void
SIPCall::hangup(int reason)
{
// Stop all RTP streams
stopAllMedia();
if (not inv or not inv->dlg) {
removeCall();
throw VoipLinkException("No invite session for this call");
}
pjsip_route_hdr *route = inv->dlg->route_set.next;
while (route and route != &inv->dlg->route_set) {
char buf[1024];
int printed = pjsip_hdr_print_on(route, buf, sizeof(buf));
if (printed >= 0) {
buf[printed] = '\0';
RING_DBG("[call:%s] Route header %s", getCallId().c_str(), buf);
}
route = route->next;
}
const int status = reason ? reason :
inv->state <= PJSIP_INV_STATE_EARLY and inv->role != PJSIP_ROLE_UAC ?
PJSIP_SC_CALL_TSX_DOES_NOT_EXIST :
inv->state >= PJSIP_INV_STATE_DISCONNECTED ? PJSIP_SC_DECLINE : 0;
// Notify the peer
terminateSipSession(status);
setState(Call::ConnectionState::DISCONNECTED, reason);
removeCall();
}
bool
SIPCall::startIce()
{
if (not iceTransport_ or iceTransport_->isFailed())
return false;
if (iceTransport_->isStarted()) {
RING_DBG("[call:%s] ICE already started", getCallId().c_str());
return true;
}
auto rem_ice_attrs = sdp_->getIceAttributes();
if (rem_ice_attrs.ufrag.empty() or rem_ice_attrs.pwd.empty()) {
RING_ERR("[call:%s] ICE empty attributes", getCallId().c_str());
return false;
}
return iceTransport_->start(rem_ice_attrs, getAllRemoteCandidates());
}
void
SIPCall::sendSIPInfo(const char *const body, const char *const subtype)
{
if (not inv or not inv->dlg)
throw VoipLinkException("Couldn't get invite dialog");
pj_str_t methodName = CONST_PJ_STR("INFO");
pjsip_method method;
pjsip_method_init_np(&method, &methodName);
/* Create request message. */
pjsip_tx_data *tdata;
if (pjsip_dlg_create_request(inv->dlg, &method, -1, &tdata) != PJ_SUCCESS) {
RING_ERR("[call:%s] Could not create dialog", getCallId().c_str());
return;
}
/* Create "application/<subtype>" message body. */
pj_str_t content;
pj_cstr(&content, body);
const pj_str_t type = CONST_PJ_STR("application");
pj_str_t pj_subtype;
pj_cstr(&pj_subtype, subtype);
tdata->msg->body = pjsip_msg_body_create(tdata->pool, &type, &pj_subtype, &content);
if (tdata->msg->body == NULL)
pjsip_tx_data_dec_ref(tdata);
else
pjsip_dlg_send_request(inv->dlg, tdata, getSIPVoIPLink()->getModId(), NULL);
}
void Connection::fireSipXEvent(SIPX_CALLSTATE_EVENT eventCode, SIPX_CALLSTATE_CAUSE causeCode, void* pEventData)
{
UtlString callId ;
UtlString remoteAddress ;
SipSession session ;
UtlBoolean bDuplicateAudio =
( eventCode == CALLSTATE_AUDIO_EVENT
&& causeCode == m_eLastAudioMinor) ? TRUE : FALSE;
// Avoid sending duplicate events
if (( (eventCode != m_eLastMajor)
|| (causeCode != m_eLastMinor))
&& validStateTransition(m_eLastMajor, eventCode)
&& !bDuplicateAudio)
{
if (eventCode != CALLSTATE_AUDIO_EVENT)
{
m_eLastMajor = eventCode;
m_eLastMinor = causeCode;
}
else
{
m_eLastAudioMajor = eventCode;
m_eLastAudioMinor = causeCode;
}
getCallId(&callId) ;
getRemoteAddress(&remoteAddress);
getSession(session) ;
TapiMgr::getInstance().fireCallEvent(mpCallManager, callId.data(), &session, remoteAddress.data(), eventCode, causeCode, pEventData) ;
}
}
void SIPTest::testSimpleIncomingIpCall()
{
pthread_t thethread;
// command to be executed by the thread, user agent client which initiate a call and hangup
std::string command("sipp -sn uac 127.0.0.1 -i 127.0.0.1 -p 5062 -m 1i -bg");
int rc = pthread_create(&thethread, NULL, sippThread, &command);
if (rc)
std::cout << "SIPTest: RING_ERR; return code from pthread_create()" << std::endl;
// sleep a while to make sure that sipp insdtance is initialized and dring received
// the incoming invite.
