📄 tsx_uas_test.c
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}
} else {
PJ_LOG(3,(THIS_FILE, " error: retransmission received"));
test_complete = -125;
}
}
return PJ_TRUE;
} else if (pj_strcmp2(&branch_param, TEST4_BRANCH_ID) == 0 ||
pj_strcmp2(&branch_param, TEST5_BRANCH_ID) == 0 ||
pj_strcmp2(&branch_param, TEST6_BRANCH_ID) == 0)
{
/* TEST4_BRANCH_ID: absorbs retransmissions in TRYING state. */
/* TEST5_BRANCH_ID: retransmit last response in PROCEEDING state. */
/* TEST6_BRANCH_ID: retransmit last response in COMPLETED state. */
if (msg->type == PJSIP_REQUEST_MSG) {
/* On received request, create UAS. */
pjsip_transaction *tsx;
PJ_LOG(4,(THIS_FILE, " received request (probably retransmission)"));
status = pjsip_tsx_create_uas(&tsx_user, rdata, &tsx);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to create transaction", status);
test_complete = -130;
return PJ_TRUE;
}
pjsip_tsx_recv_msg(tsx, rdata);
save_key(tsx);
if (pj_strcmp2(&branch_param, TEST4_BRANCH_ID) == 0) {
} else if (pj_strcmp2(&branch_param, TEST5_BRANCH_ID) == 0) {
send_response(rdata, tsx, TEST5_PROVISIONAL_CODE);
} else if (pj_strcmp2(&branch_param, TEST6_BRANCH_ID) == 0) {
PJ_LOG(4,(THIS_FILE, " sending provisional response"));
send_response(rdata, tsx, TEST6_PROVISIONAL_CODE);
PJ_LOG(4,(THIS_FILE, " sending final response"));
send_response(rdata, tsx, TEST6_STATUS_CODE);
}
} else {
/* Verify the response received. */
PJ_LOG(4,(THIS_FILE, " received response number %d", recv_count));
++recv_count;
if (pj_strcmp2(&branch_param, TEST4_BRANCH_ID) == 0) {
PJ_LOG(3,(THIS_FILE, " error: not expecting response!"));
test_complete = -132;
} else if (pj_strcmp2(&branch_param, TEST5_BRANCH_ID) == 0) {
if (rdata->msg_info.msg->line.status.code!=TEST5_PROVISIONAL_CODE) {
PJ_LOG(3,(THIS_FILE, " error: incorrect status code!"));
test_complete = -133;
}
if (recv_count > TEST5_RESPONSE_COUNT) {
PJ_LOG(3,(THIS_FILE, " error: not expecting response!"));
test_complete = -134;
}
} else if (pj_strcmp2(&branch_param, TEST6_BRANCH_ID) == 0) {
int code = rdata->msg_info.msg->line.status.code;
switch (recv_count) {
case 1:
if (code != TEST6_PROVISIONAL_CODE) {
PJ_LOG(3,(THIS_FILE, " error: invalid code!"));
test_complete = -135;
}
break;
case 2:
case 3:
if (code != TEST6_STATUS_CODE) {
PJ_LOG(3,(THIS_FILE, " error: invalid code %d "
"(expecting %d)", code, TEST6_STATUS_CODE));
test_complete = -136;
}
break;
default:
PJ_LOG(3,(THIS_FILE, " error: not expecting response"));
test_complete = -137;
break;
}
}
}
return PJ_TRUE;
} else if (pj_strcmp2(&branch_param, TEST7_BRANCH_ID) == 0 ||
pj_strcmp2(&branch_param, TEST8_BRANCH_ID) == 0)
{
/*
* TEST7_BRANCH_ID and TEST8_BRANCH_ID test the retransmission
* of INVITE final response
*/
if (msg->type == PJSIP_REQUEST_MSG) {
/* On received request, create UAS. */
pjsip_transaction *tsx;
status = pjsip_tsx_create_uas(&tsx_user, rdata, &tsx);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to create transaction", status);
test_complete = -140;
return PJ_TRUE;
}
pjsip_tsx_recv_msg(tsx, rdata);
save_key(tsx);
