forked from Mirrors/freeswitch
651 lines
21 KiB
C
651 lines
21 KiB
C
/*
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* SpanDSP - a series of DSP components for telephony
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*
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* testfax.c
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*
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* Written by Steve Underwood <steveu@coppice.org>
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*
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* Copyright (C) 2003 Steve Underwood
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*
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* All rights reserved.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2, as
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* published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#if defined(HAVE_CONFIG_H)
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#include <config.h>
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#endif
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#include <fcntl.h>
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#include <stdio.h>
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#include <string.h>
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#include <errno.h>
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#include <sys/ioctl.h>
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#include <stdlib.h>
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#include <inttypes.h>
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#include <sys/signal.h>
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#include <sys/select.h>
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#include <sys/wait.h>
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#include <sys/resource.h>
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#include <sys/time.h>
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#if defined(HAVE_LIBUNICALL)
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#include <linux/zaptel.h>
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#include <pthread.h>
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#include <sndfile.h>
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#include <tiffio.h>
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#include "unicall.h"
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//#include "../libmfcr2/libmfcr2.h"
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//#include "../libpri/libpri.h"
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//#include "../libpri/libfx.h"
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#include "spandsp.h"
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int caller_mode = FALSE;
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static SNDFILE *rxhandle;
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static SNDFILE *txhandle;
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typedef struct
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{
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pthread_t thread;
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int chan;
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int sig_fd;
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int fd;
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uc_call_t *call;
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uc_crn_t crn;
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int xxx;
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int cause;
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uc_t *uc;
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dtmf_rx_state_t dtmf_state;
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char dtmf[101];
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int dtmf_ptr;
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char *tag;
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char originating_number[32];
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char destination_number[32];
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t30_state_t fax;
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} chan_stuff_t;
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chan_stuff_t chan_stuff[30];
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tone_gen_descriptor_t tone_desc;
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tone_gen_state_t gen;
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pthread_mutex_t mutex;
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void channel_read_fax_channel(uc_t *uc, int chan, void *user_data, uint8_t *buf, int len);
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int channel_write_fax_channel(uc_t *uc, int chan, void *user_data, uint8_t *buf, int max_len);
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int channel_error(uc_t *uc, int chan, void *user_data, int cause);
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int signaling_error(uc_t *uc, void *user_data, int cause);
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void channel_read_fax_channel(uc_t *uc, int chan, void *user_data, uint8_t *buf, int len)
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{
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int i;
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int xlen;
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char *s;
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int outframes;
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#if 0
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outframes = sf_writef_short(rxhandle,
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AF_DEFAULT_TRACK,
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buf,
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len >> 1);
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if (outframes != len)
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{
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printf("Failed to write %d samples\n", len);
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exit(2);
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}
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#endif
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dtmf_rx(&chan_stuff[chan].dtmf_state, (int16_t *) buf, len);
