440 lines
8 KiB
C
440 lines
8 KiB
C
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/*
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* Chan_Misdn -- Channel Driver for Asterisk
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*
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* Interface to mISDN
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*
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* Copyright (C) 2004, Christian Richter
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*
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* Christian Richter <crich@beronet.com>
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*
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* This program is free software, distributed under the terms of
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* the GNU General Public License
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*/
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#ifndef TE_LIB
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#define TE_LIB
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#include <mISDNlib.h>
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#include <isdn_net.h>
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#include <l3dss1.h>
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#include <net_l3.h>
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#include <pthread.h>
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#ifndef mISDNUSER_HEAD_SIZE
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#ifdef MISDNUSER_JOLLY
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#define mISDNUSER_HEAD_SIZE (sizeof(mISDNuser_head_t))
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#else
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#define mISDNUSER_HEAD_SIZE (sizeof(mISDN_head_t))
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#endif
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#endif
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#define MISDN_ASTERISK_TECH_PVT(ast) ast->tech_pvt
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#define MISDN_ASTERISK_PVT(ast) 1
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#define MISDN_ASTERISK_TYPE(ast) ast->tech->type
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/* #include "ies.h" */
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#define MAX_BCHANS 30
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/** For initialization usage **/
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/* typedef int ie_nothing_t ;*/
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/** end of init usage **/
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enum bc_state_e {
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STATE_NOTHING=0,
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STATE_NULL,
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STATE_CALL_INIT,
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STATE_CONNECTED,
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STATE_HOLD_ACKNOWLEDGE
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};
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enum tone_e {
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TONE_NONE=0,
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TONE_DIAL,
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TONE_ALERTING,
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TONE_BUSY,
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TONE_FILE
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};
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enum misdn_err_e {
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ENOCHAN=1
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};
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enum mISDN_NUMBER_PLAN {
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NUMPLAN_UNINITIALIZED=-1,
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NUMPLAN_INTERNATIONAL=0x1,
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NUMPLAN_NATIONAL=0x2,
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NUMPLAN_SUBSCRIBER=0x4,
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NUMPLAN_UNKNOWN=0x0
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};
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enum event_response_e {
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RESPONSE_IGNORE_SETUP_WITHOUT_CLOSE,
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RESPONSE_IGNORE_SETUP,
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RESPONSE_ERR,
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RESPONSE_OK
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};
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enum event_e {
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EVENT_NOTHING,
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EVENT_BCHAN_DATA,
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EVENT_CLEANUP,
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EVENT_PROCEEDING,
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EVENT_PROGRESS,
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EVENT_SETUP,
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EVENT_ALERTING,
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EVENT_CONNECT,
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EVENT_SETUP_ACKNOWLEDGE,
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EVENT_CONNECT_ACKNOWLEDGE ,
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EVENT_USER_INFORMATION,
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EVENT_SUSPEND_REJECT,
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EVENT_RESUME_REJECT,
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EVENT_HOLD,
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EVENT_SUSPEND,
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EVENT_RESUME,
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EVENT_HOLD_ACKNOWLEDGE,
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EVENT_SUSPEND_ACKNOWLEDGE,
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EVENT_RESUME_ACKNOWLEDGE,
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EVENT_HOLD_REJECT,
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EVENT_RETRIEVE,
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EVENT_RETRIEVE_ACKNOWLEDGE,
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EVENT_RETRIEVE_REJECT,
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EVENT_DISCONNECT,
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EVENT_RESTART,
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EVENT_RELEASE,
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EVENT_RELEASE_COMPLETE,
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EVENT_FACILITY,
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EVENT_NOTIFY,
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EVENT_STATUS_ENQUIRY,
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EVENT_INFORMATION,
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EVENT_STATUS,
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EVENT_TIMEOUT,
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EVENT_DTMF_TONE,
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EVENT_NEW_L3ID,
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EVENT_NEW_BC,
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EVENT_UNKNOWN
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};
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enum ie_name_e {
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IE_DUMMY,
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IE_LAST
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};
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enum { /* bearer capability */
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INFO_CAPABILITY_SPEECH=0,
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INFO_CAPABILITY_AUDIO_3_1K=0x10 ,
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INFO_CAPABILITY_AUDIO_7K=0x11 ,
