homework-jianmu/source/libs/stream/src/streamQueue.c

44 lines
1.3 KiB
C

/*
* Copyright (c) 2019 TAOS Data, Inc. <jhtao@taosdata.com>
*
* This program is free software: you can use, redistribute, and/or modify
* it under the terms of the GNU Affero General Public License, version 3
* or later ("AGPL"), as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "tstream.h"
SStreamQueue* streamQueueOpen() {
SStreamQueue* pQueue = taosMemoryCalloc(1, sizeof(SStreamQueue));
if (pQueue == NULL) return NULL;
pQueue->queue = taosOpenQueue();
pQueue->qall = taosAllocateQall();
if (pQueue->queue == NULL || pQueue->qall == NULL) {
goto FAIL;
}
pQueue->status = STREAM_QUEUE__SUCESS;
return pQueue;
FAIL:
if (pQueue->queue) taosCloseQueue(pQueue->queue);
if (pQueue->qall) taosFreeQall(pQueue->qall);
taosMemoryFree(pQueue);
return NULL;
}
void streamQueueClose(SStreamQueue* queue) {
while (1) {
void* qItem = streamQueueNextItem(queue);
if (qItem)
taosFreeQitem(qItem);
else
return;
}
}