Fri Aug 17 00:17:42 2018

Asterisk developer's documentation


isdn_lib.c File Reference

Interface to mISDN. More...

#include <syslog.h>
#include <sys/time.h>
#include <mISDNuser/isdn_debug.h>
#include "isdn_lib_intern.h"
#include "isdn_lib.h"
#include "asterisk/causes.h"
#include <mISDNuser/net_l2.h>
#include <mISDNuser/tone.h>
#include <unistd.h>
#include <semaphore.h>
#include <pthread.h>
#include <signal.h>

Go to the source code of this file.

Data Structures

struct  misdn_lib

Defines

#define ARRAY_LEN(a)   (sizeof(a) / sizeof(a[0]))
#define ECHOCAN_OFF   124
#define ECHOCAN_ON   123
#define ISDN_PID_L3_B_USER   0x430000ff
#define ISDN_PID_L4_B_USER   0x440000ff
#define MISDN_DEBUG   0
#define MISDN_DSP
#define MISDN_GEN_SILENCE
#define MISDN_IBUF_SIZE   512
#define RETURN(a, b)   {retval=a; goto b;}
#define TONE_ALERT_CNT   41
#define TONE_ALERT_SILENCE_CNT   200
#define TONE_BUSY_CNT   20
#define TONE_BUSY_SILENCE_CNT   48

Enumerations

enum  global_states { MISDN_INITIALIZING, MISDN_INITIALIZED }

Functions

static void bc_next_state_change (struct misdn_bchannel *bc, enum bchannel_state state)
char * bc_state2str (enum bchannel_state state)
void bc_state_change (struct misdn_bchannel *bc, enum bchannel_state state)
int bchdev_echocancel_activate (struct misdn_bchannel *dev)
void bchdev_echocancel_deactivate (struct misdn_bchannel *dev)
static char * bearer2str (int cap)
static int clean_up_bc (struct misdn_bchannel *bc)
static void clear_l3 (struct misdn_stack *stack)
static msg_t * create_l2msg (int prim, int dinfo, int size)
msg_t * create_l3msg (int prim, int mt, int dinfo, int size, int ntmode)
static int create_process (int midev, struct misdn_bchannel *bc)
static int do_tone (struct misdn_bchannel *bc, int len)
static void dump_chan_list (struct misdn_stack *stack)
void ec_chunk (struct misdn_bchannel *bc, unsigned char *rxchunk, unsigned char *txchunk, int chunk_size)
static void empty_bc (struct misdn_bchannel *bc)
static void empty_chan_in_stack (struct misdn_stack *stack, int channel)
static const char * fac2str (enum FacFunction facility)
static msg_t * fetch_msg (int midev)
static struct misdn_bchannelfind_bc_by_addr (unsigned long addr)
static struct misdn_bchannelfind_bc_by_confid (unsigned long confid)
struct misdn_bchannelfind_bc_by_l3id (struct misdn_stack *stack, unsigned long l3id)
static struct misdn_bchannelfind_bc_by_masked_l3id (struct misdn_stack *stack, unsigned long l3id, unsigned long mask)
static int find_free_chan_in_stack (struct misdn_stack *stack, struct misdn_bchannel *bc, int channel, int dec)
static struct misdn_stackfind_stack_by_addr (int addr)
static struct misdn_stackfind_stack_by_mgr (manager_t *mgr_nt)
static struct misdn_stackfind_stack_by_port (int port)
static char * flip_buf_bits (char *buf, int len)
struct misdn_stackget_misdn_stack (void)
void get_show_stack_details (int port, char *buf)
struct misdn_stackget_stack_by_bc (struct misdn_bchannel *bc)
static int handle_bchan (msg_t *msg)
static int handle_cr (struct misdn_stack *stack, iframe_t *frm)
static int handle_err (msg_t *msg)
static int handle_event_nt (void *dat, void *arg)
static int handle_event_te (struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
static int handle_frm_nt (msg_t *msg)
static int handle_frm_te (msg_t *msg)
static int handle_l1 (msg_t *msg)
static int handle_l2 (msg_t *msg)
static int handle_mgmt (msg_t *msg)
static int handle_timers (msg_t *msg)
static int init_bc (struct misdn_stack *stack, struct misdn_bchannel *bc, int midev, int port, int bidx)
static void init_flip_bits (void)
void isdn_lib_stop_dtmf (struct misdn_bchannel *bc)
void isdn_lib_update_ec (struct misdn_bchannel *bc)
void isdn_lib_update_rxgain (struct misdn_bchannel *bc)
void isdn_lib_update_txgain (struct misdn_bchannel *bc)
void manager_bchannel_activate (struct misdn_bchannel *bc)
void manager_bchannel_cleanup (struct misdn_bchannel *bc)
void manager_bchannel_deactivate (struct misdn_bchannel *bc)
void manager_bchannel_setup (struct misdn_bchannel *bc)
void manager_clean_bc (struct misdn_bchannel *bc)
void manager_ec_disable (struct misdn_bchannel *bc)
void manager_ec_enable (struct misdn_bchannel *bc)
static void manager_event_handler (void *arg)
struct misdn_bchannelmanager_find_bc_by_pid (int pid)
char * manager_isdn_get_info (enum event_e event)
int manager_isdn_handler (iframe_t *frm, msg_t *msg)
void manager_ph_control (struct misdn_bchannel *bc, int c1, int c2)
void manager_ph_control_block (struct misdn_bchannel *bc, int c1, void *c2, int c2_len)
int misdn_cap_is_speech (int cap)
void misdn_dump_chanlist (void)
int misdn_inband_avail (struct misdn_bchannel *bc)
void misdn_join_conf (struct misdn_bchannel *bc, int conf_id)
void misdn_lib_bridge (struct misdn_bchannel *bc1, struct misdn_bchannel *bc2)
void misdn_lib_destroy (void)
void misdn_lib_echo (struct misdn_bchannel *bc, int onoff)
struct misdn_bchannelmisdn_lib_find_held_bc (int port, int l3_id)
 Find a held call's B channel record.
struct misdn_bchannelmisdn_lib_get_free_bc (int port, int channel, int inout, int dec)
static int misdn_lib_get_l1_down (struct misdn_stack *stack)
static int misdn_lib_get_l1_up (struct misdn_stack *stack)
static int misdn_lib_get_l2_down (struct misdn_stack *stack)
int misdn_lib_get_l2_up (struct misdn_stack *stack)
int misdn_lib_get_maxchans (int port)
int misdn_lib_get_port_down (int port)
int misdn_lib_get_port_info (int port)
int misdn_lib_get_port_up (int port)
static int misdn_lib_get_short_status (struct misdn_stack *stack)
int misdn_lib_init (char *portlist, struct misdn_lib_iface *iface, void *user_data)
int misdn_lib_is_port_blocked (int port)
int misdn_lib_is_ptp (int port)
static void misdn_lib_isdn_event_catcher (void *arg)
void misdn_lib_isdn_l1watcher (int port)
void misdn_lib_log_ies (struct misdn_bchannel *bc)
int misdn_lib_maxports_get (void)
void misdn_lib_nt_debug_init (int flags, char *file)
void misdn_lib_nt_keepcalls (int kc)
int misdn_lib_pid_restart (int pid)
int misdn_lib_port_block (int port)
int misdn_lib_port_is_nt (int port)
int misdn_lib_port_is_pri (int port)
int misdn_lib_port_restart (int port)
int misdn_lib_port_unblock (int port)
int misdn_lib_port_up (int port, int check)
void misdn_lib_reinit_nt_stack (int port)
void misdn_lib_release (struct misdn_bchannel *bc)
int misdn_lib_send_event (struct misdn_bchannel *bc, enum event_e event)
int misdn_lib_send_restart (int port, int channel)
void misdn_lib_send_tone (struct misdn_bchannel *bc, enum tone_e tone)
void misdn_lib_split_bridge (struct misdn_bchannel *bc1, struct misdn_bchannel *bc2)
void misdn_lib_tone_generator_start (struct misdn_bchannel *bc)
void misdn_lib_tone_generator_stop (struct misdn_bchannel *bc)
int misdn_lib_tx2misdn_frm (struct misdn_bchannel *bc, void *data, int len)
void misdn_make_dummy (struct misdn_bchannel *dummybc, int port, int l3id, int nt, int channel)
static void misdn_send_lock (struct misdn_bchannel *bc)
static void misdn_send_unlock (struct misdn_bchannel *bc)
void misdn_split_conf (struct misdn_bchannel *bc, int conf_id)
void misdn_tx_jitter (struct misdn_bchannel *bc, int len)
static void prepare_bc (struct misdn_bchannel *bc, int channel)
static int release_cr (struct misdn_stack *stack, mISDNuser_head_t *hh)
static int send_msg (int midev, struct misdn_bchannel *bc, msg_t *dmsg)
static int set_chan_in_stack (struct misdn_stack *stack, int channel)
static int setup_bc (struct misdn_bchannel *bc)
static void stack_destroy (struct misdn_stack *stack)
void stack_holder_add (struct misdn_stack *stack, struct misdn_bchannel *holder)
struct misdn_bchannelstack_holder_find (struct misdn_stack *stack, unsigned long l3id)
void stack_holder_remove (struct misdn_stack *stack, struct misdn_bchannel *holder)
static struct misdn_stackstack_init (int midev, int port, int ptp)
void te_lib_destroy (int midev)
static int te_lib_init (void)
static int test_inuse (struct misdn_bchannel *bc)

Variables

enum event_response_e(* cb_event )(enum event_e event, struct misdn_bchannel *bc, void *user_data)
int(* cb_jb_empty )(struct misdn_bchannel *bc, char *buffer, int len)
void(* cb_log )(int level, int port, char *tmpl,...)
static int entity
static char flip_table [256]
static struct misdn_libglob_mgr
static enum global_states global_state = MISDN_INITIALIZING
static sem_t handler_started
struct isdn_msg msgs_g []
static int mypid = 1
static int new_te_id = 0
static int nt_err_cnt = 0
static char tone_425_flip [TONE_425_SIZE]
static char tone_silence_flip [TONE_SILENCE_SIZE]

Detailed Description

Interface to mISDN.

Author:
Christian Richter <crich@beronet.com>

Definition in file isdn_lib.c.


Define Documentation

#define ARRAY_LEN (  )     (sizeof(a) / sizeof(a[0]))

Definition at line 42 of file isdn_lib.c.

Referenced by __analog_ss_thread(), __ast_channel_alloc_ap(), __ast_cli_generator(), __ast_dummy_channel_alloc(), __ast_mm_init_phase_2(), __ast_register_translator(), __init_manager(), __unload_module(), _sip_show_peer(), action_events(), add_exten_to_pattern_tree(), add_publish_event(), add_required_respheader(), add_subscribe_event(), adpcm_sample(), ais_clm_show_members(), ais_err2str(), alarm2str(), alaw_sample(), analog_cidtype_to_str(), analog_sigtype_to_str(), analog_ss_thread(), analog_str_to_cidtype(), analog_str_to_sigtype(), aoc_s_add_entry(), aoc_shutdown(), ast_ais_clm_load_module(), ast_ais_clm_unload_module(), ast_ais_evt_load_module(), ast_aoc_add_unit_entry(), ast_aoc_cli_init(), ast_best_codec(), ast_builtins_init(), ast_cause2str(), ast_cc_init(), ast_cel_get_ama_flag_name(), ast_cel_str_to_event_type(), ast_channels_init(), ast_cli_netstats(), ast_codec2str(), ast_codec_choose(), ast_codec_pref_append(), ast_codec_pref_getsize(), ast_codec_pref_prepend(), ast_codec_pref_remove(), ast_codec_pref_setsize(), ast_compile_ael2(), ast_connected_line_source_describe(), ast_connected_line_source_name(), ast_connected_line_source_parse(), ast_data_init(), ast_describe_caller_presentation(), ast_dsp_prog_reset(), ast_dsp_set_call_progress_zone(), ast_event_check_subscriber(), ast_event_cmp(), ast_event_get_ie_pltype(), ast_event_get_ie_type_name(), ast_event_get_type_name(), ast_event_init(), ast_event_str_to_event_type(), ast_event_str_to_ie_type(), ast_expand_codec_alias(), ast_extension_state2str(), ast_features_init(), ast_file_init(), ast_get_format_list(), ast_get_http_method(), ast_getformatbyname(), ast_getformatname(), ast_getformatname_multiple(), ast_hook_send_action(), ast_http_ftype2mtype(), ast_http_init(), ast_image_init(), ast_indications_init(), ast_logger_register_level(), ast_logger_unregister_level(), ast_named_caller_presentation(), ast_parse_caller_presentation(), ast_party_name_charset_describe(), ast_party_name_charset_parse(), ast_party_name_charset_str(), ast_redirecting_reason_describe(), ast_redirecting_reason_name(), ast_redirecting_reason_parse(), ast_rtp_codecs_payloads_set_rtpmap_type_rate(), ast_rtp_lookup_mime_subtype2(), ast_rtp_lookup_sample_rate2(), ast_security_event_severity_get_name(), ast_set_default_eid(), ast_str2cause(), ast_str2tos(), ast_str_retrieve_variable(), ast_syslog_facility(), ast_syslog_facility_name(), ast_syslog_priority(), ast_syslog_priority_from_loglevel(), ast_syslog_priority_name(), AST_TEST_DEFINE(), ast_test_init(), ast_timing_init(), ast_to_misdn_reason(), ast_tos2str(), ast_tps_init(), ast_udptl_init(), ast_utils_init(), ast_xmldoc_printable(), astdb_init(), astdb_shutdown(), astobj2_cleanup(), astobj2_init(), auth_http_callback(), authority_to_str(), autopause2int(), bearer2str(), cache_get_callno_locked(), callerid_read(), callerid_write(), cb_events(), cc_shutdown(), channels_shutdown(), check_blacklist(), clear_l3(), cli_shutdown(), close_logger(), common_exec(), complete_dpreply(), complete_ulimit(), conf_exec(), config_shutdown(), connectedline_read(), connectedline_write(), convert_attribute_name_from_ldap(), convert_attribute_name_to_ldap(), crypto_init(), data_result_get_color(), data_shutdown(), destroy_escs(), determine_starting_point(), devstate_cache_cb(), dispatch_thread_handler(), do_message(), dump_cause(), dump_chan_list(), dump_ies(), dundi_eid_zero(), dundi_ie2str(), dundi_query_read(), empty_chan_in_stack(), event2str(), event_dump_cache(), event_shutdown(), ext_cmp_pattern(), fac2str(), features_shutdown(), file_shutdown(), fill_rxgain(), fill_txgain(), find_alias(), find_bc_by_l3id(), find_bc_by_masked_l3id(), find_cache(), find_free_chan_in_stack(), find_sip_method(), find_subscription_type(), frame_trace_helper(), framer_shutdown(), freed_regions_flush(), g722_sample(), g726_sample(), generic_http_callback(), get_esc(), get_folder_by_name(), get_perm(), geteventbyname(), getjustifybyname(), handle_cli_iax2_show_cache(), handle_cli_iax2_show_channels(), handle_cli_iax2_show_stats(), handle_cli_misdn_send_facility(), handle_cli_ulimit(), handle_event(), handle_input(), handle_jack_audio(), handle_logger_set_level(), handle_logger_show_channels(), handle_memory_show_allocations(), handle_memory_show_summary(), handle_request_bye(), handle_request_invite(), hook_event_cb(), http_shutdown(), iax_ie2str(), iax_provflags2str(), iax_showframe(), iax_str2flags(), image_shutdown(), indications_shutdown(), init_framer(), init_logger(), initialize_escs(), int2strat(), jack_status_to_str(), jb_choose_impl(), load_module(), load_pbx(), main(), main_atexit(), make_components(), manager_shutdown(), mbox(), milliwatt_generate(), minivm_accmess_exec(), minivm_greet_exec(), minivm_mwi_exec(), minivm_notify_exec(), minivm_record_exec(), misdn_get_ch_state(), misdn_lib_init(), mkintf(), mm_atexit_ast(), mm_atexit_hash_list(), mm_atexit_list_sort(), mute_fragment(), parkandannounce_exec(), parse_naptr(), parse_sip_options(), peers_data_provider_get(), process_config(), process_echocancel(), process_opcode(), process_returncode(), pthread_timer_open(), queue_voice_frame(), redirecting_read(), redirecting_write(), region_free(), regions_check_all_fences(), register_config_cli(), resample_frame(), rotate_file(), set_chan_in_stack(), set_queue_result(), sip_reason_code_to_str(), sip_reason_str_to_code(), sip_show_channel(), slin16_sample(), slin8_sample(), str2desc(), str2limit(), strat2int(), strings_to_mask(), subscription_type2str(), timing_shutdown(), tps_shutdown(), type_to_filter_str(), udptl_rx_packet(), udptl_shutdown(), ulaw_sample(), unload_module(), unload_pbx(), update_modem_bits(), user_authority_to_str(), wait_for_winner(), xmldoc_get_syntax_type(), xmldoc_has_specialtags(), and xmldoc_parse_specialtags().

#define ECHOCAN_OFF   124

Definition at line 230 of file isdn_lib.c.

Referenced by manager_ec_disable().

#define ECHOCAN_ON   123

Definition at line 229 of file isdn_lib.c.

Referenced by manager_ec_enable().

#define ISDN_PID_L3_B_USER   0x430000ff

Definition at line 246 of file isdn_lib.c.

Referenced by setup_bc().

#define ISDN_PID_L4_B_USER   0x440000ff

Definition at line 247 of file isdn_lib.c.

Referenced by setup_bc().

#define MISDN_DEBUG   0

Definition at line 233 of file isdn_lib.c.

#define MISDN_DSP
#define MISDN_GEN_SILENCE
#define MISDN_IBUF_SIZE   512

Definition at line 250 of file isdn_lib.c.

Referenced by init_bc().

#define RETURN ( a,
 )     {retval=a; goto b;}

Definition at line 3507 of file isdn_lib.c.

Referenced by misdn_lib_send_event().

#define TONE_ALERT_CNT   41

Definition at line 253 of file isdn_lib.c.

#define TONE_ALERT_SILENCE_CNT   200

Definition at line 254 of file isdn_lib.c.

#define TONE_BUSY_CNT   20

Definition at line 256 of file isdn_lib.c.

#define TONE_BUSY_SILENCE_CNT   48

Definition at line 257 of file isdn_lib.c.


Enumeration Type Documentation

Enumerator:
MISDN_INITIALIZING 
MISDN_INITIALIZED 

Definition at line 194 of file isdn_lib.c.

00194                    {
00195    MISDN_INITIALIZING,
00196    MISDN_INITIALIZED
00197 } ;


Function Documentation

static void bc_next_state_change ( struct misdn_bchannel bc,
enum bchannel_state  state 
) [static]

Definition at line 659 of file isdn_lib.c.

References bc_state2str(), cb_log, misdn_bchannel::next_bc_state, and misdn_bchannel::port.

Referenced by misdn_lib_bridge().

00660 {
00661    cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00662           bc_state2str(bc->next_bc_state),
00663           bc_state2str(state) );
00664 
00665    bc->next_bc_state=state;
00666 }

char* bc_state2str ( enum bchannel_state  state  ) 

Definition at line 617 of file isdn_lib.c.

References BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_CLEANED, BCHAN_EMPTY, BCHAN_ERROR, and BCHAN_RELEASE.

Referenced by bc_next_state_change(), bc_state_change(), cb_events(), misdn_lib_send_event(), misdn_lib_split_bridge(), misdn_lib_tx2misdn_frm(), print_bc_info(), and setup_bc().

00617                                               {
00618    int i;
00619 
00620    struct bchan_state_s {
00621       char *n;
00622       enum bchannel_state s;
00623    } states[] = {
00624       {"BCHAN_CLEANED", BCHAN_CLEANED },
00625       {"BCHAN_EMPTY", BCHAN_EMPTY},
00626       {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00627       {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00628       {"BCHAN_RELEASE", BCHAN_RELEASE},
00629       {"BCHAN_ERROR", BCHAN_ERROR}
00630    };
00631 
00632    for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00633       if ( states[i].s == state)
00634          return states[i].n;
00635 
00636    return "UNKNOWN";
00637 }

void bc_state_change ( struct misdn_bchannel bc,
enum bchannel_state  state 
)

Definition at line 639 of file isdn_lib.c.

References misdn_bchannel::bc_state, bc_state2str(), BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_EMPTY, cb_log, misdn_bchannel::conf_id, misdn_bchannel::l3_id, misdn_join_conf(), misdn_bchannel::next_bc_state, and misdn_bchannel::port.

Referenced by clean_up_bc(), init_bc(), manager_bchannel_deactivate(), misdn_join_conf(), misdn_lib_send_event(), misdn_split_conf(), and setup_bc().

00640 {
00641    cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00642       bc->l3_id,
00643           bc_state2str(bc->bc_state),
00644           bc_state2str(state) );
00645 
00646    switch (state) {
00647       case BCHAN_ACTIVATED:
00648          if (bc->next_bc_state ==  BCHAN_BRIDGED) {
00649             misdn_join_conf(bc, bc->conf_id);
00650             bc->next_bc_state = BCHAN_EMPTY;
00651             return;
00652          }
00653       default:
00654          bc->bc_state=state;
00655          break;
00656    }
00657 }

int bchdev_echocancel_activate ( struct misdn_bchannel dev  ) 
void bchdev_echocancel_deactivate ( struct misdn_bchannel dev  ) 
static char* bearer2str ( int  cap  )  [static]

Definition at line 290 of file isdn_lib.c.

References INFO_CAPABILITY_AUDIO_3_1K, INFO_CAPABILITY_DIGITAL_RESTRICTED, INFO_CAPABILITY_DIGITAL_UNRESTRICTED, and INFO_CAPABILITY_SPEECH.

Referenced by misdn_lib_log_ies().

00290                                  {
00291    static char *bearers[]={
00292       "Speech",
00293       "Audio 3.1k",
00294       "Unres Digital",
00295       "Res Digital",
00296       "Unknown Bearer"
00297    };
00298 
00299    switch (cap) {
00300    case INFO_CAPABILITY_SPEECH:
00301       return bearers[0];
00302       break;
00303    case INFO_CAPABILITY_AUDIO_3_1K:
00304       return bearers[1];
00305       break;
00306    case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00307       return bearers[2];
00308       break;
00309    case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00310       return bearers[3];
00311       break;
00312    default:
00313       return bearers[4];
00314       break;
00315    }
00316 }

static int clean_up_bc ( struct misdn_bchannel bc  )  [static]

Definition at line 815 of file isdn_lib.c.

References misdn_bchannel::b_stid, misdn_bchannel::bc_state, bc_state_change(), BCHAN_CLEANED, buff, cb_log, get_stack_by_bc(), misdn_bchannel::layer_id, manager_bchannel_deactivate(), manager_ec_disable(), misdn_stack::midev, misdn_bchannel::pid, misdn_stack::port, and misdn_bchannel::port.

Referenced by clear_l3(), handle_cr(), handle_event_nt(), handle_frm_te(), misdn_lib_release(), misdn_lib_send_event(), and misdn_lib_send_restart().

00816 {
00817    int ret=0;
00818    unsigned char buff[32];
00819    struct misdn_stack * stack;
00820 
00821    cb_log(3, bc->port, "$$$ CLEANUP CALLED pid:%d\n", bc->pid);
00822 
00823    stack=get_stack_by_bc(bc);
00824 
00825    if (!stack) return -1;
00826 
00827    switch (bc->bc_state ) {
00828    case BCHAN_CLEANED:
00829       cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00830       return -1;
00831 
00832    default:
00833       break;
00834    }
00835 
00836    cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00837 
00838    manager_ec_disable(bc);
00839 
00840    manager_bchannel_deactivate(bc);
00841 
00842    mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00843 
00844    bc->b_stid = 0;
00845    bc_state_change(bc, BCHAN_CLEANED);
00846 
00847    return ret;
00848 }

static void clear_l3 ( struct misdn_stack stack  )  [static]

Definition at line 852 of file isdn_lib.c.

References ARRAY_LEN, misdn_stack::b_num, misdn_stack::bc, cb_event, clean_up_bc(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, misdn_bchannel::in_use, MAX_BCHANS, and MISDN_INITIALIZED.

Referenced by handle_mgmt(), and misdn_lib_port_restart().

00853 {
00854    int i;
00855 
00856    if (global_state == MISDN_INITIALIZED) {
00857       for (i = 0; i <= stack->b_num; ++i) {
00858          cb_event(EVENT_CLEANUP, &stack->bc[i], NULL);
00859          empty_bc(&stack->bc[i]);
00860          clean_up_bc(&stack->bc[i]);
00861          empty_chan_in_stack(stack, i + 1);
00862          stack->bc[i].in_use = 0;
00863       }
00864 #if defined(AST_MISDN_ENHANCEMENTS)
00865       for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
00866          empty_bc(&stack->bc[i]);
00867          empty_chan_in_stack(stack, i + 1);
00868          stack->bc[i].in_use = 0;
00869       }
00870 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00871    }
00872 }

static msg_t* create_l2msg ( int  prim,
int  dinfo,
int  size 
) [static]

Definition at line 349 of file isdn_lib.c.

