📄 tsx_uac_test.c
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tsx->status_code, 302));
test_complete = -761;
}
/* Must have correct retransmission count. */
if (tsx->retransmit_count != 0) {
PJ_LOG(3,(THIS_FILE,
" error: retransmit cnt is %d instead of %d",
tsx->retransmit_count, 0));
test_complete = -762;
}
/* Must still keep last_tx */
if (tsx->last_tx == NULL) {
PJ_LOG(3,(THIS_FILE,
" error: transaction lost last_tx"));
test_complete = -763;
}
/* last_tx MUST be INVITE.
* (authorization depends on this behavior)
*/
if (tsx->last_tx && tsx->last_tx->msg->line.req.method.id !=
PJSIP_INVITE_METHOD)
{
PJ_LOG(3,(THIS_FILE,
" error: last_tx is not INVITE"));
test_complete = -764;
}
}
else if (tsx->state == PJSIP_TSX_STATE_TERMINATED) {
test_complete = 1;
/* Previous state must be COMPLETED. */
if (e->body.tsx_state.prev_state != PJSIP_TSX_STATE_COMPLETED) {
test_complete = -767;
}
/* Status code must be 302. */
if (tsx->status_code != 302) {
PJ_LOG(3,(THIS_FILE,
" error: status code is %d instead of %d",
tsx->status_code, 302));
test_complete = -768;
}
}
}
}
/*
* This timer callback is called to send delayed response.
*/
struct response
{
pjsip_response_addr res_addr;
pjsip_tx_data *tdata;
};
static void send_response_callback( pj_timer_heap_t *timer_heap,
struct pj_timer_entry *entry)
{
struct response *r = entry->user_data;
pjsip_transport *tp = r->res_addr.transport;
pjsip_endpt_send_response(endpt, &r->res_addr, r->tdata, NULL, NULL);
if (tp)
pjsip_transport_dec_ref(tp);
}
/* Timer callback to terminate a transaction. */
static void terminate_tsx_callback( pj_timer_heap_t *timer_heap,
struct pj_timer_entry *entry)
{
struct my_timer *m = (struct my_timer *)entry;
pjsip_transaction *tsx = pjsip_tsx_layer_find_tsx(&m->tsx_key, PJ_FALSE);
int status_code = entry->id;
if (tsx) {
pjsip_tsx_terminate(tsx, status_code);
}
}
#define DIFF(a,b) ((a<b) ? (b-a) : (a-b))
/*
* This is the handler to receive message for this test. It is used to
* control and verify the behavior of the message transmitted by the
* transaction.
*/
static pj_bool_t msg_receiver_on_rx_request(pjsip_rx_data *rdata)
{
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST1_BRANCH_ID) == 0) {
/*
* The TEST1_BRANCH_ID test performs the verifications for transaction
* retransmission mechanism. It will not answer the incoming request
* with any response.
*/
pjsip_msg *msg = rdata->msg_info.msg;
PJ_LOG(4,(THIS_FILE, " received request"));
/* Only wants to take INVITE or OPTIONS method. */
if (msg->line.req.method.id != PJSIP_INVITE_METHOD &&
msg->line.req.method.id != PJSIP_OPTIONS_METHOD)
{
PJ_LOG(3,(THIS_FILE, " error: received unexpected method %.*s",
msg->line.req.method.name.slen,
msg->line.req.method.name.ptr));
test_complete = -600;
return PJ_TRUE;
}
if (recv_count == 0) {
recv_count++;
//pj_gettimeofday(&recv_last);
recv_last = rdata->pkt_info.timestamp;
} else {
pj_time_val now;
unsigned msec_expected, msec_elapsed;
int max_received;
//pj_gettimeofday(&now);
now = rdata->pkt_info.timestamp;
PJ_TIME_VAL_SUB(now, recv_last);
msec_elapsed = now.sec*1000 + now.msec;
++recv_count;
msec_expected = (1<<(recv_count-2))*PJSIP_T1_TIMEOUT;
if (msg->line.req.method.id != PJSIP_INVITE_METHOD) {
if (msec_expected > PJSIP_T2_TIMEOUT)
msec_expected = PJSIP_T2_TIMEOUT;
max_received = 11;
} else {
max_received = 7;
}
if (DIFF(msec_expected, msec_elapsed) > TEST1_ALLOWED_DIFF) {
PJ_LOG(3,(THIS_FILE,
" error: expecting retransmission no. %d in %d "
"ms, received in %d ms",
recv_count-1, msec_expected, msec_elapsed));
test_complete = -610;
}
if (recv_count > max_received) {
PJ_LOG(3,(THIS_FILE,
" error: too many messages (%d) received",
recv_count));
test_complete = -620;
}
//pj_gettimeofday(&recv_last);
recv_last = rdata->pkt_info.timestamp;
}
return PJ_TRUE;
} else
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST4_BRANCH_ID) == 0) {
/*
* The TEST4_BRANCH_ID test simulates transport failure after several
* retransmissions.
