spsession.cpp
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/*
* Copyright 2007-2008 Stephen Liu
* For license terms, see the file COPYING along with this library.
*/
#include <sys/types.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <assert.h>
#include "spporting.hpp"
#include "spsession.hpp"
#include "sphandler.hpp"
#include "spbuffer.hpp"
#include "sputils.hpp"
#include "sprequest.hpp"
#include "spiochannel.hpp"
#ifndef WIN32
#include "event.h"
#endif
//-------------------------------------------------------------------
typedef struct tagSP_SessionEntry {
uint16_t mSeq;
uint16_t mNext;
SP_Session * mSession;
} SP_SessionEntry;
SP_SessionManager :: SP_SessionManager()
{
mFreeCount = 0;
mFreeList = 0;
mCount = 0;
memset( mArray, 0, sizeof( mArray ) );
}
SP_SessionManager :: ~SP_SessionManager()
{
for( int i = 0; i < (int)( sizeof( mArray ) / sizeof( mArray[0] ) ); i++ ) {
SP_SessionEntry_t * list = mArray[ i ];
if( NULL != list ) {
SP_SessionEntry_t * iter = list;
for( int i = 0; i < eColPerRow; i++, iter++ ) {
if( NULL != iter->mSession ) {
delete iter->mSession;
iter->mSession = NULL;
}
}
free( list );
}
}
memset( mArray, 0, sizeof( mArray ) );
}
uint16_t SP_SessionManager :: allocKey( uint16_t * seq )
{
uint16_t key = 0;
if( mFreeList <= 0 ) {
int avail = -1;
for( int i = 1; i < (int)( sizeof( mArray ) / sizeof( mArray[0] ) ); i++ ) {
if( NULL == mArray[i] ) {
avail = i;
break;
}
}
if( avail > 0 ) {
mFreeCount += eColPerRow;
mArray[ avail ] = ( SP_SessionEntry_t * )calloc(
eColPerRow, sizeof( SP_SessionEntry_t ) );
for( int i = eColPerRow - 1; i >= 0; i-- ) {
mArray[ avail ] [ i ].mNext = mFreeList;
mFreeList = eColPerRow * avail + i;
}
}
}
if( mFreeList > 0 ) {
key = mFreeList;
--mFreeCount;
int row = mFreeList / eColPerRow, col = mFreeList % eColPerRow;
*seq = mArray[ row ] [ col ].mSeq;
mFreeList = mArray[ row ] [ col ].mNext;
}
return key;
}
int SP_SessionManager :: getCount()
{
return mCount;
}
int SP_SessionManager :: getFreeCount()
{
return mFreeCount;
}
void SP_SessionManager :: put( uint16_t key, uint16_t seq, SP_Session * session )
{
int row = key / eColPerRow, col = key % eColPerRow;
assert( NULL != mArray[ row ] );
SP_SessionEntry_t * list = mArray[ row ];
assert( NULL == list[ col ].mSession );
assert( seq == list[ col ].mSeq );
list[ col ].mSession = session;
mCount++;
}
SP_Session * SP_SessionManager :: get( uint16_t key, uint16_t * seq )
{
int row = key / eColPerRow, col = key % eColPerRow;
SP_Session * ret = NULL;
SP_SessionEntry_t * list = mArray[ row ];
if( NULL != list ) {
ret = list[ col ].mSession;
* seq = list[ col ].mSeq;
} else {
* seq = 0;
}
return ret;
}
SP_Session * SP_SessionManager :: remove( uint16_t key, uint16_t seq )
{
int row = key / eColPerRow, col = key % eColPerRow;
SP_Session * ret = NULL;
SP_SessionEntry_t * list = mArray[ row ];
if( NULL != list ) {
assert( seq == list[ col ].mSeq );
ret = list[ col ].mSession;
list[ col ].mSession = NULL;
list[ col ].mSeq++;
list[ col ].mNext = mFreeList;
mFreeList = key;
++mFreeCount;
mCount--;
}
return ret;
}
//-------------------------------------------------------------------
SP_Session :: SP_Session( SP_Sid_t sid )
{
mSid = sid;
mReadEvent = NULL;
mWriteEvent = NULL;
#ifndef WIN32
mReadEvent = (struct event*)malloc( sizeof( struct event ) );
mWriteEvent = (struct event*)malloc( sizeof( struct event ) );
#endif
mHandler = NULL;
mArg = NULL;
mInBuffer = new SP_Buffer();
mRequest = new SP_Request();
mOutOffset = 0;
mOutList = new SP_ArrayList();
mStatus = eNormal;
mRunning = 0;
mWriting = 0;
mReading = 0;
mTotalRead = mTotalWrite = 0;
mIOChannel = NULL;
}
SP_Session :: ~SP_Session()
{
if( NULL != mReadEvent ) free( mReadEvent );
mReadEvent = NULL;
if( NULL != mWriteEvent ) free( mWriteEvent );
mWriteEvent = NULL;
if( NULL != mHandler ) {
delete mHandler;
mHandler = NULL;
}
delete mRequest;
mRequest = NULL;
delete mInBuffer;
mInBuffer = NULL;
delete mOutList;
mOutList = NULL;
if( NULL != mIOChannel ) {
delete mIOChannel;
mIOChannel = NULL;
}
}
struct event * SP_Session :: getReadEvent()
{
return mReadEvent;
}
struct event * SP_Session :: getWriteEvent()
{
return mWriteEvent;
}
void SP_Session :: setHandler( SP_Handler * handler )
{
mHandler = handler;
}
SP_Handler * SP_Session :: getHandler()
{
return mHandler;
}
void SP_Session :: setArg( void * arg )
{
mArg = arg;
}
void * SP_Session :: getArg()
{
return mArg;
}
SP_Sid_t SP_Session :: getSid()
{
return mSid;
}
SP_Buffer * SP_Session :: getInBuffer()
{
return mInBuffer;
}
SP_Request * SP_Session :: getRequest()
{
return mRequest;
}
void SP_Session :: setOutOffset( int offset )
{
mOutOffset = offset;
}
int SP_Session :: getOutOffset()
{
return mOutOffset;
}
SP_ArrayList * SP_Session :: getOutList()
{
return mOutList;
}
void SP_Session :: setStatus( int status )
{
mStatus = status;
}
int SP_Session :: getStatus()
{
return mStatus;
}
int SP_Session :: getRunning()
{
return mRunning;
}
void SP_Session :: setRunning( int running )
{
mRunning = running;
}
int SP_Session :: getWriting()
{
return mWriting;
}
void SP_Session :: setWriting( int writing )
{
mWriting = writing;
}
int SP_Session :: getReading()
{
return mReading;
}
void SP_Session :: setReading( int reading )
{
mReading = reading;
}
SP_IOChannel * SP_Session :: getIOChannel()
{
return mIOChannel;
}
void SP_Session :: setIOChannel( SP_IOChannel * ioChannel )
{
mIOChannel = ioChannel;
}
unsigned int SP_Session :: getTotalRead()
{
return mTotalRead;
}
void SP_Session :: addRead( int len )
{
mTotalRead += len;
}
unsigned int SP_Session :: getTotalWrite()
{
return mTotalWrite;
}
void SP_Session :: addWrite( int len )
{
mTotalWrite += len;
}