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-rw-r--r--pjsip/src/test/transport_test.c760
1 files changed, 760 insertions, 0 deletions
diff --git a/pjsip/src/test/transport_test.c b/pjsip/src/test/transport_test.c
new file mode 100644
index 00000000..9f19b68f
--- /dev/null
+++ b/pjsip/src/test/transport_test.c
@@ -0,0 +1,760 @@
+/* $Id$ */
+/*
+ * Copyright (C) 2008-2009 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
+ */
+
+#include "test.h"
+#include <pjsip.h>
+#include <pjlib.h>
+
+#define THIS_FILE "transport_test.c"
+
+///////////////////////////////////////////////////////////////////////////////
+/*
+ * Generic testing for transport, to make sure that basic
+ * attributes have been initialized properly.
+ */
+int generic_transport_test(pjsip_transport *tp)
+{
+ PJ_LOG(3,(THIS_FILE, " structure test..."));
+
+ /* Check that local address name is valid. */
+ {
+ struct pj_in_addr addr;
+
+ /* Note: inet_aton() returns non-zero if addr is valid! */
+ if (pj_inet_aton(&tp->local_name.host, &addr) != 0) {
+ if (addr.s_addr==PJ_INADDR_ANY || addr.s_addr==PJ_INADDR_NONE) {
+ PJ_LOG(3,(THIS_FILE, " Error: invalid address name"));
+ return -420;
+ }
+ } else {
+ /* It's okay. local_name.host may be a hostname instead of
+ * IP address.
+ */
+ }
+ }
+
+ /* Check that port is valid. */
+ if (tp->local_name.port <= 0) {
+ return -430;
+ }
+
+ /* Check length of address (for now we only check against sockaddr_in). */
+ if (tp->addr_len != sizeof(pj_sockaddr_in))
+ return -440;
+
+ /* Check type. */
+ if (tp->key.type == PJSIP_TRANSPORT_UNSPECIFIED)
+ return -450;
+
+ /* That's it. */
+ return PJ_SUCCESS;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+/*
+ * Send/receive test.
+ *
+ * This test sends a request to loopback address; as soon as request is
+ * received, response will be sent, and time is recorded.
+ *
+ * The main purpose is to test that the basic transport functionalities works,
+ * before we continue with more complicated tests.
+ */
+#define FROM_HDR "Bob <sip:bob@example.com>"
+#define CONTACT_HDR "Bob <sip:bob@127.0.0.1>"
+#define CALL_ID_HDR "SendRecv-Test"
+#define CSEQ_VALUE 100
+#define BODY "Hello World!"
+
+static pj_bool_t my_on_rx_request(pjsip_rx_data *rdata);
+static pj_bool_t my_on_rx_response(pjsip_rx_data *rdata);
+
+/* Flag to indicate message has been received
+ * (or failed to send)
+ */
+#define NO_STATUS -2
+static int send_status = NO_STATUS;
+static int recv_status = NO_STATUS;
+static pj_timestamp my_send_time, my_recv_time;
+
+/* Module to receive messages for this test. */
+static pjsip_module my_module =
+{
+ NULL, NULL, /* prev and next */
+ { "Transport-Test", 14}, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_TSX_LAYER-1, /* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &my_on_rx_request, /* on_rx_request() */
