void listen(endpoint_type const & endpoint, boost::system::error_code & ec, bool reuse_addr = true)
{
if (endpoint.protocol() == protocol_type::v4())
v4_type::listen(endpoint, ec, reuse_addr);
if (endpoint.protocol() == protocol_type::v6())
v6_type::listen(endpoint, ec, reuse_addr);
}
explicit
socket(endpoint_type endpoint) {
typename endpoint_type::protocol_type protocol = endpoint.protocol();
m_fd = ::socket(protocol.family(), protocol.type(), protocol.protocol());
if(m_fd == -1) {
throw std::system_error(errno, std::system_category(), "unable to create a socket");
}
medium_type::configure(m_fd);
if(::connect(m_fd, endpoint.data(), endpoint.size()) != 0) {
auto ec = std::error_code(errno, std::system_category());
::close(m_fd);
throw std::system_error(
ec,
cocaine::format("unable to connect a socket to '%s'", endpoint)
);
}
::fcntl(m_fd, F_SETFD, FD_CLOEXEC);
::fcntl(m_fd, F_SETFL, O_NONBLOCK);
}
/**
* This function is used to connect a socket to the specified remote endpoint.
* The function call will block until the connection is successfully made or
* an error occurs.
*
* The socket is automatically opened if it is not already open. If the
* connect fails, and the socket was automatically opened, the socket is
* not returned to the closed state.
*
* @param peer_endpoint The remote endpoint to which the socket will be
* connected.
*
* @throws boost::system::system_error Thrown on failure.
*
* @par Example
* @code
* boost::asio::ip::tcp::socket socket(io_service);
* boost::asio::ip::tcp::endpoint endpoint(
* boost::asio::ip::address::from_string("1.2.3.4"), 12345);
* socket.connect(endpoint);
* @endcode
*/
void connect(const endpoint_type& peer_endpoint)
{
boost::system::error_code ec;
if (!is_open())
{
this->service.open(this->implementation, peer_endpoint.protocol(), ec);
boost::asio::detail::throw_error(ec);
}
this->service.connect(this->implementation, peer_endpoint, ec);
boost::asio::detail::throw_error(ec);
}
// Resolve an endpoint to a list of entries.
iterator_type resolve(implementation_type&,
const endpoint_type& endpoint, asio::error_code& ec)
{
char host_name[NI_MAXHOST];
char service_name[NI_MAXSERV];
socket_ops::sync_getnameinfo(endpoint.data(), endpoint.size(),
host_name, NI_MAXHOST, service_name, NI_MAXSERV,
endpoint.protocol().type(), ec);
return ec ? iterator_type() : iterator_type::create(
endpoint, host_name, service_name);
}
/**
* This function is used to connect a socket to the specified remote endpoint.
* The function call will block until the connection is successfully made or
* an error occurs.
*
* The socket is automatically opened if it is not already open. If the
* connect fails, and the socket was automatically opened, the socket is
* not returned to the closed state.
*
* @param peer_endpoint The remote endpoint to which the socket will be
* connected.
*
* @throws asio::system_error Thrown on failure.
*
* @par Example
* @code
* asio::ip::tcp::socket socket(io_service);
* asio::ip::tcp::endpoint endpoint(
* asio::ip::address::from_string("1.2.3.4"), 12345);
* socket.connect(endpoint);
* @endcode
*/
void connect(const endpoint_type& peer_endpoint)
{
asio::error_code ec;
if (!is_open())
{
this->get_service().open(this->get_implementation(),
peer_endpoint.protocol(), ec);
asio::detail::throw_error(ec, "connect");
}
this->get_service().connect(this->get_implementation(), peer_endpoint, ec);
asio::detail::throw_error(ec, "connect");
}
/**
* This function is used to connect a socket to the specified remote endpoint.
* The function call will block until the connection is successfully made or
* an error occurs.
*
* The socket is automatically opened if it is not already open. If the
* connect fails, and the socket was automatically opened, the socket is
* not returned to the closed state.
*
* @param peer_endpoint The remote endpoint to which the socket will be
* connected.
*
* @param ec Set to indicate what error occurred, if any.
*
* @par Example
* @code
* boost::asio::ip::tcp::socket socket(io_service);
* boost::asio::ip::tcp::endpoint endpoint(
* boost::asio::ip::address::from_string("1.2.3.4"), 12345);
* boost::system::error_code ec;
* socket.connect(endpoint, ec);
* if (ec)
* {
* // An error occurred.
