private void Send(Socket client, String data)
{
Packets newPacket = new Packets(0, ChatNameBox.Content.ToString(), data);
byte[] newData = newPacket.PrepareMessageToSending();
client.BeginSend(newData, 0, newData.Length, 0, new AsyncCallback(SendCallback), client);
}
private void ReceiveCallback(IAsyncResult result)
{
UserConnectionInfo connection = (UserConnectionInfo)result.AsyncState;
Socket client = connection.Socket;
Packets newReadPacket = new Packets();
try
{
int bytesRead = connection.Socket.EndReceive(result);
MemoryStream memstr = new MemoryStream(connection.Buffer, 0, bytesRead);
if (bytesRead > 5)//получаем длину хедера
{
Packets dataViewer = newReadPacket.HandleMessagePacket(bytesRead, memstr);
if (dataViewer != null)
{
txtmgr.ShowMessage(ServerBox, dataViewer.GetNickname, dataViewer.GetMessage);
}
else
connection.Socket.BeginReceive(connection.Buffer, 0, connection.Buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), connection);
connection.Socket.BeginReceive(connection.Buffer, 0, connection.Buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), connection);
}
else
connection.Socket.BeginReceive(connection.Buffer, 0, connection.Buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), connection);
}
catch (SocketException exc)
{
CloseConnection(connection);
txtmgr.ShowSystemMessage(ServerBox, "Socket exception: " + exc.SocketErrorCode);
}
catch (Exception exc)
{
CloseConnection(connection);
txtmgr.ShowSystemMessage(ServerBox, "Exception: " + exc);
}
}
private void ReceiveCallback(IAsyncResult ar)
{
try
{
// Retrieve the state object and the client socket
// from the asynchronous state object.
StateObject state = (StateObject)ar.AsyncState;
Socket client = state.workSocket;
// Read data from the remote device.
int bytesRead = client.EndReceive(ar);
MemoryStream memstr = new MemoryStream(state.buffer, 0, bytesRead);
Packets newReadPacket = new Packets();
if (bytesRead > 5)//получаем длину хедера
{
Packets dataViewer = newReadPacket.HandleMessagePacket(bytesRead, memstr);
if (dataViewer != null)
{
txtmgr.ShowMessage(ClientBox, dataViewer.GetNickname, dataViewer.GetMessage);
}
else
client.BeginReceive(state.buffer, 0, state.buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), state);
client.BeginReceive(state.buffer, 0, state.buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), state);
}
else
client.BeginReceive(state.buffer, 0, state.buffer.Length, SocketFlags.None, new AsyncCallback(ReceiveCallback), state);
}
catch (Exception e)
{
txtmgr.ShowSystemMessage(ClientBox, e.ToString());
}
}