sleep(2);
CPPUNIT_ASSERT(Manager::instance().callFactory.callCount<SIPCall>() == 1);
// Answer this call
const auto& calls = Manager::instance().callFactory.getAllCalls<SIPCall>();
const auto call = *calls.cbegin();
CPPUNIT_ASSERT(Manager::instance().answerCall(call->getCallId()));
sleep(1);
rc = pthread_join(thethread, NULL);
if (rc)
std::cout << "SIPTest: RING_ERR; return code from pthread_join(): " << rc << std::endl;
else
std::cout << "SIPTest: completed join with thread" << std::endl;
}
/*
* Messages are in JSON, formatted like:
* {
* "id": 1,
* "method": "Debugger.removeBreakpoint",
* "params": { "removeBreakpoint": "xyz" }
* }
*/
void route(std::string message) {
try {
auto json = parseJson(message);
auto callId = getCallId(json);
receive(callId, std::move(message), std::move(json));
} catch (const InspectorException& e) {
channel_->sendMessage(e.error());
}
}
void
SIPCall::answer()
{
auto& account = getSIPAccount();
if (not inv)
throw VoipLinkException("No invite session for this call");
if (!inv->neg) {
RING_WARN("[call:%s] Negotiator is NULL, we've received an INVITE without an SDP",
getCallId().c_str());
pjmedia_sdp_session *dummy = 0;
getSIPVoIPLink()->createSDPOffer(inv.get(), &dummy);
if (account.isStunEnabled())
updateSDPFromSTUN();
}
pj_str_t contact(account.getContactHeader(transport_ ? transport_->get() : nullptr));
setContactHeader(&contact);
pjsip_tx_data *tdata;
if (!inv->last_answer)
throw std::runtime_error("Should only be called for initial answer");
// answer with SDP if no SDP was given in initial invite (i.e. inv->neg is NULL)
if (pjsip_inv_answer(inv.get(), PJSIP_SC_OK, NULL, !inv->neg ? sdp_->getLocalSdpSession() : NULL, &tdata) != PJ_SUCCESS)
throw std::runtime_error("Could not init invite request answer (200 OK)");
// contactStr must stay in scope as long as tdata
if (contactHeader_.slen) {
RING_DBG("[call:%s] Answering with contact header: %.*s",
getCallId().c_str(), (int)contactHeader_.slen, contactHeader_.ptr);
sip_utils::addContactHeader(&contactHeader_, tdata);
}
if (pjsip_inv_send_msg(inv.get(), tdata) != PJ_SUCCESS) {
inv.reset();
throw std::runtime_error("Could not send invite request answer (200 OK)");
}
setState(CallState::ACTIVE, ConnectionState::CONNECTED);
}
int
SIPCall::SIPSessionReinvite()
{
// Do nothing if no invitation processed yet
if (not inv or inv->invite_tsx)
return PJ_SUCCESS;
RING_DBG("[call:%s] Processing reINVITE (state=%s)", getCallId().c_str(),
pjsip_inv_state_name(inv->state));
// Generate new ports to receive the new media stream
// LibAV doesn't discriminate SSRCs and will be confused about Seq changes on a given port
generateMediaPorts();
sdp_->clearIce();
auto& acc = getSIPAccount();
if (not sdp_->createOffer(acc.getActiveAccountCodecInfoList(MEDIA_AUDIO),
acc.getActiveAccountCodecInfoList(acc.isVideoEnabled() ? MEDIA_VIDEO : MEDIA_NONE),
acc.getSrtpKeyExchange(),
getState() == CallState::HOLD))
return !PJ_SUCCESS;
if (initIceTransport(true))
setupLocalSDPFromIce();
pjsip_tx_data* tdata;
auto local_sdp = sdp_->getLocalSdpSession();
auto result = pjsip_inv_reinvite(inv.get(), nullptr, local_sdp, &tdata);
if (result == PJ_SUCCESS) {
if (!tdata)
return PJ_SUCCESS;
result = pjsip_inv_send_msg(inv.get(), tdata);
if (result == PJ_SUCCESS)
return PJ_SUCCESS;
RING_ERR("[call:%s] Failed to send REINVITE msg (pjsip: %s)", getCallId().c_str(),
sip_utils::sip_strerror(result).c_str());
// Canceling internals without sending (anyways the send has just failed!)
pjsip_inv_cancel_reinvite(inv.get(), &tdata);
} else
RING_ERR("[call:%s] Failed to create REINVITE msg (pjsip: %s)", getCallId().c_str(),
sip_utils::sip_strerror(result).c_str());
return !PJ_SUCCESS;
}
void DialingSipConnectionState::handleStateEntry(StateEnum previousState, const StateTransitionMemory* pTransitionMemory)
{
StateTransitionEventDispatcher eventDispatcher(m_rSipConnectionEventSink, pTransitionMemory);
eventDispatcher.dispatchEvent(getCurrentState());
notifyConnectionStateObservers();
OsSysLog::add(FAC_CP, PRI_DEBUG, "Entry dialing connection state from state: %d, sip call-id: %s\r\n",
(int)previousState, getCallId().data());
}
void
SIPCall::setupLocalSDPFromIce()
{
if (not iceTransport_) {
RING_WARN("[call:%s] null icetransport, no attributes added to SDP", getCallId().c_str());
return;
}
if (waitForIceInitialization(DEFAULT_ICE_INIT_TIMEOUT) <= 0) {
RING_ERR("[call:%s] Local ICE init failed", getCallId().c_str());
return;
}
sdp_->addIceAttributes(iceTransport_->getLocalAttributes());
// Add video and audio channels
sdp_->addIceCandidates(SDP_AUDIO_MEDIA_ID, iceTransport_->getLocalCandidates(ICE_AUDIO_RTP_COMPID));
sdp_->addIceCandidates(SDP_AUDIO_MEDIA_ID, iceTransport_->getLocalCandidates(ICE_AUDIO_RTCP_COMPID));
#ifdef RING_VIDEO
sdp_->addIceCandidates(SDP_VIDEO_MEDIA_ID, iceTransport_->getLocalCandidates(ICE_VIDEO_RTP_COMPID));
