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https://gitlab.linphone.org/BC/public/linphone-iphone.git
synced 2026-05-03 20:46:28 +00:00
Good timing handling for STUN request during ICE candidates gathering.
This commit is contained in:
Ghislain MARY
parent
d3b07fe32d
commit
b11704376f
1 changed files with 67 additions and 49 deletions
116
coreapi/misc.c
116
coreapi/misc.c
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@ -564,22 +564,25 @@ void linphone_core_run_stun_tests(LinphoneCore *lc, LinphoneCall *call){
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void linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call)
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{
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typedef struct _st_gathering {
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ortp_socket_t sock;
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bool_t response;
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IceCandidate *base;
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struct timeval transmission_time;
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} gathering_t;
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char local_addr[64];
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char addr[64];
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int port;
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int id;
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ortp_socket_t audio_socks[2];
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ortp_socket_t video_socks[2];
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bool_t audio_responses[2];
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bool_t video_responses[2];
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IceCandidate *audio_ice_bases[2];
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IceCandidate *video_ice_bases[2];
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gathering_t audio_gatherings[2];
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gathering_t video_gatherings[2];
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IceCheckList *audio_check_list;
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IceCheckList *video_check_list;
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IceSession *ice_session = sal_op_get_ice_session(call->op);
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struct sockaddr_storage ss;
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socklen_t ss_len;
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struct timeval init, cur;
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struct timeval init, cur, diff;
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double elapsed;
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int loops = 0;
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const char *server = linphone_core_get_stun_server(lc);
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@ -601,42 +604,57 @@ void linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call)
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if (lc->vtable.display_status != NULL)
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lc->vtable.display_status(lc, _("ICE local candidates gathering in progress..."));
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audio_responses[0] = audio_responses[1] = FALSE;
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video_responses[0] = video_responses[1] = FALSE;
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audio_ice_bases[0] = audio_ice_bases[1] = NULL;
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video_ice_bases[0] = video_ice_bases[1] = NULL;
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audio_socks[0] = create_socket(call->audio_port);
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if (audio_socks[0] == -1) return;
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audio_socks[1] = create_socket(call->audio_port + 1);
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if (audio_socks[1] == -1) return;
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audio_gatherings[0].response = audio_gatherings[1].response = FALSE;
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video_gatherings[0].response = video_gatherings[1].response = FALSE;
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audio_gatherings[0].base = audio_gatherings[1].base = NULL;
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video_gatherings[0].base = video_gatherings[1].base = NULL;
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audio_gatherings[0].sock = create_socket(call->audio_port);
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if (audio_gatherings[0].sock == -1) return;
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audio_gatherings[1].sock = create_socket(call->audio_port + 1);
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if (audio_gatherings[1].sock == -1) return;
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if (call->params.has_video) {
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video_socks[0] = create_socket(call->video_port);
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if (video_socks[0] == -1) return;
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video_socks[1] = create_socket(call->video_port + 1);
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if (video_socks[1] == -1) return;
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video_gatherings[0].sock = create_socket(call->video_port);
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if (video_gatherings[0].sock == -1) return;
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video_gatherings[1].sock = create_socket(call->video_port + 1);
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if (video_gatherings[1].sock == -1) return;
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} else {
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video_socks[0] = video_socks[1] = -1;
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video_gatherings[0].sock = video_gatherings[1].sock = -1;
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}
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if (linphone_core_get_local_ip_for(AF_INET, NULL, local_addr) < 0) {
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ms_error("Fail to get local ip");
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return;
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}
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audio_ice_bases[0] = ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port, 1, NULL);
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audio_ice_bases[1] = ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port + 1, 2, NULL);
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audio_gatherings[0].base = ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port, 1, NULL);
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audio_gatherings[1].base = ice_add_local_candidate(audio_check_list, "host", local_addr, call->audio_port + 1, 2, NULL);
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if (call->params.has_video && (video_check_list != NULL)) {
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video_ice_bases[0] = ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port, 1, NULL);
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video_ice_bases[1] = ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port + 1, 2, NULL);
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video_gatherings[0].base = ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port, 1, NULL);
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video_gatherings[1].base = ice_add_local_candidate(video_check_list, "host", local_addr, call->video_port + 1, 2, NULL);
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}
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gettimeofday(&init, NULL);
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audio_gatherings[0].transmission_time = cur = init;
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diff.tv_sec = 0, diff.tv_usec = 20000;
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timeradd(&audio_gatherings[0].transmission_time, &diff, &audio_gatherings[1].transmission_time);
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timeradd(&audio_gatherings[1].transmission_time, &diff, &video_gatherings[0].transmission_time);
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timeradd(&video_gatherings[0].transmission_time, &diff, &video_gatherings[1].transmission_time);
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diff.tv_sec = 0, diff.tv_usec = 100000;
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do {
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if (loops % 20 == 0) {
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ms_message("Sending stun requests...");
