/*----------------------------------------------------------------------
| PLT_SsdpListenTask::DoInit
+---------------------------------------------------------------------*/
void
PLT_SsdpListenTask::DoInit()
{
if (m_Multicast) {
if (m_JoinHard) {
NPT_List<NPT_IpAddress> ips;
PLT_UPnPMessageHelper::GetIPAddresses(ips);
/* Join multicast group for every ip we found */
ips.Apply(PLT_SsdpInitMulticastIterator((NPT_UdpMulticastSocket*)m_Socket));
} else {
NPT_IpAddress addr;
addr.ResolveName("239.255.255.250");
((NPT_UdpMulticastSocket*)m_Socket)->JoinGroup(addr, NPT_IpAddress::Any);
}
}
}
void FrontEnd::broadcastLocked(DeviceImplInfo *deviceInfo, bool avail)
{
NPT_TimeStamp ts;
NPT_System::GetCurrentTimeStamp(ts);
NPT_List<MatchContext*> matchList;
if (deviceInfo) {
deviceInfo->m_updateTS = ts;
MatchContext *matchContext = new MatchContext();
if (deviceInfo->m_deviceImpl->match("ssdp:all", matchContext->matches)) {
matchList.Add(matchContext);
matchContext->deviceUuid = deviceInfo->m_deviceImpl->uuid();
matchContext->expireSeconds = deviceInfo->m_deviceImpl->m_expireSeconds;
matchContext->descPath = deviceInfo->m_deviceImpl->m_descPath;
matchContext->httpRoot = deviceInfo->m_context.m_httpRoot;
} else {
delete matchContext;
}
} else {
for (NPT_Ordinal i = 0; i < m_deviceImplList.GetItemCount(); i++) {
NPT_List<DeviceImplInfo*>::Iterator it = m_deviceImplList.GetItem(i);
DeviceImplInfo *info = *it;
info->m_updateTS = ts;
MatchContext *matchContext = new MatchContext();
if (info->m_deviceImpl->match("ssdp:all", matchContext->matches)) {
matchList.Add(matchContext);
matchContext->deviceUuid = info->m_deviceImpl->uuid();
matchContext->expireSeconds = info->m_deviceImpl->m_expireSeconds;
matchContext->descPath = info->m_deviceImpl->m_descPath;
matchContext->httpRoot = info->m_context.m_httpRoot;
} else {
delete matchContext;
}
}
}
NPT_SocketAddress targetAddr(NPT_IpAddress(239, 255, 255, 250), 1900);
for (NPT_Ordinal i = 0; i < m_ifList.GetItemCount(); i++) {
Interface *nif = *m_ifList.GetItem(i);
NPT_UdpSocket sock(NPT_SOCKET_FLAG_CANCELLABLE);
sock.Bind(NPT_SocketAddress(nif->m_context.m_ifAddr, 0));
for (NPT_Ordinal j = 0; j < matchList.GetItemCount(); j++) {
MatchContext *matchContext = *matchList.GetItem(j);
NPT_String location = NPT_String::Format("http://%s:%d%s%s", nif->m_context.m_ifAddr.ToString().GetChars(), nif->m_context.m_httpPort, matchContext->httpRoot.GetChars(), matchContext->descPath.GetChars());
for (NPT_Ordinal k = 0; k < matchContext->matches.GetItemCount(); k++) {
NPT_List<DeviceImplMatch>::Iterator it2 = matchContext->matches.GetItem(k);
NPT_String msg;
if (avail) {
//msg = NPT_String::Format("NOTIFY * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nCACHE-CONTROL: max-age=%d\r\nLOCATION: %s\r\nNT: %s\r\nNTS: ssdp:alive\r\nSERVER: %s\r\nUSN: %s\r\n\r\n",
// matchContext->expireSeconds, location.GetChars(), it2->m_st.GetChars(), m_serverHeader.GetChars(), it2->m_usn.GetChars());
msg = NPT_String::Format("NOTIFY * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nCACHE-CONTROL: max-age=%d\r\nLOCATION: %s\r\nNT: %s\r\nNTS: ssdp:alive\r\nSERVER: %s\r\nUSN: %s\r\nCUSTOM:%s\r\n\r\n",
matchContext->expireSeconds, location.GetChars(), it2->m_st.GetChars(), m_serverHeader.GetChars(), it2->m_usn.GetChars(), m_DevName.GetChars());
} else {
msg = NPT_String::Format("NOTIFY * HTTP/1.1\r\nHOST: 239.255.255.250:1900\r\nNT: %s\r\nNTS: ssdp:byebye\r\nUSN: %s\r\nCUSTOM:%s\r\n\r\n",
it2->m_st.GetChars(), it2->m_usn.GetChars(), m_DevName.GetChars());
}
NPT_DataBuffer packet(msg.GetChars(), msg.GetLength(), false);
sock.Send(packet, &targetAddr);
}
}
}