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xlen = dtmf_rx_get(&chan_stuff[chan].dtmf_state,
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chan_stuff[chan].dtmf + chan_stuff[chan].dtmf_ptr,
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100 - chan_stuff[chan].dtmf_ptr);
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if (xlen > 0)
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{
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s = chan_stuff[chan].dtmf + chan_stuff[chan].dtmf_ptr;
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while (*s)
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{
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if (*s == '#')
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{
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uc_set_channel_read_callback(uc, 0, NULL, 0);
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uc_set_channel_write_callback(uc, 0, NULL, 0);
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if (uc_call_control(uc, UC_OP_DROPCALL, chan_stuff[chan].crn, (void *) UC_CAUSE_NORMAL_CLEARING))
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printf ("A Drop Call failed\n");
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/*endif*/
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break;
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}
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/*endif*/
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s++;
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}
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/*endwhile*/
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printf("Got '%s'\n", chan_stuff[chan].dtmf);
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chan_stuff[chan].dtmf_ptr += xlen;
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}
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/*endif*/
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t30_rx(&(chan_stuff[chan].fax), (int16_t *) buf, len);
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}
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/*- End of function --------------------------------------------------------*/
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int channel_write_fax_channel(uc_t *uc, int chan, void *user_data, uint8_t *buf, int max_len)
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{
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int len;
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len = t30_tx(&(chan_stuff[chan].fax), (int16_t *) buf, max_len >> 1);
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sf_writef_short(txhandle, AF_DEFAULT_TRACK, buf, len);
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if (len > 0)
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len <<= 1;
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return len;
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}
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/*- End of function --------------------------------------------------------*/
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int channel_error(uc_t *uc, int chan, void *user_data, int cause)
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{
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printf("Error %d\n", cause);
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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int signaling_error(uc_t *uc, void *user_data, int cause)
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{
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printf("Error %d\n", cause);
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return 0;
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}
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/*- End of function --------------------------------------------------------*/
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static void initiate_call(uc_t *uc, int chan, uc_event_t *e)
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{
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uc_makecall_t makecall;
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uc_callparms_t *callparms;
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int ret;
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printf ("Initiating call\n");
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pthread_mutex_lock(&mutex);
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if ((callparms = uc_new_callparms(NULL)) == NULL)
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return;
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/*endif*/
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pthread_mutex_unlock(&mutex);
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uc_callparm_originating_number(callparms, chan_stuff[chan].originating_number);
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uc_callparm_destination_number(callparms, chan_stuff[chan].destination_number);
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makecall.callparms = callparms;
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makecall.crn = 0;
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if (ret = uc_call_control(uc, UC_OP_MAKECALL, 0, (void *) &makecall) != UC_RET_OK)
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fprintf(stderr, "Make Call failed - %d\n", ret);
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/*endif*/
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chan_stuff[chan].crn = makecall.crn;
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free(callparms);
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}
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/*- End of function --------------------------------------------------------*/
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static void phase_b_handler(t30_state_t *s, void *user_data, int msg)
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{
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chan_stuff_t *t;
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t = (chan_stuff_t *) user_data;
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printf("Phase B - %d\n", msg);
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}
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/*- End of function --------------------------------------------------------*/