* }
* @endcode
*/
boost::system::error_code connect(const endpoint_type& peer_endpoint,
boost::system::error_code& ec)
{
if (!is_open())
{
if (this->service.open(this->implementation,
peer_endpoint.protocol(), ec))
{
return ec;
}
}
return this->service.connect(this->implementation, peer_endpoint, ec);
}
http_sync_server(endpoint_type const& ep,
std::string const& root)
: sock_(ios_)
, acceptor_(ios_)
, root_(root)
{
acceptor_.open(ep.protocol());
acceptor_.bind(ep);
acceptor_.listen(
boost::asio::socket_base::max_connections);
acceptor_.async_accept(sock_,
std::bind(&http_sync_server::on_accept, this,
beast::asio::placeholders::error));
thread_ = std::thread{[&]{ ios_.run(); }};
}
/**
* This function is used to connect a socket to the specified remote endpoint.
* The function call will block until the connection is successfully made or
* an error occurs.
*
* The socket is automatically opened if it is not already open. If the
* connect fails, and the socket was automatically opened, the socket is
* not returned to the closed state.
*
* @param peer_endpoint The remote endpoint to which the socket will be
* connected.
*
* @param ec Set to indicate what error occurred, if any.
*
* @par Example
* @code
* asio::ip::tcp::socket socket(io_service);
* asio::ip::tcp::endpoint endpoint(
* asio::ip::address::from_string("1.2.3.4"), 12345);
* asio::error_code ec;
* socket.connect(endpoint, ec);
* if (ec)
* {
* // An error occurred.
* }
* @endcode
*/
asio::error_code connect(const endpoint_type& peer_endpoint,
asio::error_code& ec)
{
if (!is_open())
{
if (this->get_service().open(this->get_implementation(),
peer_endpoint.protocol(), ec))
{
return ec;
}
}
return this->get_service().connect(
this->get_implementation(), peer_endpoint, ec);
}
void async_connect(const endpoint_type& peer_endpoint, ConnectHandler handler)
{
if (!is_open())
{
boost::system::error_code ec;
if (this->service.open(this->implementation,
peer_endpoint.protocol(), ec))
{
this->get_io_service().post(
boost::asio::detail::bind_handler(handler, ec));
return;
}
}
this->service.async_connect(this->implementation, peer_endpoint, handler);
}
/**
* This constructor creates an acceptor and automatically opens it to listen
* for new connections on the specified endpoint.
*
* @param io_service The io_service object that the acceptor will use to
* dispatch handlers for any asynchronous operations performed on the
* acceptor.
*
* @param endpoint An endpoint on the local machine on which the acceptor
* will listen for new connections.
*
* @param reuse_addr Whether the constructor should set the socket option
* socket_base::reuse_address.
*
* @throws asio::system_error Thrown on failure.
*
* @note This constructor is equivalent to the following code:
* @code
* basic_socket_acceptor<Protocol> acceptor(io_service);
* acceptor.open(endpoint.protocol());
* if (reuse_addr)
* acceptor.set_option(socket_base::reuse_address(true));
* acceptor.bind(endpoint);
* acceptor.listen(listen_backlog);
* @endcode
*/
basic_socket_acceptor(asio::io_service& io_service,
const endpoint_type& endpoint, bool reuse_addr = true)
: basic_io_object<SocketAcceptorService>(io_service)
{
asio::error_code ec;
this->service.open(this->implementation, endpoint.protocol(), ec);
asio::detail::throw_error(ec);
if (reuse_addr)
{
this->service.set_option(this->implementation,
socket_base::reuse_address(true), ec);
asio::detail::throw_error(ec);
}
this->service.bind(this->implementation, endpoint, ec);
asio::detail::throw_error(ec);
this->service.listen(this->implementation,
socket_base::max_connections, ec);
asio::detail::throw_error(ec);
}
sync_echo_server(bool server, endpoint_type ep)
: sock_(ios_)
, acceptor_(ios_)
{
error_code ec;
acceptor_.open(ep.protocol(), ec);
maybe_throw(ec, "open");
acceptor_.set_option(
boost::asio::socket_base::reuse_address{true});
acceptor_.bind(ep, ec);
maybe_throw(ec, "bind");
acceptor_.listen(
boost::asio::socket_base::max_connections, ec);
maybe_throw(ec, "listen");
acceptor_.async_accept(sock_,
std::bind(&sync_echo_server::on_accept, this,
beast::asio::placeholders::error));
thread_ = std::thread{[&]{ ios_.run(); }};
}