static void KickCallback(IntPtr userData, IntPtr err, IntPtr kickAnswerBuf)
{
var handle = GCHandle.FromIntPtr(userData);
var context = (CallbackContext <bool>)handle.Target;
if (err != IntPtr.Zero)
{
var pe = new PitayaError(
PitayaCluster.pitaya_error_code(err),
PitayaCluster.pitaya_error_message(err));
context.t.SetException(new Exception($"Kick failed: code={pe.Code} message={pe.Message}"));
return;
}
Int32 len;
IntPtr resData = PitayaCluster.pitaya_buffer_data(kickAnswerBuf, out len);
var kickAnswer = new KickAnswer();
kickAnswer.MergeFrom(new CodedInputStream(GetDataFromRawPointer(resData, len)));
if (!kickAnswer.Kicked)
{
context.t.SetException(new Exception($"Kick failed: received kicked=false from server"));
return;
}
context.t.SetResult(true);
}
static void RpcCallback <T>(IntPtr userData, IntPtr err, IntPtr responseBuf)
{
var handle = GCHandle.FromIntPtr(userData);
var context = (CallbackContext <T>)handle.Target;
if (err != IntPtr.Zero)
{
var pitayaError = new PitayaError(
PitayaCluster.pitaya_error_code(err),
PitayaCluster.pitaya_error_message(err));
context.t.SetException(new PitayaException($"RPC call failed: ({pitayaError.Code}: {pitayaError.Message})"));
return;
}
Int32 len;
IntPtr resData = PitayaCluster.pitaya_buffer_data(responseBuf, out len);
byte[] resBytes = GetDataFromRawPointer(resData, len);
try
{
// An RPC message comes encoded as a Protos.Response protobuf message.
// The data field of the message is going to be either encoded in protobuf or JSON,
// which is taken care by our serializer variable
var rpcResponse = new Protos.Response();
rpcResponse.MergeFrom(resBytes);
if (rpcResponse.Error == null)
{
T remoteResponse = (T)context.serializer.Unmarshal(rpcResponse.Data.ToByteArray(), typeof(T));
context.t.SetResult(remoteResponse);
}
else
{
context.t.SetException(new PitayaException(
"rpc failed: code={0} msg={1}",
rpcResponse.Error.Code, rpcResponse.Error.Msg
));
}
}
catch (Exception e)
{
context.t.SetException(new PitayaException(
"failed to parse rpc response: {0} (payload={1})",
e.Message, Encoding.UTF8.GetString(resBytes)
));
}
}