matchList.Apply(NPT_ObjectDeleter<MatchContext>());
}
void FrontEnd::processSsdpSearch(SsdpServerTask *task, Interface *intf, const NPT_DataBuffer& data, const NPT_SocketAddress& fromAddr)
{
do {
NPT_HttpRequest *req;
NPT_InputStreamReference inputStream0(new NPT_MemoryStream(data.GetData(), data.GetDataSize()));
NPT_BufferedInputStream inputStream(inputStream0);
if (NPT_FAILED(NPT_HttpRequest::Parse(inputStream, NULL, req))) {
break;
}
PtrHolder<NPT_HttpRequest> req1(req);
if (req->GetMethod().Compare("M-SEARCH") != 0 || req->GetProtocol().Compare(NPT_HTTP_PROTOCOL_1_1) != 0 || req->GetUrl().GetPath().Compare("*") != 0) {
break;
}
NPT_HttpHeader *hdrMan = req->GetHeaders().GetHeader("MAN");
if (!hdrMan || hdrMan->GetValue().Compare("\"ssdp:discover\"") != 0) {
break;
}
NPT_HttpHeader *hdrHost = req->GetHeaders().GetHeader("HOST");
if (!hdrHost || (hdrHost->GetValue().Compare("239.255.255.250:1900") != 0 && hdrHost->GetValue().Compare("239.255.255.250") != 0)) {
break;
}
int mx;
NPT_HttpHeader *hdrMX = req->GetHeaders().GetHeader("MX");
if (!hdrMX || NPT_FAILED(NPT_ParseInteger(hdrMX->GetValue(), mx)) || mx < 1) {
break;
}
if (mx > 120) {
mx = 120;
}
NPT_HttpHeader *hdrST = req->GetHeaders().GetHeader("ST");
if (!hdrST) {
break;
}
NPT_List<MatchContext*> matchList;
NPT_UdpSocket sock(NPT_SOCKET_FLAG_CANCELLABLE);
sock.Bind(NPT_SocketAddress(intf->m_context.m_ifAddr, 0));
NPT_SharedVariable waitVar;
waitVar.SetValue(0);
{
ReadLocker locker(m_dsLock);
for (NPT_Ordinal i = 0; i < m_deviceImplList.GetItemCount(); i++) {
NPT_List<DeviceImplInfo*>::Iterator it = m_deviceImplList.GetItem(i);
DeviceImplInfo *info = *it;
MatchContext *matchContext = new MatchContext();
if (info->m_deviceImpl->match(hdrST->GetValue(), matchContext->matches)) {
matchList.Add(matchContext);
matchContext->deviceUuid = info->m_deviceImpl->uuid();
matchContext->expireSeconds = info->m_deviceImpl->m_expireSeconds;
matchContext->descPath = info->m_deviceImpl->m_descPath;
matchContext->httpRoot = info->m_context.m_httpRoot;
} else {
delete matchContext;
}
}
}
SsdpSearchAbortCallback abortCallback(&sock, &waitVar);
if (task->registerAbortCallback(&abortCallback)) {
for (NPT_Ordinal i = 0; i < matchList.GetItemCount(); i++) {
MatchContext *matchContext = *matchList.GetItem(i);
NPT_String location = NPT_String::Format("http://%s:%d%s%s", intf->m_context.m_ifAddr.ToString().GetChars(), intf->m_context.m_httpPort, matchContext->httpRoot.GetChars(), matchContext->descPath.GetChars());
bool broken = false;
for (NPT_Ordinal j = 0; j < matchContext->matches.GetItemCount(); j++) {
NPT_List<DeviceImplMatch>::Iterator it2 = matchContext->matches.GetItem(j);
NPT_Timeout timeout = NPT_System::GetRandomInteger() % (mx * 1000);
// TODO: wait or not ???
timeout = 0;
if (NPT_SUCCEEDED(waitVar.WaitWhileEquals(0, timeout))) {
break;
}
{
ReadLocker locker(m_dsLock);
if (m_deviceImplIndex.HasKey(matchContext->deviceUuid)) {
NPT_TimeStamp ts;
NPT_System::GetCurrentTimeStamp(ts);
NPT_String dateStr = NPT_DateTime(ts).ToString(NPT_DateTime::FORMAT_RFC_1123);
NPT_String resp = NPT_String::Format("HTTP/1.1 200 OK\r\nCACHE-CONTROL: max-age=%d\r\nDATE: %s\r\nEXT: \r\nLOCATION: %s\r\nSERVER: %s\r\nST: %s\r\nUSN: %s\r\nCUSTOM:%s\r\n\r\n",
matchContext->expireSeconds, dateStr.GetChars(), location.GetChars(), m_serverHeader.GetChars(), it2->m_st.GetChars(), it2->m_usn.GetChars(), m_DevName.GetChars());
NPT_DataBuffer packet(resp.GetChars(), resp.GetLength(), false);
sock.Send(packet, &fromAddr);
}
}
}
if (broken) {
break;
}
}
task->unregisterAbortCallback(&abortCallback);
}
matchList.Apply(NPT_ObjectDeleter<MatchContext>());
} while (false);
}
