/// <summary>
/// Called when [client connection].
/// </summary>
/// <param name="asyn">The asyn.</param>
private void OnClientConnection(IAsyncResult asyn)
{
try
{
// Create a new StateObject to hold the connected client
LogClient connectedClient = new LogClient()
{
ClientSocket = connectionSocket.EndAccept(asyn),
ClientId = !connectedClients.Any() ? 1 : connectedClients.Count + 1
};
IPEndPoint remote = connectedClient.ClientSocket.RemoteEndPoint as IPEndPoint;
if (connectedClients.ContainsKey(remote.Address.ToString()))
{
closeSocket(connectedClient.UniqueAddress, true);
return;
}
connectedClients.Add(remote.Address.ToString(), connectedClient);
// TODO: consider if we can instead do this at the beginning of the method.
// Check against limit
if (connectedClients.Count > connectionsLimit)
{
// No connection event is sent so close socket silently
closeSocket(connectedClient.UniqueAddress, true);
return;
}
// Dispatch Event
if (ClientConnected != null)
{
SocketConnectArgs args = new SocketConnectArgs()
{
ClientAddress = IPAddress.Parse(((IPEndPoint)connectedClient.ClientSocket.RemoteEndPoint).Address.ToString()),
ClientId = connectedClient.ClientId
};
ClientConnected(this, args);
}
// Release connectionSocket to keep listening if limit is not reached
connectionSocket.BeginAccept(new AsyncCallback(OnClientConnection), null);
// Allow connected client to receive data and designate a callback method
connectedClient.ClientSocket.BeginReceive(connectedClient.buffer, 0, LogClient.BufferSize, 0, new AsyncCallback(OnDataReceived), connectedClient);
}
catch (SocketException)
{
// TODO: should we closeSocketSilent()? Or?
}
catch (ObjectDisposedException)
{
// TODO: should we closeSocketSilent()? Or?
}
}
/// <summary>
/// Server_s the client connected.
/// </summary>
/// <param name="socketServer">The socket server.</param>
/// <param name="e">The e.</param>
void Server_ClientConnected(ILoggerServer socketServer, SocketConnectArgs e)
{
LogMessageHandler handler = new LogMessageHandler(ProcessLogMessage);
ConnectedClients.Add(e.ClientAddress.ToString(),handler);
}
/// <summary>
/// Server_s the client connected.
/// </summary>
/// <param name="socketServer">The socket server.</param>
/// <param name="e">The e.</param>
void Server_ClientConnected(ILoggerServer socketServer, SocketConnectArgs e)
{
LogMessageHandler handler = new LogMessageHandler(ProcessLogMessage);
ConnectedClients.Add(e.ClientAddress.ToString(), handler);
}