+ &my_on_rx_response, /* on_rx_response() */
+ NULL, /* on_tsx_state() */
+};
+
+
+static pj_bool_t my_on_rx_request(pjsip_rx_data *rdata)
+{
+ /* Check that this is our request. */
+ if (pj_strcmp2(&rdata->msg_info.cid->id, CALL_ID_HDR) == 0) {
+ /* It is! */
+ /* Send response. */
+ pjsip_tx_data *tdata;
+ pjsip_response_addr res_addr;
+ pj_status_t status;
+
+ status = pjsip_endpt_create_response( endpt, rdata, 200, NULL, &tdata);
+ if (status != PJ_SUCCESS) {
+ recv_status = status;
+ return PJ_TRUE;
+ }
+ status = pjsip_get_response_addr( tdata->pool, rdata, &res_addr);
+ if (status != PJ_SUCCESS) {
+ recv_status = status;
+ pjsip_tx_data_dec_ref(tdata);
+ return PJ_TRUE;
+ }
+ status = pjsip_endpt_send_response( endpt, &res_addr, tdata, NULL, NULL);
+ if (status != PJ_SUCCESS) {
+ recv_status = status;
+ pjsip_tx_data_dec_ref(tdata);
+ return PJ_TRUE;
+ }
+ return PJ_TRUE;
+ }
+
+ /* Not ours. */
+ return PJ_FALSE;
+}
+
+static pj_bool_t my_on_rx_response(pjsip_rx_data *rdata)
+{
+ if (pj_strcmp2(&rdata->msg_info.cid->id, CALL_ID_HDR) == 0) {
+ pj_get_timestamp(&my_recv_time);
+ recv_status = PJ_SUCCESS;
+ return PJ_TRUE;
+ }
+ return PJ_FALSE;
+}
+
+/* Transport callback. */
+static void send_msg_callback(pjsip_send_state *stateless_data,
+ pj_ssize_t sent, pj_bool_t *cont)
+{
+ if (sent < 1) {
+ /* Obtain the error code. */
+ send_status = -sent;
+ } else {
+ send_status = PJ_SUCCESS;
+ }
+
+ /* Don't want to continue. */
+ *cont = PJ_FALSE;
+}
+
+
+/* Test that we receive loopback message. */
+int transport_send_recv_test( pjsip_transport_type_e tp_type,
+ pjsip_transport *ref_tp,
+ char *target_url,
+ int *p_usec_rtt)
+{
+ pj_bool_t msg_log_enabled;
+ pj_status_t status;
+ pj_str_t target, from, to, contact, call_id, body;
+ pjsip_method method;
+ pjsip_tx_data *tdata;
+ pj_time_val timeout;
+
+ PJ_LOG(3,(THIS_FILE, " single message round-trip test..."));
+
+ /* Register out test module to receive the message (if necessary). */
+ if (my_module.id == -1) {
+ status = pjsip_endpt_register_module( endpt, &my_module );
+ if (status != PJ_SUCCESS) {
+ app_perror(" error: unable to register module", status);
+ return -500;
+ }
+ }
+
+ /* Disable message logging. */
+ msg_log_enabled = msg_logger_set_enabled(0);
+
+ /* Create a request message. */
+ target = pj_str(target_url);
+ from = pj_str(FROM_HDR);
+ to = pj_str(target_url);
+ contact = pj_str(CONTACT_HDR);
+ call_id = pj_str(CALL_ID_HDR);
+ body = pj_str(BODY);
+
+ pjsip_method_set(&method, PJSIP_OPTIONS_METHOD);
+ status = pjsip_endpt_create_request( endpt, &method, &target, &from, &to,
+ &contact, &call_id, CSEQ_VALUE,
+ &body, &tdata );
+ if (status != PJ_SUCCESS) {
+ app_perror(" error: unable to create request", status);
+ return -510;
+ }
+
+ /* Reset statuses */
+ send_status = recv_status = NO_STATUS;
+
+ /* Start time. */
+ pj_get_timestamp(&my_send_time);
