/*----------------------------------------------------------------------
| UdpServerLoop
+---------------------------------------------------------------------*/
static void
UdpServerLoop(int port)
{
NPT_UdpSocket listener;
// info
if (Options.verbose) {
NPT_Debug("listening on port %d\n", port);
}
NPT_Result result = listener.Bind(NPT_SocketAddress(NPT_IpAddress::Any, port));
if (NPT_FAILED(result)) {
NPT_Debug("ERROR: Bind() failed (%d)\n", result);
}
// packet loop
NPT_DataBuffer packet(32768);
NPT_SocketAddress address;
do {
result = listener.Receive(packet, &address);
if (NPT_SUCCEEDED(result)) {
if (Options.verbose) {
NPT_String ip = address.GetIpAddress().ToString();
NPT_Debug("Received %d bytes from %s:%d\n", packet.GetDataSize(), ip.GetChars(), address.GetPort());
}
listener.Send(packet, &address);
}
} while (NPT_SUCCEEDED(result));
}
/*----------------------------------------------------------------------
| 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;
}