/**
This function loads a protobuf object from a file using the assumption that it is proceeded with a 64 bit Poco::Int64 in network byte order that holds the size of the object to be loaded and deserialized.
@param inputPath: The path to the file to load from
@param inputMessageBuffer: The protobuf object to deserialize to
@return: true if the message could be loaded and deserialized and false otherwise
*/
bool pylongps::loadProtobufObjectFromFile(const std::string &inputPath, google::protobuf::Message &inputMessageBuffer)
{
//Read size of object in file
std::string sizeString;
if(readStringFromFile(sizeString, sizeof(Poco::Int64), inputPath) == false)
{
return false;
}
Poco::Int64 objectSizeNetworkOrder = *((Poco::Int64 *) sizeString.c_str());
Poco::Int64 objectSize = Poco::ByteOrder::fromNetwork(objectSizeNetworkOrder);
//Read size+object
std::string sizeAndObjectString;
if(readStringFromFile(sizeAndObjectString, sizeof(Poco::Int64)+objectSize, inputPath) == false)
{
return false;
}
//Clip off size
std::string objectString = sizeAndObjectString.substr(sizeof(Poco::Int64));
//Deserialize the protobuf object
inputMessageBuffer.ParseFromString(objectString);
if(!inputMessageBuffer.IsInitialized())
{
printf("Message not initialized\n");
return false;
}
return true;
}
bool read_message(boost::asio::ip::tcp::socket& s, ::google::protobuf::Message& msg)
{
bling_pb::header hdr;
string str = read_string(s, header_length);
if (!hdr.ParseFromString(str))
return false;
//cout << "hdr::" << hdr.ShortDebugString() << endl;
str = read_string(s, hdr.len());
//hexdump(str);
if (hdr.msg_id() == bling_pb::header::SLAVE_LIST &&
(typeid(msg) == typeid(bling_pb::slave_list)))
return msg.ParseFromString(str);
cout << "Received message doesn't match expected." << endl;
return false;
}
void decode(google::protobuf::Message& message, const std::string& data, Client* client) {
if (!message.ParseFromString(data))
throw DecodeFailed("Failed to decode message");
}