sdp_->addIceCandidates(SDP_VIDEO_MEDIA_ID, iceTransport_->getLocalCandidates(ICE_VIDEO_RTCP_COMPID));
#endif
}
void
SIPCall::terminateSipSession(int status)
{
if (inv and inv->state != PJSIP_INV_STATE_DISCONNECTED) {
RING_DBG("[call:%s] Terminate SIP session", getCallId().c_str());
pjsip_tx_data* tdata = nullptr;
auto ret = pjsip_inv_end_session(inv.get(), status, nullptr, &tdata);
if (ret == PJ_SUCCESS) {
if (tdata) {
auto contact = getSIPAccount().getContactHeader(transport_ ? transport_->get() : nullptr);
sip_utils::addContactHeader(&contact, tdata);
ret = pjsip_inv_send_msg(inv.get(), tdata);
if (ret != PJ_SUCCESS)
RING_ERR("[call:%s] failed to send terminate msg, SIP error (%s)",
getCallId().c_str(), sip_utils::sip_strerror(ret).c_str());
}
} else
RING_ERR("[call:%s] failed to terminate INVITE@%p, SIP error (%s)",
getCallId().c_str(), inv.get(), sip_utils::sip_strerror(ret).c_str());
}
inv.reset();
}
bool
SIPCall::onhold()
{
if (not setState(CallState::HOLD))
return false;
stopAllMedia();
if (getConnectionState() == ConnectionState::CONNECTED) {
if (SIPSessionReinvite() != PJ_SUCCESS)
RING_WARN("[call:%s] Reinvite failed", getCallId().c_str());
}
return true;
}
SipDialog::~SipDialog() {
DR_LOG(log_debug) << "SipDialog::~SipDialog - destroying sip dialog with call-id " << getCallId() ;
if( NULL != m_timerSessionRefresh ) {
cancelSessionTimer() ;
assert( m_ppSelf ) ;
}
if( m_ppSelf ) {
delete m_ppSelf ;
}
nta_leg_t *leg = nta_leg_by_call_id( theOneAndOnlyController->getAgent(), getCallId().c_str() );
assert( leg ) ;
if( leg ) {
nta_leg_destroy( leg ) ;
}
}
void
SIPCall::transfer(const std::string& to)
{
auto& account = getSIPAccount();
stopRecording();
std::string toUri;
pj_str_t dst = { 0, 0 };
toUri = account.getToUri(to);
pj_cstr(&dst, toUri.c_str());
RING_DBG("[call:%s] Transferring to %.*s", getCallId().c_str(), (int)dst.slen, dst.ptr);
if (!transferCommon(&dst))
throw VoipLinkException("Couldn't transfer");
}
bool
SIPCall::internalOffHold(const std::function<void()>& sdp_cb)
{
if (not setState(CallState::ACTIVE))
return false;
sdp_cb();
if (getConnectionState() == ConnectionState::CONNECTED) {
if (SIPSessionReinvite() != PJ_SUCCESS) {
RING_WARN("[call:%s] resuming hold", getCallId().c_str());
onhold();
return false;
}
}
return true;
}
bool
SIPCall::offhold()
{
bool success = false;
auto& account = getSIPAccount();
try {
if (account.isStunEnabled())
success = internalOffHold([&] { updateSDPFromSTUN(); });
else
success = internalOffHold([] {});
} catch (const SdpException &e) {
RING_ERR("[call:%s] %s", getCallId().c_str(), e.what());
throw VoipLinkException("SDP issue in offhold");
}
return success;
}
std::vector<IceCandidate>
SIPCall::getAllRemoteCandidates()
{
std::vector<IceCandidate> rem_candidates;
auto addSDPCandidates = [this](unsigned sdpMediaId,
std::vector<IceCandidate>& out) {
IceCandidate cand;
for (auto& line : sdp_->getIceCandidates(sdpMediaId)) {
if (iceTransport_->getCandidateFromSDP(line, cand)) {
RING_DBG("[call:%s] add remote ICE candidate: %s", getCallId().c_str(), line.c_str());
out.emplace_back(cand);
}
}
};
addSDPCandidates(SDP_AUDIO_MEDIA_ID, rem_candidates);
#ifdef RING_VIDEO
addSDPCandidates(SDP_VIDEO_MEDIA_ID, rem_candidates);
#endif
return rem_candidates;
}
static int
EndMediaSession(struct sip_msg* msg, char* str1, char* str2)
{
char *command, *result;
str callId;
if (!getCallId(msg, &callId)) {
LOG(L_ERR, "error: end_media_session(): can't get Call-Id\n");
return -1;
}
command = pkg_malloc(callId.len + 20);
if (command == NULL) {
LOG(L_ERR, "error: end_media_session(): out of memory\n");
return -1;
}
sprintf(command, "delete %.*s info=\n", callId.len, callId.s);
result = sendMediaproxyCommand(command);
pkg_free(command);
return result==NULL ? -1 : 1;
}
static int
UseMediaProxy(struct sip_msg* msg, char* str1, char* str2)
{
str sdp, sessionIP, signalingIP, callId, userAgent, tokens[64];
str fromDomain, toDomain, fromAddr, toAddr, fromTag, toTag, domain;
char *ptr, *command, *result, *agent, *fromType, *toType, *info;
int streamCount, i, port, count, portCount, cmdlen, infolen, status;
StreamInfo streams[64], stream;
Bool request;
if (msg->first_line.type == SIP_REQUEST) {
request = True;
} else if (msg->first_line.type == SIP_REPLY) {
request = False;
} else {
return -1;
}
if (!getCallId(msg, &callId)) {
LM_ERR("can't get Call-Id\n");
return -1;
}
status = getSDPMessage(msg, &sdp);
// status = -1 is error, -2 is missing SDP body
if (status < 0)
return status;
if (!getSessionLevelMediaIP(&sdp, &sessionIP)) {
LM_ERR("failed to parse the SDP message\n");
return -1;
}
streamCount = getMediaStreams(&sdp, &sessionIP, streams, 64);
if (streamCount == -1) {
LM_ERR("can't extract media streams from the SDP message\n");
return -1;
}
if (streamCount == 0)
return 1; // there are no media streams. we have nothing to do.
