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/* $Id: sipstateless.c 3553 2011-05-05 06:14:19Z nanang $ */
/*
* Copyright (C) 2008-2011 Teluu Inc. (http://www.teluu.com)
* Copyright (C) 2003-2008 Benny Prijono <benny@prijono.org>
*
* 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.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/**
* sipcore.c
*
* A simple program to respond any incoming requests (except ACK, of course!)
* with any status code (taken from command line argument, with the default
* is 501/Not Implemented).
*/
/* Include all headers. */
#include <pjsip.h>
#include <pjlib-util.h>
#include <pjlib.h>
/* If this macro is set, UDP transport will be initialized at port 5060 */
#define HAS_UDP_TRANSPORT
/* If this macro is set, TCP transport will be initialized at port 5060 */
#define HAS_TCP_TRANSPORT (1 && PJ_HAS_TCP)
/* Log identification */
#define THIS_FILE "sipstateless.c"
/* Global SIP endpoint */
static pjsip_endpoint *sip_endpt;
/* What response code to be sent (default is 501/Not Implemented) */
static int code = PJSIP_SC_NOT_IMPLEMENTED;
/* Additional header list */
struct pjsip_hdr hdr_list;
/* usage() */
static void usage(void)
{
puts("Usage:");
puts(" sipstateless [code] [-H HDR] ..");
puts("");
puts("Options:");
puts(" code SIP status code to send (default: 501/Not Implemented");
puts(" -H HDR Specify additional headers to send with response");
puts(" This option may be specified more than once.");
puts(" Example:");
puts(" -H 'Expires: 300' -H 'Contact: <sip:localhost>'");
}
/* Callback to handle incoming requests. */
static pj_bool_t on_rx_request( pjsip_rx_data *rdata )
{
/* Respond (statelessly) all incoming requests (except ACK!)
* with 501 (Not Implemented)
*/
if (rdata->msg_info.msg->line.req.method.id != PJSIP_ACK_METHOD) {
pjsip_endpt_respond_stateless( sip_endpt, rdata,
code, NULL,
&hdr_list, NULL);
}
return PJ_TRUE;
}
/*
* main()
*
*/
int main(int argc, char *argv[])
{
pj_caching_pool cp;
pj_pool_t *pool = NULL;
pjsip_module mod_app =
{
NULL, NULL, /* prev, next. */
{ "mod-app", 7 }, /* Name. */
-1, /* Id */
PJSIP_MOD_PRIORITY_APPLICATION, /* Priority */
NULL, /* load() */
NULL, /* start() */
NULL, /* stop() */
NULL, /* unload() */
&on_rx_request, /* on_rx_request() */
NULL, /* on_rx_response() */
NULL, /* on_tx_request. */
NULL, /* on_tx_response() */
NULL, /* on_tsx_state() */
};
int c;
pj_status_t status;
/* Must init PJLIB first: */
status = pj_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Then init PJLIB-UTIL: */
status = pjlib_util_init();
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Must create a pool factory before we can allocate any memory. */
pj_caching_pool_init(&cp, &pj_pool_factory_default_policy, 0);
/* Create global endpoint: */
{
/* Endpoint MUST be assigned a globally unique name.
* Ideally we should put hostname or public IP address, but
* we'll just use an arbitrary name here.
*/
/* Create the endpoint: */
status = pjsip_endpt_create(&cp.factory, "sipstateless",
&sip_endpt);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
}
/* Parse arguments */
pj_optind = 0;
pj_list_init(&hdr_list);
while ((c=pj_getopt(argc, argv , "H:")) != -1) {
switch (c) {
case 'H':
if (pool == NULL) {
pool = pj_pool_create(&cp.factory, "sipstateless", 1000,
1000, NULL);
}
if (pool) {
char *name;
name = strtok(pj_optarg, ":");
if (name == NULL) {
puts("Error: invalid header format");
return 1;
} else {
char *val = strtok(NULL, "\r\n");
pjsip_generic_string_hdr *h;
pj_str_t hname, hvalue;
hname = pj_str(name);
hvalue = pj_str(val);
h = pjsip_generic_string_hdr_create(pool, &hname, &hvalue);
pj_list_push_back(&hdr_list, h);
PJ_LOG(4,(THIS_FILE, "Header %s: %s added", name, val));
}
}
break;
default:
puts("Error: invalid argument");
usage();
return 1;
}
}
if (pj_optind != argc) {
code = atoi(argv[pj_optind]);
if (code < 200 || code > 699) {
puts("Error: invalid status code");
usage();
return 1;
}
}
PJ_LOG(4,(THIS_FILE, "Returning %d to incoming requests", code));
/*
* Add UDP transport, with hard-coded port
*/
#ifdef HAS_UDP_TRANSPORT
{
pj_sockaddr_in addr;
addr.sin_family = pj_AF_INET();
addr.sin_addr.s_addr = 0;
addr.sin_port = pj_htons(5060);
status = pjsip_udp_transport_start( sip_endpt, &addr, NULL, 1, NULL);
if (status != PJ_SUCCESS) {
PJ_LOG(3,(THIS_FILE,
"Error starting UDP transport (port in use?)"));
return 1;
}
}
#endif
#if HAS_TCP_TRANSPORT
/*
* Add UDP transport, with hard-coded port
*/
{
pj_sockaddr_in addr;
addr.sin_family = pj_AF_INET();
addr.sin_addr.s_addr = 0;
addr.sin_port = pj_htons(5060);
status = pjsip_tcp_transport_start(sip_endpt, &addr, 1, NULL);
if (status != PJ_SUCCESS) {
PJ_LOG(3,(THIS_FILE,
"Error starting TCP transport (port in use?)"));
return 1;
}
}
#endif
/*
* Register our module to receive incoming requests.
*/
status = pjsip_endpt_register_module( sip_endpt, &mod_app);
PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
/* Done. Loop forever to handle incoming events. */
PJ_LOG(3,(THIS_FILE, "Press Ctrl-C to quit.."));
for (;;) {
pjsip_endpt_handle_events(sip_endpt, NULL);
}
}
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