exchange binary data between C++ and JavaScript by using linear-rpc - C++ part

foo.cpp

/**
 * $ git clone --recursive https://github.com/linaer-rpc/linear-cpp /path/to
 * $ cd /path/to/linear-cpp
 * $ ./bootstrap && ./configure && make
 * $ cp /this/foo.cpp /path/to/linear-cpp/sample
 * $ cd sample
 * $ g++ -I ../include -I ../deps/msgpack/include -o foo foo.cpp ../src/.libs/liblinear.a ../deps/libtv/src/.libs/libtv.a ../deps/libtv/deps/libuv/.libs/libuv.a
 * $ ./foo
 */

#include <iostream>

#include "linear/ws_server.h"

namespace sample {
class Handler : public linear::Handler {
 public:
  void OnMessage(const linear::Socket& socket, const linear::Message& message) {
    switch(message.type) {
    case linear::REQUEST:
      {
        linear::Request request = message.as<linear::Request>();
        if (request.method == "getBinary") {
          linear::type::binary bin("\0\1\2", 3); // ptr, size <= create this from pgsql data.
          linear::Response response(request.msgid, bin);
          response.Send(socket);
        }
      }
      break;
    default:
      break;
    }
  }
};
} // namespace sample

int main() {
  sample::Handler h;
  linear::WSServer server(h);
  server.Start("0.0.0.0", 37800);
  std::cout << "press return to exit" << std::endl;
  std::string p;
  std::getline(std::cin, p);
  server.Stop();
  return 0;
}