public void doing_a_partial_payload_write_properly()
{
var bufMgr = new BufferManager(5010, 1);
var context = new WriterContext(bufMgr);
var buf1 = bufMgr.Dequeue();
bufMgr.Enqueue(buf1);
var sut = new MessageFrame();
sut.SequenceNumber = 22;
var payload = Encoding.ASCII.GetBytes("Hello world".PadRight(10000));
sut.PayloadBuffer = new ArraySegment <byte>(payload, 0, payload.Length);
var actual1 = sut.Write(context);
var pos = 0;
var len = context.GetPackets().First().Count;
var frame2 = new MessageFrame();
frame2.Read(buf1.Array, ref pos, ref len);
var actual2 = sut.Write(context);
pos = 0;
len = context.GetPackets().Last().Count;
frame2.Read(buf1.Array, ref pos, ref len);
frame2.SequenceNumber.Should().Be(22);
frame2.IsFlaggedAsSmall.Should().BeFalse();
Encoding.ASCII.GetString(sut.PayloadBuffer.Array, 0, sut.PayloadBuffer.Count).TrimEnd(' ').Should().Be("Hello world");
actual1.Should().BeFalse();
actual2.Should().BeTrue();
}
public void code_decode_with_properties_test()
{
var bufMgr = new BufferManager(65535, 1);
var context = new WriterContext(bufMgr);
var buf = bufMgr.Dequeue();
bufMgr.Enqueue(buf);
var sut = new MessageFrame();
sut.SequenceNumber = 22;
sut.Properties.Add("hello", "world");
var payload = Encoding.UTF8.GetBytes("Hello world");
sut.PayloadBuffer = new ArraySegment <byte>(payload, 0, payload.Length);
sut.Write(context);
var pos = 0;
var len = context.GetPackets().First().Count;
var frame2 = new MessageFrame();
frame2.Read(buf.Array, ref pos, ref len);
frame2.SequenceNumber.Should().Be(22);
Encoding.ASCII.GetString(sut.PayloadBuffer.Array, 0, sut.PayloadBuffer.Count).Should().Be("Hello world");
sut.Properties["hello"].Should().Be("world");
}
public void the_10kb_payload()
{
var bufMgr = new BufferManager(65535, 1);
var context = new WriterContext(bufMgr);
var buf = bufMgr.Dequeue();
bufMgr.Enqueue(buf);
var sut = new MessageFrame();
sut.SequenceNumber = 22;
var payload = Encoding.ASCII.GetBytes("Hello world".PadRight(10000));
sut.PayloadBuffer = new ArraySegment <byte>(payload, 0, payload.Length);
sut.Write(context);
var pos = 0;
var len = context.GetPackets().First().Count;
var frame2 = new MessageFrame();
frame2.Read(buf.Array, ref pos, ref len);
frame2.SequenceNumber.Should().Be(22);
frame2.IsFlaggedAsSmall.Should().BeFalse();
Encoding.ASCII.GetString(sut.PayloadBuffer.Array, 0, sut.PayloadBuffer.Count).TrimEnd(' ').Should().Be("Hello world");
}
public void automatically_allocate_larger_payload_buffer()
{
var unix = new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc);
var now = new DateTime(2014, 10, 13, 13, 0, 0, DateTimeKind.Local).ToUniversalTime();
var seconds = now.Subtract(unix).TotalSeconds;
byte[] length = BitConverter.GetBytes(4096);
if (BitConverter.IsLittleEndian)
{
Array.Reverse(length);
}
var buffer = new byte[4096 + 12];
buffer[0] = (byte)FrameFlags.LargeFrame; //flags,
buffer[1] = 0; //sequence
buffer[2] = 2;
buffer[3] = 2; //destination length
buffer[4] = (byte)'M';
buffer[5] = (byte)'Q';
buffer[6] = 0; // filter length
buffer[7] = 0; // filter length
buffer[8] = length[0]; //payload length
buffer[9] = length[1];
buffer[10] = length[2];
buffer[11] = length[3];
var offset = 0;
var count = buffer.Length;
var sut = new MessageFrame();
var actual = sut.Read(buffer, ref offset, ref count);
actual.Should().Be(true);
sut.PayloadBuffer.Array.Length.Should().BeGreaterThan(4096);
}
public void deserualize_Simplistic_filter()
{
var filter = Encoding.ASCII.GetBytes("last_name<kalle");