Referenced by misdn_lib_get_l2_down(), and misdn_lib_get_l2_up().

00350 {
00351    int i = 0;
00352    msg_t *dmsg;
00353 
00354    while(i < 10)
00355    {
00356       dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00357       if (dmsg)
00358          return(dmsg);
00359 
00360       if (!i)
00361          printf("cannot allocate memory, trying again...\n");
00362       i++;
00363       usleep(300000);
00364    }
00365    printf("cannot allocate memory, system overloaded.\n");
00366    exit(-1);
00367 }

msg_t* create_l3msg ( int  prim,
int  mt,
int  dinfo,
int  size,
int  ntmode 
)

Definition at line 371 of file isdn_lib.c.

Referenced by build_alerting(), build_connect(), build_connect_acknowledge(), build_disconnect(), build_facility(), build_hold(), build_hold_acknowledge(), build_hold_reject(), build_information(), build_notify(), build_proceeding(), build_progress(), build_release(), build_release_complete(), build_restart(), build_resume(), build_resume_acknowledge(), build_resume_reject(), build_retrieve(), build_retrieve_acknowledge(), build_retrieve_reject(), build_setup(), build_setup_acknowledge(), build_status(), build_status_enquiry(), build_suspend(), build_suspend_acknowledge(), build_suspend_reject(), build_timeout(), build_user_information(), and handle_event_nt().

00372 {
00373    int i = 0;
00374    msg_t *dmsg;
00375    Q931_info_t *qi;
00376    iframe_t *frm;
00377 
00378    if (!ntmode)
00379       size = sizeof(Q931_info_t)+2;
00380 
00381    while(i < 10) {
00382       if (ntmode) {
00383          dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00384          if (dmsg) {
00385             return(dmsg);
00386          }
00387       } else {
00388          dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00389          if (dmsg)
00390          {
00391             memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00392             frm = (iframe_t *)dmsg->data;
00393             frm->prim = prim;
00394             frm->dinfo = dinfo;
00395             qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00396             qi->type = mt;
00397             return(dmsg);
00398          }
00399       }
00400 
00401       if (!i) printf("cannot allocate memory, trying again...\n");
00402       i++;
00403       usleep(300000);
00404    }
00405    printf("cannot allocate memory, system overloaded.\n");
00406    exit(-1);
00407 }

static int create_process ( int  midev,
struct misdn_bchannel bc 
) [static]

Definition at line 976 of file isdn_lib.c.

References cb_log, misdn_bchannel::channel, misdn_bchannel::channel_preselected, misdn_bchannel::dec, find_free_chan_in_stack(), get_stack_by_bc(), misdn_bchannel::l3_id, MAXPROCS, misdn_stack::nt, misdn_stack::port, misdn_stack::pri, misdn_stack::procids, misdn_stack::ptp, misdn_bchannel::te_choose_channel, and misdn_stack::upper_id.

Referenced by misdn_lib_send_event().

00977 {
00978    iframe_t ncr;
00979    int l3_id;
00980    int proc_id;
00981    struct misdn_stack *stack;
00982 
00983    stack = get_stack_by_bc(bc);
00984    if (stack->nt) {
00985       if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0) < 0) {
00986          return -1;
00987       }
00988       cb_log(4, stack->port, " -->  found channel: %d\n", bc->channel);
00989 
00990       for (proc_id = 0; proc_id < MAXPROCS; ++proc_id) {
00991          if (stack->procids[proc_id] == 0) {
00992             break;
00993          }
00994       }
00995       if (proc_id == MAXPROCS) {
00996          cb_log(0, stack->port, "Couldn't Create New ProcId.\n");
00997          return -1;
00998       }
00999 
01000       stack->procids[proc_id] = 1;
01001 
01002       l3_id = 0xff00 | proc_id;
01003       bc->l3_id = l3_id;
01004       cb_log(3, stack->port, " --> new_l3id %x\n", l3_id);
01005    } else {
01006       if ((stack->pri && stack->ptp) || bc->te_choose_channel) {
01007          /* we know exactly which channels are in use */
01008          if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, bc->dec) < 0) {
01009             return -1;
01010          }
01011          cb_log(2, stack->port, " -->  found channel: %d\n", bc->channel);
01012       } else {
01013          /* other phones could have made a call also on this port (ptmp) */
01014          bc->channel = 0xff;
01015       }
01016 
01017       /* if we are in te-mode, we need to create a process first */
01018       if (++new_te_id > 0xffff) {
01019          new_te_id = 0x0001;
01020       }
01021 
01022       l3_id = (entity << 16) | new_te_id;
01023       bc->l3_id = l3_id;
01024       cb_log(3, stack->port, "--> new_l3id %x\n", l3_id);
01025 
01026       /* send message */
01027       ncr.prim = CC_NEW_CR | REQUEST;
01028       ncr.addr = (stack->upper_id | FLG_MSG_DOWN);
01029       ncr.dinfo = l3_id;
01030       ncr.len = 0;
01031       mISDN_write(midev, &ncr, mISDN_HEADER_LEN + ncr.len, TIMEOUT_1SEC);
01032    }
01033 
01034    return l3_id;
01035 }

static int do_tone ( struct misdn_bchannel bc,
int  len 
) [static]

Definition at line 2282 of file isdn_lib.c.

References cb_event, EVENT_TONE_GENERATE, misdn_bchannel::generate_tone, misdn_tx_jitter(), misdn_bchannel::nojitter, misdn_bchannel::tone_cnt, and misdn_lib::user_data.

Referenced by handle_bchan().

02283 {
02284    bc->tone_cnt=len;
02285 
02286    if (bc->generate_tone) {
02287       cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02288 
02289       if ( !bc->nojitter ) {
02290          misdn_tx_jitter(bc,len);
02291       }
02292 
02293       return 1;
02294    }
02295 
02296    return 0;
02297 }

static void dump_chan_list ( struct misdn_stack stack  )  [static]

Definition at line 464 of file isdn_lib.c.

References ARRAY_LEN, misdn_stack::b_num, misdn_stack::bc, cb_log, misdn_stack::channels, misdn_bchannel::in_use, MAX_BCHANS, and misdn_stack::port.

Referenced by empty_chan_in_stack(), find_free_chan_in_stack(), handle_cr(), misdn_dump_chanlist(), and set_chan_in_stack().

00465 {
00466    int i;
00467 
00468    for (i = 0; i <= stack->b_num; ++i) {
00469       cb_log(6, stack->port, "Idx:%d stack->cchan:%d in_use:%d Chan:%d\n",
00470          i, stack->channels[i], stack->bc[i].in_use, i + 1);
00471    }
00472 #if defined(AST_MISDN_ENHANCEMENTS)
00473    for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
00474       if (stack->bc[i].in_use) {
00475          cb_log(6, stack->port, "Idx:%d stack->cchan:%d REGISTER Chan:%d in_use\n",
00476             i, stack->channels[i], i + 1);
00477       }
00478    }
00479 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00480 }

void ec_chunk ( struct misdn_bchannel bc,
unsigned char *  rxchunk,
unsigned char *  txchunk,
int  chunk_size 
)
static void empty_bc ( struct misdn_bchannel bc  )  [static]

Set Default Bearer Caps

Definition at line 679 of file isdn_lib.c.

References misdn_bchannel::active, misdn_bchannel::AOCD_need_export, AST_CAUSE_NORMAL_CLEARING, misdn_bchannel::bframe_len, misdn_bchannel::caller, misdn_bchannel::capability, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::channel_found, misdn_bchannel::conf_id, misdn_bchannel::connected, misdn_party_redirecting::count, misdn_bchannel::crypt, misdn_bchannel::crypt_key, misdn_bchannel::curprx, misdn_bchannel::curptx, misdn_bchannel::cw, misdn_bchannel::dec, misdn_bchannel::dialed, misdn_bchannel::display, misdn_bchannel::display_connected, misdn_bchannel::display_setup, misdn_bchannel::dummy, misdn_bchannel::early_bconnect, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, misdn_bchannel::fac_in, misdn_bchannel::fac_out, misdn_party_redirecting::from, misdn_bchannel::generate_tone, misdn_bchannel::hdlc, INFO_CAPABILITY_SPEECH, INFO_CODEC_ALAW, misdn_bchannel::info_dad, misdn_bchannel::infos_pending, misdn_bchannel::last_used, misdn_bchannel::law, mISDN_NOTIFY_CODE_INVALID, mISDN_REDIRECTING_REASON_UNKNOWN, misdn_bchannel::mode, misdn_party_id::name, misdn_bchannel::need_more_infos, misdn_bchannel::nodsp, misdn_bchannel::nojitter, misdn_bchannel::notify_description_code, misdn_party_dialing::number, misdn_party_id::number, misdn_party_dialing::number_plan, misdn_party_id::number_plan, misdn_party_dialing::number_type, misdn_party_id::number_type, NUMPLAN_ISDN, NUMTYPE_UNKNOWN, misdn_bchannel::orig, misdn_bchannel::out_cause, misdn_bchannel::outgoing_colp, misdn_bchannel::presentation, misdn_party_id::presentation, misdn_bchannel::progress_coding, misdn_bchannel::progress_indicator, misdn_bchannel::progress_location, misdn_bchannel::rate, misdn_party_redirecting::reason, misdn_bchannel::redirecting, misdn_bchannel::restart_channel, misdn_bchannel::rxgain, misdn_bchannel::send_dtmf, misdn_bchannel::sending_complete, misdn_bchannel::set_presentation, misdn_party_dialing::subaddress, misdn_party_id::subaddress, misdn_bchannel::te_choose_channel, misdn_bchannel::time_usec, misdn_party_redirecting::to, misdn_party_redirecting::to_changed, misdn_bchannel::tone_cnt, misdn_bchannel::txgain, misdn_bchannel::urate, misdn_bchannel::user1, misdn_bchannel::uu, and misdn_bchannel::uulen.

Referenced by clear_l3(), handle_cr(), handle_event_nt(), handle_frm_te(), init_bc(), manager_clean_bc(), misdn_lib_release(), misdn_lib_send_event(), and misdn_lib_send_restart().

00680 {
00681    bc->caller.presentation = 0;  /* allowed */
00682    bc->caller.number_plan = NUMPLAN_ISDN;
00683    bc->caller.number_type = NUMTYPE_UNKNOWN;
00684    bc->caller.name[0] = 0;
00685    bc->caller.number[0] = 0;
00686    bc->caller.subaddress[0] = 0;
00687 
00688    bc->connected.presentation = 0;  /* allowed */
00689    bc->connected.number_plan = NUMPLAN_ISDN;
00690    bc->connected.number_type = NUMTYPE_UNKNOWN;
00691    bc->connected.name[0] = 0;
00692    bc->connected.number[0] = 0;
00693    bc->connected.subaddress[0] = 0;
00694 
00695    bc->redirecting.from.presentation = 0; /* allowed */
00696    bc->redirecting.from.number_plan = NUMPLAN_ISDN;
00697    bc->redirecting.from.number_type = NUMTYPE_UNKNOWN;
00698    bc->redirecting.from.name[0] = 0;
00699    bc->redirecting.from.number[0] = 0;
00700    bc->redirecting.from.subaddress[0] = 0;
00701 
00702    bc->redirecting.to.presentation = 0;   /* allowed */
00703    bc->redirecting.to.number_plan = NUMPLAN_ISDN;
00704    bc->redirecting.to.number_type = NUMTYPE_UNKNOWN;
00705    bc->redirecting.to.name[0] = 0;
00706    bc->redirecting.to.number[0] = 0;
00707    bc->redirecting.to.subaddress[0] = 0;
00708 
00709    bc->redirecting.reason = mISDN_REDIRECTING_REASON_UNKNOWN;
00710    bc->redirecting.count = 0;
00711    bc->redirecting.to_changed = 0;
00712 
00713    bc->dummy=0;
00714 
00715    bc->bframe_len=0;
00716 
00717    bc->cw= 0;
00718 
00719    bc->dec=0;
00720    bc->channel = 0;
00721 
00722    bc->sending_complete = 0;
00723 
00724    bc->restart_channel=0;
00725 
00726    bc->conf_id = 0;
00727 
00728    bc->need_more_infos = 0;
00729 
00730    bc->send_dtmf=0;
00731    bc->nodsp=0;
00732    bc->nojitter=0;
00733 
00734    bc->time_usec=0;
00735 
00736    bc->rxgain=0;
00737    bc->txgain=0;
00738 
00739    bc->crypt=0;
00740    bc->curptx=0; bc->curprx=0;
00741 
00742    bc->crypt_key[0] = 0;
00743 
00744    bc->generate_tone=0;
00745    bc->tone_cnt=0;
00746 
00747    bc->active = 0;
00748 
00749    bc->early_bconnect = 1;
00750 
00751 #ifdef MISDN_1_2
00752    *bc->pipeline = 0;
00753 #else
00754    bc->ec_enable = 0;
00755    bc->ec_deftaps = 128;
00756 #endif
00757 
00758    bc->AOCD_need_export = 0;
00759 
00760    bc->orig=0;
00761 
00762    bc->cause = AST_CAUSE_NORMAL_CLEARING;
00763    bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
00764 
00765    bc->display_connected = 0; /* none */
00766    bc->display_setup = 0;  /* none */
00767 
00768    bc->outgoing_colp = 0;/* pass */
00769 
00770    bc->presentation = 0;   /* allowed */
00771    bc->set_presentation = 0;
00772 
00773    bc->notify_description_code = mISDN_NOTIFY_CODE_INVALID;
00774 
00775    bc->progress_coding=0;
00776    bc->progress_location=0;
00777    bc->progress_indicator=0;
00778 
00779 #if defined(AST_MISDN_ENHANCEMENTS)
00780    bc->div_leg_3_rx_wanted = 0;
00781    bc->div_leg_3_tx_pending = 0;
00782 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00783 
00784 /** Set Default Bearer Caps **/
00785    bc->capability=INFO_CAPABILITY_SPEECH;
00786    bc->law=INFO_CODEC_ALAW;
00787    bc->mode=0;
00788    bc->rate=0x10;
00789    bc->user1=0;
00790    bc->urate=0;
00791 
00792    bc->hdlc=0;
00793 
00794    bc->dialed.number_plan = NUMPLAN_ISDN;
00795    bc->dialed.number_type = NUMTYPE_UNKNOWN;
00796    bc->dialed.number[0] = 0;
00797    bc->dialed.subaddress[0] = 0;
00798 
00799    bc->info_dad[0] = 0;
00800    bc->display[0] = 0;
00801    bc->infos_pending[0] = 0;
00802    bc->uu[0]=0;
00803    bc->uulen=0;
00804 
00805    bc->fac_in.Function = Fac_None;
00806    bc->fac_out.Function = Fac_None;
00807 
00808    bc->te_choose_channel = 0;
00809    bc->channel_found= 0;
00810 
00811    gettimeofday(&bc->last_used, NULL);
00812 }

static void empty_chan_in_stack ( struct misdn_stack stack,
int  channel 
) [static]

Definition at line 605 of file isdn_lib.c.

References ARRAY_LEN, cb_log, misdn_stack::channels, dump_chan_list(), and misdn_stack::port.

Referenced by clear_l3(), handle_cr(), handle_event_nt(), handle_frm_te(), manager_clean_bc(), misdn_lib_release(), and misdn_lib_send_event().

00606 {
00607    if (channel < 1 || ARRAY_LEN(stack->channels) < channel) {
00608       cb_log(0, stack->port, "empty_chan_in_stack: cannot empty channel %d\n", channel);
00609       return;
00610    }
00611 
00612    cb_log(4, stack->port, "empty_chan_in_stack: %d\n", channel);
00613    stack->channels[channel - 1] = 0;
00614    dump_chan_list(stack);
00615 }

static const char* fac2str ( enum FacFunction  facility  )  [static]

Definition at line 3338 of file isdn_lib.c.

References ARRAY_LEN, and name.

Referenced by misdn_lib_log_ies().

03339 {
03340    static const struct {
03341       enum FacFunction facility;
03342       char *name;
03343    } arr[] = {
03344 /* *INDENT-OFF* */
03345       { Fac_None, "Fac_None" },
03346 #if defined(AST_MISDN_ENHANCEMENTS)
03347       { Fac_ERROR, "Fac_ERROR" },
03348       { Fac_RESULT, "Fac_RESULT" },
03349       { Fac_REJECT, "Fac_REJECT" },
03350 
03351       { Fac_ActivationDiversion, "Fac_ActivationDiversion" },
03352       { Fac_DeactivationDiversion, "Fac_DeactivationDiversion" },
03353       { Fac_ActivationStatusNotificationDiv, "Fac_ActivationStatusNotificationDiv" },
03354       { Fac_DeactivationStatusNotificationDiv, "Fac_DeactivationStatusNotificationDiv" },
03355       { Fac_InterrogationDiversion, "Fac_InterrogationDiversion" },
03356       { Fac_DiversionInformation, "Fac_DiversionInformation" },
03357       { Fac_CallDeflection, "Fac_CallDeflection" },
03358       { Fac_CallRerouteing, "Fac_CallRerouteing" },
03359       { Fac_DivertingLegInformation2, "Fac_DivertingLegInformation2" },
03360       { Fac_InterrogateServedUserNumbers, "Fac_InterrogateServedUserNumbers" },
03361       { Fac_DivertingLegInformation1, "Fac_DivertingLegInformation1" },
03362       { Fac_DivertingLegInformation3, "Fac_DivertingLegInformation3" },
03363 
03364       { Fac_EctExecute, "Fac_EctExecute" },
03365       { Fac_ExplicitEctExecute, "Fac_ExplicitEctExecute" },
03366       { Fac_RequestSubaddress, "Fac_RequestSubaddress" },
03367       { Fac_SubaddressTransfer, "Fac_SubaddressTransfer" },
03368       { Fac_EctLinkIdRequest, "Fac_EctLinkIdRequest" },
03369       { Fac_EctInform, "Fac_EctInform" },
03370       { Fac_EctLoopTest, "Fac_EctLoopTest" },
03371 
03372       { Fac_ChargingRequest, "Fac_ChargingRequest" },
03373       { Fac_AOCSCurrency, "Fac_AOCSCurrency" },
03374       { Fac_AOCSSpecialArr, "Fac_AOCSSpecialArr" },
03375       { Fac_AOCDCurrency, "Fac_AOCDCurrency" },
03376       { Fac_AOCDChargingUnit, "Fac_AOCDChargingUnit" },
03377       { Fac_AOCECurrency, "Fac_AOCECurrency" },
03378       { Fac_AOCEChargingUnit, "Fac_AOCEChargingUnit" },
03379 
03380       { Fac_StatusRequest, "Fac_StatusRequest" },
03381 
03382       { Fac_CallInfoRetain, "Fac_CallInfoRetain" },
03383       { Fac_EraseCallLinkageID, "Fac_EraseCallLinkageID" },
03384       { Fac_CCBSDeactivate, "Fac_CCBSDeactivate" },
03385       { Fac_CCBSErase, "Fac_CCBSErase" },
03386       { Fac_CCBSRemoteUserFree, "Fac_CCBSRemoteUserFree" },
03387       { Fac_CCBSCall, "Fac_CCBSCall" },
03388       { Fac_CCBSStatusRequest, "Fac_CCBSStatusRequest" },
03389       { Fac_CCBSBFree, "Fac_CCBSBFree" },
03390       { Fac_CCBSStopAlerting, "Fac_CCBSStopAlerting" },
03391 
03392       { Fac_CCBSRequest, "Fac_CCBSRequest" },
03393       { Fac_CCBSInterrogate, "Fac_CCBSInterrogate" },
03394 
03395       { Fac_CCNRRequest, "Fac_CCNRRequest" },
03396       { Fac_CCNRInterrogate, "Fac_CCNRInterrogate" },
03397 
03398       { Fac_CCBS_T_Call, "Fac_CCBS_T_Call" },
03399       { Fac_CCBS_T_Suspend, "Fac_CCBS_T_Suspend" },
03400       { Fac_CCBS_T_Resume, "Fac_CCBS_T_Resume" },
03401       { Fac_CCBS_T_RemoteUserFree, "Fac_CCBS_T_RemoteUserFree" },
03402       { Fac_CCBS_T_Available, "Fac_CCBS_T_Available" },
03403 
03404       { Fac_CCBS_T_Request, "Fac_CCBS_T_Request" },
03405 
03406       { Fac_CCNR_T_Request, "Fac_CCNR_T_Request" },
03407 
03408 #else
03409 
03410       { Fac_CFActivate, "Fac_CFActivate" },
03411       { Fac_CFDeactivate, "Fac_CFDeactivate" },
03412       { Fac_CD, "Fac_CD" },
03413 
03414       { Fac_AOCDCurrency, "Fac_AOCDCurrency" },
03415       { Fac_AOCDChargingUnit, "Fac_AOCDChargingUnit" },
03416 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
03417 /* *INDENT-ON* */
03418    };
03419 
03420    unsigned index;
03421 
03422    for (index = 0; index < ARRAY_LEN(arr); ++index) {
03423       if (arr[index].facility == facility) {
03424          return arr[index].name;
03425       }
03426    }
03427 
03428    return "unknown";
03429 }

static msg_t* fetch_msg ( int  midev  )  [static]

Definition at line 3011 of file isdn_lib.c.

References cb_log, and errno.

Referenced by misdn_lib_isdn_event_catcher().

03012 {
03013    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03014    int r;
03015 
03016    if (!msg) {
03017       cb_log(0, 0, "fetch_msg: alloc msg failed !!");
03018       return NULL;
03019    }
03020 
03021    AGAIN:
03022       r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
03023       msg->len=r;
03024 
03025       if (r==0) {
03026          free_msg(msg); /* danger, cause usually freeing in main_loop */
03027          cb_log(6,0,"Got empty Msg..\n");
03028          return NULL;
03029       }
03030 
03031       if (r<0) {
03032          if (errno == EAGAIN) {
03033             /*we wait for mISDN here*/
03034             cb_log(4,0,"mISDN_read wants us to wait\n");
03035             usleep(5000);
03036             goto AGAIN;
03037          }
03038 
03039          cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno);
03040       }
03041 
03042 #if 0
03043                if  (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
03044                        cb_log(0,0,"prim: %x dinfo:%x addr:%x msglen:%d frm->len:%d\n",frm->prim, frm->dinfo, frm->addr, msg->len,frm->len );
03045 #endif
03046       return msg;
03047 }

static struct misdn_bchannel* find_bc_by_addr ( unsigned long  addr  )  [static, read]

Definition at line 1556 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::in_use, misdn_bchannel::layer_id, misdn_stack::next, and misdn_lib::stack_list.

Referenced by handle_bchan().

01557 {
01558    struct misdn_stack *stack;
01559    int i;
01560 
01561    for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01562       for (i = 0; i <= stack->b_num; i++) {
01563          if (stack->bc[i].in_use
01564             && ((stack->bc[i].addr & STACK_ID_MASK) == (addr & STACK_ID_MASK)
01565                || stack->bc[i].layer_id == addr)) {
01566             return &stack->bc[i];
01567          }
01568       }
01569    }
01570 
01571    return NULL;
01572 }

static struct misdn_bchannel* find_bc_by_confid ( unsigned long  confid  )  [static, read]

Definition at line 1574 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::conf_id, misdn_bchannel::in_use, misdn_stack::next, and misdn_lib::stack_list.

Referenced by misdn_lib_send_event().

01575 {
01576    struct misdn_stack *stack;
01577    int i;
01578 
01579    for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01580       for (i = 0; i <= stack->b_num; i++) {
01581          if (stack->bc[i].in_use && stack->bc[i].conf_id == confid) {
01582             return &stack->bc[i];
01583          }
01584       }
01585    }
01586    return NULL;
01587 }

struct misdn_bchannel * find_bc_by_l3id ( struct misdn_stack stack,
unsigned long  l3id 
) [read]

Definition at line 1536 of file isdn_lib.c.

References ARRAY_LEN, misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::in_use, misdn_bchannel::l3_id, MAX_BCHANS, and stack_holder_find().

Referenced by handle_cr(), handle_event_nt(), handle_frm_te(), manager_event_handler(), and release_cr().

01537 {
01538    int i;
01539 
01540    for (i = 0; i <= stack->b_num; ++i) {
01541       if (stack->bc[i].in_use && stack->bc[i].l3_id == l3id) {
01542          return &stack->bc[i];
01543       }
01544    }
01545 #if defined(AST_MISDN_ENHANCEMENTS)
01546    /* Search the B channel records for a REGISTER signaling link. */
01547    for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
01548       if (stack->bc[i].in_use && stack->bc[i].l3_id == l3id) {
01549          return &stack->bc[i];
01550       }
01551    }
01552 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01553    return stack_holder_find(stack, l3id);
01554 }

static struct misdn_bchannel* find_bc_by_masked_l3id ( struct misdn_stack stack,
unsigned long  l3id,
unsigned long  mask 
) [static, read]

Definition at line 1515 of file isdn_lib.c.

