/*----------------------------------------------------------------------
| PLT_SsdpSender::SendSsdp
+---------------------------------------------------------------------*/
NPT_Result
PLT_SsdpSender::SendSsdp(NPT_HttpResponse& response,
const char* usn,
const char* target,
NPT_UdpSocket& socket,
bool notify,
const NPT_SocketAddress* addr /* = NULL */)
{
NPT_CHECK_SEVERE(FormatPacket(response, usn, target, socket, notify));
// logging
NPT_LOG_FINE("Sending SSDP:");
PLT_LOG_HTTP_MESSAGE(NPT_LOG_LEVEL_FINE, &response);
// use a memory stream to write all the data
NPT_MemoryStream stream;
NPT_Result res = response.Emit(stream);
if (NPT_FAILED(res)) return res;
// copy stream into a data packet and send it
NPT_LargeSize size;
stream.GetSize(size);
if (size != (NPT_Size)size) return NPT_ERROR_OUT_OF_RANGE;
NPT_DataBuffer packet(stream.GetData(), (NPT_Size)size);
return socket.Send(packet, addr);
}
/*----------------------------------------------------------------------
| PLT_SsdpSender::SendSsdp
+---------------------------------------------------------------------*/
NPT_Result
PLT_SsdpSender::SendSsdp(NPT_HttpRequest& request,
const char* usn,
const char* target,
NPT_UdpSocket& socket,
bool notify,
const NPT_SocketAddress* addr /* = NULL */)
{
NPT_CHECK_SEVERE(FormatPacket(request, usn, target, socket, notify));
// logging
NPT_String prefix = NPT_String::Format("Sending SSDP %s packet for %s",
(const char*)request.GetMethod(),
usn);
PLT_LOG_HTTP_MESSAGE(NPT_LOG_LEVEL_FINER, prefix, &request);
// use a memory stream to write all the data
NPT_MemoryStream stream;
NPT_Result res = request.Emit(stream);
NPT_CHECK(res);
// copy stream into a data packet and send it
NPT_LargeSize size;
stream.GetSize(size);
if (size != (NPT_Size)size) NPT_CHECK(NPT_ERROR_OUT_OF_RANGE);
NPT_DataBuffer packet(stream.GetData(), (NPT_Size)size);
NPT_CHECK_WARNING(socket.Send(packet, addr));
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_SsdpDeviceSearchResponseInterfaceIterator class
+---------------------------------------------------------------------*/
NPT_Result
PLT_SsdpDeviceSearchResponseInterfaceIterator::operator()(NPT_NetworkInterface*& net_if) const
{
NPT_Result res;
const NPT_SocketAddress* remote_addr = &m_RemoteAddr;
NPT_List<NPT_NetworkInterfaceAddress>::Iterator niaddr =
net_if->GetAddresses().GetFirstItem();
if (!niaddr) return NPT_SUCCESS;
NPT_UdpSocket socket;
// by connecting, the kernel chooses which interface to use to route to the remote
// this is the IP we should use in our Location URL header
if (NPT_FAILED(res = socket.Connect(m_RemoteAddr, 5000))) {
return res;
}
NPT_SocketInfo info;
socket.GetInfo(info);
// did we successfully connect and found out which interface is used?
