boost::optional<BoostConnectionServer::Error> BoostConnectionServer::tryStart() {
try {
assert(!acceptor_);
if (address_.isValid()) {
acceptor_ = new boost::asio::ip::tcp::acceptor(
*ioService_,
boost::asio::ip::tcp::endpoint(address_.getRawAddress(), boost::numeric_cast<unsigned short>(port_)));
}
else {
acceptor_ = new boost::asio::ip::tcp::acceptor(
*ioService_,
boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), boost::numeric_cast<unsigned short>(port_)));
}
acceptNextConnection();
}
catch (const boost::system::system_error& e) {
if (e.code() == boost::asio::error::address_in_use) {
return Conflict;
}
else {
return UnknownError;
}
}
return boost::optional<Error>();
}
void BoostConnectionServer::handleAccept(boost::shared_ptr<BoostConnection> newConnection, const boost::system::error_code& error) {
if (error) {
eventLoop->postEvent(
boost::bind(
&BoostConnectionServer::stop, shared_from_this(), UnknownError),
shared_from_this());
}
else {
eventLoop->postEvent(
boost::bind(boost::ref(onNewConnection), newConnection),
shared_from_this());
newConnection->listen();
acceptNextConnection();
}
}
void BoostConnectionServer::start() {
try {
assert(!acceptor_);
acceptor_ = new boost::asio::ip::tcp::acceptor(
*ioService_,
boost::asio::ip::tcp::endpoint(boost::asio::ip::tcp::v4(), port_));
acceptNextConnection();
}
catch (const boost::system::system_error& e) {
if (e.code() == boost::asio::error::address_in_use) {
eventLoop->postEvent(boost::bind(boost::ref(onStopped), Conflict), shared_from_this());
}
else {
eventLoop->postEvent(boost::bind(boost::ref(onStopped), UnknownError), shared_from_this());
}
}
}
Error runSingleThreaded()
{
// update state
running_ = true;
// get ready for next connection
acceptNextConnection();
// initialize scheduled command timer
waitForScheduledCommandTimer();
// run
runServiceThread();
return Success();
}
Error run(std::size_t threadPoolSize = 1)
{
try
{
// update state
running_ = true;
// get ready for next connection
acceptNextConnection();
// initialize scheduled command timer
waitForScheduledCommandTimer();
// block all signals for the creation of the thread pool
// (prevents signals from occurring on any of the handler threads)
core::system::SignalBlocker signalBlocker;
Error error = signalBlocker.blockAll();
if (error)
return error ;
// create the threads
for (std::size_t i=0; i < threadPoolSize; ++i)
{
// run the thread
boost::shared_ptr<boost::thread> pThread(new boost::thread(
&AsyncServer<ProtocolType>::runServiceThread,
this));
// add to list of threads
threads_.push_back(pThread);
}
}
catch(const boost::thread_resource_error& e)
{
return Error(boost::thread_error::ec_from_exception(e),
ERROR_LOCATION);
}
return Success();
}
