public void Reset_After_Usage()
{
var writer = new MqttBufferWriter(4096, 65535);
writer.WriteString("AString");
writer.WriteByte(0x1);
writer.WriteByte(0x0);
writer.WriteByte(0x1);
writer.WriteVariableByteInteger(1234U);
writer.WriteVariableByteInteger(9876U);
writer.Reset(0);
Assert.AreEqual(0, writer.Length);
}
public MqttPacketBuffer Encode(MqttPacket packet)
{
if (packet == null)
{
throw new ArgumentNullException(nameof(packet));
}
// Leave enough head space for max header size (fixed + 4 variable remaining length = 5 bytes)
_bufferWriter.Reset(5);
_bufferWriter.Seek(5);
var fixedHeader = EncodePacket(packet, _bufferWriter);
var remainingLength = (uint)(_bufferWriter.Length - 5);
var publishPacket = packet as MqttPublishPacket;
if (publishPacket?.Payload != null)
{
remainingLength += (uint)publishPacket.Payload.Length;
}
var remainingLengthSize = MqttBufferWriter.GetLengthOfVariableInteger(remainingLength);
var headerSize = FixedHeaderSize + remainingLengthSize;
var headerOffset = 5 - headerSize;
// Position cursor on correct offset on beginning of array (has leading 0x0)
_bufferWriter.Seek(headerOffset);
_bufferWriter.WriteByte(fixedHeader);
_bufferWriter.WriteVariableByteInteger(remainingLength);
var buffer = _bufferWriter.GetBuffer();
var firstSegment = new ArraySegment <byte>(buffer, headerOffset, _bufferWriter.Length - headerOffset);
if (publishPacket?.Payload != null)
{
var payloadSegment = new ArraySegment <byte>(publishPacket.Payload, 0, publishPacket.Payload.Length);
return(new MqttPacketBuffer(firstSegment, payloadSegment));
}
return(new MqttPacketBuffer(firstSegment));
}
public void Encode_Four_Byte_Integer()
{
var writer = new MqttBufferWriter(4, 4);
for (uint value = 0; value < 268435455; value++)
{
writer.WriteVariableByteInteger(value);
var buffer = writer.GetBuffer();
var reader = new MqttBufferReader();
reader.SetBuffer(buffer, 0, writer.Length);
var checkValue = reader.ReadVariableByteInteger();
Assert.AreEqual(value, checkValue);
writer.Reset(0);
}
}
public void Write_100_000_Messages()
{
var writer = new MqttBufferWriter(4096, 65535);
for (var i = 0; i < 100000; i++)
{
writer.WriteString("A relative short string.");
writer.WriteByte(0x01);
writer.WriteByte(0x02);
writer.WriteVariableByteInteger(5647382);
writer.WriteString("A relative short string.");
writer.WriteVariableByteInteger(8574589);
writer.WriteBinaryData(_demoPayload);
writer.WriteByte(2);
writer.WriteByte(0x02);
writer.WriteString("fjgffiogfhgfhoihgoireghreghreguhreguireoghreouighreouighreughreguiorehreuiohruiorehreuioghreug");
writer.WriteBinaryData(_demoPayload);
writer.Reset(0);
}
}
public void Reset()
{
_bufferWriter.Reset(0);
_bufferWriter.Cleanup();
}
