cdev-1.7.2n

extensions/cdevGenericServer/include/cdevSystemEventHandler.h

@@ -0,0 +1,90 @@
+#include "cdevSystem.h"
+#include "cdevSessionManager.h"
+
+class GENERIC_SERVER_API cdevSystemEventHandler : public cdevEventHandler 
+{
+private:
+	int cdevfd;
+	
+public:
+	cdevSystemEventHandler ( cdevReactor & Reactor, int fd )
+		: cdevfd(fd)
+		{
+		Reactor.registerHandler(this, READ_MASK|WRITE_MASK|EXCEPT_MASK);
+		}
+		
+	~cdevSystemEventHandler ( void )
+		{
+		if(reactor) reactor->extractHandler(this);
+		handleClose();
+		}
+		
+	int handleInput ( void )
+		{
+		cdevSystem::defaultSystem().poll();
+		return 0;
+		}
+
+	int handleOutput ( void )
+		{
+		cdevSystem::defaultSystem().flush();
+		return 0;
+		}
+		
+	int handleExcept ( void )
+		{
+		cdevSystem::defaultSystem().poll();
+		return 0;
+		}
+	
+	int getHandle   ( void ) const
+		{
+		return cdevfd;
+		}
+};
+
+
+
+class GENERIC_SERVER_API cdevSystemEventManager : public cdevEventHandler
+{
+public:
+	cdevSystemEventManager ( cdevReactor &Reactor=cdevSessionManager::Reactor, double Rate = 30.0 )
+		{
+		setTimeoutRate(Rate);
+		Reactor.registerTimer(this);
+		cdevSystem::defaultSystem().addFdChangedCallback 
+			(cdevSystemEventManager::fdChangedCallback, this);
+		}
+		
+	~cdevSystemEventManager ( void )
+		{
+		if(reactor) reactor->extractHandler(this);
+		handleClose();
+		}
+		
+	int handleTimeout ( void )
+		{
+		cdevSystem::defaultSystem().pend(0.0001);
+		return 0;
+		}
+	
+	static void fdChangedCallback ( int fd, int opened, void * arg )
+		{
+		cdevSystemEventManager *manager = (cdevSystemEventManager *)arg;
+		cdevEventHandler       *handler;
+		cdevReactor            *reactor = manager->reactor;
+		
+		if(reactor)
+			{
+			if(opened && reactor->getHandler(fd, handler)!=0)
+				{
+				handler = new cdevSystemEventHandler(*reactor, fd);
+				}
+			else if(!opened && reactor->getHandler(fd, handler)==0)
+				{
+				delete handler;
+				}
+			}
+		}
+};
+