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static void phase_d_handler(t30_state_t *s, void *user_data, int msg)
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{
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chan_stuff_t *t;
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t = (chan_stuff_t *) user_data;
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printf("Phase D - %d\n", msg);
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}
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/*- End of function --------------------------------------------------------*/
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static void phase_e_handler(t30_state_t *s, void *user_data, int result)
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{
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chan_stuff_t *t;
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printf("Phase E - %d\n", result);
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t = (chan_stuff_t *) user_data;
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if (uc_call_control(t->uc, UC_OP_DROPCALL, t->crn, (void *) UC_CAUSE_NORMAL_CLEARING))
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fprintf(stderr, "Phase E Drop Call failed\n");
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/*endif*/
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}
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/*- End of function --------------------------------------------------------*/
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static void flush_handler(t30_state_t *s, void *user_data, int which)
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{
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chan_stuff_t *t;
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printf("Flush\n");
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t = (chan_stuff_t *) user_data;
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}
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/*- End of function --------------------------------------------------------*/
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static void handle_uc_event(uc_t *uc, void *user_data, uc_event_t *e)
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{
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int chan;
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chan = (int) user_data;
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printf ("-- %s (%d)\n", uc_event2str(e->e), chan);
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switch (e->e)
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{
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case UC_EVENT_DEVICEFAIL:
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break;
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case UC_EVENT_PROTOCOLFAIL:
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printf("-- Protocol failure on channel %d, cause %d\n", e->gen.channel, e->gen.data);
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break;
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case UC_EVENT_SIGCHANSTATUS:
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printf("-- Signalling channel status - %s\n", e->sigchanstatus.ok ? "Up" : "Down");
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break;
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case UC_EVENT_ALARM:
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printf("-- Alarm - 0x%X 0x%X\n", e->alarm.raised, e->alarm.cleared);
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break;
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case UC_EVENT_FARBLOCKED:
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printf("-- Channel far end blocked! :-(\n");
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chan_stuff[chan].xxx &= ~1;
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break;
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case UC_EVENT_FARUNBLOCKED:
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printf("-- Channel far end unblocked! :-)\n");
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chan_stuff[chan].xxx |= 1;
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if (chan_stuff[chan].xxx == 3)
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{
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if (caller_mode)
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initiate_call(uc, chan, e);
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/*endif*/
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}
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/*endif*/
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break;
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case UC_EVENT_LOCALBLOCKED:
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printf("-- Channel local end blocked! :-(\n");
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chan_stuff[chan].xxx &= ~2;
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break;
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case UC_EVENT_LOCALUNBLOCKED:
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printf("-- Channel local end unblocked! :-)\n");
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chan_stuff[chan].xxx |= 2;
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if (chan_stuff[chan].xxx == 3)
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{
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if (caller_mode)
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initiate_call(uc, chan, e);
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/*endif*/
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}
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/*endif*/
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break;
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case UC_EVENT_DIALING:
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printf("-- Dialing on channel %d\n", e->gen.channel);
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break;
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case UC_EVENT_PROCEEDING:
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printf("-- Proceeding on channel %d\n", e->gen.channel);
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break;
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case UC_EVENT_ACCEPTED:
