add

+/*
+ * Copyright 2007 Stephen Liu
+ * For license terms, see the file COPYING along with this library.
+ */
+
+
+#ifndef __spsession_hpp__
+#define __spsession_hpp__
+
+#include "spresponse.hpp"
+
+class SP_Handler;
+class SP_Buffer;
+class SP_Session;
+class SP_ArrayList;
+class SP_Request;
+class SP_IOChannel;
+
+struct event;
+
+class SP_Session {
+public:
+	SP_Session( SP_Sid_t sid );
+	virtual ~SP_Session();
+
+	struct event * getReadEvent();	
+	struct event * getWriteEvent();	
+
+	void setHandler( SP_Handler * handler );
+	SP_Handler * getHandler();
+
+	void setArg( void * arg );
+	void * getArg();
+
+	SP_Sid_t getSid();
+
+	SP_Buffer * getInBuffer();
+	SP_Request * getRequest();
+
+	void setOutOffset( int offset );
+	int getOutOffset();
+	SP_ArrayList * getOutList();
+
+	enum { eNormal, eWouldExit, eExit };
+	void setStatus( int status );
+	int getStatus();
+
+	int getRunning();
+	void setRunning( int running );
+
+	int getReading();
+	void setReading( int reading );
+
+	int getWriting();
+	void setWriting( int writing );
+
+	SP_IOChannel * getIOChannel();
+	void setIOChannel( SP_IOChannel * ioChannel );
+
+	unsigned int getTotalRead();
+	void addRead( int len );
+
+	unsigned int getTotalWrite();
+	void addWrite( int len );
+
+private:
+
+	SP_Session( SP_Session & );
+	SP_Session & operator=( SP_Session & );
+
+	SP_Sid_t mSid;
+
+	struct event * mReadEvent;
+	struct event * mWriteEvent;
+
+	SP_Handler * mHandler;
+	void * mArg;
+
+	SP_Buffer * mInBuffer;
+	SP_Request * mRequest;
+
+	int mOutOffset;
+	SP_ArrayList * mOutList;
+
+	char mStatus;
+	char mRunning;
+	char mWriting;
+	char mReading;
+
+	unsigned int mTotalRead, mTotalWrite;
+
+	SP_IOChannel * mIOChannel;
+};
+
+typedef struct tagSP_SessionEntry SP_SessionEntry_t;
+
+class SP_SessionManager {
+public:
+	SP_SessionManager();
+	~SP_SessionManager();
+
+	int getCount();
+	void put( uint16_t key, uint16_t seq, SP_Session * session );
+	SP_Session * get( uint16_t key, uint16_t * seq );
+	SP_Session * remove( uint16_t key, uint16_t seq );
+
+	int getFreeCount();
+	// > 0 : OK, 0 : out of memory
+	uint16_t allocKey( uint16_t * seq );
+
+private:
+	enum { eColPerRow = 1024 };
+
+	int mCount;
+	SP_SessionEntry_t * mArray[ 64 ];
+
+	int mFreeCount;
+	uint16_t mFreeList;
+};
+
+#endif
+