1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
//
// server.cpp
// ~~~~~~~~~~
//
// Copyright (c) 2003-2020 Christopher M. Kohlhoff (chris at kohlhoff dot com)
//
// 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)
//
#include "server.hpp"
#include <boost/bind/bind.hpp>
namespace http {
namespace server2 {
server::server(const std::string& address, const std::string& port,
const std::string& doc_root, std::size_t io_context_pool_size)
: io_context_pool_(io_context_pool_size),
signals_(io_context_pool_.get_io_context()),
acceptor_(io_context_pool_.get_io_context()),
new_connection_(),
request_handler_(doc_root)
{
// Register to handle the signals that indicate when the server should exit.
// It is safe to register for the same signal multiple times in a program,
// provided all registration for the specified signal is made through Asio.
signals_.add(SIGINT);
signals_.add(SIGTERM);
#if defined(SIGQUIT)
signals_.add(SIGQUIT);
#endif // defined(SIGQUIT)
signals_.async_wait(boost::bind(&server::handle_stop, this));
// Open the acceptor with the option to reuse the address (i.e. SO_REUSEADDR).
boost::asio::ip::tcp::resolver resolver(acceptor_.get_executor());
boost::asio::ip::tcp::endpoint endpoint =
*resolver.resolve(address, port).begin();
acceptor_.open(endpoint.protocol());
acceptor_.set_option(boost::asio::ip::tcp::acceptor::reuse_address(true));
acceptor_.bind(endpoint);
acceptor_.listen();
start_accept();
}
void server::run()
{
io_context_pool_.run();
}
void server::start_accept()
{
new_connection_.reset(new connection(
io_context_pool_.get_io_context(), request_handler_));
acceptor_.async_accept(new_connection_->socket(),
boost::bind(&server::handle_accept, this,
boost::asio::placeholders::error));
}
void server::handle_accept(const boost::system::error_code& e)
{
if (!e)
{
new_connection_->start();
}
start_accept();
}
void server::handle_stop()
{
io_context_pool_.stop();
}
} // namespace server2
} // namespace http
|
