Thu Sep 7 01:03:30 2017

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)
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)

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))
#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 371 of file isdn_lib.c.

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

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

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

Definition at line 152 of file isdn_lib.c.

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

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

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

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

Definition at line 1734 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_te(), manager_isdn_get_info(), and misdn_lib_send_event().

01735 {
01736    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01737 
01738    if(i>=0) return msgs[i].info;
01739 
01740    if (event == EVENT_CLEANUP) return EVENT_CLEAN_INFO;
01741    if (event == EVENT_DTMF_TONE) return EVENT_DTMF_TONE_INFO;
01742    if (event == EVENT_NEW_L3ID) return EVENT_NEW_L3ID_INFO;
01743    if (event == EVENT_NEW_BC) return EVENT_NEW_BC_INFO;
01744    if (event == EVENT_NEW_CHANNEL) return EVENT_NEW_CHANNEL_INFO;
01745    if (event == EVENT_BCHAN_DATA) return EVENT_BCHAN_DATA_INFO;
01746    if (event == EVENT_BCHAN_ACTIVATED) return EVENT_BCHAN_ACTIVATED_INFO;
01747    if (event == EVENT_TONE_GENERATE) return EVENT_TONE_GENERATE_INFO;
01748    if (event == EVENT_PORT_ALARM) return EVENT_PORT_ALARM_INFO;
01749    if (event == EVENT_BCHAN_ERROR) return EVENT_BCHAN_ERROR_INFO;
01750 
01751    return NULL;
01752 }

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

Definition at line 1763 of file isdn_msg_parser.c.

References isdn_msg_get_index_by_event(), and isdn_msg::msg_builder.

Referenced by misdn_lib_send_event().

01764 {
01765    int i=isdn_msg_get_index_by_event(msgs, event, nt);
01766    if(i<0) return NULL;
01767 
01768    return  msgs[i].msg_builder(msgs, bc, nt);
01769 }

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

Definition at line 1708 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_te().

01709 {
01710    int i=isdn_msg_get_index(msgs, msg, nt);
01711    if(i>=0) return msgs[i].event;
01712    return EVENT_UNKNOWN;
01713 }

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

INTERFACE FCTS

Definition at line 1676 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().

01677 {
01678    int i;
01679 
01680    if (nt){
01681       mISDNuser_head_t *hh = (mISDNuser_head_t*)msg->data;
01682 
01683       for (i=0; i< msgs_max -1; i++) {
01684          if ( (hh->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01685       }
01686 
01687    } else {
01688       iframe_t *frm = (iframe_t*)msg->data;
01689 
01690       for (i=0; i< msgs_max -1; i++)
01691          if ( (frm->prim&COMMAND_MASK)==(msgs[i].misdn_msg&COMMAND_MASK)) return i;
01692    }
01693 
01694    return -1;
01695 }

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

Definition at line 1697 of file isdn_msg_parser.c.

References cb_log, and msgs_max.

Referenced by isdn_get_info(), and isdn_msg_build_event().

01698 {
01699    int i;
01700    for (i=0; i< msgs_max; i++)
01701       if ( event == msgs[i].event) return i;
01702 
01703    cb_log(10,0, "get_index: event not found!\n");
01704 
01705    return -1;
01706 }

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

Definition at line 1715 of file isdn_msg_parser.c.

References isdn_msg::info, and isdn_msg_get_index().

01716 {
01717    int i=isdn_msg_get_index(msgs, msg, nt);
01718    if(i>=0) return msgs[i].info;
01719    return NULL;
01720 }

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

Definition at line 1754 of file isdn_msg_parser.c.

References isdn_msg_get_index(), and isdn_msg::msg_parser.

Referenced by handle_event_nt(), and handle_frm_te().

01755 {
01756    int i=isdn_msg_get_index(msgs, msg, nt);
01757    if(i<0) return -1;
01758 
01759    msgs[i].msg_parser(msgs, msg, bc, nt);
01760    return 0;
01761 }


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