+
+ /* Send the message (statelessly). */
+ PJ_LOG(5,(THIS_FILE, "Sending request to %.*s",
+ (int)target.slen, target.ptr));
+ status = pjsip_endpt_send_request_stateless( endpt, tdata, NULL,
+ &send_msg_callback);
+ if (status != PJ_SUCCESS) {
+ /* Immediate error! */
+ pjsip_tx_data_dec_ref(tdata);
+ send_status = status;
+ }
+
+ /* Set the timeout (2 seconds from now) */
+ pj_gettimeofday(&timeout);
+ timeout.sec += 2;
+
+ /* Loop handling events until we get status */
+ do {
+ pj_time_val now;
+ pj_time_val poll_interval = { 0, 10 };
+
+ pj_gettimeofday(&now);
+ if (PJ_TIME_VAL_GTE(now, timeout)) {
+ PJ_LOG(3,(THIS_FILE, " error: timeout in send/recv test"));
+ status = -540;
+ goto on_return;
+ }
+
+ if (send_status!=NO_STATUS && send_status!=PJ_SUCCESS) {
+ app_perror(" error sending message", send_status);
+ status = -550;
+ goto on_return;
+ }
+
+ if (recv_status!=NO_STATUS && recv_status!=PJ_SUCCESS) {
+ app_perror(" error receiving message", recv_status);
+ status = -560;
+ goto on_return;
+ }
+
+ if (send_status!=NO_STATUS && recv_status!=NO_STATUS) {
+ /* Success! */
+ break;
+ }
+
+ pjsip_endpt_handle_events(endpt, &poll_interval);
+
+ } while (1);
+
+ if (status == PJ_SUCCESS) {
+ unsigned usec_rt;
+ usec_rt = pj_elapsed_usec(&my_send_time, &my_recv_time);
+
+ PJ_LOG(3,(THIS_FILE, " round-trip = %d usec", usec_rt));
+
+ *p_usec_rtt = usec_rt;
+ }
+
+ /* Restore message logging. */
+ msg_logger_set_enabled(msg_log_enabled);
+
+ status = PJ_SUCCESS;
+
+on_return:
+ return status;
+}
+
+
+///////////////////////////////////////////////////////////////////////////////
+/*
+ * Multithreaded round-trip test
+ *
+ * This test will spawn multiple threads, each of them send a request. As soon
+ * as request is received, response will be sent, and time is recorded.
+ *
+ * The main purpose of this test is to ensure there's no crash when multiple
+ * threads are sending/receiving messages.
+ *
+ */
+static pj_bool_t rt_on_rx_request(pjsip_rx_data *rdata);
+static pj_bool_t rt_on_rx_response(pjsip_rx_data *rdata);
+
+static pjsip_module rt_module =
+{
+ NULL, NULL, /* prev and next */
+ { "Transport-RT-Test", 17}, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_TSX_LAYER-1, /* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &rt_on_rx_request, /* on_rx_request() */
+ &rt_on_rx_response, /* on_rx_response() */
+ NULL, /* tsx_handler() */
+};
+
+static struct
+{
+ pj_thread_t *thread;
+ pj_timestamp send_time;
+ pj_timestamp total_rt_time;
+ int sent_request_count, recv_response_count;
+ pj_str_t call_id;
+ pj_timer_entry timeout_timer;
+ pj_timer_entry tx_timer;
+ pj_mutex_t *mutex;
+} rt_test_data[16];
+
+static char rt_target_uri[64];
+static pj_bool_t rt_stop;
+static pj_str_t rt_call_id;
+
+static pj_bool_t rt_on_rx_request(pjsip_rx_data *rdata)
+{
