165 lines
4.9 KiB
C
165 lines
4.9 KiB
C
/*
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* m3ua_client.h
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* openzap
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*
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* Created by Shane Burrell on 4/3/08.
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* Copyright 2008 Shane Burrell. All rights reserved.
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*
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* Copyright (c) 2007-2014, Anthony Minessale II, Nenad Corbic
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* * Neither the name of the original author; nor the names of any contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER
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* OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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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// Fix this for portability
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#include <sctp.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 <sys/time.h>
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#define MAX_DIALED_DIGITS 31
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#define MAX_CALLING_NAME 31
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/* Next two defines are used to create the range of values for call_setup_id
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* in the t_sigboost structure.
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* 0..((CORE_MAX_SPANS * CORE_MAX_CHAN_PER_SPAN) - 1) */
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#define CORE_MAX_SPANS 200
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#define CORE_MAX_CHAN_PER_SPAN 30
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#define MAX_PENDING_CALLS CORE_MAX_SPANS * CORE_MAX_CHAN_PER_SPAN
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/* 0..(MAX_PENDING_CALLS-1) is range of call_setup_id below */
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#define SIZE_RDNIS 80
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//#undef MSGWINDOW
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#define MSGWINDOW
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typedef struct
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{
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uint32_t event_id;
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uint32_t fseqno;
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#ifdef MSGWINDOW
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uint32_t bseqno;
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#endif
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uint16_t call_setup_id;
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uint32_t trunk_group;
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uint32_t span;
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uint32_t chan;
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uint8_t called_number_digits_count;
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char called_number_digits [MAX_DIALED_DIGITS + 1]; /* it's a null terminated string */
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uint8_t calling_number_digits_count; /* it's an array */
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char calling_number_digits [MAX_DIALED_DIGITS + 1]; /* it's a null terminated string */
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uint8_t release_cause;
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struct timeval tv;
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/* ref. Q.931 Table 4-11 and Q.951 Section 3 */
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uint8_t calling_number_screening_ind;
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uint8_t calling_number_presentation;
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char redirection_string [SIZE_RDNIS]; /* it's a null terminated string */
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} t_m3ua;
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typedef t_m3ua m3uac_event_t;
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typedef uint32_t m3uac_event_id_t;
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typedef struct m3uac_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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}m3uac_ip_cfg_t;
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struct m3uac_connection {
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zap_socket_t socket;
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struct sockaddr_in local_addr;
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struct sockaddr_in remote_addr;
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m3uac_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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zap_mutex_t *mutex;
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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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m3uac_ip_cfg_t cfg;
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uint32_t hb_elapsed;
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int up;
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};
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typedef enum {
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MSU_FLAG_EVENT = (1 << 0)
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} m3uac_flag_t;
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typedef struct m3uac_connection m3uac_connection_t;
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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 m3uac_connection_close(m3uac_connection_t *mcon);
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int m3uac_connection_open(m3uac_connection_t *mcon, char *local_ip, int local_port, char *ip, int port);
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m3uac_event_t *m3uac_connection_read(m3uac_connection_t *mcon, int iteration);
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m3uac_event_t *m3uac_connection_readp(m3uac_connection_t *mcon, int iteration);
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int m3uac_connection_write(m3uac_connection_t *mcon, m3uac_event_t *event);
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void m3uac_event_init(m3uac_event_t *event, m3uac_event_id_t event_id, int chan, int span);
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void m3uac_call_init(m3uac_event_t *event, const char *calling, const char *called, int setup_id);
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const char *m3uac_event_id_name(uint32_t event_id);
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int m3uac_exec_command(m3uac_connection_t *mcon, int span, int chan, int id, int cmd, int cause);
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/* For Emacs:
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* Local Variables:
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* mode:c
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* indent-tabs-mode:t
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* tab-width:4
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* c-basic-offset:4
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* End:
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* For VIM:
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* vim:set softtabstop=4 shiftwidth=4 tabstop=4 noet:
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*/
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