public void Parse_ValidHeader_With_PacketIdentifier_ReturnObject()
{
//Arrange
const ushort expectedPacketId = 5;
byte[] fixHeader = CreateMessage(ControlPacketTypes.PUBLISH, 10, null, (byte)Flag.Qos1, expectedPacketId);
MessageHeader actualHeader;
var stream = new MemoryStream(fixHeader);
//Act
using (BinaryReader br = new BinaryReader(stream))
{
actualHeader = MessageHeader.Parse(br);
}
//Assert
Assert.IsNotNull(actualHeader);
Assert.AreEqual(expectedPacketId, actualHeader.PacketIdentifier);
}
public void Parse_ValidHeader_With_ComplexVariableLength_ReturnObject()
{
//Arrange
const int expectedLength = 128;
byte[] fixHeader = CreateMessage(ControlPacketTypes.CONNECT, 128, 1);
MessageHeader actualHeader;
var stream = new MemoryStream(fixHeader);
//Act
using (BinaryReader br = new BinaryReader(stream))
{
actualHeader = MessageHeader.Parse(br);
}
//Assert
Assert.IsNotNull(actualHeader);
Assert.IsTrue(actualHeader.Length == expectedLength);
}
public bool Parse(IByteBuffer buffer)
{
try
{
Header = MessageHeader.Parse(buffer);
//消息体由协议序列化后的内容构成
if (Header.MessageBodyLen > 0)
{
this.BodyContent = new byte[Header.MessageBodyLen];
buffer.ReadBytes(this.BodyContent);
}
else//保证protobuffer对象默认状态下可反序列化(protobuffer序列化对象默认值时，字节数组为0)
{
this.BodyContent = new byte[0];
}
return(true);
}
catch (Exception)
{
}
return(false);
}