References ARRAY_LEN, misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::in_use, misdn_bchannel::l3_id, MAX_BCHANS, and stack_holder_find().

Referenced by handle_event_nt().

01516 {
01517    int i;
01518 
01519    for (i = 0; i <= stack->b_num; ++i) {
01520       if (stack->bc[i].in_use && (stack->bc[i].l3_id & mask) == (l3id & mask)) {
01521          return &stack->bc[i];
01522       }
01523    }
01524 #if defined(AST_MISDN_ENHANCEMENTS)
01525    /* Search the B channel records for a REGISTER signaling link. */
01526    for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
01527       if (stack->bc[i].in_use && (stack->bc[i].l3_id & mask) == (l3id & mask)) {
01528          return &stack->bc[i];
01529       }
01530    }
01531 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01532    return stack_holder_find(stack, l3id);
01533 }

static int find_free_chan_in_stack ( struct misdn_stack stack,
struct misdn_bchannel bc,
int  channel,
int  dec 
) [static]

Definition at line 513 of file isdn_lib.c.

References ARRAY_LEN, AST_CAUSE_NORMAL_CIRCUIT_CONGESTION, AST_CAUSE_REQUESTED_CHAN_UNAVAIL, misdn_stack::b_num, cb_log, misdn_bchannel::channel, misdn_bchannel::channel_found, misdn_stack::channels, dump_chan_list(), misdn_bchannel::is_register_pool, MAX_BCHANS, misdn_bchannel::out_cause, misdn_stack::port, misdn_stack::pri, pthread_mutex_lock, pthread_mutex_unlock, set_chan_in_stack(), and misdn_stack::st_lock.

Referenced by create_process(), handle_event_nt(), handle_event_te(), and misdn_lib_send_event().

00514 {
00515    int i;
00516    int chan = 0;
00517    int bnums;
00518 
00519    if (bc->channel_found) {
00520       return 0;
00521    }
00522 
00523    bc->channel_found = 1;
00524 
00525 #if defined(AST_MISDN_ENHANCEMENTS)
00526    if (bc->is_register_pool) {
00527       pthread_mutex_lock(&stack->st_lock);
00528       for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->channels); ++i) {
00529          if (!stack->channels[i]) {
00530             chan = i + 1;
00531             cb_log(3, stack->port, " --> found REGISTER chan: %d\n", chan);
00532             break;
00533          }
00534       }
00535    } else
00536 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
00537    {
00538       cb_log(5, stack->port, "find_free_chan: req_chan:%d\n", channel);
00539 
00540       if (channel < 0 || channel > MAX_BCHANS) {
00541          cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00542          return 0;
00543       }
00544 
00545       --channel;
00546 
00547       pthread_mutex_lock(&stack->st_lock);
00548       bnums = stack->pri ? stack->b_num : stack->b_num - 1;
00549       if (dec) {
00550          for (i = bnums; i >= 0; --i) {
00551             if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 D channel ;) and work with chan preselection */
00552                if (!stack->channels[i]) {
00553                   chan = i + 1;
00554                   cb_log(3, stack->port, " --> found chan%s: %d\n", channel >= 0 ? " (preselected)" : "", chan);
00555                   break;
00556                }
00557             }
00558          }
00559       } else {
00560          for (i = 0; i <= bnums; ++i) {
00561             if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 D channel ;) and work with chan preselection */
00562                if (!stack->channels[i]) {
00563                   chan = i + 1;
00564                   cb_log(3, stack->port, " --> found chan%s: %d\n", channel >= 0 ? " (preselected)" : "", chan);
00565                   break;
00566                }
00567             }
00568          }
00569       }
00570    }
00571 
00572    if (!chan) {
00573       pthread_mutex_unlock(&stack->st_lock);
00574       cb_log(1, stack->port, " !! NO FREE CHAN IN STACK\n");
00575       dump_chan_list(stack);
00576       bc->out_cause = AST_CAUSE_NORMAL_CIRCUIT_CONGESTION;
00577       return -1;
00578    }
00579 
00580    if (set_chan_in_stack(stack, chan) < 0) {
00581       pthread_mutex_unlock(&stack->st_lock);
00582       cb_log(0, stack->port, "Channel Already in use:%d\n", chan);
00583       bc->out_cause = AST_CAUSE_REQUESTED_CHAN_UNAVAIL;
00584       return -1;
00585    }
00586    pthread_mutex_unlock(&stack->st_lock);
00587 
00588    bc->channel = chan;
00589    return 0;
00590 }

static struct misdn_stack* find_stack_by_addr ( int  addr  )  [static, read]

Definition at line 1472 of file isdn_lib.c.

References misdn_stack::next, misdn_lib::stack_list, and misdn_stack::upper_id.

Referenced by handle_frm_nt(), handle_frm_te(), handle_l1(), handle_l2(), and handle_mgmt().

01473 {
01474    struct misdn_stack *stack;
01475 
01476    for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01477       if ((stack->upper_id & STACK_ID_MASK) == (addr & STACK_ID_MASK)) {
01478          /* Found the stack */
01479          break;
01480       }
01481    }
01482 
01483    return stack;
01484 }

static struct misdn_stack* find_stack_by_mgr ( manager_t *  mgr_nt  )  [static, read]

Definition at line 1501 of file isdn_lib.c.

References misdn_stack::mgr, misdn_stack::next, and misdn_lib::stack_list.

Referenced by handle_event_nt().

01502 {
01503    struct misdn_stack *stack;
01504 
01505    for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01506       if (&stack->mgr == mgr_nt) {
01507          /* Found the stack */
01508          break;
01509       }
01510    }
01511 
01512    return stack;
01513 }

static struct misdn_stack* find_stack_by_port ( int  port  )  [static, read]

Definition at line 1487 of file isdn_lib.c.

References misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_lib_get_free_bc(), misdn_lib_get_port_info(), misdn_lib_port_restart(), misdn_lib_reinit_nt_stack(), and misdn_lib_send_restart().

01488 {
01489    struct misdn_stack *stack;
01490 
01491    for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
01492       if (stack->port == port) {
01493          /* Found the stack */
01494          break;
01495       }
01496    }
01497 
01498    return stack;
01499 }

static char* flip_buf_bits ( char *  buf,
int  len 
) [static]

Definition at line 334 of file isdn_lib.c.

Referenced by handle_bchan(), misdn_lib_init(), misdn_lib_tx2misdn_frm(), and misdn_tx_jitter().

00335 {
00336    int i;
00337    char * start = buf;
00338 
00339    for (i = 0 ; i < len; i++) {
00340       buf[i] = flip_table[(unsigned char)buf[i]];
00341    }
00342 
00343    return start;
00344 }

struct misdn_stack * get_misdn_stack ( void   )  [read]
void get_show_stack_details ( int  port,
char *  buf 
)

Definition at line 168 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::l1link, misdn_stack::l2link, misdn_stack::next, misdn_stack::nt, misdn_stack::port, and misdn_stack::ptp.

Referenced by handle_cli_misdn_show_port(), and handle_cli_misdn_show_stacks().

00169 {
00170    struct misdn_stack *stack = get_misdn_stack();
00171 
00172    for (; stack; stack = stack->next) {
00173       if (stack->port == port) {
00174          break;
00175       }
00176    }
00177 
00178    if (stack) {
00179       sprintf(buf, "* Port %2d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d",
00180          stack->port,
00181          stack->nt ? "NT" : "TE",
00182          stack->ptp ? "PTP" : "PMP",
00183          (stack->nt && !stack->ptp) ? "UNKN" : stack->l2link ? "UP  " : "DOWN",
00184          stack->l1link ? "UP  " : "DOWN",
00185          stack->blocked);
00186    } else {
00187       buf[0] = 0;
00188    }
00189 }

struct misdn_stack* get_stack_by_bc ( struct misdn_bchannel bc  )  [read]

Definition at line 152 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_bchannel::port.

Referenced by clean_up_bc(), create_process(), dec_ie_channel_id(), enc_ie_channel_id(), handle_bchan(), handle_event_te(), manager_bchannel_activate(), manager_bchannel_deactivate(), manager_clean_bc(), manager_ec_disable(), manager_ec_enable(), misdn_lib_log_ies(), misdn_lib_release(), misdn_lib_send_event(), misdn_lib_tx2misdn_frm(), parse_release_complete(), parse_restart(), send_msg(), and setup_bc().

00153 {
00154    struct misdn_stack *stack = get_misdn_stack();
00155 
00156    if (!bc)
00157       return NULL;
00158 
00159    for ( ; stack; stack = stack->next) {
00160       if (bc->port == stack->port)
00161          return stack;
00162    }
00163 
00164    return NULL;
00165 }

static int handle_bchan ( msg_t *  msg  )  [static]

Anyway flip the bufbits

Definition at line 2395 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::bc_state, BCHAN_ACTIVATED, misdn_bchannel::bframe, misdn_bchannel::bframe_len, misdn_bchannel::caller, misdn_bchannel::capability, cb_event, cb_log, misdn_bchannel::channel, misdn_bchannel::dialed, do_tone(), misdn_bchannel::dtmf, EVENT_BCHAN_DATA, EVENT_DTMF_TONE, find_bc_by_addr(), flip_buf_bits(), get_stack_by_bc(), misdn_stack::midev, misdn_cap_is_speech(), misdn_tx_jitter(), misdn_party_id::name, misdn_bchannel::nojitter, misdn_party_dialing::number, misdn_party_id::number, misdn_party_dialing::number_type, misdn_party_id::number_type, misdn_bchannel::pid, misdn_stack::port, misdn_bchannel::port, and misdn_lib::user_data.

Referenced by handle_err(), and manager_isdn_handler().

02396 {
02397    iframe_t *frm= (iframe_t*)msg->data;
02398    struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02399    struct misdn_stack *stack;
02400 
02401    if (!bc) {
02402       cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02403       return 0 ;
02404    }
02405 
02406    stack = get_stack_by_bc(bc);
02407 
02408    if (!stack) {
02409       cb_log(0, bc->port,"handle_bchan: STACK not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02410       return 0;
02411    }
02412 
02413    switch (frm->prim) {
02414 
02415    case MGR_SETSTACK| CONFIRM:
02416       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02417       break;
02418 
02419    case MGR_SETSTACK| INDICATION:
02420       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02421    break;
02422 
02423    case MGR_DELLAYER| INDICATION:
02424       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02425       break;
02426 
02427    case MGR_DELLAYER| CONFIRM:
02428       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02429 
02430       bc->pid=0;
02431       bc->addr=0;
02432 
02433       free_msg(msg);
02434       return 1;
02435 
02436    case PH_ACTIVATE | INDICATION:
02437    case DL_ESTABLISH | INDICATION:
02438       cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02439 
02440       free_msg(msg);
02441       return 1;
02442 
02443    case PH_ACTIVATE | CONFIRM:
02444    case DL_ESTABLISH | CONFIRM:
02445 
02446       cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02447       free_msg(msg);
02448 
02449       return 1;
02450 
02451    case DL_ESTABLISH | REQUEST:
02452       {
02453          char buf[128];
02454          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02455       }
02456       free_msg(msg);
02457       return 1;
02458 
02459    case DL_RELEASE|REQUEST:
02460       {
02461          char buf[128];
02462          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02463       }
02464       free_msg(msg);
02465       return 1;
02466 
02467    case PH_DEACTIVATE | INDICATION:
02468    case DL_RELEASE | INDICATION:
02469       cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02470 
02471       free_msg(msg);
02472       return 1;
02473 
02474    case PH_DEACTIVATE | CONFIRM:
02475    case DL_RELEASE | CONFIRM:
02476       cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02477 
02478       free_msg(msg);
02479       return 1;
02480 
02481    case PH_CONTROL|INDICATION:
02482    {
02483       unsigned int *cont = (unsigned int *) &frm->data.p;
02484 
02485       cb_log(4, stack->port,
02486          "PH_CONTROL: channel:%d caller%d:\"%s\" <%s> dialed%d:%s \n",
02487          bc->channel,
02488          bc->caller.number_type,
02489          bc->caller.name,
02490          bc->caller.number,
02491          bc->dialed.number_type,
02492          bc->dialed.number);
02493 
02494       if ((*cont & ~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02495          int dtmf = *cont & DTMF_TONE_MASK;
02496          cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02497          bc->dtmf=dtmf;
02498          cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02499 
02500          free_msg(msg);
02501          return 1;
02502       }
02503       if (*cont == BF_REJECT) {
02504          cb_log(4, stack->port, " --> BF REJECT\n");
02505          free_msg(msg);
02506          return 1;
02507       }
02508       if (*cont == BF_ACCEPT) {
02509          cb_log(4, stack->port, " --> BF ACCEPT\n");
02510          free_msg(msg);
02511          return 1;
02512       }
02513    }
02514    break;
02515 
02516    case PH_DATA|REQUEST:
02517    case DL_DATA|REQUEST:
02518       cb_log(0, stack->port, "DL_DATA REQUEST \n");
02519       do_tone(bc, 64);
02520 
02521       free_msg(msg);
02522       return 1;
02523 
02524 
02525    case PH_DATA|INDICATION:
02526    case DL_DATA|INDICATION:
02527    {
02528       bc->bframe = (void*)&frm->data.i;
02529       bc->bframe_len = frm->len;
02530 
02531       /** Anyway flip the bufbits **/
02532       if ( misdn_cap_is_speech(bc->capability) )
02533          flip_buf_bits(bc->bframe, bc->bframe_len);
02534 
02535 
02536       if (!bc->bframe_len) {
02537          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02538          free_msg(msg);
02539          return 1;
02540       }
02541 
02542       if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02543          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02544          free_msg(msg);
02545          return 1;
02546       }
02547 
02548 #if MISDN_DEBUG
02549       cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02550 
02551 #endif
02552 
02553       if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02554          int t;
02555 
02556 #ifdef MISDN_B_DEBUG
02557          cb_log(0,bc->port,"do_tone START\n");
02558 #endif
02559          t=do_tone(bc,frm->len);
02560 
02561 #ifdef MISDN_B_DEBUG
02562          cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02563 #endif
02564          if (  !t ) {
02565             int i;
02566 
02567             if ( misdn_cap_is_speech(bc->capability)) {
02568                if ( !bc->nojitter ) {
02569 #ifdef MISDN_B_DEBUG
02570                   cb_log(0,bc->port,"tx_jitter START\n");
02571 #endif
02572                   misdn_tx_jitter(bc,frm->len);
02573 #ifdef MISDN_B_DEBUG
02574                   cb_log(0,bc->port,"tx_jitter STOP\n");
02575 #endif
02576                }
02577             }
02578 
02579 #ifdef MISDN_B_DEBUG
02580             cb_log(0,bc->port,"EVENT_B_DATA START\n");
02581 #endif
02582 
02583             i = cb_event(EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02584 #ifdef MISDN_B_DEBUG
02585             cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02586 #endif
02587 
02588             if (i<0) {
02589                cb_log(10,stack->port,"cb_event returned <0\n");
02590                /*clean_up_bc(bc);*/
02591             }
02592          }
02593       }
02594       free_msg(msg);
02595       return 1;
02596    }
02597 
02598 
02599    case PH_CONTROL | CONFIRM:
02600       cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02601       free_msg(msg);
02602       return 1;
02603 
02604    case PH_DATA | CONFIRM:
02605    case DL_DATA|CONFIRM:
02606 #if MISDN_DEBUG
02607 
02608       cb_log(0, stack->port, "Data confirmed\n");
02609 
02610 #endif
02611       free_msg(msg);
02612       return 1;
02613    case DL_DATA|RESPONSE:
02614 #if MISDN_DEBUG
02615       cb_log(0, stack->port, "Data response\n");
02616 
02617 #endif
02618       break;
02619    }
02620 
02621    return 0;
02622 }

static int handle_cr ( struct misdn_stack stack,
iframe_t *  frm 
) [static]

Definition at line 1686 of file isdn_lib.c.

References cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), dump_chan_list(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, find_bc_by_l3id(), free, misdn_bchannel::in_use, misdn_bchannel::l3_id, misdn_lib_get_free_bc(), misdn_make_dummy(), misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_stack::nt, misdn_stack::port, misdn_bchannel::stack_holder, stack_holder_remove(), and misdn_lib::user_data.

Referenced by handle_event_nt(), handle_frm_te(), and release_cr().

01687 {
01688    struct misdn_bchannel dummybc;
01689    struct misdn_bchannel *bc;
01690    int channel;
01691 
01692    if (!stack) return -1;
01693 
01694    switch (frm->prim) {
01695    case CC_NEW_CR|INDICATION:
01696       cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01697 
01698       bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01699       if (!bc) {
01700          cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01701          return -1;
01702       }
01703 
01704       cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01705       bc->l3_id=frm->dinfo;
01706       return 1;
01707    case CC_NEW_CR|CONFIRM:
01708       return 1;
01709    case CC_NEW_CR|REQUEST:
01710       return 1;
01711    case CC_RELEASE_CR|REQUEST:
01712       return 1;
01713    case CC_RELEASE_CR|CONFIRM:
01714       break;
01715    case CC_RELEASE_CR|INDICATION:
01716       cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n", frm->dinfo);
01717       bc = find_bc_by_l3id(stack, frm->dinfo);
01718       if (!bc) {
01719          cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01720          misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
01721          bc = &dummybc;
01722       }
01723 
01724       channel = bc->channel;
01725       cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n", frm->dinfo);
01726 
01727       /* bc->pid = 0; */
01728       bc->need_disconnect = 0;
01729       bc->need_release = 0;
01730       bc->need_release_complete = 0;
01731 
01732       cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01733 
01734       empty_bc(bc);
01735       clean_up_bc(bc);
01736 
01737       if (channel > 0)
01738          empty_chan_in_stack(stack, channel);
01739       bc->in_use = 0;
01740 
01741       dump_chan_list(stack);
01742 
01743       if (bc->stack_holder) {
01744          cb_log(4, stack->port, "REMOVING Holder\n");
01745          stack_holder_remove(stack, bc);
01746          free(bc);
01747       }
01748 
01749       return 1;
01750    default:
01751       break;
01752    }
01753 
01754    return 0;
01755 }

static int handle_err ( msg_t *  msg  )  [static]

Definition at line 3779 of file isdn_lib.c.

References cb_log, and handle_bchan().

Referenced by manager_isdn_handler().

03780 {
03781    iframe_t *frm = (iframe_t*) msg->data;
03782 
03783 
03784    if (!frm->addr) {
03785       static int cnt=0;
03786       if (!cnt)
03787          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03788       cnt++;
03789       if (cnt>100) {
03790          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03791          cnt=0;
03792       }
03793 
03794       free_msg(msg);
03795       return 1;
03796 
03797    }
03798 
03799    switch (frm->prim) {
03800       case MGR_SETSTACK|INDICATION:
03801          return handle_bchan(msg);
03802       break;
03803 
03804       case MGR_SETSTACK|CONFIRM:
03805       case MGR_CLEARSTACK|CONFIRM:
03806          free_msg(msg) ;
03807          return 1;
03808       break;
03809 
03810       case DL_DATA|CONFIRM:
03811          cb_log(4,0,"DL_DATA|CONFIRM\n");
03812          free_msg(msg);
03813          return 1;
03814 
03815       case PH_CONTROL|CONFIRM:
03816          cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03817          free_msg(msg);
03818          return 1;
03819 
03820       case DL_DATA|INDICATION:
03821       {
03822          int port=(frm->addr&MASTER_ID_MASK) >> 8;
03823          int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03824 
03825          /*we flush the read buffer here*/
03826 
03827          cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03828 
03829          free_msg(msg);
03830          return 1;
03831       }
03832    }
03833 
03834    return 0;
03835 }

static int handle_event_nt ( void *  dat,
void *  arg 
) [static]

Definition at line 1890 of file isdn_lib.c.

References AST_CAUSE_USER_BUSY, misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::cause, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), create_l3msg(), empty_bc(), empty_chan_in_stack(), EVENT_NEW_L3ID, EVENT_PORT_ALARM, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_SETUP, find_bc_by_l3id(), find_bc_by_masked_l3id(), find_free_chan_in_stack(), find_stack_by_mgr(), free, handle_cr(), misdn_bchannel::holded, misdn_bchannel::in_use, misdn_bchannel::is_register_pool, isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_stack::l1link, misdn_stack::l2link, misdn_stack::l2upcnt, misdn_bchannel::l3_id, misdn_lib_get_free_bc(), misdn_lib_get_l2_up(), misdn_lib_send_event(), misdn_lib_send_restart(), misdn_make_dummy(), mISDNUSER_HEAD_SIZE, msgs_g, misdn_stack::nst, misdn_stack::nstlock, misdn_stack::nt, misdn_bchannel::port, misdn_stack::port, misdn_stack::procids, pthread_mutex_lock, pthread_mutex_unlock, misdn_stack::ptp, release_cr(), misdn_stack::restart_sent, stack_holder_find(), stack_holder_remove(), misdn_stack::upper_id, and misdn_lib::user_data.

Referenced by misdn_lib_reinit_nt_stack(), and stack_init().