+ if (!pj_strncmp(&rdata->msg_info.cid->id, &rt_call_id, rt_call_id.slen)) {
+ pjsip_tx_data *tdata;
+ pjsip_response_addr res_addr;
+ pj_status_t status;
+
+ status = pjsip_endpt_create_response( endpt, rdata, 200, NULL, &tdata);
+ if (status != PJ_SUCCESS) {
+ app_perror(" error creating response", status);
+ return PJ_TRUE;
+ }
+ status = pjsip_get_response_addr( tdata->pool, rdata, &res_addr);
+ if (status != PJ_SUCCESS) {
+ app_perror(" error in get response address", status);
+ pjsip_tx_data_dec_ref(tdata);
+ return PJ_TRUE;
+ }
+ status = pjsip_endpt_send_response( endpt, &res_addr, tdata, NULL, NULL);
+ if (status != PJ_SUCCESS) {
+ app_perror(" error sending response", status);
+ pjsip_tx_data_dec_ref(tdata);
+ return PJ_TRUE;
+ }
+ return PJ_TRUE;
+
+ }
+ return PJ_FALSE;
+}
+
+static pj_status_t rt_send_request(int thread_id)
+{
+ pj_status_t status;
+ pj_str_t target, from, to, contact, call_id;
+ pjsip_tx_data *tdata;
+ pj_time_val timeout_delay;
+
+ pj_mutex_lock(rt_test_data[thread_id].mutex);
+
+ /* Create a request message. */
+ target = pj_str(rt_target_uri);
+ from = pj_str(FROM_HDR);
+ to = pj_str(rt_target_uri);
+ contact = pj_str(CONTACT_HDR);
+ call_id = rt_test_data[thread_id].call_id;
+
+ status = pjsip_endpt_create_request( endpt, &pjsip_options_method,
+ &target, &from, &to,
+ &contact, &call_id, -1,
+ NULL, &tdata );
+ if (status != PJ_SUCCESS) {
+ app_perror(" error: unable to create request", status);
+ pj_mutex_unlock(rt_test_data[thread_id].mutex);
+ return -610;
+ }
+
+ /* Start time. */
+ pj_get_timestamp(&rt_test_data[thread_id].send_time);
+
+ /* Send the message (statelessly). */
+ status = pjsip_endpt_send_request_stateless( endpt, tdata, NULL, NULL);
+ if (status != PJ_SUCCESS) {
+ /* Immediate error! */
+ app_perror(" error: send request", status);
+ pjsip_tx_data_dec_ref(tdata);
+ pj_mutex_unlock(rt_test_data[thread_id].mutex);
+ return -620;
+ }
+
+ /* Update counter. */
+ rt_test_data[thread_id].sent_request_count++;
+
+ /* Set timeout timer. */
+ if (rt_test_data[thread_id].timeout_timer.user_data != NULL) {
+ pjsip_endpt_cancel_timer(endpt, &rt_test_data[thread_id].timeout_timer);
+ }
+ timeout_delay.sec = 100; timeout_delay.msec = 0;
+ rt_test_data[thread_id].timeout_timer.user_data = (void*)1;
+ pjsip_endpt_schedule_timer(endpt, &rt_test_data[thread_id].timeout_timer,
+ &timeout_delay);
+
+ pj_mutex_unlock(rt_test_data[thread_id].mutex);
+ return PJ_SUCCESS;
+}
+
+static pj_bool_t rt_on_rx_response(pjsip_rx_data *rdata)
+{
+ if (!pj_strncmp(&rdata->msg_info.cid->id, &rt_call_id, rt_call_id.slen)) {
+ char *pos = pj_strchr(&rdata->msg_info.cid->id, '/')+1;
+ int thread_id = (*pos - '0');
+ pj_timestamp recv_time;
+
+ pj_mutex_lock(rt_test_data[thread_id].mutex);
+
+ /* Stop timer. */
+ pjsip_endpt_cancel_timer(endpt, &rt_test_data[thread_id].timeout_timer);
+
