private void TryJoinToSession(ServerSideMsgPipe pipe, string nickName)
{
var joiningSession = _sessions.FirstOrDefault(s => s.NeedClient);
switch (joiningSession)
{
case null when _sessions.Count >= _maxSessions:
ClosePipeWithError(pipe, ServerErrorId.ServerIsBusy);
_log?.Error($"Failed to add client {pipe.Id} into session: server is busy");
return;
case null:
var sendBufferSize = _sessionPlayers * 512;
joiningSession = new ServerSession(_random, _lastSessionId++, _sessionPlayers, _tps, sendBufferSize, _log);
_sessions.Add(joiningSession);
break;
case {} session when session.HasClientWithName(nickName):
ClosePipeWithError(pipe, ServerErrorId.NickIsBusy);
_log?.Error($"Failed to add client {pipe.Id} into session: nickname is busy");
return;
}
try {
pipe.SendMessageUsingBuffer(new ServerMsgJoined(), _sendBuffer);
joiningSession.AddClient(pipe, nickName);
}
catch (Exception e) {
ClosePipeWithError(pipe, ServerErrorId.InternalError);
_log?.Error($"Failed to add client {pipe.Id} into session: internal error");
_log?.Exception(e);
}
}
private void ClosePipeWithError(ServerSideMsgPipe pipe, ServerErrorId error)
{
try {
pipe.SendMessageUsingBuffer(new ServerMsgError(error), _sendBuffer);
}
finally {
pipe.Close();
}
}
private void AcceptNewClients()
{
if (!_serverSocket.Poll(1000, SelectMode.SelectRead))
{
return;
}
var pipe = new ServerSideMsgPipe(_serverSocket.Accept(), 1024);
_joiningPool.Add(pipe);
_log?.Info($"Add client {pipe.Id} to join pool");
}
public MsgPipeTransferTests()
{
var ip = IPAddress.Loopback;
var serverSocket = new Socket(ip.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
serverSocket.Bind(new IPEndPoint(ip, 0));
serverSocket.Listen(1);
var clientSocket = new Socket(ip.AddressFamily, SocketType.Stream, ProtocolType.Tcp);
clientSocket.Connect(serverSocket.LocalEndPoint);
_serverSidePipe = new ServerSideMsgPipe(serverSocket.Accept(), 64);
_clientSidePipe = new ClientSideMsgPipe(clientSocket, 64);
}