Thu Feb 5 16:26:15 2009

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 MAXPROCS   0x100
#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 int 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_channel (int port, int channel)
misdn_bchannelfind_bc_by_confid (unsigned long confid)
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 struct misdn_bchannelfind_bc_holded (struct misdn_stack *stack)
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)
misdn_stackget_misdn_stack (void)
void get_show_stack_details (int port, char *buf)
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 (struct misdn_bchannel *bc, enum event_e event, iframe_t *frm)
static int handle_event_nt (void *dat, void *arg)
static int handle_frm (msg_t *msg)
static int handle_frm_nt (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, char *msn, int firsttime)
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)
misdn_bchannelmanager_find_bc_by_pid (int pid)
misdn_bchannelmanager_find_bc_holded (struct misdn_bchannel *bc)
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 ()
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)
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_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_setup_bc (struct misdn_bchannel *bc)
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)
void misdn_lib_transfer (struct misdn_bchannel *holded_bc)
int misdn_lib_tx2misdn_frm (struct misdn_bchannel *bc, void *data, int len)
static 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)
int queue_cleanup_bc (struct misdn_bchannel *bc)
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)
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)
misdn_bchannelstack_holder_find (struct misdn_stack *stack, unsigned long l3id)
misdn_bchannelstack_holder_find_bychan (struct misdn_stack *stack, int chan)
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)
int te_lib_init (void)
static int test_inuse (struct misdn_bchannel *bc)

Variables

static int entity
static char flip_table [256]
static struct misdn_libglob_mgr
static enum global_states global_state = MISDN_INITIALIZING
sem_t handler_started
isdn_msg msgs_g []
static int mypid = 1
static int new_te_id = 0
static int nt_err_cnt = 0
char tone_425_flip [TONE_425_SIZE]
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 32 of file isdn_lib.c.

#define ECHOCAN_OFF   124

Definition at line 207 of file isdn_lib.c.

Referenced by manager_ec_disable().

#define ECHOCAN_ON   123

Definition at line 206 of file isdn_lib.c.

Referenced by manager_ec_enable().

#define ISDN_PID_L3_B_USER   0x430000ff

Definition at line 229 of file isdn_lib.c.

#define ISDN_PID_L4_B_USER   0x440000ff

Definition at line 230 of file isdn_lib.c.

#define MAXPROCS   0x100

Definition at line 774 of file isdn_lib.c.

Referenced by create_process().

#define MISDN_DEBUG   0

Definition at line 210 of file isdn_lib.c.

#define MISDN_DSP

#define MISDN_GEN_SILENCE

#define MISDN_IBUF_SIZE   512

Definition at line 233 of file isdn_lib.c.

Referenced by init_bc().

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

Definition at line 3323 of file isdn_lib.c.

Referenced by misdn_lib_send_event().

#define TONE_ALERT_CNT   41

Definition at line 236 of file isdn_lib.c.

#define TONE_ALERT_SILENCE_CNT   200

Definition at line 237 of file isdn_lib.c.

#define TONE_BUSY_CNT   20

Definition at line 239 of file isdn_lib.c.

#define TONE_BUSY_SILENCE_CNT   48

Definition at line 240 of file isdn_lib.c.


Enumeration Type Documentation

enum global_states

Enumerator:
MISDN_INITIALIZING 
MISDN_INITIALIZED 

Definition at line 169 of file isdn_lib.c.

00169                    {
00170    MISDN_INITIALIZING,
00171    MISDN_INITIALIZED
00172 } ;


Function Documentation

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

Definition at line 611 of file isdn_lib.c.

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

Referenced by misdn_lib_bridge().

00612 {
00613    cb_log(5,bc->port,"BC_NEXT_STATE_CHANGE: from:%s to:%s\n",
00614           bc_state2str(bc->next_bc_state),
00615           bc_state2str(state) );
00616 
00617    bc->next_bc_state=state;
00618 }

char* bc_state2str ( enum bchannel_state  state  ) 

Definition at line 562 of file isdn_lib.c.

References BCHAN_ACTIVATED, BCHAN_ACTIVE, BCHAN_BRIDGE, BCHAN_BRIDGED, BCHAN_CLEAN, BCHAN_CLEAN_REQUEST, BCHAN_CLEANED, BCHAN_EMPTY, BCHAN_ERROR, BCHAN_RELEASE, BCHAN_RELEASED, BCHAN_SETUP, BCHAN_SETUPED, and s.

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

00562                                               {
00563    int i;
00564    
00565    struct bchan_state_s {
00566       char *n;
00567       enum bchannel_state s;
00568    } states[] = {
00569       {"BCHAN_CLEANED", BCHAN_CLEANED },
00570       {"BCHAN_EMPTY", BCHAN_EMPTY},
00571       {"BCHAN_SETUP", BCHAN_SETUP},
00572       {"BCHAN_SETUPED", BCHAN_SETUPED},
00573       {"BCHAN_ACTIVE", BCHAN_ACTIVE},
00574       {"BCHAN_ACTIVATED", BCHAN_ACTIVATED},
00575       {"BCHAN_BRIDGE",  BCHAN_BRIDGE},
00576       {"BCHAN_BRIDGED", BCHAN_BRIDGED},
00577       {"BCHAN_RELEASE", BCHAN_RELEASE},
00578       {"BCHAN_RELEASED", BCHAN_RELEASED},
00579       {"BCHAN_CLEAN", BCHAN_CLEAN},
00580       {"BCHAN_CLEAN_REQUEST", BCHAN_CLEAN_REQUEST},
00581       {"BCHAN_ERROR", BCHAN_ERROR}
00582    };
00583    
00584    for (i=0; i< sizeof(states)/sizeof(struct bchan_state_s); i++)
00585       if ( states[i].s == state)
00586          return states[i].n;
00587 
00588    return "UNKNOWN";
00589 }

void bc_state_change ( struct misdn_bchannel bc,
enum bchannel_state  state 
)

Definition at line 591 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(), handle_bchan(), handle_frm(), init_bc(), manager_bchannel_deactivate(), misdn_join_conf(), misdn_lib_send_event(), and misdn_split_conf().

00592 {
00593    cb_log(5,bc->port,"BC_STATE_CHANGE: l3id:%x from:%s to:%s\n",
00594       bc->l3_id,
00595           bc_state2str(bc->bc_state),
00596           bc_state2str(state) );
00597    
00598    switch (state) {
00599       case BCHAN_ACTIVATED:
00600          if (bc->next_bc_state ==  BCHAN_BRIDGED) {
00601             misdn_join_conf(bc, bc->conf_id);
00602             bc->next_bc_state = BCHAN_EMPTY;
00603             return;
00604          }
00605       default:
00606          bc->bc_state=state;
00607          break;
00608    }
00609 }

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 275 of file isdn_lib.c.

References INFO_CAPABILITY_AUDIO_3_1K, INFO_CAPABILITY_DIGITAL_RESTRICTED, INFO_CAPABILITY_DIGITAL_UNRESTRICTED, and INFO_CAPABILITY_SPEECH.

00275                                  {
00276    static char *bearers[]={
00277       "Speech",
00278       "Audio 3.1k",
00279       "Unres Digital",
00280       "Res Digital",
00281       "Unknown Bearer"
00282    };
00283    
00284    switch (cap) {
00285    case INFO_CAPABILITY_SPEECH:
00286       return bearers[0];
00287       break;
00288    case INFO_CAPABILITY_AUDIO_3_1K:
00289       return bearers[1];
00290       break;
00291    case INFO_CAPABILITY_DIGITAL_UNRESTRICTED:
00292       return bearers[2];
00293       break;
00294    case INFO_CAPABILITY_DIGITAL_RESTRICTED:
00295       return bearers[3];
00296       break;
00297    default:
00298       return bearers[4];
00299       break;
00300    }
00301 }

static int clean_up_bc ( struct misdn_bchannel bc  )  [static]

Definition at line 718 of file isdn_lib.c.

References misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::bc_state, bc_state_change(), BCHAN_CLEANED, 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_bchan(), handle_cr(), handle_event_nt(), handle_frm(), manager_event_handler(), misdn_lib_release(), misdn_lib_send_event(), misdn_lib_send_restart(), and misdn_lib_setup_bc().

00719 {
00720    int ret=0;
00721    unsigned char buff[32];
00722    struct misdn_stack * stack;
00723 
00724    cb_log(3, bc?bc->port:0, "$$$ CLEANUP CALLED pid:%d\n", bc?bc->pid:-1);
00725    
00726    if (!bc  ) return -1;
00727    stack=get_stack_by_bc(bc);
00728    
00729    if (!stack) return -1;
00730    
00731    switch (bc->bc_state ) {
00732    case BCHAN_CLEANED:
00733       cb_log(5, stack->port, "$$$ Already cleaned up bc with stid :%x\n", bc->b_stid);
00734       return -1;
00735       
00736    default:
00737       break;
00738    }
00739    
00740    cb_log(2, stack->port, "$$$ Cleaning up bc with stid :%x pid:%d\n", bc->b_stid, bc->pid);
00741    
00742    manager_ec_disable(bc);
00743 
00744    manager_bchannel_deactivate(bc);
00745 
00746    mISDN_write_frame(stack->midev, buff, bc->layer_id|FLG_MSG_TARGET|FLG_MSG_DOWN, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
00747    
00748    bc->b_stid = 0;
00749    bc_state_change(bc, BCHAN_CLEANED);
00750    
00751    return ret;
00752 }

static void clear_l3 ( struct misdn_stack stack  )  [static]

Definition at line 756 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_event, clean_up_bc(), empty_bc(), empty_chan_in_stack(), EVENT_CLEANUP, global_state, and MISDN_INITIALIZED.

Referenced by handle_mgmt(), and misdn_lib_port_restart().

00757 {
00758    int i;
00759 
00760    for (i=0; i<=stack->b_num; i++) {
00761       if (global_state == MISDN_INITIALIZED)  {
00762          cb_event(EVENT_CLEANUP, &stack->bc[i], NULL); 
00763          empty_chan_in_stack(stack,i+1);
00764          empty_bc(&stack->bc[i]);
00765          clean_up_bc(&stack->bc[i]);
00766          stack->bc[i].in_use = 0;
00767       }
00768       
00769    } 
00770 }

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

Definition at line 334 of file isdn_lib.c.

Referenced by misdn_lib_get_l2_down(), and misdn_lib_get_l2_up().

00335 {
00336    int i = 0;
00337    msg_t *dmsg;
00338   
00339    while(i < 10)
00340    {
00341       dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00342       if (dmsg)
00343          return(dmsg);
00344       
00345       if (!i)
00346          printf("cannot allocate memory, trying again...\n");
00347       i++;
00348       usleep(300000);
00349    }
00350    printf("cannot allocate memory, system overloaded.\n");
00351    exit(-1);
00352 }

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

Definition at line 356 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().

00357 {
00358    int i = 0;
00359    msg_t *dmsg;
00360    Q931_info_t *qi;
00361    iframe_t *frm;
00362   
00363    if (!ntmode)
00364       size = sizeof(Q931_info_t)+2;
00365   
00366    while(i < 10) {
00367       if (ntmode) {
00368          dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00369          if (dmsg) {
00370             return(dmsg);
00371          }
00372       } else {
00373          dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00374          if (dmsg)
00375          {
00376             memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00377             frm = (iframe_t *)dmsg->data;
00378             frm->prim = prim;
00379             frm->dinfo = dinfo;
00380             qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00381             qi->type = mt;
00382             return(dmsg);
00383          }
00384       }
00385     
00386       if (!i) printf("cannot allocate memory, trying again...\n");
00387       i++;
00388       usleep(300000);
00389    }
00390    printf("cannot allocate memory, system overloaded.\n");
00391    exit(-1);
00392 }

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

Definition at line 888 of file isdn_lib.c.

References misdn_stack::bc, cb_log, misdn_bchannel::channel, misdn_bchannel::channel_preselected, find_free_chan_in_stack(), get_stack_by_bc(), misdn_bchannel::l3_id, MAXPROCS, misdn_stack::nt, misdn_stack::port, and misdn_stack::procids.

Referenced by misdn_lib_send_event().

00889 {
00890    iframe_t ncr;
00891    int l3_id;
00892    int proc_id;
00893    struct misdn_stack *stack;
00894 
00895    stack = get_stack_by_bc(bc);
00896    if (stack->nt) {
00897       if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, 0) < 0) {
00898          return -1;
00899       }
00900       cb_log(4, stack->port, " -->  found channel: %d\n", bc->channel);
00901 
00902       for (proc_id = 0; proc_id < MAXPROCS; ++proc_id) {
00903          if (stack->procids[proc_id] == 0) {
00904             break;
00905          }
00906       }  /* end for */
00907       if (proc_id == MAXPROCS) {
00908          cb_log(0, stack->port, "Couldn't Create New ProcId.\n");
00909          return -1;
00910       }
00911 
00912       stack->procids[proc_id] = 1;
00913 
00914       l3_id = 0xff00 | proc_id;
00915       bc->l3_id = l3_id;
00916       cb_log(3, stack->port, " --> new_l3id %x\n", l3_id);
00917    } else {
00918       if (stack->ptp || bc->te_choose_channel) {
00919          /* we know exactly which channels are in use */
00920          if (find_free_chan_in_stack(stack, bc, bc->channel_preselected ? bc->channel : 0, bc->dec) < 0) {
00921             return -1;
00922          }
00923          cb_log(2, stack->port, " -->  found channel: %d\n", bc->channel);
00924       } else {
00925          /* other phones could have made a call also on this port (ptmp) */
00926          bc->channel = 0xff;
00927       }
00928 
00929       /* if we are in te-mode, we need to create a process first */
00930       if (++new_te_id > 0xffff) {
00931          new_te_id = 0x0001;
00932       }
00933 
00934       l3_id = (entity << 16) | new_te_id;
00935       bc->l3_id = l3_id;
00936       cb_log(3, stack->port, "--> new_l3id %x\n", l3_id);
00937 
00938       /* send message */
00939       ncr.prim = CC_NEW_CR | REQUEST;
00940       ncr.addr = (stack->upper_id | FLG_MSG_DOWN);
00941       ncr.dinfo = l3_id;
00942       ncr.len = 0;
00943       mISDN_write(midev, &ncr, mISDN_HEADER_LEN + ncr.len, TIMEOUT_1SEC);
00944    }
00945 
00946    return l3_id;
00947 }

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

Definition at line 2201 of file isdn_lib.c.

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

Referenced by handle_bchan().

02202 {
02203    bc->tone_cnt=len;
02204    
02205    if (bc->generate_tone) {
02206       cb_event(EVENT_TONE_GENERATE, bc, glob_mgr->user_data);
02207       
02208       if ( !bc->nojitter ) {
02209          misdn_tx_jitter(bc,len);
02210       }
02211       
02212       return 1;
02213    }
02214    
02215    return 0;
02216 }

static void dump_chan_list ( struct misdn_stack stack  )  [static]

Definition at line 449 of file isdn_lib.c.

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

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

00450 {
00451    int i;
00452 
00453    for (i=0; i <= stack->b_num; i++) {
00454       cb_log(6, stack->port, "Idx:%d stack->cchan:%d in_use:%d Chan:%d\n",i,stack->channels[i], stack->bc[i].in_use, i+1);
00455    }
00456 }

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]

Definition at line 621 of file isdn_lib.c.

References misdn_bchannel::active, AST_CAUSE_NORMAL_CLEARING, misdn_bchannel::bframe_len, misdn_bchannel::cad, misdn_bchannel::capability, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::channel_found, misdn_bchannel::conf_id, misdn_bchannel::cpnnumplan, misdn_bchannel::crypt, misdn_bchannel::crypt_key, misdn_bchannel::curprx, misdn_bchannel::curptx, misdn_bchannel::cw, misdn_bchannel::dad, misdn_bchannel::dec, misdn_bchannel::display, misdn_bchannel::dnumplan, misdn_bchannel::dummy, misdn_bchannel::early_bconnect, misdn_bchannel::ec_deftaps, misdn_bchannel::ec_enable, EVENT_NOTHING, misdn_bchannel::evq, misdn_bchannel::fac_in, misdn_bchannel::fac_out, 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_bchannel::mode, misdn_bchannel::need_more_infos, misdn_bchannel::nodsp, misdn_bchannel::nojitter, NUMPLAN_UNKNOWN, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::orig, misdn_bchannel::orig_dad, misdn_bchannel::out_cause, misdn_bchannel::pres, misdn_bchannel::progress_coding, misdn_bchannel::progress_indicator, misdn_bchannel::progress_location, misdn_bchannel::rad, misdn_bchannel::rate, misdn_bchannel::restart_channel, misdn_bchannel::rnumplan, misdn_bchannel::rxgain, misdn_bchannel::send_dtmf, misdn_bchannel::sending_complete, misdn_bchannel::te_choose_channel, misdn_bchannel::time_usec, 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(), init_bc(), manager_clean_bc(), misdn_lib_release(), misdn_lib_send_event(), and misdn_lib_send_restart().

00622 {
00623    bc->dummy=0;
00624 
00625    bc->bframe_len=0;
00626 
00627    bc->cw= 0;
00628 
00629    bc->dec=0;
00630    bc->channel = 0;
00631 
00632    bc->sending_complete = 0;
00633 
00634    bc->restart_channel=0;
00635    
00636    bc->conf_id = 0;
00637 
00638    bc->need_more_infos = 0;
00639    
00640    bc->send_dtmf=0;
00641    bc->nodsp=0;
00642    bc->nojitter=0;
00643 
00644    bc->time_usec=0;
00645    
00646    bc->rxgain=0;
00647    bc->txgain=0;
00648 
00649    bc->crypt=0;
00650    bc->curptx=0; bc->curprx=0;
00651    
00652    bc->crypt_key[0] = 0;
00653    
00654    bc->generate_tone=0;
00655    bc->tone_cnt=0;
00656   
00657    bc->dnumplan=NUMPLAN_UNKNOWN;
00658    bc->onumplan=NUMPLAN_UNKNOWN;
00659    bc->rnumplan=NUMPLAN_UNKNOWN;
00660    bc->cpnnumplan=NUMPLAN_UNKNOWN;
00661    
00662 
00663    bc->active = 0;
00664 
00665    bc->early_bconnect = 1;
00666    
00667 #ifdef MISDN_1_2
00668    *bc->pipeline = 0;
00669 #else
00670    bc->ec_enable = 0;
00671    bc->ec_deftaps = 128;
00672 #endif
00673 
00674    bc->orig=0;
00675   
00676    bc->cause = AST_CAUSE_NORMAL_CLEARING;
00677    bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
00678    bc->pres = 0;  /* allowed */
00679    
00680    bc->evq=EVENT_NOTHING;
00681 
00682    bc->progress_coding=0;
00683    bc->progress_location=0;
00684    bc->progress_indicator=0;
00685    
00686 /** Set Default Bearer Caps **/
00687    bc->capability=INFO_CAPABILITY_SPEECH;
00688    bc->law=INFO_CODEC_ALAW;
00689    bc->mode=0;
00690    bc->rate=0x10;
00691    bc->user1=0;
00692    bc->urate=0;
00693    
00694    bc->hdlc=0;
00695    
00696    
00697    bc->info_dad[0] = 0;
00698    bc->display[0] = 0;
00699    bc->infos_pending[0] = 0;
00700    bc->cad[0] = 0;
00701    bc->oad[0] = 0;
00702    bc->dad[0] = 0;
00703    bc->rad[0] = 0;
00704    bc->orig_dad[0] = 0;
00705    bc->uu[0]=0;
00706    bc->uulen=0;
00707    
00708    bc->fac_in.Function = Fac_None;
00709    bc->fac_out.Function = Fac_None;
00710    
00711    bc->te_choose_channel = 0;
00712    bc->channel_found= 0;
00713 
00714    gettimeofday(&bc->last_used, NULL);
00715 }

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

Definition at line 549 of file isdn_lib.c.

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

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

00550 {
00551    if (channel<=0 || channel>MAX_BCHANS) {
00552       cb_log(0,stack?stack->port:0, "empty_chan_in_stack: cannot empty channel %d\n",channel);
00553       return -1;
00554    }
00555    
00556    cb_log (4, stack?stack->port:0, "empty_chan_in_stack: %d\n",channel); 
00557    stack->channels[channel-1] = 0;
00558    dump_chan_list(stack);
00559    return 0;
00560 }

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

Definition at line 3255 of file isdn_lib.c.

References ARRAY_LEN, and name.

Referenced by misdn_lib_log_ies().

03256 {
03257    static const struct { 
03258       enum FacFunction facility; 
03259       char *name;
03260    } arr[] = {
03261 /* *INDENT-OFF* */
03262       { Fac_None, "Fac_None" },
03263       { Fac_GetSupportedServices, "Fac_GetSupportedServices" },
03264       { Fac_Listen, "Fac_Listen" },
03265       { Fac_Suspend, "Fac_Suspend" },
03266       { Fac_Resume, "Fac_Resume" },
03267       { Fac_CFActivate, "Fac_CFActivate" },
03268       { Fac_CFDeactivate, "Fac_CFDeactivate" },
03269       { Fac_CFInterrogateParameters, "Fac_CFInterrogateParameters" },
03270       { Fac_CFInterrogateNumbers, "Fac_CFInterrogateNumbers" },
03271       { Fac_CD, "Fac_CD" },
03272       { Fac_AOCDCurrency, "Fac_AOCDCurrency" },
03273       { Fac_AOCDChargingUnit, "Fac_AOCDChargingUnit" },
03274 /* *INDENT-ON* */
03275    };
03276    
03277    unsigned index;
03278    
03279    for (index = 0; index < ARRAY_LEN(arr); ++index) {
03280       if (arr[index].facility == facility) {
03281          return arr[index].name;
03282       }
03283    }  /* end for */
03284 
03285    return "unknown";
03286 }  /* end fac2str() */

static msg_t* fetch_msg ( int  midev  )  [static]

Definition at line 2955 of file isdn_lib.c.

References cb_log, and errno.

Referenced by misdn_lib_isdn_event_catcher().

