private void OnClientClosed(NetIQServerClient ctx)
{
//Remove existing stream, if any
if (ctx.stream != null)
{
lock (streams)
streams.Remove(ctx.stream);
}
}
private void OnClientReceiveData(IAsyncResult ar)
{
//Get data
NetIQServerClient ctx = (NetIQServerClient)ar.AsyncState;
int read = ctx.sock.EndReceive(ar);
//Handle
try
{
OnClientCommand(ctx, ctx.buffer, read);
} catch (Exception ex)
{
//Unknown error. Close connection
ctx.sock.Close();
OnClientClosed(ctx);
return;
}
//Listen for next
ctx.sock.BeginReceive(ctx.buffer, 0, ctx.buffer.Length, SocketFlags.None, OnClientReceiveData, ctx);
}
private void OnClientConnect(IAsyncResult ar)
{
//Get socket
Socket client = sock.EndAccept(ar);
//Create client context
NetIQServerClient ctx = new NetIQServerClient(client);
//Create and send info packet
NetIQCommandServerInfo info = new NetIQCommandServerInfo();
info.ServerVersionMinor = NetIQUtil.PROTO_VERSION_MINOR;
info.ServerVersionMajor = NetIQUtil.PROTO_VERSION_MAJOR;
info.SampleRate = sampleRate;
info.SendOnSocket(client);
//Begin listening on this
client.BeginReceive(ctx.buffer, 0, ctx.buffer.Length, SocketFlags.None, OnClientReceiveData, ctx);
//Look for another new client
sock.BeginAccept(OnClientConnect, null);
}
private void OnClientCommand(NetIQServerClient ctx, byte[] data, int len)
{
//Get opcode
NetIQOpcode op = (NetIQOpcode)BitConverter.ToUInt16(data, 0);
//Switch
switch (op)
{
case NetIQOpcode.OPEN_STREAM:
//Decode command
NetIQCommandOpenStream cmd = new NetIQCommandOpenStream(data);
//Get endpoint to send to
IPAddress addr = ((IPEndPoint)ctx.sock.RemoteEndPoint).Address;
IPEndPoint ep = new IPEndPoint(addr, cmd.StreamPort);
//Make stream
NetIQServerStream stream = new NetIQServerStream(ep, cmd.BufferSize, cmd.SampleFormat);
//Apply to list
lock (streams)
{
//Remove existing stream, if any
if (ctx.stream != null)
{
streams.Remove(ctx.stream);
}
//Add
streams.Add(stream);
ctx.stream = stream;
}
break;
default:
throw new Exception("Unknown opcode!");
}
}