static int datagram_loop_test()
{
enum { LOOP = 8 };
pjsip_transport *loop;
int i, pkt_lost;
pj_sockaddr_in addr;
pj_status_t status;
long ref_cnt;
int rtt[LOOP], min_rtt;
PJ_LOG(3,(THIS_FILE, "testing datagram loop transport"));
/* Test acquire transport. */
status = pjsip_endpt_acquire_transport( endpt, PJSIP_TRANSPORT_LOOP_DGRAM,
&addr, sizeof(addr), NULL, &loop);
if (status != PJ_SUCCESS) {
app_perror(" error: loop transport is not configured", status);
return -20;
}
/* Get initial reference counter */
ref_cnt = pj_atomic_get(loop->ref_cnt);
/* Test basic transport attributes */
status = generic_transport_test(loop);
if (status != PJ_SUCCESS)
return status;
/* Basic transport's send/receive loopback test. */
for (i=0; i<LOOP; ++i) {
status = transport_send_recv_test(PJSIP_TRANSPORT_LOOP_DGRAM, loop,
"sip:[email protected];transport=loop-dgram",
&rtt[i]);
if (status != 0)
return status;
}
min_rtt = 0xFFFFFFF;
for (i=0; i<LOOP; ++i)
if (rtt[i] < min_rtt) min_rtt = rtt[i];
report_ival("loop-rtt-usec", min_rtt, "usec",
"Best Loopback transport round trip time, in microseconds "
"(time from sending request until response is received. "
"Tests were performed on local machine only)");
/* Multi-threaded round-trip test. */
status = transport_rt_test(PJSIP_TRANSPORT_LOOP_DGRAM, loop,
"sip:[email protected];transport=loop-dgram",
&pkt_lost);
if (status != 0)
return status;
if (pkt_lost != 0) {
PJ_LOG(3,(THIS_FILE, " error: %d packet(s) was lost", pkt_lost));
return -40;
}
/* Put delay. */
PJ_LOG(3,(THIS_FILE," setting network delay to 10 ms"));
pjsip_loop_set_delay(loop, 10);
/* Multi-threaded round-trip test. */
status = transport_rt_test(PJSIP_TRANSPORT_LOOP_DGRAM, loop,
"sip:[email protected];transport=loop-dgram",
&pkt_lost);
if (status != 0)
return status;
if (pkt_lost != 0) {
PJ_LOG(3,(THIS_FILE, " error: %d packet(s) was lost", pkt_lost));
return -50;
}
/* Restore delay. */
pjsip_loop_set_delay(loop, 0);
/* Check reference counter. */
if (pj_atomic_get(loop->ref_cnt) != ref_cnt) {
PJ_LOG(3,(THIS_FILE, " error: ref counter is not %d (%d)",
ref_cnt, pj_atomic_get(loop->ref_cnt)));
return -51;
}
/* Decrement reference. */
pjsip_transport_dec_ref(loop);
return 0;
}
/*
* UDP transport test.
*/
int transport_udp_test(void)
{
enum { SEND_RECV_LOOP = 8 };
pjsip_transport *udp_tp, *tp;
pj_sockaddr_in addr, rem_addr;
pj_str_t s;
pj_status_t status;
int rtt[SEND_RECV_LOOP], min_rtt;
int i, pkt_lost;
pj_sockaddr_in_init(&addr, NULL, TEST_UDP_PORT);
/* Start UDP transport. */
status = pjsip_udp_transport_start( endpt, &addr, NULL, 1, &udp_tp);
if (status != PJ_SUCCESS) {
app_perror(" Error: unable to start UDP transport", status);
return -10;
}
/* UDP transport must have initial reference counter set to 1. */
if (pj_atomic_get(udp_tp->ref_cnt) != 1)
return -20;
/* Test basic transport attributes */
status = generic_transport_test(udp_tp);
if (status != PJ_SUCCESS)
return status;
/* Test that transport manager is returning the correct
* transport.
*/
pj_sockaddr_in_init(&rem_addr, pj_cstr(&s, "1.1.1.1"), 80);
status = pjsip_endpt_acquire_transport(endpt, PJSIP_TRANSPORT_UDP,
&rem_addr, sizeof(rem_addr),
NULL, &tp);
if (status != PJ_SUCCESS)
return -50;
if (tp != udp_tp)
return -60;
/* pjsip_endpt_acquire_transport() adds reference, so we need
* to decrement it.