02956 {
02957    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
02958    int r;
02959 
02960    if (!msg) {
02961       cb_log(0, 0, "fetch_msg: alloc msg failed !!");
02962       return NULL;
02963    }
02964 
02965    AGAIN:
02966       r=mISDN_read(midev,msg->data,MAX_MSG_SIZE, TIMEOUT_10SEC);
02967       msg->len=r;
02968     
02969       if (r==0) {
02970          free_msg(msg); /* danger, cause usually freeing in main_loop */
02971          cb_log(6,0,"Got empty Msg..\n");
02972          return NULL;
02973       }
02974 
02975       if (r<0) {
02976          if (errno == EAGAIN) {
02977             /*we wait for mISDN here*/
02978             cb_log(4,0,"mISDN_read wants us to wait\n");
02979             usleep(5000);
02980             goto AGAIN;
02981          }
02982          
02983          cb_log(0,0,"mISDN_read returned :%d error:%s (%d)\n",r,strerror(errno),errno); 
02984       }
02985 
02986 #if 0
02987                if  (!(frm->prim == (DL_DATA|INDICATION) )|| (frm->prim == (PH_DATA|INDICATION)))
02988                        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 );
02989 #endif
02990       return msg;
02991 }

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

Definition at line 1469 of file isdn_lib.c.

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

Referenced by handle_bchan().

01470 {
01471    struct misdn_stack* stack;
01472    int i;
01473 
01474    for (stack=glob_mgr->stack_list;
01475         stack;
01476         stack=stack->next) {
01477       for (i=0; i<=stack->b_num; i++) {
01478          if ( (stack->bc[i].addr&STACK_ID_MASK)==(addr&STACK_ID_MASK) ||  stack->bc[i].layer_id== addr ) {
01479             return &stack->bc[i];
01480          }
01481       }
01482    }
01483    
01484    return NULL;
01485 }

static struct misdn_bchannel* find_bc_by_channel ( int  port,
int  channel 
) [static]

Definition at line 1505 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, misdn_bchannel::channel, and find_stack_by_port().

Referenced by handle_err().

01506 {
01507    struct misdn_stack* stack=find_stack_by_port(port);
01508    int i;
01509 
01510    if (!stack) return NULL;   
01511    
01512    for (i=0; i<=stack->b_num; i++) {
01513       if ( stack->bc[i].channel== channel ) {
01514          return &stack->bc[i];
01515       }
01516    }
01517       
01518    return NULL;
01519 }

struct misdn_bchannel * find_bc_by_confid ( unsigned long  confid  ) 

Definition at line 1487 of file isdn_lib.c.

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

Referenced by misdn_lib_send_event().

01488 {
01489    struct misdn_stack* stack;
01490    int i;
01491    
01492    for (stack=glob_mgr->stack_list;
01493         stack;
01494         stack=stack->next) {
01495       for (i=0; i<=stack->b_num; i++) {
01496          if ( stack->bc[i].conf_id==confid ) {
01497             return &stack->bc[i];
01498          }
01499       }
01500    }
01501    return NULL;
01502 }

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

Definition at line 1450 of file isdn_lib.c.

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

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

01451 {
01452    int i;
01453    for (i=0; i<=stack->b_num; i++) {
01454       if (stack->bc[i].l3_id == l3id) return &stack->bc[i] ;
01455    }
01456    return stack_holder_find(stack,l3id);
01457 }

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

Definition at line 1440 of file isdn_lib.c.

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

Referenced by handle_event_nt().

01441 {
01442    int i;
01443    for (i=0; i<=stack->b_num; i++) {
01444       if ( (stack->bc[i].l3_id & mask)  ==  (l3id & mask)) return &stack->bc[i] ;
01445    }
01446    return stack_holder_find(stack,l3id);
01447 }

static struct misdn_bchannel* find_bc_holded ( struct misdn_stack stack  )  [static]

Definition at line 1459 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, and misdn_bchannel::holded.

Referenced by manager_find_bc_holded().

01460 {
01461    int i;
01462    for (i=0; i<=stack->b_num; i++) {
01463       if (stack->bc[i].holded ) return &stack->bc[i] ;
01464    }
01465    return NULL;
01466 }

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

Definition at line 490 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::bc, cb_log, misdn_bchannel::channel_found, misdn_stack::channels, MAX_BCHANS, misdn_stack::port, and misdn_stack::pri.

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

00491 {
00492    int i;
00493    int chan=0;
00494    int bnums = stack->pri ? stack->b_num : stack->b_num - 1;
00495 
00496    if (bc->channel_found)  
00497       return 0;
00498    
00499    bc->channel_found=1;
00500 
00501    cb_log(5,stack->port,"find_free_chan: req_chan:%d\n",channel);
00502 
00503    if (channel < 0 || channel > MAX_BCHANS) {
00504       cb_log(0, stack->port, " !! out of bound call to find_free_chan_in_stack! (ch:%d)\n", channel);
00505       return 0;
00506    }
00507    
00508    channel--;
00509 
00510    if (dec) {
00511       for (i = bnums; i >=0; i--) {
00512          if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 D channel ;) and work with chan preselection */
00513             if (!stack->channels[i]) {
00514                cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00515                chan=i+1;
00516                break;
00517             }
00518          }
00519       }
00520    } else {
00521       for (i = 0; i <= bnums; i++) {
00522          if (i != 15 && (channel < 0 || i == channel)) { /* skip E1 D channel ;) and work with chan preselection */
00523             if (!stack->channels[i]) {
00524                cb_log (3, stack->port, " --> found chan%s: %d\n", channel>=0?" (preselected)":"", i+1);
00525                chan=i+1;
00526                break;
00527             }
00528          }
00529       }
00530    }
00531 
00532    if (!chan) {
00533       cb_log (1, stack->port, " !! NO FREE CHAN IN STACK\n");
00534       dump_chan_list(stack);
00535       bc->out_cause = AST_CAUSE_NORMAL_CIRCUIT_CONGESTION;
00536       return -1;
00537    }  
00538 
00539    if (set_chan_in_stack(stack, chan)<0) {
00540       cb_log (0, stack->port, "Channel Already in use:%d\n", chan);
00541       bc->out_cause = AST_CAUSE_REQUESTED_CHAN_UNAVAIL;
00542       return -1;
00543    }
00544 
00545    bc->channel=chan;
00546    return 0;
00547 }

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

Definition at line 1401 of file isdn_lib.c.

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

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

01402 {
01403    struct misdn_stack *stack;
01404    
01405    for (stack=glob_mgr->stack_list;
01406         stack;
01407         stack=stack->next) {
01408       if ( (stack->upper_id&STACK_ID_MASK) == (addr&STACK_ID_MASK)) return stack;
01409 
01410    }
01411   
01412    return NULL;
01413 }

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

Definition at line 1428 of file isdn_lib.c.

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

Referenced by handle_event_nt().

01429 {
01430    struct misdn_stack *stack;
01431   
01432    for (stack=glob_mgr->stack_list;
01433         stack;
01434         stack=stack->next) 
01435       if ( &stack->mgr == mgr_nt) return stack;
01436   
01437    return NULL;
01438 }

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

Definition at line 1416 of file isdn_lib.c.

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

Referenced by find_bc_by_channel(), handle_err(), manager_event_handler(), misdn_lib_get_port_info(), misdn_lib_port_restart(), misdn_lib_reinit_nt_stack(), and misdn_lib_send_restart().

01417 {
01418    struct misdn_stack *stack;
01419   
01420    for (stack=glob_mgr->stack_list;
01421         stack;
01422         stack=stack->next) 
01423       if (stack->port == port) return stack;
01424   
01425    return NULL;
01426 }

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

Definition at line 319 of file isdn_lib.c.

References flip_table.

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

00320 {
00321    int i;
00322    char * start = buf;
00323    
00324    for (i = 0 ; i < len; i++) {
00325       buf[i] = flip_table[(unsigned char)buf[i]];
00326    }
00327    
00328    return start;
00329 }

struct misdn_stack * get_misdn_stack ( void   ) 

Definition at line 4538 of file isdn_lib.c.

References glob_mgr, and misdn_lib::stack_list.

Referenced by get_show_stack_details(), get_stack_by_bc(), misdn_dump_chanlist(), misdn_lib_get_maxchans(), misdn_lib_is_port_blocked(), misdn_lib_is_ptp(), misdn_lib_nt_keepcalls(), misdn_lib_port_block(), misdn_lib_port_is_pri(), and misdn_lib_port_unblock().

04538                                       {
04539    return glob_mgr->stack_list;
04540 }

void get_show_stack_details ( int  port,
char *  buf 
)

Definition at line 148 of file isdn_lib.c.

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

Referenced by misdn_show_port(), and misdn_show_stacks().

00149 {
00150    struct misdn_stack *stack=get_misdn_stack();
00151    
00152    for ( ; stack; stack=stack->next) {
00153       if (stack->port == port) break;
00154    }
00155    
00156    if (stack) {
00157       sprintf(buf, "* Port %d Type %s Prot. %s L2Link %s L1Link:%s Blocked:%d",
00158          stack->port, stack->nt ? "NT" : "TE", stack->ptp ? "PTP" : "PMP",
00159          stack->l2link ? "UP" : "DOWN", stack->l1link ? "UP" : "DOWN",
00160          stack->blocked);
00161    } else {
00162       buf[0]=0;
00163    }
00164 }

struct misdn_stack* get_stack_by_bc ( struct misdn_bchannel bc  ) 

Definition at line 132 of file isdn_lib.c.

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

Referenced by clean_up_bc(), create_process(), dec_ie_channel_id(), enc_ie_channel_id(), handle_bchan(), handle_event(), manager_bchannel_activate(), manager_bchannel_deactivate(), manager_clean_bc(), manager_ec_disable(), manager_ec_enable(), manager_find_bc_holded(), 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().

00133 {
00134    struct misdn_stack *stack = get_misdn_stack();
00135 
00136    if (!bc)
00137       return NULL;
00138    
00139    for ( ; stack; stack = stack->next) {
00140       if (bc->port == stack->port)
00141          return stack;
00142    }
00143 
00144    return NULL;
00145 }

static int handle_bchan ( msg_t *  msg  )  [static]

Definition at line 2305 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_ACTIVATED, BCHAN_CLEAN_REQUEST, BCHAN_SETUP, BCHAN_SETUPED, misdn_bchannel::bframe, misdn_bchannel::bframe_len, misdn_bchannel::capability, cb_event, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::dad, misdn_bchannel::dnumplan, do_tone(), misdn_bchannel::dtmf, errno, EVENT_BCHAN_DATA, EVENT_DTMF_TONE, find_bc_by_addr(), flip_buf_bits(), get_stack_by_bc(), glob_mgr, misdn_bchannel::layer, misdn_stack::midev, misdn_cap_is_speech(), misdn_tx_jitter(), misdn_bchannel::nojitter, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::pid, misdn_stack::port, misdn_bchannel::port, t, and misdn_lib::user_data.

Referenced by handle_err(), and manager_isdn_handler().

02306 {
02307    iframe_t *frm= (iframe_t*)msg->data;
02308    struct misdn_bchannel *bc=find_bc_by_addr(frm->addr);
02309    struct misdn_stack *stack;
02310    
02311    if (!bc) {
02312       cb_log(1,0,"handle_bchan: BC not found for prim:%x with addr:%x dinfo:%x\n", frm->prim, frm->addr, frm->dinfo);
02313       return 0 ;
02314    }
02315    
02316    stack = get_stack_by_bc(bc);
02317    
02318    if (!stack) {
02319       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);
02320       return 0;
02321    }
02322    
02323    switch (frm->prim) {
02324 
02325    case MGR_SETSTACK| CONFIRM:
02326       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|CONFIRM pid:%d\n",bc->pid);
02327       break;
02328       
02329    case MGR_SETSTACK| INDICATION:
02330       cb_log(3, stack->port, "BCHAN: MGR_SETSTACK|IND pid:%d\n",bc->pid);
02331    break;
02332 #if 0
02333    AGAIN:
02334       bc->addr = mISDN_get_layerid(stack->midev, bc->b_stid, bc->layer);
02335       if (!bc->addr) {
02336 
02337          if (errno == EAGAIN) {
02338             usleep(1000);
02339             goto AGAIN;
02340          }
02341          
02342          cb_log(0,stack->port,"$$$ Get Layer (%d) Id Error: %s\n",bc->layer,strerror(errno));
02343          
02344          /* we kill the channel later, when we received some
02345             data. */
02346          bc->addr= frm->addr;
02347       } else if ( bc->addr < 0) {
02348          cb_log(0, stack->port,"$$$ bc->addr <0 Error:%s\n",strerror(errno));
02349          bc->addr=0;
02350       }
02351       
02352       cb_log(4, stack->port," --> Got Adr %x\n", bc->addr);
02353 
02354       free_msg(msg);
02355    
02356       
02357       switch(bc->bc_state) {
02358       case BCHAN_SETUP:
02359          bc_state_change(bc,BCHAN_SETUPED);
02360       break;
02361 
02362       case BCHAN_CLEAN_REQUEST:
02363       default:
02364          cb_log(0, stack->port," --> STATE WASN'T SETUP (but %s) in SETSTACK|IND pid:%d\n",bc_state2str(bc->bc_state), bc->pid);
02365          clean_up_bc(bc);
02366       }
02367       return 1;
02368 #endif
02369 
02370    case MGR_DELLAYER| INDICATION:
02371       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|IND pid:%d\n",bc->pid);
02372       break;
02373       
02374    case MGR_DELLAYER| CONFIRM:
02375       cb_log(3, stack->port, "BCHAN: MGR_DELLAYER|CNF pid:%d\n",bc->pid);
02376       
02377       bc->pid=0;
02378       bc->addr=0;
02379       
02380       free_msg(msg);
02381       return 1;
02382       
02383    case PH_ACTIVATE | INDICATION:
02384    case DL_ESTABLISH | INDICATION:
02385       cb_log(3, stack->port, "BCHAN: ACT Ind pid:%d\n", bc->pid);
02386 
02387       free_msg(msg);
02388       return 1;    
02389 
02390    case PH_ACTIVATE | CONFIRM:
02391    case DL_ESTABLISH | CONFIRM:
02392       
02393       cb_log(3, stack->port, "BCHAN: bchan ACT Confirm pid:%d\n",bc->pid);
02394       free_msg(msg);
02395       
02396       return 1;    
02397 
02398    case DL_ESTABLISH | REQUEST:
02399       {
02400          char buf[128];
02401          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_ESTABLISH | CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02402       }
02403       free_msg(msg);
02404       return 1;
02405 
02406    case DL_RELEASE|REQUEST:
02407       {
02408          char buf[128];
02409          mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_TARGET | FLG_MSG_DOWN,  DL_RELEASE| CONFIRM, 0,0, NULL, TIMEOUT_1SEC);
02410       }
02411       free_msg(msg);
02412       return 1;
02413       
02414    case PH_DEACTIVATE | INDICATION:
02415    case DL_RELEASE | INDICATION:
02416       cb_log (3, stack->port, "BCHAN: DeACT Ind pid:%d\n",bc->pid);
02417       
02418       free_msg(msg);
02419       return 1;
02420     
02421    case PH_DEACTIVATE | CONFIRM:
02422    case DL_RELEASE | CONFIRM:
02423       cb_log(3, stack->port, "BCHAN: DeACT Conf pid:%d\n",bc->pid);
02424       
02425       free_msg(msg);
02426       return 1;
02427     
02428    case PH_CONTROL|INDICATION:
02429    {
02430       unsigned int *cont = (unsigned int *) &frm->data.p;
02431       
02432       cb_log(4, stack->port, "PH_CONTROL: channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
02433 
02434       if ((*cont & ~DTMF_TONE_MASK) == DTMF_TONE_VAL) {
02435          int dtmf = *cont & DTMF_TONE_MASK;
02436          cb_log(4, stack->port, " --> DTMF TONE: %c\n",dtmf);
02437          bc->dtmf=dtmf;
02438          cb_event(EVENT_DTMF_TONE, bc, glob_mgr->user_data);
02439    
02440          free_msg(msg);
02441          return 1;
02442       }
02443       if (*cont == BF_REJECT) {
02444          cb_log(4, stack->port, " --> BF REJECT\n");
02445          free_msg(msg);
02446          return 1;
02447       }
02448       if (*cont == BF_ACCEPT) {
02449          cb_log(4, stack->port, " --> BF ACCEPT\n");
02450          free_msg(msg);
02451          return 1;
02452       }
02453    }
02454    break;
02455 
02456    case PH_DATA|REQUEST:
02457    case DL_DATA|REQUEST:
02458       cb_log(0, stack->port, "DL_DATA REQUEST \n");
02459       do_tone(bc, 64);
02460       
02461       free_msg(msg);
02462       return 1;
02463    
02464    
02465    case PH_DATA|INDICATION:
02466    case DL_DATA|INDICATION:
02467    {
02468       bc->bframe = (void*)&frm->data.i;
02469       bc->bframe_len = frm->len;
02470 
02471       /** Anyway flip the bufbits **/
02472       if ( misdn_cap_is_speech(bc->capability) ) 
02473          flip_buf_bits(bc->bframe, bc->bframe_len);
02474    
02475 
02476       if (!bc->bframe_len) {
02477          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02478          free_msg(msg);
02479          return 1;
02480       }
02481 
02482       if ( (bc->addr&STACK_ID_MASK) != (frm->addr&STACK_ID_MASK) ) {
02483          cb_log(2, stack->port, "DL_DATA INDICATION bc->addr:%x frm->addr:%x\n", bc->addr, frm->addr);
02484          free_msg(msg);
02485          return 1;
02486       }
02487       
02488 #if MISDN_DEBUG
02489       cb_log(0, stack->port, "DL_DATA INDICATION Len %d\n", frm->len);
02490 
02491 #endif
02492       
02493       if ( (bc->bc_state == BCHAN_ACTIVATED) && frm->len > 0) {
02494          int t;
02495 
02496 #ifdef MISDN_B_DEBUG
02497          cb_log(0,bc->port,"do_tone START\n");
02498 #endif
02499          t=do_tone(bc,frm->len);
02500 
02501 #ifdef MISDN_B_DEBUG
02502          cb_log(0,bc->port,"do_tone STOP (%d)\n",t);
02503 #endif
02504          if (  !t ) {
02505             int i;
02506             
02507             if ( misdn_cap_is_speech(bc->capability)) {
02508                if ( !bc->nojitter ) {
02509 #ifdef MISDN_B_DEBUG
02510                   cb_log(0,bc->port,"tx_jitter START\n");
02511 #endif
02512                   misdn_tx_jitter(bc,frm->len);
02513 #ifdef MISDN_B_DEBUG
02514                   cb_log(0,bc->port,"tx_jitter STOP\n");
02515 #endif
02516                }
02517             }
02518 
02519 #ifdef MISDN_B_DEBUG 
02520             cb_log(0,bc->port,"EVENT_B_DATA START\n");
02521 #endif
02522             
02523             i = cb_event(EVENT_BCHAN_DATA, bc, glob_mgr->user_data);
02524 #ifdef MISDN_B_DEBUG 
02525             cb_log(0,bc->port,"EVENT_B_DATA STOP\n");
02526 #endif
02527             
02528             if (i<0) {
02529                cb_log(10,stack->port,"cb_event returned <0\n");
02530                /*clean_up_bc(bc);*/
02531             }
02532          }
02533       }
02534       free_msg(msg);
02535       return 1;
02536    }
02537 
02538 
02539    case PH_CONTROL | CONFIRM:
02540       cb_log(4, stack->port, "PH_CONTROL|CNF bc->addr:%x\n", frm->addr);
02541       free_msg(msg);
02542       return 1;
02543 
02544    case PH_DATA | CONFIRM:
02545    case DL_DATA|CONFIRM:
02546 #if MISDN_DEBUG
02547 
02548       cb_log(0, stack->port, "Data confirmed\n");
02549 
02550 #endif
02551       free_msg(msg);
02552       return 1;
02553    case DL_DATA|RESPONSE:
02554 #if MISDN_DEBUG
02555       cb_log(0, stack->port, "Data response\n");
02556 
02557 #endif
02558       break;
02559    }
02560   
02561    return 0;
02562 }

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

Definition at line 1608 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, glob_mgr, 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(), and release_cr().

01609 {
01610    struct misdn_bchannel *bc;
01611 
01612    if (!stack) return -1;
01613   
01614    switch (frm->prim) {
01615    case CC_NEW_CR|INDICATION:
01616       cb_log(7, stack->port, " --> lib: NEW_CR Ind with l3id:%x on this port.\n",frm->dinfo);
01617 
01618       bc = misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01619       if (!bc) {
01620          cb_log(0, stack->port, " --> !! lib: No free channel!\n");
01621          return -1;
01622       }
01623   
01624       cb_log(7, stack->port, " --> new_process: New L3Id: %x\n",frm->dinfo);
01625       bc->l3_id=frm->dinfo;
01626       return 1;
01627    case CC_NEW_CR|CONFIRM:
01628       return 1;
01629    case CC_NEW_CR|REQUEST:
01630       return 1;
01631    case CC_RELEASE_CR|REQUEST:
01632       return 1;
01633    case CC_RELEASE_CR|CONFIRM:
01634       break;
01635    case CC_RELEASE_CR|INDICATION:
01636       cb_log(4, stack->port, " --> lib: RELEASE_CR Ind with l3id:%x\n",frm->dinfo);
01637       {
01638          struct misdn_bchannel *bc=find_bc_by_l3id(stack, frm->dinfo);
01639          struct misdn_bchannel dummybc;
01640       
01641          if (!bc) {
01642             cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
01643             misdn_make_dummy(&dummybc, stack->port, frm->dinfo, stack->nt, 0);
01644             
01645             bc=&dummybc; 
01646          }
01647       
01648          if (bc) {
01649             int channel = bc->channel;
01650             cb_log(4, stack->port, " --> lib: CLEANING UP l3id: %x\n",frm->dinfo);
01651 
01652             /*bc->pid = 0;*/
01653             bc->need_disconnect=0;
01654             bc->need_release=0;
01655             bc->need_release_complete=0;
01656 
01657             cb_event(EVENT_CLEANUP, bc, glob_mgr->user_data);
01658 
01659             empty_bc(bc);
01660             clean_up_bc(bc);
01661 
01662             if (channel>0)
01663                empty_chan_in_stack(stack,channel);
01664             bc->in_use=0;
01665 
01666             dump_chan_list(stack);
01667 
01668             if (bc->stack_holder) {
01669                cb_log(4,stack->port, "REMOVING Holder\n");
01670                stack_holder_remove( stack, bc);
01671                free(bc);
01672             }
01673          }
01674          else {
01675             if (stack->nt) 
01676                cb_log(4, stack->port, "BC with dinfo: %x  not found.. (prim was %x and addr %x)\n",frm->dinfo, frm->prim, frm->addr);
01677          }
01678       
01679          return 1;
01680       }
01681       break;
01682    }
01683   
01684    return 0;
01685 }

static int handle_err ( msg_t *  msg  )  [static]

Definition at line 3559 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), cb_log, misdn_bchannel::channel, find_bc_by_channel(), find_stack_by_port(), handle_bchan(), misdn_stack::l1link, misdn_stack::l2link, misdn_lib_get_l1_down(), misdn_lib_get_l2_down(), and misdn_bchannel::port.

