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