public void assigns_identity_properly()
{
var service = Substitute.For<IExtensionService>();
var mgr = new BufferManager(100, 10);
var sut = new SharpMessaging.Connection.Connection("adam", service, true, mgr);
sut.Identity.Should().Be("adam");
}
public void can_write_to_our_context()
{
var buffer = new byte[] {1, 2, 3, 4, 5, 6, 7};
var mgr = new BufferManager(100, 10);
var context = new WriterContext(mgr);
var sut = new ByteBufferWriter(buffer, 0, buffer.Length);
sut.Write(context);
context.GetPackets()[0].Buffer.Should().BeSubsetOf(buffer);
}
public void partial_bytes_are_copied()
{
var buffer = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
var mgr = new BufferManager(100, 10);
var context = new WriterContext(mgr);
context.BytesLeftToEnqueue = 4;
var sut = new ByteBufferWriter(buffer, 0, buffer.Length);
sut.Write(context);
context.GetPackets()[0].Buffer[3].Should().Be(4);
}
public void can_do_partial_write()
{
var buffer = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
var mgr = new BufferManager(100, 10);
var context = new WriterContext(mgr);
context.BytesLeftToEnqueue = 4;
var sut = new ByteBufferWriter(buffer, 0, buffer.Length);
var actual = sut.Write(context);
actual.Should().BeFalse();
}
public void serialize_and_deserialize_should_be_compatible()
{
var mgr = new BufferManager(65535, 10);
var ctx = new WriterContext(mgr);
var msg1 =new SharpMessaging.Frames.ErrorFrame("Help!");
msg1.Write(ctx);
var buf = ctx.GetPackets()[0].Buffer;
var offset = ctx.GetPackets()[0].Offset;
var len = ctx.GetPackets()[0].Count;
var msg2 = new SharpMessaging.Frames.ErrorFrame();
msg2.Read(buf, ref offset, ref len);
msg2.ErrorMessage.Should().Be("Help!");
}
public void can_continue_on_a_partial_write()
{
var buffer = new byte[] { 1, 2, 3, 4, 5, 6, 7 };
var mgr = new BufferManager(100, 10);
var context = new WriterContext(mgr);
context.BytesLeftToEnqueue = 4;
var sut = new ByteBufferWriter(buffer, 0, buffer.Length);
context.BytesLeftToEnqueue = 4;
sut.Write(context);
context.BytesLeftToEnqueue = 10;
var actual = sut.Write(context);
actual.Should().BeTrue();
var packet = context.GetPackets()[1];
packet.Buffer[packet.Offset + 2].Should().Be(7);
}
public ServerClient(string identity, IExtensionRegistry extensionRegistry, BufferManager bufferManager)
{
ServerName = identity;
_bufferManager = bufferManager;
_extensionService = new ExtensionService(extensionRegistry, DeliverMessage);
_connection = new Connection.Connection(ServerName, _extensionService, true, _bufferManager)
{
ExtensionFrameReceived = OnExtensionFrame,
MessageFrameReceived = OnMessageFrame,
WriteCompleted = OnWriteCompleted,
};
_connection.HandshakeReceived += OnHandshakeFrame;
_connection.Disconnected += HandleRemoteDisconnect;
_state = ServerState.WaitingOnInitialHandshake;
ServerName = "FastSocket v" + Major + "." + Minor;
}
public void uses_the_assigned_socket()
{
var service = Substitute.For<IExtensionService>();
var mgr = new BufferManager(100, 10);
var isDisconnected = false;
using (var helper = new ClientServerHelper()) // wrap for cleanup
{
var sut = new SharpMessaging.Connection.Connection("adam", service, true, mgr);
sut.Disconnected += (o,error) => isDisconnected = true;
sut.Assign(helper.Server);
helper.Client.Shutdown(SocketShutdown.Send);
Thread.Sleep(100);
}
isDisconnected.Should().BeTrue();
}
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");
}
public void frame_with_extension_properties_can_be_codec()
{
var bufferManager = new BufferManager(8192, 1);
var context = new WriterContext(bufferManager);
var buffer = bufferManager.Dequeue();
bufferManager.Enqueue(buffer);
var sut = new HandshakeFrame();
sut.Identity = "Client";
sut.OptionalExtensions = new[] { new HandshakeExtension("json", new Dictionary<string, string>{{"Key", "Value"}}), new HandshakeExtension("ack") };
sut.RequiredExtensions = new[] { new HandshakeExtension("dotnet") };
sut.VersionMajor = 1;
sut.Write(context);
sut.ResetWrite(context);
var offset = buffer.Offset;
var receiveFrame = new HandshakeFrame();
var len = context.GetPackets()[0].Count;
receiveFrame.Read(buffer.Array, ref offset, ref len);
receiveFrame.OptionalExtensions[0].Properties["Key"].Should().Be("Value");
}
public Connection(string identity, IExtensionService extensionRegistry, bool isServer,
BufferManager bufferManager)
{
_identity = identity ?? "FastSocket v" + Major + "" + Minor;
_readArgs = new SocketAsyncEventArgs();
_readArgs.Completed += OnReadCompleted;
_writeArgs = new SocketAsyncEventArgs();
_writeArgs.Completed += OnWriteCompleted;
//_writeArgs.SendPacketsFlags = TransmitFileOptions.UseKernelApc;
_extensionFrameProcessor = new ExtensionFrameProcessor(extensionRegistry.CreateFrame, OnExtension);
_writerContext = new WriterContext(bufferManager);
ExtensionFrameReceived = frame => { };
HandshakeReceived = (o, e) => { };
MessageFrameReceived = frame => { };
WriteCompleted = i => { };
Disconnected = (o, e) => { };
Fault = (o, e) => { };
}
public void send_a_frame()
{
var service = Substitute.For<IExtensionService>();
var mgr = new BufferManager(100, 10);
var isDisconnected = false;
using (var helper = new ClientServerHelper()) // wrap for cleanup
{
var sut = new SharpMessaging.Connection.Connection("adam", service, true, mgr);
sut.Disconnected += (o,error) => isDisconnected = true;
sut.Assign(helper.Server);
sut.Send(new HandshakeFrame(){Identity = "A"});
Thread.Sleep(100);
byte[] buffer = new byte[65535];
var bytesRead = helper.Client.Receive(buffer, SocketFlags.None);
var frame = new HandshakeFrame();
var offset = 0;
int len = bytesRead;
frame.Read(buffer, ref offset, ref len);
frame.Identity.Should().Be("A");
}
}
public void frame_Should_be_able_to_parse_multiple_incoming_buffers_if_reseted_in_between()
{
var bufferManager = new BufferManager(8192, 1);
var context = new WriterContext(bufferManager);
var buffer = bufferManager.Dequeue();
bufferManager.Enqueue(buffer);
var sut = new HandshakeFrame();
sut.Identity = "Client";
sut.OptionalExtensions = new[] {new HandshakeExtension("json"), new HandshakeExtension("ack") };
sut.RequiredExtensions = new[] {new HandshakeExtension("dotnet") };
sut.VersionMajor = 1;
sut.Write(context);
sut.ResetWrite(context);
var offset = buffer.Offset;
var len = context.GetPackets()[0].Count;
sut.Read(buffer.Array, ref offset, ref len);
sut.ResetRead();
offset = buffer.Offset;
len = context.GetPackets()[0].Count;
sut.Read(buffer.Array, ref offset, ref len);
len.Should().Be(0);
}
public WriterContext(BufferManager bufferManager)
{
_bufferManager = bufferManager;
}
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 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();
}