Referenced by manager_isdn_handler().

03560 {
03561    iframe_t *frm = (iframe_t*) msg->data;
03562 
03563 
03564    if (!frm->addr) {
03565       static int cnt=0;
03566       if (!cnt)
03567          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x\n",frm->prim,frm->dinfo);
03568       cnt++;
03569       if (cnt>100) {
03570          cb_log(0,0,"mISDN Msg without Address pr:%x dinfo:%x (already more than 100 of them)\n",frm->prim,frm->dinfo);
03571          cnt=0;
03572       }
03573       
03574       free_msg(msg);
03575       return 1;
03576       
03577    }
03578    
03579    switch (frm->prim) {
03580       case MGR_SETSTACK|INDICATION:
03581          return handle_bchan(msg);
03582       break;
03583 
03584       case MGR_SETSTACK|CONFIRM:
03585       case MGR_CLEARSTACK|CONFIRM:
03586          free_msg(msg) ; 
03587          return 1;
03588       break;
03589 
03590       case DL_DATA|CONFIRM:
03591          cb_log(4,0,"DL_DATA|CONFIRM\n");
03592          free_msg(msg);
03593          return 1;
03594 
03595       case PH_CONTROL|CONFIRM:
03596          cb_log(4,0,"PH_CONTROL|CONFIRM\n");
03597          free_msg(msg);
03598          return 1;
03599 
03600       case DL_DATA|INDICATION:
03601       {
03602          int port=(frm->addr&MASTER_ID_MASK) >> 8;
03603          int channel=(frm->addr&CHILD_ID_MASK) >> 16;
03604          struct misdn_bchannel *bc;
03605 
03606          /*we flush the read buffer here*/
03607          
03608          cb_log(9,0,"BCHAN DATA without BC: addr:%x port:%d channel:%d\n",frm->addr, port,channel);
03609          
03610          free_msg(msg); 
03611          return 1;
03612          
03613          
03614          bc = find_bc_by_channel(port, channel);
03615 
03616          if (!bc) {
03617             struct misdn_stack *stack = find_stack_by_port(port);
03618 
03619             if (!stack) {
03620                cb_log(0,0," --> stack not found\n");
03621                free_msg(msg);
03622                return 1;
03623             }
03624             
03625             cb_log(0,0," --> bc not found by channel\n");
03626             if (stack->l2link)
03627                misdn_lib_get_l2_down(stack);
03628 
03629             if (stack->l1link)
03630                misdn_lib_get_l1_down(stack);
03631 
03632             free_msg(msg);
03633             return 1;
03634          }
03635          
03636          cb_log(3,port," --> BC in state:%s\n", bc_state2str(bc->bc_state));
03637       }
03638    }
03639 
03640    return 0;
03641 }

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

Definition at line 1525 of file isdn_lib.c.

References misdn_stack::bc, cb_log, 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_stack::nt, misdn_stack::port, misdn_stack::pri, misdn_stack::ptp, and setup_bc().

Referenced by handle_frm().

01526 {
01527    struct misdn_stack *stack=get_stack_by_bc(bc);
01528    
01529    if (!stack->nt) {
01530       
01531       switch (event) {
01532 
01533       case EVENT_CONNECT_ACKNOWLEDGE:
01534          setup_bc(bc);
01535 
01536          if ( *bc->crypt_key ) {
01537             cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
01538             manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01539          }
01540 
01541          if (misdn_cap_is_speech(bc->capability)) {
01542             if (  !bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
01543             manager_ec_enable(bc);
01544 
01545             if ( bc->txgain != 0 ) {
01546                cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
01547                manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
01548             }
01549             if ( bc->rxgain != 0 ) {
01550                cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
01551                manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
01552             }
01553          }
01554 
01555          break;
01556       case EVENT_CONNECT:
01557 
01558          if ( *bc->crypt_key ) {
01559             cb_log(4, stack->port, "ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s\n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
01560             manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
01561          }
01562       case EVENT_ALERTING:
01563       case EVENT_PROGRESS:
01564       case EVENT_PROCEEDING:
01565       case EVENT_SETUP_ACKNOWLEDGE:
01566       case EVENT_SETUP:
01567       {
01568          if (bc->channel == 0xff || bc->channel<=0)
01569             bc->channel=0;
01570 
01571          if (find_free_chan_in_stack(stack, bc, bc->channel, 0)<0){
01572             if (!stack->pri && !stack->ptp)  {
01573                bc->cw=1;
01574                break;
01575             }
01576 
01577             if (!bc->channel)
01578                cb_log(0, stack->port, "Any Channel Requested, but we have no more!!\n");
01579             else 
01580                cb_log(0, stack->port, "Requested Channel Already in Use releasing this call with cause 34!!!!\n");
01581 
01582             /* when the channel is already in use, we can't
01583              * simply clear it, we need to make sure that 
01584              * it will still be marked as in_use in the 
01585              * available channels list.*/
01586             bc->channel=0;
01587 
01588             misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
01589             return -1;
01590          }
01591       }
01592 
01593       setup_bc(bc);
01594       break;
01595 
01596       case EVENT_RELEASE_COMPLETE:
01597       case EVENT_RELEASE:
01598          break;
01599       default:
01600          break;
01601       }
01602    } else {    /** NT MODE **/
01603       
01604    }
01605    return 0;
01606 }

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

Definition at line 1820 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, glob_mgr, handle_cr(), misdn_bchannel::holded, misdn_bchannel::in_use, 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_reinit_nt_stack(), misdn_lib_send_event(), misdn_lib_send_restart(), misdn_make_dummy(), mISDNUSER_HEAD_SIZE, msgs_g, misdn_stack::nst, misdn_stack::nt, misdn_bchannel::port, misdn_stack::port, misdn_stack::procids, 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().

01821 {
01822    manager_t *mgr = (manager_t *)dat;
01823    msg_t *msg = (msg_t *)arg;
01824    mISDNuser_head_t *hh;
01825    int reject=0;
01826 
01827    struct misdn_stack *stack=find_stack_by_mgr(mgr);
01828    int port;
01829 
01830    if (!msg || !mgr)
01831       return(-EINVAL);
01832 
01833    hh=(mISDNuser_head_t*)msg->data;
01834    port=stack->port;
01835    
01836    cb_log(5, stack->port, " --> lib: prim %x dinfo %x\n",hh->prim, hh->dinfo);
01837    {
01838       switch(hh->prim){
01839       case CC_RETRIEVE|INDICATION:
01840       {
01841          struct misdn_bchannel *bc;
01842          struct misdn_bchannel *hold_bc;
01843 
01844          iframe_t frm; /* fake te frm to add callref to global callreflist */
01845          frm.dinfo = hh->dinfo;
01846 
01847          frm.addr=stack->upper_id | FLG_MSG_DOWN;
01848 
01849          frm.prim = CC_NEW_CR|INDICATION;
01850          
01851          if (handle_cr( stack, &frm)< 0) {
01852             msg_t *dmsg;
01853             cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01854             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01855             stack->nst.manager_l3(&stack->nst, dmsg);
01856             free_msg(msg);
01857             return 0;
01858          }
01859          
01860          bc = find_bc_by_l3id(stack, hh->dinfo);
01861          hold_bc = stack_holder_find(stack, bc->l3_id);
01862          cb_log(4, stack->port, "bc_l3id:%x holded_bc_l3id:%x\n",bc->l3_id, hold_bc->l3_id);
01863 
01864          if (hold_bc) {
01865             cb_log(4, stack->port, "REMOVING Holder\n");
01866 
01867             /*swap the backup to our new channel back*/
01868             stack_holder_remove(stack, hold_bc);
01869             memcpy(bc, hold_bc, sizeof(struct misdn_bchannel));
01870             free(hold_bc);
01871 
01872             bc->holded=0;
01873             bc->b_stid=0;
01874          }
01875          
01876       }
01877          
01878          break;
01879          
01880       case CC_SETUP|CONFIRM:
01881       {
01882          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01883          int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01884          cb_log(4, stack->port, " --> lib: Event_ind:SETUP CONFIRM [NT] : new L3ID  is %x\n",l3id );
01885    
01886          if (!bc) { cb_log(4, stack->port, "Bc Not found (after SETUP CONFIRM)\n"); return 0; }
01887          cb_log (2,bc->port,"I IND :CC_SETUP|CONFIRM: old l3id:%x new l3id:%x\n", bc->l3_id, l3id);
01888          bc->l3_id=l3id;
01889          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
01890       }
01891       free_msg(msg);
01892       return 0;
01893       
01894       case CC_SETUP|INDICATION:
01895       {
01896          struct misdn_bchannel* bc=misdn_lib_get_free_bc(stack->port, 0, 1, 0);
01897          if (!bc) 
01898          ERR_NO_CHANNEL:
01899          {
01900             msg_t *dmsg;
01901             cb_log(4, stack->port, "Patch from MEIDANIS:Sending RELEASE_COMPLETE %x (No free Chan for you..)\n", hh->dinfo);
01902             dmsg = create_l3msg(CC_RELEASE_COMPLETE | REQUEST,MT_RELEASE_COMPLETE, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01903             stack->nst.manager_l3(&stack->nst, dmsg);
01904             free_msg(msg);
01905             return 0;
01906          }
01907   
01908          cb_log(4, stack->port, " --> new_process: New L3Id: %x\n",hh->dinfo);
01909          bc->l3_id=hh->dinfo;
01910       }
01911       break;
01912 
01913       case CC_CONNECT_ACKNOWLEDGE|INDICATION:
01914       break;
01915       
01916       case CC_ALERTING|INDICATION:
01917       case CC_PROCEEDING|INDICATION:
01918       case CC_SETUP_ACKNOWLEDGE|INDICATION:
01919          if(!stack->ptp) break;  
01920       case CC_CONNECT|INDICATION:
01921       break;
01922       case CC_DISCONNECT|INDICATION:
01923       {
01924          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01925          if (!bc) {
01926             bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01927             if (bc) { 
01928                int myprocid=bc->l3_id&0x0000ffff;
01929                hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01930                cb_log(3,stack->port,"Reject dinfo: %x cause:%d\n",hh->dinfo,bc->cause);
01931                reject=1;      
01932             }
01933          }
01934       }
01935       break;
01936       
01937       case CC_FACILITY|INDICATION:
01938       {
01939          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01940          if (!bc) {
01941             bc=find_bc_by_masked_l3id(stack, hh->dinfo, 0xffff0000);
01942             if (bc) { 
01943                int myprocid=bc->l3_id&0x0000ffff;
01944                hh->dinfo=(hh->dinfo&0xffff0000)|myprocid;
01945                cb_log(4,bc->port,"Repaired reject Bug, new dinfo: %x\n",hh->dinfo);
01946             }
01947          }
01948       }
01949       break;
01950       
01951       case CC_RELEASE_COMPLETE|INDICATION:
01952          break;
01953 
01954       case CC_SUSPEND|INDICATION:
01955       {
01956          msg_t *dmsg;
01957          cb_log(4, stack->port, " --> Got Suspend, sending Reject for now\n");
01958          dmsg = create_l3msg(CC_SUSPEND_REJECT | REQUEST,MT_SUSPEND_REJECT, hh->dinfo,sizeof(RELEASE_COMPLETE_t), 1);
01959          stack->nst.manager_l3(&stack->nst, dmsg);
01960          free_msg(msg);
01961          return 0;
01962       }
01963       break;
01964       case CC_RESUME|INDICATION:
01965          break;
01966 
01967       case CC_RELEASE|CONFIRM:
01968          {
01969             struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01970 
01971             if (bc) { 
01972                cb_log(1, stack->port, "CC_RELEASE|CONFIRM (l3id:%x), sending RELEASE_COMPLETE\n", hh->dinfo);
01973                misdn_lib_send_event(bc, EVENT_RELEASE_COMPLETE);
01974             }
01975          }
01976          break;
01977          
01978       case CC_RELEASE|INDICATION:
01979          break;
01980 
01981       case CC_RELEASE_CR|INDICATION:
01982          release_cr(stack, hh);
01983          free_msg(msg);
01984          return 0 ;
01985       break;
01986       
01987       case CC_NEW_CR|INDICATION:
01988          /*  Got New CR for bchan, for now I handle this one in */
01989          /*  connect_ack, Need to be changed */
01990       {
01991          struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01992          int l3id = *((int *)(((u_char *)msg->data)+ mISDNUSER_HEAD_SIZE));
01993          if (!bc) { cb_log(0, stack->port, " --> In NEW_CR: didn't found bc ??\n"); return -1;};
01994          if (((l3id&0xff00)!=0xff00) && ((bc->l3_id&0xff00)==0xff00)) {
01995             cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", 0xff&bc->l3_id);
01996             stack->procids[bc->l3_id&0xff] = 0 ;
01997          }
01998          cb_log(4, stack->port, "lib: Event_ind:CC_NEW_CR : very new L3ID  is %x\n",l3id );
01999    
02000          bc->l3_id =l3id;
02001          cb_event(EVENT_NEW_L3ID, bc, glob_mgr->user_data);
02002    
02003          free_msg(msg);
02004          return 0;
02005       }
02006       
02007       case DL_ESTABLISH | INDICATION:
02008       case DL_ESTABLISH | CONFIRM:
02009       {
02010          cb_log(3, stack->port, "%% GOT L2 Activate Info.\n");
02011          
02012          if (stack->ptp && stack->l2link) {
02013             cb_log(0, stack->port, "%% GOT L2 Activate Info. but we're activated already.. this l2 is faulty, blocking port\n");
02014             cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02015          }
02016 
02017          if (stack->ptp && !stack->restart_sent) {
02018             /* make sure we restart the interface of the 
02019              * other side */
02020             stack->restart_sent=1;
02021             misdn_lib_send_restart(stack->port, -1);
02022 
02023          }
02024       
02025          /* when we get the L2 UP, the L1 is UP definitely too*/
02026          stack->l1link = 1;
02027          stack->l2link = 1;
02028          stack->l2upcnt=0;
02029          
02030          free_msg(msg);
02031          return 0;
02032       }
02033       break;
02034 
02035 
02036       case DL_RELEASE | INDICATION:
02037       case DL_RELEASE | CONFIRM:
02038       {
02039          if (stack->ptp) {
02040             cb_log(3 , stack->port, "%% GOT L2 DeActivate Info.\n");
02041 
02042             if (stack->l2upcnt>3) {
02043                cb_log(0 , stack->port, "!!! Could not Get the L2 up after 3 Attempts!!!\n");
02044             }  else {
02045 #if 0
02046                if (stack->nt) misdn_lib_reinit_nt_stack(stack->port);
02047 #endif
02048                if (stack->l1link) {
02049                   misdn_lib_get_l2_up(stack);
02050                   stack->l2upcnt++;
02051                }
02052             }
02053             
02054          } else 
02055             cb_log(3, stack->port, "%% GOT L2 DeActivate Info.\n");
02056          
02057          stack->l2link = 0;
02058          free_msg(msg);
02059          return 0;
02060       }
02061       break;
02062       }
02063    }
02064    
02065    {
02066       /*  Parse Events and fire_up to App. */
02067       struct misdn_bchannel *bc;
02068       struct misdn_bchannel dummybc;
02069       
02070       enum event_e event = isdn_msg_get_event(msgs_g, msg, 1);
02071     
02072       bc=find_bc_by_l3id(stack, hh->dinfo);
02073     
02074       if (!bc) {
02075          cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x).\n", hh->dinfo);
02076          misdn_make_dummy(&dummybc, stack->port,  hh->dinfo, stack->nt, 0);
02077          bc=&dummybc; 
02078       }
02079       if (bc ) {
02080          isdn_msg_parse_event(msgs_g,msg,bc, 1);
02081 
02082          switch (event) {
02083             case EVENT_SETUP:
02084                if (bc->channel<=0 || bc->channel==0xff) 
02085                   bc->channel=0;
02086             
02087                if (find_free_chan_in_stack(stack,bc, bc->channel,0)<0) 
02088                   goto ERR_NO_CHANNEL;
02089                break;
02090             case EVENT_RELEASE:
02091             case EVENT_RELEASE_COMPLETE:
02092                {
02093                int channel=bc->channel;
02094                int tmpcause=bc->cause; 
02095                          empty_bc(bc);
02096                bc->cause=tmpcause;
02097                clean_up_bc(bc);
02098 
02099                if (channel>0)
02100                                  empty_chan_in_stack(stack,channel);
02101                bc->in_use=0;
02102                }
02103                break;
02104 
02105             default:
02106             break;
02107          }
02108          
02109          if(!isdn_get_info(msgs_g,event,1)) {
02110             cb_log(4, stack->port, "Unknown Event Ind: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02111          } else {
02112             if (reject) {
02113                switch(bc->cause){
02114                   case AST_CAUSE_USER_BUSY:
02115                      cb_log(1, stack->port, "Siemens Busy reject..\n");
02116 
02117                      break;
02118                   default:
02119                      break;
02120                }
02121             }
02122             cb_event(event, bc, glob_mgr->user_data);
02123          }
02124       } else {
02125          cb_log(4, stack->port, "No BC found with l3id: prim %x dinfo %x\n",hh->prim, hh->dinfo);
02126       }
02127 
02128       free_msg(msg);
02129    }
02130 
02131 
02132    return 0;
02133 }

static int handle_frm ( msg_t *  msg  )  [static]

Definition at line 2601 of file isdn_lib.c.

References AST_CAUSE_NORMAL_CLEARING, AST_CAUSE_REQUESTED_CHAN_UNAVAIL, bc_state_change(), BCHAN_CLEANED, 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(), glob_mgr, handle_cr(), handle_event(), misdn_bchannel::in_use, isdn_get_info(), isdn_msg_get_event(), isdn_msg_parse_event(), misdn_lib_send_event(), misdn_lib_send_restart(), misdn_make_dummy(), msgs_g, misdn_bchannel::out_cause, misdn_bchannel::port, RESPONSE_IGNORE_SETUP, RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE, RESPONSE_OK, RESPONSE_RELEASE_SETUP, misdn_bchannel::restart_channel, set_chan_in_stack(), and misdn_lib::user_data.

Referenced by manager_event_handler(), and manager_isdn_handler().

02602 {
02603    iframe_t *frm = (iframe_t*) msg->data;
02604    
02605    struct misdn_stack *stack=find_stack_by_addr(frm->addr);
02606 
02607    if (!stack || stack->nt) {
02608       return 0;
02609    }
02610    
02611    cb_log(4,stack?stack->port:0,"handle_frm: frm->addr:%x frm->prim:%x\n",frm->addr,frm->prim);
02612 
02613    {
02614       struct misdn_bchannel dummybc;
02615       struct misdn_bchannel *bc;
02616       int ret=handle_cr(stack, frm);
02617 
02618       if (ret<0) {
02619          cb_log(3,stack?stack->port:0,"handle_frm: handle_cr <0 prim:%x addr:%x\n", frm->prim, frm->addr);
02620 
02621 
02622       }
02623 
02624       if(ret) {
02625          free_msg(msg);
02626          return 1;
02627       }
02628     
02629       bc=find_bc_by_l3id(stack, frm->dinfo);
02630 
02631       if (!bc && (frm->prim==(CC_RESTART|CONFIRM)) ) {
02632          misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02633          bc=&dummybc;
02634       }
02635 
02636       if (!bc && (frm->prim==(CC_SETUP|INDICATION)) ) {
02637          misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
02638          dummybc.port=stack->port;
02639          dummybc.l3_id=frm->dinfo;
02640          bc=&dummybc;
02641 
02642          misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02643 
02644          free_msg(msg);
02645          return 1;
02646       }
02647 
02648     
02649 handle_frm_bc:
02650       if (bc ) {
02651          enum event_e event = isdn_msg_get_event(msgs_g, msg, 0);
02652          enum event_response_e response=RESPONSE_OK;
02653          int ret;
02654       
02655          isdn_msg_parse_event(msgs_g,msg,bc, 0);
02656          
02657          /** Preprocess some Events **/
02658          ret = handle_event(bc, event, frm);
02659          if (ret<0) {
02660             cb_log(0,stack->port,"couldn't handle event\n");
02661             free_msg(msg);
02662             return 1;
02663          }
02664          /*  shoot up event to App: */
02665          cb_log(5, stack->port, "lib Got Prim: Addr %x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02666       
02667          if(!isdn_get_info(msgs_g,event,0)) 
02668             cb_log(0, stack->port, "Unknown Event Ind: Addr:%x prim %x dinfo %x\n",frm->addr, frm->prim, frm->dinfo);
02669          else
02670             response=cb_event(event, bc, glob_mgr->user_data);
02671 #if 1
02672          if (event == EVENT_SETUP) {
02673             switch (response) {
02674             case RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE:
02675 
02676                cb_log(0, stack->port, "TOTALLY IGNORING SETUP\n");               
02677                
02678                break;
02679             case RESPONSE_IGNORE_SETUP:
02680                /* I think we should send CC_RELEASE_CR, but am not sure*/
02681                bc->out_cause = AST_CAUSE_NORMAL_CLEARING;
02682             
02683             case RESPONSE_RELEASE_SETUP:
02684                misdn_lib_send_event(bc,EVENT_RELEASE_COMPLETE);
02685                if (bc->channel>0)
02686                   empty_chan_in_stack(stack, bc->channel);
02687                empty_bc(bc);
02688                bc_state_change(bc,BCHAN_CLEANED);
02689                bc->in_use=0;
02690 
02691                cb_log(0, stack->port, "GOT IGNORE SETUP\n");
02692                break;
02693             case RESPONSE_OK:
02694                cb_log(4, stack->port, "GOT SETUP OK\n");
02695 
02696                
02697                break;
02698             default:
02699                break;
02700             }
02701          }
02702 
02703          if (event == EVENT_RELEASE_COMPLETE) {
02704             /* release bchannel only after we've announced the RELEASE_COMPLETE */
02705             int channel=bc->channel;
02706             int tmpcause=bc->cause; 
02707             int tmp_out_cause=bc->out_cause; 
02708             empty_bc(bc);
02709             bc->cause=tmpcause;
02710             bc->out_cause=tmp_out_cause;
02711             clean_up_bc(bc);
02712             
02713             if (tmpcause == AST_CAUSE_REQUESTED_CHAN_UNAVAIL) {
02714                cb_log(0,stack->port,"**** Received CAUSE:%d, so not cleaning up channel %d\n", AST_CAUSE_REQUESTED_CHAN_UNAVAIL, channel);
02715                cb_log(0,stack->port,"**** This channel is now no longer available,\nplease try to restart it with 'misdn send restart <port> <channel>'\n");
02716                set_chan_in_stack(stack, channel);
02717                bc->channel=channel;
02718                misdn_lib_send_restart(stack->port, channel);
02719             } else {
02720                if (channel>0)
02721                   empty_chan_in_stack(stack, channel);
02722             }
02723             bc->in_use=0;
02724          }
02725 
02726          if (event == EVENT_RESTART) {
02727             cb_log(0, stack->port, "**** Received RESTART_ACK channel:%d\n", bc->restart_channel);
02728             empty_chan_in_stack(stack, bc->restart_channel);
02729          }
02730 
02731          cb_log(5, stack->port, "Freeing Msg on prim:%x \n",frm->prim);
02732 
02733          
02734          free_msg(msg);
02735          return 1;
02736 #endif
02737       
02738       } else {
02739          struct misdn_bchannel dummybc;
02740          cb_log(0, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", frm->dinfo);
02741          memset (&dummybc,0,sizeof(dummybc));
02742          dummybc.port=stack->port;
02743          dummybc.l3_id=frm->dinfo;
02744          bc=&dummybc; 
02745          goto handle_frm_bc;
02746       }
02747    }
02748 
02749    cb_log(4, stack->port, "TE_FRM_HANDLER: Returning 0 on prim:%x \n",frm->prim);
02750    return 0;
02751 }

static int handle_frm_nt ( msg_t *  msg  )  [static]

Definition at line 2566 of file isdn_lib.c.