01891 {
01892    struct misdn_bchannel dummybc;
01893    struct misdn_bchannel *bc;
01894    manager_t *mgr = (manager_t *)dat;
01895    msg_t *msg = (msg_t *)arg;
01896    msg_t *dmsg;
01897    mISDNuser_head_t *hh;
01898    struct misdn_stack *stack;
01899    enum event_e event;
01900    int reject=0;
01901    int l3id;
01902    int channel;
01903    int tmpcause;
01904 
01905    if (!msg || !mgr)
01906       return(-EINVAL);
01907 
01908    stack = find_stack_by_mgr(mgr);
01909    hh=(mISDNuser_head_t*)msg->data;
01910 
01911    /*
01912     * When we are called from the mISDNuser lib, the nstlock is held and it
01913     * must be held when we return.  We unlock here because the lib may be
01914     * entered again recursively.
01915     */
01916    pthread_mutex_unlock(&stack->nstlock);
01917 
01918    cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01919    switch(hh->prim) {
01920    case CC_RETRIEVE|INDICATION:
01921    {
01922       struct misdn_bchannel *hold_bc;
01923       iframe_t frm; /* fake te frm to add callref to global callreflist */
01924 
01925       frm.dinfo = hh->dinfo;
01926       frm.addr=stack->upper_id | FLG_MSG_DOWN;
01927       frm.prim = CC_NEW_CR|INDICATION;
01928       if (handle_cr( stack, &frm)< 0) {
01929          goto ERR_NO_CHANNEL;
01930       }
01931 
01932       bc = find_bc_by_l3id(stack, hh->dinfo);
01933       hold_bc = stack_holder_find(stack, bc->l3_id);
01934       cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01935 
01936       if (hold_bc) {
01937          cb_log(4, stack->port, "REMOVING Holder\n");
01938 
01939          /* swap the backup to our new channel back */
01940          stack_holder_remove(stack, hold_bc);
01941          memcpy(bc, hold_bc, sizeof(*bc));
01942          free(hold_bc);
01943 
01944          bc->holded=0;
01945          bc->b_stid=0;
01946       }
01947       break;
01948    }
01949 
01950    case CC_SETUP | CONFIRM:
01951       l3id = *((int *) (msg->data + mISDNUSER_HEAD_SIZE));
01952 
01953       cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID is %x\n", l3id);
01954 
01955       bc = find_bc_by_l3id(stack, hh->dinfo);
01956       if (bc) {
01957          cb_log (2, bc->port, "I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01958          bc->l3_id = l3id;
01959          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01960       } else {
01961          cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n");
01962       }
01963       free_msg(msg);
01964       pthread_mutex_lock(&stack->nstlock);
01965       return 0;
01966 
01967    case CC_SETUP | INDICATION:
01968       bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01969       if (!bc) {
01970          goto ERR_NO_CHANNEL;
01971       }
01972 
01973       cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01974       bc->l3_id=hh->dinfo;
01975       break;
01976 
01977 #if defined(AST_MISDN_ENHANCEMENTS)
01978    case CC_REGISTER | CONFIRM:
01979       l3id = *((int *) (msg->data + mISDNUSER_HEAD_SIZE));
01980 
01981       cb_log(4, stack->port, " --> lib: Event_ind:REGISTER CONFIRM [NT] : new L3ID is %x\n", l3id);
01982 
01983       bc = find_bc_by_l3id(stack, hh->dinfo);
01984       if (bc) {
01985          cb_log (2, bc->port, "I IND :CC_REGISTER|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01986          bc->l3_id = l3id;
01987       } else {
01988          cb_log(4, stack->port, "Bc Not found (after REGISTER CONFIRM)\n");
01989       }
01990       free_msg(msg);
01991       pthread_mutex_lock(&stack->nstlock);
01992       return 0;
01993 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
01994 
01995 #if defined(AST_MISDN_ENHANCEMENTS)
01996    case CC_REGISTER | INDICATION:
01997       bc = misdn_lib_get_register_bc(stack->port);
01998       if (!bc) {
01999          goto ERR_NO_CHANNEL;
02000       }
02001 
02002       cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
02003       bc->l3_id=hh->dinfo;
02004       break;
02005 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
02006 
02007    case CC_CONNECT_ACKNOWLEDGE|INDICATION:
02008       break;
02009 
02010    case CC_ALERTING|INDICATION:
02011    case CC_PROCEEDING|INDICATION:
02012    case CC_SETUP_ACKNOWLEDGE|INDICATION:
02013    case CC_CONNECT|INDICATION:
02014       break;
02015    case CC_DISCONNECT|INDICATION:
02016       bc = find_bc_by_l3id(stack, hh->dinfo);
02017       if (!bc) {
02018          bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
02019          if (bc) {
02020             int myprocid=bc->l3_id&0x0000ffff;
02021 
02022             hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
02023             cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
02024             reject=1;
02025          }
02026       }
02027       break;
02028 
02029    case CC_FACILITY|INDICATION:
02030       bc = find_bc_by_l3id(stack, hh->dinfo);
02031       if (!bc) {
02032          bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
02033          if (bc) {
02034             int myprocid=bc->l3_id&0x0000ffff;
02035 
02036             hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
02037             cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
02038          }
02039       }
02040       break;
02041 
02042    case CC_RELEASE_COMPLETE|INDICATION:
02043       break;
02044 
02045    case CC_SUSPEND|INDICATION:
02046       cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
02047       dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
02048       pthread_mutex_lock(&stack->nstlock);
02049       stack->nst.manager_l3(&stack->nst, dmsg);
02050       free_msg(msg);
02051       return 0;
02052 
02053    case CC_RESUME|INDICATION:
02054       break;
02055 
02056    case CC_RELEASE|CONFIRM:
02057       bc = find_bc_by_l3id(stack, hh->dinfo);
02058       if (bc) {
02059          cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo);
02060          misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
02061       }
02062       break;
02063 
02064    case CC_RELEASE|INDICATION:
02065       break;
02066 
02067    case CC_RELEASE_CR|INDICATION:
02068       release_cr(stack, hh);
02069       free_msg(msg);
02070       pthread_mutex_lock(&stack->nstlock);
02071       return 0;
02072 
02073    case CC_NEW_CR|INDICATION:
02074       /*  Got New CR for bchan, for now I handle this one in */
02075       /*  connect_ack, Need to be changed */
02076       l3id = *((int *) (msg->data + mISDNUSER_HEAD_SIZE));
02077 
02078       bc = find_bc_by_l3id(stack, hh->dinfo);
02079       if (!bc) {
02080          cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n");
02081          pthread_mutex_lock(&stack->nstlock);
02082          return -1;
02083       }
02084       if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
02085          cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
02086          stack->procids[bc->l3_id&0xff] = 0 ;
02087       }
02088       cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID  is %x\n",l3id );
02089 
02090       bc->l3_id =l3id;
02091       if (!bc->is_register_pool) {
02092          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
02093       }
02094 
02095       free_msg(msg);
02096       pthread_mutex_lock(&stack->nstlock);
02097       return 0;
02098 
02099    case DL_ESTABLISH | INDICATION:
02100    case DL_ESTABLISH | CONFIRM:
02101       cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
02102 
02103       if (stack->ptp && stack->l2link) {
02104          cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
02105          cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02106       }
02107 
02108       if (stack->ptp && !stack->restart_sent) {
02109          /* make sure we restart the interface of the
02110           * other side */
02111          stack->restart_sent=1;
02112          misdn_lib_send_restart(stack->port, -1);
02113 
02114       }
02115 
02116       /* when we get the L2 UP, the L1 is UP definitely too*/
02117       stack->l2link = 1;
02118       stack->l2upcnt=0;
02119 
02120       free_msg(msg);
02121       pthread_mutex_lock(&stack->nstlock);
02122       return 0;
02123 
02124    case DL_RELEASE | INDICATION:
02125    case DL_RELEASE | CONFIRM:
02126       cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02127       if (stack->ptp) {
02128 
02129          if (stack->l2upcnt>3) {
02130             cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attempts!!!\n");
02131          } else {
02132             if (stack->l1link) {
02133                misdn_lib_get_l2_up(stack);
02134                stack->l2upcnt++;
02135             }
02136          }
02137       }
02138 
02139       stack->l2link = 0;
02140       free_msg(msg);
02141       pthread_mutex_lock(&stack->nstlock);
02142       return 0;
02143 
02144    default:
02145       break;
02146    }
02147 
02148    /*  Parse Events and fire_up to App. */
02149    event = isdn_msg_get_event(msgs_g, msg, 1);
02150 
02151    bc = find_bc_by_l3id(stack, hh->dinfo);
02152    if (!bc) {
02153       cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x).\n", hh->dinfo);
02154       misdn_make_dummy(&dummybc, stack->port,  hh->dinfo, stack->nt, 0);
02155       bc = &dummybc;
02156    }
02157 
02158    isdn_msg_parse_event(msgs_g, msg, bc, 1);
02159 
02160    switch (event) {
02161    case EVENT_SETUP:
02162       if (bc->channel <= 0 || bc->channel == 0xff) {
02163          bc->channel = 0;
02164       }
02165 
02166       if (find_free_chan_in_stack(stack, bc, bc->channel, 0) < 0) {
02167          goto ERR_NO_CHANNEL;
02168       }
02169       break;
02170    case EVENT_RELEASE:
02171    case EVENT_RELEASE_COMPLETE:
02172       channel = bc->channel;
02173       tmpcause = bc->cause;
02174 
02175       empty_bc(bc);
02176       bc->cause = tmpcause;
02177       clean_up_bc(bc);
02178 
02179       if (channel > 0)
02180          empty_chan_in_stack(stack, channel);
02181       bc->in_use = 0;
02182       break;
02183    default:
02184       break;
02185    }
02186 
02187    if(!isdn_get_info(msgs_g, event, 1)) {
02188       cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n", hh->prim, hh->dinfo);
02189    } else {
02190       if (reject) {
02191          switch(bc->cause) {
02192          case AST_CAUSE_USER_BUSY:
02193             cb_log(1, stack->port, "Siemens Busy reject..\n");
02194             break;
02195          default:
02196             break;
02197          }
02198       }
02199       cb_event(event, bc, glob_mgr->user_data);
02200    }
02201 
02202    free_msg(msg);
02203    pthread_mutex_lock(&stack->nstlock);
02204    return 0;
02205 
02206 ERR_NO_CHANNEL:
02207    cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
02208    dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST, MT_RELEASE_COMPLETE, hh->dinfo, sizeof(RELEASE_COMPLETE_t), 1);
02209    pthread_mutex_lock(&stack->nstlock);
02210    stack->nst.manager_l3(&stack->nst, dmsg);
02211    free_msg(msg);
02212    return 0;
02213 }

static int handle_event_te ( struct misdn_bchannel bc,
enum event_e  event,
iframe_t *  frm 
) [static]

Definition at line 1590 of file isdn_lib.c.

References misdn_bchannel::caller, misdn_bchannel::capability, cb_log, misdn_bchannel::channel, misdn_bchannel::crypt_key, misdn_bchannel::cw, misdn_bchannel::dialed, EVENT_ALERTING, EVENT_CONNECT, EVENT_CONNECT_ACKNOWLEDGE, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, find_free_chan_in_stack(), get_stack_by_bc(), manager_ec_enable(), manager_ph_control(), manager_ph_control_block(), misdn_cap_is_speech(), misdn_lib_send_event(), misdn_party_id::name, misdn_bchannel::nodsp, misdn_party_dialing::number, misdn_party_id::number, misdn_party_dialing::number_type, misdn_party_id::number_type, misdn_bchannel::out_cause, misdn_stack::port, misdn_stack::pri, misdn_stack::ptp, misdn_bchannel::rxgain, setup_bc(), and misdn_bchannel::txgain.

Referenced by handle_frm_te().

01591 {
01592    struct misdn_stack *stack=get_stack_by_bc(bc);
01593 
01594    switch (event) {
01595       case EVENT_CONNECT_ACKNOWLEDGE:
01596          setup_bc(bc);
01597 
01598          if ( *bc->crypt_key ) {
01599             cb_log(4, stack->port,
01600                "ENABLING BLOWFISH channel:%d caller%d:\"%s\" <%s> dialed%d:%s\n",
01601                bc->channel,
01602                bc->caller.number_type,
01603                bc->caller.name,
01604                bc->caller.number,
01605                bc->dialed.number_type,
01606                bc->dialed.number);
01607             manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01608          }
01609 
01610          if (misdn_cap_is_speech(bc->capability)) {
01611             if (  !bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
01612             manager_ec_enable(bc);
01613 
01614             if ( bc->txgain != 0 ) {
01615                cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
01616                manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
01617             }
01618             if ( bc->rxgain != 0 ) {
01619                cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
01620                manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
01621             }
01622          }
01623 
01624          break;
01625       case EVENT_CONNECT:
01626 
01627          if ( *bc->crypt_key ) {
01628             cb_log(4, stack->port,
01629                "ENABLING BLOWFISH channel:%d caller%d:\"%s\" <%s> dialed%d:%s\n",
01630                bc->channel,
01631                bc->caller.number_type,
01632                bc->caller.name,
01633                bc->caller.number,
01634                bc->dialed.number_type,
01635                bc->dialed.number);
01636             manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01637          }
01638       case EVENT_ALERTING:
01639       case EVENT_PROGRESS:
01640       case EVENT_PROCEEDING:
01641       case EVENT_SETUP_ACKNOWLEDGE:
01642       case EVENT_SETUP:
01643       {
01644          if (bc->channel == 0xff || bc->channel<=0)
01645             bc->channel=0;
01646 
01647          if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
01648             if (!stack->pri && !stack->ptp)  {
01649                bc->cw=1;
01650                break;
01651             }
01652 
01653             if (!bc->channel) {
01654                cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01655             } else {
01656                cb_log(0, stack->port,
01657                   "Requested Channel Already in Use releasing this call with cause %d!!!!\n",
01658                   bc->out_cause);
01659             }
01660 
01661             /* when the channel is already in use, we can't
01662              * simply clear it, we need to make sure that
01663              * it will still be marked as in_use in the
01664              * available channels list.*/
01665             bc->channel=0;
01666 
01667             misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01668             return -1;
01669          }
01670 
01671          if (event != EVENT_SETUP) {
01672             setup_bc(bc);
01673          }
01674          break;
01675       }
01676 
01677       case EVENT_RELEASE_COMPLETE:
01678       case EVENT_RELEASE:
01679          break;
01680       default:
01681          break;
01682    }
01683    return 0;
01684 }

static int handle_frm_nt ( msg_t *  msg  )  [static]

Definition at line 2626 of file isdn_lib.c.

References cb_log, find_stack_by_addr(), pthread_mutex_lock, and pthread_mutex_unlock.

Referenced by manager_isdn_handler().

02627 {
02628    iframe_t *frm= (iframe_t*)msg->data;
02629    struct misdn_stack *stack;
02630    int err=0;
02631 
02632    stack=find_stack_by_addr( frm->addr );
02633 
02634 
02635 
02636    if (!stack || !stack->nt) {
02637       return 0;
02638    }
02639 
02640 
02641    pthread_mutex_lock(&stack->nstlock);
02642    if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02643       pthread_mutex_unlock(&stack->nstlock);
02644       if (nt_err_cnt > 0 ) {
02645          if (nt_err_cnt < 100) {
02646             nt_err_cnt++;
02647             cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02648          } else if (nt_err_cnt < 105){
02649             cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02650             nt_err_cnt = - 1;
02651          }
02652       }
02653       free_msg(msg);
02654       return 1;
02655    }
02656    pthread_mutex_unlock(&stack->nstlock);
02657    return 1;
02658 }

static int handle_frm_te ( msg_t *  msg  )  [static]

Definition at line 2661 of file isdn_lib.c.

References AST_CAUSE_NORMAL_CLEARING, AST_CAUSE_REQUESTED_CHAN_UNAVAIL, misdn_bchannel::cause, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), empty_bc(), empty_chan_in_stack(), EVENT_RELEASE_COMPLETE, EVENT_RESTART, EVENT_SETUP, find_bc_by_l3id(), find_stack_by_addr(), handle_cr(), handle_event_te(), misdn_bchannel::in_use, isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_bchannel::l3_id, misdn_lib_send_event(), misdn_lib_send_restart(), misdn_make_dummy(), msgs_g, misdn_bchannel::need_release_complete, misdn_stack::nt, misdn_bchannel::out_cause, misdn_stack::port, RESPONSE_IGNORE_SETUP, RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE, RESPONSE_OK, RESPONSE_RELEASE_SETUP, misdn_bchannel::restart_channel, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02662 {
02663    struct misdn_bchannel dummybc;
02664    struct misdn_bchannel *bc;
02665    iframe_t *frm;
02666    struct misdn_stack *stack;
02667    enum event_e event;
02668    enum event_response_e response;
02669    int ret;
02670    int channel;
02671    int tmpcause;
02672    int tmp_out_cause;
02673 
02674    frm = (iframe_t*) msg->data;
02675    stack = find_stack_by_addr(frm->addr);
02676    if (!stack || stack->nt) {
02677       return 0;
02678    }
02679 
02680    cb_log(4, stack->port, "handle_frm_te: frm->addr:%x frm->prim:%x\n", frm->addr, frm->prim);
02681 
02682    ret = handle_cr(stack, frm);
02683    if (ret < 0) {
02684       cb_log(3, stack->port, "handle_frm_te: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02685    }
02686    if (ret) {
02687       free_msg(msg);
02688       return 1;
02689    }
02690 
02691    bc = find_bc_by_l3id(stack, frm->dinfo);
02692    if (!bc) {
02693       misdn_make_dummy(&dummybc, stack->port, 0, stack->nt, 0);
02694       switch (frm->prim) {
02695       case CC_RESTART | CONFIRM:
02696          dummybc.l3_id = MISDN_ID_GLOBAL;
02697          bc = &dummybc;
02698          break;
02699       case CC_SETUP | INDICATION:
02700          dummybc.l3_id = frm->dinfo;
02701          bc = &dummybc;
02702 
02703          /* set a reasonable cause */
02704          bc->out_cause = AST_CAUSE_REQUESTED_CHAN_UNAVAIL;
02705          /* if we want to send something the flag must be set! */
02706          bc->need_release_complete = 1;
02707          misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
02708 
02709          free_msg(msg);
02710          return 1;
02711       default:
02712          if (frm->prim == (CC_FACILITY | INDICATION)) {
02713             cb_log(5, stack->port, " --> Using Dummy BC for FACILITY\n");
02714          } else {
02715             cb_log(0, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02716             dummybc.l3_id = frm->dinfo;
02717          }
02718          bc = &dummybc;
02719          break;
02720       }
02721    }
02722 
02723    event = isdn_msg_get_event(msgs_g, msg, 0);
02724    isdn_msg_parse_event(msgs_g, msg, bc, 0);
02725 
02726    /* Preprocess some Events */
02727    ret = handle_event_te(bc, event, frm);
02728    if (ret < 0) {
02729       cb_log(0, stack->port, "couldn't handle event\n");
02730       free_msg(msg);
02731       return 1;
02732    }
02733 
02734    /* shoot up event to App: */
02735    cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n", frm->addr, frm->prim, frm->dinfo);
02736 
02737    if (!isdn_get_info(msgs_g, event, 0)) {
02738       cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n", frm->addr, frm->prim, frm->dinfo);
02739       response = RESPONSE_OK;
02740    } else {
02741       response = cb_event(event, bc, glob_mgr->user_data);
02742    }
02743 
02744    switch (event) {
02745    case EVENT_SETUP:
02746       switch (response) {
02747       case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02748          cb_log(0, stack->port, "TOTALLY IGNORING SETUP\n");
02749          break;
02750       case RESPONSE_IGNORE_SETUP:
02751          cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02752          /* I think we should send CC_RELEASE_CR, but am not sure*/
02753          bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
02754          /* fall through */
02755       case RESPONSE_RELEASE_SETUP:
02756          if (response == RESPONSE_RELEASE_SETUP) {
02757             cb_log(0, stack->port, "GOT RELEASE SETUP\n");
02758          }
02759          misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
02760          break;
02761       case RESPONSE_OK:
02762          cb_log(4, stack->port, "GOT SETUP OK\n");
02763          break;
02764       default:
02765          cb_log(0, stack->port, "GOT UNKNOWN SETUP RESPONSE\n");
02766          break;
02767       }
02768       break;
02769    case EVENT_RELEASE_COMPLETE:
02770       /* release bchannel only after we've announced the RELEASE_COMPLETE */
02771       channel = bc->channel;
02772       tmpcause = bc->cause;
02773       tmp_out_cause = bc->out_cause;
02774 
02775       empty_bc(bc);
02776       bc->cause = tmpcause;
02777       bc->out_cause = tmp_out_cause;
02778       clean_up_bc(bc);
02779       bc->in_use = 0;
02780 
02781       if (tmpcause == AST_CAUSE_REQUESTED_CHAN_UNAVAIL) {
02782          cb_log(0, stack->port, "**** Received CAUSE:%d, restarting channel %d\n", AST_CAUSE_REQUESTED_CHAN_UNAVAIL, channel);
02783          misdn_lib_send_restart(stack->port, channel);
02784       }
02785       if (channel > 0) {
02786          empty_chan_in_stack(stack, channel);
02787       }
02788       break;
02789    case EVENT_RESTART:
02790       cb_log(0, stack->port, "**** Received RESTART channel:%d\n", bc->restart_channel);
02791       empty_chan_in_stack(stack, bc->restart_channel);
02792       break;
02793    default:
02794       break;
02795    }
02796 
02797    cb_log(5, stack->port, "Freeing Msg on prim:%x \n", frm->prim);
02798    free_msg(msg);
02799    return 1;
02800 }

static int handle_l1 ( msg_t *  msg  )  [static]

Definition at line 2803 of file isdn_lib.c.

References cb_event, cb_log, EVENT_CLEANUP, find_stack_by_addr(), MISDN_INITIALIZED, misdn_lib_get_l2_up(), pthread_mutex_lock, pthread_mutex_unlock, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02804 {
02805    iframe_t *frm = (iframe_t*) msg->data;
02806    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02807 
02808    if (!stack) return 0 ;
02809 
02810    switch (frm->prim) {
02811    case PH_ACTIVATE | CONFIRM:
02812       /* we have to check for errors! */
02813       if (frm->len) {
02814          cb_log (3, stack->port, "L1: PH_ACTIVATE|REQUEST returned error!\n");
02815          free_msg(msg);
02816          return 1;
02817       }
02818       /* fall through */
02819    case PH_ACTIVATE | INDICATION:
02820       cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02821       stack->l1link=1;
02822 
02823       if (stack->nt) {
02824 
02825          pthread_mutex_lock(&stack->nstlock);
02826          if (stack->nst.l1_l2(&stack->nst, msg))
02827             free_msg(msg);
02828          pthread_mutex_unlock(&stack->nstlock);
02829 
02830          if (stack->ptp)
02831             misdn_lib_get_l2_up(stack);
02832       } else {
02833          free_msg(msg);
02834       }
02835       return 1;
02836 
02837    case PH_ACTIVATE | REQUEST:
02838       free_msg(msg);
02839       cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02840       return 1;
02841 
02842    case PH_DEACTIVATE | REQUEST:
02843       free_msg(msg);
02844       cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02845       return 1;
02846 
02847    case PH_DEACTIVATE | CONFIRM:
02848       /* we have to check for errors! */
02849       if (frm->len) {
02850          cb_log (3, stack->port, "L1: PH_DEACTIVATE|REQUEST returned error!\n");
02851          free_msg(msg);
02852          return 1;
02853       }
02854       /* fall through */
02855    case PH_DEACTIVATE | INDICATION:
02856       cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02857 
02858 #if 0
02859       for (i=0; i<=stack->b_num; i++) {
02860          if (global_state == MISDN_INITIALIZED)  {
02861             cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02862          }
02863       }
02864 #endif
02865 
02866       if (stack->nt) {
02867          pthread_mutex_lock(&stack->nstlock);
02868          if (stack->nst.l1_l2(&stack->nst, msg))
02869             free_msg(msg);
02870          pthread_mutex_unlock(&stack->nstlock);
02871       } else {
02872          free_msg(msg);
02873       }
02874 
02875       stack->l1link=0;
02876       stack->l2link=0;
02877       return 1;
02878    }
02879 
02880    return 0;
02881 }

static int handle_l2 ( msg_t *  msg  )  [static]

Definition at line 2883 of file isdn_lib.c.

References cb_event, cb_log, EVENT_PORT_ALARM, find_stack_by_addr(), and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02884 {
02885    iframe_t *frm = (iframe_t*) msg->data;
02886 
02887    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02888 
02889    if (!stack) {
02890       return 0 ;
02891    }
02892 
02893    switch(frm->prim) {
02894 
02895    case DL_ESTABLISH | REQUEST:
02896       cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02897       free_msg(msg);
02898       return 1;
02899    case DL_RELEASE | REQUEST:
02900       cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02901       free_msg(msg);
02902       return 1;
02903 
02904    case DL_ESTABLISH | INDICATION:
02905    case DL_ESTABLISH | CONFIRM:
02906    {
02907       cb_log (3, stack->port, "L2: L2Link Up! \n");
02908       if (stack->ptp && stack->l2link) {
02909          cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n");
02910          cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02911       }
02912       stack->l2link=1;
02913       free_msg(msg);
02914       return 1;
02915    }
02916    break;
02917 
02918    case DL_RELEASE | INDICATION:
02919    case DL_RELEASE | CONFIRM:
02920    {
02921       cb_log (3, stack->port, "L2: L2Link Down! \n");
02922       stack->l2link=0;
02923 
02924       free_msg(msg);
02925       return 1;
02926    }
02927    break;
02928    }
02929    return 0;
02930 }

static int handle_mgmt ( msg_t *  msg  )  [static]

Definition at line 2932 of file isdn_lib.c.

References cb_log, clear_l3(), and find_stack_by_addr().

Referenced by manager_isdn_handler().

02933 {
02934    iframe_t *frm = (iframe_t*) msg->data;
02935    struct misdn_stack *stack;
02936 
02937    if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02938       cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02939       free_msg(msg);
02940       return 1;
02941    }
02942 
02943    stack = find_stack_by_addr(frm->addr);
02944 
02945    if (!stack) {
02946       if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02947          cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02948                frm->addr) ;
02949          free_msg(msg);
02950          return 1;
02951       }
02952 
02953       return 0;
02954    }
02955 
02956    switch(frm->prim) {
02957    case MGR_SHORTSTATUS | INDICATION:
02958    case MGR_SHORTSTATUS | CONFIRM:
02959       cb_log(5, stack->port, "MGMT: Short status dinfo %x\n",frm->dinfo);
02960 
02961       switch (frm->dinfo) {
02962       case SSTATUS_L1_ACTIVATED:
02963          cb_log(3, stack->port, "MGMT: SSTATUS: L1_ACTIVATED \n");
02964          stack->l1link=1;
02965 
02966          break;
02967       case SSTATUS_L1_DEACTIVATED:
02968          cb_log(3, stack->port, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02969          stack->l1link=0;
02970 #if 0
02971          clear_l3(stack);
02972 #endif
02973          break;
02974 
02975       case SSTATUS_L2_ESTABLISHED:
02976          cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02977          stack->l2link=1;
02978          break;
02979 
02980       case SSTATUS_L2_RELEASED:
02981          cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02982          stack->l2link=0;
02983          break;
02984       }
02985 
02986       free_msg(msg);
02987       return 1;
02988 
02989    case MGR_SETSTACK | INDICATION:
02990       cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02991       free_msg(msg);
02992       return 1;
02993    case MGR_DELLAYER | CONFIRM:
02994       cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02995       free_msg(msg);
02996       return 1;
02997 
02998    }
02999 
03000    /*
03001    if ( (frm->prim & 0x0f0000) ==  0x0f0000) {
03002    cb_log(5, 0, "$$$ MGMT FRAME: prim %x addr %x dinfo %x\n",frm->prim, frm->addr, frm->dinfo) ;
03003    free_msg(msg);
03004    return 1;
03005    } */
03006 
03007    return 0;
03008 }

static int handle_timers ( msg_t *  msg  )  [static]

Definition at line 2216 of file isdn_lib.c.

References cb_log, misdn_stack::next, pthread_mutex_lock, pthread_mutex_unlock, and misdn_lib::stack_list.

Referenced by manager_isdn_handler().