+ /* Update counter and end-time. */
+ rt_test_data[thread_id].recv_response_count++;
+ pj_get_timestamp(&recv_time);
+
+ pj_sub_timestamp(&recv_time, &rt_test_data[thread_id].send_time);
+ pj_add_timestamp(&rt_test_data[thread_id].total_rt_time, &recv_time);
+
+ if (!rt_stop) {
+ pj_time_val tx_delay = { 0, 0 };
+ pj_assert(rt_test_data[thread_id].tx_timer.user_data == NULL);
+ rt_test_data[thread_id].tx_timer.user_data = (void*)1;
+ pjsip_endpt_schedule_timer(endpt, &rt_test_data[thread_id].tx_timer,
+ &tx_delay);
+ }
+
+ pj_mutex_unlock(rt_test_data[thread_id].mutex);
+
+ return PJ_TRUE;
+ }
+ return PJ_FALSE;
+}
+
+static void rt_timeout_timer( pj_timer_heap_t *timer_heap,
+ struct pj_timer_entry *entry )
+{
+ pj_mutex_lock(rt_test_data[entry->id].mutex);
+
+ PJ_UNUSED_ARG(timer_heap);
+ PJ_LOG(3,(THIS_FILE, " timeout waiting for response"));
+ rt_test_data[entry->id].timeout_timer.user_data = NULL;
+
+ if (rt_test_data[entry->id].tx_timer.user_data == NULL) {
+ pj_time_val delay = { 0, 0 };
+ rt_test_data[entry->id].tx_timer.user_data = (void*)1;
+ pjsip_endpt_schedule_timer(endpt, &rt_test_data[entry->id].tx_timer,
+ &delay);
+ }
+
+ pj_mutex_unlock(rt_test_data[entry->id].mutex);
+}
+
+static void rt_tx_timer( pj_timer_heap_t *timer_heap,
+ struct pj_timer_entry *entry )
+{
+ pj_mutex_lock(rt_test_data[entry->id].mutex);
+
+ PJ_UNUSED_ARG(timer_heap);
+ pj_assert(rt_test_data[entry->id].tx_timer.user_data != NULL);
+ rt_test_data[entry->id].tx_timer.user_data = NULL;
+ rt_send_request(entry->id);
+
+ pj_mutex_unlock(rt_test_data[entry->id].mutex);
+}
+
+
+static int rt_worker_thread(void *arg)
+{
+ int i;
+ pj_time_val poll_delay = { 0, 10 };
+
+ /* Sleep to allow main threads to run. */
+ pj_thread_sleep(10);
+
+ while (!rt_stop) {
+ pjsip_endpt_handle_events(endpt, &poll_delay);
+ }
+
+ /* Exhaust responses. */
+ for (i=0; i<100; ++i)
+ pjsip_endpt_handle_events(endpt, &poll_delay);
+
+ return 0;
+}
+
+int transport_rt_test( pjsip_transport_type_e tp_type,
+ pjsip_transport *ref_tp,
+ char *target_url,
+ int *lost)
+{
+ enum { THREADS = 4, INTERVAL = 10 };
+ int i;
+ pj_status_t status;
+ pj_pool_t *pool;
+ pj_bool_t logger_enabled;
+
+ pj_timestamp zero_time, total_time;
+ unsigned usec_rt;
+ unsigned total_sent;
+ unsigned total_recv;
+
+ PJ_LOG(3,(THIS_FILE, " multithreaded round-trip test (%d threads)...",
+ THREADS));
+ PJ_LOG(3,(THIS_FILE, " this will take approx %d seconds, please wait..",
+ INTERVAL));
+
+ /* Make sure msg logger is disabled. */
+ logger_enabled = msg_logger_set_enabled(0);
+
+ /* Register module (if not yet registered) */
+ if (rt_module.id == -1) {
+ status = pjsip_endpt_register_module( endpt, &rt_module );
+ if (status != PJ_SUCCESS) {
+ app_perror(" error: unable to register module", status);
+ return -600;
+ }
+ }
+
+ /* Create pool for this test. */
