SPAN_DECLARE(fax_state_t *) fax_init(fax_state_t *s, int calling_party) { if (s == NULL) { if ((s = (fax_state_t *) malloc(sizeof(*s))) == NULL) return NULL; } memset(s, 0, sizeof(*s)); span_log_init(&s->logging, SPAN_LOG_NONE, NULL); span_log_set_protocol(&s->logging, "FAX"); fax_modems_init(&s->modems, FALSE, t30_hdlc_accept, hdlc_underflow_handler, t30_non_ecm_put_bit, t30_non_ecm_get_bit, tone_detected, &s->t30); t30_init(&s->t30, calling_party, fax_set_rx_type, (void *) s, fax_set_tx_type, (void *) s, fax_send_hdlc, (void *) s); t30_set_supported_modems(&s->t30, T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17); t30_restart(&s->t30); #if defined(LOG_FAX_AUDIO) { char buf[100 + 1]; struct tm *tm; time_t now; time(&now); tm = localtime(&now); sprintf(buf, "/tmp/fax-rx-audio-%p-%02d%02d%02d%02d%02d%02d", s, tm->tm_year%100, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); s->modems.audio_rx_log = open(buf, O_CREAT | O_TRUNC | O_WRONLY, 0666); sprintf(buf, "/tmp/fax-tx-audio-%p-%02d%02d%02d%02d%02d%02d", s, tm->tm_year%100, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); s->modems.audio_tx_log = open(buf, O_CREAT | O_TRUNC | O_WRONLY, 0666); } #endif return s; }
SPAN_DECLARE(fax_state_t *) fax_init(fax_state_t *s, int calling_party) { #if 0 v8_parms_t v8_parms; #endif if (s == NULL) { if ((s = (fax_state_t *) span_alloc(sizeof(*s))) == NULL) return NULL; /*endif*/ } /*endif*/ memset(s, 0, sizeof(*s)); span_log_init(&s->logging, SPAN_LOG_NONE, NULL); span_log_set_protocol(&s->logging, "FAX"); fax_modems_init(&s->modems, false, t30_hdlc_accept, hdlc_underflow_handler, t30_non_ecm_put_bit, t30_non_ecm_get_bit, tone_detected, &s->t30); t30_init(&s->t30, calling_party, fax_set_rx_type, (void *) s, fax_set_tx_type, (void *) s, fax_send_hdlc, (void *) s); t30_set_supported_modems(&s->t30, T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17); #if 0 v8_parms.modem_connect_tone = MODEM_CONNECT_TONES_ANSAM_PR; v8_parms.call_function = V8_CALL_T30_RX; v8_parms.modulations = V8_MOD_V21; if (s->t30.supported_modems & T30_SUPPORT_V27TER) v8_parms.modulations |= V8_MOD_V27TER; /*endif*/ if (s->t30.supported_modems & T30_SUPPORT_V29) v8_parms.modulations |= V8_MOD_V29; /*endif*/ if (s->t30.supported_modems & T30_SUPPORT_V17) v8_parms.modulations |= V8_MOD_V17; /*endif*/ if (s->t30.supported_modems & T30_SUPPORT_V34HDX) v8_parms.modulations |= V8_MOD_V34HDX; /*endif*/ v8_parms.protocol = V8_PROTOCOL_NONE; v8_parms.pcm_modem_availability = 0; v8_parms.pstn_access = 0; v8_parms.nsf = -1; v8_parms.t66 = -1; v8_init(&s->v8, calling_party, &v8_parms, v8_handler, s); #endif fax_restart(s, calling_party); return s; }