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printf("-- Accepted on channel %d\n", e->gen.channel);
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if (uc_call_control(uc, UC_OP_ANSWERCALL, e->gen.crn, (void *) -1))
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fprintf(stderr, "Answer Call failed\n");
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/*endif*/
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break;
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case UC_EVENT_DETECTED:
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printf("-- Detected on channel %d\n", e->gen.channel);
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break;
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case UC_EVENT_MOREDIGITS:
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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);
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break;
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case UC_EVENT_ALERTING:
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printf("-- Alerting on channel %d\n", e->gen.channel);
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/* This is just a notification of call progress. We need take no action at this point. */
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break;
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case UC_EVENT_FARDISCONNECTED:
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printf("-- Far end disconnected on channel %d\n", e->fardisconnected.channel);
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/* Kill any outstanding audio processing */
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uc_set_channel_read_callback(uc, 0, NULL, 0);
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uc_set_channel_write_callback(uc, 0, NULL, 0);
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if (uc_call_control(uc, UC_OP_DROPCALL, e->fardisconnected.crn, (void *) UC_CAUSE_NORMAL_CLEARING))
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fprintf(stderr, "C Drop Call failed\n");
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/*endif*/
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break;
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case UC_EVENT_DROPCALL:
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printf("-- Drop call on channel %d\n", e->gen.channel);
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if (uc_call_control(uc, UC_OP_RELEASECALL, e->gen.crn, NULL))
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fprintf(stderr, "uc_ReleaseCall failed\n");
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/*endif*/
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break;
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case UC_EVENT_RELEASECALL:
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printf("-- Released on channel %d\n", e->gen.channel);
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if (caller_mode)
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initiate_call(uc, chan, e);
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/*endif*/
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break;
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case UC_EVENT_OFFERED:
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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);
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if (!caller_mode)
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{
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switch (chan_stuff[chan].cause)
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{
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case 0:
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if (uc_call_control(uc, UC_OP_ACCEPTCALL, e->offered.crn, (void *) -1))
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fprintf(stderr, "uc_AcceptCall failed\n");
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/*endif*/
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chan_stuff[chan].crn = e->offered.crn;
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break;
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case 1:
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if (uc_call_control(uc, UC_OP_ANSWERCALL, e->offered.crn, (void *) -1))
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fprintf(stderr, "uc_AnswerCall failed\n");
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/*endif*/
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chan_stuff[chan].crn = e->offered.crn;
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break;
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case 2:
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if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_USER_BUSY))
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fprintf(stderr, "E Drop Call failed\n");
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/*endif*/
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break;
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case 3:
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if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_UNASSIGNED_NUMBER))
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fprintf(stderr, "F Drop Call failed\n");
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/*endif*/
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break;
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case 4:
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if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NETWORK_CONGESTION))
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fprintf(stderr, "G Drop Call failed\n");
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/*endif*/
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break;
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case 5:
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if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_DEST_OUT_OF_ORDER))
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fprintf(stderr, "H Drop Call failed\n");
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/*endif*/
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break;
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}
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/*endswitch*/
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if (++chan_stuff[chan].cause > 5)
