public override void ChannelActive(IChannelHandlerContext context)
{
RequestBytes req = new RequestBytes();
req.SetBytes(1, Encoding.UTF8.GetBytes("hello"));
context.WriteAsync(req);
context.Flush();
context.FireChannelActive();
}
public override void ChannelRead(IChannelHandlerContext context, object message)
{
RequestBytes req = message as RequestBytes;
string msg = System.Text.Encoding.UTF8.GetString(req.Bytes);
Console.WriteLine(context.Channel.RemoteAddress + "->Server :" + msg);
ResponseBytes resp = new ResponseBytes(req.InvokeId);
resp.SetBytes(1, System.Text.Encoding.UTF8.GetBytes("response from server"));
resp.Status = 1;
context.WriteAndFlushAsync(resp).Wait();
}
private void EncodeRequest(RequestBytes request, IByteBuffer output)
{
byte sign = ProtocolHeader.toSign(request.SerializerCode, ProtocolHeader.REQUEST);
long invokeId = request.InvokeId;
byte[] bytes = request.Bytes;
int length = bytes.Length;
output.WriteShort(ProtocolHeader.MAGIC)
.WriteByte(sign)
.WriteByte(0x00)
.WriteLong(invokeId)
.WriteInt(length)
.WriteBytes(bytes);
}
protected override void Decode(IChannelHandlerContext context, IByteBuffer input, List <object> output)
{
if (input is EmptyByteBuffer)
{
return;
}
switch (State)
{
case StateEnum.HEADER_MAGIC:
checkMagic(input.ReadShort()); // MAGIC
Checkpoint(StateEnum.HEADER_SIGN);
break;
case StateEnum.HEADER_SIGN:
header.sign(input.ReadByte()); // 消息标志位
Checkpoint(StateEnum.HEADER_STATUS);
break;
case StateEnum.HEADER_STATUS:
header.status(input.ReadByte()); // 状态位
Checkpoint(StateEnum.HEADER_ID);
break;
case StateEnum.HEADER_ID:
header.id(input.ReadLong()); // 消息id
Checkpoint(StateEnum.HEADER_BODY_LENGTH);
break;
case StateEnum.HEADER_BODY_LENGTH:
var bodyLen = input.ReadInt();
header.bodyLength(bodyLen); // 消息体长度
Checkpoint(StateEnum.BODY);
break;
case StateEnum.BODY:
switch (header.messageCode())
{
case ProtocolHeader.HEARTBEAT:
break;
case ProtocolHeader.REQUEST:
int length = checkBodyLength(header.bodyLength());
byte[] bytes = new byte[length];
input.ReadBytes(bytes);
RequestBytes request = new RequestBytes(header.id());
request.Timestamp = 1496732080L;
request.SetBytes(header.serializerCode(), bytes);
output.Add(request);
break;
case ProtocolHeader.RESPONSE:
int resplength = checkBodyLength(header.bodyLength());
byte[] respbytes = new byte[resplength];
input.ReadBytes(respbytes);
ResponseBytes response = new ResponseBytes(header.id());
response.Status = header.status();
response.SetBytes(header.serializerCode(), respbytes);
output.Add(response);
break;
}
Checkpoint(StateEnum.HEADER_MAGIC);
break;
}
}