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#pragma once
#include <boost/asio.hpp>
#include <stdint.h>
#include <atomic>
#include "http_connection.h"
#include "datetime.h"
#include "logging.h"
namespace crow
{
using namespace boost;
using tcp = asio::ip::tcp;
template <typename Handler>
class Server
{
public:
Server(Handler* handler, uint16_t port, uint16_t concurrency = 1)
: acceptor_(io_service_, tcp::endpoint(asio::ip::address(), port)),
socket_(io_service_),
signals_(io_service_, SIGINT, SIGTERM),
handler_(handler),
concurrency_(concurrency),
port_(port)
{
do_accept();
}
void run()
{
std::vector<std::future<void>> v;
for(uint16_t i = 0; i < concurrency_; i ++)
v.push_back(
std::async(std::launch::async, [this]{io_service_.run();})
);
CROW_LOG_INFO << "Server is running, local port " << port_;
signals_.async_wait(
[&](const boost::system::error_code& error, int signal_number){
io_service_.stop();
});
}
void stop()
{
io_service_.stop();
}
private:
void do_accept()
{
acceptor_.async_accept(socket_,
[this](boost::system::error_code ec)
{
if (!ec)
(new Connection<Handler>(std::move(socket_), handler_, server_name_))->start();
do_accept();
});
}
private:
asio::io_service io_service_;
tcp::acceptor acceptor_;
tcp::socket socket_;
boost::asio::signal_set signals_;
Handler* handler_;
uint16_t concurrency_ = {1};
std::string server_name_ = "Crow/0.1";
uint16_t port_;
};
}
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