*/
recv_count++;
if (recv_count == TEST4_RETRANSMIT_CNT) {
/* Simulate transport failure. */
pjsip_loop_set_failure(loop, 2, NULL);
} else if (recv_count > TEST4_RETRANSMIT_CNT) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -631;
}
return PJ_TRUE;
} else
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST5_BRANCH_ID) == 0) {
/*
* The TEST5_BRANCH_ID test simulates user terminating the transaction
* after several retransmissions.
*/
recv_count++;
if (recv_count == TEST5_RETRANSMIT_CNT+1) {
pj_str_t key;
pjsip_transaction *tsx;
pjsip_tsx_create_key( rdata->tp_info.pool, &key, PJSIP_ROLE_UAC,
&rdata->msg_info.msg->line.req.method, rdata);
tsx = pjsip_tsx_layer_find_tsx(&key, PJ_TRUE);
if (tsx) {
pjsip_tsx_terminate(tsx, PJSIP_SC_REQUEST_TERMINATED);
pj_mutex_unlock(tsx->mutex);
} else {
PJ_LOG(3,(THIS_FILE, " error: uac transaction not found!"));
test_complete = -633;
}
} else if (recv_count > TEST5_RETRANSMIT_CNT+1) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -634;
}
return PJ_TRUE;
} else
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST6_BRANCH_ID) == 0) {
/*
* The TEST6_BRANCH_ID test successfull non-INVITE transaction.
*/
pj_status_t status;
recv_count++;
if (recv_count > 1) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -635;
}
status = pjsip_endpt_respond_stateless(endpt, rdata, 202, NULL,
NULL, NULL);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to send response", status);
test_complete = -636;
}
return PJ_TRUE;
} else
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST7_BRANCH_ID) == 0) {
/*
* The TEST7_BRANCH_ID test successfull non-INVITE transaction
* with provisional response.
*/
pj_status_t status;
pjsip_response_addr res_addr;
struct response *r;
pjsip_tx_data *tdata;
pj_time_val delay = { 2, 0 };
recv_count++;
if (recv_count > 1) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -640;
return PJ_TRUE;
}
/* Respond with provisional response */
status = pjsip_endpt_create_response(endpt, rdata, 100, NULL, &tdata);
pj_assert(status == PJ_SUCCESS);
status = pjsip_get_response_addr(tdata->pool, rdata, &res_addr);
pj_assert(status == PJ_SUCCESS);
status = pjsip_endpt_send_response(endpt, &res_addr, tdata,
NULL, NULL);
pj_assert(status == PJ_SUCCESS);
/* Create the final response. */
status = pjsip_endpt_create_response(endpt, rdata, 202, NULL, &tdata);
pj_assert(status == PJ_SUCCESS);
/* Schedule sending final response in couple of of secs. */
r = pj_pool_alloc(tdata->pool, sizeof(*r));
r->res_addr = res_addr;
r->tdata = tdata;
if (r->res_addr.transport)
pjsip_transport_add_ref(r->res_addr.transport);
timer.entry.cb = &send_response_callback;
timer.entry.user_data = r;
pjsip_endpt_schedule_timer(endpt, &timer.entry, &delay);
return PJ_TRUE;
} else
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST8_BRANCH_ID) == 0) {
/*
* The TEST8_BRANCH_ID test failed INVITE transaction.
*/
pjsip_method *method;
pj_status_t status;
method = &rdata->msg_info.msg->line.req.method;
recv_count++;
if (method->id == PJSIP_INVITE_METHOD) {
if (recv_count > 1) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -635;
}
status = pjsip_endpt_respond_stateless(endpt, rdata, 301, NULL,
NULL, NULL);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to send response", status);
test_complete = -636;
}
} else if (method->id == PJSIP_ACK_METHOD) {
if (recv_count == 2) {
pj_str_t key;
pj_time_val delay = { 5, 0 };
/* Schedule timer to destroy transaction after 5 seconds.
