bool Connection::dequeue(MessageType type, ::google::protobuf::io::CodedInputStream &stream) {
bool res;
T msg;
uint32_t length;
if (!stream.ReadVarint32(&length)) return false;
uint32_t bytesLeft = stream.BytesUntilLimit();
if (length > bytesLeft) return false;
::google::protobuf::io::CodedInputStream::Limit limit = stream.PushLimit(length);
if ((res = msg.MergePartialFromCodedStream(&stream))) {
message(type, msg);
}
stream.PopLimit(limit);
return res;
}
bool read_ack( Ack ack, google::protobuf::io::CodedInputStream& codedInput ){
//TODO: use exception.
unsigned int ack_size;
codedInput.ReadVarint32( &ack_size );
cout<<"ack size recorded as "<< ack_size << endl ;
int limit = codedInput.PushLimit( ack_size );
bool ack_parse_ret = ack.ParseFromCodedStream(&codedInput);
codedInput.PopLimit( limit );
if( false == ack_parse_ret ){
cerr<<"parse response error" <<endl;
return false;
}
if(not ack.success()){
return false;
}
else{
return true;
}
}