if (pj_strcmp2(&branch_param, TEST7_BRANCH_ID) == 0) {
send_response(rdata, tsx, TEST7_STATUS_CODE);
} else {
send_response(rdata, tsx, TEST8_STATUS_CODE);
}
} else {
int code;
++recv_count;
if (pj_strcmp2(&branch_param, TEST7_BRANCH_ID) == 0)
code = TEST7_STATUS_CODE;
else
code = TEST8_STATUS_CODE;
if (recv_count==1) {
if (rdata->msg_info.msg->line.status.code != code) {
PJ_LOG(3,(THIS_FILE," error: invalid status code"));
test_complete = -141;
}
recv_last = rdata->pkt_info.timestamp;
} else {
pj_time_val now;
unsigned msec, msec_expected;
now = rdata->pkt_info.timestamp;
PJ_TIME_VAL_SUB(now, recv_last);
msec = now.sec*1000 + now.msec;
msec_expected = (1 << (recv_count-2)) * PJSIP_T1_TIMEOUT;
if (msec_expected > PJSIP_T2_TIMEOUT)
msec_expected = PJSIP_T2_TIMEOUT;
if (DIFF(msec, msec_expected) > MAX_ALLOWED_DIFF) {
PJ_LOG(3,(THIS_FILE,
" error: incorrect retransmission "
"time (%d ms expected, %d ms received",
msec_expected, msec));
test_complete = -142;
}
if (recv_count > 11) {
PJ_LOG(3,(THIS_FILE," error: too many responses (%d)",
recv_count));
test_complete = -143;
}
recv_last = rdata->pkt_info.timestamp;
}
}
return PJ_TRUE;
} else if (pj_strcmp2(&branch_param, TEST9_BRANCH_ID) == 0) {
/*
* TEST9_BRANCH_ID tests that the retransmission of INVITE final
* response should cease when ACK is received. Transaction also MUST
* terminate in T4 seconds.
*/
if (msg->type == PJSIP_REQUEST_MSG) {
/* On received request, create UAS. */
pjsip_transaction *tsx;
status = pjsip_tsx_create_uas(&tsx_user, rdata, &tsx);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to create transaction", status);
test_complete = -150;
return PJ_TRUE;
}
pjsip_tsx_recv_msg(tsx, rdata);
save_key(tsx);
send_response(rdata, tsx, TEST9_STATUS_CODE);
} else {
++recv_count;
if (rdata->msg_info.msg->line.status.code != TEST9_STATUS_CODE) {
PJ_LOG(3,(THIS_FILE," error: invalid status code"));
test_complete = -151;
}
if (recv_count==1) {
recv_last = rdata->pkt_info.timestamp;
} else if (recv_count < 5) {
/* Let UAS retransmit some messages before we send ACK. */
pj_time_val now;
unsigned msec, msec_expected;
now = rdata->pkt_info.timestamp;
PJ_TIME_VAL_SUB(now, recv_last);
msec = now.sec*1000 + now.msec;
msec_expected = (1 << (recv_count-2)) * PJSIP_T1_TIMEOUT;
if (msec_expected > PJSIP_T2_TIMEOUT)
msec_expected = PJSIP_T2_TIMEOUT;
if (DIFF(msec, msec_expected) > MAX_ALLOWED_DIFF) {
PJ_LOG(3,(THIS_FILE,
" error: incorrect retransmission "
"time (%d ms expected, %d ms received",
msec_expected, msec));
test_complete = -152;
}
recv_last = rdata->pkt_info.timestamp;
} else if (recv_count == 5) {
pjsip_tx_data *tdata;
pjsip_sip_uri *uri;
pjsip_via_hdr *via;
status = pjsip_endpt_create_request_from_hdr(
endpt, &pjsip_ack_method,
rdata->msg_info.to->uri,
rdata->msg_info.from,
rdata->msg_info.to,
NULL,
rdata->msg_info.cid,
rdata->msg_info.cseq->cseq,
NULL,
&tdata);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to create ACK", status);
test_complete = -153;
return PJ_TRUE;
}
uri=(pjsip_sip_uri*)pjsip_uri_get_uri(tdata->msg->line.req.uri);