References cb_log, find_stack_by_addr(), and nt_err_cnt.

Referenced by manager_event_handler(), and manager_isdn_handler().

02567 {
02568    iframe_t *frm= (iframe_t*)msg->data;
02569    struct misdn_stack *stack;
02570    int err=0;
02571 
02572    stack=find_stack_by_addr( frm->addr );
02573 
02574    
02575   
02576    if (!stack || !stack->nt) {
02577       return 0;
02578    }
02579 
02580    
02581    if ((err=stack->nst.l1_l2(&stack->nst,msg))) {
02582     
02583       if (nt_err_cnt > 0 ) {
02584          if (nt_err_cnt < 100) {
02585             nt_err_cnt++; 
02586             cb_log(0, stack->port, "NT Stack sends us error: %d \n", err);
02587          } else if (nt_err_cnt < 105){
02588             cb_log(0, stack->port, "NT Stack sends us error: %d over 100 times, so I'll stop this message\n", err);
02589             nt_err_cnt = - 1; 
02590          }
02591       }
02592       free_msg(msg);
02593       return 1;
02594       
02595    }
02596    
02597    return 1;
02598 }

static int handle_l1 ( msg_t *  msg  )  [static]

Definition at line 2754 of file isdn_lib.c.

References cb_event, cb_log, EVENT_CLEANUP, EVENT_NOTHING, find_stack_by_addr(), glob_mgr, global_state, isdn_get_info(), MISDN_INITIALIZED, misdn_lib_get_l2_up(), misdn_lib_send_event(), msgs_g, and misdn_lib::user_data.

Referenced by manager_isdn_handler().

02755 {
02756    iframe_t *frm = (iframe_t*) msg->data;
02757    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02758    int i ;
02759    
02760    if (!stack) return 0 ;
02761 
02762    switch (frm->prim) {
02763    case PH_ACTIVATE | CONFIRM:
02764    case PH_ACTIVATE | INDICATION:
02765       cb_log (3, stack->port, "L1: PH L1Link Up!\n");
02766       stack->l1link=1;
02767       
02768       if (stack->nt) {
02769          
02770          if (stack->nst.l1_l2(&stack->nst, msg))
02771             free_msg(msg);
02772 
02773          if (stack->ptp)
02774             misdn_lib_get_l2_up(stack);
02775       } else {
02776          free_msg(msg);
02777       }
02778       
02779       for (i=0;i<=stack->b_num; i++) {
02780          if (stack->bc[i].evq != EVENT_NOTHING) {
02781             cb_log(4, stack->port, "Firing Queued Event %s because L1 got up\n", isdn_get_info(msgs_g, stack->bc[i].evq, 0));
02782             misdn_lib_send_event(&stack->bc[i],stack->bc[i].evq);
02783             stack->bc[i].evq=EVENT_NOTHING;
02784          }
02785          
02786       }
02787       return 1;
02788 
02789    case PH_ACTIVATE | REQUEST:
02790       free_msg(msg);
02791       cb_log(3,stack->port,"L1: PH_ACTIVATE|REQUEST \n");
02792       return 1;
02793       
02794    case PH_DEACTIVATE | REQUEST:
02795       free_msg(msg);
02796       cb_log(3,stack->port,"L1: PH_DEACTIVATE|REQUEST \n");
02797       return 1;
02798       
02799    case PH_DEACTIVATE | CONFIRM:
02800    case PH_DEACTIVATE | INDICATION:
02801       cb_log (3, stack->port, "L1: PH L1Link Down! \n");
02802    
02803 #if 0
02804       for (i=0; i<=stack->b_num; i++) {
02805          if (global_state == MISDN_INITIALIZED)  {
02806             cb_event(EVENT_CLEANUP, &stack->bc[i], glob_mgr->user_data);
02807          }
02808       }
02809 #endif
02810       
02811       if (stack->nt) {
02812          if (stack->nst.l1_l2(&stack->nst, msg))
02813             free_msg(msg);
02814       } else {
02815          free_msg(msg);
02816       }
02817       
02818       stack->l1link=0;
02819       stack->l2link=0;
02820       return 1;
02821    }
02822   
02823    return 0;
02824 }

static int handle_l2 ( msg_t *  msg  )  [static]

Definition at line 2826 of file isdn_lib.c.

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

Referenced by manager_isdn_handler().

02827 {
02828    iframe_t *frm = (iframe_t*) msg->data;
02829 
02830    struct misdn_stack *stack = find_stack_by_addr(frm->addr);
02831    
02832    if (!stack) {
02833       return 0 ;
02834    }
02835    
02836    switch(frm->prim) {
02837 
02838    case DL_ESTABLISH | REQUEST:
02839       cb_log(1,stack->port,"DL_ESTABLISH|REQUEST \n");
02840       return 1;
02841    case DL_RELEASE | REQUEST:
02842       cb_log(1,stack->port,"DL_RELEASE|REQUEST \n");
02843       return 1;
02844       
02845    case DL_ESTABLISH | INDICATION:
02846    case DL_ESTABLISH | CONFIRM:
02847    {
02848       cb_log (3, stack->port, "L2: L2Link Up! \n");
02849       if (stack->ptp && stack->l2link) {
02850          cb_log (-1, stack->port, "L2: L2Link Up! but it's already UP.. must be faulty, blocking port\n"); 
02851          cb_event(EVENT_PORT_ALARM, &stack->bc[0], glob_mgr->user_data);
02852       }
02853       stack->l2link=1;
02854       free_msg(msg);
02855       return 1;
02856    }
02857    break;
02858     
02859    case DL_RELEASE | INDICATION:
02860    case DL_RELEASE | CONFIRM:
02861    {
02862       cb_log (3, stack->port, "L2: L2Link Down! \n");
02863       stack->l2link=0;
02864       
02865       free_msg(msg);
02866       return 1;
02867    }
02868    break;
02869    }
02870    return 0;
02871 }

static int handle_mgmt ( msg_t *  msg  )  [static]

Definition at line 2873 of file isdn_lib.c.

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

Referenced by manager_isdn_handler().

02874 {
02875    iframe_t *frm = (iframe_t*) msg->data;
02876    struct misdn_stack *stack;
02877 
02878    if ( (frm->addr == 0) && (frm->prim == (MGR_DELLAYER|CONFIRM)) ) {
02879       cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: 0 !\n") ;
02880       free_msg(msg);
02881       return 1;
02882    }
02883    
02884    stack = find_stack_by_addr(frm->addr);
02885    
02886    if (!stack) {
02887       if (frm->prim == (MGR_DELLAYER|CONFIRM)) {
02888          cb_log(2, 0, "MGMT: DELLAYER|CONFIRM Addr: %x !\n",
02889                frm->addr) ;
02890          free_msg(msg);
02891          return 1;
02892       }
02893       
02894       return 0;
02895    }
02896    
02897    switch(frm->prim) {
02898    case MGR_SHORTSTATUS | INDICATION:
02899    case MGR_SHORTSTATUS | CONFIRM:
02900       cb_log(5, 0, "MGMT: Short status dinfo %x\n",frm->dinfo);
02901       
02902       switch (frm->dinfo) {
02903       case SSTATUS_L1_ACTIVATED:
02904          cb_log(3, 0, "MGMT: SSTATUS: L1_ACTIVATED \n");
02905          stack->l1link=1;
02906       
02907          break;
02908       case SSTATUS_L1_DEACTIVATED:
02909          cb_log(3, 0, "MGMT: SSTATUS: L1_DEACTIVATED \n");
02910          stack->l1link=0;
02911 #if 0
02912          clear_l3(stack);
02913 #endif
02914          break;
02915 
02916       case SSTATUS_L2_ESTABLISHED:
02917          cb_log(3, stack->port, "MGMT: SSTATUS: L2_ESTABLISH \n");
02918 
02919          /*when the L2 goes UP, L1 needs to be UP too*/
02920          stack->l1link=1;
02921          stack->l2link=1;
02922          break;
02923          
02924       case SSTATUS_L2_RELEASED:
02925          cb_log(3, stack->port, "MGMT: SSTATUS: L2_RELEASED \n");
02926          stack->l2link=0;
02927          break;
02928       }
02929       
02930       free_msg(msg);
02931       return 1;
02932       
02933    case MGR_SETSTACK | INDICATION:
02934       cb_log(4, stack->port, "MGMT: SETSTACK|IND dinfo %x\n",frm->dinfo);
02935       free_msg(msg);
02936       return 1;
02937    case MGR_DELLAYER | CONFIRM:
02938       cb_log(4, stack->port, "MGMT: DELLAYER|CNF dinfo %x\n",frm->dinfo) ;
02939       free_msg(msg);
02940       return 1;
02941       
02942    }
02943    
02944    /*
02945    if ( (frm->prim & 0x0f0000) ==  0x0f0000) {
02946    cb_log(5, 0, "$$$ MGMT FRAME: prim %x addr %x dinfo %x\n",frm->prim, frm->addr, frm->dinfo) ;
02947    free_msg(msg);
02948    return 1;
02949    } */
02950     
02951    return 0;
02952 }

static int handle_timers ( msg_t *  msg  )  [static]

Definition at line 2136 of file isdn_lib.c.

References cb_log, glob_mgr, misdn_stack::midev, misdn_stack::next, misdn_stack::nst, misdn_stack::nt, and misdn_lib::stack_list.

Referenced by manager_isdn_handler().

02137 {
02138    iframe_t *frm= (iframe_t*)msg->data;
02139    struct misdn_stack *stack; 
02140   
02141    /* Timer Stuff */
02142    switch (frm->prim) {
02143    case MGR_INITTIMER | CONFIRM:
02144    case MGR_ADDTIMER | CONFIRM:
02145    case MGR_DELTIMER | CONFIRM:
02146    case MGR_REMOVETIMER | CONFIRM:
02147       free_msg(msg);
02148       return(1);
02149    }
02150   
02151   
02152   
02153    if (frm->prim==(MGR_TIMER | INDICATION) ) {
02154       for (stack = glob_mgr->stack_list;
02155            stack;
02156            stack = stack->next) {
02157          itimer_t *it;
02158       
02159          if (!stack->nt) continue;
02160       
02161          it = stack->nst.tlist;
02162          /* find timer */
02163          for(it=stack->nst.tlist;
02164              it;
02165              it=it->next) {
02166             if (it->id == (int)frm->addr)
02167                break;
02168          }
02169          if (it) {
02170             int ret;
02171             ret = mISDN_write_frame(stack->midev, msg->data, frm->addr,
02172                      MGR_TIMER | RESPONSE, 0, 0, NULL, TIMEOUT_1SEC);
02173             test_and_clear_bit(FLG_TIMER_RUNING, (long unsigned int *)&it->Flags);
02174             ret = it->function(it->data);
02175             free_msg(msg);
02176             return 1;
02177          }
02178       }
02179     
02180       cb_log(0, 0, "Timer Msg without Timer ??\n");
02181       free_msg(msg);
02182       return 1;
02183    }
02184   
02185    return 0;
02186 }

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

IFACE

Definition at line 1129 of file isdn_lib.c.

References misdn_bchannel::astbuf, misdn_stack::bc, bc_state_change(), BCHAN_CLEANED, cb_log, empty_bc(), send_lock::lock, malloc, MISDN_IBUF_SIZE, misdn_bchannel::msn, 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().

01130 {
01131    unsigned char buff[1025] = "";
01132    iframe_t *frm = (iframe_t *)buff;
01133    int ret;
01134   
01135    if (!bc) return -1;
01136   
01137    cb_log(8, port, "Init.BC %d.\n",bidx);
01138    
01139    memset(bc, 0,sizeof(struct misdn_bchannel));
01140 
01141    bc->send_lock=malloc(sizeof(struct send_lock));
01142    if (!bc->send_lock) {
01143       return -1;
01144    }
01145    pthread_mutex_init(&bc->send_lock->lock, NULL);
01146    
01147    if (msn) {
01148       int l = sizeof(bc->msn);
01149       strncpy(bc->msn,msn, l);
01150       bc->msn[l-1] = 0;
01151    }
01152    
01153    
01154    empty_bc(bc);
01155    bc_state_change(bc, BCHAN_CLEANED);
01156    
01157    bc->port=stack->port;
01158    bc->nt=stack->nt?1:0;
01159    bc->pri=stack->pri;
01160    
01161    {
01162       ibuffer_t* ibuf= init_ibuffer(MISDN_IBUF_SIZE);
01163 
01164       if (!ibuf) return -1;
01165       
01166       clear_ibuffer( ibuf);
01167       
01168       ibuf->rsem=malloc(sizeof(sem_t));
01169       if (!ibuf->rsem) {
01170          return -1;
01171       }
01172       
01173       bc->astbuf=ibuf;
01174 
01175       if (sem_init(ibuf->rsem,1,0)<0)
01176          sem_init(ibuf->rsem,0,0);
01177       
01178    }
01179    
01180    {
01181       stack_info_t *stinf;
01182       ret = mISDN_get_stack_info(midev, stack->port, buff, sizeof(buff));
01183       if (ret < 0) {
01184          cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01185          return -1;
01186       }
01187     
01188       stinf = (stack_info_t *)&frm->data.p;
01189     
01190       cb_log(8, port, " --> Child %x\n",stinf->child[bidx]);
01191    }
01192   
01193    return 0;
01194 }

static void init_flip_bits ( void   )  [static]

Definition at line 306 of file isdn_lib.c.

References flip_table.

Referenced by misdn_lib_init().

00307 {
00308    int i,k;
00309    
00310    for (i = 0 ; i < 256 ; i++) {
00311       unsigned char sample = 0 ;
00312       for (k = 0; k<8; k++) {
00313          if ( i & 1 << k ) sample |= 0x80 >>  k;
00314       }
00315       flip_table[i] = sample;
00316    }
00317 }

void isdn_lib_stop_dtmf ( struct misdn_bchannel bc  ) 

Definition at line 4301 of file isdn_lib.c.

References misdn_stack::bc, and manager_ph_control().

Referenced by process_ast_dsp().

04302 {
04303    manager_ph_control(bc, DTMF_TONE_STOP, 0);
04304 }

void isdn_lib_update_ec ( struct misdn_bchannel bc  ) 

Definition at line 4289 of file isdn_lib.c.

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

Referenced by process_ast_dsp().

04290 {
04291 #ifdef MISDN_1_2
04292    if (*bc->pipeline)
04293 #else
04294    if (bc->ec_enable)
04295 #endif
04296       manager_ec_enable(bc);
04297    else
04298       manager_ec_disable(bc);
04299 }

void isdn_lib_update_rxgain ( struct misdn_bchannel bc  ) 

Definition at line 4279 of file isdn_lib.c.

References misdn_stack::bc, manager_ph_control(), and misdn_bchannel::rxgain.

Referenced by process_ast_dsp().

04280 {
04281    manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
04282 }

void isdn_lib_update_txgain ( struct misdn_bchannel bc  ) 

Definition at line 4284 of file isdn_lib.c.

References misdn_stack::bc, manager_ph_control(), and misdn_bchannel::txgain.

Referenced by process_ast_dsp().

04285 {
04286    manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
04287 }

void manager_bchannel_activate ( struct misdn_bchannel bc  ) 

Definition at line 4162 of file isdn_lib.c.

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

04163 {
04164    char buf[128];
04165 
04166    struct misdn_stack *stack=get_stack_by_bc(bc);
04167 
04168    if (!stack) {
04169       cb_log(0, bc->port, "bchannel_activate: Stack not found !");
04170       return ;
04171    }
04172    
04173    /* we must activate if we are deactivated */
04174    clear_ibuffer(bc->astbuf);
04175    
04176    cb_log(5, stack->port, "$$$ Bchan Activated addr %x\n", bc->addr);
04177    
04178    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN,  DL_ESTABLISH | REQUEST, 0,0, NULL, TIMEOUT_1SEC);
04179 
04180    return ;
04181 }

void manager_bchannel_cleanup ( struct misdn_bchannel bc  ) 

void manager_bchannel_deactivate ( struct misdn_bchannel bc  ) 

Definition at line 4184 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::astbuf, misdn_stack::bc, 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_bchannel::port, and misdn_stack::port.

Referenced by clean_up_bc().

04185 {
04186    struct misdn_stack *stack=get_stack_by_bc(bc);
04187    iframe_t dact;
04188    char buf[128]; 
04189 
04190    switch (bc->bc_state) {
04191       case BCHAN_ACTIVATED:
04192          break;
04193       case BCHAN_BRIDGED:
04194          misdn_split_conf(bc,bc->conf_id);
04195          break;
04196       default:
04197          cb_log( 4, bc->port,"bchan_deactivate: called but not activated\n");
04198          return ;
04199 
04200    }
04201    
04202    cb_log(5, stack->port, "$$$ Bchan deActivated addr %x\n", bc->addr);
04203    
04204    bc->generate_tone=0;
04205    
04206    dact.prim = DL_RELEASE | REQUEST;
04207    dact.addr = bc->addr | FLG_MSG_DOWN;
04208    dact.dinfo = 0;
04209    dact.len = 0;
04210    mISDN_write_frame(stack->midev, buf, bc->addr | FLG_MSG_DOWN, DL_RELEASE|REQUEST,0,0,NULL, TIMEOUT_1SEC);
04211 
04212    clear_ibuffer(bc->astbuf);
04213    
04214    bc_state_change(bc,BCHAN_RELEASE);
04215   
04216    return;
04217 }

void manager_bchannel_setup ( struct misdn_bchannel bc  ) 

void manager_clean_bc ( struct misdn_bchannel bc  ) 

Definition at line 4328 of file isdn_lib.c.

References misdn_stack::bc, 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().

04329 {
04330    struct misdn_stack *stack=get_stack_by_bc(bc);
04331    
04332    if (bc->channel>0)
04333       empty_chan_in_stack(stack, bc->channel);
04334    empty_bc(bc);
04335    bc->in_use=0;
04336 
04337    cb_event(EVENT_CLEANUP, bc, NULL); 
04338 }

void manager_ec_disable ( struct misdn_bchannel bc  ) 

Definition at line 4517 of file isdn_lib.c.

References misdn_stack::bc, 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(), isdn_lib_update_ec(), and misdn_toggle_echocancel().

04518 {
04519    struct misdn_stack *stack=get_stack_by_bc(bc);
04520    
04521    cb_log(4, stack?stack->port:0," --> ec_disable\n");
04522 
04523    if (!misdn_cap_is_speech(bc->capability)) {
04524       cb_log(1, stack?stack->port:0, " --> no speech? cannot disable EC\n");
04525       return;
04526    }
04527 
04528 #ifdef MISDN_1_2
04529    manager_ph_control_block(bc, PIPELINE_CFG, "", 0);
04530 #else
04531    if ( ! bc->ec_enable) {
04532       cb_log(3, stack?stack->port:0, "Sending Control ECHOCAN_OFF\n");
04533       manager_ph_control(bc,  ECHOCAN_OFF, 0);
04534    }
04535 #endif
04536 }

void manager_ec_enable ( struct misdn_bchannel bc  ) 

Definition at line 4468 of file isdn_lib.c.

References misdn_stack::bc, 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_event(), isdn_lib_update_ec(), misdn_lib_send_event(), and misdn_toggle_echocancel().

04469 {
04470    struct misdn_stack *stack=get_stack_by_bc(bc);
04471    
04472    cb_log(4, stack?stack->port:0,"ec_enable\n");
04473 
04474    if (!misdn_cap_is_speech(bc->capability)) {
04475       cb_log(1, stack?stack->port:0, " --> no speech? cannot enable EC\n");
04476    } else {
04477 
04478 #ifdef MISDN_1_2
04479    if (*bc->pipeline) {
04480       cb_log(3, stack?stack->port:0,"Sending Control PIPELINE_CFG %s\n",bc->pipeline);
04481       manager_ph_control_block(bc, PIPELINE_CFG, bc->pipeline, strlen(bc->pipeline) + 1);
04482    }
04483 #else
04484    int ec_arr[2];
04485 
04486    if (bc->ec_enable) {
04487       cb_log(3, stack?stack->port:0,"Sending Control ECHOCAN_ON taps:%d\n",bc->ec_deftaps);
04488    
04489       switch (bc->ec_deftaps) {
04490       case 4:
04491       case 8:
04492       case 16:
04493       case 32:
04494       case 64:
04495       case 128:
04496       case 256:
04497       case 512:
04498       case 1024:
04499          cb_log(4, stack->port, "Taps is %d\n",bc->ec_deftaps);
04500          break;
04501       default:
04502          cb_log(0, stack->port, "Taps should be power of 2\n");
04503          bc->ec_deftaps=128;
04504       }
04505    
04506       ec_arr[0]=bc->ec_deftaps;
04507       ec_arr[1]=0;
04508       
04509       manager_ph_control_block(bc,  ECHOCAN_ON,  ec_arr, sizeof(ec_arr));
04510    }
04511 #endif
04512    }
04513 }

static void manager_event_handler ( void *  arg  )  [static]

Definition at line 3872 of file isdn_lib.c.