t38_terminal_state_t *t38_terminal_init(t38_terminal_state_t *s, int calling_party, t38_tx_packet_handler_t *tx_packet_handler, void *tx_packet_user_data) { if (tx_packet_handler == NULL) return NULL; memset(s, 0, sizeof(*s)); span_log_init(&s->logging, SPAN_LOG_NONE, NULL); span_log_set_protocol(&s->logging, "T.38T"); s->rx_signal_present = FALSE; s->timed_step = T38_TIMED_STEP_NONE; s->tx_ptr = 0; t38_core_init(&s->t38, process_rx_indicator, process_rx_data, process_rx_missing, (void *) s, tx_packet_handler, tx_packet_user_data); s->t38.fastest_image_data_rate = 14400; t38_terminal_set_config(s, FALSE); s->timed_step = T38_TIMED_STEP_NONE; s->current_tx_data_type = T38_DATA_NONE; s->next_tx_samples = 0; t30_init(&(s->t30_state), calling_party, set_rx_type, (void *) s, set_tx_type, (void *) s, send_hdlc, (void *) s); t30_set_supported_modems(&(s->t30_state), T30_SUPPORT_V27TER | T30_SUPPORT_V29 | T30_SUPPORT_V17 | T30_SUPPORT_IAF); t30_set_iaf_mode(&(s->t30_state), T30_IAF_MODE_T37 | T30_IAF_MODE_T38); t30_restart(&s->t30_state); return s; }
static void handle_uc_event(uc_t *uc, void *user_data, uc_event_t *e) { int chan; chan = (int) user_data; printf ("-- %s (%d)\n", uc_event2str(e->e), chan); switch (e->e) { case UC_EVENT_DEVICEFAIL: break; case UC_EVENT_PROTOCOLFAIL: printf("-- Protocol failure on channel %d, cause %d\n", e->gen.channel, e->gen.data); break; case UC_EVENT_SIGCHANSTATUS: printf("-- Signalling channel status - %s\n", e->sigchanstatus.ok ? "Up" : "Down"); break; case UC_EVENT_ALARM: printf("-- Alarm - 0x%X 0x%X\n", e->alarm.raised, e->alarm.cleared); break; case UC_EVENT_FARBLOCKED: printf("-- Channel far end blocked! :-(\n"); chan_stuff[chan].xxx &= ~1; break; case UC_EVENT_FARUNBLOCKED: printf("-- Channel far end unblocked! :-)\n"); chan_stuff[chan].xxx |= 1; if (chan_stuff[chan].xxx == 3) { if (caller_mode) initiate_call(uc, chan, e); /*endif*/ } /*endif*/ break; case UC_EVENT_LOCALBLOCKED: printf("-- Channel local end blocked! :-(\n"); chan_stuff[chan].xxx &= ~2; break; case UC_EVENT_LOCALUNBLOCKED: printf("-- Channel local end unblocked! :-)\n"); chan_stuff[chan].xxx |= 2; if (chan_stuff[chan].xxx == 3) { if (caller_mode) initiate_call(uc, chan, e); /*endif*/ } /*endif*/ break; case UC_EVENT_DIALING: printf("-- Dialing on channel %d\n", e->gen.channel); break; case UC_EVENT_PROCEEDING: printf("-- Proceeding on channel %d\n", e->gen.channel); break; case UC_EVENT_ACCEPTED: printf("-- Accepted on channel %d\n", e->gen.channel); if (uc_call_control(uc, UC_OP_ANSWERCALL, e->gen.crn, (void *) -1)) fprintf(stderr, "Answer Call failed\n"); /*endif*/ break; case UC_EVENT_DETECTED: printf("-- Detected on channel %d\n", e->gen.channel); break; case UC_EVENT_MOREDIGITS: printf("-- More digits on channel %d, CRN %d (ANI: %s, DNIS: %s)\n", e->offered.channel, e->offered.crn, e->offered.parms.originating_number, e->offered.parms.destination_number); break; case UC_EVENT_ALERTING: printf("-- Alerting on channel %d\n", e->gen.channel); /* This is just a notification of call progress. We need take no action at this point. */ break; case UC_EVENT_FARDISCONNECTED: printf("-- Far end disconnected on channel %d\n", e->fardisconnected.channel); /* Kill any outstanding audio processing */ uc_set_channel_read_callback(uc, 0, NULL, 