uri->transport_param = pj_str("loop-dgram");
via = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_VIA, NULL);
via->branch_param = pj_str(TEST9_BRANCH_ID);
status = pjsip_endpt_send_request_stateless(endpt, tdata,
NULL, NULL);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to send ACK", status);
test_complete = -154;
}
} else {
PJ_LOG(3,(THIS_FILE," error: too many responses (%d)",
recv_count));
test_complete = -155;
}
}
return PJ_TRUE;
} else if (pj_strcmp2(&branch_param, TEST10_BRANCH_ID) == 0 ||
pj_strcmp2(&branch_param, TEST11_BRANCH_ID) == 0 ||
pj_strcmp2(&branch_param, TEST12_BRANCH_ID) == 0)
{
int test_num, code1, code2;
if (pj_strcmp2(&branch_param, TEST10_BRANCH_ID) == 0)
test_num=10, code1 = 100, code2 = 0;
else if (pj_strcmp2(&branch_param, TEST11_BRANCH_ID) == 0)
test_num=11, code1 = 100, code2 = 200;
else
test_num=12, code1 = 200, code2 = 0;
if (rdata->msg_info.msg->type == PJSIP_REQUEST_MSG) {
/* On received response, create UAS. */
pjsip_transaction *tsx;
status = pjsip_tsx_create_uas(&tsx_user, rdata, &tsx);
if (status != PJ_SUCCESS) {
app_perror(" error: unable to create transaction", status);
test_complete = -150;
return PJ_TRUE;
}
pjsip_tsx_recv_msg(tsx, rdata);
save_key(tsx);
schedule_send_response(rdata, &tsx_key, code1, 1000);
if (code2)
schedule_send_response(rdata, &tsx_key, code2, 2000);
} else {
}
return PJ_TRUE;
}
return PJ_FALSE;
}
/*
* The generic test framework, used by most of the tests.
*/
static int perform_test( char *target_uri, char *from_uri,
char *branch_param, int test_time,
const pjsip_method *method,
int request_cnt, int request_interval_msec,
int expecting_timeout)
{
pjsip_tx_data *tdata;
pj_str_t target, from;
pjsip_via_hdr *via;
pj_time_val timeout, next_send;
int sent_cnt;
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;
tsx_key.slen = 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 -10;
}
/* Set the branch param for test 1. */
via = pjsip_msg_find_hdr(tdata->msg, PJSIP_H_VIA, NULL);
via->branch_param = pj_str(branch_param);
/* Schedule first send. */
sent_cnt = 0;
pj_gettimeofday(&next_send);
pj_time_val_normalize(&next_send);
/* Set test completion time. */
pj_gettimeofday(&timeout);
timeout.sec += test_time;
/* Wait until test complete. */
while (!test_complete) {
pj_time_val now, poll_delay = {0, 10};
pjsip_endpt_handle_events(endpt, &poll_delay);
pj_gettimeofday(&now);
if (sent_cnt < request_cnt && PJ_TIME_VAL_GTE(now, next_send)) {
/* Add additional reference to tdata to prevent transaction from
* deleting it.
*/
pjsip_tx_data_add_ref(tdata);
/* (Re)Send the request. */
PJ_LOG(4,(THIS_FILE, " (re)sending request %d", sent_cnt));
status = pjsip_endpt_send_request_stateless(endpt, tdata, 0, 0);
if (status != PJ_SUCCESS) {
app_perror(" Error: unable to send request", status);
pjsip_tx_data_dec_ref(tdata);
return -20;
}
/* Schedule next send, if any. */
sent_cnt++;
if (sent_cnt < request_cnt) {
pj_gettimeofday(&next_send);
next_send.msec += request_interval_msec;
pj_time_val_normalize(&next_send);
}
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