References misdn_lib::activatequeue, cb_log, clean_up_bc(), misdn_stack::downqueue, find_bc_by_l3id(), find_stack_by_port(), glob_mgr, handle_frm(), handle_frm_nt(), misdn_lib::midev, misdn_make_dummy(), misdn_lib::new_msg, misdn_stack::next, misdn_stack::nst, misdn_stack::nt, misdn_stack::port, misdn_bchannel::port, send_msg(), misdn_lib::stack_list, and misdn_stack::upqueue.

03873 {
03874    sem_post(&handler_started); 
03875    while (1) {
03876       struct misdn_stack *stack;
03877       msg_t *msg;
03878     
03879       /** wait for events **/
03880       sem_wait(&glob_mgr->new_msg);
03881     
03882       for (msg=msg_dequeue(&glob_mgr->activatequeue);
03883            msg;
03884            msg=msg_dequeue(&glob_mgr->activatequeue)
03885          )
03886       {
03887    
03888          iframe_t *frm =  (iframe_t*) msg->data ;
03889 
03890          switch ( frm->prim) {
03891 
03892          case MGR_CLEARSTACK | REQUEST:
03893             /*a queued bchannel cleanup*/
03894             {
03895                struct misdn_stack *stack=find_stack_by_port(frm->dinfo);
03896                struct misdn_bchannel *bc;
03897                if (!stack) {
03898                   cb_log(0,0,"no stack found with port [%d]!! so we cannot cleanup the bc\n",frm->dinfo);
03899                   free_msg(msg);
03900                   break;
03901                }
03902                
03903                bc = find_bc_by_l3id(stack, frm->addr);
03904                if (bc) {
03905                   cb_log(1,bc->port,"CLEARSTACK queued, cleaning up\n");
03906                   clean_up_bc(bc);
03907                } else {
03908                   cb_log(0,stack->port,"bc could not be cleaned correctly !! addr [%x]\n",frm->addr);
03909                }
03910             }
03911             free_msg(msg); 
03912             break;
03913          case MGR_SETSTACK | REQUEST :
03914             /* Warning: memory leak here if we get this message */
03915             break;
03916          default:
03917             mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
03918             free_msg(msg);
03919          }
03920       }
03921 
03922       for (stack=glob_mgr->stack_list;
03923            stack;
03924            stack=stack->next ) { 
03925 
03926          while ( (msg=msg_dequeue(&stack->upqueue)) ) {
03927             /** Handle L2/3 Signalling after bchans **/ 
03928             if (!handle_frm_nt(msg)) {
03929                /* Maybe it's TE */
03930                if (!handle_frm(msg)) {
03931                   /* wow none! */
03932                   cb_log(0,stack->port,"Wow we've got a strange issue while dequeueing a Frame\n");
03933                }
03934             }
03935          }
03936 
03937          /* Here we should check if we really want to 
03938             send all the messages we've queued, lets 
03939             assume we've queued a Disconnect, but 
03940             received it already from the other side!*/
03941            
03942          while ( (msg=msg_dequeue(&stack->downqueue)) ) {
03943             if (stack->nt ) {
03944                if (stack->nst.manager_l3(&stack->nst, msg))
03945                   cb_log(0, stack->port, "Error@ Sending Message in NT-Stack.\n");
03946      
03947             } else {
03948                iframe_t *frm = (iframe_t *)msg->data;
03949                struct misdn_bchannel *bc = find_bc_by_l3id(stack, frm->dinfo);
03950                if (bc)
03951                   send_msg(glob_mgr->midev, bc, msg);
03952                else  {
03953                   if (frm->dinfo == MISDN_ID_GLOBAL) {
03954                      struct misdn_bchannel dummybc;
03955                      misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03956                      send_msg(glob_mgr->midev, &dummybc, msg);
03957                   }
03958                }
03959             }
03960          }
03961       }
03962    }
03963 }

struct misdn_bchannel * manager_find_bc_by_pid ( int  pid  ) 

Definition at line 3104 of file isdn_lib.c.

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

Referenced by misdn_lib_pid_restart().

03105 {
03106    struct misdn_stack *stack;
03107    int i;
03108   
03109    for (stack=glob_mgr->stack_list;
03110         stack;
03111         stack=stack->next) {
03112       for (i=0; i<=stack->b_num; i++)
03113          if (stack->bc[i].pid == pid) return &stack->bc[i];
03114    }
03115   
03116    return NULL;
03117 }

struct misdn_bchannel * manager_find_bc_holded ( struct misdn_bchannel bc  ) 

Definition at line 3119 of file isdn_lib.c.

References misdn_stack::bc, find_bc_holded(), and get_stack_by_bc().

03120 {
03121    struct misdn_stack *stack=get_stack_by_bc(bc);
03122    return find_bc_holded(stack);
03123 }

char* manager_isdn_get_info ( enum event_e  event  ) 

Definition at line 4157 of file isdn_lib.c.

References isdn_get_info(), and msgs_g.

Referenced by cb_events().

04158 {
04159    return isdn_get_info(msgs_g , event, 0);
04160 }

int manager_isdn_handler ( iframe_t *  frm,
msg_t *  msg 
)

Definition at line 3661 of file isdn_lib.c.

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

Referenced by misdn_lib_isdn_event_catcher().

03662 {  
03663 
03664    if (frm->dinfo==0xffffffff && frm->prim==(PH_DATA|CONFIRM)) {
03665       cb_log(0,0,"SERIOUS BUG, dinfo == 0xffffffff, prim == PH_DATA | CONFIRM !!!!\n");
03666    }
03667 
03668    if ( ((frm->addr | ISDN_PID_BCHANNEL_BIT )>> 28 ) == 0x5) {
03669       static int unhandled_bmsg_count=1000;
03670       if (handle_bchan(msg)) {
03671          return 0 ;
03672       }
03673          
03674       if (unhandled_bmsg_count==1000) {
03675          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);     
03676          unhandled_bmsg_count=0;
03677       }
03678 
03679       unhandled_bmsg_count++;
03680       free_msg(msg);
03681       return 0;
03682    }  
03683 
03684 #ifdef RECV_FRM_SYSLOG_DEBUG
03685    syslog(LOG_NOTICE,"mISDN recv: P(%02d): ADDR:%x PRIM:%x DINFO:%x\n",stack->port, frm->addr, frm->prim, frm->dinfo);
03686 #endif
03687 
03688    if (handle_timers(msg)) 
03689       return 0 ;
03690 
03691    
03692    if (handle_mgmt(msg)) 
03693       return 0 ; 
03694    
03695    if (handle_l2(msg)) 
03696       return 0 ;
03697 
03698    /* Its important to handle l1 AFTER l2  */
03699    if (handle_l1(msg)) 
03700       return 0 ;
03701    
03702    if (handle_frm_nt(msg)) {
03703       return 0;
03704    }
03705 
03706    if (handle_frm(msg)) {
03707       return 0;
03708    }
03709 
03710    if (handle_err(msg)) {
03711       return 0 ;
03712    }
03713 
03714 // 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);      
03715    free_msg(msg);
03716    
03717 
03718    return 0;
03719 }

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

Definition at line 4258 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, glob_mgr, misdn_lib::midev, and misdn_bchannel::port.

Referenced by handle_event(), 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().

04259 {
04260    unsigned char buffer[mISDN_HEADER_LEN+2*sizeof(int)];
04261    iframe_t *ctrl = (iframe_t *)buffer; /* preload data */
04262    unsigned int *d = (unsigned int*)&ctrl->data.p;
04263    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04264    
04265    cb_log(4,bc->port,"ph_control: c1:%x c2:%x\n",c1,c2);
04266    
04267    ctrl->prim = PH_CONTROL | REQUEST;
04268    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04269    ctrl->dinfo = 0;
04270    ctrl->len = sizeof(unsigned int)*2;
04271    *d++ = c1;
04272    *d++ = c2;
04273    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04274 }

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

Definition at line 4309 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, glob_mgr, and misdn_lib::midev.

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

04310 {
04311    unsigned char buffer[mISDN_HEADER_LEN+sizeof(int)+c2_len];
04312    iframe_t *ctrl = (iframe_t *)buffer;
04313    unsigned int *d = (unsigned int *)&ctrl->data.p;
04314    /*struct misdn_stack *stack=get_stack_by_bc(bc);*/
04315    
04316    ctrl->prim = PH_CONTROL | REQUEST;
04317    ctrl->addr = bc->addr | FLG_MSG_DOWN;
04318    ctrl->dinfo = 0;
04319    ctrl->len = sizeof(unsigned int) + c2_len;
04320    *d++ = c1;
04321    memcpy(d, c2, c2_len);
04322    mISDN_write(glob_mgr->midev, ctrl, mISDN_HEADER_LEN+ctrl->len, TIMEOUT_1SEC);
04323 }

int misdn_cap_is_speech ( int  cap  ) 

Poor mans version

Definition at line 421 of file isdn_lib.c.

References INFO_CAPABILITY_DIGITAL_RESTRICTED, and INFO_CAPABILITY_DIGITAL_UNRESTRICTED.

Referenced by cb_events(), handle_bchan(), handle_event(), manager_ec_disable(), manager_ec_enable(), misdn_lib_send_event(), and misdn_lib_tx2misdn_frm().

00423 {
00424    if ( (cap != INFO_CAPABILITY_DIGITAL_UNRESTRICTED) &&
00425         (cap != INFO_CAPABILITY_DIGITAL_RESTRICTED) ) return 1;
00426    return 0;
00427 }

void misdn_dump_chanlist ( void   ) 

Definition at line 459 of file isdn_lib.c.

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

Referenced by misdn_show_cls().

00460 {
00461    struct misdn_stack *stack=get_misdn_stack();
00462    for ( ; stack; stack=stack->next) {
00463       dump_chan_list(stack);
00464    }
00465 
00466 }

int misdn_inband_avail ( struct misdn_bchannel bc  ) 

Definition at line 429 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(), and misdn_indication().

00430 {
00431 
00432    if (!bc->early_bconnect) {
00433       /* We have opted to never receive any available inband recorded messages */
00434       return 0;
00435    }
00436    
00437    switch (bc->progress_indicator) {
00438    case INFO_PI_INBAND_AVAILABLE:
00439    case INFO_PI_CALL_NOT_E2E_ISDN:
00440    case INFO_PI_CALLED_NOT_ISDN:
00441       return 1;
00442    default:
00443       return 0;
00444    }
00445    return 0;
00446 }

void misdn_join_conf ( struct misdn_bchannel bc,
int  conf_id 
)

Definition at line 4544 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, 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().

04545 {
04546    char data[16] = "";
04547 
04548    bc_state_change(bc,BCHAN_BRIDGED);
04549    manager_ph_control(bc, CMX_RECEIVE_OFF, 0);
04550    manager_ph_control(bc, CMX_CONF_JOIN, conf_id);
04551 
04552    cb_log(3,bc->port, "Joining bc:%x in conf:%d\n",bc->addr,conf_id);
04553 
04554    misdn_lib_tx2misdn_frm(bc, data, sizeof(data) - 1);
04555 }

void misdn_lib_bridge ( struct misdn_bchannel bc1,
struct misdn_bchannel bc2 
)

Definition at line 4567 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().

04568 {
04569    int conf_id = bc1->pid + 1;
04570    struct misdn_bchannel *bc_list[] = { bc1, bc2, NULL };
04571    struct misdn_bchannel **bc;
04572 
04573    cb_log(4, bc1->port, "I Send: BRIDGE from:%d to:%d\n",bc1->port,bc2->port);
04574 
04575    for (bc=bc_list; *bc;  bc++) { 
04576       (*bc)->conf_id=conf_id;
04577       cb_log(4, (*bc)->port, " --> bc_addr:%x\n",(*bc)->addr);
04578    
04579       switch((*bc)->bc_state) {
04580          case BCHAN_ACTIVATED:
04581             misdn_join_conf(*bc,conf_id);
04582             break;
04583          default:
04584             bc_next_state_change(*bc,BCHAN_BRIDGED);
04585             break;
04586       }
04587    }
04588 }

void misdn_lib_destroy ( void   ) 

Definition at line 4124 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, glob_mgr, global_state, misdn_stack::midev, misdn_lib::midev, MISDN_INITIALIZED, misdn_stack::next, misdn_stack::port, stack_destroy(), misdn_lib::stack_list, and te_lib_destroy().

Referenced by unload_module().

04125 {
04126    struct misdn_stack *help;
04127    int i;
04128   
04129    for ( help=glob_mgr->stack_list; help; help=help->next ) {
04130       for(i=0;i<=help->b_num; i++) {
04131          char buf[1024];
04132          mISDN_write_frame(help->midev, buf, help->bc[i].addr, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
04133          help->bc[i].addr = 0;
04134       }
04135       cb_log (1, help->port, "Destroying this port.\n");
04136       stack_destroy(help);
04137    }
04138    
04139    if (global_state == MISDN_INITIALIZED) {
04140       cb_log(4, 0, "Killing Handler Thread\n");
04141       if ( pthread_cancel(glob_mgr->event_handler_thread) == 0 ) {
04142          cb_log(4, 0, "Joining Handler Thread\n");
04143          pthread_join(glob_mgr->event_handler_thread, NULL);
04144       }
04145      
04146       cb_log(4, 0, "Killing Main Thread\n");
04147       if ( pthread_cancel(glob_mgr->event_thread) == 0 ) {
04148          cb_log(4, 0, "Joining Main Thread\n");
04149          pthread_join(glob_mgr->event_thread, NULL);
04150       }
04151    }
04152   
04153    cb_log(1, 0, "Closing mISDN device\n");
04154    te_lib_destroy(glob_mgr->midev);
04155 }

void misdn_lib_echo ( struct misdn_bchannel bc,
int  onoff 
)

Definition at line 4610 of file isdn_lib.c.

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

04611 {
04612    cb_log(3,bc->port, " --> ECHO %s\n", onoff?"ON":"OFF");
04613    manager_ph_control(bc, onoff?CMX_ECHO_ON:CMX_ECHO_OFF, 0);
04614 }

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

Definition at line 3167 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, glob_mgr, MAX_BCHANS, misdn_stack::next, misdn_stack::port, prepare_bc(), misdn_stack::pri, misdn_stack::ptp, misdn_lib::stack_list, and test_inuse().

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

03168 {
03169    struct misdn_stack *stack;
03170    int i;
03171    
03172    if (channel < 0 || channel > MAX_BCHANS) {
03173       cb_log(0,port,"Requested channel out of bounds (%d)\n",channel);
03174       return NULL;
03175    }
03176 
03177    usleep(1000);
03178 
03179    for (stack=glob_mgr->stack_list; stack; stack=stack->next) {
03180     
03181       if (stack->port == port) {
03182          int maxnum;
03183 
03184          if (stack->blocked) {
03185             cb_log(0,port,"Port is blocked\n");
03186             return NULL;
03187          }
03188       
03189          if (channel > 0) {
03190             if (channel <= stack->b_num) {
03191                for (i = 0; i < stack->b_num; i++) {
03192                   if ( stack->bc[i].channel == channel) {
03193                      if (test_inuse(&stack->bc[i])) { 
03194                         cb_log(0,port,"Requested channel:%d on port:%d is already in use\n",channel, port);
03195                         return NULL;
03196 
03197                      } else {
03198                         prepare_bc(&stack->bc[i], channel);
03199                         return &stack->bc[i];
03200                      }
03201                   }
03202                }
03203             } else {
03204                cb_log(0,port,"Requested channel:%d is out of bounds on port:%d\n",channel, port);
03205                return NULL;
03206             }
03207          }
03208 
03209          maxnum = inout && !stack->pri && !stack->ptp ? stack->b_num + 1 : stack->b_num;
03210 
03211          if (dec) {
03212             for (i = maxnum-1; i>=0; i--) {
03213                if (!test_inuse(&stack->bc[i])) {
03214                   /* 3. channel on bri means CW*/
03215                   if (!stack->pri && i==stack->b_num)
03216                      stack->bc[i].cw=1;
03217                      
03218                   prepare_bc(&stack->bc[i], channel);
03219                   stack->bc[i].dec=1;
03220                   return &stack->bc[i];
03221                }
03222             }
03223          } else {
03224             for (i = 0; i <maxnum; i++) {
03225                if (!test_inuse(&stack->bc[i])) {
03226                   /* 3. channel on bri means CW*/
03227                   if (!stack->pri && i==stack->b_num)
03228                      stack->bc[i].cw=1;
03229 
03230                   prepare_bc(&stack->bc[i], channel);
03231                   return &stack->bc[i];
03232                }
03233             }
03234          }
03235 
03236          cb_log(1,port,"There is no free channel on port (%d)\n",port);
03237          return NULL;
03238       }
03239    }
03240 
03241    cb_log(0,port,"Port is not configured (%d)\n",port);
03242    return NULL;
03243 }

static int misdn_lib_get_l1_down ( struct misdn_stack stack  )  [static]

Definition at line 776 of file isdn_lib.c.

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

Referenced by handle_err(), and misdn_lib_get_port_down().

00777 {
00778    /* Pull Up L1 */ 
00779    iframe_t act;
00780    act.prim = PH_DEACTIVATE | REQUEST; 
00781    act.addr = stack->lower_id|FLG_MSG_DOWN;
00782    act.dinfo = 0;
00783    act.len = 0;
00784 
00785    cb_log(1, stack->port, "SENDING PH_DEACTIVATE | REQ\n");
00786    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00787 }

static int misdn_lib_get_l1_up ( struct misdn_stack stack  )  [static]

Definition at line 816 of file isdn_lib.c.

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

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

00817 {
00818    /* Pull Up L1 */ 
00819    iframe_t act;
00820    act.prim = PH_ACTIVATE | REQUEST; 
00821    act.addr = (stack->upper_id | FLG_MSG_DOWN)  ;
00822 
00823    
00824    act.dinfo = 0;
00825    act.len = 0;
00826 
00827    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00828 
00829 }

static int misdn_lib_get_l2_down ( struct misdn_stack stack  )  [static]

Definition at line 790 of file isdn_lib.c.

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

Referenced by handle_err(), and misdn_lib_get_port_down().

00791 {
00792    
00793    if (stack->ptp && (stack->nt) ) {
00794       msg_t *dmsg;
00795       /* L2 */
00796       dmsg = create_l2msg(DL_RELEASE| REQUEST, 0, 0);
00797       
00798       if (stack->nst.manager_l3(&stack->nst, dmsg))
00799          free_msg(dmsg);
00800       
00801    } else {
00802       iframe_t act;
00803       
00804       act.prim = DL_RELEASE| REQUEST;
00805       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00806       
00807       act.dinfo = 0;
00808       act.len = 0;
00809       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00810    }
00811    
00812    return 0;
00813 }

int misdn_lib_get_l2_up ( struct misdn_stack stack  ) 

Definition at line 831 of file isdn_lib.c.

References create_l2msg(), misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, 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 misdn_lib_reinit_nt_stack().

00832 {
00833    
00834    if (stack->ptp && (stack->nt) ) {
00835       msg_t *dmsg;
00836       /* L2 */
00837       dmsg = create_l2msg(DL_ESTABLISH | REQUEST, 0, 0);
00838       
00839       if (stack->nst.manager_l3(&stack->nst, dmsg))
00840          free_msg(dmsg);
00841       
00842    } else {
00843       iframe_t act;
00844       
00845       act.prim = DL_ESTABLISH | REQUEST;
00846       act.addr = (stack->upper_id |FLG_MSG_DOWN)  ;
00847       
00848       act.dinfo = 0;
00849       act.len = 0;
00850       return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00851    }
00852    
00853    return 0;
00854 }

int misdn_lib_get_maxchans ( int  port  ) 

Definition at line 117 of file isdn_lib.c.

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

Referenced by misdn_request().

00118 {
00119    struct misdn_stack *stack=get_misdn_stack();
00120    for ( ; stack; stack=stack->next) {
00121       if (stack->port == port) {
00122          if (stack->pri) 
00123             return 30;
00124          else
00125             return 2;
00126       }
00127    }
00128    return -1;
00129 }

int misdn_lib_get_port_down ( int  port  ) 

Definition at line 1731 of file isdn_lib.c.

References glob_mgr, 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 misdn_port_down().

01732 { /* Pull Down L1 */ 
01733    struct misdn_stack *stack;
01734    for (stack=glob_mgr->stack_list;
01735         stack;
01736         stack=stack->next) {
01737       if (stack->port == port) {
01738             if (stack->l2link)
01739                misdn_lib_get_l2_down(stack);
01740             misdn_lib_get_l1_down(stack);
01741          return 0;
01742       }
01743    }
01744    return 0;
01745 }

int misdn_lib_get_port_info ( int  port  ) 

Definition at line 3724 of file isdn_lib.c.

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

03725 {
03726    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03727    iframe_t *frm;
03728    struct misdn_stack *stack=find_stack_by_port(port);
03729    if (!msg) {
03730       cb_log(0, port, "misdn_lib_get_port_info: alloc_msg failed!\n");
03731       return -1;
03732    }
03733    frm=(iframe_t*)msg->data;
03734    if (!stack ) {
03735       cb_log(0, port, "There is no Stack for this port.\n");
03736       return -1;
03737    }
03738    /* activate bchannel */
03739    frm->prim = CC_STATUS_ENQUIRY | REQUEST;
03740 
03741    frm->addr = stack->upper_id| FLG_MSG_DOWN;
03742 
03743    frm->dinfo = 0;
03744    frm->len = 0;
03745   
03746    msg_queue_tail(&glob_mgr->activatequeue, msg);
03747    sem_post(&glob_mgr->new_msg);
03748 
03749   
03750    return 0; 
03751 }

int misdn_lib_get_port_up ( int  port  ) 

Definition at line 1709 of file isdn_lib.c.