02217 {
02218    iframe_t *frm= (iframe_t*)msg->data;
02219    struct misdn_stack *stack;
02220 
02221    /* Timer Stuff */
02222    switch (frm->prim) {
02223    case MGR_INITTIMER | CONFIRM:
02224    case MGR_ADDTIMER | CONFIRM:
02225    case MGR_DELTIMER | CONFIRM:
02226    case MGR_REMOVETIMER | CONFIRM:
02227       free_msg(msg);
02228       return(1);
02229    }
02230 
02231 
02232 
02233    if (frm->prim==(MGR_TIMER | INDICATION) ) {
02234       for (stack = glob_mgr->stack_list;
02235            stack;
02236            stack = stack->next) {
02237          itimer_t *it;
02238 
02239          if (!stack->nt) continue;
02240 
02241          it = stack->nst.tlist;
02242          /* find timer */
02243          for(it=stack->nst.tlist;
02244              it;
02245              it=it->next) {
02246             if (it->id == (int)frm->addr)
02247                break;
02248          }
02249          if (it) {
02250             mISDN_write_frame(stack->midev, msg->data, frm->addr,
02251                     MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02252             test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02253             pthread_mutex_lock(&stack->nstlock);
02254             it->function(it->data);
02255             pthread_mutex_unlock(&stack->nstlock);
02256             free_msg(msg);
02257             return 1;
02258          }
02259       }
02260 
02261       cb_log(0, 0, "Timer Msg without Timer ??\n");
02262       free_msg(msg);
02263       return 1;
02264    }
02265 
02266    return 0;
02267 }

static int init_bc ( struct misdn_stack stack,
struct misdn_bchannel bc,
int  midev,
int  port,
int  bidx 
) [static]

IFACE

Definition at line 1210 of file isdn_lib.c.

References misdn_bchannel::astbuf, misdn_stack::b_num, bc_state_change(), BCHAN_CLEANED, buff, cb_log, empty_bc(), send_lock::lock, malloc, MISDN_IBUF_SIZE, misdn_stack::nt, misdn_bchannel::nt, misdn_stack::port, misdn_bchannel::port, misdn_stack::pri, misdn_bchannel::pri, pthread_mutex_init, and misdn_bchannel::send_lock.

Referenced by misdn_lib_init().

01211 {
01212    if (!bc) {
01213       return -1;
01214    }
01215 
01216    cb_log(8, port, "Init.BC %d.\n",bidx);
01217 
01218    bc->send_lock = malloc(sizeof(struct send_lock)); /* XXX BUG! memory leak never freed */
01219    if (!bc->send_lock) {
01220       return -1;
01221    }
01222    pthread_mutex_init(&bc->send_lock->lock, NULL);
01223 
01224    empty_bc(bc);
01225 
01226    bc->port=stack->port;
01227    bc_state_change(bc, BCHAN_CLEANED);
01228    bc->nt=stack->nt?1:0;
01229    bc->pri=stack->pri;
01230 
01231    {
01232       ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01233 
01234       if (!ibuf) return -1;
01235 
01236       clear_ibuffer( ibuf);
01237 
01238       ibuf->rsem=malloc(sizeof(sem_t));
01239       if (!ibuf->rsem) {
01240          return -1;
01241       }
01242 
01243       bc->astbuf=ibuf;
01244 
01245       if (sem_init(ibuf->rsem,1,0)<0)
01246          sem_init(ibuf->rsem,0,0);
01247 
01248    }
01249 
01250 #if 0 /* This code does not seem to do anything useful */
01251    if (bidx <= stack->b_num) {
01252       unsigned char buff[1025];
01253       iframe_t *frm = (iframe_t *) buff;
01254       stack_info_t *stinf;
01255       int ret;
01256 
01257       ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01258       if (ret < 0) {
01259          cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01260          return -1;
01261       }
01262 
01263       stinf = (stack_info_t *)&frm->data.p;
01264 
01265       cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01266    }
01267 #endif
01268 
01269    return 0;
01270 }

static void init_flip_bits ( void   )  [static]

Definition at line 321 of file isdn_lib.c.

Referenced by misdn_lib_init().

00322 {
00323    int i,k;
00324 
00325    for (i = 0 ; i < 256 ; i++) {
00326       unsigned char sample = 0 ;
00327       for (k = 0; k<8; k++) {
00328          if ( i & 1 << k ) sample |= 0x80 >>  k;
00329       }
00330       flip_table[i] = sample;
00331    }
00332 }

void isdn_lib_stop_dtmf ( struct misdn_bchannel bc  ) 

Definition at line 4462 of file isdn_lib.c.

References manager_ph_control().

Referenced by process_ast_dsp().

04463 {
04464    manager_ph_control(bc, DTMF_TONE_STOP, 0);
04465 }

void isdn_lib_update_ec ( struct misdn_bchannel bc  ) 

Definition at line 4450 of file isdn_lib.c.

References misdn_bchannel::ec_enable, manager_ec_disable(), and manager_ec_enable().

Referenced by process_ast_dsp().

04451 {
04452 #ifdef MISDN_1_2
04453    if (*bc->pipeline)
04454 #else
04455    if (bc->ec_enable)
04456 #endif
04457       manager_ec_enable(bc);
04458    else
04459       manager_ec_disable(bc);
04460 }

void isdn_lib_update_rxgain ( struct misdn_bchannel bc  ) 

Definition at line 4440 of file isdn_lib.c.

References manager_ph_control(), and misdn_bchannel::rxgain.

Referenced by process_ast_dsp().

04441 {
04442    manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04443 }

void isdn_lib_update_txgain ( struct misdn_bchannel bc  ) 

Definition at line 4445 of file isdn_lib.c.

References manager_ph_control(), and misdn_bchannel::txgain.

Referenced by process_ast_dsp().

04446 {
04447    manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04448 }

void manager_bchannel_activate ( struct misdn_bchannel bc  ) 

Definition at line 4329 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, cb_log, get_stack_by_bc(), misdn_stack::midev, misdn_stack::port, and misdn_bchannel::port.

Referenced by setup_bc().

04330 {
04331    char buf[128];
04332 
04333    struct misdn_stack *stack=get_stack_by_bc(bc);
04334 
04335    if (!stack) {
04336       cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04337       return ;
04338    }
04339 
04340    /* we must activate if we are deactivated */
04341    clear_ibuffer(bc->astbuf);
04342 
04343    cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04344 
04345    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN,  DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04346 
04347    return ;
04348 }

void manager_bchannel_cleanup ( struct misdn_bchannel bc  ) 
void manager_bchannel_deactivate ( struct misdn_bchannel bc  ) 

Definition at line 4351 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, misdn_bchannel::bc_state, bc_state_change(), BCHAN_ACTIVATED, BCHAN_BRIDGED, BCHAN_RELEASE, cb_log, misdn_bchannel::conf_id, misdn_bchannel::generate_tone, get_stack_by_bc(), misdn_stack::midev, misdn_split_conf(), misdn_stack::port, and misdn_bchannel::port.

Referenced by clean_up_bc().

04352 {
04353    struct misdn_stack *stack=get_stack_by_bc(bc);
04354    char buf[128];
04355 
04356    switch (bc->bc_state) {
04357       case BCHAN_ACTIVATED:
04358          break;
04359       case BCHAN_BRIDGED:
04360          misdn_split_conf(bc,bc->conf_id);
04361          break;
04362       default:
04363          cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04364          return ;
04365 
04366    }
04367 
04368    cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04369 
04370    bc->generate_tone=0;
04371 
04372    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04373 
04374    clear_ibuffer(bc->astbuf);
04375 
04376    bc_state_change(bc,BCHAN_RELEASE);
04377 
04378    return;
04379 }

void manager_bchannel_setup ( struct misdn_bchannel bc  ) 
void manager_clean_bc ( struct misdn_bchannel bc  ) 

Definition at line 4489 of file isdn_lib.c.

References cb_event, misdn_bchannel::channel, empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, get_stack_by_bc(), and misdn_bchannel::in_use.

Referenced by misdn_lib_pid_restart().

04490 {
04491    struct misdn_stack *stack=get_stack_by_bc(bc);
04492 
04493    if (stack && bc->channel > 0) {
04494       empty_chan_in_stack(stack, bc->channel);
04495    }
04496    empty_bc(bc);
04497    bc->in_use=0;
04498 
04499    cb_event(EVENT_CLEANUP, bc, NULL);
04500 }

void manager_ec_disable ( struct misdn_bchannel bc  ) 

Definition at line 4677 of file isdn_lib.c.

References misdn_bchannel::capability, cb_log, misdn_bchannel::ec_enable, ECHOCAN_OFF, get_stack_by_bc(), manager_ph_control(), manager_ph_control_block(), misdn_cap_is_speech(), and misdn_stack::port.

Referenced by clean_up_bc(), handle_cli_misdn_toggle_echocancel(), and isdn_lib_update_ec().

04678 {
04679    struct misdn_stack *stack=get_stack_by_bc(bc);
04680 
04681    cb_log(4, stack?stack->port:0," --> ec_disable\n");
04682 
04683    if (!misdn_cap_is_speech(bc->capability)) {
04684       cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04685       return;
04686    }
04687 
04688 #ifdef MISDN_1_2
04689    manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04690 #else
04691    if ( ! bc->ec_enable) {
04692       cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04693       manager_ph_control(bc,  ECHOCAN_OFF, 0);
04694    }
04695 #endif
04696 }

void manager_ec_enable ( struct misdn_bchannel bc  ) 

Definition at line 4628 of file isdn_lib.c.

References misdn_bchannel::capability, cb_log, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, ECHOCAN_ON, get_stack_by_bc(), manager_ph_control_block(), misdn_cap_is_speech(), and misdn_stack::port.

Referenced by handle_cli_misdn_toggle_echocancel(), handle_event_te(), isdn_lib_update_ec(), and misdn_lib_send_event().

04629 {
04630    struct misdn_stack *stack=get_stack_by_bc(bc);
04631 
04632    cb_log(4, stack?stack->port:0,"ec_enable\n");
04633 
04634    if (!misdn_cap_is_speech(bc->capability)) {
04635       cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04636    } else {
04637 
04638 #ifdef MISDN_1_2
04639    if (*bc->pipeline) {
04640       cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04641       manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04642    }
04643 #else
04644    int ec_arr[2];
04645 
04646    if (bc->ec_enable) {
04647       cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04648 
04649       switch (bc->ec_deftaps) {
04650       case 4:
04651       case 8:
04652       case 16:
04653       case 32:
04654       case 64:
04655       case 128:
04656       case 256:
04657       case 512:
04658       case 1024:
04659          cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04660          break;
04661       default:
04662          cb_log(0, stack->port, "Taps should be power of 2\n");
04663          bc->ec_deftaps=128;
04664       }
04665 
04666       ec_arr[0]=bc->ec_deftaps;
04667       ec_arr[1]=0;
04668 
04669       manager_ph_control_block(bc,  ECHOCAN_ON,  ec_arr, sizeof(ec_arr));
04670    }
04671 #endif
04672    }
04673 }

static void manager_event_handler ( void *  arg  )  [static]

wait for events

Definition at line 4025 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, misdn_stack::downqueue, find_bc_by_l3id(), misdn_lib::midev, misdn_make_dummy(), misdn_lib::new_msg, misdn_stack::next, misdn_stack::nst, misdn_stack::nstlock, misdn_stack::nt, misdn_stack::port, pthread_mutex_lock, pthread_mutex_unlock, send_msg(), and misdn_lib::stack_list.

Referenced by misdn_lib_init().

04026 {
04027    sem_post(&handler_started);
04028    while (1) {
04029       struct misdn_stack *stack;
04030       msg_t *msg;
04031 
04032       /** wait for events **/
04033       sem_wait(&glob_mgr->new_msg);
04034 
04035       for (msg=msg_dequeue(&glob_mgr->activatequeue);
04036            msg;
04037            msg=msg_dequeue(&glob_mgr->activatequeue)
04038          )
04039       {
04040 
04041          iframe_t *frm =  (iframe_t*) msg->data ;
04042 
04043          switch ( frm->prim) {
04044          case MGR_SETSTACK | REQUEST :
04045             free_msg(msg);
04046             break;
04047          default:
04048             mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04049             free_msg(msg);
04050          }
04051       }
04052 
04053       for (stack=glob_mgr->stack_list;
04054            stack;
04055            stack=stack->next ) {
04056          /* Here we should check if we really want to
04057             send all the messages we've queued, lets
04058             assume we've queued a Disconnect, but
04059             received it already from the other side!*/
04060 
04061          while ( (msg=msg_dequeue(&stack->downqueue)) ) {
04062             if (stack->nt ) {
04063                pthread_mutex_lock(&stack->nstlock);
04064                if (stack->nst.manager_l3(&stack->nst, msg))
04065                   cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
04066                pthread_mutex_unlock(&stack->nstlock);
04067             } else {
04068                iframe_t *frm = (iframe_t *)msg->data;
04069                struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
04070                if (bc)
04071                   send_msg(glob_mgr->midev, bc, msg);
04072                else  {
04073                   struct misdn_bchannel dummybc;
04074 
04075                   misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
04076                   if (frm->dinfo == MISDN_ID_GLOBAL || frm->dinfo == MISDN_ID_DUMMY ) {
04077                      cb_log(5,0," --> GLOBAL/DUMMY\n");
04078                   } else {
04079                      /*
04080                       * We need to be able to at least answer with RELEASE_COMPLETE
04081                       * on SETUP|INDICATION errors so use a dummy bc.
04082                       */
04083                      cb_log(0,0,"No bc for Message.  Using dummy_bc\n");
04084                   }
04085                   send_msg(glob_mgr->midev, &dummybc, msg);
04086                }
04087             }
04088          }
04089       }
04090    }
04091 }

struct misdn_bchannel * manager_find_bc_by_pid ( int  pid  )  [read]

Definition at line 3152 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::in_use, misdn_stack::next, misdn_bchannel::pid, and misdn_lib::stack_list.

Referenced by misdn_lib_pid_restart().

03153 {
03154    struct misdn_stack *stack;
03155    int i;
03156 
03157    for (stack = glob_mgr->stack_list; stack; stack = stack->next) {
03158       for (i = 0; i <= stack->b_num; i++) {
03159          if (stack->bc[i].in_use && stack->bc[i].pid == pid) {
03160             return &stack->bc[i];
03161          }
03162       }
03163    }
03164 
03165    return NULL;
03166 }

char* manager_isdn_get_info ( enum event_e  event  ) 

Definition at line 4324 of file isdn_lib.c.

References isdn_get_info(), and msgs_g.

Referenced by cb_events().

04325 {
04326    return isdn_get_info(msgs_g , event, 0);
04327 }

int manager_isdn_handler ( iframe_t *  frm,
msg_t *  msg 
)

Definition at line 3837 of file isdn_lib.c.

References cb_log, handle_bchan(), handle_err(), handle_frm_nt(), handle_frm_te(), handle_l1(), handle_l2(), handle_mgmt(), handle_timers(), and LOG_NOTICE.

Referenced by misdn_lib_isdn_event_catcher().

03838 {
03839 
03840    if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03841       cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03842    }
03843 
03844    /* Timer primitives must be handled first, because the frm->addr is a different
03845     * "address space" than the stack/instance address of other Lx primitives.
03846     */
03847    if (handle_timers(msg)) {
03848       return 0;
03849    }
03850 
03851    if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03852       static int unhandled_bmsg_count=1000;
03853       if (handle_bchan(msg)) {
03854          return 0 ;
03855       }
03856 
03857       if (unhandled_bmsg_count==1000) {
03858          cb_log(0, 0, "received 1k Unhandled Bchannel Messages: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);
03859          unhandled_bmsg_count=0;
03860       }
03861 
03862       unhandled_bmsg_count++;
03863       free_msg(msg);
03864       return 0;
03865    }
03866 
03867 #ifdef RECV_FRM_SYSLOG_DEBUG
03868    syslog(LOG_NOTICE,"mISDN recv: ADDR:%x PRIM:%x DINFO:%x\n", frm->addr, frm->prim, frm->dinfo);
03869 #endif
03870 
03871    if (handle_mgmt(msg))
03872       return 0 ;
03873 
03874    if (handle_l2(msg))
03875       return 0 ;
03876 
03877    /* Its important to handle l1 AFTER l2  */
03878    if (handle_l1(msg))
03879       return 0 ;
03880 
03881    if (handle_frm_nt(msg)) {
03882       return 0;
03883    }
03884 
03885    if (handle_frm_te(msg)) {
03886       return 0;
03887    }
03888 
03889    if (handle_err(msg)) {
03890       return 0 ;
03891    }
03892 
03893    cb_log(0, 0, "Unhandled Message: prim %x len %d from addr %x, dinfo %x on this port.\n",frm->prim, frm->len, frm->addr, frm->dinfo);
03894    free_msg(msg);
03895 
03896 
03897    return 0;
03898 }

void manager_ph_control ( struct misdn_bchannel bc,
int  c1,
int  c2 
)

Definition at line 4419 of file isdn_lib.c.

References misdn_bchannel::addr, cb_log, misdn_lib::midev, and misdn_bchannel::port.

Referenced by handle_event_te(), isdn_lib_stop_dtmf(), isdn_lib_update_rxgain(), isdn_lib_update_txgain(), manager_ec_disable(), misdn_join_conf(), misdn_lib_echo(), misdn_lib_send_event(), misdn_lib_send_tone(), and misdn_split_conf().

04420 {
04421    unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04422    iframe_t *ctrl = (iframe_t *)buffer; /* preload data */
04423    unsigned int *d = (unsigned int*)&ctrl->data.p;
04424    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04425 
04426    cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04427 
04428    ctrl->prim = PH_CONTROL | REQUEST;
04429    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04430    ctrl->dinfo = 0;
04431    ctrl->len = sizeof(unsigned int)*2;
04432    *d++ = c1;
04433    *d++ = c2;
04434    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04435 }

void manager_ph_control_block ( struct misdn_bchannel bc,
int  c1,
void *  c2,
int  c2_len 
)

Definition at line 4470 of file isdn_lib.c.

References misdn_bchannel::addr, and misdn_lib::midev.

Referenced by handle_event_te(), manager_ec_disable(), manager_ec_enable(), and misdn_lib_send_event().

04471 {
04472    unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04473    iframe_t *ctrl = (iframe_t *)buffer;
04474    unsigned int *d = (unsigned int *)&ctrl->data.p;
04475    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04476 
04477    ctrl->prim = PH_CONTROL | REQUEST;
04478    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04479    ctrl->dinfo = 0;
04480    ctrl->len = sizeof(unsigned int) + c2_len;
04481    *d++ = c1;
04482    memcpy(d, c2, c2_len);
04483    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04484 }

int misdn_cap_is_speech ( int  cap  ) 
void misdn_dump_chanlist ( void   ) 

Definition at line 483 of file isdn_lib.c.

References dump_chan_list(), get_misdn_stack(), and misdn_stack::next.

Referenced by handle_cli_misdn_show_channels().

00484 {
00485    struct misdn_stack *stack=get_misdn_stack();
00486    for ( ; stack; stack=stack->next) {
00487       dump_chan_list(stack);
00488    }
00489 
00490 }

int misdn_inband_avail ( struct misdn_bchannel bc  ) 

Definition at line 444 of file isdn_lib.c.

References misdn_bchannel::early_bconnect, INFO_PI_CALL_NOT_E2E_ISDN, INFO_PI_CALLED_NOT_ISDN, INFO_PI_INBAND_AVAILABLE, and misdn_bchannel::progress_indicator.

Referenced by cb_events().

00445 {
00446 
00447    if (!bc->early_bconnect) {
00448       /* We have opted to never receive any available inband recorded messages */
00449       return 0;
00450    }
00451 
00452    switch (bc->progress_indicator) {
00453    case INFO_PI_INBAND_AVAILABLE:
00454    case INFO_PI_CALL_NOT_E2E_ISDN:
00455    case INFO_PI_CALLED_NOT_ISDN:
00456       return 1;
00457    default:
00458       return 0;
00459    }
00460    return 0;
00461 }

void misdn_join_conf ( struct misdn_bchannel bc,
int  conf_id 
)

Definition at line 4705 of file isdn_lib.c.

References misdn_bchannel::addr, bc_state_change(), BCHAN_BRIDGED, cb_log, manager_ph_control(), misdn_lib_tx2misdn_frm(), and misdn_bchannel::port.

Referenced by bc_state_change(), and misdn_lib_bridge().

04706 {
04707    char data[16] = "";
04708 
04709    bc_state_change(bc,BCHAN_BRIDGED);
04710    manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04711    manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04712 
04713    cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04714 
04715    misdn_lib_tx2misdn_frm(bc, data, sizeof(data) - 1);
04716 }

void misdn_lib_bridge ( struct misdn_bchannel bc1,
struct misdn_bchannel bc2 
)

Definition at line 4728 of file isdn_lib.c.

References bc_next_state_change(), BCHAN_ACTIVATED, BCHAN_BRIDGED, cb_log, misdn_join_conf(), misdn_bchannel::pid, and misdn_bchannel::port.

Referenced by misdn_bridge().

04729 {
04730    int conf_id = bc1->pid + 1;
04731    struct misdn_bchannel *bc_list[] = { bc1, bc2, NULL };
04732    struct misdn_bchannel **bc;
04733 
04734    cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04735 
04736    for (bc=bc_list; *bc;  bc++) {
04737       (*bc)->conf_id=conf_id;
04738       cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04739 
04740       switch((*bc)->bc_state) {
04741          case BCHAN_ACTIVATED:
04742             misdn_join_conf(*bc,conf_id);
04743             break;
04744          default:
04745             bc_next_state_change(*bc,BCHAN_BRIDGED);
04746             break;
04747       }
04748    }
04749 }

void misdn_lib_destroy ( void   ) 

Definition at line 4285 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_stack::bc, cb_log, misdn_lib::event_handler_thread, misdn_lib::event_thread, free, misdn_lib::midev, misdn_stack::midev, MISDN_INITIALIZED, misdn_stack::next, misdn_stack::port, stack_destroy(), misdn_lib::stack_list, and te_lib_destroy().

Referenced by unload_module().

04286 {
04287    struct misdn_stack *help;
04288    int i;
04289 
04290    for ( help=glob_mgr->stack_list; help; help=help->next ) {
04291       for(i=0;i<=help->b_num; i++) {
04292          char buf[1024];
04293          mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
04294          help->bc[i].addr = 0;
04295       }
04296       cb_log (1, help->port, "Destroying this port.\n");
04297       stack_destroy(help);
04298    }
04299 
04300    if (global_state == MISDN_INITIALIZED) {
04301       cb_log(4, 0, "Killing Handler Thread\n");
04302       if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
04303          cb_log(4, 0, "Joining Handler Thread\n");
04304          pthread_join(glob_mgr->event_handler_thread, NULL);
04305       }
04306 
04307       cb_log(4, 0, "Killing Main Thread\n");
04308       if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
04309          cb_log(4, 0, "Joining Main Thread\n");
04310          pthread_join(glob_mgr->event_thread, NULL);
04311       }
04312    }
04313 
04314    cb_log(1, 0, "Closing mISDN device\n");
04315    te_lib_destroy(glob_mgr->midev);
04316    while ((help = glob_mgr->stack_list)) {
04317       glob_mgr->stack_list = help->next;
04318       free(help);
04319    }
04320    free(glob_mgr);
04321    glob_mgr = NULL;
04322 }

void misdn_lib_echo ( struct misdn_bchannel bc,
int  onoff 
)

Definition at line 4771 of file isdn_lib.c.

References cb_log, manager_ph_control(), and misdn_bchannel::port.

04772 {
04773    cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04774    manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04775 }

struct misdn_bchannel* misdn_lib_find_held_bc ( int  port,
int  l3_id 
) [read]

Find a held call's B channel record.

Parameters:
port Port the call is on.
l3_id mISDN Layer 3 ID of held call.
Returns:
Found bc-record or NULL.

Definition at line 4580 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and stack_holder_find().

Referenced by misdn_hangup().

04581 {
04582    struct misdn_bchannel *bc;
04583    struct misdn_stack *stack;
04584 
04585    bc = NULL;
04586    for (stack = get_misdn_stack(); stack; stack = stack->next) {
04587       if (stack->port == port) {
04588          bc = stack_holder_find(stack, l3_id);
04589          break;
04590       }
04591    }
04592 
04593    return bc;
04594 }

struct misdn_bchannel* misdn_lib_get_free_bc ( int  port,
int  channel,
int  inout,
int  dec 
) [read]

Definition at line 3205 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_stack::blocked, cb_log, misdn_bchannel::channel, misdn_bchannel::cw, misdn_bchannel::dec, find_stack_by_port(), MAX_BCHANS, prepare_bc(), misdn_stack::pri, pthread_mutex_lock, pthread_mutex_unlock, misdn_stack::ptp, misdn_stack::st_lock, and test_inuse().

Referenced by handle_cr(), handle_event_nt(), and misdn_request().