fromDomain = getFromDomain(msg);
fromType = (isFromLocal(msg, NULL, NULL)>0) ? "local" : "remote";
fromAddr = getFromAddress(msg);
toAddr = getToAddress(msg);
fromTag = getFromTag(msg);
toTag = getToTag(msg);
userAgent = getUserAgent(msg);
if (request) {
toDomain = getDestinationDomain(msg); // call only for requests
toType = (isDestinationLocal(msg, NULL, NULL)>0) ? "local" : "remote";
} else {
toDomain.s = "unknown";
toDomain.len = 7;
toType = "unknown";
}
signalingIP = getSignalingIP(msg);
domain = getMediaproxyDomain(msg);
infolen = fromAddr.len + toAddr.len + fromTag.len + toTag.len +
domain.len + 64;
cmdlen = callId.len + signalingIP.len + fromDomain.len + toDomain.len +
userAgent.len*3 + infolen + 128;
for (i=0; i<streamCount; i++) {
stream = streams[i];
cmdlen += stream.ip.len + stream.port.len + stream.type.len + 4;
}
command = pkg_malloc(cmdlen);
if (!command) {
LM_ERR("out of memory\n");
return -1;
}
if (request)
count = sprintf(command, "request %.*s", callId.len, callId.s);
else
count = sprintf(command, "lookup %.*s", callId.len, callId.s);
for (i=0, ptr=command+count; i<streamCount; i++) {
char c = (i==0 ? ' ' : ',');
count = sprintf(ptr, "%c%.*s:%.*s:%.*s", c,
streams[i].ip.len, streams[i].ip.s,
streams[i].port.len, streams[i].port.s,
streams[i].type.len, streams[i].type.s);
ptr += count;
}
agent = encodeQuopri(userAgent);
if (!agent) {
LM_ERR("out of memory\n");
pkg_free(command);
return -1;
}
info = pkg_malloc(infolen);
if (!info) {
LM_ERR("out of memory\n");
pkg_free(command);
pkg_free(agent);
return -1;
}
sprintf(info, "from:%.*s,to:%.*s,fromtag:%.*s,totag:%.*s",
fromAddr.len, fromAddr.s, toAddr.len, toAddr.s,
fromTag.len, fromTag.s, toTag.len, toTag.s);
if (domain.len) {
strcat(info, ",domain:");
strncat(info, domain.s, domain.len);
}
if (isRTPAsymmetric(userAgent)) {
strcat(info, ",asymmetric");
}
snprintf(ptr, command + cmdlen - ptr, " %.*s %.*s %s %.*s %s %s info=%s\n",
signalingIP.len, signalingIP.s, fromDomain.len, fromDomain.s,
fromType, toDomain.len, toDomain.s, toType, agent, info);
pkg_free(info);
pkg_free(agent);
result = sendMediaproxyCommand(command);
pkg_free(command);
if (result == NULL)
return -1;
count = getTokens(result, tokens, sizeof(tokens)/sizeof(str));
if (count == 0) {
LM_ERR("empty response from mediaproxy\n");
return -1;
} else if (count<streamCount+1) {
if (request) {
LM_ERR("insufficient ports returned from mediaproxy: got %d, "
"expected %d\n", count-1, streamCount);
return -1;
} else {
LM_WARN("broken client. Called UA added extra media stream(s) "
"in the OK reply\n");
}
}
if (sessionIP.s && !isAnyAddress(sessionIP)) {
if (!replaceElement(msg, &sessionIP, &tokens[0])) {
LM_ERR("failed to replace session-level media IP in the SDP body\n");
return -1;
}
}
portCount = min(count-1, streamCount);
for (i=0; i<portCount; i++) {
// check. is this really necessary?