if (info.local_address.GetIpAddress().AsLong()) {
// check that the interface the kernel chose matches the interface
// we wanted to send on
if ((*niaddr).GetPrimaryAddress().AsLong() != info.local_address.GetIpAddress().AsLong()) {
return NPT_SUCCESS;
}
// socket already connected, so we don't need to specify where to go
remote_addr = NULL;
}
NPT_HttpResponse response(200, "OK", NPT_HTTP_PROTOCOL_1_1);
PLT_UPnPMessageHelper::SetLocation(response, m_Device->GetDescriptionUrl((*niaddr).GetPrimaryAddress().ToString()));
PLT_UPnPMessageHelper::SetLeaseTime(response, (NPT_Timeout)((float)m_Device->GetLeaseTime()));
PLT_UPnPMessageHelper::SetServer(response, NPT_HttpServer::m_ServerHeader, false);
response.GetHeaders().SetHeader("EXT", "");
// process search response twice to be NMPR compliant
NPT_CHECK_SEVERE(m_Device->SendSsdpSearchResponse(response, socket, m_ST, remote_addr));
NPT_CHECK_SEVERE(m_Device->SendSsdpSearchResponse(response, socket, m_ST, remote_addr));
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| NPT_LogUdpHandler::Log
+---------------------------------------------------------------------*/
void
NPT_LogUdpHandler::Log(const NPT_LogRecord& record)
{
// format the record
NPT_String msg;
NPT_LogTcpHandler::FormatRecord(record, msg);
// send it in a datagram
NPT_DataBuffer buffer(msg.GetChars(), msg.GetLength()+1, false);
m_Socket.Send(buffer, &m_Target);
}
/*----------------------------------------------------------------------
| GetEndPointStreams
+---------------------------------------------------------------------*/
static NPT_Result
GetEndPointStreams(EndPoint* endpoint,
NPT_InputStreamReference* input_stream,
NPT_OutputStreamReference* output_stream)
{
// default return values
if (input_stream) *input_stream = NULL;
if (output_stream) *output_stream = NULL;
switch (endpoint->type) {
case ENDPOINT_TYPE_UDP_CLIENT:
{
NPT_UdpSocket sender;
// info
if (Options.verbose) {
NPT_Debug("sending to %s on port %d\n",
endpoint->info.udp_client.hostname,
endpoint->info.udp_client.port);
}
// resolve name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.udp_client.hostname));
// connect socket
NPT_CHECK(sender.Connect(NPT_SocketAddress(address,
endpoint->info.udp_client.port)));
// get the streams
if (input_stream) {
NPT_CHECK(sender.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(sender.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_TCP_CLIENT:
{
NPT_TcpClientSocket client;
// info
if (Options.verbose) {
NPT_Debug("connecting to %s on port %d\n",
endpoint->info.tcp_client.hostname,
endpoint->info.tcp_client.port);
}
// resolve the name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.tcp_client.hostname));
// connect
NPT_CHECK(client.Connect(NPT_SocketAddress(address,
endpoint->info.tcp_client.port)));
// info
if (Options.verbose) {
NPT_Debug("connected\n");
}
// get the streams
if (input_stream) {
NPT_CHECK(client.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(client.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_MULTICAST_CLIENT:
{
NPT_UdpMulticastSocket sender;
// info
if (Options.verbose) {
NPT_Debug("sending to %s on port %d\n",
endpoint->info.multicast_client.groupname,
endpoint->info.multicast_client.port);
}
// set time to live
NPT_CHECK(sender.SetTimeToLive(endpoint->info.multicast_client.ttl));
// resolve name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.multicast_client.groupname));
// connect socket
NPT_CHECK(sender.Connect(NPT_SocketAddress(address, endpoint->info.multicast_client.port)));
// get the streams
if (input_stream) {
NPT_CHECK(sender.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(sender.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_UDP_SERVER:
{
NPT_UdpSocket listener;
// info
if (Options.verbose) {
NPT_Debug("listening on port %d", endpoint->info.udp_server.port);
}
// listen on port, any addr
NPT_CHECK(listener.Bind(NPT_SocketAddress(NPT_IpAddress::Any, endpoint->info.udp_server.port)));
// get the streams
if (input_stream) {
NPT_CHECK(listener.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(listener.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_TCP_SERVER:
{
NPT_TcpServerSocket server;
NPT_Socket* client;
// info
if (Options.verbose) {
NPT_Debug("waiting for client on port %d\n",
endpoint->info.tcp_server.port);
}
// bind to the address
NPT_CHECK(server.Bind(NPT_SocketAddress(NPT_IpAddress::Any,
endpoint->info.tcp_server.port)));
// wait for connection
NPT_CHECK(server.WaitForNewClient(client));
