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 Send(MessageFrame frame)
{
if (frame == null) throw new ArgumentNullException("frame");
//if (!_authenticationEvent.WaitOne(100000))
// throw new InvalidOperationException("Handshake was not completed in a reasonable time.");
if (_ackReceiver != null)
{
// we can allow all requests to send messages
// if
if (_messageStore != null)
{
_messageStore.Enqueue(frame);
if (_ackReceiver.CanSend(frame))
_ackReceiver.Send(frame);
}
else
{
if (!_ackReceiver.CanSend(frame))
throw new InvalidOperationException("Cannot enqueue more messages that the given threshold.");
_ackReceiver.Send(frame);
}
}
else
DeliverMessage(frame);
}
private void OnFrame(ServerClient channel, MessageFrame frame)
{
if (frame.SequenceNumber == 65535)
{
_batchCounter ++;
Console.WriteLine(DateTime.UtcNow.ToString("HH:mm:ss.fff") + " " + (_batchCounter*65535) + " messages.");
}
if (frame.Payload != null)
{
if (frame.Payload.ToString()[0] == 'm')
{
Console.WriteLine(DateTime.UtcNow.ToString("HH:mm:ss.fff") + " done");
var buffer = Encoding.ASCII.GetBytes("completed");
channel.Send(new MessageFrame(buffer));
}
}
else if (frame.PayloadBuffer.Array[1] == 'm')
{
Console.WriteLine(DateTime.UtcNow.ToString("HH:mm:ss.fff") + " done");
var buffer = Encoding.ASCII.GetBytes("completed");
channel.Send(new MessageFrame(buffer));
}
}
public bool AckFrame(MessageFrame frame)
{
if (_lastAckTime == DateTime.MinValue)
_lastAckTime = DateTime.UtcNow;
//send acks directly for frames that we've already acked.
if (ShouldReAck(frame))
{
_lastAckTime = DateTime.UtcNow;
_lastAckedSequenceNumber = _lastReceivedSequenceNumber;
_numberOfFramesToAck = 0;
_connection.Send(new AckFrame(_extensionId, (ushort) _lastReceivedSequenceNumber));
return false;
}
lock (_syncLock)
{
_lastReceivedSequenceNumber = frame.SequenceNumber;
++_amountNotAcked;
if (_amountNotAcked < Threshold)
{
return true;
}
_lastAckTime = DateTime.UtcNow;
_lastAckedSequenceNumber = frame.SequenceNumber;
_connection.Send(new AckFrame(_extensionId, frame.SequenceNumber));
_amountNotAcked = 0;
}
return true;
}
private static void OnFrame(ServerClient channel, MessageFrame frame)
{
var msg = Encoding.ASCII.GetString(frame.PayloadBuffer.Array, frame.PayloadBuffer.Offset,
frame.PayloadBuffer.Count);
Console.WriteLine("Received '" + msg + "' from " + channel.RemoteEndPoint);
}
public void Serialize(MessageFrame frame)
{
var str = JSON.ToJSON(frame.Payload);
if (frame.PayloadBuffer.Count >= Encoding.UTF8.GetByteCount(str))
{
var buf = frame.PayloadBuffer;
var count = Encoding.UTF8.GetBytes(str, 0, str.Length, buf.Array, buf.Offset);
frame.PayloadBuffer = new ArraySegment<byte>(buf.Array, buf.Offset, count);
}
else
{
var buf = Encoding.UTF8.GetBytes(str);
frame.PayloadBuffer = new ArraySegment<byte>(buf, 0, buf.Length);
}
}
private void OnFrame(ServerClient arg1, MessageFrame arg2)
{
var destination = arg2.Destination;
IMessagingService service;
if (!_items.TryGetValue(destination, out service))
{
if (destination.StartsWith("topic/"))
{
if (!AllowDynamicTopics)
{
var errorFrame = new ErrorFrame("Topics must exist before messages are sent. Cannot create " + destination);
//arg1.Send(errorFrame);
}
}
}
}
public void code_decode_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;
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");
}
private void OnTimeSync(ServerClient channel, MessageFrame frame)
{
if (_timeSyncCompleted)
{
OnFrame(channel, frame);
return;
}
var data = Encoding.ASCII.GetString(frame.PayloadBuffer.Array, frame.PayloadBuffer.Offset,
frame.PayloadBuffer.Count);
var parts = data.Split(';');
var time = DateTime.Parse(parts[0]);
var buffer =
Encoding.ASCII.GetBytes((int)DateTime.UtcNow.Subtract(time).TotalMilliseconds + ";" +
DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
channel.Send(new MessageFrame(buffer));
//completed time sync
if (parts.Length == 2)
{
Console.WriteLine("Time synchronization completed");
_timeSyncCompleted = true;
}
}
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");
}
/// <summary>
/// Message have been queued etc and are now OK for delivery
/// </summary>
/// <param name="frame"></param>
private void DeliverMessage(MessageFrame frame)
{
//_extensionService.Prepare(frame, _connection);
if (frame.Payload != null && _payloadDotNetType != frame.Payload.GetType())
{
_payloadDotNetType = frame.Payload.GetType();
var dotNetFrame = _extensionService.CreateFrame("dotnet", _payloadDotNetType);
_connection.SendMore(dotNetFrame);
}
if (_payloadSerializer != null)
{
_payloadSerializer.Serialize(frame);
}
_connection.Send(frame);
}
private void Benchmark(SharpMessagingClient client)
{
var buffer = MessageSize < 12
? Encoding.ASCII.GetBytes("1".PadLeft(MessageSize, '0'))
: Encoding.ASCII.GetBytes("\"hello world ".PadRight(9999) + "\"");
var payload = new ArraySegment<byte>(buffer);
Console.WriteLine(DateTime.UtcNow.ToString("HH:mm:ss.fff") + " Starting");
for (var i = 1; i < MessageCount; i++)
{
var frame = new MessageFrame
{
PayloadBuffer = payload
};
client.Send(frame);
}
// packet to mark the end.
client.Send(new MessageFrame
{
PayloadBuffer =
new ArraySegment<byte>(new[]
{(byte) '"', (byte) 'm', (byte) 'o', (byte) 't', (byte) 'h', (byte) 'e', (byte) 'r', (byte) '"'})
});
}
private void DeliverMessage(MessageFrame frame)
{
frame.SequenceNumber = ++_sequenceCounter;
if (_sequenceCounter == ushort.MaxValue)
_sequenceCounter = 0;
if (frame.Payload != null && _payloadSerializer != null)
{
_payloadSerializer.Serialize(frame);
if (_dotNetExtension != null && _outboundDotNetType != frame.Payload.GetType())
{
_outboundDotNetType = frame.Payload.GetType();
var dotNetFrame = _extensionService.CreateFrame("dotnet", _outboundDotNetType);
_connection.SendMore(dotNetFrame);
}
}
_connection.Send(frame);
}
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_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 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 bool ShouldReAck(MessageFrame frame)
{
if (frame.SequenceNumber >= _lastAckedSequenceNumber)
return false;
// regular sequence and within the last sequence.
if (_lastAckedSequenceNumber - frame.SequenceNumber < Threshold)
return true;
// wrapped sequence (i.e. wrapped to zero after ushort.MaxValue)
var span = (ushort.MaxValue - _lastAckedSequenceNumber) + frame.SequenceNumber;
if (span > Threshold)
return true;
return false;
}
public void AckFrame(MessageFrame frame)
{
var ack = new AckFrame(_ackExtensionId, frame.SequenceNumber);
_connection.Send(ack);
}
private void OnTimingFrame(MessageFrame frame)
{
var data = Encoding.ASCII.GetString(frame.PayloadBuffer.Array, frame.PayloadBuffer.Offset,
frame.PayloadBuffer.Count);
var parts = data.Split(';');
if (data == "completed")
{
var clockSyncAndNetworkDelay = TimeSpan.FromMilliseconds(_timings.Average());
var elapsedTime = DateTime.UtcNow.Subtract(Started).Subtract(clockSyncAndNetworkDelay);
var mbits = (MessageCount*MessageSize*8L/elapsedTime.TotalSeconds)/1000000;
Console.WriteLine(DateTime.UtcNow.ToString("HH:mm:ss.fff") + " completed.");
Console.WriteLine("Duration: {0} ms", elapsedTime.TotalMilliseconds);
Console.WriteLine("Message Size: {0} bytes", MessageSize.ToString("N0"));
Console.WriteLine("Message Count: {0}", MessageCount.ToString("N0"));
Console.WriteLine("Total size: {0} bytes", (MessageSize*MessageCount).ToString("N0"));
Console.WriteLine("Msgs/sec: {0}", (MessageCount/elapsedTime.TotalSeconds).ToString("N0"));