* This is to make sure that transaction does not
* retransmit ACK.
*/
pjsip_tsx_create_key(rdata->tp_info.pool, &key,
PJSIP_ROLE_UAC, &pjsip_invite_method,
rdata);
pj_strcpy(&timer.tsx_key, &key);
timer.entry.id = 301;
timer.entry.cb = &terminate_tsx_callback;
pjsip_endpt_schedule_timer(endpt, &timer.entry, &delay);
}
if (recv_count > 2) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -638;
}
} else {
PJ_LOG(3,(THIS_FILE," error: not expecting %s",
pjsip_rx_data_get_info(rdata)));
test_complete = -639;
}
} else
if (pj_strcmp2(&rdata->msg_info.via->branch_param, TEST9_BRANCH_ID) == 0) {
/*
* The TEST9_BRANCH_ID test failed INVITE transaction with
* provisional response.
*/
pjsip_method *method;
pj_status_t status;
method = &rdata->msg_info.msg->line.req.method;
recv_count++;
if (method->id == PJSIP_INVITE_METHOD) {
pjsip_response_addr res_addr;
struct response *r;
pjsip_tx_data *tdata;
pj_time_val delay = { 2, 0 };
if (recv_count > 1) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -650;
return PJ_TRUE;
}
/* Respond with provisional response */
status = pjsip_endpt_create_response(endpt, rdata, 100, NULL,
&tdata);
pj_assert(status == PJ_SUCCESS);
status = pjsip_get_response_addr(tdata->pool, rdata, &res_addr);
pj_assert(status == PJ_SUCCESS);
status = pjsip_endpt_send_response(endpt, &res_addr, tdata,
NULL, NULL);
pj_assert(status == PJ_SUCCESS);
/* Create the final response. */
status = pjsip_endpt_create_response(endpt, rdata, 302, NULL,
&tdata);
pj_assert(status == PJ_SUCCESS);
/* Schedule sending final response in couple of of secs. */
r = pj_pool_alloc(tdata->pool, sizeof(*r));
r->res_addr = res_addr;
r->tdata = tdata;
if (r->res_addr.transport)
pjsip_transport_add_ref(r->res_addr.transport);
timer.entry.cb = &send_response_callback;
timer.entry.user_data = r;
pjsip_endpt_schedule_timer(endpt, &timer.entry, &delay);
} else if (method->id == PJSIP_ACK_METHOD) {
if (recv_count == 2) {
pj_str_t key;
pj_time_val delay = { 5, 0 };
/* Schedule timer to destroy transaction after 5 seconds.
* This is to make sure that transaction does not
* retransmit ACK.
*/
pjsip_tsx_create_key(rdata->tp_info.pool, &key,
PJSIP_ROLE_UAC, &pjsip_invite_method,
rdata);
pj_strcpy(&timer.tsx_key, &key);
timer.entry.id = 302;
timer.entry.cb = &terminate_tsx_callback;
pjsip_endpt_schedule_timer(endpt, &timer.entry, &delay);
}
if (recv_count > 2) {
PJ_LOG(3,(THIS_FILE," error: not expecting %d-th packet!",
recv_count));
test_complete = -638;
}
} else {
PJ_LOG(3,(THIS_FILE," error: not expecting %s",
pjsip_rx_data_get_info(rdata)));
test_complete = -639;
}
return PJ_TRUE;
}
return PJ_FALSE;
}
/*
* The generic test framework, used by most of the tests.
*/
static int perform_tsx_test(int dummy, char *target_uri, char *from_uri,
char *branch_param, int test_time,
const pjsip_method *method)
{
pjsip_tx_data *tdata;
pjsip_transaction *tsx;
pj_str_t target, from, tsx_key;
pjsip_via_hdr *via;
pj_time_val timeout;
pj_status_t status;
PJ_LOG(3,(THIS_FILE,
" please standby, this will take at most %d seconds..",
test_time));
/* Reset test. */
recv_count = 0;
test_complete = 0;
/* Init headers. */
target = pj_str(target_uri);
from = pj_str(from_uri);
/* Create request. */
status = pjsip_endpt_create_request( endpt, method, &target,
&from, &target, NULL, NULL, -1,
NULL, &tdata);
if (status != PJ_SUCCESS) {
app_perror(" Error: unable to create request", status);
return -100;
}
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