03206 {
03207    struct misdn_stack *stack;
03208    int i;
03209    int maxnum;
03210 
03211    if (channel < 0 || channel > MAX_BCHANS) {
03212       cb_log(0, port, "Requested channel out of bounds (%d)\n", channel);
03213       return NULL;
03214    }
03215 
03216    /* Find the port stack structure */
03217    stack = find_stack_by_port(port);
03218    if (!stack) {
03219       cb_log(0, port, "Port is not configured (%d)\n", port);
03220       return NULL;
03221    }
03222 
03223    if (stack->blocked) {
03224       cb_log(0, port, "Port is blocked\n");
03225       return NULL;
03226    }
03227 
03228    pthread_mutex_lock(&stack->st_lock);
03229    if (channel > 0) {
03230       if (channel <= stack->b_num) {
03231          for (i = 0; i < stack->b_num; i++) {
03232             if (stack->bc[i].channel == channel) {
03233                if (test_inuse(&stack->bc[i])) {
03234                   pthread_mutex_unlock(&stack->st_lock);
03235                   cb_log(0, port, "Requested channel:%d on port:%d is already in use\n", channel, port);
03236                   return NULL;
03237                } else {
03238                   prepare_bc(&stack->bc[i], channel);
03239                   pthread_mutex_unlock(&stack->st_lock);
03240                   return &stack->bc[i];
03241                }
03242             }
03243          }
03244       } else {
03245          pthread_mutex_unlock(&stack->st_lock);
03246          cb_log(0, port, "Requested channel:%d is out of bounds on port:%d\n", channel, port);
03247          return NULL;
03248       }
03249    }
03250 
03251    /* Note: channel == 0 here */
03252    maxnum = (inout && !stack->pri && !stack->ptp) ? stack->b_num + 1 : stack->b_num;
03253    if (dec) {
03254       for (i = maxnum - 1; i >= 0; --i) {
03255          if (!test_inuse(&stack->bc[i])) {
03256             /* 3. channel on bri means CW*/
03257             if (!stack->pri && i == stack->b_num) {
03258                stack->bc[i].cw = 1;
03259             }
03260 
03261             prepare_bc(&stack->bc[i], channel);
03262             stack->bc[i].dec = 1;
03263             pthread_mutex_unlock(&stack->st_lock);
03264             return &stack->bc[i];
03265          }
03266       }
03267    } else {
03268       for (i = 0; i < maxnum; ++i) {
03269          if (!test_inuse(&stack->bc[i])) {
03270             /* 3. channel on bri means CW */
03271             if (!stack->pri && i == stack->b_num) {
03272                stack->bc[i].cw = 1;
03273             }
03274 
03275             prepare_bc(&stack->bc[i], channel);
03276             pthread_mutex_unlock(&stack->st_lock);
03277             return &stack->bc[i];
03278          }
03279       }
03280    }
03281    pthread_mutex_unlock(&stack->st_lock);
03282 
03283    cb_log(1, port, "There is no free channel on port (%d)\n", port);
03284    return NULL;
03285 }

static int misdn_lib_get_l1_down ( struct misdn_stack stack  )  [static]

Definition at line 876 of file isdn_lib.c.

References cb_log, misdn_stack::midev, misdn_stack::port, and misdn_stack::upper_id.

Referenced by misdn_lib_get_port_down().

00877 {
00878    /* Pull Up L1 */
00879    iframe_t act;
00880    act.prim = PH_DEACTIVATE | REQUEST;
00881    act.addr = stack->upper_id | FLG_MSG_DOWN;
00882    act.dinfo = 0;
00883    act.len = 0;
00884 
00885    cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
00886    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00887 }

static int misdn_lib_get_l1_up ( struct misdn_stack stack  )  [static]

Definition at line 918 of file isdn_lib.c.

References cb_log, misdn_stack::midev, misdn_stack::port, and misdn_stack::upper_id.

Referenced by misdn_lib_get_port_up(), misdn_lib_isdn_l1watcher(), misdn_lib_reinit_nt_stack(), misdn_lib_send_event(), and stack_init().

00919 {
00920    /* Pull Up L1 */
00921    iframe_t act;
00922    act.prim = PH_ACTIVATE | REQUEST;
00923    act.addr = stack->upper_id | FLG_MSG_DOWN;
00924 
00925    act.dinfo = 0;
00926    act.len = 0;
00927 
00928    cb_log(1, stack->port, "SENDING PH_ACTIVATE | REQ\n");
00929    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00930 }

static int misdn_lib_get_l2_down ( struct misdn_stack stack  )  [static]

Definition at line 890 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nstlock, misdn_stack::nt, pthread_mutex_lock, pthread_mutex_unlock, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by misdn_lib_get_port_down().

00891 {
00892 
00893    if (stack->ptp && stack->nt) {
00894       msg_t *dmsg;
00895       /* L2 */
00896       dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00897 
00898       pthread_mutex_lock(&stack->nstlock);
00899       if (stack->nst.manager_l3(&stack->nst, dmsg))
00900          free_msg(dmsg);
00901       pthread_mutex_unlock(&stack->nstlock);
00902    } else if (!stack->nt) {
00903       iframe_t act;
00904 
00905       act.prim = DL_RELEASE| REQUEST;
00906       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00907 
00908       act.dinfo = 0;
00909       act.len = 0;
00910       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00911    }
00912    /* cannot deestablish L2 for NT PTMP to unknown TE TEIs */
00913 
00914    return 0;
00915 }

int misdn_lib_get_l2_up ( struct misdn_stack stack  ) 

Definition at line 932 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nstlock, misdn_stack::nt, pthread_mutex_lock, pthread_mutex_unlock, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_event_nt(), handle_l1(), misdn_lib_get_port_up(), misdn_lib_isdn_l1watcher(), and stack_init().

00933 {
00934 
00935    if (stack->ptp && stack->nt) {
00936       msg_t *dmsg;
00937       /* L2 */
00938       dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00939 
00940       pthread_mutex_lock(&stack->nstlock);
00941       if (stack->nst.manager_l3(&stack->nst, dmsg))
00942          free_msg(dmsg);
00943       pthread_mutex_unlock(&stack->nstlock);
00944    } else if (!stack->nt) {
00945       iframe_t act;
00946 
00947       act.prim = DL_ESTABLISH | REQUEST;
00948       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00949 
00950       act.dinfo = 0;
00951       act.len = 0;
00952       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00953    }
00954    /* cannot establish L2 for NT PTMP to unknown TE TEIs */
00955 
00956    return 0;
00957 }

int misdn_lib_get_maxchans ( int  port  ) 

Definition at line 137 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_request().

00138 {
00139    struct misdn_stack *stack=get_misdn_stack();
00140    for ( ; stack; stack=stack->next) {
00141       if (stack->port == port) {
00142          if (stack->pri)
00143             return 30;
00144          else
00145             return 2;
00146       }
00147    }
00148    return -1;
00149 }

int misdn_lib_get_port_down ( int  port  ) 

Definition at line 1805 of file isdn_lib.c.

References misdn_stack::l2link, misdn_lib_get_l1_down(), misdn_lib_get_l2_down(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by handle_cli_misdn_port_down().

01806 { /* Pull Down L1 */
01807    struct misdn_stack *stack;
01808    for (stack=glob_mgr->stack_list;
01809         stack;
01810         stack=stack->next) {
01811       if (stack->port == port) {
01812             if (stack->l2link)
01813                misdn_lib_get_l2_down(stack);
01814             misdn_lib_get_l1_down(stack);
01815          return 0;
01816       }
01817    }
01818    return 0;
01819 }

int misdn_lib_get_port_info ( int  port  ) 

Definition at line 3903 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, find_stack_by_port(), misdn_lib::new_msg, and misdn_stack::upper_id.

03904 {
03905    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03906    iframe_t *frm;
03907    struct misdn_stack *stack=find_stack_by_port(port);
03908    if (!msg) {
03909       cb_log(0, port, "misdn_lib_get_port_info: alloc_msg failed!\n");
03910       return -1;
03911    }
03912    frm=(iframe_t*)msg->data;
03913    if (!stack ) {
03914       cb_log(0, port, "There is no Stack for this port.\n");
03915       return -1;
03916    }
03917    /* activate bchannel */
03918    frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03919 
03920    frm->addr = stack->upper_id| FLG_MSG_DOWN;
03921 
03922    frm->dinfo = 0;
03923    frm->len = 0;
03924 
03925    msg_queue_tail(&glob_mgr->activatequeue, msg);
03926    sem_post(&glob_mgr->new_msg);
03927 
03928 
03929    return 0;
03930 }

int misdn_lib_get_port_up ( int  port  ) 

Definition at line 1781 of file isdn_lib.c.

References misdn_stack::l1link, misdn_stack::l2link, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_stack::next, misdn_stack::nt, misdn_stack::port, and misdn_lib::stack_list.

Referenced by handle_cli_misdn_port_up(), and misdn_check_l2l1().

01782 { /* Pull Up L1 */
01783    struct misdn_stack *stack;
01784 
01785    for (stack=glob_mgr->stack_list;
01786         stack;
01787         stack=stack->next) {
01788 
01789       if (stack->port == port) {
01790 
01791          if (!stack->l1link)
01792             misdn_lib_get_l1_up(stack);
01793          /* handle_l1 will start L2 for NT. */
01794          if (!stack->l2link && !stack->nt) {
01795             misdn_lib_get_l2_up(stack);
01796          }
01797 
01798          return 0;
01799       }
01800    }
01801    return 0;
01802 }

static int misdn_lib_get_short_status ( struct misdn_stack stack  )  [static]

Definition at line 959 of file isdn_lib.c.

References misdn_stack::midev, and misdn_stack::upper_id.

Referenced by misdn_lib_isdn_l1watcher(), and stack_init().

00960 {
00961    iframe_t act;
00962 
00963 
00964    act.prim = MGR_SHORTSTATUS | REQUEST;
00965 
00966    act.addr = (stack->upper_id | MSG_BROADCAST)  ;
00967 
00968    act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00969 
00970    act.len = 0;
00971    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00972 }

int misdn_lib_init ( char *  portlist,
struct misdn_lib_iface iface,
void *  user_data 
)

Definition at line 4143 of file isdn_lib.c.

References misdn_lib::activatequeue, ARRAY_LEN, misdn_stack::b_num, misdn_stack::bc, calloc, misdn_lib_iface::cb_event, cb_event, misdn_lib_iface::cb_jb_empty, cb_jb_empty, misdn_lib_iface::cb_log, cb_log, misdn_lib::event_handler_thread, misdn_lib::event_thread, flip_buf_bits(), free, init_bc(), init_flip_bits(), misdn_bchannel::is_register_pool, manager_event_handler(), MAX_BCHANS, misdn_stack::midev, misdn_lib::midev, MISDN_INITIALIZED, misdn_lib_isdn_event_catcher(), misdn_lib_nt_debug_init(), misdn_lib::new_msg, misdn_stack::next, pthread_create, ptp, stack_destroy(), stack_init(), misdn_lib::stack_list, te_lib_destroy(), and te_lib_init().

Referenced by load_module().

04144 {
04145    struct misdn_lib *mgr;
04146    char *tok, *tokb;
04147    char plist[1024];
04148    int midev;
04149    int port_count=0;
04150 
04151    cb_log = iface->cb_log;
04152    cb_event = iface->cb_event;
04153    cb_jb_empty = iface->cb_jb_empty;
04154 
04155    if (!portlist || (*portlist == 0)) {
04156       return 1;
04157    }
04158 
04159    mgr = calloc(1, sizeof(*mgr));
04160    if (!mgr) {
04161       return 1;
04162    }
04163    glob_mgr = mgr;
04164 
04165    msg_init();
04166 
04167    misdn_lib_nt_debug_init(0,NULL);
04168 
04169    init_flip_bits();
04170 
04171    strncpy(plist, portlist, 1024);
04172    plist[1023] = 0;
04173 
04174    memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
04175    flip_buf_bits(tone_425_flip,TONE_425_SIZE);
04176 
04177    memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
04178    flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
04179 
04180    midev=te_lib_init();
04181    if (midev <= 0) {
04182       free(glob_mgr);
04183       glob_mgr = NULL;
04184       return 1;
04185    }
04186    mgr->midev=midev;
04187 
04188    port_count=mISDN_get_stack_count(midev);
04189 
04190    msg_queue_init(&mgr->activatequeue);
04191 
04192    if (sem_init(&mgr->new_msg, 1, 0)<0)
04193       sem_init(&mgr->new_msg, 0, 0);
04194 
04195    for (tok=strtok_r(plist," ,",&tokb );
04196         tok;
04197         tok=strtok_r(NULL," ,",&tokb)) {
04198       int port = atoi(tok);
04199       struct misdn_stack *stack;
04200       struct misdn_stack *help;
04201       int ptp=0;
04202       int i;
04203       int r;
04204 
04205       if (strstr(tok, "ptp"))
04206          ptp=1;
04207 
04208       if (port > port_count) {
04209          cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
04210          continue;
04211       }
04212 
04213       stack = stack_init(midev, port, ptp);
04214       if (!stack) {
04215          cb_log(0, port, "stack_init() failed for this port\n");
04216          continue;
04217       }
04218 
04219       /* Initialize the B channel records for real B channels. */
04220       for (i = 0; i <= stack->b_num; i++) {
04221          r = init_bc(stack, &stack->bc[i], stack->midev, port, i);
04222          if (r < 0) {
04223             cb_log(0, port, "Got Err @ init_bc :%d\n", r);
04224             break;
04225          }
04226       }
04227       if (i <= stack->b_num) {
04228          stack_destroy(stack);
04229          free(stack);
04230          continue;
04231       }
04232 #if defined(AST_MISDN_ENHANCEMENTS)
04233       /* Initialize the B channel records for REGISTER signaling links. */
04234       for (i = MAX_BCHANS + 1; i < ARRAY_LEN(stack->bc); ++i) {
04235          r = init_bc(stack, &stack->bc[i], stack->midev, port, i);
04236          if (r < 0) {
04237             cb_log(0, port, "Got Err @ init_bc :%d\n", r);
04238             break;
04239          }
04240          stack->bc[i].is_register_pool = 1;
04241       }
04242       if (i < ARRAY_LEN(stack->bc)) {
04243          stack_destroy(stack);
04244          free(stack);
04245          continue;
04246       }
04247 #endif   /* defined(AST_MISDN_ENHANCEMENTS) */
04248 
04249       /* Add the new stack to the end of the list */
04250       help = mgr->stack_list;
04251       if (!help) {
04252          mgr->stack_list = stack;
04253       } else {
04254          while (help->next) {
04255             help = help->next;
04256          }
04257          help->next = stack;
04258       }
04259    }
04260 
04261    if (!mgr->stack_list) {
04262       /* no stacks were successfully initialized !? */
04263       te_lib_destroy(midev);
04264       free(glob_mgr);
04265       glob_mgr = NULL;
04266       return 1;
04267    }
04268    if (sem_init(&handler_started, 1, 0)<0)
04269       sem_init(&handler_started, 0, 0);
04270 
04271    cb_log(8, 0, "Starting Event Handler\n");
04272    pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
04273 
04274    sem_wait(&handler_started) ;
04275    cb_log(8, 0, "Starting Event Catcher\n");
04276    pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
04277 
04278    cb_log(8, 0, "Event Catcher started\n");
04279 
04280    global_state= MISDN_INITIALIZED;
04281 
04282    return (mgr == NULL);
04283 }

int misdn_lib_is_port_blocked ( int  port  ) 

Definition at line 117 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

00118 {
00119    struct misdn_stack *stack=get_misdn_stack();
00120    for ( ; stack; stack=stack->next) {
00121       if (stack->port == port) {
00122          return stack->blocked;
00123       }
00124    }
00125    return -1;
00126 }

int misdn_lib_is_ptp ( int  port  ) 

Definition at line 128 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::ptp.

Referenced by build_setup(), cb_events(), do_immediate_setup(), misdn_call(), misdn_update_connected_line(), and misdn_update_redirecting().

00129 {
00130    struct misdn_stack *stack=get_misdn_stack();
00131    for ( ; stack; stack=stack->next) {
00132       if (stack->port == port) return stack->ptp;
00133    }
00134    return -1;
00135 }

static void misdn_lib_isdn_event_catcher ( void *  arg  )  [static]

When we make a call from NT2Ast we get these frames

I get this sometimes after setup_bc

Definition at line 3068 of file isdn_lib.c.

References cb_log, fetch_msg(), manager_isdn_handler(), and misdn_lib::midev.

Referenced by misdn_lib_init().

03069 {
03070    struct misdn_lib *mgr = arg;
03071    int zero_frm=0 , fff_frm=0 ;
03072    int midev= mgr->midev;
03073    int port=0;
03074 
03075    while (1) {
03076       msg_t *msg = fetch_msg(midev);
03077       iframe_t *frm;
03078 
03079 
03080       if (!msg) continue;
03081 
03082       frm = (iframe_t*) msg->data;
03083 
03084       /** When we make a call from NT2Ast we get these frames **/
03085       if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
03086          zero_frm++;
03087          free_msg(msg);
03088          continue;
03089       } else {
03090          if (zero_frm) {
03091             cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
03092             zero_frm = 0 ;
03093          }
03094       }
03095 
03096       /** I get this sometimes after setup_bc **/
03097       if (frm->len == 0 &&  frm->dinfo == 0 && frm->prim == 0xffffffff ) {
03098          fff_frm++;
03099          free_msg(msg);
03100          continue;
03101       } else {
03102          if (fff_frm) {
03103             cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
03104             fff_frm = 0 ;
03105          }
03106       }
03107 
03108       manager_isdn_handler(frm, msg);
03109    }
03110 
03111 }

void misdn_lib_isdn_l1watcher ( int  port  ) 

Definition at line 3049 of file isdn_lib.c.

References cb_log, misdn_stack::l1link, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_lib_get_short_status(), misdn_stack::next, misdn_stack::port, and misdn_lib::stack_list.

Referenced by misdn_l1_task().

03050 {
03051    struct misdn_stack *stack;
03052 
03053    for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
03054       ;
03055 
03056    if (stack) {
03057       cb_log(4, port, "Checking L1 State\n");
03058       if (!stack->l1link) {
03059          cb_log(4, port, "L1 State Down, trying to get it up again\n");
03060          misdn_lib_get_short_status(stack);
03061          misdn_lib_get_l1_up(stack);
03062          misdn_lib_get_l2_up(stack);
03063       }
03064    }
03065 }

void misdn_lib_log_ies ( struct misdn_bchannel bc  ) 

Definition at line 3431 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, bearer2str(), misdn_bchannel::caller, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, misdn_bchannel::connected, misdn_party_redirecting::count, misdn_bchannel::dialed, fac2str(), misdn_bchannel::fac_in, misdn_bchannel::fac_out, misdn_party_redirecting::from, get_stack_by_bc(), misdn_bchannel::holded, misdn_bchannel::info_dad, misdn_bchannel::keypad, misdn_bchannel::l3_id, misdn_bchannel::layer_id, misdn_bchannel::mode, misdn_party_id::name, misdn_stack::nt, misdn_party_id::number, misdn_party_id::number_plan, misdn_party_dialing::number_plan, misdn_party_id::number_type, misdn_party_dialing::number_type, misdn_bchannel::out_cause, misdn_stack::port, misdn_bchannel::presentation, misdn_party_id::presentation, misdn_bchannel::progress_indicator, misdn_bchannel::rate, misdn_party_redirecting::reason, misdn_bchannel::redirecting, misdn_party_id::screening, misdn_bchannel::sending_complete, misdn_bchannel::set_presentation, misdn_bchannel::stack_holder, misdn_party_redirecting::to, misdn_bchannel::urate, and misdn_bchannel::user1.

Referenced by cb_events(), and misdn_lib_send_event().

03432 {
03433    struct misdn_stack *stack;
03434 
03435    if (!bc) return;
03436 
03437    stack = get_stack_by_bc(bc);
03438 
03439    if (!stack) return;
03440 
03441    cb_log(2, stack->port,
03442       " --> channel:%d mode:%s cause:%d ocause:%d\n",
03443       bc->channel,
03444       stack->nt ? "NT" : "TE",
03445       bc->cause,
03446       bc->out_cause);
03447 
03448    cb_log(2, stack->port,
03449       " --> info_dad:%s dialed numtype:%d plan:%d\n",
03450       bc->info_dad,
03451       bc->dialed.number_type,
03452       bc->dialed.number_plan);
03453 
03454    cb_log(2, stack->port,
03455       " --> caller:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03456       bc->caller.name,
03457       bc->caller.number,
03458       bc->caller.number_type,
03459       bc->caller.number_plan,
03460       bc->caller.presentation,
03461       bc->caller.screening);
03462 
03463    cb_log(2, stack->port,
03464       " --> redirecting-from:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03465       bc->redirecting.from.name,
03466       bc->redirecting.from.number,
03467       bc->redirecting.from.number_type,
03468       bc->redirecting.from.number_plan,
03469       bc->redirecting.from.presentation,
03470       bc->redirecting.from.screening);
03471    cb_log(2, stack->port,
03472       " --> redirecting-to:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03473       bc->redirecting.to.name,
03474       bc->redirecting.to.number,
03475       bc->redirecting.to.number_type,
03476       bc->redirecting.to.number_plan,
03477       bc->redirecting.to.presentation,
03478       bc->redirecting.to.screening);
03479    cb_log(2, stack->port,
03480       " --> redirecting reason:%d count:%d\n",
03481       bc->redirecting.reason,
03482       bc->redirecting.count);
03483 
03484    cb_log(2, stack->port,
03485       " --> connected:\"%s\" <%s> type:%d plan:%d pres:%d screen:%d\n",
03486       bc->connected.name,
03487       bc->connected.number,
03488       bc->connected.number_type,
03489       bc->connected.number_plan,
03490       bc->connected.presentation,
03491       bc->connected.screening);
03492 
03493    cb_log(3, stack->port, " --> caps:%s pi:%x keypad:%s sending_complete:%d\n", bearer2str(bc->capability),bc->progress_indicator, bc->keypad, bc->sending_complete);
03494 
03495    cb_log(4, stack->port, " --> set_pres:%d pres:%d\n", bc->set_presentation, bc->presentation);
03496 
03497    cb_log(4, stack->port, " --> addr:%x l3id:%x b_stid:%x layer_id:%x\n", bc->addr, bc->l3_id, bc->b_stid, bc->layer_id);
03498 
03499    cb_log(4, stack->port, " --> facility in:%s out:%s\n", fac2str(bc->fac_in.Function), fac2str(bc->fac_out.Function));
03500 
03501    cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03502 
03503    cb_log(5, stack->port, " --> bc:%p h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03504 }

int misdn_lib_maxports_get ( void   ) 

Definition at line 4094 of file isdn_lib.c.

Referenced by load_module().

04095 {
04096    /* BE AWARE WE HAVE NO cb_log() HERE! */
04097 
04098    int i = mISDN_open();
04099    int max=0;
04100 
04101    if (i<0)
04102       return -1;
04103 
04104    max = mISDN_get_stack_count(i);
04105 
04106    mISDN_close(i);
04107 
04108    return max;
04109 }

void misdn_lib_nt_debug_init ( int  flags,
char *  file 
)

Definition at line 4124 of file isdn_lib.c.

References f.

Referenced by load_module(), and misdn_lib_init().

04125 {
04126    static int init=0;
04127    char *f;
04128 
04129    if (!flags)
04130       f=NULL;
04131    else
04132       f=file;
04133 
04134    if (!init) {
04135       debug_init( flags , f, f, f);
04136       init=1;
04137    } else {
04138       debug_close();
04139       debug_init( flags , f, f, f);
04140    }
04141 }

void misdn_lib_nt_keepcalls ( int  kc  ) 

Definition at line 4112 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, and misdn_stack::nst.

Referenced by load_module().

04113 {
04114 #ifdef FEATURE_NET_KEEPCALLS
04115    if (kc) {
04116       struct misdn_stack *stack=get_misdn_stack();
04117       for ( ; stack; stack=stack->next) {
04118          stack->nst.feature |= FEATURE_NET_KEEPCALLS;
04119       }
04120    }
04121 #endif
04122 }

int misdn_lib_pid_restart ( int  pid  ) 

Definition at line 3932 of file isdn_lib.c.

References manager_clean_bc(), and manager_find_bc_by_pid().

Referenced by handle_cli_misdn_restart_pid().

03933 {
03934    struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03935 
03936    if (bc) {
03937       manager_clean_bc(bc);
03938    }
03939    return 0;
03940 }

int misdn_lib_port_block ( int  port  ) 

Definition at line 91 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by cb_events(), and handle_cli_misdn_port_block().

00092 {
00093    struct misdn_stack *stack=get_misdn_stack();
00094    for ( ; stack; stack=stack->next) {
00095       if (stack->port == port) {
00096          stack->blocked=1;
00097          return 0;
00098       }
00099    }
00100    return -1;
00101 
00102 }

int misdn_lib_port_is_nt ( int  port  ) 

Definition at line 65 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::nt, and misdn_stack::port.

Referenced by handle_cli_misdn_send_facility(), misdn_update_connected_line(), and misdn_update_redirecting().

00066 {
00067    struct misdn_stack *stack=get_misdn_stack();
00068    for ( ; stack; stack=stack->next) {
00069       if (stack->port == port) {
00070          return stack->nt;
00071       }
00072    }
00073 
00074    return -1;
00075 }

int misdn_lib_port_is_pri ( int  port  ) 

Definition at line 53 of file isdn_lib.c.

References get_misdn_stack(), misdn_stack::next, misdn_stack::port, and misdn_stack::pri.

Referenced by misdn_new(), test_inuse(), and update_name().

