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