Mon Oct 8 12:39:23 2012

Asterisk developer's documentation


isdn_lib_intern.h File Reference

#include <mISDNuser/mISDNlib.h>
#include <mISDNuser/isdn_net.h>
#include <mISDNuser/l3dss1.h>
#include <mISDNuser/net_l3.h>
#include <pthread.h>
#include "isdn_lib.h"

Go to the source code of this file.

Data Structures

struct  isdn_msg
struct  misdn_stack
struct  send_lock

Defines

#define MAXPROCS   0x100
#define MISDN_MAX_REGISTER_LINKS   0
#define mISDNUSER_HEAD_SIZE   (sizeof(mISDNuser_head_t))
#define QI_ELEMENT(a)   a.off

Functions

msg_t * create_l3msg (int prim, int mt, int dinfo, int size, int nt)
misdn_stackget_stack_by_bc (struct misdn_bchannel *bc)
char * isdn_get_info (struct isdn_msg msgs[], enum event_e event, int nt)
msg_t * isdn_msg_build_event (struct isdn_msg msgs[], struct misdn_bchannel *bc, enum event_e event, int nt)
enum event_e isdn_msg_get_event (struct isdn_msg msgs[], msg_t *frm, int nt)
int isdn_msg_get_index (struct isdn_msg msgs[], msg_t *frm, int nt)
int isdn_msg_get_index_by_event (struct isdn_msg msgs[], enum event_e event, int nt)
char * isdn_msg_get_info (struct isdn_msg msgs[], msg_t *msg, int nt)
int isdn_msg_parse_event (struct isdn_msg msgs[], msg_t *frm, struct misdn_bchannel *bc, int nt)


Define Documentation

#define MAXPROCS   0x100

Definition at line 62 of file isdn_lib_intern.h.

Referenced by create_process().

#define MISDN_MAX_REGISTER_LINKS   0

Definition at line 59 of file isdn_lib_intern.h.

#define mISDNUSER_HEAD_SIZE   (sizeof(mISDNuser_head_t))

Definition at line 26 of file isdn_lib_intern.h.

Referenced by build_alerting(), build_connect(), build_connect_acknowledge(), build_disconnect(), build_facility(), build_information(), build_notify(), build_proceeding(), build_progress(), build_release(), build_release_complete(), build_restart(), build_retrieve_acknowledge(), build_setup(), build_setup_acknowledge(), handle_event_nt(), parse_alerting(), parse_connect(), parse_disconnect(), parse_facility(), parse_information(), parse_notify(), parse_proceeding(), parse_progress(), parse_release(), parse_release_complete(), parse_restart(), parse_setup(), parse_setup_acknowledge(), and parse_status().

#define QI_ELEMENT (  )     a.off

Definition at line 21 of file isdn_lib_intern.h.


Function Documentation

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

Definition at line 377 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().

00378 {
00379    int i = 0;
00380    msg_t *dmsg;
00381    Q931_info_t *qi;
00382    iframe_t *frm;
00383 
00384    if (!ntmode)
00385       size = sizeof(Q931_info_t)+2;
00386 
00387    while(i < 10) {
00388       if (ntmode) {
00389          dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00390          if (dmsg) {
00391             return(dmsg);
00392          }
00393       } else {
00394          dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00395          if (dmsg)
00396          {
00397             memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00398             frm = (iframe_t *)dmsg->data;
00399             frm->prim = prim;
00400             frm->dinfo = dinfo;
00401             qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00402             qi->type = mt;
00403             return(dmsg);
00404          }
00405       }
00406 
00407       if (!i) printf("cannot allocate memory, trying again...\n");
00408       i++;
00409       usleep(300000);
00410    }
00411    printf("cannot allocate memory, system overloaded.\n");
00412    exit(-1);
00413 }

struct misdn_stack* get_stack_by_bc ( struct misdn_bchannel bc  ) 

Definition at line 154 of file isdn_lib.c.

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

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

00155 {
00156    struct misdn_stack *stack = get_misdn_stack();
00157 
00158    if (!bc)
00159       return NULL;
00160 
00161    for ( ; stack; stack = stack->next) {
00162       if (bc->port == stack->port)
00163          return stack;
00164    }
00165 
00166    return NULL;
00167 }

char* isdn_get_info ( struct isdn_msg  msgs[],
enum event_e  event,
int  nt 
)

Definition at line 1732 of file isdn_msg_parser.c.

References EVENT_BCHAN_ACTIVATED, EVENT_BCHAN_DATA, EVENT_BCHAN_ERROR, EVENT_CLEANUP, EVENT_DTMF_TONE, EVENT_NEW_BC, EVENT_NEW_CHANNEL, EVENT_NEW_L3ID, EVENT_PORT_ALARM, EVENT_TONE_GENERATE, isdn_msg::info, and isdn_msg_get_index_by_event().

