static int create_ses_by_remote_sdp(int local_port, char *sdp)
{
pj_media_session_t *ses = NULL;
pjsdp_session_desc *sdp_ses;
pj_media_sock_info skinfo;
pj_pool_t *pool;
char s[4];
const pj_media_stream_info *info[2];
int i, count;
pool = pj_pool_create(pf, "sdp", 1024, 0, NULL);
if (!pool) {
PJ_LOG(1,(THIS_FILE, "Unable to create pool"));
return -1;
}
pj_bzero(&skinfo, sizeof(skinfo));
skinfo.rtp_sock = skinfo.rtcp_sock = pj_sock_socket(pj_AF_INET(), pj_SOCK_DGRAM(), 0, 0);
if (skinfo.rtp_sock == PJ_INVALID_SOCKET) {
PJ_LOG(1,(THIS_FILE, "Unable to create socket"));
goto on_error;
}
pj_sockaddr_init2(&skinfo.rtp_addr_name, "0.0.0.0", local_port);
if (pj_sock_bind(skinfo.rtp_sock, (struct pj_sockaddr*)&skinfo.rtp_addr_name, sizeof(pj_sockaddr_in)) != 0) {
PJ_LOG(1,(THIS_FILE, "Unable to bind socket"));
goto on_error;
}
sdp_ses = pjsdp_parse(sdp, strlen(sdp), pool);
if (!sdp_ses) {
PJ_LOG(1,(THIS_FILE, "Error parsing SDP"));
goto on_error;
}
ses = pj_media_session_create_from_sdp(mm, sdp_ses, &skinfo);
if (!ses) {
PJ_LOG(1,(THIS_FILE, "Unable to create session from SDP"));
goto on_error;
}
if (pj_media_session_activate(ses) != 0) {
PJ_LOG(1,(THIS_FILE, "Error activating session"));
goto on_error;
}
count = pj_media_session_enum_streams(ses, 2, info);
printf("\nDumping streams: \n");
for (i=0; i<count; ++i) {
const char *dir;
char *local_ip;
switch (info[i]->dir) {
case PJMEDIA_DIR_NONE:
dir = "- NONE -"; break;
case PJMEDIA_DIR_ENCODING:
dir = "SENDONLY"; break;
case PJMEDIA_DIR_DECODING:
dir = "RECVONLY"; break;
case PJMEDIA_DIR_ENCODING_DECODING:
dir = "SENDRECV"; break;
default:
dir = "?UNKNOWN"; break;
}
local_ip = pj_sockaddr_get_str_addr(&info[i]->sock_info.rtp_addr_name);
printf(" Stream %d: %.*s %s local=%s:%d remote=%.*s:%d\n",
i, info[i]->type.slen, info[i]->type.ptr,
dir,
local_ip, pj_sockaddr_get_port(&info[i]->sock_info.rtp_addr_name),
info[i]->rem_addr.slen, info[i]->rem_addr.ptr, info[i]->rem_port);
}
puts("Press <ENTER> to quit");
fgets(s, sizeof(s), stdin);
pj_media_session_destroy(ses);
pj_sock_close(skinfo.rtp_sock);
pj_pool_release(pool);
return 0;
on_error:
if (ses)
pj_media_session_destroy(ses);
if (skinfo.rtp_sock != PJ_INVALID_SOCKET)
pj_sock_close(skinfo.rtp_sock);
if (pool)
pj_pool_release(pool);
return -1;
}
pj_status_t session_test (pj_pool_factory *pf)
{
pj_med_mgr_t *mm;
pj_media_session_t *s1, *s2;
pj_pool_t *pool;
pjsdp_session_desc *sdp;
pj_media_stream_info sd_info;
char buf[1024];
int len;
pj_media_stream_stat tx_stat, rx_stat;
pool = pj_pool_create(pf, "test", 4096, 1024, NULL);
// Init media manager.
mm = pj_med_mgr_create ( pf );
// Create caller session.
// THIS WILL DEFINITELY CRASH (NULL as argument)!
s1 = pj_media_session_create (mm, NULL);
// Set caller's media to send-only.
sd_info.dir = PJMEDIA_DIR_ENCODING;
pj_media_session_modify_stream (s1, 0, PJMEDIA_STREAM_MODIFY_DIR, &sd_info);
// Create caller SDP.
sdp = pj_media_session_create_sdp (s1, pool, 0);
len = pjsdp_print (sdp, buf, sizeof(buf));
buf[len] = '\0';
printf("Caller's initial SDP:\n<BEGIN>\n%s\n<END>\n", buf);
// Parse SDP from caller.
sdp = pjsdp_parse (buf, len, pool);
// Create callee session based on caller's SDP.
// THIS WILL DEFINITELY CRASH (NULL as argument)!
s2 = pj_media_session_create_from_sdp (mm, sdp, NULL);
// Create callee SDP
sdp = pj_media_session_create_sdp (s2, pool, 0);
len = pjsdp_print (sdp, buf, sizeof(buf));
buf[len] = '\0';
printf("Callee's SDP:\n<BEGIN>\n%s\n<END>\n", buf);
// Parse SDP from callee.
sdp = pjsdp_parse (buf, len, pool);
// Update caller
pj_media_session_update (s1, sdp);
sdp = pj_media_session_create_sdp (s1, pool, 0);
pjsdp_print (sdp, buf, sizeof(buf));
printf("Caller's SDP after update:\n<BEGIN>\n%s\n<END>\n", buf);
// Now start media.
pj_media_session_activate (s2);
pj_media_session_activate (s1);
// Wait
for (;;) {
int has_stat;
printf("Enter q to exit, 1 or 2 to print statistics.\n");
fgets (buf, 10, stdin);
has_stat = 0;
switch (buf[0]) {
case 'q':
case 'Q':
goto done;
break;
case '1':
pj_media_session_get_stat (s1, 0, &tx_stat, &rx_stat);
has_stat = 1;
break;
case '2':
pj_media_session_get_stat (s2, 0, &tx_stat, &rx_stat);
has_stat = 1;
break;
}
if (has_stat) {
pj_media_stream_stat *stat[2] = { &tx_stat, &rx_stat };
const char *statname[2] = { "TX", "RX" };
int i;
for (i=0; i<2; ++i) {
printf("%s statistics:\n", statname[i]);
printf(" Pkt TX=%d RX=%d\n", stat[i]->pkt_tx, stat[i]->pkt_rx);
printf(" Octets TX=%d RX=%d\n", stat[i]->oct_tx, stat[i]->oct_rx);
printf(" Jitter %d ms\n", stat[i]->jitter);
printf(" Pkt lost %d\n", stat[i]->pkt_lost);
}
printf("\n");
}
}
done:
// Done.
pj_pool_release (pool);
pj_media_session_destroy (s2);
pj_media_session_destroy (s1);
pj_med_mgr_destroy (mm);
return 0;
}