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chan_stuff[chan].cause = 0;
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/*endif*/
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}
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/*endif*/
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break;
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case UC_EVENT_ANSWERED:
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printf("-- Answered on channel %d\n", e->gen.channel);
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uc_set_channel_read_callback(uc, 0, channel_read_fax_channel, (void *) chan);
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printf("XXX read callback set\n");
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uc_set_channel_write_callback(uc, 0, channel_write_fax_channel, (void *) chan);
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printf("XXX write callback set\n");
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t30_init(&(chan_stuff[chan].fax), FALSE, uc);
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t30_set_local_ident(&(chan_stuff[chan].fax), "12345678");
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t30_set_tx_file(&(chan_stuff[chan].fax), "tx.tif");
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//t30_set_rx_file(&(chan_stuff[chan].fax), "rx.tif");
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t30_set_phase_b_handler(&(chan_stuff[chan].fax), phase_b_handler, &(chan_stuff[chan]));
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t30_set_phase_d_handler(&(chan_stuff[chan].fax), phase_d_handler, &(chan_stuff[chan]));
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t30_set_phase_e_handler(&(chan_stuff[chan].fax), phase_e_handler, &(chan_stuff[chan]));
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t30_set_flush_handler(&(chan_stuff[chan].fax), flush_handler, &(chan_stuff[chan]));
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printf("XXX FAX inited\n");
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dtmf_rx_init(&chan_stuff[chan].dtmf_state, NULL, NULL);
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printf("XXX DTMF inited\n");
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break;
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case UC_EVENT_CONNECTED:
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printf("-- Connected on channel %d\n", e->gen.channel);
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uc_set_channel_read_callback(uc, 0, channel_read_fax_channel, (void *) chan);
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printf("XXX read callback set\n");
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uc_set_channel_write_callback(uc, 0, channel_write_fax_channel, (void *) chan);
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printf("XXX write callback set\n");
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t30_init(&(chan_stuff[chan].fax), TRUE, uc);
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t30_set_local_ident(&(chan_stuff[chan].fax), "87654321");
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t30_set_tx_file(&(chan_stuff[chan].fax), "tx.tif");
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//t30_set_rx_file(&(chan_stuff[chan].fax), "rx.tif");
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t30_set_phase_b_handler(&(chan_stuff[chan].fax), phase_b_handler, &(chan_stuff[chan]));
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t30_set_phase_d_handler(&(chan_stuff[chan].fax), phase_d_handler, &(chan_stuff[chan]));
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t30_set_phase_e_handler(&(chan_stuff[chan].fax), phase_e_handler, &(chan_stuff[chan]));
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printf("XXX FAX inited\n");
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#if 0
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if (uc_call_control(uc, UC_OP_DROPCALL, e->offered.crn, (void *) UC_CAUSE_NORMAL_CLEARING))
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printf ("I Drop Call failed\n");
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/*endif*/
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#endif
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break;
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default:
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fprintf(stderr, "--!! Unknown signaling event %d\n", e->e);
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break;
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}
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/*endswitch*/
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}
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/*- End of function --------------------------------------------------------*/
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static void *run_uc(void *arg)
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{
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uc_t *uc;
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uc_event_t *e;
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struct timeval tv = {0,0};
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struct timeval *next;
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fd_set rfds;
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fd_set wfds;
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fd_set efds;
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int res;
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int dfd;
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int chan;
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chan = *((int *) arg);
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dfd = chan_stuff[chan].fd;
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if (chan < 4)
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uc = uc_new(dfd, dfd, "fx", "ls,us", UC_MODE_CO, 1);
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else
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uc = uc_new(dfd, dfd, "fx", "ls", UC_MODE_CPE, 1);
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//uc = uc_new(dfd, dfd, "mfcr2", "cn", UC_MODE_CPE, 1);
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//uc = uc_new(dfd, dfd, "pri", "ctr4", UC_MODE_CPE, 1);
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if (uc == NULL)