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

Referenced by misdn_check_l2l1(), and misdn_port_up().

01710 { /* Pull Up L1 */ 
01711    struct misdn_stack *stack;
01712    
01713    for (stack=glob_mgr->stack_list;
01714         stack;
01715         stack=stack->next) {
01716       
01717       if (stack->port == port) {
01718 
01719          if (!stack->l1link)
01720             misdn_lib_get_l1_up(stack);
01721          if (!stack->l2link)
01722             misdn_lib_get_l2_up(stack);
01723          
01724          return 0;
01725       }
01726    }
01727    return 0;
01728 }

static int misdn_lib_get_short_status ( struct misdn_stack stack  )  [static]

Definition at line 871 of file isdn_lib.c.

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

Referenced by misdn_lib_isdn_l1watcher().

00872 {
00873    iframe_t act;
00874    
00875    
00876    act.prim = MGR_SHORTSTATUS | REQUEST; 
00877    
00878    act.addr = (stack->upper_id | MSG_BROADCAST)  ;
00879 
00880    act.dinfo = SSTATUS_BROADCAST_BIT | SSTATUS_ALL;
00881    
00882    act.len = 0;
00883    return mISDN_write(stack->midev, &act, mISDN_HEADER_LEN+act.len, TIMEOUT_1SEC);
00884 }

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

Definition at line 4016 of file isdn_lib.c.

References misdn_lib::activatequeue, misdn_stack::b_num, misdn_stack::bc, calloc, cb_event, misdn_lib_iface::cb_event, cb_jb_empty, misdn_lib_iface::cb_jb_empty, misdn_lib_iface::cb_log, cb_log, first, flip_buf_bits(), glob_mgr, init_bc(), init_flip_bits(), misdn_stack::mgr, misdn_lib::midev, misdn_stack::midev, misdn_lib_nt_debug_init(), misdn_lib::new_msg, misdn_stack::next, misdn_stack::port, ptp, stack_init(), te_lib_init(), tone_425_flip, and tone_silence_flip.

Referenced by load_module().

04017 {
04018    struct misdn_lib *mgr=calloc(1, sizeof(struct misdn_lib));
04019    char *tok, *tokb;
04020    char plist[1024];
04021    int midev;
04022    int port_count=0;
04023  
04024    cb_log = iface->cb_log;
04025    cb_event = iface->cb_event;
04026    cb_jb_empty = iface->cb_jb_empty;
04027    
04028    glob_mgr = mgr;
04029   
04030    msg_init();
04031 
04032    misdn_lib_nt_debug_init(0,NULL);
04033    
04034    if (!portlist || (*portlist == 0) ) return 1;
04035    
04036    init_flip_bits();
04037    
04038    {
04039       strncpy(plist,portlist, 1024);
04040       plist[1023] = 0;
04041    }
04042   
04043    memcpy(tone_425_flip,tone_425,TONE_425_SIZE);
04044    flip_buf_bits(tone_425_flip,TONE_425_SIZE);
04045 
04046    memcpy(tone_silence_flip,tone_SILENCE,TONE_SILENCE_SIZE);
04047    flip_buf_bits(tone_silence_flip,TONE_SILENCE_SIZE);
04048   
04049    midev=te_lib_init();
04050    mgr->midev=midev;
04051 
04052    port_count=mISDN_get_stack_count(midev);
04053   
04054    msg_queue_init(&mgr->activatequeue);
04055   
04056    if (sem_init(&mgr->new_msg, 1, 0)<0)
04057       sem_init(&mgr->new_msg, 0, 0);
04058  
04059    for (tok=strtok_r(plist," ,",&tokb );
04060         tok; 
04061         tok=strtok_r(NULL," ,",&tokb)) {
04062       int port = atoi(tok);
04063       struct misdn_stack *stack;
04064       static int first=1;
04065       int ptp=0;
04066     
04067       if (strstr(tok, "ptp"))
04068          ptp=1;
04069 
04070       if (port > port_count) {
04071          cb_log(0, port, "Couldn't Initialize this port since we have only %d ports\n", port_count);
04072          exit(1);
04073       }
04074       stack=stack_init(midev, port, ptp);
04075     
04076       if (!stack) {
04077          perror("stack_init");
04078          exit(1);
04079       }
04080     
04081       {
04082          int i;
04083          for(i=0;i<=stack->b_num; i++) {
04084             int r;
04085             if ((r=init_bc(stack, &stack->bc[i], stack->midev,port,i, "", 1))<0) {
04086                cb_log(0, port, "Got Err @ init_bc :%d\n",r);
04087                exit(1);
04088             }
04089          }
04090       }
04091 
04092       if (stack && first) {
04093          mgr->stack_list=stack;
04094          first=0;
04095          continue;
04096       }
04097     
04098       if (stack) {
04099          struct misdn_stack * help;
04100          for ( help=mgr->stack_list; help; help=help->next ) 
04101             if (help->next == NULL) break;
04102          help->next=stack;
04103       }
04104     
04105    }
04106   
04107    if (sem_init(&handler_started, 1, 0)<0)
04108       sem_init(&handler_started, 0, 0);
04109   
04110    cb_log(8, 0, "Starting Event Handler\n");
04111    pthread_create( &mgr->event_handler_thread, NULL,(void*)manager_event_handler, mgr);
04112   
04113    sem_wait(&handler_started) ;
04114    cb_log(8, 0, "Starting Event Catcher\n");
04115    pthread_create( &mgr->event_thread, NULL, (void*)misdn_lib_isdn_event_catcher, mgr);
04116   
04117    cb_log(8, 0, "Event Catcher started\n");
04118 
04119    global_state= MISDN_INITIALIZED; 
04120   
04121    return (mgr == NULL);
04122 }

int misdn_lib_is_port_blocked ( int  port  ) 

Definition at line 97 of file isdn_lib.c.

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

00098 {  
00099    struct misdn_stack *stack=get_misdn_stack();
00100    for ( ; stack; stack=stack->next) {
00101       if (stack->port == port) {
00102          return stack->blocked;
00103       }
00104    }
00105    return -1;
00106 }

int misdn_lib_is_ptp ( int  port  ) 

Definition at line 108 of file isdn_lib.c.

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

Referenced by cb_events(), and do_immediate_setup().

00109 {
00110    struct misdn_stack *stack=get_misdn_stack();
00111    for ( ; stack; stack=stack->next) {
00112       if (stack->port == port) return stack->ptp;
00113    }
00114    return -1;
00115 }

static void misdn_lib_isdn_event_catcher ( void *  arg  )  [static]

Definition at line 3012 of file isdn_lib.c.

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

03013 {
03014    struct misdn_lib *mgr = arg;
03015    int zero_frm=0 , fff_frm=0 ;
03016    int midev= mgr->midev;
03017    int port=0;
03018    
03019    while (1) {
03020       msg_t *msg = fetch_msg(midev); 
03021       iframe_t *frm;
03022       
03023       
03024       if (!msg) continue;
03025       
03026       frm = (iframe_t*) msg->data;
03027       
03028       /** When we make a call from NT2Ast we get these frames **/
03029       if (frm->len == 0 && frm->addr == 0 && frm->dinfo == 0 && frm->prim == 0 ) {
03030          zero_frm++; 
03031          free_msg(msg);
03032          continue;
03033       } else {
03034          if (zero_frm) {
03035             cb_log(0, port, "*** Alert: %d zero_frms caught\n", zero_frm);
03036             zero_frm = 0 ;
03037          }
03038       }
03039       
03040       /** I get this sometimes after setup_bc **/
03041       if (frm->len == 0 &&  frm->dinfo == 0 && frm->prim == 0xffffffff ) {
03042          fff_frm++; 
03043          free_msg(msg);
03044          continue;
03045       } else {
03046          if (fff_frm) {
03047             cb_log(0, port, "*** Alert: %d fff_frms caught\n", fff_frm);
03048             fff_frm = 0 ;
03049          }
03050       }
03051       
03052       manager_isdn_handler(frm, msg);
03053    }
03054 
03055 }

void misdn_lib_isdn_l1watcher ( int  port  ) 

Definition at line 2993 of file isdn_lib.c.

References cb_log, glob_mgr, 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().

02994 {
02995    struct misdn_stack *stack;
02996 
02997    for (stack = glob_mgr->stack_list; stack && (stack->port != port); stack = stack->next)
02998       ;
02999 
03000    if (stack) {
03001       cb_log(4, port, "Checking L1 State\n");   
03002       if (!stack->l1link) {
03003          cb_log(4, port, "L1 State Down, trying to get it up again\n"); 
03004          misdn_lib_get_short_status(stack);
03005          misdn_lib_get_l1_up(stack); 
03006          misdn_lib_get_l2_up(stack); 
03007       }
03008    }
03009 }

void misdn_lib_log_ies ( struct misdn_bchannel bc  ) 

Definition at line 3288 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_bchannel::b_stid, misdn_stack::bc, bearer2str(), misdn_bchannel::cad, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, misdn_bchannel::cpnnumplan, misdn_bchannel::dnumplan, fac2str(), misdn_bchannel::fac_in, misdn_bchannel::fac_out, 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_stack::nt, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_stack::port, misdn_bchannel::pres, misdn_bchannel::progress_indicator, misdn_bchannel::rad, misdn_bchannel::rate, misdn_bchannel::rnumplan, misdn_bchannel::screen, misdn_bchannel::sending_complete, misdn_bchannel::stack_holder, misdn_bchannel::urate, and misdn_bchannel::user1.

Referenced by cb_events(), and misdn_lib_send_event().

03289 {
03290    struct misdn_stack *stack;
03291 
03292    if (!bc) return;
03293 
03294    stack = get_stack_by_bc(bc);
03295 
03296    if (!stack) return;
03297 
03298    cb_log(2, stack->port, " --> channel:%d mode:%s cause:%d ocause:%d rad:%s cad:%s\n", bc->channel, stack->nt?"NT":"TE", bc->cause, bc->out_cause, bc->rad, bc->cad);
03299    
03300    cb_log(2, stack->port,
03301           " --> info_dad:%s onumplan:%c dnumplan:%c rnumplan:%c cpnnumplan:%c\n",
03302           bc->info_dad,
03303           bc->onumplan>=0?'0'+bc->onumplan:' ',
03304           bc->dnumplan>=0?'0'+bc->dnumplan:' ',
03305           bc->rnumplan>=0?'0'+bc->rnumplan:' ',
03306           bc->cpnnumplan>=0?'0'+bc->cpnnumplan:' '
03307       );
03308    
03309    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);
03310    cb_log(4, stack->port, " --> screen:%d --> pres:%d\n",
03311          bc->screen, bc->pres);
03312    
03313    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);
03314    
03315    cb_log(4, stack->port, " --> facility:%s out_facility:%s\n",fac2str(bc->fac_in.Function),fac2str(bc->fac_out.Function));
03316 
03317    cb_log(5, stack->port, " --> urate:%d rate:%d mode:%d user1:%d\n", bc->urate, bc->rate, bc->mode,bc->user1);
03318    
03319    cb_log(5, stack->port, " --> bc:%p h:%d sh:%d\n", bc, bc->holded, bc->stack_holder);
03320 }

int misdn_lib_maxports_get ( void   ) 

Definition at line 3966 of file isdn_lib.c.

Referenced by load_module().

03967 {
03968    /* BE AWARE WE HAVE NO cb_log() HERE! */
03969 
03970    int i = mISDN_open();
03971    int max=0;
03972    
03973    if (i<0)
03974       return -1;
03975 
03976    max = mISDN_get_stack_count(i);
03977    
03978    mISDN_close(i);
03979    
03980    return max;
03981 }

void misdn_lib_nt_debug_init ( int  flags,
char *  file 
)

Definition at line 3996 of file isdn_lib.c.

References f.

Referenced by load_module(), and misdn_lib_init().

03997 {
03998    static int init=0;
03999    char *f;
04000    
04001    if (!flags) 
04002       f=NULL;
04003    else
04004       f=file;
04005 
04006    if (!init) {
04007       debug_init( flags , f, f, f);
04008       init=1;
04009    } else {
04010       debug_close();
04011       debug_init( flags , f, f, f);
04012    }
04013 }

void misdn_lib_nt_keepcalls ( int  kc  ) 

Definition at line 3984 of file isdn_lib.c.

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

Referenced by load_module().

03985 {
03986 #ifdef FEATURE_NET_KEEPCALLS
03987    if (kc) {
03988       struct misdn_stack *stack=get_misdn_stack();
03989       for ( ; stack; stack=stack->next) {
03990          stack->nst.feature |= FEATURE_NET_KEEPCALLS;
03991       }
03992    }
03993 #endif
03994 }

int misdn_lib_pid_restart ( int  pid  ) 

Definition at line 3779 of file isdn_lib.c.

References manager_clean_bc(), and manager_find_bc_by_pid().

Referenced by misdn_restart_pid().

03780 {
03781    struct misdn_bchannel *bc=manager_find_bc_by_pid(pid);
03782 
03783    if (bc) {
03784       manager_clean_bc(bc);
03785    }
03786    return 0;
03787 }

int misdn_lib_port_block ( int  port  ) 

Definition at line 71 of file isdn_lib.c.

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

Referenced by cb_events(), and misdn_port_block().

00072 {
00073    struct misdn_stack *stack=get_misdn_stack();
00074    for ( ; stack; stack=stack->next) {
00075       if (stack->port == port) {
00076          stack->blocked=1;
00077          return 0;
00078       }
00079    }
00080    return -1;
00081 
00082 }

int misdn_lib_port_is_pri ( int  port  ) 

Definition at line 49 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().

00050 {
00051    struct misdn_stack *stack=get_misdn_stack();
00052    for ( ; stack; stack=stack->next) {
00053       if (stack->port == port) {
00054          return stack->pri;
00055       }
00056    }
00057    
00058    return -1;
00059 }

int misdn_lib_port_restart ( int  port  ) 

Definition at line 3829 of file isdn_lib.c.

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

Referenced by misdn_restart_port().

03830 {
03831    struct misdn_stack *stack=find_stack_by_port(port);
03832  
03833    cb_log(0, port, "Restarting this port.\n");
03834    if (stack) {
03835       cb_log(0, port, "Stack:%p\n",stack);
03836          
03837       clear_l3(stack);
03838       {
03839          msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03840          iframe_t *frm;
03841 
03842          if (!msg) {
03843             cb_log(0, port, "port_restart: alloc_msg failed\n");
03844             return -1;
03845          }
03846          
03847          frm=(iframe_t*)msg->data;
03848          /* we must activate if we are deactivated */
03849          /* activate bchannel */
03850          frm->prim = DL_RELEASE | REQUEST;
03851          frm->addr = stack->upper_id | FLG_MSG_DOWN;
03852 
03853          frm->dinfo = 0;
03854          frm->len = 0;
03855          msg_queue_tail(&glob_mgr->activatequeue, msg);
03856          sem_post(&glob_mgr->new_msg);
03857       }
03858 
03859       if (stack->nt)
03860          misdn_lib_reinit_nt_stack(stack->port);
03861     
03862    }
03863 
03864    return 0;
03865 }

int misdn_lib_port_unblock ( int  port  ) 

Definition at line 84 of file isdn_lib.c.

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

Referenced by misdn_port_unblock().

00085 {
00086    struct misdn_stack *stack=get_misdn_stack();
00087    for ( ; stack; stack=stack->next) {
00088       if (stack->port == port) {
00089          stack->blocked=0;
00090          return 0;
00091       }
00092    }
00093    return -1;
00094 
00095 }

int misdn_lib_port_up ( int  port,
int  check 
)

Definition at line 1747 of file isdn_lib.c.

References misdn_stack::blocked, cb_log, glob_mgr, 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().

01748 {
01749    struct misdn_stack *stack;
01750 
01751 
01752    for (stack=glob_mgr->stack_list;
01753         stack;
01754         stack=stack->next) {
01755       
01756       if (stack->port == port) {
01757 
01758          if (stack->blocked) {
01759             cb_log(0,port, "Port Blocked:%d L2:%d L1:%d\n", stack->blocked, stack->l2link, stack->l1link);
01760             return -1;
01761          }
01762 
01763          if (stack->ptp ) {
01764 
01765             if (stack->l1link && stack->l2link) {
01766                return 1;
01767             } else {
01768                cb_log(1,port, "Port Down L2:%d L1:%d\n",
01769                   stack->l2link, stack->l1link);
01770                return 0;
01771             }
01772          } else {
01773             if ( !check || stack->l1link )
01774                return 1;
01775             else {
01776                cb_log(1,port, "Port down PMP\n");
01777                return 0;
01778             }
01779          }
01780       }
01781    }
01782   
01783    return -1;
01784 }

void misdn_lib_reinit_nt_stack ( int  port  ) 

Definition at line 4618 of file isdn_lib.c.

References misdn_stack::blocked, misdn_stack::d_stid, find_stack_by_port(), glob_mgr, handle_event_nt(), misdn_stack::l2link, misdn_stack::lower_id, misdn_stack::mgr, misdn_lib::midev, misdn_lib_get_l1_up(), misdn_lib_get_l2_up(), misdn_stack::nst, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upper_id.

Referenced by handle_event_nt(), and misdn_lib_port_restart().

04619 {
04620    struct misdn_stack *stack=find_stack_by_port(port);
04621    
04622    if (stack) {
04623       stack->l2link=0;
04624       stack->blocked=0;
04625    
04626       cleanup_Isdnl3(&stack->nst);
04627       cleanup_Isdnl2(&stack->nst);
04628 
04629 
04630       memset(&stack->nst, 0, sizeof(net_stack_t));
04631       memset(&stack->mgr, 0, sizeof(manager_t));
04632    
04633       stack->mgr.nst = &stack->nst;
04634       stack->nst.manager = &stack->mgr;
04635     
04636       stack->nst.l3_manager = handle_event_nt;
04637       stack->nst.device = glob_mgr->midev;
04638       stack->nst.cardnr = port;
04639       stack->nst.d_stid = stack->d_stid;
04640    
04641       stack->nst.feature = FEATURE_NET_HOLD;
04642       if (stack->ptp)
04643          stack->nst.feature |= FEATURE_NET_PTP;
04644       if (stack->pri)
04645          stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
04646       
04647       stack->nst.l1_id = stack->lower_id;
04648       stack->nst.l2_id = stack->upper_id;
04649       
04650       msg_queue_init(&stack->nst.down_queue);
04651    
04652       Isdnl2Init(&stack->nst);
04653       Isdnl3Init(&stack->nst);
04654 
04655       if (!stack->ptp)
04656          misdn_lib_get_l1_up(stack);
04657       misdn_lib_get_l2_up(stack);
04658    }
04659 }

void misdn_lib_release ( struct misdn_bchannel bc  ) 

Definition at line 1689 of file isdn_lib.c.

References misdn_stack::bc, 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().

01690 {
01691    struct misdn_stack *stack=get_stack_by_bc(bc);
01692 
01693    if (!stack) {
01694       cb_log(1,0,"misdn_release: No Stack found\n");
01695       return;
01696    }
01697    
01698    if (bc->channel>0) 
01699       empty_chan_in_stack(stack,bc->channel);
01700    
01701    empty_bc(bc);
01702    clean_up_bc(bc);
01703    bc->in_use=0;
01704 }

int misdn_lib_send_event ( struct misdn_bchannel bc,
enum event_e  event 
)

Definition at line 3339 of file isdn_lib.c.

References misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), bc_state_change(), BCHAN_BRIDGED, BCHAN_CLEANED, misdn_bchannel::capability, misdn_bchannel::cause, cb_log, misdn_bchannel::channel, clean_up_bc(), misdn_bchannel::conf_id, create_process(), misdn_bchannel::crypt_key, misdn_bchannel::dad, misdn_bchannel::dnumplan, 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_RELEASE, EVENT_RELEASE_COMPLETE, EVENT_RETRIEVE_ACKNOWLEDGE, EVENT_SETUP, EVENT_SETUP_ACKNOWLEDGE, misdn_bchannel::evq, find_bc_by_confid(), find_free_chan_in_stack(), get_stack_by_bc(), glob_mgr, 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_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, misdn_lib::new_msg, misdn_bchannel::nodsp, misdn_stack::nt, misdn_bchannel::nt, misdn_bchannel::oad, misdn_bchannel::onumplan, misdn_bchannel::out_cause, misdn_bchannel::pid, misdn_bchannel::port, misdn_stack::port, 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_event(), handle_event_nt(), handle_frm(), handle_l1(), misdn_answer(), misdn_call(), misdn_digit_end(), misdn_facility_exec(), misdn_hangup(), misdn_indication(), misdn_lib_send_restart(), misdn_overlap_dial_task(), misdn_send_cd(), misdn_send_display(), misdn_send_text(), start_pbx(), and wait_for_digits().