port = strtoint(&tokens[i+1]);
if (port <= 0 || port > 65535) {
LM_ERR("invalid port returned by mediaproxy: %.*s\n",
tokens[i+1].len, tokens[i+1].s);
//return -1;
continue;
}
if (streams[i].port.len!=1 || streams[i].port.s[0]!='0') {
if (!replaceElement(msg, &(streams[i].port), &tokens[i+1])) {
LM_ERR("failed to replace port in media stream number %d\n", i+1);
return -1;
}
}
if (streams[i].localIP && !isAnyAddress(streams[i].ip)) {
if (!replaceElement(msg, &(streams[i].ip), &tokens[0])) {
LM_ERR("failed to replace IP address in media stream number %d\n", i+1);
return -1;
}
}
}
return 1;
}
void SipDialog::doSessionTimerHandling() {
bool bWeAreRefresher = areWeRefresher() ;
if( bWeAreRefresher ) {
//TODO: send a refreshing reINVITE, and notify the client
DR_LOG(log_debug) << "SipDialog::doSessionTimerHandling - sending refreshing re-INVITE with call-id " << getCallId() ;
theOneAndOnlyController->getDialogController()->notifyRefreshDialog( shared_from_this() ) ;
}
else {
//TODO: tear down the leg, and notify the client
DR_LOG(log_debug) << "SipDialog::doSessionTimerHandling - tearing down sip dialog with call-id " << getCallId()
<< " because remote peer did not refresh the session within the specified interval" ;
theOneAndOnlyController->getDialogController()->notifyTerminateStaleDialog( shared_from_this() ) ;
}
assert( m_ppSelf ) ;
delete m_ppSelf ; m_ppSelf = NULL ; m_timerSessionRefresh = NULL ; m_refresher = no_refresher ; m_nSessionExpiresSecs = 0 ;
}
static int
UseMediaProxy(struct sip_msg* msg, char* str1, char* str2)
{
str sdp, sessionIP, callId, fromDomain, toDomain, userAgent, tokens[64];
str fromAddr, toAddr, fromTag, toTag;
char *clientIP, *ptr, *command, *result, *agent, *fromType, *toType, *info;
int streamCount, i, port, count, portCount, cmdlen, infolen, success, type;
StreamInfo streams[64], stream;
Bool request;
if (msg->first_line.type == SIP_REQUEST) {
if (msg->first_line.u.request.method_value == METHOD_INVITE)
type = MSG_INVITE;
else if (msg->first_line.u.request.method_value == METHOD_ACK)
type = MSG_ACK;
else
type = MSG_UNKNOWN;
} else if (msg->first_line.type == SIP_REPLY) {
type = MSG_REPLY;
} else {
type = MSG_UNKNOWN;
}
if (type==MSG_INVITE || type==MSG_ACK) {
request = True;
} else if (type==MSG_REPLY) {
request = False;
} else {
return -1;
}
if (!getCallId(msg, &callId)) {
LOG(L_ERR, "error: use_media_proxy(): can't get Call-Id\n");
return -1;
}
success = getSDPMessage(msg, &sdp);
if (success==0 && type==MSG_ACK) {
return 1; // nothing to do. it's ok for ACK to not have a SDP body
} else if (success <= 0) {
LOG(L_ERR, "error: use_media_proxy(): failed to get the SDP message\n");
return -1;
}
if (!getSessionLevelMediaIP(&sdp, &sessionIP)) {
LOG(L_ERR, "error: use_media_proxy(): error parsing the SDP message\n");
return -1;
}
streamCount = getMediaStreams(&sdp, &sessionIP, streams, 64);
if (streamCount == -1) {
LOG(L_ERR, "error: use_media_proxy(): can't extract media streams "
"from the SDP message\n");
return -1;
}
if (streamCount == 0) {
// there are no media streams. we have nothing to do.
return 1;
}
fromDomain = getFromDomain(&fromType, msg);
fromAddr = getFromAddress(msg);
toAddr = getToAddress(msg);
fromTag = getFromTag(msg);
toTag = getToTag(msg);
userAgent = getUserAgent(msg);
if (request) {
toDomain = getDestinationDomain(&toType, msg); // call only for requests
} else {
toDomain = getToDomain(&toType, msg);
}
clientIP = ip_addr2a(&msg->rcv.src_ip);
infolen = fromAddr.len + toAddr.len + fromTag.len + toTag.len + 64;
cmdlen = callId.len + strlen(clientIP) + fromDomain.len + toDomain.len +
userAgent.len*3 + infolen + 128;
for (i=0; i<streamCount; i++) {
stream = streams[i];
cmdlen += stream.ip.len + stream.port.len + stream.type.len + 4;
}
command = pkg_malloc(cmdlen);
if (!command) {
LOG(L_ERR, "error: use_media_proxy(): out of memory\n");
return -1;
}
if (request)
count = sprintf(command, "request %.*s", callId.len, callId.s);
else
count = sprintf(command, "lookup %.*s", callId.len, callId.s);
for (i=0, ptr=command+count; i<streamCount; i++) {
char c = (i==0 ? ' ' : ',');
count = sprintf(ptr, "%c%.*s:%.*s:%.*s", c,
streams[i].ip.len, streams[i].ip.s,
streams[i].port.len, streams[i].port.s,
streams[i].type.len, streams[i].type.s);
ptr += count;
}
agent = encodeQuopri(userAgent);
if (!agent) {
LOG(L_ERR, "error: use_media_proxy(): out of memory\n");
pkg_free(command);
return -1;
}
info = pkg_malloc(infolen);
if (!info) {
LOG(L_ERR, "error: use_media_proxy(): out of memory\n");
pkg_free(command);
pkg_free(agent);
return -1;
}
sprintf(info, "from:%.*s,to:%.*s,fromtag:%.*s,totag:%.*s",
fromAddr.len, fromAddr.s, toAddr.len, toAddr.s,
fromTag.len, fromTag.s, toTag.len, toTag.s);
if (isRTPAsymmetric(userAgent)) {
strcat(info, ",asymmetric");
}
snprintf(ptr, command + cmdlen - ptr, " %s %.*s %s %.*s %s %s info=%s\n",
clientIP, fromDomain.len, fromDomain.s, fromType,
toDomain.len, toDomain.s, toType, agent, info);
pkg_free(info);
pkg_free(agent);
result = sendMediaproxyCommand(command);
pkg_free(command);
if (result == NULL)
return -1;
count = getTokens(result, tokens, sizeof(tokens)/sizeof(str));
if (count == 0) {
LOG(L_ERR, "error: use_media_proxy(): empty response from mediaproxy\n");
return -1;
} else if (count<streamCount+1) {
if (request) {
LOG(L_ERR, "error: use_media_proxy(): insufficient ports returned "
"from mediaproxy: got %d, expected %d\n", count-1, streamCount);
return -1;
} else {
LOG(L_WARN, "warning: use_media_proxy(): broken client. Called UA "
"added extra media stream(s) in the OK reply\n");
}
}
if (sessionIP.s && !isAnyAddress(sessionIP)) {
success = replaceElement(msg, &sessionIP, &tokens[0]);
if (!success) {
LOG(L_ERR, "error: use_media_proxy(): failed to replace "
"session-level media IP in SDP body\n");
return -1;
}
}
portCount = min(count-1, streamCount);
for (i=0; i<portCount; i++) {
// check. is this really necessary?