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INFO_CAPABILITY_VIDEO =0x18,
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INFO_CAPABILITY_DIGITAL_UNRESTRICTED =0x8,
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INFO_CAPABILITY_DIGITAL_RESTRICTED =0x09,
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INFO_CAPABILITY_DIGITAL_UNRESTRICTED_TONES
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};
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enum { /* progress indicators */
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INFO_PI_CALL_NOT_E2E_ISDN =0x01,
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INFO_PI_CALLED_NOT_ISDN =0x02,
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INFO_PI_CALLER_NOT_ISDN =0x03,
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INFO_PI_CALLER_RETURNED_TO_ISDN =0x04,
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INFO_PI_INBAND_AVAILABLE =0x08,
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INFO_PI_DELAY_AT_INTERF =0x0a,
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INFO_PI_INTERWORKING_WITH_PUBLIC =0x10,
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INFO_PI_INTERWORKING_NO_RELEASE =0x11,
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INFO_PI_INTERWORKING_NO_RELEASE_PRE_ANSWER =0x12,
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INFO_PI_INTERWORKING_NO_RELEASE_POST_ANSWER =0x13
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};
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enum { /*CODECS*/
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INFO_CODEC_ULAW=2,
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INFO_CODEC_ALAW=3
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};
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enum layer_e {
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L3,
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L2,
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L1,
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UNKNOWN
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};
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enum facility_type {
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FACILITY_NONE,
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FACILITY_CALLDEFLECT
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};
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struct misdn_bchannel {
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/** init stuff **/
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int b_stid;
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/* int b_addr; */
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int layer_id;
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/** var stuff**/
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int l3_id;
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int pid;
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int ces;
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int channel;
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int channel_preselected;
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int in_use;
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int addr;
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unsigned char * bframe;
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int bframe_len;
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int time_usec;
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sem_t astsem;
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sem_t misdnsem;
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ibuffer_t *astbuf;
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ibuffer_t *misdnbuf;
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/* dtmf digit */
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int dtmf;
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int send_dtmf;
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/* wether we should use jollys dsp or not */
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int nodsp;
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/* wether we should use our jitter buf system or not */
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int nojitter;
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enum mISDN_NUMBER_PLAN dnumplan;
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enum mISDN_NUMBER_PLAN rnumplan;
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enum mISDN_NUMBER_PLAN onumplan;
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int progress_coding;
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int progress_location;
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int progress_indicator;
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enum facility_type facility;
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char facility_calldeflect_nr[15];
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enum event_e evq;
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/*** CRYPTING STUFF ***/
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int crypt;
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int curprx;
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int curptx;
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char crypt_key[255];
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int crypt_state;
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/*char ast_dtmf_buf[255];
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char misdn_dtmf_buf[255]; */
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/*** CRYPTING STUFF END***/
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int active;
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int upset;
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enum tone_e tone;
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int tone_cnt;
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int tone_cnt2;
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enum bc_state_e state;
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int holded;
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int stack_holder;
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int pres;
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int nohdlc;
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int capability;
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int law;
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/** V110 Stuff **/
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int rate;
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int mode;
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int user1;
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int urate;
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int async;
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/* V110 */
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unsigned char display[84];
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unsigned char msn[32];
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unsigned char oad[32];
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unsigned char rad[32];
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unsigned char dad[32];
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unsigned char orig_dad[32];
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unsigned char keypad[32];
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unsigned char info_dad[64];
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unsigned char infos_pending[64];
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unsigned char info_keypad[32];
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unsigned char clisub[24];
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unsigned char cldsub[24];
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unsigned char fac[132];
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unsigned char uu[256];
