// This is the call back function, which will be invoked when a client is connected
public void OnClientConnect(IAsyncResult asyn)
{
try
{
// Here we complete/end the BeginAccept() asynchronous call
// by calling EndAccept() - which returns the reference to
// a new Socket object
Socket clientSocket = ServerSocket.EndAccept(asyn);
AsyncClient asyncClient = new AsyncClient(clientSocket);
Clients.Add(asyncClient);
AsyncClientsDict.Add(clientSocket, asyncClient);
ClientConnected(this, new ServerClientEventArgs(asyncClient));
// Let the worker Socket do the further processing for the
// just connected client
WaitForData(clientSocket);
// Now increment the client count
// Since the main Socket is now free, it can go back and wait for
// other clients who are attempting to connect
ServerSocket.BeginAccept(new AsyncCallback(OnClientConnect), null);
}
catch (Exception ex)
{
ServerException(this, new ExceptionEventArgs(ex));
}
}
// This the call back function which will be invoked when the socket
// detects any client writing of data on the stream
public void OnDataReceived(IAsyncResult asyn)
{
SocketPacket socketData = (SocketPacket)asyn.AsyncState;
try
{
// Complete the BeginReceive() asynchronous call by EndReceive() method
// which will return the number of characters written to the stream
// by the client
int byteReceived = socketData.currentSocket.EndReceive(asyn);
if (byteReceived > 0)
{
string szData = Encoding.UTF8.GetString(socketData.dataBuffer, 0, byteReceived);
//Socket clientSocket = FindClientSocket(socketData.m_currentSocket);
Socket clientSocket = socketData.currentSocket;
if (clientSocket != null)
{
AsyncClient client = new AsyncClient(clientSocket);
MessageReceived(this, new ServerReceivedEventArgs(client, szData));
}
}
// Continue the waiting for data on the Socket
WaitForData(socketData.currentSocket);
}
catch (Exception ex)
{
// Очистка списка и словаря клиентов.
AsyncClient asyncClient = AsyncClientsDict[socketData.currentSocket];
Clients.Remove(asyncClient);
AsyncClientsDict.Remove(socketData.currentSocket);
ServerException(this, new ExceptionEventArgs(ex));
}
}
public ServerClientEventArgs(AsyncClient client)
{
Client = client;
}
public ServerReceivedEventArgs(AsyncClient client, string message)
{
Client = client;
Message = message;
}