*/
pjsip_transport_dec_ref(tp);
/* Check again that reference counter is 1. */
if (pj_atomic_get(udp_tp->ref_cnt) != 1)
return -70;
/* Basic transport's send/receive loopback test. */
pj_sockaddr_in_init(&rem_addr, pj_cstr(&s, "127.0.0.1"), TEST_UDP_PORT);
for (i=0; i<SEND_RECV_LOOP; ++i) {
status = transport_send_recv_test(PJSIP_TRANSPORT_UDP, tp,
"sip:[email protected]:"TEST_UDP_PORT_STR,
&rtt[i]);
if (status != 0)
return status;
}
min_rtt = 0xFFFFFFF;
for (i=0; i<SEND_RECV_LOOP; ++i)
if (rtt[i] < min_rtt) min_rtt = rtt[i];
report_ival("udp-rtt-usec", min_rtt, "usec",
"Best UDP transport round trip time, in microseconds "
"(time from sending request until response is received. "
"Tests were performed on local machine only)");
/* Multi-threaded round-trip test. */
status = transport_rt_test(PJSIP_TRANSPORT_UDP, tp,
"sip:[email protected]:"TEST_UDP_PORT_STR,
&pkt_lost);
if (status != 0)
return status;
if (pkt_lost != 0)
PJ_LOG(3,(THIS_FILE, " note: %d packet(s) was lost", pkt_lost));
/* Check again that reference counter is 1. */
if (pj_atomic_get(udp_tp->ref_cnt) != 1)
return -80;
/* Destroy this transport. */
pjsip_transport_dec_ref(udp_tp);
/* Force destroy this transport. */
status = pjsip_transport_destroy(udp_tp);
if (status != PJ_SUCCESS)
return -90;
/* Flush events. */
PJ_LOG(3,(THIS_FILE, " Flushing events, 1 second..."));
flush_events(1000);
/* Done */
return 0;
}
int transport_tcp_test(void)
{
enum { SEND_RECV_LOOP = 8 };
pjsip_tpfactory *tpfactory;
pjsip_transport *tcp;
pj_sockaddr_in rem_addr;
pj_status_t status;
char url[PJSIP_MAX_URL_SIZE];
int rtt[SEND_RECV_LOOP], min_rtt;
int i, pkt_lost;
/* Start TCP listener on arbitrary port. */
status = pjsip_tcp_transport_start(endpt, NULL, 1, &tpfactory);
if (status != PJ_SUCCESS) {
app_perror(" Error: unable to start TCP transport", status);
return -10;
}
/* Get the listener address */
status = pj_sockaddr_in_init(&rem_addr, &tpfactory->addr_name.host,
(pj_uint16_t)tpfactory->addr_name.port);
if (status != PJ_SUCCESS) {
app_perror(" Error: possibly invalid TCP address name", status);
return -14;
}
pj_ansi_sprintf(url, "sip:alice@%s:%d;transport=tcp",
pj_inet_ntoa(rem_addr.sin_addr),
pj_ntohs(rem_addr.sin_port));
/* Acquire one TCP transport. */
status = pjsip_endpt_acquire_transport(endpt, PJSIP_TRANSPORT_TCP,
&rem_addr, sizeof(rem_addr),
NULL, &tcp);
if (status != PJ_SUCCESS || tcp == NULL) {
app_perror(" Error: unable to acquire TCP transport", status);
return -17;
}
/* After pjsip_endpt_acquire_transport, TCP transport must have
* reference counter 1.
*/
if (pj_atomic_get(tcp->ref_cnt) != 1)
return -20;
/* Test basic transport attributes */
status = generic_transport_test(tcp);
if (status != PJ_SUCCESS)
return status;
/* Check again that reference counter is 1. */
if (pj_atomic_get(tcp->ref_cnt) != 1)
return -40;
/* Load test */
if (transport_load_test(url) != 0)
return -60;
/* Basic transport's send/receive loopback test. */
for (i=0; i<SEND_RECV_LOOP; ++i) {
status = transport_send_recv_test(PJSIP_TRANSPORT_TCP, tcp, url, &rtt[i]);
if (status != 0) {
pjsip_transport_dec_ref(tcp);
flush_events(500);
return -72;
}
}
min_rtt = 0xFFFFFFF;
for (i=0; i<SEND_RECV_LOOP; ++i)
if (rtt[i] < min_rtt) min_rtt = rtt[i];
report_ival("tcp-rtt-usec", min_rtt, "usec",
"Best TCP transport round trip time, in microseconds "
"(time from sending request until response is received. "
"Tests were performed on local machine only, and after "
"TCP socket has been established by previous test)");
/* Multi-threaded round-trip test. */
status = transport_rt_test(PJSIP_TRANSPORT_TCP, tcp, url, &pkt_lost);
if (status != 0) {
pjsip_transport_dec_ref(tcp);
return status;
}
if (pkt_lost != 0)
PJ_LOG(3,(THIS_FILE, " note: %d packet(s) was lost", pkt_lost));
/* Check again that reference counter is still 1. */
if (pj_atomic_get(tcp->ref_cnt) != 1)
return -80;
/* Destroy this transport. */
pjsip_transport_dec_ref(tcp);
/* Force destroy this transport. */
status = pjsip_transport_destroy(tcp);
if (status != PJ_SUCCESS)
return -90;
/* Unregister factory */
status = pjsip_tpmgr_unregister_tpfactory(pjsip_endpt_get_tpmgr(endpt),
tpfactory);
if (status != PJ_SUCCESS)
return -95;
/* Flush events. */
PJ_LOG(3,(THIS_FILE, " Flushing events, 1 second..."));
flush_events(1000);
/* Done */
return 0;
}