+ pool = pjsip_endpt_create_pool(endpt, NULL, 4000, 4000);
+ if (!pool)
+ return -610;
+
+ /* Initialize static test data. */
+ pj_ansi_strcpy(rt_target_uri, target_url);
+ rt_call_id = pj_str("RT-Call-Id/");
+ rt_stop = PJ_FALSE;
+
+ /* Initialize thread data. */
+ for (i=0; i<THREADS; ++i) {
+ char buf[1];
+ pj_str_t str_id = { buf, 1 };
+
+ pj_bzero(&rt_test_data[i], sizeof(rt_test_data[i]));
+
+ /* Init timer entry */
+ rt_test_data[i].tx_timer.id = i;
+ rt_test_data[i].tx_timer.cb = &rt_tx_timer;
+ rt_test_data[i].timeout_timer.id = i;
+ rt_test_data[i].timeout_timer.cb = &rt_timeout_timer;
+
+ /* Generate Call-ID for each thread. */
+ rt_test_data[i].call_id.ptr = (char*) pj_pool_alloc(pool, rt_call_id.slen+1);
+ pj_strcpy(&rt_test_data[i].call_id, &rt_call_id);
+ buf[0] = '0' + i;
+ pj_strcat(&rt_test_data[i].call_id, &str_id);
+
+ /* Init mutex. */
+ status = pj_mutex_create_recursive(pool, "rt", &rt_test_data[i].mutex);
+ if (status != PJ_SUCCESS) {
+ app_perror(" error: unable to create mutex", status);
+ return -615;
+ }
+
+ /* Create thread, suspended. */
+ status = pj_thread_create(pool, "rttest%p", &rt_worker_thread, (void*)(long)i, 0,
+ PJ_THREAD_SUSPENDED, &rt_test_data[i].thread);
+ if (status != PJ_SUCCESS) {
+ app_perror(" error: unable to create thread", status);
+ return -620;
+ }
+ }
+
+ /* Start threads! */
+ for (i=0; i<THREADS; ++i) {
+ pj_time_val delay = {0,0};
+ pj_thread_resume(rt_test_data[i].thread);
+
+ /* Schedule first message transmissions. */
+ rt_test_data[i].tx_timer.user_data = (void*)1;
+ pjsip_endpt_schedule_timer(endpt, &rt_test_data[i].tx_timer, &delay);
+ }
+
+ /* Sleep for some time. */
+ pj_thread_sleep(INTERVAL * 1000);
+
+ /* Signal thread to stop. */
+ rt_stop = PJ_TRUE;
+
+ /* Wait threads to complete. */
+ for (i=0; i<THREADS; ++i) {
+ pj_thread_join(rt_test_data[i].thread);
+ pj_thread_destroy(rt_test_data[i].thread);
+ }
+
+ /* Destroy rt_test_data */
+ for (i=0; i<THREADS; ++i) {
+ pj_mutex_destroy(rt_test_data[i].mutex);
+ pjsip_endpt_cancel_timer(endpt, &rt_test_data[i].timeout_timer);
+ }
+
+ /* Gather statistics. */
+ pj_bzero(&total_time, sizeof(total_time));
+ pj_bzero(&zero_time, sizeof(zero_time));
+ usec_rt = total_sent = total_recv = 0;
+ for (i=0; i<THREADS; ++i) {
+ total_sent += rt_test_data[i].sent_request_count;
+ total_recv += rt_test_data[i].recv_response_count;
+ pj_add_timestamp(&total_time, &rt_test_data[i].total_rt_time);
+ }
+
+ /* Display statistics. */
+ if (total_recv)
+ total_time.u64 = total_time.u64/total_recv;
+ else
+ total_time.u64 = 0;
+ usec_rt = pj_elapsed_usec(&zero_time, &total_time);
+ PJ_LOG(3,(THIS_FILE, " done."));
+ PJ_LOG(3,(THIS_FILE, " total %d messages sent", total_sent));
+ PJ_LOG(3,(THIS_FILE, " average round-trip=%d usec", usec_rt));
+
+ pjsip_endpt_release_pool(endpt, pool);
+
+ *lost = total_sent-total_recv;
