void CPluginTransportTCP::handleAsyncConnect(const boost::system::error_code & err, boost::asio::ip::tcp::resolver::iterator endpoint_iterator)
{
delete m_Resolver;
m_Resolver = NULL;
if (!err)
{
m_bConnected = true;
m_Socket->async_read_some(boost::asio::buffer(m_Buffer, sizeof m_Buffer),
boost::bind(&CPluginTransportTCP::handleRead, this, boost::asio::placeholders::error, boost::asio::placeholders::bytes_transferred));
if (ios.stopped()) // make sure that there is a boost thread to service i/o operations
{
ios.reset();
_log.Log(LOG_NORM, "PluginSystem: Starting I/O service thread.");
boost::thread bt(boost::bind(&boost::asio::io_service::run, &ios));
}
}
else
{
delete m_Socket;
m_Socket = NULL;
// _log.Log(LOG_ERROR, "Plugin: Connection Exception: '%s' connecting to '%s:%s'", err.message().c_str(), m_IP.c_str(), m_Port.c_str());
}
ConnectedMessage* Message = new ConnectedMessage(m_HwdID, err.value(), err.message());
boost::lock_guard<boost::mutex> l(PluginMutex);
PluginMessageQueue.push(Message);
}
void io_service_work( boost::asio::io_service& ios )
{
while( !boost::this_thread::interruption_requested() ){
try{
ios.run();
}catch( boost::system::error_code &e ){
shot<connect_error>( boost::ref(e) );
}catch( boost::system::system_error & e ){
shot<system_error>( boost::ref(e) );
}catch( std::exception& e ){
shot<exception>( boost::ref(e) );
}catch(...){ assert(0); }
if( ios.stopped() ){
boost::this_thread::sleep( boost::posix_time::milliseconds(10) );
ios.reset();
}
}
}
// MsgWaitForMultipleObjectsEx 集成进去.
static inline void avloop_run_gui(boost::asio::io_service& io_service)
{
using namespace ::detail;
boost::asio::io_service::work work(io_service);
if (!boost::asio::has_service<IdleService>(io_service))
boost::asio::add_service(io_service, new IdleService(io_service));
if (!boost::asio::has_service<Win32MsgLoopService>(io_service))
boost::asio::add_service(io_service, new Win32MsgLoopService(io_service));
while (!io_service.stopped())
{
// 首先处理 asio 的消息.
while (io_service.poll())
{
// 然后执行 gui 循环，看有没有 gui 事件.
if (boost::asio::use_service<Win32MsgLoopService>(io_service).has_message())
{
// 执行以下.
boost::asio::use_service<Win32MsgLoopService>(io_service).poll_one();
}
}
// 然后执行 gui 循环，看有没有 gui 事件.
while(boost::asio::use_service<Win32MsgLoopService>(io_service).has_message())
{
// 执行以下.
boost::asio::use_service<Win32MsgLoopService>(io_service).poll_one();
}
// 执行 idle handler!
if (boost::asio::use_service<IdleService>(io_service).has_idle())
boost::asio::use_service<IdleService>(io_service).poll_one();
// 都没有事件了，执行 一次 1ms 的超时等待.
auto ret = MsgWaitForMultipleObjectsEx(0, nullptr, 1, QS_ALLEVENTS, MWMO_WAITALL|MWMO_ALERTABLE | MWMO_INPUTAVAILABLE);
// 可能是有 gui 消息了， 呵呵， 从头来吧.
}
}
static inline void avloop_run(boost::asio::io_service& io_service)
{
using namespace ::detail;
if (!boost::asio::has_service<IdleService>(io_service))
boost::asio::add_service(io_service, new IdleService(io_service));
while (!io_service.stopped())
{
if(!boost::asio::use_service<IdleService>(io_service).has_idle())
{
if (!io_service.run_one())
break;
}
else
{
while (io_service.poll());
// 执行 idle handler!
boost::asio::use_service<IdleService>(io_service).poll_one();
}
}
}
bool CPluginTransportTCP::handleConnect()
{
try
{
if (!m_Socket)
{
m_bConnected = false;
m_Resolver = new boost::asio::ip::tcp::resolver(ios);
m_Socket = new boost::asio::ip::tcp::socket(ios);
boost::system::error_code ec;
boost::asio::ip::tcp::resolver::query query(m_IP, m_Port);
boost::asio::ip::tcp::resolver::iterator iter = m_Resolver->resolve(query);
boost::asio::ip::tcp::endpoint endpoint = *iter;
//
// Async resolve/connect based on http://www.boost.org/doc/libs/1_45_0/doc/html/boost_asio/example/http/client/async_client.cpp
//
m_Resolver->async_resolve(query, boost::bind(&CPluginTransportTCP::handleAsyncResolve, this, boost::asio::placeholders::error, boost::asio::placeholders::iterator));
if (ios.stopped()) // make sure that there is a boost thread to service i/o operations
{
ios.reset();
_log.Log(LOG_NORM, "PluginSystem: Starting I/O service thread.");
boost::thread bt(boost::bind(&boost::asio::io_service::run, &ios));
}
}
}
catch (std::exception& e)
{
// _log.Log(LOG_ERROR, "Plugin: Connection Exception: '%s' connecting to '%s:%s'", e.what(), m_IP.c_str(), m_Port.c_str());
ConnectedMessage* Message = new ConnectedMessage(m_HwdID, -1, std::string(e.what()));
boost::lock_guard<boost::mutex> l(PluginMutex);
PluginMessageQueue.push(Message);
return false;
}
return true;
}
service( boost::asio::io_service & io_svc) :
boost::asio::io_service::service( io_svc),
work_{ new boost::asio::io_service::work( io_svc) } {
io_svc.post([&io_svc](){
//]
//[asio_rr_service_lambda
while ( ! io_svc.stopped() ) {
if ( boost::fibers::has_ready_fibers() ) {
// run all pending handlers in round_robin
while ( io_svc.poll() );
// run pending (ready) fibers
this_fiber::yield();
} else {
// run one handler inside io_service
// if no handler available, block this thread
if ( ! io_svc.run_one() ) {
break;
}
}
}
//]
//[asio_rr_service_bottom
});
}