wanpipe/ssmg/sangoma_mgd.trunk/call_signal.h

111 lines
3.0 KiB
C

/*****************************************************************************
* call_signal.h -- Signal Specifics
*
* Author(s): Anthony Minessale II <anthmct@yahoo.com>
* Nenad Corbic <ncorbic@sangoma.com>
*
* Copyright: (c) 05-07 Nenad Corbic
* Anthony Minessale II
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version
* 2 of the License, or (at your option) any later version.
* ============================================================================
*/
#ifndef _CALL_SIGNAL_H
#define _CALL_SIGNAL_H
#include <ctype.h>
#include <string.h>
#include <unistd.h>
#include <stdlib.h>
#include <errno.h>
#include <stdarg.h>
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/sctp.h>
#include <arpa/inet.h>
#include <stdarg.h>
#include <netdb.h>
#include <sigboost.h>
#include <pthread.h>
#include <sys/time.h>
#define call_signal_test_flag(p,flag) ({ \
((p)->flags & (flag)); \
})
#define call_signal_set_flag(p,flag) do { \
((p)->flags |= (flag)); \
} while (0)
#define call_signal_clear_flag(p,flag) do { \
((p)->flags &= ~(flag)); \
} while (0)
#define call_signal_copy_flags(dest,src,flagz) do { \
(dest)->flags &= ~(flagz); \
(dest)->flags |= ((src)->flags & (flagz)); \
} while (0)
typedef t_sigboost call_signal_event_t;
typedef uint32_t call_signal_event_id_t;
typedef struct smg_ip_cfg
{
char local_ip[25];
int local_port;
char remote_ip[25];
int remote_port;
}smg_ip_cfg_t;
struct call_signal_connection {
int socket;
struct sockaddr_in local_addr;
struct sockaddr_in remote_addr;
call_signal_event_t event;
struct hostent remote_hp;
struct hostent local_hp;
unsigned int flags;
pthread_mutex_t lock;
FILE *log;
unsigned int txseq;
unsigned int rxseq;
unsigned int txwindow;
unsigned int rxseq_reset;
smg_ip_cfg_t cfg;
};
typedef enum {
MSU_FLAG_EVENT = (1 << 0)
} call_signal_flag_t;
typedef struct call_signal_connection call_signal_connection_t;
/* disable nagle's algorythm */
static inline void sctp_no_nagle(int socket)
{
int flag = 1;
setsockopt(socket, IPPROTO_SCTP, SCTP_NODELAY, (char *) &flag, sizeof(int));
}
int call_signal_connection_close(call_signal_connection_t *mcon);
int call_signal_connection_open(call_signal_connection_t *mcon, char *local_ip, int local_port, char *ip, int port);
call_signal_event_t *call_signal_connection_read(call_signal_connection_t *mcon, int iteration);
call_signal_event_t *call_signal_connection_readp(call_signal_connection_t *mcon, int iteration);
int call_signal_connection_write(call_signal_connection_t *mcon, call_signal_event_t *event);
void call_signal_event_init(call_signal_event_t *event, call_signal_event_id_t event_id, int chan, int span);
void call_signal_call_init(call_signal_event_t *event, char *calling, char *called, int setup_id);
char *call_signal_event_id_name(uint32_t event_id);
#endif