add

+/*
+ * Copyright 2007 Stephen Liu
+ * For license terms, see the file COPYING along with this library.
+ */
+
+#ifndef __splfserver_hpp__
+#define __splfserver_hpp__
+
+#include "spthread.hpp"
+
+class SP_EventArg;
+class SP_ThreadPool;
+class SP_HandlerFactory;
+class SP_CompletionHandler;
+class SP_IOChannelFactory;
+
+typedef struct tagSP_AcceptArg SP_AcceptArg_t;
+
+struct event;
+
+// leader/follower thread pool server
+class SP_LFServer {
+public:
+	SP_LFServer( const char * bindIP, int port, SP_HandlerFactory * handlerFactory );
+	~SP_LFServer();
+
+	void setTimeout( int timeout );
+	void setMaxConnections( int maxConnections );
+	void setMaxThreads( int maxThreads );
+	void setReqQueueSize( int reqQueueSize, const char * refusedMsg );
+	void setIOChannelFactory( SP_IOChannelFactory * ioChannelFactory );
+
+	void shutdown();
+	int isRunning();
+
+	// return -1 : cannot listen on ip:port, 0 : ok
+	int run();
+
+	void runForever();
+
+private:
+	char mBindIP[ 64 ];
+	int mPort;
+	int mIsShutdown;
+	int mIsRunning;
+
+	SP_AcceptArg_t * mAcceptArg;
+
+	SP_EventArg * mEventArg;
+
+	int mMaxThreads;
+	SP_ThreadPool * mThreadPool;
+
+	SP_CompletionHandler * mCompletionHandler;
+
+	struct event * mEvAccept;
+	struct event * mEvSigInt, * mEvSigTerm;
+
+	sp_thread_mutex_t mMutex;
+
+	void handleOneEvent();
+
+	static void lfHandler( void * arg );
+
+	static void sigHandler( int, short, void * arg );
+};
+
+#endif
+