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{
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fprintf(stderr, "Unable to create instance\n");
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return NULL;
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}
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/*endif*/
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uc_set_api_codec(uc, 0, UC_CODEC_LINEAR16);
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chan_stuff[chan].uc = uc;
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uc_set_signaling_callback(uc, handle_uc_event, (void *) chan);
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uc_set_signaling_error_callback(uc, signaling_error, (void *) chan);
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uc_set_channel_error_callback(uc, 0, channel_error, (void *) chan);
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uc_set_logging(uc, 0x7FFFFFFF, 0, chan_stuff[chan].tag);
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uc_call_control(uc, UC_OP_UNBLOCK, 0, (void *) -1);
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for (;;)
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{
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FD_ZERO(&rfds);
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FD_ZERO(&wfds);
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FD_ZERO(&efds);
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FD_SET(dfd, &rfds);
|
|
FD_SET(dfd, &wfds);
|
|
FD_SET(dfd, &efds);
|
|
|
|
if ((next = uc_schedule_next(uc)))
|
|
{
|
|
gettimeofday(&tv, NULL);
|
|
tv.tv_sec = next->tv_sec - tv.tv_sec;
|
|
tv.tv_usec = next->tv_usec - tv.tv_usec;
|
|
if (tv.tv_usec < 0)
|
|
{
|
|
tv.tv_usec += 1000000;
|
|
tv.tv_sec -= 1;
|
|
}
|
|
/*endif*/
|
|
if (tv.tv_sec < 0)
|
|
{
|
|
tv.tv_sec = 0;
|
|
tv.tv_usec = 0;
|
|
}
|
|
/*endif*/
|
|
}
|
|
/*endif*/
|
|
res = select(dfd + 1, &rfds, NULL, &efds, next ? &tv : NULL);
|
|
e = NULL;
|
|
if (res == 0)
|
|
{
|
|
uc_schedule_run(uc);
|
|
}
|
|
else if (res > 0)
|
|
{
|
|
e = uc_check_event(uc);
|
|
}
|
|
else if (errno != EINTR)
|
|
{
|
|
fprintf(stderr, "Error (%d) on select: %s\n", errno, strerror(errno));
|
|
}
|
|
/*endif*/
|
|
|
|
if (e)
|
|
{
|
|
printf("Non-callback signaling event\n");
|
|
handle_uc_event(uc, (void *) chan, e);
|
|
}
|
|
/*endif*/
|
|
}
|
|
/*endfor*/
|
|
return NULL;
|
|
}
|
|
/*- End of function --------------------------------------------------------*/
|
|
|
|
int main(int argc, char *argv[])
|
|
{
|
|
pthread_attr_t attr;
|
|
struct zt_bufferinfo b;
|
|
struct zt_gains g;
|
|
int chan;
|
|
int chanx;
|
|
char dev_name[20];
|
|
AFfilesetup filesetup;
|
|
int j;
|
|
|
|
filesetup = afNewFileSetup();
|
|
if (filesetup == AF_NULL_FILESETUP)
|
|
{
|
|
fprintf(stderr, " Failed to create file setup\n");
|
|
exit(2);
|
|
}
|
|
afInitSampleFormat(filesetup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
|
|
afInitRate(filesetup, AF_DEFAULT_TRACK, (float) SAMPLE_RATE);
|
|
afInitFileFormat(filesetup, AF_FILE_WAVE);
|
|
afInitChannels(filesetup, AF_DEFAULT_TRACK, 1);
|
|
rxhandle = afOpenFile("rxfax.wav", "w", filesetup);
|
|
if (rxhandle == NULL)
|
|
{
|
|
fprintf(stderr, " Failed to open fax audio file\n");
|
|
exit(2);
|
|
}
|
|
txhandle = afOpenFile("txfax.wav", "w", filesetup);
|
|
if (txhandle == NULL)
|
|
{
|
|
fprintf(stderr, " Failed to open fax audio file\n");
|
|
exit(2);
|
|
}
|
|
|
|
if (argc < 1)
|
|
{
|
|
fprintf(stderr, "Usage: testcall [call]\n");
|
|
exit(1);
|
|
}
|
|
/*endif*/
|
|
uc_start();
|
|
pthread_attr_init(&attr);
|
|
pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED);
|
|
pthread_mutex_init(&mutex, NULL);
|
|
for (chan = 0; chan < 5/*30*/; chan++)
|
|
{
|
|
chan_stuff[chan].sig_fd = open("/dev/zap/channel", O_RDWR | O_NONBLOCK);
|
|
if (chan_stuff[chan].sig_fd < 0)
|
|
{
|
|
fprintf(stderr, "Failed to open channel: %s\n", strerror(errno));
|
|
exit(1);
|
|
}
|
|
/*endif*/
|
|
chan_stuff[chan].fd = chan_stuff[chan].sig_fd;
|
|
|
|
/* Allow for the missing channel at TS16 */
|
|
chanx = chan + 1 + (chan + 15)%30;
|
|
chanx = chan + 125;
|
|
if (ioctl(chan_stuff[chan].fd, ZT_SPECIFY, &chanx))
|
|
{
|
|
fprintf(stderr, "Failed to specify channel %d: %s\n", chanx, strerror(errno));
|
|
exit(1);
|
|
}
|
|
/*endif*/
|
|
if (ioctl(chan_stuff[chan].fd, ZT_GET_BUFINFO, &b))
|
|
{
|
|
fprintf(stderr, "Unable to get buffer info on channel %d: %s\n", chanx, strerror(errno));
|
|
exit(1);
|
|
}
|
|
/*endif*/
|
|
printf ("%d %d %d %d %d %d\n",
|
|
b.rxbufpolicy,
|
|
b.txbufpolicy,
|
|
b.numbufs,
|
|
b.bufsize,
|
|
b.readbufs,
|
|
b.writebufs);
|
|
b.rxbufpolicy = ZT_POLICY_IMMEDIATE;
|
|
b.txbufpolicy = ZT_POLICY_IMMEDIATE;
|
|
b.numbufs = 4;
|
|
b.bufsize = 160;
|
|
if (ioctl(chan_stuff[chan].fd, ZT_SET_BUFINFO, &b))
|
|
{
|
|
fprintf(stderr, "Unable to set buffer info on channel %d: %s\n", chanx, strerror(errno));
|
|
exit(1);
|
|
}
|
|
/*endif*/
|
|
if (ioctl(chan_stuff[chan].fd, ZT_GET_BUFINFO, &b))
|
|
{
|
|
fprintf(stderr, "Unable to get buffer info on channel %d: %s\n", chanx, strerror(errno));
|
|
exit(1);
|
|
}
|
|
/*endif*/
|
|
for (j = 0; j < 256; j++)
|
|
{
|
|
g.rxgain[j] = j;
|
|
g.txgain[j] = j;
|
|
}
|
|
/*endif*/
|
|
ioctl(chan_stuff[chan].fd, ZT_SETGAINS, &g);
|
|
printf("%d %d %d %d %d %d\n",
|
|
b.rxbufpolicy,
|
|
b.txbufpolicy,
|
|
b.numbufs,
|
|
b.bufsize,
|
|
b.readbufs,
|
|
b.writebufs);
|
|
|
|
if (argc > 1)
|
|
caller_mode = TRUE;
|
|
/*endif*/
|
|
chan_stuff[chan].chan = chan;
|
|
sprintf(dev_name, "Chan %2d:", chanx);
|
|
chan_stuff[chan].tag = strdup(dev_name);
|
|
sprintf(chan_stuff[chan].originating_number, "%d", 987654321 + chan);
|
|
sprintf(chan_stuff[chan].destination_number, "%d", 1234 + chan);
|
|
printf("Thread for channel %d\n", chan);
|
|
if (pthread_create(&chan_stuff[chan].thread, &attr, run_uc, &chan_stuff[chan].chan))
|
|
exit(2);
|
|
/*endif*/
|
|
}
|
|
/*endfor*/
|
|
for (;;)
|
|
{
|
|
sleep(5);
|
|
printf("Main thread\n");
|
|
}
|
|
/*endfor*/
|
|
|
|
return 0;
|
|
}
|
|
/*- End of function --------------------------------------------------------*/
|
|
#else
|
|
int main(int argc, char *argv[])
|
|
{
|
|
printf("This program was not built with Unicall available\n");
|
|
}
|
|
/*- End of function --------------------------------------------------------*/
|
|
#endif
|
|
/*- End of file ------------------------------------------------------------*/
|