// Called when the timer expires.
// We operate the timer continuously this simplifies the code.
//
void on_timer(error_code ec)
{
if(ec && ec != boost::asio::error::operation_aborted)
return fail("timer", ec);
// Verify that the timer really expired
// since the deadline may have moved.
//
if(timer_.expires_at() <= clock_type::now())
{
// Closing the socket cancels all outstanding
// operations. They will complete with
// boost::asio::error::operation_aborted
//
ws_.next_layer().close(ec);
return;
}
// Wait on the timer
timer_.async_wait(
strand_.wrap(std::bind(
&connection::on_timer,
shared_from_this(),
std::placeholders::_1)));
}
void check_deadline()
{
// The deadline may have moved, so check it has really passed.
if (request_deadline_.expiry() <= std::chrono::steady_clock::now())
{
// Close socket to cancel any outstanding operation.
boost::beast::error_code ec;
socket_.close();
// Sleep indefinitely until we're given a new deadline.
request_deadline_.expires_at(
std::chrono::steady_clock::time_point::max());
}
request_deadline_.async_wait(
[this](boost::beast::error_code)
{
check_deadline();
});
}