00054 {
00055    struct misdn_stack *stack=get_misdn_stack();
00056    for ( ; stack; stack=stack->next) {
00057       if (stack->port == port) {
00058          return stack->pri;
00059       }
00060    }
00061 
00062    return -1;
00063 }

int misdn_lib_port_restart ( int  port  ) 

Definition at line 3982 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, clear_l3(), find_stack_by_port(), misdn_lib_reinit_nt_stack(), misdn_lib::new_msg, misdn_stack::nt, misdn_stack::port, and misdn_stack::upper_id.

Referenced by handle_cli_misdn_restart_port().

03983 {
03984    struct misdn_stack *stack=find_stack_by_port(port);
03985 
03986    cb_log(0, port, "Restarting this port.\n");
03987    if (stack) {
03988       cb_log(0, port, "Stack:%p\n",stack);
03989 
03990       clear_l3(stack);
03991       {
03992          msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03993          iframe_t *frm;
03994 
03995          if (!msg) {
03996             cb_log(0, port, "port_restart: alloc_msg failed\n");
03997             return -1;
03998          }
03999 
04000          frm=(iframe_t*)msg->data;
04001          /* we must activate if we are deactivated */
04002          /* activate bchannel */
04003          frm->prim = DL_RELEASE | REQUEST;
04004          frm->addr = stack->upper_id | FLG_MSG_DOWN;
04005 
04006          frm->dinfo = 0;
04007          frm->len = 0;
04008          msg_queue_tail(&glob_mgr->activatequeue, msg);
04009          sem_post(&glob_mgr->new_msg);
04010       }
04011 
04012       if (stack->nt)
04013          misdn_lib_reinit_nt_stack(stack->port);
04014 
04015    }
04016 
04017    return 0;
04018 }

int misdn_lib_port_unblock ( int  port  ) 

Definition at line 104 of file isdn_lib.c.

References misdn_stack::blocked, get_misdn_stack(), misdn_stack::next, and misdn_stack::port.

Referenced by handle_cli_misdn_port_unblock().

00105 {
00106    struct misdn_stack *stack=get_misdn_stack();
00107    for ( ; stack; stack=stack->next) {
00108       if (stack->port == port) {
00109          stack->blocked=0;
00110          return 0;
00111       }
00112    }
00113    return -1;
00114 
00115 }

int misdn_lib_port_up ( int  port,
int  check 
)

Definition at line 1821 of file isdn_lib.c.

References misdn_stack::blocked, cb_log, misdn_stack::l1link, misdn_stack::l2link, misdn_stack::next, misdn_stack::port, misdn_stack::ptp, and misdn_lib::stack_list.

Referenced by misdn_check_l2l1(), and misdn_request().

01822 {
01823    struct misdn_stack *stack;
01824 
01825 
01826    for (stack=glob_mgr->stack_list;
01827         stack;
01828         stack=stack->next) {
01829 
01830       if (stack->port == port) {
01831 
01832          if (stack->blocked) {
01833             cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01834             return -1;
01835          }
01836 
01837          if (stack->ptp ) {
01838 
01839             if (stack->l1link && stack->l2link) {
01840                return 1;
01841             } else {
01842                cb_log(1,port, "Port Down L2:%d L1:%d\n",
01843                   stack->l2link, stack->l1link);
01844                return 0;
01845             }
01846          } else {
01847             if ( !check || stack->l1link )
01848                return 1;
01849             else {
01850                cb_log(1,port, "Port down PMP\n");
01851                return 0;
01852             }
01853          }
01854       }
01855    }
01856 
01857    return -1;
01858 }

void misdn_lib_reinit_nt_stack ( int  port  ) 

Definition at line 4779 of file isdn_lib.c.

References misdn_stack::blocked, misdn_stack::d_stid, find_stack_by_port(), handle_event_nt(), misdn_stack::l2link, misdn_stack::lower_id, misdn_stack::mgr, misdn_lib::midev, misdn_lib_get_l1_up(), misdn_stack::nst, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by misdn_lib_port_restart().

04780 {
04781    struct misdn_stack *stack=find_stack_by_port(port);
04782 
04783    if (stack) {
04784       stack->l2link=0;
04785       stack->blocked=0;
04786 
04787       cleanup_Isdnl3(&stack->nst);
04788       cleanup_Isdnl2(&stack->nst);
04789 
04790 
04791       memset(&stack->nst, 0, sizeof(net_stack_t));
04792       memset(&stack->mgr, 0, sizeof(manager_t));
04793 
04794       stack->mgr.nst = &stack->nst;
04795       stack->nst.manager = &stack->mgr;
04796 
04797       stack->nst.l3_manager = handle_event_nt;
04798       stack->nst.device = glob_mgr->midev;
04799       stack->nst.cardnr = port;
04800       stack->nst.d_stid = stack->d_stid;
04801 
04802       stack->nst.feature = FEATURE_NET_HOLD;
04803       if (stack->ptp)
04804          stack->nst.feature |= FEATURE_NET_PTP;
04805       if (stack->pri)
04806          stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04807 
04808       stack->nst.l1_id = stack->lower_id; /* never used */
04809       stack->nst.l2_id = stack->upper_id;
04810 
04811       msg_queue_init(&stack->nst.down_queue);
04812 
04813       Isdnl2Init(&stack->nst);
04814       Isdnl3Init(&stack->nst);
04815 
04816       if (!stack->ptp)
04817          misdn_lib_get_l1_up(stack);
04818    }
04819 }

void misdn_lib_release ( struct misdn_bchannel bc  ) 

Definition at line 1759 of file isdn_lib.c.

References cb_log, misdn_bchannel::channel, clean_up_bc(), empty_bc(), empty_chan_in_stack(), get_stack_by_bc(), and misdn_bchannel::in_use.

Referenced by misdn_hangup(), and misdn_request().

01760 {
01761    int channel;
01762    struct misdn_stack *stack=get_stack_by_bc(bc);
01763 
01764    if (!stack) {
01765       cb_log(1,0,"misdn_release: No Stack found\n");
01766       return;
01767    }
01768 
01769    channel = bc->channel;
01770    empty_bc(bc);
01771    clean_up_bc(bc);
01772    if (channel > 0) {
01773       empty_chan_in_stack(stack, channel);
01774    }
01775    bc->in_use=0;
01776 }

int misdn_lib_send_event ( struct misdn_bchannel bc,
enum event_e  event 
)

Definition at line 3523 of file isdn_lib.c.

References misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_BRIDGED, BCHAN_CLEANED, misdn_bchannel::caller, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, misdn_bchannel::channel_found, misdn_bchannel::channel_preselected, clean_up_bc(), misdn_bchannel::conf_id, create_process(), misdn_bchannel::crypt_key, misdn_bchannel::dialed, misdn_stack::downqueue, empty_bc(), empty_chan_in_stack(), ENOCHAN, EVENT_ALERTING, EVENT_CONNECT, EVENT_CONNECT_ACKNOWLEDGE, EVENT_DISCONNECT, EVENT_HOLD_ACKNOWLEDGE, EVENT_PROCEEDING, EVENT_PROGRESS, EVENT_REGISTER, EVENT_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_RETRIEVE_ACKNOWLEDGE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, find_bc_by_confid(), find_free_chan_in_stack(), get_stack_by_bc(), misdn_bchannel::holded, misdn_bchannel::in_use, isdn_get_info(), isdn_msg_build_event(), misdn_stack::l1link, malloc, manager_ec_enable(), manager_ph_control(), manager_ph_control_block(), misdn_lib::midev, misdn_cap_is_speech(), misdn_lib_get_l1_up(), misdn_lib_log_ies(), misdn_send_lock(), misdn_send_unlock(), misdn_split_conf(), msgs_g, misdn_party_id::name, misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_lib::new_msg, misdn_bchannel::nodsp, misdn_bchannel::nt, misdn_stack::nt, misdn_party_dialing::number, misdn_party_id::number, misdn_party_dialing::number_type, misdn_party_id::number_type, misdn_bchannel::out_cause, misdn_bchannel::pid, misdn_stack::port, misdn_bchannel::port, misdn_stack::ptp, RETURN, misdn_bchannel::rxgain, setup_bc(), stack_holder_add(), misdn_bchannel::txgain, and misdn_stack::upper_id.

Referenced by cb_events(), do_immediate_setup(), handle_cli_misdn_send_display(), handle_cli_misdn_send_facility(), handle_event_nt(), handle_event_te(), handle_frm_te(), misdn_answer(), misdn_call(), misdn_digit_end(), misdn_facility_exec(), misdn_facility_ie_handler(), misdn_hangup(), misdn_indication(), misdn_lib_send_restart(), misdn_overlap_dial_task(), misdn_send_text(), misdn_update_connected_line(), misdn_update_redirecting(), start_pbx(), and wait_for_digits().

03524 {
03525    msg_t *msg;
03526    struct misdn_bchannel *bc2;
03527    struct misdn_bchannel *held_bc;
03528    struct misdn_stack *stack;
03529    int retval = 0;
03530    int channel;
03531    int tmpcause;
03532    int tmp_out_cause;
03533 
03534    if (!bc)
03535       RETURN(-1,OUT_POST_UNLOCK);
03536 
03537    stack = get_stack_by_bc(bc);
03538    if (!stack) {
03539       cb_log(0,bc->port,
03540          "SENDEVENT: no Stack for event:%s caller:\"%s\" <%s> dialed:%s \n",
03541          isdn_get_info(msgs_g, event, 0),
03542          bc->caller.name,
03543          bc->caller.number,
03544          bc->dialed.number);
03545       RETURN(-1,OUT);
03546    }
03547 
03548    misdn_send_lock(bc);
03549 
03550 
03551    cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->upperid:%x\n",stack->nt, stack->upper_id);
03552 
03553    if ( stack->nt && !stack->l1link) {
03554       misdn_lib_get_l1_up(stack);
03555    }
03556 
03557    cb_log(1, stack->port,
03558       "I SEND:%s caller:\"%s\" <%s> dialed:%s pid:%d\n",
03559       isdn_get_info(msgs_g, event, 0),
03560       bc->caller.name,
03561       bc->caller.number,
03562       bc->dialed.number,
03563       bc->pid);
03564    cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03565    misdn_lib_log_ies(bc);
03566 
03567    switch (event) {
03568    case EVENT_REGISTER:
03569    case EVENT_SETUP:
03570       if (create_process(glob_mgr->midev, bc) < 0) {
03571          cb_log(0, stack->port, " No free channel at the moment @ send_event\n");
03572 
03573          RETURN(-ENOCHAN,OUT);
03574       }
03575       break;
03576 
03577    case EVENT_PROGRESS:
03578    case EVENT_ALERTING:
03579    case EVENT_PROCEEDING:
03580    case EVENT_SETUP_ACKNOWLEDGE:
03581    case EVENT_CONNECT:
03582       if (!stack->nt) {
03583          if (stack->ptp) {
03584             setup_bc(bc);
03585          }
03586          break;
03587       }
03588       /* fall through */
03589 
03590    case EVENT_RETRIEVE_ACKNOWLEDGE:
03591       if (stack->nt) {
03592          if (bc->channel <=0 ) { /*  else we have the channel already */
03593             if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
03594                cb_log(0, stack->port, " No free channel at the moment\n");
03595                /*FIXME: add disconnect*/
03596                RETURN(-ENOCHAN,OUT);
03597             }
03598          }
03599          /* Its that i generate channels */
03600       }
03601 
03602       retval=setup_bc(bc);
03603       if (retval == -EINVAL) {
03604          cb_log(0,bc->port,"send_event: setup_bc failed\n");
03605       }
03606 
03607       if (misdn_cap_is_speech(bc->capability)) {
03608          if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03609             if ( *bc->crypt_key ) {
03610                cb_log(4, stack->port,
03611                   " --> ENABLING BLOWFISH channel:%d caller%d:\"%s\" <%s> dialed%d:%s\n",
03612                   bc->channel,
03613                   bc->caller.number_type,
03614                   bc->caller.name,
03615                   bc->caller.number,
03616                   bc->dialed.number_type,
03617                   bc->dialed.number);
03618 
03619                manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03620             }
03621 
03622             if (!bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03623             manager_ec_enable(bc);
03624 
03625             if (bc->txgain != 0) {
03626                cb_log(4, stack->port,  "--> Changing txgain to %d\n", bc->txgain);
03627                manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03628             }
03629 
03630             if ( bc->rxgain != 0 ) {
03631                cb_log(4, stack->port,  "--> Changing rxgain to %d\n", bc->rxgain);
03632                manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03633             }
03634          }
03635       }
03636       break;
03637 
03638    case EVENT_HOLD_ACKNOWLEDGE:
03639       held_bc = malloc(sizeof(struct misdn_bchannel));
03640       if (!held_bc) {
03641          cb_log(0, bc->port, "Could not allocate held_bc!!!\n");
03642          RETURN(-1,OUT);
03643       }
03644 
03645       /* backup the bc and put it in storage */
03646       *held_bc = *bc;
03647       held_bc->holded = 1;
03648       held_bc->channel = 0;/* A held call does not have a channel anymore. */
03649       held_bc->channel_preselected = 0;
03650       held_bc->channel_found = 0;
03651       bc_state_change(held_bc, BCHAN_CLEANED);
03652       stack_holder_add(stack, held_bc);
03653 
03654       /* kill the bridge and clean the real b-channel record */
03655       if (stack->nt) {
03656          if (bc->bc_state == BCHAN_BRIDGED) {
03657             misdn_split_conf(bc,bc->conf_id);
03658             bc2 = find_bc_by_confid(bc->conf_id);
03659             if (!bc2) {
03660                cb_log(0,bc->port,"We have no second bc in bridge???\n");
03661             } else {
03662                misdn_split_conf(bc2,bc->conf_id);
03663             }
03664          }
03665 
03666          channel = bc->channel;
03667 
03668          empty_bc(bc);
03669          clean_up_bc(bc);
03670 
03671          if (channel>0)
03672             empty_chan_in_stack(stack,channel);
03673 
03674          bc->in_use=0;
03675       }
03676       break;
03677 
03678    /* finishing the channel eh ? */
03679    case EVENT_DISCONNECT:
03680       if (!bc->need_disconnect) {
03681          cb_log(0, bc->port, " --> we have already sent DISCONNECT\n");
03682          RETURN(-1,OUT);
03683       }
03684       /* IE cause is mandatory for DISCONNECT, but optional for the answers to DISCONNECT.
03685        * We must initialize cause, so it is later correctly indicated to ast_channel
03686        * in case the answer does not include one!
03687        */
03688       bc->cause = bc->out_cause;
03689 
03690       bc->need_disconnect=0;
03691       break;
03692    case EVENT_RELEASE:
03693       if (!bc->need_release) {
03694          cb_log(0, bc->port, " --> we have already sent RELEASE\n");
03695          RETURN(-1,OUT);
03696       }
03697       bc->need_disconnect=0;
03698       bc->need_release=0;
03699       break;
03700    case EVENT_RELEASE_COMPLETE:
03701       if (!bc->need_release_complete) {
03702          cb_log(0, bc->port, " --> we have already sent RELEASE_COMPLETE\n");
03703          RETURN(-1,OUT);
03704       }
03705       bc->need_disconnect=0;
03706       bc->need_release=0;
03707       bc->need_release_complete=0;
03708 
03709       if (!stack->nt) {
03710          /* create cleanup in TE */
03711          channel = bc->channel;
03712          tmpcause = bc->cause;
03713          tmp_out_cause = bc->out_cause;
03714 
03715          empty_bc(bc);
03716          bc->cause=tmpcause;
03717          bc->out_cause=tmp_out_cause;
03718          clean_up_bc(bc);
03719 
03720          if (channel>0)
03721             empty_chan_in_stack(stack,channel);
03722 
03723          bc->in_use=0;
03724       }
03725       break;
03726 
03727    case EVENT_CONNECT_ACKNOWLEDGE:
03728       if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03729          int retval=setup_bc(bc);
03730          if (retval == -EINVAL){
03731             cb_log(0,bc->port,"send_event: setup_bc failed\n");
03732 
03733          }
03734       }
03735 
03736       if (misdn_cap_is_speech(bc->capability)) {
03737          if (  !bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03738          manager_ec_enable(bc);
03739 
03740          if ( bc->txgain != 0 ) {
03741             cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03742             manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03743          }
03744          if ( bc->rxgain != 0 ) {
03745             cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03746             manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03747          }
03748       }
03749       break;
03750 
03751    default:
03752       break;
03753    }
03754 
03755    /* Later we should think about sending bchannel data directly to misdn. */
03756    msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03757    if (!msg) {
03758       /*
03759        * The message was not built.
03760        *
03761        * NOTE:  The only time that the message will fail to build
03762        * is because the requested FACILITY message is not supported.
03763        * A failed malloc() results in exit() being called.
03764        */
03765       RETURN(-1, OUT);
03766    } else {
03767       msg_queue_tail(&stack->downqueue, msg);
03768       sem_post(&glob_mgr->new_msg);
03769    }
03770 
03771 OUT:
03772    misdn_send_unlock(bc);
03773 
03774 OUT_POST_UNLOCK:
03775    return retval;
03776 }

int misdn_lib_send_restart ( int  port,
int  channel 
)

Definition at line 3943 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_log, misdn_bchannel::channel, clean_up_bc(), empty_bc(), EVENT_RESTART, find_stack_by_port(), misdn_bchannel::in_use, misdn_lib_send_event(), misdn_make_dummy(), misdn_stack::nt, and misdn_stack::port.

Referenced by handle_cli_misdn_send_restart(), handle_event_nt(), and handle_frm_te().

03944 {
03945    struct misdn_stack *stack=find_stack_by_port(port);
03946    struct misdn_bchannel dummybc;
03947    /*default is all channels*/
03948    cb_log(0, port, "Sending Restarts on this port.\n");
03949 
03950    misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03951 
03952    /*default is all channels*/
03953    if (channel <0) {
03954       dummybc.channel=-1;
03955       cb_log(0, port, "Restarting and all Interfaces\n");
03956       misdn_lib_send_event(&dummybc, EVENT_RESTART);
03957 
03958       return 0;
03959    }
03960 
03961    /*if a channel is specified we restart only this one*/
03962    if (channel >0) {
03963       int cnt;
03964       dummybc.channel=channel;
03965       cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
03966       misdn_lib_send_event(&dummybc, EVENT_RESTART);
03967       /* clean up chan in stack, to be sure we don't think it's
03968        * in use anymore */
03969       for (cnt=0; cnt<=stack->b_num; cnt++) {
03970          if (stack->bc[cnt].in_use && stack->bc[cnt].channel == channel) {
03971             empty_bc(&stack->bc[cnt]);
03972             clean_up_bc(&stack->bc[cnt]);
03973             stack->bc[cnt].in_use=0;
03974          }
03975       }
03976    }
03977 
03978    return 0;
03979 }

void misdn_lib_send_tone ( struct misdn_bchannel bc,
enum tone_e  tone 
)

Definition at line 4596 of file isdn_lib.c.

References misdn_bchannel::addr, manager_ph_control(), misdn_lib::midev, TONE_ALERTING, TONE_DIAL, TONE_HANGUP, and TONE_NONE.

Referenced by hanguptone_indicate().

04597 {
04598    char buf[mISDN_HEADER_LEN + 128] = "";
04599    iframe_t *frm = (iframe_t*)buf;
04600 
04601    switch(tone) {
04602    case TONE_DIAL:
04603       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE);
04604    break;
04605 
04606    case TONE_ALERTING:
04607       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);
04608    break;
04609 
04610    case TONE_HANGUP:
04611       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);
04612    break;
04613 
04614    case TONE_NONE:
04615    default:
04616       manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);
04617    }
04618 
04619    frm->prim=DL_DATA|REQUEST;
04620    frm->addr=bc->addr|FLG_MSG_DOWN;
04621    frm->dinfo=0;
04622    frm->len=128;
04623 
04624    mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04625 }

void misdn_lib_split_bridge ( struct misdn_bchannel bc1,
struct misdn_bchannel bc2 
)

Definition at line 4751 of file isdn_lib.c.

References bc_state2str(), BCHAN_BRIDGED, cb_log, misdn_bchannel::conf_id, and misdn_split_conf().

Referenced by misdn_bridge().

04752 {
04753 
04754    struct misdn_bchannel *bc_list[]={
04755       bc1,bc2,NULL
04756    };
04757    struct misdn_bchannel **bc;
04758 
04759    for (bc=bc_list; *bc;  bc++) {
04760       if ( (*bc)->bc_state == BCHAN_BRIDGED){
04761          misdn_split_conf( *bc, (*bc)->conf_id);
04762       } else {
04763          cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04764       }
04765    }
04766 
04767 }

void misdn_lib_tone_generator_start ( struct misdn_bchannel bc  ) 

Definition at line 2271 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by misdn_write().

02272 {
02273    bc->generate_tone=1;
02274 }

void misdn_lib_tone_generator_stop ( struct misdn_bchannel bc  ) 

Definition at line 2276 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by start_bc_tones(), and stop_indicate().

02277 {
02278    bc->generate_tone=0;
02279 }

int misdn_lib_tx2misdn_frm ( struct misdn_bchannel bc,
void *  data,
int  len 
)

Definition at line 4382 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::bc_state, bc_state2str(), BCHAN_ACTIVATED, BCHAN_BRIDGED, misdn_bchannel::capability, cb_log, flip_buf_bits(), get_stack_by_bc(), misdn_stack::midev, misdn_cap_is_speech(), misdn_stack::port, and misdn_bchannel::port.

Referenced by misdn_join_conf(), and misdn_write().

04383 {
04384    struct misdn_stack *stack=get_stack_by_bc(bc);
04385    char buf[4096 + mISDN_HEADER_LEN];
04386    iframe_t *frm = (iframe_t*)buf;
04387 
04388    switch (bc->bc_state) {
04389       case BCHAN_ACTIVATED:
04390       case BCHAN_BRIDGED:
04391          break;
04392       default:
04393          cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04394          return -1;
04395    }
04396 
04397    frm->prim = DL_DATA|REQUEST;
04398    frm->dinfo = 0;
04399    frm->addr = bc->addr | FLG_MSG_DOWN ;
04400 
04401    frm->len = len;
04402    memcpy(&buf[mISDN_HEADER_LEN], data,len);
04403 
04404    if ( misdn_cap_is_speech(bc->capability) )
04405       flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04406    else
04407       cb_log(6, stack->port, "Writing %d data bytes\n",len);
04408 
04409    cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04410    mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04411    return 0;
04412 }

void misdn_make_dummy ( struct misdn_bchannel dummybc,
int  port,
int  l3id,
int  nt,
int  channel 
)

Definition at line 77 of file isdn_lib.c.

References misdn_bchannel::channel, misdn_bchannel::dummy, misdn_bchannel::l3_id, misdn_bchannel::nt, and misdn_bchannel::port.

Referenced by handle_cli_misdn_send_facility(), handle_cr(), handle_event_nt(), handle_frm_te(), manager_event_handler(), misdn_lib_send_restart(), and release_cr().

00078 {
00079    memset (dummybc,0,sizeof(struct misdn_bchannel));
00080    dummybc->port=port;
00081    if (l3id==0)
00082       dummybc->l3_id = MISDN_ID_DUMMY;
00083    else
00084       dummybc->l3_id=l3id;
00085 
00086    dummybc->nt=nt;
00087    dummybc->dummy=1;
00088    dummybc->channel=channel;
00089 }

static void misdn_send_lock ( struct misdn_bchannel bc  )  [static]

Definition at line 3509 of file isdn_lib.c.

References send_lock::lock, pthread_mutex_lock, and misdn_bchannel::send_lock.

Referenced by misdn_lib_send_event().

03510 {
03511    //cb_log(0,bc->port,"Locking bc->pid:%d\n", bc->pid);
03512    if (bc->send_lock)
03513       pthread_mutex_lock(&bc->send_lock->lock);
03514 }

static void misdn_send_unlock ( struct misdn_bchannel bc  )  [static]

Definition at line 3516 of file isdn_lib.c.

References send_lock::lock, pthread_mutex_unlock, and misdn_bchannel::send_lock.

Referenced by misdn_lib_send_event().

03517 {
03518    //cb_log(0,bc->port,"UnLocking bc->pid:%d\n", bc->pid);
03519    if (bc->send_lock)
03520       pthread_mutex_unlock(&bc->send_lock->lock);
03521 }

void misdn_split_conf ( struct misdn_bchannel bc,
int  conf_id 
)

Definition at line 4719 of file isdn_lib.c.

References misdn_bchannel::addr, bc_state_change(), BCHAN_ACTIVATED, cb_log, manager_ph_control(), and misdn_bchannel::port.

Referenced by manager_bchannel_deactivate(), misdn_lib_send_event(), and misdn_lib_split_bridge().

04720 {
04721    bc_state_change(bc,BCHAN_ACTIVATED);
04722    manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04723    manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04724 
04725    cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04726 }

void misdn_tx_jitter ( struct misdn_bchannel bc,
int  len 
)

Definition at line 2330 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::bframe, misdn_bchannel::bframe_len, cb_jb_empty, cb_log, misdn_bchannel::channel, errno, flip_buf_bits(), misdn_lib::midev, and misdn_bchannel::port.

Referenced by do_tone(), and handle_bchan().

