private void OnReceive(IAsyncResult ar)
{
if (this.IsAlive)
{
try
{
int received = this.Socket.EndReceive(ar);
if (received == 0)
{
this.Stop();
}
else
{
this.ReceivalBuffer.Limit += received;
if (this.Cryptograph is MapleCryptograph)
{
int processed = 0;
bool reset = false;
if (this.ReceivalBuffer.Remaining < 4)
{
Log.Error("TODO: Remaining < 4!");
}
while (this.ReceivalBuffer.Remaining >= 4)
{
int length = AesCryptograph.RetrieveLength(this.ReceivalBuffer.ReadBytes(4));
if (this.ReceivalBuffer.Remaining < length)
{
this.ReceivalBuffer.Position -= 4;
Buffer.BlockCopy(this.ReceivalBuffer.Array, this.ReceivalBuffer.Position, this.ReceivalBuffer.Array, 0, this.ReceivalBuffer.Remaining);
reset = true;
break;
}
else
{
this.ReceivalBuffer.Position -= 4;
this.Handle(this.ReceivalBuffer.ReadBytes(length + 4));
processed += (length + 4);
}
}
this.ReceivalBuffer.Limit -= processed;
if (reset)
{
this.ReceivalBuffer.Position = 0;
}
else
{
this.ReceivalBuffer.Position = this.ReceivalBuffer.Limit;
}
}
else
{
this.Handle(this.ReceivalBuffer.GetContent());
this.ReceivalBuffer.Limit = 0;
this.ReceivalBuffer.Position = 0;
}
}
this.ReceiveDone.Set();
}
catch (Exception e)
{
Log.Error("Uncatched fatal error on {0}: ", e, this.Title.ToLower(), Thread.CurrentThread.ManagedThreadId);
this.Stop();
}
}
}
private void OnReceive(IAsyncResult ar)
{
if (!IsAlive)
{
return;
}
try
{
int received = Socket.EndReceive(ar);
if (received != 0)
{
ReceivalBuffer.Limit += received;
if (Cryptograph is MapleCryptograph)
{
int processed = 0;
bool reset = false;
if (ReceivalBuffer.Remaining < 4)
{
Log.Error("TODO: Remaining < 4!");
}
while (ReceivalBuffer.Remaining >= 4)
{
int length = AesCryptograph.RetrieveLength(ReceivalBuffer.ReadBytes(4));
if (ReceivalBuffer.Remaining < length)
{
ReceivalBuffer.Position -= 4;
try
{
Buffer.BlockCopy(ReceivalBuffer.Array, ReceivalBuffer.Position,
ReceivalBuffer.Array, 0, ReceivalBuffer.Remaining);
}
catch (Exception e)
{
Log.SkipLine();
Tracer.TraceErrorMessage(e, "Failed to BlockCopy!");
Log.SkipLine();
throw;
}
reset = true;
break;
}
ReceivalBuffer.Position -= 4;
HandleIncomingPacket(ReceivalBuffer.ReadBytes(length + 4));
processed += (length + 4);
}
ReceivalBuffer.Limit -= processed;
ReceivalBuffer.Position = reset ? 0 : ReceivalBuffer.Limit;
}
else
{
HandleIncomingPacket(ReceivalBuffer.GetContent());
ReceivalBuffer.Limit = 0;
ReceivalBuffer.Position = 0;
}
}
else
{
Stop();
}
ReceiveDone.Set();
}
catch (ArgumentNullException ex)
{
Log.SkipLine();
Tracer.TraceErrorMessage(ex, "Argument is null!");
Log.SkipLine();
throw;
}
catch (ArgumentOutOfRangeException ex)
{
Log.SkipLine();
Tracer.TraceErrorMessage(ex, "Argument is out of range!");
Log.SkipLine();
throw;
}
catch (SocketException ex)
{
Log.SkipLine();
Tracer.TraceErrorMessage(ex, "Socket exception!");
Log.SkipLine();
throw;
}
catch (Exception ex)
{
Log.SkipLine();
Log.Error("Uncatched fatal error on {0}: ", ex, Title.ToLower(), Thread.CurrentThread.ManagedThreadId);
Stop();
}
}