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Disable Nagle on sockets, send packets in one shot.

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This commit is contained in:
Israel Lot
2018-04-16 12:30:56 -03:00
parent a5f33bc244
commit c915af8dad
6 changed files with 60 additions and 51 deletions
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Frameworks/MQTTnet.NetStandard/Serializer/MqttPacketSerializer.cs
+18 -11
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@@ -16,29 +16,36 @@ namespace MQTTnet.Serializer
public MqttProtocolVersion ProtocolVersion { get; set; } = MqttProtocolVersion.V311;
public ICollection<ArraySegment<byte>> Serialize(MqttBasePacket packet)
public ArraySegment<byte> Serialize(MqttBasePacket packet)
{
if (packet == null) throw new ArgumentNullException(nameof(packet));
using (var stream = new MemoryStream(128))
using (var writer = new MqttPacketWriter(stream))
{
var fixedHeader = SerializePacket(packet, writer);
var remainingLength = (int)stream.Length;
writer.Write(fixedHeader);
MqttPacketWriter.WriteRemainingLength(remainingLength, writer);
var headerLength = (int)stream.Length - remainingLength;
//leave enough head space for max header (fixed + 4 variable remaining lenght)
stream.Position = 5;
var fixedHeader = SerializePacket(packet, writer);
var remainingLength = MqttPacketWriter.GetRemainingLength((int)stream.Length-5);
var headerSize = remainingLength.Length + 1;
var headerOffset = 5 - headerSize;
//position curson on correct offset on beginining of array
stream.Position = headerOffset;
//write header
writer.Write(fixedHeader);
writer.Write(remainingLength,0,remainingLength.Length);
#if NET461 || NET452 || NETSTANDARD2_0
var buffer = stream.GetBuffer();
#else
var buffer = stream.ToArray();
#endif
return new List<ArraySegment<byte>>
{
new ArraySegment<byte>(buffer, remainingLength, headerLength),
new ArraySegment<byte>(buffer, 0, remainingLength)
};
return new ArraySegment<byte>(buffer, headerOffset, (int)stream.Length- headerOffset);
}
}