static void RecvCallback(object sender, SocketAsyncEventArgs e)
{
TcpSocket s = (TcpSocket)e.UserToken;
if (s.Disconnected)
{
return;
}
try {
// If received 0, means socket was closed
int recvLen = e.BytesTransferred;
if (recvLen == 0)
{
s.Disconnect(); return;
}
s.HandleReceived(s.recvBuffer, recvLen);
if (!s.Disconnected)
{
s.ReceiveNextAsync();
}
} catch (SocketException) {
s.Disconnect();
} catch (ObjectDisposedException) {
// Socket was closed by another thread, mark as disconnected
} catch (Exception ex) {
Logger.LogError(ex);
s.Disconnect();
}
}
static void RecvCallback(object sender, SocketAsyncEventArgs e)
{
Player p = null;
try {
TcpSocket s = (TcpSocket)e.UserToken;
p = s.player;
if (p.disconnected)
{
return;
}
int recvLen = e.BytesTransferred;
if (recvLen == 0)
{
p.Disconnect(); return;
}
// Packets may not always be fully received in a Receive call
// As such, we may need to retain a little bit of partial packet data
Buffer.BlockCopy(s.recvBuffer, 0, s.unprocessed, s.unprocessedLen, recvLen);
s.unprocessedLen += recvLen;
int processedLen = p.ProcessReceived(s.unprocessed, s.unprocessedLen);
// Disconnect invalid clients
if (p.nonPlayerClient && processedLen == -1)
{
s.Close(); p.disconnected = true;
}
if (processedLen == -1)
{
return;
}
// move remaining partial packet data back to start of unprocessed buffer
for (int i = processedLen; i < s.unprocessedLen; i++)
{
s.unprocessed[i - processedLen] = s.unprocessed[i];
}
s.unprocessedLen -= processedLen;
if (!p.disconnected)
{
s.ReceiveNextAsync();
}
} catch (SocketException) {
if (p != null)
{
p.Disconnect();
}
} catch (ObjectDisposedException) {
// Socket was closed by another thread, mark as disconnected
if (p == null)
{
return;
}
Player.connections.Remove(p);
p.RemoveFromPending();
p.disconnected = true;
} catch (Exception ex) {
Logger.LogError(ex);
if (p != null)
{
p.Leave("Error!");
}
}
}