// info
if (Options.verbose) {
NPT_Debug("client connected\n");
}
// get the streams
if (input_stream) {
NPT_CHECK(client->GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(client->GetOutputStream(*output_stream));
}
delete client;
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_MULTICAST_SERVER:
{
NPT_UdpMulticastSocket listener;
// info
if (Options.verbose) {
NPT_Debug("listening on port %d\n", endpoint->info.multicast_server.port);
}
// listen on port, any addr
NPT_CHECK(listener.Bind(NPT_SocketAddress(NPT_IpAddress::Any, endpoint->info.multicast_server.port)));
// info
if (Options.verbose) {
NPT_Debug("joining multicast group %s\n", endpoint->info.multicast_server.groupname);
}
// resolve name
NPT_IpAddress address;
NPT_CHECK(address.ResolveName(endpoint->info.multicast_server.groupname));
// join the group
NPT_CHECK(listener.JoinGroup(address));
// get the streams
if (input_stream) {
NPT_CHECK(listener.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(listener.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_FILE:
{
// create a file object
NPT_File file(endpoint->info.file.name);
if (endpoint->direction == ENDPOINT_DIRECTION_IN) {
NPT_CHECK(file.Open(NPT_FILE_OPEN_MODE_READ |
NPT_FILE_OPEN_MODE_UNBUFFERED));
} else {
NPT_CHECK(file.Open(NPT_FILE_OPEN_MODE_WRITE |
NPT_FILE_OPEN_MODE_CREATE|
NPT_FILE_OPEN_MODE_UNBUFFERED));
}
// get the streams
if (input_stream) {
NPT_CHECK(file.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(file.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
case ENDPOINT_TYPE_SERIAL_PORT:
{
// create a serial port object
NPT_SerialPort serial_port(endpoint->info.serial_port.name);
NPT_CHECK(serial_port.Open(endpoint->info.serial_port.speed));
// get the streams
if (input_stream) {
NPT_CHECK(serial_port.GetInputStream(*input_stream));
}
if (output_stream) {
NPT_CHECK(serial_port.GetOutputStream(*output_stream));
}
return NPT_SUCCESS;
}
break;
}
return NPT_SUCCESS;
}
/*----------------------------------------------------------------------
| PLT_SsdpDeviceSearchResponseInterfaceIterator class
+---------------------------------------------------------------------*/
NPT_Result
PLT_SsdpDeviceSearchResponseInterfaceIterator::operator()(NPT_NetworkInterface*& net_if) const
{
NPT_Result res;
const NPT_SocketAddress* remote_addr = &m_RemoteAddr;
NPT_List<NPT_NetworkInterfaceAddress>::Iterator netaddr = net_if->GetAddresses().GetFirstItem();
if (!netaddr) {
return NPT_SUCCESS;
}
// don't respond on loopback
// windows media player on vista sends it's M-SEARCH to loopback interface if it's a local clients sometimes
//if (net_if->GetFlags() & NPT_NETWORK_INTERFACE_FLAG_LOOPBACK) {
// return NPT_SUCCESS;
//}
NPT_SocketAddress local_addr((*netaddr).GetPrimaryAddress(), 0); // 1900?
NPT_UdpSocket socket;
//if (NPT_FAILED(res = socket.Bind(local_addr))) {
// return res;
//}
// get the output socket stream
NPT_OutputStreamReference stream;
if (NPT_FAILED(res = socket.GetOutputStream(stream))) {
return res;
}
NPT_HttpResponse response(200, "OK", NPT_HTTP_PROTOCOL_1_1);
// get location URL based on ip address of interface
// by connecting, the kernel chooses which interface to use to route to the remote
// this is the IP we should use in our Location
if (NPT_FAILED(res = socket.Connect(m_RemoteAddr, 5000))) {
return res;
}
NPT_SocketInfo info;
socket.GetInfo(info);
// did we successfully connect and found out which interface is used?
if (info.local_address.GetIpAddress().AsLong()) {
// check that the interface the kernel chose matches the interface
// we wanted to send on
// FIXME: Should we fail instead and stop sending a response once we get NPT_SUCCESS?
if (local_addr.GetIpAddress().AsLong() != info.local_address.GetIpAddress().AsLong()) {
return NPT_SUCCESS;
}
// already connected, so we don't need to specify where to go
remote_addr = NULL;
}
PLT_UPnPMessageHelper::SetLocation(response, m_Device->GetDescriptionUrl(local_addr.GetIpAddress().ToString()));
PLT_UPnPMessageHelper::SetLeaseTime(response, (NPT_Timeout)((float)m_Device->GetLeaseTime()));
PLT_UPnPMessageHelper::SetServer(response, "UPnP/1.0, Platinum UPnP SDK/" PLT_PLATINUM_VERSION_STRING, false);
response.GetHeaders().SetHeader("EXT", "");
// process search response twice to be NMPR compliant
NPT_CHECK_SEVERE(m_Device->SendSsdpSearchResponse(response, socket, m_ST, remote_addr));
NPT_CHECK_SEVERE(m_Device->SendSsdpSearchResponse(response, socket, m_ST, remote_addr));
return NPT_SUCCESS;
}