Console.WriteLine("Throughput: {0} Mbit/s", mbits.ToString("N1"));
if (!File.Exists("result.csv"))
{
File.AppendAllText("result.csv", "sep=,\r\n");
File.AppendAllText("result.csv", @"""Message size (bytes)"",""Message count"",""Transfer size (bytes)"",""Msgs/Ack"",""Duration (ms)"",""Msgs/sec"",""Troughput (Mbit/s)"""+"\r\n");
}
File.AppendAllText(@"result.csv",
string.Format("{0},{1},{2},{3},{4},{5},{6}\r\n",
MessageSize.ToString(CultureInfo.InvariantCulture),
MessageCount.ToString(CultureInfo.InvariantCulture),
(MessageSize * MessageCount).ToString(CultureInfo.InvariantCulture),
MessagesPerAck,
((long)elapsedTime.TotalMilliseconds).ToString(CultureInfo.InvariantCulture),
((long)(MessageCount/elapsedTime.TotalSeconds)).ToString(CultureInfo.InvariantCulture),
mbits.ToString(CultureInfo.InvariantCulture)));
_completedEvent.Set();
return;
}
var timing = int.Parse(parts[0]);
_timings.Add(timing);
var date = DateTime.Parse(parts[1], CultureInfo.InvariantCulture);
var difference = DateTime.UtcNow.Subtract(date).TotalMilliseconds;
_timings.Add((int) difference);
if (_timings.Count == 10)
{
var buffer = Encoding.ASCII.GetBytes(DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.ffff") + ";end");
_client.Send(new MessageFrame(buffer));
}
else if (_timings.Count == 12)
{
Started = DateTime.UtcNow;
Benchmark(_client);
}
else
{
var buffer = Encoding.ASCII.GetBytes(DateTime.UtcNow.ToString("yyyy-MM-dd HH:mm:ss.ffff"));
_client.Send(new MessageFrame(buffer));
}
}
private void OnMessageFrame(MessageFrame frame)
{
if (_state != ClientState.Ready)
throw new Exception("Handshake not completed, should not have received a message frame.");
// using acks and the specified frame have already been recieved.
if (_ackSender != null && _ackSender.ShouldReAck(frame))
{
_ackSender.AckFrame(frame);
return;
}
if (_payloadSerializer != null)
{
if (_inboundDotNetType != null)
{
frame.Payload = frame.IsFlaggedAsSmall
? _payloadSerializer.Deserialize(_inboundDotNetType, frame.PayloadBuffer.Array,
frame.PayloadBuffer.Offset,
frame.PayloadBuffer.Count)
: _payloadSerializer.Deserialize(_inboundDotNetType, frame.PayloadStream);
}
else
{
frame.Payload = frame.IsFlaggedAsSmall
? _payloadSerializer.Deserialize(frame.PayloadBuffer.Array,
frame.PayloadBuffer.Offset,
frame.PayloadBuffer.Count)
: _payloadSerializer.Deserialize(frame.PayloadStream);
}
}
FrameReceived(frame);
//Do it after the event trigger, so that any exception
//doesn't ack the frame (as the client did not process it correctly).
if (_ackSender != null)
_ackSender.AckFrame(frame);
}
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");
}
public void serialize_Simplistic_filter()
{
var bufferManager = new BufferManager(8192, 1);
var context = new WriterContext(bufferManager);
var buffer = bufferManager.Dequeue();
bufferManager.Enqueue(buffer);
var expected = new byte[]
{
0, //flags,
0, 2, // sequence number,
2, //destination length,
(byte)'M', (byte)'Q',
0, 16, // 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', (byte)';', //filter part 2
6, //payload length
(byte) 'm', (byte) 'o', (byte) 't', (byte) 'h', (byte)'e', (byte)'r' //payload
};
var sut = new MessageFrame();
sut.SequenceNumber = 2;
sut.Destination = "MQ";
sut.Properties.Add("last_name", "kalle");
var payload = Encoding.ASCII.GetBytes("mother");
sut.PayloadBuffer = new ArraySegment<byte>(payload, 0, payload.Length);
var actual = sut.Write(context);
for (int i = 0; i < expected.Length; i++)
{
if (expected[i] != buffer.Array[i])
throw new InvalidOperationException("Differs at " + i);
}
}
public void Send(MessageFrame frame)
{
frame.SequenceNumber = ++_sequenceCounter;
if (_sequenceCounter == ushort.MaxValue)
_sequenceCounter = 0;
if (_ackReceiver != null)
_ackReceiver.Send(frame);
else
DeliverMessage(frame);
}
