msgpack/example/cpp03/protocol.cpp
Takatoshi Kondo 213ba44b65 Added copylight text.
Refined examples.
2015-02-01 21:35:48 +09:00

104 lines
2.8 KiB
C++

// MessagePack for C++ example
//
// Copyright (C) 2008-2015 FURUHASHI Sadayuki and KONDO Takatoshi
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//
#include <msgpack.hpp>
#include <string>
#include <iostream>
#include <sstream>
namespace myprotocol {
using namespace msgpack::type;
using msgpack::define;
struct Get : define< tuple<uint32_t, std::string> > {
Get() { }
Get(uint32_t f, const std::string& k) :
define_type(msgpack_type(f, k)) { }
uint32_t& flags() { return msgpack::type::get<0>(*this); }
std::string& key() { return msgpack::type::get<1>(*this); }
};
struct Put : define< tuple<uint32_t, std::string, raw_ref> > {
Put() { }
Put(uint32_t f, const std::string& k, const char* valref, uint32_t vallen) :
define_type(msgpack_type( f, k, raw_ref(valref,vallen) )) { }
uint32_t& flags() { return msgpack::type::get<0>(*this); }
std::string& key() { return msgpack::type::get<1>(*this); }
raw_ref& value() { return msgpack::type::get<2>(*this); }
};
struct MultiGet : define< std::vector<Get> > {
};
}
int main(void)
{
// send Get request
std::stringstream stream;
{
myprotocol::Get req;
req.flags() = 0;
req.key() = "key0";
msgpack::pack(stream, req);
}
stream.seekg(0);
// receive Get request
{
std::string buffer(stream.str());
msgpack::unpacked result;
msgpack::unpack(result, buffer.data(), buffer.size());
msgpack::object o = result.get();
myprotocol::Get req;
o.convert(req);
std::cout << "received: " << o << std::endl;
}
stream.str("");
// send MultiGet request
{
myprotocol::MultiGet req;
req.push_back( myprotocol::Get(1, "key1") );
req.push_back( myprotocol::Get(2, "key2") );
req.push_back( myprotocol::Get(3, "key3") );
msgpack::pack(stream, req);
}
stream.seekg(0);
// receive MultiGet request
{
std::string buffer(stream.str());
msgpack::unpacked result;
msgpack::unpack(result, buffer.data(), buffer.size());
msgpack::object o = result.get();
myprotocol::MultiGet req;
o.convert(req);
std::cout << "received: " << o << std::endl;
}
}