protected virtual object DecodeBody(IChannel channel, MemoryStream input, byte[] header)
{
byte flag = header[2], proto = (byte)(flag & SerializationMask);
ISerialization s = GetSerialization(channel);
IObjectInput inStream = s.Deserialize(input);
// get request id.
long id = ByteUtil.Bytes2Long(header, 4);
if ((flag & FlagRequest) == 0)
{
// decode response.
Response res = new Response(id);
if ((flag & FlagEvent) != 0)
{
res.SetEvent(Response.HeartbeatEvent);
}
// get status.
byte status = header[3];
res.Mstatus = status;
if (status == Response.Ok)
{
try
{
object data;
if (res.IsHeartBeat())
{
data = DecodeEventData(channel, inStream);
}
else if (res.Mevent)
{
data = DecodeEventData(channel, inStream);
}
else
{
data = DecodeResponseData(channel, inStream);
}
res.Mresult = data;
}
catch (Exception t)
{
res.Mstatus = Response.ClientError;
res.MerrorMsg = t.ToString();
}
}
else
{
res.MerrorMsg = inStream.ReadUTF();
}
return(res);
}
// decode request.
Request req = new Request(id);
req.Mversion = "2.0.0";
req.IsTwoWay = (flag & FlagRequest) != 0;
if ((flag & FlagEvent) != 0)
{
req.SetEvent(Request.HeartBeatEvent);
}
try
{
object data;
if (req.IsHeartbeat())
{
data = DecodeEventData(channel, inStream);
}
else if (req.IsEvent)
{
data = DecodeEventData(channel, inStream);
}
else
{
data = DecodeRequestData(channel, inStream);
}
req.Mdata = data;
}
catch (Exception t)
{
// bad request
req.IsBroken = true;
req.Mdata = t;
}
return(req);
}
public object Decode(IChannel channel, MemoryStream input)
{
IObjectInput inputo = CodecSupport.GetSerialization(channel.Url, _serializationType)
.Deserialize(input);
SetAttachment(Constants.DubboVersionKey, inputo.ReadUTF());
SetAttachment(Constants.PathKey, inputo.ReadUTF());
SetAttachment(Constants.VersionKey, inputo.ReadUTF());
MethodName = (inputo.ReadUTF());
try
{
object[] args;
Type[] pts;
string desc = inputo.ReadUTF();
if (desc.Length == 0)
{
pts = DubboCodec.EmptyClassArray;
args = DubboCodec.EmptyObjectArray;
}
else
{
pts = ReflectUtil.Desc2ClassArray(desc);
args = new object[pts.Length];
for (int i = 0; i < args.Length; i++)
{
try
{
args[i] = inputo.ReadObject(pts[i]);
}
catch (Exception)
{
//
}
}
}
ParameterTypes = (pts);
Dictionary <string, string> map = inputo.ReadObject <Dictionary <string, string> >();
if (map != null && map.Count > 0)
{
Dictionary <string, string> attachment = Attachments;
if (attachment == null)
{
attachment = new Dictionary <string, string>();
}
foreach (var kv in map)
{
attachment.Add(kv.Key, kv.Value);
}
Attachments = attachment;
}
//decode argument ,may be callback
for (int i = 0; i < args.Length; i++)
{
args[i] = inputo.ReadObject();
}
Arguments = args;
} catch (Exception e) {
throw new IOException("Read invocation data failed." + e);
} finally {
}
return(this);
}