03340 {
03341    msg_t *msg; 
03342    int retval=0;
03343    struct misdn_stack *stack;
03344   
03345    if (!bc) RETURN(-1,OUT_POST_UNLOCK);
03346    
03347    stack = get_stack_by_bc(bc);
03348    
03349    if (!stack) {
03350       cb_log(0,bc->port,"SENDEVENT: no Stack for event:%s oad:%s dad:%s \n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad);
03351       RETURN(-1,OUT);
03352    }
03353    
03354    misdn_send_lock(bc);
03355 
03356 
03357    cb_log(6,stack->port,"SENDEVENT: stack->nt:%d stack->upperid:%x\n",stack->nt, stack->upper_id);
03358 
03359    if ( stack->nt && !stack->l1link) {
03360       /** Queue Event **/
03361       bc->evq=event;
03362       cb_log(1, stack->port, "Queueing Event %s because L1 is down (btw. Activating L1)\n", isdn_get_info(msgs_g, event, 0));
03363       misdn_lib_get_l1_up(stack);
03364       RETURN(0,OUT);
03365    }
03366    
03367    cb_log(1, stack->port, "I SEND:%s oad:%s dad:%s pid:%d\n", isdn_get_info(msgs_g, event, 0), bc->oad, bc->dad, bc->pid);
03368    cb_log(4, stack->port, " --> bc_state:%s\n",bc_state2str(bc->bc_state));
03369    misdn_lib_log_ies(bc);
03370    
03371    switch (event) {
03372    case EVENT_SETUP:
03373       if (create_process(glob_mgr->midev, bc)<0) {
03374          cb_log(0,  stack->port, " No free channel at the moment @ send_event\n");
03375 
03376          RETURN(-ENOCHAN,OUT);
03377       }
03378       break;
03379 
03380    case EVENT_PROGRESS:
03381    case EVENT_ALERTING:
03382    case EVENT_PROCEEDING:
03383    case EVENT_SETUP_ACKNOWLEDGE:
03384    case EVENT_CONNECT:
03385       if (!stack->nt) break;
03386 
03387    case EVENT_RETRIEVE_ACKNOWLEDGE:
03388 
03389       if (stack->nt) {
03390          if (bc->channel <=0 ) { /*  else we have the channel already */
03391             if (find_free_chan_in_stack(stack, bc, 0, 0)<0) {
03392                cb_log(0, stack->port, " No free channel at the moment\n");
03393                /*FIXME: add disconnect*/
03394                RETURN(-ENOCHAN,OUT);
03395             }
03396          }
03397          /* Its that i generate channels */
03398       }
03399 
03400       retval=setup_bc(bc);
03401       if (retval == -EINVAL) {
03402          cb_log(0,bc->port,"send_event: setup_bc failed\n");
03403       }
03404 
03405       if (misdn_cap_is_speech(bc->capability)) {
03406          if ((event==EVENT_CONNECT)||(event==EVENT_RETRIEVE_ACKNOWLEDGE)) {
03407             if ( *bc->crypt_key ) {
03408                cb_log(4, stack->port,  " --> ENABLING BLOWFISH channel:%d oad%d:%s dad%d:%s \n", bc->channel, bc->onumplan,bc->oad, bc->dnumplan,bc->dad);
03409                
03410                manager_ph_control_block(bc,  BF_ENABLE_KEY, bc->crypt_key, strlen(bc->crypt_key) );
03411             }
03412             
03413             if (!bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03414             manager_ec_enable(bc);
03415             
03416             if (bc->txgain != 0) {
03417                cb_log(4, stack->port,  "--> Changing txgain to %d\n", bc->txgain);
03418                manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03419             }
03420             
03421             if ( bc->rxgain != 0 ) {
03422                cb_log(4, stack->port,  "--> Changing rxgain to %d\n", bc->rxgain);
03423                manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03424             }
03425          }
03426       }
03427       break;
03428 
03429    case EVENT_HOLD_ACKNOWLEDGE:
03430    {
03431       struct misdn_bchannel *holded_bc=malloc(sizeof(struct misdn_bchannel));
03432       if (!holded_bc) {
03433          cb_log(0,bc->port, "Could not allocate holded_bc!!!\n");
03434          RETURN(-1,OUT);
03435       }
03436 
03437       /*backup the bc*/
03438       memcpy(holded_bc,bc,sizeof(struct misdn_bchannel));
03439       holded_bc->holded=1;
03440       bc_state_change(holded_bc,BCHAN_CLEANED);
03441 
03442       stack_holder_add(stack,holded_bc);
03443    
03444       /*kill the bridge and clean the bchannel*/
03445       if (stack->nt) {
03446          int channel;
03447          if (bc->bc_state == BCHAN_BRIDGED) {
03448             struct misdn_bchannel *bc2;
03449 
03450             misdn_split_conf(bc,bc->conf_id);
03451             bc2 = find_bc_by_confid(bc->conf_id);
03452             if (!bc2) {
03453                cb_log(0,bc->port,"We have no second bc in bridge???\n");
03454             } else {
03455                misdn_split_conf(bc2,bc->conf_id);
03456             }
03457          }
03458          
03459          channel = bc->channel;
03460 
03461          empty_bc(bc);
03462          clean_up_bc(bc);
03463 
03464          if (channel>0)
03465             empty_chan_in_stack(stack,channel);
03466 
03467          bc->in_use=0;  
03468       }
03469       
03470    }
03471    break;
03472 
03473    /* finishing the channel eh ? */
03474    case EVENT_DISCONNECT:
03475       if (!bc->need_disconnect) {
03476          cb_log(0,bc->port," --> we have already send Disconnect\n");
03477          RETURN(-1,OUT);
03478       }
03479       
03480       bc->need_disconnect=0;
03481       break;
03482    case EVENT_RELEASE:
03483       if (!bc->need_release) {
03484          cb_log(0,bc->port," --> we have already send Release\n");
03485          RETURN(-1,OUT);
03486       }
03487       bc->need_disconnect=0;
03488       bc->need_release=0;
03489       break;
03490    case EVENT_RELEASE_COMPLETE:
03491       if (!bc->need_release_complete) {
03492          cb_log(0,bc->port," --> we have already send Release_complete\n");
03493          RETURN(-1,OUT);
03494       }
03495       bc->need_disconnect=0;
03496       bc->need_release=0;
03497       bc->need_release_complete=0;
03498 
03499       if (!stack->nt) {
03500          /*create cleanup in TE*/
03501          int channel=bc->channel;
03502 
03503          int tmpcause=bc->cause; 
03504          int tmp_out_cause=bc->out_cause; 
03505          empty_bc(bc);
03506          bc->cause=tmpcause;
03507          bc->out_cause=tmp_out_cause;
03508          clean_up_bc(bc);
03509          
03510          if (channel>0)
03511             empty_chan_in_stack(stack,channel);
03512          
03513          bc->in_use=0;
03514       }
03515       break;
03516     
03517    case EVENT_CONNECT_ACKNOWLEDGE:
03518 
03519       if ( bc->nt || misdn_cap_is_speech(bc->capability)) {
03520          int retval=setup_bc(bc);
03521          if (retval == -EINVAL){
03522             cb_log(0,bc->port,"send_event: setup_bc failed\n");
03523             
03524          }
03525       }
03526       
03527       if (misdn_cap_is_speech(bc->capability)) {
03528          if (  !bc->nodsp) manager_ph_control(bc,  DTMF_TONE_START, 0);
03529          manager_ec_enable(bc);
03530 
03531          if ( bc->txgain != 0 ) {
03532             cb_log(4, stack->port, "--> Changing txgain to %d\n", bc->txgain);
03533             manager_ph_control(bc, VOL_CHANGE_TX, bc->txgain);
03534          }
03535          if ( bc->rxgain != 0 ) {
03536             cb_log(4, stack->port, "--> Changing rxgain to %d\n", bc->rxgain);
03537             manager_ph_control(bc, VOL_CHANGE_RX, bc->rxgain);
03538          }
03539       }
03540       break;
03541     
03542    default:
03543       break;
03544    }
03545   
03546    /* Later we should think about sending bchannel data directly to misdn. */
03547    msg = isdn_msg_build_event(msgs_g, bc, event, stack->nt);
03548    msg_queue_tail(&stack->downqueue, msg);
03549    sem_post(&glob_mgr->new_msg);
03550   
03551 OUT:
03552    misdn_send_unlock(bc);
03553 
03554 OUT_POST_UNLOCK:
03555    return retval; 
03556 }

int misdn_lib_send_restart ( int  port,
int  channel 
)

Definition at line 3790 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_event_nt(), handle_frm(), and misdn_send_restart().

03791 {
03792    struct misdn_stack *stack=find_stack_by_port(port);
03793    struct misdn_bchannel dummybc;
03794    /*default is all channels*/
03795    cb_log(0, port, "Sending Restarts on this port.\n");
03796    
03797    misdn_make_dummy(&dummybc, stack->port, MISDN_ID_GLOBAL, stack->nt, 0);
03798 
03799    /*default is all channels*/
03800    if (channel <0) {
03801       dummybc.channel=-1;
03802       cb_log(0, port, "Restarting and all Interfaces\n");
03803       misdn_lib_send_event(&dummybc, EVENT_RESTART);
03804 
03805       return 0;
03806    }
03807 
03808    /*if a channel is specified we restart only this one*/
03809    if (channel >0) {
03810       int cnt;
03811       dummybc.channel=channel;
03812       cb_log(0, port, "Restarting and cleaning channel %d\n",channel);
03813       misdn_lib_send_event(&dummybc, EVENT_RESTART);
03814       /* clean up chan in stack, to be sure we don't think it's
03815        * in use anymore */
03816       for (cnt=0; cnt<=stack->b_num; cnt++) {
03817          if (stack->bc[cnt].channel == channel) {
03818             empty_bc(&stack->bc[cnt]);
03819             clean_up_bc(&stack->bc[cnt]);
03820             stack->bc[cnt].in_use=0;
03821          }
03822       }
03823    }
03824 
03825    return 0;
03826 }

void misdn_lib_send_tone ( struct misdn_bchannel bc,
enum tone_e  tone 
)

Definition at line 4436 of file isdn_lib.c.

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

Referenced by hanguptone_indicate().

04437 {
04438    char buf[mISDN_HEADER_LEN + 128] = "";
04439    iframe_t *frm = (iframe_t*)buf;
04440 
04441    switch(tone) {
04442    case TONE_DIAL:
04443       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_DIALTONE); 
04444    break;
04445    
04446    case TONE_ALERTING:
04447       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_RINGING);  
04448    break;
04449    
04450    case TONE_HANGUP:
04451       manager_ph_control(bc, TONE_PATT_ON, TONE_GERMAN_HANGUP);   
04452    break;
04453 
04454    case TONE_NONE:
04455    default:
04456       manager_ph_control(bc, TONE_PATT_OFF, TONE_GERMAN_HANGUP);  
04457    }
04458 
04459    frm->prim=DL_DATA|REQUEST;
04460    frm->addr=bc->addr|FLG_MSG_DOWN;
04461    frm->dinfo=0;
04462    frm->len=128;
04463    
04464    mISDN_write(glob_mgr->midev, frm, mISDN_HEADER_LEN+frm->len, TIMEOUT_1SEC);
04465 }

void misdn_lib_setup_bc ( struct misdn_bchannel bc  ) 

Definition at line 950 of file isdn_lib.c.

References misdn_stack::bc, clean_up_bc(), and setup_bc().

00951 {
00952    clean_up_bc(bc);
00953    setup_bc(bc);
00954 }

void misdn_lib_split_bridge ( struct misdn_bchannel bc1,
struct misdn_bchannel bc2 
)

Definition at line 4590 of file isdn_lib.c.

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

Referenced by misdn_bridge().

04591 {
04592 
04593    struct misdn_bchannel *bc_list[]={
04594       bc1,bc2,NULL
04595    };
04596    struct misdn_bchannel **bc;
04597       
04598    for (bc=bc_list; *bc;  bc++) { 
04599       if ( (*bc)->bc_state == BCHAN_BRIDGED){
04600          misdn_split_conf( *bc, (*bc)->conf_id);
04601       } else {
04602          cb_log( 2, (*bc)->port, "BC not bridged (state:%s) so not splitting it\n",bc_state2str((*bc)->bc_state));
04603       }
04604    }
04605    
04606 }

void misdn_lib_tone_generator_start ( struct misdn_bchannel bc  ) 

Definition at line 2190 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by misdn_write().

02191 {
02192    bc->generate_tone=1;
02193 }

void misdn_lib_tone_generator_stop ( struct misdn_bchannel bc  ) 

Definition at line 2195 of file isdn_lib.c.

References misdn_bchannel::generate_tone.

Referenced by start_bc_tones(), and stop_indicate().

02196 {
02197    bc->generate_tone=0;
02198 }

void misdn_lib_transfer ( struct misdn_bchannel holded_bc  ) 

Definition at line 3099 of file isdn_lib.c.

References misdn_bchannel::holded.

03100 {
03101    holded_bc->holded=0;
03102 }

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

Definition at line 4220 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, 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_bchannel::port, and misdn_stack::port.

Referenced by misdn_join_conf().

04221 {
04222    struct misdn_stack *stack=get_stack_by_bc(bc);
04223    char buf[4096 + mISDN_HEADER_LEN];
04224    iframe_t *frm = (iframe_t*)buf;
04225    int r;
04226 
04227    switch (bc->bc_state) {
04228       case BCHAN_ACTIVATED:
04229       case BCHAN_BRIDGED:
04230          break;
04231       default:
04232          cb_log(3, bc->port, "BC not yet activated (state:%s)\n",bc_state2str(bc->bc_state));
04233          return -1;
04234    }
04235    
04236    frm->prim = DL_DATA|REQUEST;
04237    frm->dinfo = 0;
04238    frm->addr = bc->addr | FLG_MSG_DOWN ;
04239    
04240    frm->len = len;
04241    memcpy(&buf[mISDN_HEADER_LEN], data,len);
04242       
04243    if ( misdn_cap_is_speech(bc->capability) ) 
04244       flip_buf_bits( &buf[mISDN_HEADER_LEN], len);
04245    else
04246       cb_log(6, stack->port, "Writing %d data bytes\n",len);
04247    
04248    cb_log(9, stack->port, "Writing %d bytes 2 mISDN\n",len);
04249    r=mISDN_write(stack->midev, buf, frm->len + mISDN_HEADER_LEN, TIMEOUT_INFINIT);
04250    return 0;
04251 }

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

Definition at line 61 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_cr(), handle_event_nt(), handle_frm(), manager_event_handler(), misdn_lib_send_restart(), and release_cr().

00062 {
00063    memset (dummybc,0,sizeof(struct misdn_bchannel));
00064    dummybc->port=port;
00065    dummybc->l3_id=l3id;
00066    dummybc->nt=nt;
00067    dummybc->dummy=1;
00068    dummybc->channel=channel;
00069 }

static void misdn_send_lock ( struct misdn_bchannel bc  )  [static]

Definition at line 3325 of file isdn_lib.c.

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

Referenced by misdn_lib_send_event().

03326 {
03327    //cb_log(0,bc->port,"Locking bc->pid:%d\n", bc->pid);
03328    if (bc->send_lock)
03329       pthread_mutex_lock(&bc->send_lock->lock);
03330 }

static void misdn_send_unlock ( struct misdn_bchannel bc  )  [static]

Definition at line 3332 of file isdn_lib.c.

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

Referenced by misdn_lib_send_event().

03333 {
03334    //cb_log(0,bc->port,"UnLocking bc->pid:%d\n", bc->pid);
03335    if (bc->send_lock)
03336       pthread_mutex_unlock(&bc->send_lock->lock);
03337 }

void misdn_split_conf ( struct misdn_bchannel bc,
int  conf_id 
)

Definition at line 4558 of file isdn_lib.c.

References misdn_bchannel::addr, misdn_stack::bc, 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().

04559 {
04560    bc_state_change(bc,BCHAN_ACTIVATED);
04561    manager_ph_control(bc, CMX_RECEIVE_ON, 0);
04562    manager_ph_control(bc, CMX_CONF_SPLIT, conf_id);
04563 
04564    cb_log(4,bc->port, "Splitting bc:%x in conf:%d\n",bc->addr,conf_id);
04565 }

void misdn_tx_jitter ( struct misdn_bchannel bc,
int  len 
)

Definition at line 2245 of file isdn_lib.c.

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

Referenced by do_tone(), and handle_bchan().

02246 {
02247    char buf[4096 + mISDN_HEADER_LEN];
02248    char *data=&buf[mISDN_HEADER_LEN];
02249    iframe_t *txfrm= (iframe_t*)buf;
02250    int jlen, r;
02251    
02252    jlen=cb_jb_empty(bc,data,len);
02253    
02254    if (jlen) {
02255 #ifdef MISDN_SAVE_DATA
02256       misdn_save_data((bc->port*100+bc->channel), data, jlen, bc->bframe, bc->bframe_len);
02257 #endif
02258       flip_buf_bits( data, jlen);
02259       
02260       if (jlen < len) {
02261          cb_log(7,bc->port,"Jitterbuffer Underrun.\n");
02262       }
02263       
02264       txfrm->prim = DL_DATA|REQUEST;
02265       
02266       txfrm->dinfo = 0;
02267       
02268       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02269       
02270       txfrm->len =jlen;
02271       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02272 
02273       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02274    } else {
02275 #define MISDN_GEN_SILENCE
02276 #ifdef MISDN_GEN_SILENCE
02277       int cnt=len/TONE_SILENCE_SIZE;
02278       int rest=len%TONE_SILENCE_SIZE;
02279       int i;
02280 
02281       for (i=0; i<cnt; i++) {
02282          memcpy(data, tone_silence_flip, TONE_SILENCE_SIZE );
02283          data +=TONE_SILENCE_SIZE;
02284       }
02285 
02286       if (rest) {
02287          memcpy(data, tone_silence_flip, rest);
02288       }
02289 
02290       txfrm->prim = DL_DATA|REQUEST;
02291 
02292       txfrm->dinfo = 0;
02293 
02294       txfrm->addr = bc->addr|FLG_MSG_DOWN; /*  | IF_DOWN; */
02295 
02296       txfrm->len =len;
02297       cb_log(9, bc->port, "Transmitting %d samples 2 misdn\n", txfrm->len);
02298 
02299       r=mISDN_write( glob_mgr->midev, buf, txfrm->len + mISDN_HEADER_LEN, 8000 );
02300 #endif
02301 
02302    }
02303 }

static void prepare_bc ( struct misdn_bchannel bc,
int  channel 
) [static]

Definition at line 3147 of file isdn_lib.c.

References misdn_bchannel::addr, AST_CAUSE_NORMAL_CLEARING, misdn_bchannel::b_stid, misdn_bchannel::cause, misdn_bchannel::channel, misdn_bchannel::channel_preselected, misdn_bchannel::in_use, misdn_bchannel::layer_id, mypid, misdn_bchannel::need_disconnect, misdn_bchannel::need_release, misdn_bchannel::need_release_complete, and misdn_bchannel::pid.

Referenced by misdn_lib_get_free_bc().

03148 {
03149    bc->channel = channel;
03150    bc->channel_preselected = channel?1:0;
03151    bc->in_use = 1;
03152    bc->need_disconnect=1;
03153    bc->need_release=1;
03154    bc->need_release_complete=1;
03155    bc->cause = AST_CAUSE_NORMAL_CLEARING;
03156 
03157    if (++mypid>5000) mypid=1;
03158    bc->pid=mypid;
03159 
03160 #if 0
03161    bc->addr=0;
03162    bc->b_stid=0;
03163    bc->layer_id=0;
03164 #endif
03165 }

int queue_cleanup_bc ( struct misdn_bchannel bc  ) 

Definition at line 3754 of file isdn_lib.c.

References misdn_lib::activatequeue, misdn_stack::bc, cb_log, glob_mgr, misdn_bchannel::l3_id, misdn_lib::new_msg, and misdn_bchannel::port.

03755 {
03756    msg_t *msg=alloc_msg(MAX_MSG_SIZE);
03757    iframe_t *frm;
03758    if (!msg) {
03759       cb_log(0, bc->port, "queue_cleanup_bc: alloc_msg failed!\n");
03760       return -1;
03761    }
03762    frm=(iframe_t*)msg->data;
03763 
03764    /* activate bchannel */
03765    frm->prim = MGR_CLEARSTACK| REQUEST;
03766 
03767    frm->addr = bc->l3_id;
03768 
03769    frm->dinfo = bc->port;
03770    frm->len = 0;
03771   
03772    msg_queue_tail(&glob_mgr->activatequeue, msg);
03773    sem_post(&glob_mgr->new_msg);
03774 
03775    return 0; 
03776 
03777 }

int release_cr ( struct misdn_stack stack,
mISDNuser_head_t *  hh 
)

Definition at line 1787 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().

01788 {
01789    struct misdn_bchannel *bc=find_bc_by_l3id(stack, hh->dinfo);
01790    struct misdn_bchannel dummybc;
01791    iframe_t frm; /* fake te frm to remove callref from global callreflist */
01792    frm.dinfo = hh->dinfo;
01793 
01794    frm.addr=stack->upper_id | FLG_MSG_DOWN;
01795 
01796    frm.prim = CC_RELEASE_CR|INDICATION;
01797    cb_log(4, stack->port, " --> CC_RELEASE_CR: Faking Release_cr for %x l3id:%x\n",frm.addr, frm.dinfo);
01798    /** removing procid **/
01799    if (!bc) {
01800       cb_log(4, stack->port, " --> Didn't find BC so temporarily creating dummy BC (l3id:%x) on this port.\n", hh->dinfo);
01801       misdn_make_dummy(&dummybc, stack->port, hh->dinfo, stack->nt, 0);
01802       bc=&dummybc; 
01803    }
01804 
01805    if (bc) {
01806       if ( (bc->l3_id & 0xff00) == 0xff00) {
01807          cb_log(4, stack->port, " --> Removing Process Id:%x on this port.\n", bc->l3_id&0xff);
01808          stack->procids[bc->l3_id&0xff] = 0 ;
01809       }
01810    }
01811    else cb_log(0, stack->port, "Couldn't find BC so I couldn't remove the Process!!!! this is a bad port.\n");
01812 
01813    if (handle_cr(stack, &frm)<0) {
01814    }
01815 
01816    return 0 ;
01817 }

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

Definition at line 395 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().

00396 {
00397    iframe_t *frm = (iframe_t *)dmsg->data;
00398    struct misdn_stack *stack=get_stack_by_bc(bc);
00399 
00400    if (!stack) {
00401       cb_log(0,bc->port,"send_msg: IEK!! no stack\n ");
00402       return -1;
00403    }
00404    
00405    frm->addr = (stack->upper_id | FLG_MSG_DOWN);
00406    frm->dinfo = bc->l3_id;
00407    frm->len = (dmsg->len) - mISDN_HEADER_LEN;
00408             
00409    cb_log(4,stack->port,"Sending msg, prim:%x addr:%x dinfo:%x\n",frm->prim,frm->addr,frm->dinfo);
00410 
00411    mISDN_write(midev, dmsg->data, dmsg->len, TIMEOUT_1SEC);
00412    free_msg(dmsg);
00413 
00414    return 0;
00415 }

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

Definition at line 468 of file isdn_lib.c.

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

Referenced by handle_frm().

00469 {
00470 
00471    cb_log(4,stack->port,"set_chan_in_stack: %d\n",channel);
00472    dump_chan_list(stack);
00473    if (channel >=1 && channel <= MAX_BCHANS) {
00474       if (!stack->channels[channel-1])
00475          stack->channels[channel-1] = 1;
00476       else {
00477          cb_log(4,stack->port,"channel already in use:%d\n", channel );
00478          return -1;
00479       }
00480    } else {
00481       cb_log(0,stack->port,"couldn't set channel %d in\n", channel );
00482       return -1;
00483    }
00484   
00485    return 0;
00486 }

int setup_bc ( struct misdn_bchannel bc  ) 

Definition at line 957 of file isdn_lib.c.

