void
connManager() {
time_t curTime;
iFuseConn_t *tmpIFuseConn;
ListNode *node;
List *TimeOutList = newListNoRegion();
while ( 1 ) {
curTime = time( NULL );
/* exceed high water mark for number of connection ? */
if ( listSize( ConnectedConn ) > HIGH_NUM_CONN ) {
LOCK_STRUCT( *ConnectedConn );
int disconnTarget = _listSize( ConnectedConn ) - HIGH_NUM_CONN;
node = ConnectedConn->list->head;
while ( node != NULL ) {
tmpIFuseConn = ( iFuseConn_t * ) node->value;
if ( tmpIFuseConn->inuseCnt == 0 && tmpIFuseConn->pendingCnt == 0 && curTime - tmpIFuseConn->actTime > IFUSE_CONN_TIMEOUT ) {
listAppendNoRegion( TimeOutList, tmpIFuseConn );
}
node = node->next;
}
UNLOCK_STRUCT( *ConnectedConn );
node = TimeOutList->head;
int disconned = 0;
while ( node != NULL && disconned < disconnTarget ) {
tmpIFuseConn = ( iFuseConn_t * ) node->value;
LOCK_STRUCT( *tmpIFuseConn );
if ( tmpIFuseConn->inuseCnt == 0 && tmpIFuseConn->pendingCnt == 0 && curTime - tmpIFuseConn->actTime > IFUSE_CONN_TIMEOUT ) {
removeFromConcurrentList2( FreeConn, tmpIFuseConn );
removeFromConcurrentList2( ConnectedConn, tmpIFuseConn );
if ( tmpIFuseConn->status == 0 ) { /* no struct is referring to it, we can unlock it and free it */
UNLOCK_STRUCT( *tmpIFuseConn );
/* rodsLog(LOG_ERROR, "[FREE IFUSE CONN] %s:%d %p", __FILE__, __LINE__, tmpIFuseConn); */
_freeIFuseConn( tmpIFuseConn );
}
else { /* set to timed out */
_ifuseDisconnect( tmpIFuseConn );
UNLOCK_STRUCT( *tmpIFuseConn );
}
disconned ++;
}
else {
UNLOCK_STRUCT( *tmpIFuseConn );
}
node = node->next;
}
clearListNoRegion( TimeOutList );
}
notifyWait( &connReqWait.mutex, &connReqWait.cond );
timeoutWait( &ConnManagerLock, &ConnManagerCond, CONN_MANAGER_SLEEP_TIME );
}
deleteListNoRegion( TimeOutList );
}
int _freeIFuseConn(iFuseConn_t *tmpIFuseConn) {
_ifuseDisconnect(tmpIFuseConn);
FREE_STRUCT_LOCK(*tmpIFuseConn);
FREE_LOCK(tmpIFuseConn->inuseLock);
free (tmpIFuseConn);
return 0;
}
void
connManager() {
time_t curTime;
iFuseConn_t *tmpIFuseConn;
ListNode *node;
List *TimeOutList = newListNoRegion();
while ( 1 ) {
curTime = time( NULL );
/* exceed high water mark for number of connection ? */
if ( listSize( ConnectedConn ) > HIGH_NUM_CONN ) {
LOCK_STRUCT( *ConnectedConn );
int disconnTarget = _listSize( ConnectedConn ) - HIGH_NUM_CONN;
node = ConnectedConn->list->head;
while ( node != NULL ) {
tmpIFuseConn = ( iFuseConn_t * ) node->value;
if ( tmpIFuseConn->inuseCnt == 0 && tmpIFuseConn->pendingCnt == 0 && curTime - tmpIFuseConn->actTime > IFUSE_CONN_TIMEOUT ) {
listAppendNoRegion( TimeOutList, tmpIFuseConn );
}
node = node->next;
}
UNLOCK_STRUCT( *ConnectedConn );
node = TimeOutList->head;
int disconned = 0;
while ( node != NULL && disconned < disconnTarget ) {
tmpIFuseConn = ( iFuseConn_t * ) node->value;
LOCK_STRUCT( *tmpIFuseConn );
if ( tmpIFuseConn->inuseCnt == 0 && tmpIFuseConn->pendingCnt == 0 && curTime - tmpIFuseConn->actTime > IFUSE_CONN_TIMEOUT ) {
removeFromConcurrentList2( FreeConn, tmpIFuseConn );
removeFromConcurrentList2( ConnectedConn, tmpIFuseConn );
if ( tmpIFuseConn->status == 0 ) { /* no struct is referring to it, we can unlock it and free it */
UNLOCK_STRUCT( *tmpIFuseConn );
/* rodsLog(LOG_ERROR, "[FREE IFUSE CONN] %s:%d %p", __FILE__, __LINE__, tmpIFuseConn); */
_freeIFuseConn( tmpIFuseConn );
}
else { /* set to timed out */
_ifuseDisconnect( tmpIFuseConn );
UNLOCK_STRUCT( *tmpIFuseConn );
}
disconned ++;
}
else {
UNLOCK_STRUCT( *tmpIFuseConn );
}
node = node->next;
}
clearListNoRegion( TimeOutList );
}
while ( listSize( ConnectedConn ) <= MAX_NUM_CONN || listSize( FreeConn ) != 0 ) {
/* signal one in the wait queue */
connReqWait_t *myConnReqWait = ( connReqWait_t * ) removeFirstElementOfConcurrentList( ConnReqWaitQue );
/* if there is no conn req left, exit loop */
if ( myConnReqWait == NULL ) {
break;
}
myConnReqWait->state = 1;
notifyTimeoutWait( &myConnReqWait->mutex, &myConnReqWait->cond );
}
#if 0
rodsSleep( CONN_MANAGER_SLEEP_TIME, 0 );
#else
timeoutWait( &ConnManagerLock, &ConnManagerCond, CONN_MANAGER_SLEEP_TIME );
#endif
}
deleteListNoRegion( TimeOutList );
}
void ifuseDisconnect( iFuseConn_t *tmpIFuseConn ) {
LOCK_STRUCT( *tmpIFuseConn );
_ifuseDisconnect( tmpIFuseConn );
UNLOCK_STRUCT( *tmpIFuseConn );
}
