public static IObservable <IObservable <ClientCommand> > ClientsCommandsStream(
IObservable <ITcpResponse> tcpStream,
IObservable <IGroupedObservable <string, ClientState> > clientsStateStream)
=>
clientsStateStream
.Select(clientStateStream =>
tcpStream
.OfType <ClientDataReceived>()
.Where(response => response.ClientId == clientStateStream.Key)
.Select(response => response.Buffer)
.Select(buffer => ByteBufferUtil
.DecodeString(
buffer,
0,
buffer.ReadableBytes,
Encoding.UTF8))
.WithLatestFrom(
clientStateStream,
(text, client) =>
new ClientCommand(
client,
text
)
)
);
private static void DecodeString(string text, Encoding charset)
{
var buffer = Unpooled.CopiedBuffer(text, charset);
Assert.Equal(text, ByteBufferUtil.DecodeString(buffer, 0, buffer.ReadableBytes, charset));
buffer.Release();
}
public void Encode_Test()
{
var r1 = ByteBufferUtil.EncodeString("hellow");
var sourceBytes1 = Encoding.UTF8.GetBytes("hellow");
var dest1 = new byte[4];
Array.Copy(r1, dest1, dest1.Length);
Assert.Equal(sourceBytes1.Length, BitConverter.ToInt32(dest1));
var r2 = ByteBufferUtil.DecodeString(r1, 0, out int len);
Assert.Equal("hellow", r2);
var short_1 = BitConverter.GetBytes((short)1);
var int_1 = BitConverter.GetBytes(2);
var long_1 = BitConverter.GetBytes(3L);
var combineByte1 = ByteBufferUtil.Combine(short_1, int_1, long_1);
var startOffset = 0;
var short_2 = ByteBufferUtil.DecodeShort(combineByte1, startOffset, out startOffset);
var int_2 = ByteBufferUtil.DecodeInt(combineByte1, startOffset, out startOffset);
var long_2 = ByteBufferUtil.DecodeLong(combineByte1, startOffset, out startOffset);
Assert.Equal(1, short_2);
Assert.Equal(2, int_2);
Assert.Equal(3, long_2);
var d1 = new DateTime(2019, 1, 1, 1, 1, 1);
var b1 = ByteBufferUtil.EncodeDateTime(d1);
var d2 = ByteBufferUtil.DecodeDateTime(b1, 0, out int n1);
Assert.Equal(d1, d2);
var byte1 = new byte[] { 1, 2, 3 };
var b2 = ByteBufferUtil.EncodeBytes(byte1);
var byte2 = ByteBufferUtil.DecodeBytes(b2, 0, out int n2);
Assert.Equal(byte1, byte2);
}
string FormatByteBuffer(string eventName, IByteBuffer msg)
{
var sbuf = ByteBufferUtil.DecodeString(msg, msg.ReaderIndex, msg.ReadableBytes, Encoding.UTF8);
return($"{eventName}: {sbuf}");
}