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if (audio_responses[0] == FALSE) sendStunRequest(audio_socks[0], (struct sockaddr*)&ss, ss_len, 1, FALSE);
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if (audio_responses[1] == FALSE) sendStunRequest(audio_socks[1], (struct sockaddr*)&ss, ss_len, 1, FALSE);
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if (call->params.has_video) {
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if (video_responses[0] == FALSE) sendStunRequest(video_socks[0], (struct sockaddr*)&ss, ss_len, 2, FALSE);
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if (video_responses[1] == FALSE) sendStunRequest(video_socks[1], (struct sockaddr*)&ss, ss_len, 2, FALSE);
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if ((audio_gatherings[0].response == FALSE) && timercmp(&cur, &audio_gatherings[0].transmission_time, >=)) {
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timeradd(&audio_gatherings[0].transmission_time, &diff, &audio_gatherings[0].transmission_time);
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sendStunRequest(audio_gatherings[0].sock, (struct sockaddr*)&ss, ss_len, 1, FALSE);
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}
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if ((audio_gatherings[1].response == FALSE) && timercmp(&cur, &audio_gatherings[1].transmission_time, >=)) {
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timeradd(&audio_gatherings[1].transmission_time, &diff, &audio_gatherings[1].transmission_time);
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sendStunRequest(audio_gatherings[1].sock, (struct sockaddr*)&ss, ss_len, 1, FALSE);
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}
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if (call->params.has_video) {
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if ((video_gatherings[0].response == FALSE) && timercmp(&cur, &video_gatherings[0].transmission_time, >=)) {
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timeradd(&video_gatherings[0].transmission_time, &diff, &video_gatherings[0].transmission_time);
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sendStunRequest(video_gatherings[0].sock, (struct sockaddr*)&ss, ss_len, 2, FALSE);
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}
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if ((video_gatherings[1].response == FALSE) && timercmp(&cur, &video_gatherings[1].transmission_time, >=)) {
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timeradd(&video_gatherings[1].transmission_time, &diff, &video_gatherings[1].transmission_time);
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sendStunRequest(video_gatherings[1].sock, (struct sockaddr*)&ss, ss_len, 2, FALSE);
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}
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}
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#ifdef WIN32
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@ -645,22 +663,22 @@ void linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call)
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usleep(10000);
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#endif
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if (recvStunResponse(audio_socks[0], addr, &port, &id) > 0) {
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ice_add_local_candidate(audio_check_list, "srflx", addr, port, 1, audio_ice_bases[0]);
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audio_responses[0] = TRUE;
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if (recvStunResponse(audio_gatherings[0].sock, addr, &port, &id) > 0) {
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ice_add_local_candidate(audio_check_list, "srflx", addr, port, 1, audio_gatherings[0].base);
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audio_gatherings[0].response = TRUE;
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}
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if (recvStunResponse(audio_socks[1], addr, &port, &id) > 0) {
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ice_add_local_candidate(audio_check_list, "srflx", addr, port, 2, audio_ice_bases[1]);
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audio_responses[1] = TRUE;
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if (recvStunResponse(audio_gatherings[1].sock, addr, &port, &id) > 0) {
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ice_add_local_candidate(audio_check_list, "srflx", addr, port, 2, audio_gatherings[1].base);
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audio_gatherings[1].response = TRUE;
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}
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if (call->params.has_video && (video_check_list != NULL)) {
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if (recvStunResponse(video_socks[0], addr, &port, &id) > 0) {
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ice_add_local_candidate(video_check_list, "srflx", addr, port, 1, video_ice_bases[0]);
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video_responses[0] = TRUE;
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if (recvStunResponse(video_gatherings[0].sock, addr, &port, &id) > 0) {
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ice_add_local_candidate(video_check_list, "srflx", addr, port, 1, video_gatherings[0].base);
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video_gatherings[0].response = TRUE;
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}
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if (recvStunResponse(video_socks[1], addr, &port, &id) > 0) {
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ice_add_local_candidate(video_check_list, "srflx", addr, port, 2, video_ice_bases[1]);
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video_responses[1] = TRUE;
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if (recvStunResponse(video_gatherings[1].sock, addr, &port, &id) > 0) {
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ice_add_local_candidate(video_check_list, "srflx", addr, port, 2, video_gatherings[1].base);
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video_gatherings[1].response = TRUE;
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}
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}
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@ -671,19 +689,19 @@ void linphone_core_gather_ice_candidates(LinphoneCore *lc, LinphoneCall *call)
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break;
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}
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loops++;
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} while (!((audio_responses[0] == TRUE) && (audio_responses[1] == TRUE)
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&& (!call->params.has_video || ((video_responses[0] == TRUE) && (video_responses[1] == TRUE)))));
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} while (!((audio_gatherings[0].response == TRUE) && (audio_gatherings[1].response == TRUE)
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&& (!call->params.has_video || ((video_gatherings[0].response == TRUE) && (video_gatherings[1].response == TRUE)))));
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ice_session_compute_candidates_foundations(ice_session);
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ice_session_eliminate_redundant_candidates(ice_session);
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ice_session_choose_default_candidates(ice_session);
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close_socket(audio_socks[0]);
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close_socket(audio_socks[1]);
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close_socket(audio_gatherings[0].sock);
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close_socket(audio_gatherings[1].sock);
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ice_dump_candidates(audio_check_list);
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if (call->params.has_video && (video_check_list != NULL)) {
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if (video_socks[0] != -1) close_socket(video_socks[0]);
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if (video_socks[1] != -1) close_socket(video_socks[1]);
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if (video_gatherings[0].sock != -1) close_socket(video_gatherings[0].sock);
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if (video_gatherings[1].sock != -1) close_socket(video_gatherings[1].sock);
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ice_dump_candidates(video_check_list);
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}
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}
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