02331 {
02332    char buf[4096 + mISDN_HEADER_LEN];
02333    char *data=&buf[mISDN_HEADER_LEN];
02334    iframe_t *txfrm= (iframe_t*)buf;
02335    int jlen, r;
02336 
02337    jlen=cb_jb_empty(bc,data,len);
02338 
02339    if (jlen) {
02340 #ifdef MISDN_SAVE_DATA
02341       misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02342 #endif
02343       flip_buf_bits( data, jlen);
02344 
02345       if (jlen < len) {
02346          cb_log(1, bc->port, "Jitterbuffer Underrun. Got %d of expected %d\n", jlen, len);
02347       }
02348 
02349       txfrm->prim = DL_DATA|REQUEST;
02350 
02351       txfrm->dinfo = 0;
02352 
02353       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02354 
02355       txfrm->len =jlen;
02356       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02357 
02358       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02359    } else {
02360 #define MISDN_GEN_SILENCE
02361 #ifdef MISDN_GEN_SILENCE
02362       int cnt=len/TONE_SILENCE_SIZE;
02363       int rest=len%TONE_SILENCE_SIZE;
02364       int i;
02365 
02366       for (i=0; i<cnt; i++) {
02367          memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02368          data +=TONE_SILENCE_SIZE;
02369       }
02370 
02371       if (rest) {
02372          memcpy(data, tone_silence_flip, rest);
02373       }
02374 
02375       txfrm->prim = DL_DATA|REQUEST;
02376 
02377       txfrm->dinfo = 0;
02378 
02379       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02380 
02381       txfrm->len =len;
02382       cb_log(5, bc->port, "Transmitting %d samples of silence to misdn\n", len);
02383 
02384       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02385 #else
02386       r = 0;
02387 #endif
02388    }
02389 
02390    if (r < 0) {
02391       cb_log(1, bc->port, "Error in mISDN_write (%s)\n", strerror(errno));
02392    }
02393 }

static void prepare_bc ( struct misdn_bchannel bc,
int  channel 
) [static]
static int release_cr ( struct misdn_stack stack,
mISDNuser_head_t *  hh 
) [static]

removing procid

Definition at line 1861 of file isdn_lib.c.

References misdn_bchannel::addr, cb_log, find_bc_by_l3id(), handle_cr(), misdn_bchannel::l3_id, misdn_make_dummy(), misdn_stack::nt, misdn_stack::port, misdn_stack::procids, and misdn_stack::upper_id.

Referenced by handle_event_nt().

01862 {
01863    struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01864    struct misdn_bchannel dummybc;
01865    iframe_t frm; /* fake te frm to remove callref from global callreflist */
01866 
01867    frm.dinfo = hh->dinfo;
01868    frm.addr=stack->upper_id | FLG_MSG_DOWN;
01869    frm.prim = CC_RELEASE_CR|INDICATION;
01870    cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Release_cr for %x l3id:%x\n",frm.addr, frm.dinfo);
01871 
01872    /** removing procid **/
01873    if (!bc) {
01874       cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01875       misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
01876       bc=&dummybc;
01877    }
01878 
01879    if ((bc->l3_id & 0xff00) == 0xff00) {
01880       cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id & 0xff);
01881       stack->procids[bc->l3_id & 0xff] = 0;
01882    }
01883 
01884    if (handle_cr(stack, &frm)<0) {
01885    }
01886 
01887    return 0 ;
01888 }

static int send_msg ( int  midev,
struct misdn_bchannel bc,
msg_t *  dmsg 
) [static]

Definition at line 410 of file isdn_lib.c.

References cb_log, get_stack_by_bc(), misdn_bchannel::l3_id, and misdn_bchannel::port.

Referenced by manager_event_handler().

00411 {
00412    iframe_t *frm = (iframe_t *)dmsg->data;
00413    struct misdn_stack *stack=get_stack_by_bc(bc);
00414 
00415    if (!stack) {
00416       cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00417       return -1;
00418    }
00419 
00420    frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00421    frm->dinfo = bc->l3_id;
00422    frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00423 
00424    cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00425 
00426    mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00427    free_msg(dmsg);
00428 
00429    return 0;
00430 }

static int set_chan_in_stack ( struct misdn_stack stack,
int  channel 
) [static]

Definition at line 492 of file isdn_lib.c.

References ARRAY_LEN, cb_log, misdn_stack::channels, dump_chan_list(), and misdn_stack::port.

Referenced by find_free_chan_in_stack().

00493 {
00494    cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00495    dump_chan_list(stack);
00496    if (1 <= channel && channel <= ARRAY_LEN(stack->channels)) {
00497       if (!stack->channels[channel-1])
00498          stack->channels[channel-1] = 1;
00499       else {
00500          cb_log(4,stack->port,"channel already in use:%d\n", channel );
00501          return -1;
00502       }
00503    } else {
00504       cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00505       return -1;
00506    }
00507 
00508    return 0;
00509 }

static int setup_bc ( struct misdn_bchannel bc  )  [static]

Definition at line 1038 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::b_num, misdn_bchannel::b_stid, misdn_stack::b_stids, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_ACTIVATED, BCHAN_CLEANED, BCHAN_ERROR, buff, cb_event, cb_log, misdn_bchannel::channel, errno, EVENT_BCHAN_ERROR, get_stack_by_bc(), misdn_bchannel::hdlc, ISDN_PID_L3_B_USER, ISDN_PID_L4_B_USER, misdn_bchannel::layer, misdn_bchannel::layer_id, manager_bchannel_activate(), misdn_stack::midev, misdn_bchannel::nodsp, misdn_stack::port, misdn_bchannel::port, and misdn_lib::user_data.

Referenced by handle_event_te(), and misdn_lib_send_event().

01039 {
01040    unsigned char buff[1025];
01041    int midev;
01042    int channel;
01043    int b_stid;
01044    int i;
01045    mISDN_pid_t pid;
01046    int ret;
01047 
01048    struct misdn_stack *stack=get_stack_by_bc(bc);
01049 
01050    if (!stack) {
01051       cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
01052       return -1;
01053    }
01054 
01055    midev = stack->midev;
01056    channel = bc->channel - 1 - (bc->channel > 16);
01057    b_stid = stack->b_stids[channel >= 0 ? channel : 0];
01058 
01059    switch (bc->bc_state) {
01060       case BCHAN_CLEANED:
01061          break;
01062       default:
01063          cb_log(4, stack->port, "$$$ bc already setup stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
01064          return -1;
01065    }
01066 
01067    cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
01068 
01069    /*check if the b_stid is already initialized*/
01070    for (i=0; i <= stack->b_num; i++) {
01071       if (stack->bc[i].b_stid == b_stid) {
01072          cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid);
01073          return -1;
01074       }
01075    }
01076 
01077    if (b_stid <= 0) {
01078       cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
01079 
01080       bc_state_change(bc,BCHAN_ERROR);
01081       return 1;
01082    }
01083 
01084    bc->b_stid = b_stid;
01085 
01086    {
01087       layer_info_t li;
01088       memset(&li, 0, sizeof(li));
01089 
01090       li.object_id = -1;
01091       li.extentions = 0;
01092 
01093       li.st = bc->b_stid; /*  given idx */
01094 
01095 
01096 #define MISDN_DSP
01097 #ifndef MISDN_DSP
01098       bc->nodsp=1;
01099 #endif
01100       if ( bc->hdlc || bc->nodsp) {
01101          cb_log(4, stack->port,"setup_bc: without dsp\n");
01102          {
01103             int l = sizeof(li.name);
01104             strncpy(li.name, "B L3", l);
01105             li.name[l-1] = 0;
01106          }
01107          li.pid.layermask = ISDN_LAYER((3));
01108          li.pid.protocol[3] = ISDN_PID_L3_B_USER;
01109 
01110          bc->layer=3;
01111       } else {
01112          cb_log(4, stack->port,"setup_bc: with dsp\n");
01113          {
01114             int l = sizeof(li.name);
01115             strncpy(li.name, "B L4", l);
01116             li.name[l-1] = 0;
01117          }
01118          li.pid.layermask = ISDN_LAYER((4));
01119          li.pid.protocol[4] = ISDN_PID_L4_B_USER;
01120 
01121          bc->layer=4;
01122       }
01123 
01124       ret = mISDN_new_layer(midev, &li);
01125       if (ret ) {
01126          cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01127 
01128          bc_state_change(bc,BCHAN_ERROR);
01129          return(-EINVAL);
01130       }
01131 
01132       bc->layer_id = li.id;
01133    }
01134 
01135    memset(&pid, 0, sizeof(pid));
01136 
01137 
01138 
01139    cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01140 
01141    if (bc->nodsp && !bc->hdlc) {
01142       cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01143       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01144       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01145       pid.protocol[3] = ISDN_PID_L3_B_USER;
01146       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01147 
01148    } else if ( bc->hdlc ) {
01149       cb_log(2, stack->port," --> HDLC Mode\n");
01150       pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01151       pid.protocol[2] = ISDN_PID_L2_B_TRANS  ;
01152       pid.protocol[3] = ISDN_PID_L3_B_USER;
01153       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01154    } else {
01155       cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01156       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01157       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01158       pid.protocol[3] = ISDN_PID_L3_B_DSP;
01159       pid.protocol[4] = ISDN_PID_L4_B_USER;
01160       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01161 
01162    }
01163 
01164    ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01165 
01166    if (ret){
01167       cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01168 
01169       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01170 
01171       bc_state_change(bc,BCHAN_ERROR);
01172       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01173       return(-EINVAL);
01174    }
01175 
01176    ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01177 
01178    if (ret) {
01179       cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01180       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01181 
01182       bc_state_change(bc,BCHAN_ERROR);
01183       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01184       return(-EINVAL);
01185    }
01186 
01187    ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01188 
01189    bc->addr = ret>0? ret : 0;
01190 
01191    if (!bc->addr) {
01192       cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01193       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01194 
01195       bc_state_change(bc,BCHAN_ERROR);
01196       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01197       return (-EINVAL);
01198    }
01199 
01200    manager_bchannel_activate(bc);
01201 
01202    bc_state_change(bc,BCHAN_ACTIVATED);
01203 
01204    return 0;
01205 }

static void stack_destroy ( struct misdn_stack stack  )  [static]

Definition at line 1454 of file isdn_lib.c.

References misdn_stack::midev, misdn_stack::nst, misdn_stack::nstlock, misdn_stack::nt, pthread_mutex_destroy, misdn_stack::st_lock, and misdn_stack::upper_id.

Referenced by misdn_lib_destroy(), and misdn_lib_init().

01455 {
01456    char buf[1024];
01457    if (!stack) return;
01458 
01459    if (stack->nt) {
01460       pthread_mutex_destroy(&stack->nstlock);
01461       cleanup_Isdnl2(&stack->nst);
01462       cleanup_Isdnl3(&stack->nst);
01463    }
01464 
01465    if (stack->upper_id)
01466       mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01467 
01468    pthread_mutex_destroy(&stack->st_lock);
01469 }

void stack_holder_add ( struct misdn_stack stack,
struct misdn_bchannel holder 
)

Definition at line 4503 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, misdn_stack::port, and misdn_bchannel::stack_holder.

Referenced by misdn_lib_send_event().

04504 {
04505    struct misdn_bchannel *help;
04506    cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04507 
04508    holder->stack_holder=1;
04509    holder->next=NULL;
04510 
04511    if (!stack->holding) {
04512       stack->holding = holder;
04513       return;
04514    }
04515 
04516    for (help=stack->holding;
04517         help;
04518         help=help->next) {
04519       if (!help->next) {
04520          help->next=holder;
04521          break;
04522       }
04523    }
04524 
04525 }

struct misdn_bchannel * stack_holder_find ( struct misdn_stack stack,
unsigned long  l3id 
) [read]

Definition at line 4553 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, and misdn_stack::port.

Referenced by find_bc_by_l3id(), find_bc_by_masked_l3id(), handle_event_nt(), and misdn_lib_find_held_bc().

04554 {
04555    struct misdn_bchannel *help;
04556 
04557    cb_log(4, stack->port, "*HOLDER: find %lx\n",l3id);
04558 
04559    for (help=stack->holding;
04560         help;
04561         help=help->next) {
04562       if (help->l3_id == l3id) {
04563          cb_log(4,stack->port, "*HOLDER: found bc\n");
04564          return help;
04565       }
04566    }
04567 
04568    cb_log(4,stack->port, "*HOLDER: find nothing\n");
04569    return NULL;
04570 }

void stack_holder_remove ( struct misdn_stack stack,
struct misdn_bchannel holder 
)

Definition at line 4527 of file isdn_lib.c.

References cb_log, misdn_stack::holding, misdn_bchannel::l3_id, misdn_bchannel::next, misdn_stack::port, and misdn_bchannel::stack_holder.

Referenced by handle_cr(), and handle_event_nt().

04528 {
04529    struct misdn_bchannel *h1;
04530 
04531    if (!holder->stack_holder) return;
04532 
04533    holder->stack_holder=0;
04534 
04535    cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04536    if (!stack || ! stack->holding) return;
04537 
04538    if (holder == stack->holding) {
04539       stack->holding = stack->holding->next;
04540       return;
04541    }
04542 
04543    for (h1=stack->holding;
04544         h1;
04545         h1=h1->next) {
04546       if (h1->next == holder) {
04547          h1->next=h1->next->next;
04548          return ;
04549       }
04550    }
04551 }

static struct misdn_stack* stack_init ( int  midev,
int  port,
int  ptp 
) [static, read]

Definition at line 1274 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::b_stids, buff, calloc, cb_log, misdn_stack::d_stid, misdn_stack::downqueue, free, handle_event_nt(), misdn_stack::holding, misdn_stack::l1link, misdn_stack::l2link, misdn_stack::lower_id, misdn_stack::mgr, misdn_stack::midev, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_lib_get_short_status(), misdn_stack::nst, misdn_stack::nstlock, misdn_stack::nt, misdn_stack::port, misdn_stack::pri, pthread_mutex_init, misdn_stack::ptp, misdn_stack::st_lock, and misdn_stack::upper_id.

Referenced by misdn_lib_init().

01275 {
01276    int ret;
01277    unsigned char buff[1025];
01278    iframe_t *frm = (iframe_t *)buff;
01279    stack_info_t *stinf;
01280    struct misdn_stack *stack;
01281    int i;
01282    layer_info_t li;
01283 
01284    stack = calloc(1, sizeof(struct misdn_stack));
01285    if (!stack) {
01286       return NULL;
01287    }
01288 
01289    cb_log(8, port, "Init. Stack.\n");
01290 
01291    stack->port=port;
01292    stack->midev=midev;
01293    stack->ptp=ptp;
01294 
01295    stack->holding=NULL;
01296    stack->pri=0;
01297 
01298    msg_queue_init(&stack->downqueue);
01299 
01300    pthread_mutex_init(&stack->st_lock, NULL);
01301 
01302    /* query port's requirements */
01303    ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01304    if (ret < 0) {
01305       cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01306       free(stack);
01307       return(NULL);
01308    }
01309 
01310    stinf = (stack_info_t *)&frm->data.p;
01311 
01312    stack->d_stid = stinf->id;
01313    stack->b_num = stinf->childcnt;
01314 
01315    for (i=0; i<=stinf->childcnt; i++)
01316       stack->b_stids[i] = stinf->child[i];
01317 
01318    switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01319    case ISDN_PID_L0_TE_S0:
01320       cb_log(8, port, "TE Stack\n");
01321       stack->nt=0;
01322       break;
01323    case ISDN_PID_L0_NT_S0:
01324       cb_log(8, port, "NT Stack\n");
01325       stack->nt=1;
01326       break;
01327    case ISDN_PID_L0_TE_E1:
01328       cb_log(8, port, "TE S2M Stack\n");
01329       stack->nt=0;
01330       stack->pri=1;
01331       break;
01332    case ISDN_PID_L0_NT_E1:
01333       cb_log(8, port, "NT S2M Stack\n");
01334       stack->nt=1;
01335       stack->pri=1;
01336       break;
01337    default:
01338       cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01339 
01340    }
01341 
01342    if (!stack->nt) {
01343       if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) {
01344          stack->ptp = 1;
01345       } else {
01346          stack->ptp = 0;
01347       }
01348    }
01349 
01350    {
01351       int ret;
01352       int nt=stack->nt;
01353 
01354       memset(&li, 0, sizeof(li));
01355       {
01356          int l = sizeof(li.name);
01357          strncpy(li.name,nt?"net l2":"user l4", l);
01358          li.name[l-1] = 0;
01359       }
01360       li.object_id = -1;
01361       li.extentions = 0;
01362       li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01363       li.pid.layermask = ISDN_LAYER((nt?2:4));
01364       li.st = stack->d_stid;
01365 
01366 
01367       ret = mISDN_new_layer(midev, &li);
01368       if (ret) {
01369          cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01370          free(stack);
01371          return(NULL);
01372       }
01373 
01374 
01375       ret = mISDN_register_layer(midev, stack->d_stid, li.id);
01376       if (ret)
01377       {
01378          cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01379          free(stack);
01380          return(NULL);
01381       }
01382 
01383       stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3);
01384       if (stack->lower_id < 0) {
01385          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01386          free(stack);
01387          return(NULL);
01388       }
01389 
01390       stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01391       if (stack->upper_id < 0) {
01392          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?2:4);
01393          free(stack);
01394          return(NULL);
01395       }
01396 
01397       /* create nst (nt-mode only) */
01398       if (nt) {
01399 
01400          memset(&stack->nst, 0, sizeof(net_stack_t));
01401          memset(&stack->mgr, 0, sizeof(manager_t));
01402 
01403          stack->mgr.nst = &stack->nst;
01404          stack->nst.manager = &stack->mgr;
01405 
01406          stack->nst.l3_manager = handle_event_nt;
01407          stack->nst.device = midev;
01408          stack->nst.cardnr = port;
01409          stack->nst.d_stid = stack->d_stid;
01410 
01411          stack->nst.feature = FEATURE_NET_HOLD;
01412          if (stack->ptp)
01413             stack->nst.feature |= FEATURE_NET_PTP;
01414          if (stack->pri)
01415             stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01416 
01417          stack->nst.l1_id = stack->lower_id; /* never used */
01418          stack->nst.l2_id = stack->upper_id;
01419 
01420          msg_queue_init(&stack->nst.down_queue);
01421          pthread_mutex_init(&stack->nstlock, NULL);
01422 
01423          Isdnl2Init(&stack->nst);
01424          Isdnl3Init(&stack->nst);
01425 
01426       }
01427 
01428       stack->l1link=0;
01429       stack->l2link=0;
01430 #if 0
01431       if (!stack->nt) {
01432          misdn_lib_get_short_status(stack);
01433       } else {
01434          misdn_lib_get_l1_up(stack);
01435          if (!stack->ptp) misdn_lib_get_l1_up(stack);
01436          misdn_lib_get_l2_up(stack);
01437       }
01438 #endif
01439 
01440       misdn_lib_get_short_status(stack);
01441       misdn_lib_get_l1_up(stack);
01442       /* handle_l1 will start L2 for NT. */
01443       if (!stack->nt) {
01444          misdn_lib_get_l2_up(stack);
01445       }
01446    }
01447 
01448    cb_log(8, port, "stack_init: lowerId:%x upperId:%x\n", stack->lower_id, stack->upper_id);
01449 
01450    return stack;
01451 }

void te_lib_destroy ( int  midev  ) 

Definition at line 3142 of file isdn_lib.c.

References cb_log.

Referenced by misdn_lib_destroy(), and misdn_lib_init().

03143 {
03144    char buf[1024];
03145    mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03146 
03147    cb_log(4, 0, "Entity deleted\n");
03148    mISDN_close(midev);
03149    cb_log(4, 0, "midev closed\n");
03150 }

static int te_lib_init ( void   )  [static]

App Interface

Definition at line 3116 of file isdn_lib.c.

References buff, errno, and misdn_lib::midev.

Referenced by misdn_lib_init().

03117 {
03118    char buff[1025] = "";
03119    iframe_t *frm = (iframe_t *) buff;
03120    int midev;
03121    int ret;
03122 
03123    midev = mISDN_open();
03124    if (midev <= 0) {
03125       return midev;
03126    }
03127 
03128    /* create entity for layer 3 TE-mode */
03129    mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03130 
03131    ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03132    entity = frm->dinfo & 0xffff;
03133    if (ret < mISDN_HEADER_LEN || !entity) {
03134       fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n", strerror(errno));
03135       mISDN_close(midev);
03136       return -1;
03137    }
03138 
03139    return midev;
03140 }

static int test_inuse ( struct misdn_bchannel bc  )  [static]

Definition at line 3168 of file isdn_lib.c.

References misdn_bchannel::b_stid, cb_log, misdn_bchannel::in_use, misdn_bchannel::last_used, misdn_lib_port_is_pri(), and misdn_bchannel::port.

Referenced by misdn_lib_get_free_bc().

03169 {
03170    struct timeval now;
03171 
03172    if (!bc->in_use) {
03173       gettimeofday(&now, NULL);
03174       if (bc->last_used.tv_sec == now.tv_sec
03175          && misdn_lib_port_is_pri(bc->port)) {
03176          cb_log(2, bc->port, "channel with stid:%x for one second still in use! (n:%d lu:%d)\n",
03177             bc->b_stid, (int) now.tv_sec, (int) bc->last_used.tv_sec);
03178          return 1;
03179       }
03180 
03181       cb_log(3,bc->port, "channel with stid:%x not in use!\n", bc->b_stid);
03182       return 0;
03183    }
03184 
03185    cb_log(2,bc->port, "channel with stid:%x in use!\n", bc->b_stid);
03186    return 1;
03187 }


Variable Documentation

enum event_response_e(* cb_event)(enum event_e event, struct misdn_bchannel *bc, void *user_data)
int(* cb_jb_empty)(struct misdn_bchannel *bc, char *buffer, int len)

Referenced by misdn_lib_init(), and misdn_tx_jitter().

void(* cb_log)(int level, int port, char *tmpl,...)

Referenced by bc_next_state_change(), bc_state_change(), build_connect(), build_disconnect(), build_release(), build_release_complete(), build_restart(), build_setup(), cb_events(), clean_up_bc(), config_jitterbuffer(), create_process(), dec_ie_facility(), dump_chan_list(), empty_chan_in_stack(), fetch_msg(), find_free_chan_in_stack(), handle_bchan(), handle_cr(), handle_err(), handle_event_nt(), handle_event_te(), handle_frm_nt(), handle_frm_te(), handle_l1(), handle_l2(), handle_mgmt(), handle_timers(), hangup_chan(), init_bc(), isdn_msg_get_index_by_event(), manager_bchannel_activate(), manager_bchannel_deactivate(), manager_ec_disable(), manager_ec_enable(), manager_event_handler(), manager_isdn_handler(), manager_ph_control(), misdn_join_conf(), misdn_lib_bridge(), misdn_lib_destroy(), misdn_lib_echo(), misdn_lib_get_free_bc(), misdn_lib_get_l1_down(), misdn_lib_get_l1_up(), misdn_lib_get_port_info(), misdn_lib_init(), misdn_lib_isdn_event_catcher(), misdn_lib_isdn_l1watcher(), misdn_lib_log_ies(), misdn_lib_port_restart(), misdn_lib_port_up(), misdn_lib_release(), misdn_lib_send_event(), misdn_lib_send_restart(), misdn_lib_split_bridge(), misdn_lib_tx2misdn_frm(), misdn_split_conf(), misdn_tasks_destroy(), misdn_tx_jitter(), misdn_write(), parse_facility(), parse_release_complete(), parse_restart(), parse_setup(), release_cr(), send_msg(), set_chan_in_stack(), set_channel(), setup_bc(), stack_holder_add(), stack_holder_find(), stack_holder_remove(), stack_init(), te_lib_destroy(), and test_inuse().

int entity [static]

Definition at line 259 of file isdn_lib.c.

Referenced by ast_xml_escape().

char flip_table[256] [static]

Definition at line 319 of file isdn_lib.c.

struct misdn_lib* glob_mgr [static]

Definition at line 261 of file isdn_lib.c.

enum global_states global_state = MISDN_INITIALIZING [static]

Definition at line 199 of file isdn_lib.c.

sem_t handler_started [static]

Definition at line 4022 of file isdn_lib.c.

struct isdn_msg msgs_g[]

Msg Array

Definition at line 1633 of file isdn_msg_parser.c.

Referenced by handle_event_nt(), handle_frm_te(), manager_isdn_get_info(), and misdn_lib_send_event().

int mypid = 1 [static]

Definition at line 433 of file isdn_lib.c.

int new_te_id = 0 [static]

Definition at line 874 of file isdn_lib.c.

int nt_err_cnt = 0 [static]

Definition at line 192 of file isdn_lib.c.

char tone_425_flip[TONE_425_SIZE] [static]

Definition at line 263 of file isdn_lib.c.

char tone_silence_flip[TONE_SILENCE_SIZE] [static]

Definition at line 264 of file isdn_lib.c.


Generated on 17 Aug 2018 for Asterisk - The Open Source Telephony Project by  doxygen 1.6.1