Wed Aug 15 01:25:18 2007

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"

Include dependency graph for isdn_lib_intern.h:

This graph shows which files directly or indirectly include this file:

Go to the source code of this file.

Data Structures

struct  isdn_msg
struct  misdn_stack
struct  send_lock

Defines

#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)
struct 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)

Variables

ibuffer_t * astbuf
ibuffer_t * misdnbuf


Define Documentation

#define mISDNUSER_HEAD_SIZE   (sizeof(mISDNuser_head_t))

Definition at line 24 of file isdn_lib_intern.h.

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(), handle_event_nt(), parse_alerting(), parse_connect(), parse_disconnect(), parse_facility(), parse_information(), 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 19 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 341 of file isdn_lib.c.

00342 {
00343    int i = 0;
00344    msg_t *dmsg;
00345    Q931_info_t *qi;
00346    iframe_t *frm;
00347   
00348    if (!ntmode)
00349       size = sizeof(Q931_info_t)+2;
00350   
00351    while(i < 10) {
00352       if (ntmode) {
00353          dmsg = prep_l3data_msg(prim, dinfo, size, 256, NULL);
00354          if (dmsg) {
00355             return(dmsg);
00356          }
00357       } else {
00358          dmsg = alloc_msg(size+256+mISDN_HEADER_LEN+DEFAULT_HEADROOM);
00359          if (dmsg)
00360          {
00361             memset(msg_put(dmsg,size+mISDN_HEADER_LEN), 0, size+mISDN_HEADER_LEN);
00362             frm = (iframe_t *)dmsg->data;
00363             frm->prim = prim;
00364             frm->dinfo = dinfo;
00365             qi = (Q931_info_t *)(dmsg->data + mISDN_HEADER_LEN);
00366             qi->type = mt;
00367             return(dmsg);
00368          }
00369       }
00370     
00371       if (!i) printf("cannot allocate memory, trying again...\n");
00372       i++;
00373       usleep(300000);
00374    }
00375    printf("cannot allocate memory, system overloaded.\n");
00376    exit(-1);
00377 }

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

Definition at line 115 of file isdn_lib.c.

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

00116 {
00117    struct misdn_stack *stack=get_misdn_stack();
00118 
00119    if (!bc) return NULL;
00120    
00121    for ( ; stack; stack=stack->next) {
00122       int i;
00123       for (i=0; i <=stack->b_num; i++) {
00124          if ( bc->port == stack->port) return stack;
00125       }
00126    }
00127 
00128    return NULL;
00129 }

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

Definition at line 1290 of file isdn_msg_parser.c.

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

01291 {
01292    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01293    
01294    if(i>=0) return msgs[i].info;
01295    
01296    if (event == EVENT_CLEANUP) return EVENT_CLEAN_INFO;
01297    if (event == EVENT_DTMF_TONE) return EVENT_DTMF_TONE_INFO;
01298    if (event == EVENT_NEW_L3ID) return EVENT_NEW_L3ID_INFO;
01299    if (event == EVENT_NEW_BC) return EVENT_NEW_BC_INFO;
01300    if (event == EVENT_NEW_CHANNEL) return EVENT_NEW_CHANNEL_INFO;
01301    if (event == EVENT_BCHAN_DATA) return EVENT_BCHAN_DATA_INFO;
01302    if (event == EVENT_BCHAN_ACTIVATED) return EVENT_BCHAN_ACTIVATED_INFO;
01303    if (event == EVENT_TONE_GENERATE) return EVENT_TONE_GENERATE_INFO;
01304    if (event == EVENT_PORT_ALARM) return EVENT_PORT_ALARM_INFO;
01305    if (event == EVENT_BCHAN_ERROR) return EVENT_BCHAN_ERROR_INFO;
01306    
01307    return NULL;
01308 }

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

Definition at line 1319 of file isdn_msg_parser.c.

Referenced by misdn_lib_send_event().

01320 {
01321    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01322    if(i<0) return NULL;
01323   
01324    return  msgs[i].msg_builder(msgs, bc, nt);
01325 }

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

Definition at line 1264 of file isdn_msg_parser.c.

Referenced by handle_event_nt(), and handle_frm().

01265 {
01266    int i=isdn_msg_get_index(msgs, msg, nt);
01267    if(i>=0) return msgs[i].event;
01268    return EVENT_UNKNOWN;
01269 }

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

INTERFACE FCTS

Definition at line 1232 of file isdn_msg_parser.c.

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

01233 {
01234    int i;
01235 
01236    if (nt){
01237       mISDNuser_head_t *hh = (mISDNuser_head_t*)msg->data;
01238       
01239       for (i=0; i< msgs_max -1; i++) {
01240          if ( (hh->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01241       }
01242       
01243    } else {
01244       iframe_t *frm = (iframe_t*)msg->data;
01245     
01246       for (i=0; i< msgs_max -1; i++) 
01247          if ( (frm->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01248    }
01249 
01250    return -1;
01251 }

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

Definition at line 1253 of file isdn_msg_parser.c.

Referenced by isdn_get_info(), and isdn_msg_build_event().

01254 {
01255    int i;
01256    for (i=0; i< msgs_max; i++) 
01257       if ( event == msgs[i].event) return i;
01258 
01259    cb_log(10,0, "get_index: event not found!\n");
01260    
01261    return -1;
01262 }

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

Definition at line 1271 of file isdn_msg_parser.c.

01272 {
01273    int i=isdn_msg_get_index(msgs, msg, nt);
01274    if(i>=0) return msgs[i].info;
01275    return NULL;
01276 }

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

Definition at line 1310 of file isdn_msg_parser.c.

Referenced by handle_event_nt(), and handle_frm().

01311 {
01312    int i=isdn_msg_get_index(msgs, msg, nt);
01313    if(i<0) return -1;
01314 
01315    msgs[i].msg_parser(msgs, msg, bc, nt);
01316    return 0;
01317 }


Variable Documentation

ibuffer_t* astbuf

Definition at line 29 of file isdn_lib_intern.h.

ibuffer_t* misdnbuf

Definition at line 30 of file isdn_lib_intern.h.


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