port = strtoint(&tokens[i+1]);
if (port <= 0 || port > 65535) {
LOG(L_ERR, "error: use_media_proxy(): invalid port returned "
"by mediaproxy: %.*s\n", tokens[i+1].len, tokens[i+1].s);
//return -1;
continue;
}
if (streams[i].port.len!=1 || streams[i].port.s[0]!='0') {
success = replaceElement(msg, &(streams[i].port), &tokens[i+1]);
if (!success) {
LOG(L_ERR, "error: use_media_proxy(): failed to replace "
"port in media stream nr. %d\n", i+1);
return -1;
}
}
if (streams[i].localIP && !isAnyAddress(streams[i].ip)) {
success = replaceElement(msg, &(streams[i].ip), &tokens[0]);
if (!success) {
LOG(L_ERR, "error: use_media_proxy(): failed to replace "
"IP address in media stream nr. %d\n", i+1);
return -1;
}
}
}
return 1;
}
/* //////////////////////////// PROTECTED ///////////////////////////////// */
void Connection::postTaoListenerMessage(int state, int newCause, int isLocal)
{
int eventId = PtEvent::EVENT_INVALID;
int termEventId = PtEvent::EVENT_INVALID;
UtlString causeStr;
causeStr.remove(0);
#ifdef TEST_PRINT
Os::Logger::instance().log(FAC_CP, PRI_DEBUG, "Connection::postTaoListenerMessage: "
"Enter- %s state %d cause %d "
"eventid- %d termeventid %d",
(isLocal?"LOCAL":"REMOTE"),
state, newCause,
eventId, termEventId);
#endif
switch(state)
{
case CONNECTION_IDLE:
eventId = PtEvent::CONNECTION_CREATED;
termEventId = PtEvent::TERMINAL_CONNECTION_IDLE;
break;
case CONNECTION_INITIATED:
eventId = PtEvent::CONNECTION_INITIATED;
termEventId = PtEvent::TERMINAL_CONNECTION_CREATED;
break;
case CONNECTION_QUEUED:
eventId = PtEvent::CONNECTION_QUEUED;
termEventId = PtEvent::CONNECTION_CREATED;
break;
case CONNECTION_OFFERING:
eventId = PtEvent::CONNECTION_OFFERED;
break;
case CONNECTION_DIALING:
eventId = PtEvent::CONNECTION_DIALING ;
break;
case CONNECTION_ALERTING:
eventId = PtEvent::CONNECTION_ALERTING;
termEventId = PtEvent::TERMINAL_CONNECTION_RINGING;
break;
case CONNECTION_ESTABLISHED:
eventId = PtEvent::CONNECTION_ESTABLISHED;
termEventId = PtEvent::TERMINAL_CONNECTION_TALKING;
break;
case CONNECTION_FAILED:
eventId = PtEvent::CONNECTION_FAILED;
termEventId = PtEvent::TERMINAL_CONNECTION_DROPPED;
break;
case CONNECTION_DISCONNECTED:
eventId = PtEvent::CONNECTION_DISCONNECTED;
termEventId = PtEvent::TERMINAL_CONNECTION_DROPPED;
break;
case PtEvent::TERMINAL_CONNECTION_HELD:
termEventId = PtEvent::TERMINAL_CONNECTION_HELD;
break;
default:
eventId = PtEvent::CONNECTION_UNKNOWN;
termEventId = PtEvent::TERMINAL_CONNECTION_UNKNOWN;
break;
}
int cause;
switch(newCause)
{
case CONNECTION_CAUSE_UNKNOWN:
cause = PtEvent::CAUSE_UNKNOWN;
causeStr.append("CAUSE_UNKNOWN");
break;
case CONNECTION_CAUSE_REDIRECTED:
cause = PtEvent::CAUSE_REDIRECTED;
causeStr.append("CAUSE_REDIRECTED");
break ;
case CONNECTION_CAUSE_NETWORK_CONGESTION:
cause = PtEvent::CAUSE_NETWORK_CONGESTION;
causeStr.append("CAUSE_NETWORK_CONGESTION");
break;
case CONNECTION_CAUSE_NETWORK_NOT_OBTAINABLE:
cause = PtEvent::CAUSE_NETWORK_NOT_OBTAINABLE;
causeStr.append("CAUSE_NETWORK_NOT_OBTAINABLE");
break;
case CONNECTION_CAUSE_DEST_NOT_OBTAINABLE:
cause = PtEvent::CAUSE_DESTINATION_NOT_OBTAINABLE;
causeStr.append("CAUSE_DESTINATION_NOT_OBTAINABLE");
break;
case CONNECTION_CAUSE_INCOMPATIBLE_DESTINATION:
cause = PtEvent::CAUSE_INCOMPATIBLE_DESTINATION;
causeStr.append("CAUSE_INCOMPATIBLE_DESTINATION");
break;
case CONNECTION_CAUSE_NOT_ALLOWED:
cause = PtEvent::CAUSE_NOT_ALLOWED;
causeStr.append("CAUSE_NOT_ALLOWED");
break;
case CONNECTION_CAUSE_NETWORK_NOT_ALLOWED:
cause = PtEvent::CAUSE_NETWORK_NOT_ALLOWED;
causeStr.append("CAUSE_NETWORK_NOT_ALLOWED");
break;
case CONNECTION_CAUSE_BUSY:
case CONNECTION_CAUSE_SERVICE_UNAVAILABLE:
cause = PtEvent::CAUSE_BUSY;
