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// MessagePack for C++ example

// Distributed under the Boost Software License, Version 1.0.

// (See accompanying file LICENSE_1_0.txt or copy at

// http://www.boost.org/LICENSE_1_0.txt)

// g++ -std=c++11 -O3 -g -Ipath_to_msgpack_src -Ipath_to_boost speed_test.cc -Lpath_to_boost_lib -lboost_timer -lboost_system

// export LD_LIBRARY_PATH=path_to_boost_lib

#include <msgpack.hpp>

#include <string>

#include <iostream>

#include <sstream>

#include <vector>

#include <boost/timer/timer.hpp>

template <typename T, std::size_t level>

struct vecvec {

typedef std::vector<typename vecvec<T, level - 1>::type> type;

static void fill(type& v, std::size_t num_of_elems, T const& val) {

for (std::size_t elem = 0; elem < num_of_elems; ++elem) {

typename vecvec<T, level - 1>::type child;

vecvec<T, level - 1>::fill(child, num_of_elems, val);

v.push_back(child);

}

};

template <typename T>

struct vecvec<T, 0> {

typedef std::vector<T> type;

static void fill(type& v, std::size_t num_of_elems, T const& val) {

for (std::size_t elem = 0; elem < num_of_elems; ++elem) {

v.push_back(val);

}

};

void test_array_of_array() {

std::cout << "[TEST][array_of_array]" << std::endl;

// setup

int const depth = 4;

std::cout << "Setting up array data..." << std::endl;

vecvec<int, depth>::type v1;

vecvec<int, depth>::fill(v1, 3, 42);

std::cout << "Start packing..." << std::endl;

std::stringstream buffer;

{

boost::timer::cpu_timer timer;

msgpack::pack(buffer, v1);

std::string result = timer.format();

std::cout << result << std::endl;

}

std::cout << "Pack finished..." << std::endl;

buffer.seekg(0);

std::string str(buffer.str());

msgpack::object_handle oh;

std::cout << "Start unpacking...by void unpack(object_handle& oh, const char* data, size_t len)" << std::endl;

{

boost::timer::cpu_timer timer;

msgpack::unpack(oh, str.data(), str.size());

std::string result = timer.format();

std::cout << result << std::endl;

}

std::cout << "Unpack finished..." << std::endl;

vecvec<int, depth>::type v2;

std::cout << "Start converting..." << std::endl;

{

boost::timer::cpu_timer timer;

oh.get().convert(v2);

std::string result = timer.format();

std::cout << result << std::endl;

}

std::cout << "Convert finished..." << std::endl;

}

int main(void)

{

test_array_of_array();

}