0); uc_set_channel_write_callback(uc, 0, NULL, 0); if (uc_call_control(uc, UC_OP_DROPCALL, e->fardisconnected.crn, (void *) UC_CAUSE_NORMAL_CLEARING)) fprintf(stderr, "C Drop Call failed\n"); /*endif*/ break; case UC_EVENT_DROPCALL: printf("-- Drop call on channel %d\n", e->gen.channel); if (uc_call_control(uc, UC_OP_RELEASECALL, e->gen.crn, NULL)) fprintf(stderr, "uc_ReleaseCall failed\n"); /*endif*/ break; case UC_EVENT_RELEASECALL: printf("-- Released on channel %d\n", e->gen.channel); if (caller_mode) initiate_call(uc, chan, e); /*endif*/ break; case UC_EVENT_OFFERED: printf("-- Offered on channel %d, CRN %d (ANI: %s, DNIS: %s)\n", e->offered.channel, e->offered.crn, e->offered.parms.originating_number, e->offered.parms.destination_number); if (!caller_mode) { switch (chan_stuff[chan].cause) { case 0: if (uc_call_control(uc, UC_OP_ACCEPTCALL, e->offered.crn, (void *) -1)) fprintf(stderr, "uc_AcceptCall failed\n"); /*endif*/ chan_stuff[chan].crn = e->offered.crn; break; case 1: if (uc_call_control(uc, UC_OP_ANSWERCALL, e->offered.crn, (void *) -1)) fprintf(stderr, "uc_AnswerCall failed\n"); /*endif*/ chan_stuff[chan].crn = e->offered.crn; break; case 2: if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_USER_BUSY)) fprintf(stderr, "E Drop Call failed\n"); /*endif*/ break; case 3: if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_UNASSIGNED_NUMBER)) fprintf(stderr, "F Drop Call failed\n"); /*endif*/ break; case 4: if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NETWORK_CONGESTION)) fprintf(stderr, "G Drop Call failed\n"); /*endif*/ break; case 5: if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_DEST_OUT_OF_ORDER)) fprintf(stderr, "H Drop Call failed\n"); /*endif*/ break; } /*endswitch*/ if (++chan_stuff[chan].cause > 5) chan_stuff[chan].cause = 0; /*endif*/ } /*endif*/ break; case UC_EVENT_ANSWERED: printf("-- Answered on channel %d\n", e->gen.channel); uc_set_channel_read_callback(uc, 0, channel_read_fax_channel, (void *) chan); printf("XXX read callback set\n"); uc_set_channel_write_callback(uc, 0, channel_write_fax_channel, (void *) chan); printf("XXX write callback set\n"); t30_init(&(chan_stuff[chan].fax), FALSE, uc); t30_set_local_ident(&(chan_stuff[chan].fax), "12345678"); t30_set_tx_file(&(chan_stuff[chan].fax), "tx.tif"); //t30_set_rx_file(&(chan_stuff[chan].fax), "rx.tif"); t30_set_phase_b_handler(&(chan_stuff[chan].fax), phase_b_handler, &(chan_stuff[chan])); t30_set_phase_d_handler(&(chan_stuff[chan].fax), phase_d_handler, &(chan_stuff[chan])); t30_set_phase_e_handler(&(chan_stuff[chan].fax), phase_e_handler, &(chan_stuff[chan])); t30_set_flush_handler(&(chan_stuff[chan].fax), flush_handler, &(chan_stuff[chan])); printf("XXX FAX inited\n"); dtmf_rx_init(&chan_stuff[chan].dtmf_state, NULL, NULL); printf("XXX DTMF inited\n"); break; case UC_EVENT_CONNECTED: printf("-- Connected on channel %d\n", e->gen.channel); uc_set_channel_read_callback(uc, 0, channel_read_fax_channel, (void *) chan); printf("XXX read callback set\n"); uc_set_channel_write_callback(uc, 0, channel_write_fax_channel, (void *) chan); printf("XXX write callback set\n"); t30_init(&(chan_stuff[chan].fax), TRUE, uc); t30_set_local_ident(&(chan_stuff[chan].fax), "87654321"); t30_set_tx_file(&(chan_stuff[chan].fax), "tx.tif"); //t30_set_rx_file(&(chan_stuff[chan].fax), "rx.tif"); t30_set_phase_b_handler(&(chan_stuff[chan].fax), phase_b_handler, &(chan_stuff[chan])); t30_set_phase_d_handler(&(chan_stuff[chan].fax), phase_d_handler, &(chan_stuff[chan])); t30_set_phase_e_handler(&(chan_stuff[chan].fax), phase_e_handler, &(chan_stuff[chan])); printf("XXX FAX inited\n"); #if 0 if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NORMAL_CLEARING)) printf ("I Drop Call failed\n"); /*endif*/ #endif break; default: fprintf(stderr, "--!! Unknown signaling event %d\n", e->e); break; } /*endswitch*/ }
fax_state_t *fax_init(fax_state_t *s, int calling_party) { if (s == NULL) { if ((s = (fax_state_t *) malloc(sizeof(*s))) == NULL) return NULL; } memset(s, 0, sizeof(*s)); span_log_init(&s->logging, SPAN_LOG_NONE, NULL); span_log_set_protocol(&s->logging, "FAX"); t30_init(&(s->t30_state), calling_party, fax_set_rx_type, (void *) s, fax_set_tx_type, (void *) s, fax_send_hdlc, (void *) s); t30_set_supported_modems(&(s->t30_state), T30_SUPPORT_V27TER | T30_SUPPORT_V29); hdlc_rx_init(&(s->hdlcrx), FALSE, FALSE, 5, t30_hdlc_accept, &(s->t30_state)); fsk_rx_init(&(s->v21rx), &preset_fsk_specs[FSK_V21CH2], TRUE, (put_bit_func_t) hdlc_rx_put_bit, &(s->hdlcrx)); fsk_rx_signal_cutoff(&(s->v21rx), -45.5); hdlc_tx_init(&(s->hdlctx), FALSE, 2, FALSE, hdlc_underflow_handler, &(s->t30_state)); s->first_tx_hdlc_frame = TRUE; fsk_tx_init(&(s->v21tx), &preset_fsk_specs[FSK_V21CH2], (get_bit_func_t) hdlc_tx_get_bit, &(s->hdlctx)); v17_rx_init(&(s->v17rx), 14400, t30_non_ecm_put_bit, &(s->t30_state)); v17_tx_init(&(s->v17tx), 14400, s->use_tep, t30_non_ecm_get_bit, &(s->t30_state)); v29_rx_init(&(s->v29rx), 9600, t30_non_ecm_put_bit, &(s->t30_state)); v29_rx_signal_cutoff(&(s->v29rx), -45.5); v29_tx_init(&(s->v29tx), 9600, s->use_tep, t30_non_ecm_get_bit, &(s->t30_state)); v27ter_rx_init(&(s->v27ter_rx), 4800, t30_non_ecm_put_bit, &(s->t30_state)); v27ter_tx_init(&(s->v27ter_tx), 4800, s->use_tep, t30_non_ecm_get_bit, &(s->t30_state)); silence_gen_init(&(s->silence_gen), 0); dc_restore_init(&(s->dc_restore)); t30_restart(&(s->t30_state)); #if defined(LOG_FAX_AUDIO) { char buf[100 + 1]; struct tm *tm; time_t now; time(&now); tm = localtime(&now); sprintf(buf, "/tmp/fax-rx-audio-%x-%02d%02d%02d%02d%02d%02d", s, tm->tm_year%100, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); s->fax_audio_rx_log = open(buf, O_CREAT | O_TRUNC | O_WRONLY, 0666); sprintf(buf, "/tmp/fax-tx-audio-%x-%02d%02d%02d%02d%02d%02d", s, tm->tm_year%100, tm->tm_mon + 1, tm->tm_mday, tm->tm_hour, tm->tm_min, tm->tm_sec); s->fax_audio_tx_log = open(buf, O_CREAT | O_TRUNC | O_WRONLY, 0666); } #endif return s; }