+
+ /* Flush events. */
+ flush_events(500);
+
+ /* Restore msg logger. */
+ msg_logger_set_enabled(logger_enabled);
+
+ return 0;
+}
+
+///////////////////////////////////////////////////////////////////////////////
+/*
+ * Transport load testing
+ */
+static pj_bool_t load_on_rx_request(pjsip_rx_data *rdata);
+
+static struct mod_load_test
+{
+ pjsip_module mod;
+ pj_int32_t next_seq;
+ pj_bool_t err;
+} mod_load =
+{
+ {
+ NULL, NULL, /* prev and next */
+ { "mod-load-test", 13}, /* Name. */
+ -1, /* Id */
+ PJSIP_MOD_PRIORITY_TSX_LAYER-1, /* Priority */
+ NULL, /* load() */
+ NULL, /* start() */
+ NULL, /* stop() */
+ NULL, /* unload() */
+ &load_on_rx_request, /* on_rx_request() */
+ NULL, /* on_rx_response() */
+ NULL, /* tsx_handler() */
+ }
+};
+
+
+static pj_bool_t load_on_rx_request(pjsip_rx_data *rdata)
+{
+ if (rdata->msg_info.cseq->cseq != mod_load.next_seq) {
+ PJ_LOG(1,("THIS_FILE", " err: expecting cseq %u, got %u",
+ mod_load.next_seq, rdata->msg_info.cseq->cseq));
+ mod_load.err = PJ_TRUE;
+ mod_load.next_seq = rdata->msg_info.cseq->cseq + 1;
+ } else
+ mod_load.next_seq++;
+ return PJ_TRUE;
+}
+
+int transport_load_test(char *target_url)
+{
+ enum { COUNT = 2000 };
+ unsigned i;
+ pj_status_t status = PJ_SUCCESS;
+
+ /* exhaust packets */
+ do {
+ pj_time_val delay = {1, 0};
+ i = 0;
+ pjsip_endpt_handle_events2(endpt, &delay, &i);
+ } while (i != 0);
+
+ PJ_LOG(3,(THIS_FILE, " transport load test..."));
+
+ if (mod_load.mod.id == -1) {
+ status = pjsip_endpt_register_module( endpt, &mod_load.mod);
+ if (status != PJ_SUCCESS) {
+ app_perror("error registering module", status);
+ return -1;
+ }
+ }
+ mod_load.err = PJ_FALSE;
+ mod_load.next_seq = 0;
+
+ for (i=0; i<COUNT && !mod_load.err; ++i) {
+ pj_str_t target, from, call_id;
+ pjsip_tx_data *tdata;
+
+ target = pj_str(target_url);
+ from = pj_str("<sip:user@host>");
+ call_id = pj_str("thecallid");
+ status = pjsip_endpt_create_request(endpt, &pjsip_invite_method,
+ &target, &from,
+ &target, &from, &call_id,
+ i, NULL, &tdata );
+ if (status != PJ_SUCCESS) {
+ app_perror("error creating request", status);
+ goto on_return;
+ }
+
+ status = pjsip_endpt_send_request_stateless(endpt, tdata, NULL, NULL);
+ if (status != PJ_SUCCESS) {
+ app_perror("error sending request", status);
+ goto on_return;
+ }
+ }
+
+ do {
+ pj_time_val delay = {1, 0};
+ i = 0;
+ pjsip_endpt_handle_events2(endpt, &delay, &i);
+ } while (i != 0);
+
+ if (mod_load.next_seq != COUNT) {
+ PJ_LOG(1,("THIS_FILE", " err: expecting %u msg, got only %u",
+ COUNT, mod_load.next_seq));
+ status = -2;
+ goto on_return;
+ }
+
+on_return:
+ if (mod_load.mod.id != -1) {
+ pjsip_endpt_unregister_module( endpt, &mod_load.mod);
+ mod_load.mod.id = -1;
+ }
+ if (status != PJ_SUCCESS || mod_load.err) {
+ return -2;
+ }
+ PJ_LOG(3,(THIS_FILE, " success"));
+ return 0;
+}
+
+