References misdn_stack::b_num, misdn_bchannel::b_stid, misdn_stack::b_stids, misdn_stack::bc, misdn_bchannel::bc_state, bc_state2str(), BCHAN_CLEANED, cb_log, misdn_bchannel::channel, get_stack_by_bc(), misdn_stack::midev, misdn_stack::port, and misdn_bchannel::port.

Referenced by handle_event(), misdn_lib_send_event(), and misdn_lib_setup_bc().

00958 {
00959    unsigned char buff[1025];
00960    int midev;
00961    int channel;
00962    int b_stid;
00963    int i;
00964    mISDN_pid_t pid;
00965    int ret;
00966 
00967    struct misdn_stack *stack=get_stack_by_bc(bc);
00968 
00969    if (!stack) {
00970       cb_log(0, bc->port, "setup_bc: NO STACK FOUND!!\n");
00971       return -1;
00972    }
00973    
00974    midev = stack->midev;
00975    channel = bc->channel - 1 - (bc->channel > 16);
00976    b_stid = stack->b_stids[channel >= 0 ? channel : 0];
00977 
00978    switch (bc->bc_state) {
00979       case BCHAN_CLEANED:
00980          break;
00981       default:
00982          cb_log(4, stack->port, "$$$ bc already setup stid :%x (state:%s)\n", b_stid, bc_state2str(bc->bc_state) );
00983          return -1;
00984    }
00985    
00986    cb_log(5, stack->port, "$$$ Setting up bc with stid :%x\n", b_stid);
00987    
00988    /*check if the b_stid is already initialized*/
00989    for (i=0; i <= stack->b_num; i++) {
00990       if (stack->bc[i].b_stid == b_stid) {
00991          cb_log(0, bc->port, "setup_bc: b_stid:%x already in use !!!\n", b_stid);
00992          return -1;
00993       }
00994    }
00995    
00996    if (b_stid <= 0) {
00997       cb_log(0, stack->port," -- Stid <=0 at the moment in channel:%d\n",channel);
00998       
00999       bc_state_change(bc,BCHAN_ERROR);
01000       return 1;
01001    }
01002 
01003    bc->b_stid = b_stid;
01004 
01005    {
01006       layer_info_t li;
01007       memset(&li, 0, sizeof(li));
01008     
01009       li.object_id = -1;
01010       li.extentions = 0;
01011       
01012       li.st = bc->b_stid; /*  given idx */
01013 
01014 
01015 #define MISDN_DSP
01016 #ifndef MISDN_DSP
01017       bc->nodsp=1;
01018 #endif
01019       if ( bc->hdlc || bc->nodsp) {
01020          cb_log(4, stack->port,"setup_bc: without dsp\n");
01021          { 
01022             int l = sizeof(li.name);
01023             strncpy(li.name, "B L3", l);
01024             li.name[l-1] = 0;
01025          }
01026          li.pid.layermask = ISDN_LAYER((3));
01027          li.pid.protocol[3] = ISDN_PID_L3_B_USER;
01028          
01029          bc->layer=3;
01030       } else {
01031          cb_log(4, stack->port,"setup_bc: with dsp\n");
01032          { 
01033             int l = sizeof(li.name);
01034             strncpy(li.name, "B L4", l);
01035             li.name[l-1] = 0;
01036          }
01037          li.pid.layermask = ISDN_LAYER((4));
01038          li.pid.protocol[4] = ISDN_PID_L4_B_USER;
01039 
01040          bc->layer=4;
01041       }  
01042       
01043       ret = mISDN_new_layer(midev, &li);
01044       if (ret ) {
01045          cb_log(0, stack->port,"New Layer Err: %d %s\n",ret,strerror(errno));
01046 
01047          bc_state_change(bc,BCHAN_ERROR);
01048          return(-EINVAL);
01049       }
01050       
01051       bc->layer_id = li.id;
01052    }
01053    
01054    memset(&pid, 0, sizeof(pid));
01055    
01056    
01057    
01058    cb_log(4, stack->port," --> Channel is %d\n", bc->channel);
01059    
01060    if (bc->nodsp) {
01061       cb_log(2, stack->port," --> TRANSPARENT Mode (no DSP, no HDLC)\n");
01062       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01063       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01064       pid.protocol[3] = ISDN_PID_L3_B_USER;
01065       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3));
01066       
01067    } else if ( bc->hdlc ) {
01068       cb_log(2, stack->port," --> HDLC Mode\n");
01069       pid.protocol[1] = ISDN_PID_L1_B_64HDLC ;
01070       pid.protocol[2] = ISDN_PID_L2_B_TRANS  ;
01071       pid.protocol[3] = ISDN_PID_L3_B_USER;
01072       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) ;
01073    } else {
01074       cb_log(2, stack->port," --> TRANSPARENT Mode\n");
01075       pid.protocol[1] = ISDN_PID_L1_B_64TRANS;
01076       pid.protocol[2] = ISDN_PID_L2_B_TRANS;
01077       pid.protocol[3] = ISDN_PID_L3_B_DSP;
01078       pid.protocol[4] = ISDN_PID_L4_B_USER;
01079       pid.layermask = ISDN_LAYER((1)) | ISDN_LAYER((2)) | ISDN_LAYER((3)) | ISDN_LAYER((4));
01080       
01081    } 
01082 
01083    ret = mISDN_set_stack(midev, bc->b_stid, &pid);
01084 
01085    if (ret){
01086       cb_log(0, stack->port,"$$$ Set Stack Err: %d %s\n",ret,strerror(errno));
01087       
01088       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01089       
01090       bc_state_change(bc,BCHAN_ERROR);
01091       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01092       return(-EINVAL);
01093    }
01094 
01095    ret = mISDN_get_setstack_ind(midev, bc->layer_id);
01096 
01097    if (ret) {
01098       cb_log(0, stack->port,"$$$ Set StackIND Err: %d %s\n",ret,strerror(errno));
01099       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01100       
01101       bc_state_change(bc,BCHAN_ERROR);
01102       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01103       return(-EINVAL);
01104    }
01105 
01106    ret = mISDN_get_layerid(midev, bc->b_stid, bc->layer) ;
01107 
01108    bc->addr = ret>0? ret : 0;
01109 
01110    if (!bc->addr) {
01111       cb_log(0, stack->port,"$$$ Get Layerid Err: %d %s\n",ret,strerror(errno));
01112       mISDN_write_frame(midev, buff, bc->layer_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01113       
01114       bc_state_change(bc,BCHAN_ERROR);
01115       cb_event(EVENT_BCHAN_ERROR, bc, glob_mgr->user_data);
01116       return (-EINVAL);
01117    }
01118 
01119    manager_bchannel_activate(bc);
01120    
01121    bc_state_change(bc,BCHAN_ACTIVATED);
01122 
01123    return 0;
01124 }

static void stack_destroy ( struct misdn_stack stack  )  [static]

Definition at line 1383 of file isdn_lib.c.

References misdn_stack::lower_id, misdn_stack::midev, misdn_stack::nst, misdn_stack::nt, and misdn_stack::upper_id.

Referenced by misdn_lib_destroy().

01384 {
01385    char buf[1024];
01386    if (!stack) return;
01387 
01388    if (stack->nt) {
01389       cleanup_Isdnl2(&stack->nst);
01390       cleanup_Isdnl3(&stack->nst);
01391    }
01392   
01393    if (stack->lower_id) 
01394       mISDN_write_frame(stack->midev, buf, stack->lower_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01395 
01396    if (stack->upper_id) 
01397       mISDN_write_frame(stack->midev, buf, stack->upper_id, MGR_DELLAYER | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
01398 }

void stack_holder_add ( struct misdn_stack stack,
struct misdn_bchannel holder 
)

Definition at line 4341 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().

04342 {
04343    struct misdn_bchannel *help;
04344    cb_log(4,stack->port, "*HOLDER: add %x\n",holder->l3_id);
04345    
04346    holder->stack_holder=1;
04347    holder->next=NULL;
04348    
04349    if (!stack->holding) {
04350       stack->holding = holder;
04351       return;
04352    }
04353   
04354    for (help=stack->holding;
04355         help;
04356         help=help->next) {
04357       if (!help->next) {
04358          help->next=holder;
04359          break;
04360       }
04361    }
04362   
04363 }

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

Definition at line 4413 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(), and handle_event_nt().

04414 {
04415    struct misdn_bchannel *help;
04416 
04417    cb_log(4,stack?stack->port:0, "*HOLDER: find %lx\n",l3id);
04418    
04419    if (!stack) return NULL;
04420    
04421    for (help=stack->holding;
04422         help;
04423         help=help->next) {
04424       if (help->l3_id == l3id) {
04425          cb_log(4,stack->port, "*HOLDER: found bc\n");
04426          return help;
04427       }
04428    }
04429 
04430    cb_log(4,stack->port, "*HOLDER: find nothing\n");
04431    return NULL;
04432 }

struct misdn_bchannel * stack_holder_find_bychan ( struct misdn_stack stack,
int  chan 
)

Definition at line 4391 of file isdn_lib.c.

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

04392 {
04393    struct misdn_bchannel *help;
04394 
04395    cb_log(4,stack?stack->port:0, "*HOLDER: find_bychan %c\n", chan);
04396    
04397    if (!stack) return NULL;
04398    
04399    for (help=stack->holding;
04400         help;
04401         help=help->next) {
04402       if (help->channel == chan) {
04403          cb_log(4,stack->port, "*HOLDER: found_bychan bc\n");
04404          return help;
04405       }
04406    }
04407 
04408    cb_log(4,stack->port, "*HOLDER: find_bychan nothing\n");
04409    return NULL;
04410 
04411 }

void stack_holder_remove ( struct misdn_stack stack,
struct misdn_bchannel holder 
)

Definition at line 4365 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().

04366 {
04367    struct misdn_bchannel *h1;
04368 
04369    if (!holder->stack_holder) return;
04370    
04371    holder->stack_holder=0;
04372    
04373    cb_log(4,stack->port, "*HOLDER: remove %x\n",holder->l3_id);
04374    if (!stack || ! stack->holding) return;
04375   
04376    if (holder == stack->holding) {
04377       stack->holding = stack->holding->next;
04378       return;
04379    }
04380    
04381    for (h1=stack->holding;
04382         h1;
04383         h1=h1->next) {
04384       if (h1->next == holder) {
04385          h1->next=h1->next->next;
04386          return ;
04387       }
04388    }
04389 }

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

Definition at line 1198 of file isdn_lib.c.

References misdn_stack::b_num, misdn_stack::b_stids, cb_log, misdn_stack::channels, misdn_stack::d_stid, misdn_stack::downqueue, misdn_stack::holding, malloc, MAX_BCHANS, misdn_stack::midev, misdn_stack::nt, misdn_stack::port, misdn_stack::pri, misdn_stack::ptp, and misdn_stack::upqueue.

Referenced by misdn_lib_init().

01199 {
01200    int ret;
01201    unsigned char buff[1025];
01202    iframe_t *frm = (iframe_t *)buff;
01203    stack_info_t *stinf;
01204    int i; 
01205    layer_info_t li;
01206 
01207    struct misdn_stack *stack = malloc(sizeof(struct misdn_stack));
01208    if (!stack ) return NULL;
01209 
01210 
01211    cb_log(8, port, "Init. Stack.\n");
01212   
01213    memset(stack,0,sizeof(struct misdn_stack));
01214   
01215    for (i=0; i<MAX_BCHANS + 1; i++ ) stack->channels[i]=0;
01216    
01217    stack->port=port;
01218    stack->midev=midev;
01219    stack->ptp=ptp;
01220   
01221    stack->holding=NULL;
01222    stack->pri=0;
01223   
01224    msg_queue_init(&stack->downqueue);
01225    msg_queue_init(&stack->upqueue);
01226   
01227    /* query port's requirements */
01228    ret = mISDN_get_stack_info(midev, port, buff, sizeof(buff));
01229    if (ret < 0) {
01230       cb_log(0, port, "%s: Cannot get stack info for this port. (ret=%d)\n", __FUNCTION__, ret);
01231       return(NULL);
01232    }
01233   
01234    stinf = (stack_info_t *)&frm->data.p;
01235 
01236    stack->d_stid = stinf->id;
01237    stack->b_num = stinf->childcnt;
01238 
01239    for (i=0; i<=stinf->childcnt; i++)
01240       stack->b_stids[i] = stinf->child[i];
01241   
01242    switch(stinf->pid.protocol[0] & ~ISDN_PID_FEATURE_MASK) {
01243    case ISDN_PID_L0_TE_S0:
01244       stack->nt=0;
01245       break;
01246    case ISDN_PID_L0_NT_S0:
01247       cb_log(8, port, "NT Stack\n");
01248 
01249       stack->nt=1;
01250       break;
01251    case ISDN_PID_L0_TE_E1:
01252       cb_log(8, port, "TE S2M Stack\n");
01253       stack->nt=0;
01254       stack->pri=1;
01255       break;
01256    case ISDN_PID_L0_NT_E1:
01257       cb_log(8, port, "TE S2M Stack\n");
01258       stack->nt=1;
01259       stack->pri=1;
01260       
01261       break;
01262    default:
01263       cb_log(0, port, "this is a unknown port type 0x%08x\n", stinf->pid.protocol[0]);
01264 
01265    }
01266 
01267    if (!stack->nt) {
01268       if (stinf->pid.protocol[2] & ISDN_PID_L2_DF_PTP ) { 
01269          stack->ptp = 1;
01270       } else {
01271          stack->ptp = 0;
01272       }
01273    }
01274    
01275    {
01276       int ret;
01277       int nt=stack->nt;
01278 
01279       cb_log(8, port, "Init. Stack.\n");
01280       
01281       memset(&li, 0, sizeof(li));
01282       {
01283          int l = sizeof(li.name);
01284          strncpy(li.name,nt?"net l2":"user l4", l);
01285          li.name[l-1] = 0;
01286       }
01287       li.object_id = -1;
01288       li.extentions = 0;
01289       li.pid.protocol[nt?2:4] = nt?ISDN_PID_L2_LAPD_NET:ISDN_PID_L4_CAPI20;
01290       li.pid.layermask = ISDN_LAYER((nt?2:4));
01291       li.st = stack->d_stid;
01292       
01293       
01294       ret = mISDN_new_layer(midev, &li);
01295       if (ret) {
01296          cb_log(0, port, "%s: Cannot add layer %d to this port.\n", __FUNCTION__, nt?2:4);
01297          return(NULL);
01298       }
01299       
01300       
01301       stack->upper_id = li.id;
01302       ret = mISDN_register_layer(midev, stack->d_stid, stack->upper_id);
01303       if (ret)
01304       {
01305          cb_log(0,port,"Cannot register layer %d of this port.\n", nt?2:4);
01306          return(NULL);
01307       }
01308       
01309       stack->lower_id = mISDN_get_layerid(midev, stack->d_stid, nt?1:3); 
01310       if (stack->lower_id < 0) {
01311          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, nt?1:3);
01312          return(NULL);
01313       }
01314       
01315       stack->upper_id = mISDN_get_layerid(midev, stack->d_stid, nt?2:4);
01316       if (stack->upper_id < 0) {
01317          cb_log(0, port, "%s: Cannot get layer(%d) id of this port.\n", __FUNCTION__, 2);
01318          return(NULL);
01319       }
01320       
01321       cb_log(8, port, "NT Stacks upper_id %x\n",stack->upper_id);
01322       
01323       
01324       /* create nst (nt-mode only) */
01325       if (nt) {
01326          
01327          memset(&stack->nst, 0, sizeof(net_stack_t));
01328          memset(&stack->mgr, 0, sizeof(manager_t));
01329     
01330          stack->mgr.nst = &stack->nst;
01331          stack->nst.manager = &stack->mgr;
01332     
01333          stack->nst.l3_manager = handle_event_nt;
01334          stack->nst.device = midev;
01335          stack->nst.cardnr = port;
01336          stack->nst.d_stid = stack->d_stid;
01337     
01338          stack->nst.feature = FEATURE_NET_HOLD;
01339          if (stack->ptp)
01340             stack->nst.feature |= FEATURE_NET_PTP;
01341          if (stack->pri)
01342             stack->nst.feature |= FEATURE_NET_CRLEN2 | FEATURE_NET_EXTCID;
01343          
01344          stack->nst.l1_id = stack->lower_id;
01345          stack->nst.l2_id = stack->upper_id;
01346          
01347          msg_queue_init(&stack->nst.down_queue);
01348          
01349          Isdnl2Init(&stack->nst);
01350          Isdnl3Init(&stack->nst);
01351          
01352       } 
01353       
01354       if (!stack->nt) {
01355          /*assume L1 is up, we'll get DEACTIVATES soon, for non
01356           * up L1s*/
01357          stack->l1link=0;
01358       }
01359       stack->l1link=0;
01360       stack->l2link=0;
01361 #if 0 
01362       if (!stack->nt) {
01363          misdn_lib_get_short_status(stack);
01364       } else {
01365          misdn_lib_get_l1_up(stack);
01366          if (!stack->ptp) misdn_lib_get_l1_up(stack);
01367          misdn_lib_get_l2_up(stack);
01368       }
01369 #endif
01370 
01371       misdn_lib_get_short_status(stack);
01372       misdn_lib_get_l1_up(stack);
01373       misdn_lib_get_l2_up(stack); 
01374       
01375    }
01376 
01377    cb_log(8,0,"stack_init: port:%d lowerId:%x  upperId:%x\n",stack->port,stack->lower_id, stack->upper_id);
01378    
01379    return stack;
01380 }

void te_lib_destroy ( int  midev  ) 

Definition at line 3087 of file isdn_lib.c.

References cb_log, and entity.

Referenced by misdn_lib_destroy().

03088 {
03089    char buf[1024];
03090    mISDN_write_frame(midev, buf, 0, MGR_DELENTITY | REQUEST, entity, 0, NULL, TIMEOUT_1SEC);
03091 
03092    cb_log(4, 0, "Entity deleted\n");
03093    mISDN_close(midev);
03094    cb_log(4, 0, "midev closed\n");
03095 }

int te_lib_init ( void   ) 

App Interface

Definition at line 3060 of file isdn_lib.c.

References entity, errno, and misdn_lib::midev.

Referenced by misdn_lib_init().

03060                   {
03061    char buff[1025] = "";
03062    iframe_t *frm=(iframe_t*)buff;
03063    int midev=mISDN_open();
03064    int ret;
03065 
03066    if  (midev<=0) return midev;
03067   
03068 /* create entity for layer 3 TE-mode */
03069    mISDN_write_frame(midev, buff, 0, MGR_NEWENTITY | REQUEST, 0, 0, NULL, TIMEOUT_1SEC);
03070    ret = mISDN_read_frame(midev, frm, sizeof(iframe_t), 0, MGR_NEWENTITY | CONFIRM, TIMEOUT_1SEC);
03071   
03072    if (ret < mISDN_HEADER_LEN) {
03073    noentity:
03074       fprintf(stderr, "cannot request MGR_NEWENTITY from mISDN: %s\n",strerror(errno));
03075       exit(-1);
03076    }
03077   
03078    entity = frm->dinfo & 0xffff ;
03079   
03080    if (!entity)
03081       goto noentity;
03082 
03083    return midev;
03084   
03085 }

static int test_inuse ( struct misdn_bchannel bc  )  [static]

Definition at line 3127 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().

03128 {
03129    struct timeval now;
03130    gettimeofday(&now, NULL);
03131    if (!bc->in_use) {
03132       if (misdn_lib_port_is_pri(bc->port) && bc->last_used.tv_sec == now.tv_sec ) {
03133          cb_log(2,bc->port, "channel with stid:%x for one second still in use! (n:%d lu:%d)\n", bc->b_stid, (int) now.tv_sec, (int) bc->last_used.tv_sec);
03134          return 1;
03135       }
03136       
03137 
03138       cb_log(3,bc->port, "channel with stid:%x not in use!\n", bc->b_stid);
03139       return 0;
03140    }
03141    
03142    cb_log(2,bc->port, "channel with stid:%x in use!\n", bc->b_stid);
03143    return 1;
03144 }


Variable Documentation

int entity [static]

Definition at line 242 of file isdn_lib.c.

Referenced by te_lib_destroy(), and te_lib_init().

char flip_table[256] [static]

Definition at line 304 of file isdn_lib.c.

Referenced by flip_buf_bits(), and init_flip_bits().

struct misdn_lib* glob_mgr [static]

Definition at line 244 of file isdn_lib.c.

Referenced by do_tone(), find_bc_by_addr(), find_bc_by_confid(), find_stack_by_addr(), find_stack_by_mgr(), find_stack_by_port(), get_misdn_stack(), handle_bchan(), handle_cr(), handle_event_nt(), handle_frm(), handle_l1(), handle_l2(), handle_timers(), manager_event_handler(), manager_find_bc_by_pid(), manager_ph_control(), manager_ph_control_block(), misdn_lib_destroy(), misdn_lib_get_free_bc(), misdn_lib_get_port_down(), misdn_lib_get_port_info(), misdn_lib_get_port_up(), misdn_lib_init(), misdn_lib_isdn_l1watcher(), misdn_lib_port_restart(), misdn_lib_port_up(), misdn_lib_reinit_nt_stack(), misdn_lib_send_event(), misdn_lib_send_tone(), misdn_tx_jitter(), and queue_cleanup_bc().

enum global_states global_state = MISDN_INITIALIZING [static]

Definition at line 174 of file isdn_lib.c.

Referenced by clear_l3(), handle_l1(), and misdn_lib_destroy().

sem_t handler_started

Definition at line 3869 of file isdn_lib.c.

struct isdn_msg msgs_g[]

Msg Array

Definition at line 1158 of file isdn_msg_parser.c.

Referenced by handle_event_nt(), handle_frm(), handle_l1(), manager_isdn_get_info(), and misdn_lib_send_event().

int mypid = 1 [static]

Definition at line 418 of file isdn_lib.c.

Referenced by prepare_bc().

int new_te_id = 0 [static]

Definition at line 772 of file isdn_lib.c.

int nt_err_cnt = 0 [static]

Definition at line 167 of file isdn_lib.c.

Referenced by handle_frm_nt().

char tone_425_flip[TONE_425_SIZE]

Definition at line 246 of file isdn_lib.c.

Referenced by misdn_lib_init().

char tone_silence_flip[TONE_SILENCE_SIZE]

Definition at line 247 of file isdn_lib.c.

Referenced by misdn_lib_init(), and misdn_tx_jitter().


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