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int cause;
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int out_cause;
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/* struct misdn_bchannel hold_bc; */
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/** list stuf **/
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int ec_enable;
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int ec_deftaps;
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int ec_whenbridged;
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int ec_training;
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int orig;
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int txgain;
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int rxgain;
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struct misdn_bchannel *next;
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struct misdn_stack *stack;
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};
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struct misdn_stack {
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/** is first element because &nst equals &mISDNlist **/
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net_stack_t nst;
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manager_t mgr;
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int d_stid;
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int b_num;
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int b_stids[MAX_BCHANS + 1];
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int ptp;
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int lower_id;
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int upper_id;
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int l2link;
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time_t l2establish;
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int l1link;
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int midev;
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enum mode_e {NT_MODE, TE_MODE} mode;
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int pri;
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int procids[0x100+1];
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msg_queue_t downqueue;
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int busy;
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int port;
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struct misdn_bchannel bc[MAX_BCHANS + 1];
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struct misdn_bchannel* bc_list;
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int channels[MAX_BCHANS + 1];
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int te_choose_channel;
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struct misdn_bchannel *holding; /* Queue which holds holded channels :) */
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struct misdn_stack *next;
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};
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struct misdn_stack* get_misdn_stack( void );
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enum event_response_e (*cb_event) (enum event_e event, struct misdn_bchannel *bc, void *user_data);
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void (*cb_log) (int level, int port, char *tmpl, ...);
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int (*cb_clearl3_true)(void);
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struct misdn_lib_iface {
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enum event_response_e (*cb_event)(enum event_e event, struct misdn_bchannel *bc, void *user_data);
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void (*cb_log)(int level, int port, char *tmpl, ...);
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int (*cb_clearl3_true)(void);
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};
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/***** USER IFACE **********/
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int misdn_lib_init(char *portlist, struct misdn_lib_iface* iface, void *user_data);
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int misdn_lib_send_event(struct misdn_bchannel *bc, enum event_e event );
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void misdn_lib_destroy(void);
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void misdn_lib_log_ies(struct misdn_bchannel *bc);
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char *manager_isdn_get_info(enum event_e event);
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void misdn_lib_transfer(struct misdn_bchannel* holded_bc);
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struct misdn_bchannel* misdn_lib_get_free_bc(int port, int channel);
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void manager_bchannel_activate(struct misdn_bchannel *bc);
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void manager_bchannel_deactivate(struct misdn_bchannel * bc);
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int manager_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len);
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void manager_send_tone (struct misdn_bchannel *bc, enum tone_e tone);
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void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2);
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int misdn_lib_port_restart(int port);
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int misdn_lib_get_port_info(int port);
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int misdn_lib_port_up(int port);
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int misdn_lib_get_port_up (int port) ;
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int misdn_lib_maxports_get(void) ;
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void misdn_lib_release(struct misdn_bchannel *bc);
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int misdn_cap_is_speech(int cap);
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int misdn_inband_avail(struct misdn_bchannel *bc);
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int misdn_lib_send_facility(struct misdn_bchannel *bc, enum facility_type fac, void *data);
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struct isdn_msg {
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unsigned long misdn_msg;
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enum layer_e layer;
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enum event_e event;
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void (*msg_parser)(struct isdn_msg *msgs, msg_t *msg, struct misdn_bchannel *bc, int nt);
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msg_t *(*msg_builder)(struct isdn_msg *msgs, struct misdn_bchannel *bc, int nt);
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void (*msg_printer)(struct isdn_msg *msgs);
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char *info;
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} ;
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void manager_ec_enable(struct misdn_bchannel *bc);
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void manager_ec_disable(struct misdn_bchannel *bc);
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/* for isdn_msg_parser.c */
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msg_t *create_l3msg(int prim, int mt, int dinfo , int size, int nt);
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#define PRI_TRANS_CAP_SPEECH 0x0
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#define PRI_TRANS_CAP_DIGITAL 0x08
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#define PRI_TRANS_CAP_RESTRICTED_DIGITAL 0x09
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#define PRI_TRANS_CAP_3_1K_AUDIO 0x10
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#define PRI_TRANS_CAP_7K_AUDIO 0x11
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#endif
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