/* * 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 /** For initialization usage **/ /* typedef int ie_nothing_t ;*/ /** end of init usage **/ /* * uncomment the following to make chan_misdn create * record files in /tmp/misdn-{rx|tx}-PortChannel format * */ /*#define MISDN_SAVE_DATA*/ #ifdef WITH_BEROEC typedef int beroec_t; enum beroec_type { BEROEC_FULLBAND=0, BEROEC_SUBBAND, BEROEC_FASTSUBBAND }; void beroec_init(void); void beroec_exit(void); beroec_t *beroec_new(int tail, enum beroec_type type, int anti_howl, int tonedisable, int zerocoeff, int adapt, int nlp); void beroec_destroy(beroec_t *ec); int beroec_cancel_alaw_chunk(beroec_t *ec, char *send, char *receive , int len); int beroec_version(void); #endif enum tone_e { TONE_NONE=0, TONE_DIAL, TONE_ALERTING, TONE_FAR_ALERTING, TONE_BUSY, TONE_HANGUP, TONE_CUSTOM, TONE_FILE }; #define MAX_BCHANS 31 enum bchannel_state { BCHAN_CLEANED=0, BCHAN_EMPTY, BCHAN_SETUP, BCHAN_SETUPED, BCHAN_ACTIVE, BCHAN_ACTIVATED, BCHAN_BRIDGE, BCHAN_BRIDGED, BCHAN_RELEASE, BCHAN_RELEASED, BCHAN_CLEAN, BCHAN_CLEAN_REQUEST, BCHAN_ERROR }; 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_RELEASE_SETUP, RESPONSE_ERR, RESPONSE_OK }; enum event_e { EVENT_NOTHING, EVENT_TONE_GENERATE, EVENT_BCHAN_DATA, EVENT_BCHAN_ACTIVATED, EVENT_BCHAN_ERROR, 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_PORT_ALARM, EVENT_NEW_CHANNEL, 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 }; struct misdn_bchannel { struct send_lock *send_lock; int nt; int port; /** init stuff **/ int b_stid; /* int b_addr; */ int layer_id; int layer; /*state stuff*/ int need_disconnect; int need_release; int need_release_complete; int dec; /** var stuff**/ int l3_id; int pid; int ces; int restart_channel; int channel; int channel_preselected; int in_use; int cw; int addr; char * bframe; int bframe_len; int time_usec; void *astbuf; void *misdnbuf; int te_choose_channel; int early_bconnect; /* dtmf digit */ int dtmf; int send_dtmf; /* get setup ack */ int need_more_infos; /* may there be more infos ?*/ int sending_complete; /* 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; enum mISDN_NUMBER_PLAN cpnnumplan; int progress_coding; int progress_location; int progress_indicator; struct FacParm fac_in; struct FacParm fac_out; /* storing the current AOCD info here */ enum FacFunction AOCDtype; union { struct FacAOCDCurrency currency; struct FacAOCDChargingUnit chargingUnit; } AOCD; int AOCD_need_export; 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; int generate_tone; int tone_cnt; enum bchannel_state bc_state; enum bchannel_state next_bc_state; int conf_id; int holded; int stack_holder; int pres; int screen; int capability; int law; /** V110 Stuff **/ int rate; int mode; int user1; int urate; int hdlc; /* V110 */ char display[84]; char msn[32]; char oad[32]; char rad[32]; char dad[32]; char cad[32]; char orig_dad[32]; char keypad[32]; char info_dad[64]; char infos_pending[64]; /* unsigned char info_keypad[32]; */ /* unsigned char clisub[24]; */ /* unsigned char cldsub[24]; */ char uu[256]; int uulen; int cause; int out_cause; /* struct misdn_bchannel hold_bc; */ /** list stuf **/ #ifdef MISDN_1_2 char pipeline[128]; #else int ec_enable; int ec_deftaps; #endif #ifdef WITH_BEROEC beroec_t *ec; int bnec_tail; int bnec_ah; int bnec_nlp; int bnec_td; int bnec_adapt; int bnec_zero; #endif int orig; int txgain; int rxgain; struct misdn_bchannel *next; }; 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_jb_empty)(struct misdn_bchannel *bc, char *buffer, int len); 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_jb_empty)(struct misdn_bchannel *bc, char *buffer, int len); }; /***** USER IFACE **********/ void misdn_lib_nt_debug_init( int flags, char *file ); 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_isdn_l1watcher(int port); 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, int inout, int dec); void manager_bchannel_activate(struct misdn_bchannel *bc); void manager_bchannel_deactivate(struct misdn_bchannel * bc); int misdn_lib_tx2misdn_frm(struct misdn_bchannel *bc, void *data, int len); void manager_ph_control(struct misdn_bchannel *bc, int c1, int c2); void isdn_lib_update_rxgain (struct misdn_bchannel *bc); void isdn_lib_update_txgain (struct misdn_bchannel *bc); void isdn_lib_update_ec (struct misdn_bchannel *bc); void isdn_lib_stop_dtmf (struct misdn_bchannel *bc); int misdn_lib_port_restart(int port); int misdn_lib_pid_restart(int pid); int misdn_lib_get_port_info(int port); int misdn_lib_is_port_blocked(int port); int misdn_lib_port_block(int port); int misdn_lib_port_unblock(int port); int misdn_lib_port_is_pri(int port); int misdn_lib_port_up(int port, int notcheck); int misdn_lib_get_port_down(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); void manager_ec_enable(struct misdn_bchannel *bc); void manager_ec_disable(struct misdn_bchannel *bc); void misdn_lib_send_tone(struct misdn_bchannel *bc, enum tone_e tone); void get_show_stack_details(int port, char *buf); void misdn_lib_tone_generator_start(struct misdn_bchannel *bc); void misdn_lib_tone_generator_stop(struct misdn_bchannel *bc); void misdn_lib_setup_bc(struct misdn_bchannel *bc); void misdn_lib_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2); void misdn_lib_split_bridge( struct misdn_bchannel * bc1, struct misdn_bchannel *bc2); void misdn_lib_echo(struct misdn_bchannel *bc, int onoff); int misdn_lib_is_ptp(int port); int misdn_lib_get_maxchans(int port); void misdn_lib_reinit_nt_stack(int port); #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 char *bc_state2str(enum bchannel_state state); void bc_state_change(struct misdn_bchannel *bc, enum bchannel_state state); #endif