Rearrange transaction statefull stuffs in SIP so that it will not be linked when transaction is disabled

git-svn-id: http://svn.pjsip.org/repos/pjproject/trunk@448 74dad513-b988-da41-8d7b-12977e46ad98

1 files changed, 157 insertions, 0 deletions

diff --git a/pjsip-apps/src/samples/sipstateless.c b/pjsip-apps/src/samples/sipstateless.c
new file mode 100644
index 00000000..c3cfe071
--- /dev/null
+++ b/pjsip-apps/src/samples/sipstateless.c
@@ -0,0 +1,157 @@
+/* $Id$ */
+/* 
+ * Copyright (C) 2003-2006 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
+ *
+ * This program is only used to measure the footprint of the SIP core.
+ * When UDP transport is included (with HAS_UDP_TRANSPORT macro), the
+ * executable will respond any incoming requests with 501 (Not Implemented)
+ * response statelessly.
+ */
+
+
+/* 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
+
+
+/* Log identification */
+#define THIS_FILE	"sipstateless.c"
+
+
+/* Global SIP endpoint */
+static pjsip_endpoint *sip_endpt;
+
+
+/* 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, 
+				       PJSIP_SC_NOT_IMPLEMENTED, NULL,
+				       NULL, NULL);
+    }
+    return PJ_TRUE;
+}
+
+
+
+/*
+ * main()
+ *
+ */
+int main()
+{
+    pj_caching_pool cp;
+    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()		*/
+    };
+
+
+    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: */
+    {
+	const pj_str_t *hostname;
+	const char *endpt_name;
+
+	/* Endpoint MUST be assigned a globally unique name.
+	 * The name will be used as the hostname in Warning header.
+	 */
+
+	/* For this implementation, we'll use hostname for simplicity */
+	hostname = pj_gethostname();
+	endpt_name = hostname->ptr;
+
+	/* Create the endpoint: */
+
+	status = pjsip_endpt_create(&cp.factory, endpt_name, 
+				    &sip_endpt);
+	PJ_ASSERT_RETURN(status == PJ_SUCCESS, 1);
+    }
+
+    /* 
+     * 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
+
+    /*
+     * 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);
+    }
+}