causeStr.append("CAUSE_BUSY");
break ;
case CONNECTION_CAUSE_CANCELLED:
cause = PtEvent::CAUSE_CALL_CANCELLED;
causeStr.append("CAUSE_CALL_CANCELLED");
break ;
case CONNECTION_CAUSE_TRANSFER:
cause = PtEvent::CAUSE_TRANSFER;
causeStr.append("CAUSE_TRANSFER");
break;
default:
case CONNECTION_CAUSE_NORMAL:
cause = PtEvent::CAUSE_NORMAL;
causeStr.append("CAUSE_NORMAL");
break;
}
int cnt = 0;
if (mpListenerCnt)
cnt = mpListenerCnt->getRef();
if (cnt > 0)
{
TaoObjHandle* pListeners;
pListeners = new TaoObjHandle[cnt];
mpListeners->getActiveObjects(pListeners, cnt);
UtlString callId;
// Use the connection call id first -- followed by call if
// unavailable
getCallId(&callId); // arg[0], callId
if (callId.isNull())
{
mpCall->getCallId(callId);
#ifdef TEST_PRINT
Os::Logger::instance().log(FAC_CP, PRI_DEBUG, "Connection::postTaoListenerMessage: "
"Connection call id not found, "
"Using CpCall Id = %s ",
callId.data());
#endif
}
callId += TAOMESSAGE_DELIMITER + mLocalAddress; // arg[1], localAddress
UtlString remoteAddress;
getRemoteAddress(&remoteAddress, TRUE);
if (remoteAddress.isNull()) // arg[2], remote address
{
callId += TAOMESSAGE_DELIMITER + (UtlString)"UNKNOWN"; // not available yet
}
else
{
callId += TAOMESSAGE_DELIMITER + remoteAddress;
}
char buff[128];
sprintf(buff, "%d", (int)mRemoteIsCallee);
callId += TAOMESSAGE_DELIMITER + UtlString(buff); // arg[3], remoteIsCallee
sprintf(buff, "%d", cause);
callId += TAOMESSAGE_DELIMITER + UtlString(buff); // arg[4], cause
if (mRemoteIsCallee)
{
remoteAddress.insert(0, "foreign-terminal-");
callId += TAOMESSAGE_DELIMITER + remoteAddress; // arg[5], remote terminal name
}
else
{
mpCall->getLocalTerminalId(buff, 127);
callId += TAOMESSAGE_DELIMITER + UtlString(buff); // arg[5], local terminal name
}
if (isLocal) // TAO_OFFER_PARAM_LOCAL_CONNECTION
{
callId += TAOMESSAGE_DELIMITER + "1"; // arg[6], isLocal
}
else
{
callId += TAOMESSAGE_DELIMITER + "0"; // isLocal
}
sprintf(buff, "%d", mResponseCode);
callId += TAOMESSAGE_DELIMITER + UtlString(buff); // arg[7], SIP response code
callId += TAOMESSAGE_DELIMITER + mResponseText; // arg[8], SIP response text
int argCnt = 9;
if(mpCall)
{
int metaEventId = 0;
int metaEventType = PtEvent::META_EVENT_NONE;
int numCalls = 0;
const UtlString* metaEventCallIds = NULL;
mpCall->getMetaEvent(metaEventId, metaEventType, numCalls,
&metaEventCallIds);
if (metaEventId != PtEvent::META_EVENT_NONE)
{
sprintf(buff, "%d", metaEventId);
callId += TAOMESSAGE_DELIMITER + UtlString(buff); // arg[9], meta event id
sprintf(buff, "%d", metaEventType);
callId += TAOMESSAGE_DELIMITER + UtlString(buff); // arg[10], meta code
argCnt += 2;
for (int i = 0; i < numCalls; i++)
{
if (metaEventCallIds && metaEventCallIds[i])
{
callId += TAOMESSAGE_DELIMITER + metaEventCallIds[i]; // meta call ids
argCnt++;
}
}
}
}
TaoMessage msg(TaoMessage::EVENT,
0,
0,
eventId,
0,
argCnt,
callId);
UtlString eventIdStr;
if (eventId != PtEvent::EVENT_INVALID)
{
for (int i = 0; i < cnt; i++) // post connection events
{
((OsServerTask*) pListeners[i])->postMessage((OsMsg&)msg);
}
mpCall->getStateString(eventId, &eventIdStr);
mpCallManager->logCallState(callId.data(), eventIdStr.data(), causeStr);
}
if (termEventId != PtEvent::EVENT_INVALID) // post terminal connection events
{
msg.setObjHandle(termEventId);
for (int i = 0; i < cnt; i++)
{
((OsServerTask*) pListeners[i])->postMessage((OsMsg&)msg);
}
mpCall->getStateString(termEventId, &eventIdStr);
mpCallManager->logCallState(callId.data(), eventIdStr.data(), causeStr);
}
delete[] pListeners;
callId.remove(0);
eventIdStr.remove(0);
remoteAddress.remove(0);
}
#ifdef TEST_PRINT