var buffer = new byte[]
{
0, //flags,
0, 2, // sequence number,
2, //destination length,
(byte)'M', (byte)'Q',
0, 15, // filter length
(byte)'l', (byte)'a', (byte)'s', (byte)'t', (byte)'_', (byte)'n', (byte)'a', (byte)'m', (byte)'e', //filter part 1
(byte)':', (byte)'k', (byte)'a', (byte)'l', (byte)'l', (byte)'e', //filter part 2
6, //payload length
(byte)'m', (byte)'o', (byte)'t', (byte)'h', (byte)'e', (byte)'r' //payload
};
var offset = 0;
var count = buffer.Length;
var sut = new MessageFrame();
var actual = sut.Read(buffer, ref offset, ref count);
actual.Should().Be(true);
sut.Destination.Should().Be("MQ");
sut.Properties["last_name"].Should().Be("kalle");
}
private void ProcessReceivedBytes(byte[] buffer, int offset, int bytesTransferred)
{
while (bytesTransferred > 0)
{
if (!_handshakeCompleted)
{
var isCompleted = _handshakeFrame.Read(buffer, ref offset, ref bytesTransferred);
if (!isCompleted)
{
return;
}
HandshakeReceived(this, new HandshakeFrameReceivedEventArgs(_handshakeFrame));
_handshakeFrame.ResetRead();
continue;
}
switch (_frameType)
{
case FrameType.Unknown:
var flags = (FrameFlags)buffer[offset];
if ((flags & FrameFlags.ExtensionFrame) != 0)
{
_frameType = FrameType.Extension;
}
else if ((flags & FrameFlags.CommandFrame) != 0)
{
_frameType = FrameType.Command;
}
else
{
_frameType = FrameType.Message;
}
//do not increase offset, let the frame handle the flags.
//only peek it to be able to switch state
break;
case FrameType.Message:
var isCompleted = _inboundMessage.Read(buffer, ref offset, ref bytesTransferred);
if (isCompleted)
{
MessageFrameReceived(_inboundMessage);
_inboundMessage.ResetRead();
_frameType = FrameType.Unknown;
}
break;
case FrameType.Extension:
var isCompleted2 = _extensionFrameProcessor.Read(buffer, ref offset, ref bytesTransferred);
if (isCompleted2)
{
_frameType = FrameType.Unknown;
}
break;
}
}
}
public void got_destination()
{
var buffer = new byte[]
{
0, //flags,
0, 2, // sequence number,
2, //destination length,
(byte)'M', (byte)'Q',
0, 0, // filter length
6, //payload length
(byte)'m', (byte)'o', (byte)'t', (byte)'h', (byte)'e', (byte)'r' //payload
};
var offset = 0;
var count = buffer.Length;
var sut = new MessageFrame();
var actual = sut.Read(buffer, ref offset, ref count);
sut.Destination.Should().Be("MQ");
Encoding.ASCII.GetString(sut.PayloadBuffer.Array, 0, sut.PayloadBuffer.Count).Should().Be("mother");
}
public void got_no_filter()
{
var buffer = new byte[]
{
0, //flags,
0, 2, // sequence number,
2, //destination length,
(byte)'M', (byte)'Q',
0, 0, // filter length
6, //payload length
(byte)'m', (byte)'o', (byte)'t', (byte)'h', (byte)'e', (byte)'r' //payload
};
var offset = 0;
var count = buffer.Length;
var sut = new MessageFrame();
var actual = sut.Read(buffer, ref offset, ref count);
sut.Destination.Should().Be("MQ");
sut.Properties.Should().BeEmpty();
}
public void got_no_place_to_go()
{
var buffer = new byte[]
{
0, //flags,
0, 2, // sequence number,
0, //destination length
0, 0, // filter length
6, //payload length
(byte)'m', (byte)'o', (byte)'t', (byte)'h', (byte)'e', (byte)'r' //payload
};
var offset = 0;
var count = buffer.Length;
var sut = new MessageFrame();
var actual = sut.Read(buffer, ref offset, ref count);
actual.Should().Be(true);
sut.Flags.Should().Be(FrameFlags.None);
sut.SequenceNumber.Should().Be(2);
sut.Destination.Should().BeEmpty();
Encoding.ASCII.GetString(sut.PayloadBuffer.Array, 0, sut.PayloadBuffer.Count).Should().Be("mother");
}
