2011-12-06 17:51:27 -06:00
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/*
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* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
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* Copyright (C) 2005-2011, Anthony Minessale II <anthm@freeswitch.org>
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*
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* Version: MPL 1.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is FreeSWITCH mod_fax.
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*
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* The Initial Developer of the Original Code is
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* Massimo Cetra <devel@navynet.it>
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*
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* Portions created by the Initial Developer are Copyright (C)
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* the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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*
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* Brian West <brian@freeswitch.org>
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* Anthony Minessale II <anthm@freeswitch.org>
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* Steve Underwood <steveu@coppice.org>
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* mod_spandsp_modem.h -- Fax modem applications provided by SpanDSP
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*
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*/
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2011-12-06 21:53:45 -06:00
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#include "switch_private.h"
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2011-12-07 05:15:39 -06:00
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#if defined(HAVE_OPENPTY) || defined(HAVE_DEV_PTMX) || defined(HAVE_POSIX_OPENPT)
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2011-12-06 17:51:27 -06:00
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#define MODEM_SUPPORT 1
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#if !defined(HAVE_POSIX_OPENPT) && !defined(HAVE_DEV_PTMX)
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#define USE_OPENPTY 1
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#endif
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#ifndef _MOD_SPANDSP_MODEM_H
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#define _MOD_SPANDSP_MODEM_H
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#include <stdio.h>
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#include <string.h>
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#include <pty.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <errno.h>
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#include <byteswap.h>
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#include <sys/time.h>
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#include <sys/signal.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdint.h>
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#include <tiffio.h>
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#include <spandsp.h>
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typedef enum {
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MODEM_STATE_INIT,
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MODEM_STATE_ONHOOK,
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MODEM_STATE_OFFHOOK,
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MODEM_STATE_ACQUIRED,
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MODEM_STATE_RINGING,
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MODEM_STATE_ANSWERED,
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MODEM_STATE_DIALING,
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MODEM_STATE_CONNECTED,
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MODEM_STATE_HANGUP,
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MODEM_STATE_LAST
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} modem_state_t;
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struct modem;
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typedef int (*modem_control_handler_t)(struct modem *, const char *, int);
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typedef enum {
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MODEM_FLAG_RUNNING = ( 1 << 0),
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MODEM_FLAG_XOFF = ( 1 << 1)
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} modem_flags;
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struct modem {
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t31_state_t *t31_state;
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char digits[512];
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modem_flags flags;
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int master;
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int slave;
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char *stty;
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char devlink[128];
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int id;
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modem_state_t state;
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modem_control_handler_t control_handler;
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void *user_data;
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switch_mutex_t *mutex;
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char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
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switch_time_t last_event;
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int slot;
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};
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typedef struct modem modem_t;
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char *modem_state2name(int state);
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int modem_close(struct modem *fm);
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int modem_init(struct modem *fm, modem_control_handler_t control_handler);
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#endif //MODEM_SUPPORT
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switch_status_t modem_global_init(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool);
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void modem_global_shutdown(void);
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#endif //_MOD_SPANDSP_MODEM_H
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