Os::Logger::instance().log(FAC_CP, PRI_DEBUG, "Connection::postTaoListenerMessage: "
"Leave- %s state %d cause %d "
"eventid- %d termeventid %d",
(isLocal?"LOCAL":"REMOTE"),
state, newCause,
eventId, termEventId);
#endif
causeStr.remove(0);
}
void
SIPCall::updateSDPFromSTUN()
{
RING_WARN("[call:%s] SIPCall::updateSDPFromSTUN() not implemented", getCallId().c_str());
}
void
SIPCall::startAllMedia()
{
if (isSecure() && not transport_->isSecure()) {
RING_ERR("[call:%s] Can't perform secure call over insecure SIP transport",
getCallId().c_str());
onFailure(EPROTONOSUPPORT);
return;
}
auto slots = sdp_->getMediaSlots();
unsigned ice_comp_id = 0;
bool peer_holding {true};
int slotN = -1;
for (const auto& slot : slots) {
++slotN;
const auto& local = slot.first;
const auto& remote = slot.second;
if (local.type != remote.type) {
RING_ERR("[call:%s] [SDP:slot#%u] Inconsistent media types between local and remote",
getCallId().c_str(), slotN);
continue;
}
RtpSession* rtp = local.type == MEDIA_AUDIO
? static_cast<RtpSession*>(avformatrtp_.get())
#ifdef RING_VIDEO
: static_cast<RtpSession*>(&videortp_);
#else
: nullptr;
#endif
if (not rtp)
continue;
if (!local.codec) {
RING_WARN("[call:%s] [SDP:slot#%u] Missing local codec", getCallId().c_str(),
slotN);
continue;
}
if (!remote.codec) {
RING_WARN("[call:%s] [SDP:slot#%u] Missing remote codec", getCallId().c_str(),
slotN);
continue;
}
peer_holding &= remote.holding;
if (isSecure() && (not local.crypto || not remote.crypto)) {
RING_ERR("[call:%s] [SDP:slot#%u] Can't perform secure call over insecure RTP transport",
getCallId().c_str(), slotN);
continue;
}
#ifdef RING_VIDEO
if (local.type == MEDIA_VIDEO)
videortp_.switchInput(videoInput_);
#endif
rtp->updateMedia(remote, local);
if (isIceRunning()) {
rtp->start(newIceSocket(ice_comp_id + 0),
newIceSocket(ice_comp_id + 1));
ice_comp_id += 2;
} else
rtp->start();
switch (local.type) {
#ifdef RING_VIDEO
case MEDIA_VIDEO:
isVideoMuted_ = videoInput_.empty();
break;
#endif
case MEDIA_AUDIO:
isAudioMuted_ = not rtp->isSending();
break;
default: break;
}
}
static void
transfer_client_cb(pjsip_evsub *sub, pjsip_event *event)
{
auto link = getSIPVoIPLink();
if (not link) {
RING_ERR("no more VoIP link");
return;
}
auto mod_ua_id = link->getModId();
switch (pjsip_evsub_get_state(sub)) {
case PJSIP_EVSUB_STATE_ACCEPTED:
if (!event)
return;
pj_assert(event->type == PJSIP_EVENT_TSX_STATE && event->body.tsx_state.type == PJSIP_EVENT_RX_MSG);
break;
case PJSIP_EVSUB_STATE_TERMINATED:
pjsip_evsub_set_mod_data(sub, mod_ua_id, NULL);
break;
case PJSIP_EVSUB_STATE_ACTIVE: {
if (!event)
return;
pjsip_rx_data* r_data = event->body.rx_msg.rdata;
if (!r_data)
return;
std::string request(pjsip_rx_data_get_info(r_data));
pjsip_status_line status_line = { 500, *pjsip_get_status_text(500) };
if (!r_data->msg_info.msg)
return;
if (r_data->msg_info.msg->line.req.method.id == PJSIP_OTHER_METHOD and
request.find("NOTIFY") != std::string::npos) {
pjsip_msg_body *body = r_data->msg_info.msg->body;
if (!body)
return;
if (pj_stricmp2(&body->content_type.type, "message") or
pj_stricmp2(&body->content_type.subtype, "sipfrag"))
return;
if (pjsip_parse_status_line((char*) body->data, body->len, &status_line) != PJ_SUCCESS)
return;
}
if (!r_data->msg_info.cid)
return;
auto call = static_cast<SIPCall *>(pjsip_evsub_get_mod_data(sub, mod_ua_id));
if (!call)
return;
if (status_line.code / 100 == 2) {
if (call->inv)
call->terminateSipSession(PJSIP_SC_GONE);
Manager::instance().hangupCall(call->getCallId());
pjsip_evsub_set_mod_data(sub, mod_ua_id, NULL);
}
break;
}
case PJSIP_EVSUB_STATE_NULL:
case PJSIP_EVSUB_STATE_SENT:
case PJSIP_EVSUB_STATE_PENDING:
case PJSIP_EVSUB_STATE_UNKNOWN:
default:
break;
}
}
