//------------------------------------------------------------------------------------------------------------------------
protected override bool _sendPackedMessage(YPMessagePacked msg)
{
//check connection
if (streamOut == null || _State == ChannelStates.Closed)
return false;
lock (writerLock)
{
//check connection
if (streamOut == null || _State == ChannelStates.Closed)
return false;
try
{
//pack
var flags = PackedMessageFlags.None;
byte[] enc_msg;
if (ChannelSerializationMode.HasFlag(YPChannel.ChannelSerializationMode.Json))
{
var str = msg.ToJSON(HtmlEncode: false);
enc_msg = System.Text.Encoding.UTF8.GetBytes(str);
}
else if (ChannelSerializationMode.HasFlag(YPChannel.ChannelSerializationMode.MessagePack))
enc_msg = MsgPack?.Pack_YPMessagePacked(msg);
else
{
DebugEx.Assert("Unkown serialization method");
throw new Exception("Unkown serialization method");
}
//compress?
if (enc_msg.Length > CompressThreshold && use_Compression)
{
using (var outStream = new MemoryStream(enc_msg.Length))
{
using (var memStream = new MemoryStream(enc_msg))
{
if (use_Deflate)
{
using (var deflStream = new DeflateStream(outStream, CompressionMode.Compress, true))
memStream.CopyTo(deflStream);
//enable deflate
flags |= PackedMessageFlags.Compressed_Deflate;
}
else if (use_GZip)
{
using (var gzipStream = new GZipStream(outStream, CompressionMode.Compress, true))
memStream.CopyTo(gzipStream);
//enable gzip
flags |= PackedMessageFlags.Compressed_GZip;
}
else
{
DebugEx.Assert("Unkown compression");
Close("Unkown compression");
}
}
outStream.Position = 0;
enc_msg = outStream.ToArray();
}
}
//create buffer
var tSize = BitConverter.GetBytes((UInt32)enc_msg.Length);
tSize[3] = (byte)flags; //higher byte of size is flags
var enc_msg2 = new byte[tSize.Length + enc_msg.Length];
Buffer.BlockCopy(tSize, 0, enc_msg2, 0, tSize.Length);
Buffer.BlockCopy(enc_msg, 0, enc_msg2, tSize.Length, enc_msg.Length);
//send
#if NETFX
var t = Task.Run(() => { try { streamOut?.Write(enc_msg2, 0, enc_msg2.Length); streamOut?.Flush(); return true; } catch { return false; } });
if (!t.Wait(15 * 1000) || t.GetResults() == false) //try to send (with a 15 second sock/stream write timeout)
{
Close("Failed to write to stream (" + (t.IsCompleted ? "error" : "timeout") + ")");
return false;
}
#elif UNIVERSAL
streamOut?.Write(enc_msg2, 0, enc_msg2.Length);
streamOut?.Flush();
#endif
return true;
}
catch (Exception ex)
{
DebugEx.TraceErrorException(ex, reportIt: false);
Close("Packet send exception");
return false;
}
}
}
//------------------------------------------------------------------------------------------------------------------------
protected override bool _sendPackedMessage(YPMessagePacked msg)
{
//check connection
if (streamOut == null || _State == ChannelStates.Closed)
{
return(false);
}
lock (writerLock)
{
//check connection
if (streamOut == null || _State == ChannelStates.Closed)
{
return(false);
}
try
{
//pack
var flags = PackedMessageFlags.None;
byte[] enc_msg;
if (ChannelSerializationMode.HasFlag(YPChannel.ChannelSerializationMode.Json))
{
var str = msg.ToJSON(HtmlEncode: false);
enc_msg = System.Text.Encoding.UTF8.GetBytes(str);
}
else if (ChannelSerializationMode.HasFlag(YPChannel.ChannelSerializationMode.MessagePack))
{
enc_msg = MsgPack?.Pack_YPMessagePacked(msg);
}
else
{
DebugEx.Assert("YPC (" + Name + ") Unkown serialization method");
throw new Exception("Unkown serialization method");
}
//compress?
if (enc_msg.Length > CompressThreshold && use_Compression)
{
using (var outStream = new MemoryStream(enc_msg.Length))
{
using (var memStream = new MemoryStream(enc_msg))
{
if (use_Deflate)
{
using (var deflStream = new DeflateStream(outStream, CompressionMode.Compress, true))
memStream.CopyTo(deflStream);
//enable deflate
flags |= PackedMessageFlags.Compressed_Deflate;
}
else if (use_GZip)
{
using (var gzipStream = new GZipStream(outStream, CompressionMode.Compress, true))
memStream.CopyTo(gzipStream);
//enable gzip
flags |= PackedMessageFlags.Compressed_GZip;
}
else
{
DebugEx.Assert("YPC (" + Name + ") Unkown compression");
Close("Unkown compression");
}
}
outStream.Position = 0;
enc_msg = outStream.ToArray();
}
}
//create buffer
var tSize = BitConverter.GetBytes((UInt32)enc_msg.Length);
tSize[3] = (byte)flags; //higher byte of size is flags
var enc_msg2 = new byte[tSize.Length + enc_msg.Length];
Buffer.BlockCopy(tSize, 0, enc_msg2, 0, tSize.Length);
Buffer.BlockCopy(enc_msg, 0, enc_msg2, tSize.Length, enc_msg.Length);
//send
#if NETFX
streamOut?.Write(enc_msg2, 0, enc_msg2.Length);
streamOut?.Flush();
#elif UNIVERSAL
streamOut?.Write(enc_msg2, 0, enc_msg2.Length);
streamOut?.Flush();
#endif
return(true);
}
catch (Exception ex)
{
DebugEx.TraceErrorException(ex, "YPC (" + Name + ") Packet send exception", reportIt: false);
Close("Packet send exception");
return(false);
}
}
}
