freeswitch/src/mod/applications/mod_spandsp/mod_spandsp_modem.h

174 lines
4.1 KiB
C

/*
* FreeSWITCH Modular Media Switching Software Library / Soft-Switch Application
* Copyright (C) 2005-2014, Anthony Minessale II <anthm@freeswitch.org>
*
* Version: MPL 1.1
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is FreeSWITCH mod_fax.
*
* The Initial Developer of the Original Code is
* Massimo Cetra <devel@navynet.it>
*
* Portions created by the Initial Developer are Copyright (C)
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
*
* Brian West <brian@freeswitch.org>
* Anthony Minessale II <anthm@freeswitch.org>
* Steve Underwood <steveu@coppice.org>
* mod_spandsp_modem.h -- Fax modem applications provided by SpanDSP
*
*/
#ifndef WIN32
#undef HAVE_STDLIB_H
#include "switch_private.h"
#endif
#if !defined(__OpenBSD__) && !defined(__DragonFly__) && (defined(HAVE_OPENPTY) || defined(HAVE_DEV_PTMX) || defined(HAVE_POSIX_OPENPT) || WIN32)
#define MODEM_SUPPORT 1
#if !defined(HAVE_POSIX_OPENPT) && !defined(HAVE_DEV_PTMX) && !defined(WIN32)
#define USE_OPENPTY 1
#endif
#ifndef _MOD_SPANDSP_MODEM_H
#define _MOD_SPANDSP_MODEM_H
#include <stdio.h>
#include <string.h>
#ifndef WIN32
#ifdef __APPLE__
#include <util.h>
#include <sys/ioctl.h>
#elif defined(__FreeBSD__)
#include <libutil.h>
#include <termios.h>
#elif defined(__SunOS)
#include <termios.h>
#elif defined(__OpenBSD__)
#else
#include <pty.h>
#endif
#include <unistd.h>
#endif
#include <fcntl.h>
#include <errno.h>
#ifndef WIN32
#if defined(HAVE_BYTESWAP_H)
#include <byteswap.h>
#elif defined(USE_SYS_ENDIAN_H)
#include <sys/endian.h>
#elif defined (__APPLE__)
#include <libkern/OSByteOrder.h>
#define bswap_16 OSSwapInt16
#define bswap_32 OSSwapInt32
#define bswap_64 OSSwapInt64
#elif defined (__UCLIBC__)
#else
#define bswap_16(value) \
((((value) & 0xff) << 8) | ((value) >> 8))
#define bswap_32(value) \
(((uint32_t)bswap_16((uint16_t)((value) & 0xffff)) << 16) | \
(uint32_t)bswap_16((uint16_t)((value) >> 16)))
#define bswap_64(value) \
(((uint64_t)bswap_32((uint32_t)((value) & 0xffffffff)) \
<< 32) | \
(uint64_t)bswap_32((uint32_t)((value) >> 32)))
#endif
#include <sys/time.h>
#include <sys/signal.h>
#endif
#include <sys/types.h>
#include <sys/stat.h>
#ifndef WIN32
#include <stdint.h>
#endif
#include <tiffio.h>
#include <spandsp.h>
typedef enum {
MODEM_STATE_INIT,
MODEM_STATE_ONHOOK,
MODEM_STATE_OFFHOOK,
MODEM_STATE_ACQUIRED,
MODEM_STATE_RINGING,
MODEM_STATE_ANSWERED,
MODEM_STATE_DIALING,
MODEM_STATE_CONNECTED,
MODEM_STATE_HANGUP,
MODEM_STATE_LAST
} modem_state_t;
struct modem;
typedef int (*modem_control_handler_t)(struct modem *, const char *, int);
typedef enum {
MODEM_FLAG_RUNNING = ( 1 << 0),
MODEM_FLAG_XOFF = ( 1 << 1)
} modem_flags;
struct modem {
t31_state_t *t31_state;
t38_core_state_t *t38_core;
char digits[512];
modem_flags flags;
#ifndef WIN32
int master;
#else
HANDLE master;
HANDLE threadAbort;
#endif
int slave;
char *stty;
char devlink[128];
int id;
modem_state_t state;
modem_control_handler_t control_handler;
void *user_data;
switch_mutex_t *mutex;
char uuid_str[SWITCH_UUID_FORMATTED_LENGTH + 1];
switch_time_t last_event;
int slot;
switch_thread_cond_t *cond;
switch_mutex_t *cond_mutex;
};
typedef struct modem modem_t;
char *modem_state2name(int state);
int modem_close(struct modem *fm);
switch_status_t modem_init(struct modem *fm, modem_control_handler_t control_handler);
#endif //MODEM_SUPPORT
switch_status_t modem_global_init(switch_loadable_module_interface_t **module_interface, switch_memory_pool_t *pool);
void modem_global_shutdown(void);
#endif //_MOD_SPANDSP_MODEM_H
/* For Emacs:
* Local Variables:
* mode:c
* indent-tabs-mode:nil
* tab-width:4
* c-basic-offset:4
* End:
* For VIM:
* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
*/