Beispiel #1
0
void channel_read_adsi_channel(uc_t *uc, int chan, void *user_data, uint8_t *buf, int len)
{
    int i;
    int xlen;
    int16_t pcm_buf[1024];
    char *s;
    int outframes;
    
    for (i = 0;  i < len;  i++)
        pcm_buf[i] = alaw_to_linear(buf[i]);
    /*endfor*/
    outframes = afWriteFrames(rxhandle,
                              AF_DEFAULT_TRACK,
                              pcm_buf,
                              len);
    if (outframes != len)
    {
        printf("Failed to write %d samples\n", len);
        exit(2);
    }
    
    dtmf_rx(&chan_stuff[chan].dtmf_state, pcm_buf, len);
    xlen = dtmf_rx_get(&chan_stuff[chan].dtmf_state,
                       chan_stuff[chan].dtmf + chan_stuff[chan].dtmf_ptr,
                       100 - chan_stuff[chan].dtmf_ptr);
    if (xlen > 0)
    {
        s = chan_stuff[chan].dtmf + chan_stuff[chan].dtmf_ptr;
        while (*s)
        {
            if (*s == '#')
            {
                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, chan_stuff[chan].crn, (void *) UC_CAUSE_NORMAL_CLEARING))
                    printf ("A Drop Call failed\n");
                /*endif*/
                break;
            }
            /*endif*/
            s++;
        }
        /*endwhile*/
        printf("Got '%s'\n", chan_stuff[chan].dtmf);
        chan_stuff[chan].dtmf_ptr += xlen;
    }
    /*endif*/
    adsi_rx(&(chan_stuff[chan].adsi_rx), pcm_buf, len);
}
Beispiel #2
0
void channel_read_fax_channel(uc_t *uc, int chan, void *user_data, uint8_t *buf, int len)
{
    int i;
    int xlen;
    char *s;
    int outframes;

#if 0
    outframes = afWriteFrames(rxhandle,
                              AF_DEFAULT_TRACK,
                              buf,
                              len >> 1);
    if (outframes != len)
    {
        printf("Failed to write %d samples\n", len);
        exit(2);
    }
#endif
    dtmf_rx(&chan_stuff[chan].dtmf_state, (int16_t *) buf, len);
    xlen = dtmf_rx_get(&chan_stuff[chan].dtmf_state,
                       chan_stuff[chan].dtmf + chan_stuff[chan].dtmf_ptr,
                       100 - chan_stuff[chan].dtmf_ptr);
    if (xlen > 0)
    {
        s = chan_stuff[chan].dtmf + chan_stuff[chan].dtmf_ptr;
        while (*s)
        {
            if (*s == '#')
            {
                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, chan_stuff[chan].crn, (void *) UC_CAUSE_NORMAL_CLEARING))
                    printf ("A Drop Call failed\n");
                /*endif*/
                break;
            }
            /*endif*/
            s++;
        }
        /*endwhile*/
        printf("Got '%s'\n", chan_stuff[chan].dtmf);
        chan_stuff[chan].dtmf_ptr += xlen;
    }
    /*endif*/
    t30_rx(&(chan_stuff[chan].fax), (int16_t *) buf, len);
}
Beispiel #3
0
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_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_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*/
                break;
            case 1:
                if (uc_call_control(uc, UC_OP_ANSWERCALL, e->offered.crn, (void *) -1))
                    fprintf(stderr, "uc_AnswerCall failed\n");
                /*endif*/
                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_adsi_channel, (void *) chan);
printf("XXX read callback set\n");
        uc_set_channel_write_callback(uc, 0, channel_write_adsi_channel, (void *) chan);
printf("XXX write callback set\n");
        adsi_tx_init(&(chan_stuff[chan].adsi_tx), ADSI_STANDARD_CLASS);
printf("XXX ADSI 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);
        if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NORMAL_CLEARING))
            printf ("I Drop Call failed\n");
        /*endif*/
        break;
    default:
        fprintf(stderr, "--!! Unknown signaling event %d\n", e->e);
        break;
    }
    /*endswitch*/
}