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

01733 {
01734    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01735 
01736    if(i>=0) return msgs[i].info;
01737 
01738    if (event == EVENT_CLEANUP) return EVENT_CLEAN_INFO;
01739    if (event == EVENT_DTMF_TONE) return EVENT_DTMF_TONE_INFO;
01740    if (event == EVENT_NEW_L3ID) return EVENT_NEW_L3ID_INFO;
01741    if (event == EVENT_NEW_BC) return EVENT_NEW_BC_INFO;
01742    if (event == EVENT_NEW_CHANNEL) return EVENT_NEW_CHANNEL_INFO;
01743    if (event == EVENT_BCHAN_DATA) return EVENT_BCHAN_DATA_INFO;
01744    if (event == EVENT_BCHAN_ACTIVATED) return EVENT_BCHAN_ACTIVATED_INFO;
01745    if (event == EVENT_TONE_GENERATE) return EVENT_TONE_GENERATE_INFO;
01746    if (event == EVENT_PORT_ALARM) return EVENT_PORT_ALARM_INFO;
01747    if (event == EVENT_BCHAN_ERROR) return EVENT_BCHAN_ERROR_INFO;
01748 
01749    return NULL;
01750 }

msg_t* isdn_msg_build_event ( struct isdn_msg  msgs[],
struct misdn_bchannel bc,
enum event_e  event,
int  nt 
)

Definition at line 1761 of file isdn_msg_parser.c.

References isdn_msg_get_index_by_event(), and isdn_msg::msg_builder.

Referenced by misdn_lib_send_event().

01762 {
01763    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01764    if(i<0) return NULL;
01765 
01766    return  msgs[i].msg_builder(msgs, bc, nt);
01767 }

enum event_e isdn_msg_get_event ( struct isdn_msg  msgs[],
msg_t *  frm,
int  nt 
)

Definition at line 1706 of file isdn_msg_parser.c.

References isdn_msg::event, EVENT_UNKNOWN, and isdn_msg_get_index().

Referenced by handle_event_nt(), and handle_frm().

01707 {
01708    int i=isdn_msg_get_index(msgs, msg, nt);
01709    if(i>=0) return msgs[i].event;
01710    return EVENT_UNKNOWN;
01711 }

int isdn_msg_get_index ( struct isdn_msg  msgs[],
msg_t *  msg,
int  nt 
)

INTERFACE FCTS

Definition at line 1674 of file isdn_msg_parser.c.

References isdn_msg::misdn_msg, and msgs_max.

Referenced by isdn_msg_get_event(), isdn_msg_get_info(), and isdn_msg_parse_event().

01675 {
01676    int i;
01677 
01678    if (nt){
01679       mISDNuser_head_t *hh = (mISDNuser_head_t*)msg->data;
01680 
01681       for (i=0; i< msgs_max -1; i++) {
01682          if ( (hh->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01683       }
01684 
01685    } else {
01686       iframe_t *frm = (iframe_t*)msg->data;
01687 
01688       for (i=0; i< msgs_max -1; i++)
01689          if ( (frm->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01690    }
01691 
01692    return -1;
01693 }

int isdn_msg_get_index_by_event ( struct isdn_msg  msgs[],
enum event_e  event,
int  nt 
)

Definition at line 1695 of file isdn_msg_parser.c.

References cb_log, and msgs_max.

Referenced by isdn_get_info(), and isdn_msg_build_event().

01696 {
01697    int i;
01698    for (i=0; i< msgs_max; i++)
01699       if ( event == msgs[i].event) return i;
01700 
01701    cb_log(10,0, "get_index: event not found!\n");
01702 
01703    return -1;
01704 }

char* isdn_msg_get_info ( struct isdn_msg  msgs[],
msg_t *  msg,
int  nt 
)

Definition at line 1713 of file isdn_msg_parser.c.

References isdn_msg::info, and isdn_msg_get_index().

01714 {
01715    int i=isdn_msg_get_index(msgs, msg, nt);
01716    if(i>=0) return msgs[i].info;
01717    return NULL;
01718 }

int isdn_msg_parse_event ( struct isdn_msg  msgs[],
msg_t *  frm,
struct misdn_bchannel bc,
int  nt 
)

Definition at line 1752 of file isdn_msg_parser.c.

References isdn_msg_get_index(), and isdn_msg::msg_parser.

Referenced by handle_event_nt(), and handle_frm().

01753 {
01754    int i=isdn_msg_get_index(msgs, msg, nt);
01755    if(i<0) return -1;
01756 
01757    msgs[i].msg_parser(msgs, msg, bc, nt);
01758    return 0;
01759 }


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