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refcount error for http

This commit is contained in:
Shengliang Guan 2020-07-30 09:33:56 +00:00
parent 61635dc038
commit 052a60452c
1 changed files with 6 additions and 12 deletions
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18
src/plugins/http/src/httpContext.c
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@ -46,6 +46,8 @@ static void httpDestroyContext(void *data) {
httpReleaseSession(pContext);
atomic_sub_fetch_32(&pThread->numOfContexts, 1);
httpDebug("context:%p, is destroyed, refCount:%d data:%p thread:%s numOfContexts:%d", pContext, pContext->refCount,
data, pContext->pThread->label, pContext->pThread->numOfContexts);
pContext->pThread = 0;
pContext->state = HTTP_CONTEXT_STATE_CLOSED;
@ -53,8 +55,6 @@ static void httpDestroyContext(void *data) {
httpFreeJsonBuf(pContext);
httpFreeMultiCmds(pContext);
httpDebug("context:%p, is destroyed, refCount:%d data:%p thread:%s numOfContexts:%d", pContext, pContext->refCount,
data, pContext->pThread->label, pContext->pThread->numOfContexts);
tfree(pContext);
}
@ -134,22 +134,16 @@ HttpContext *httpGetContext(void *ptr) {
}
void httpReleaseContext(HttpContext *pContext) {
// Ensure that the context is valid before release
HttpContext **ppContext = taosCacheAcquireByKey(tsHttpServer.contextCache, &pContext, sizeof(HttpContext *));
if (ppContext == NULL) {
httpError("context:%p, is already released", pContext);
int32_t refCount = atomic_sub_fetch_32(&pContext->refCount, 1);
if (refCount < 0) {
httpError("context:%p, is already released, refCount:%d", pContext, refCount);
return;
}
int32_t refCount = atomic_sub_fetch_32(&pContext->refCount, 1);
assert(refCount >= 0);
assert(ppContext == pContext->ppContext);
HttpContext **ppContext = pContext->ppContext;
httpDebug("context:%p, is released, data:%p refCount:%d", pContext, ppContext, refCount);
if (tsHttpServer.contextCache != NULL) {
// and release context twice
taosCacheRelease(tsHttpServer.contextCache, (void **)(&ppContext), false);
taosCacheRelease(tsHttpServer.contextCache, (void **)(&ppContext), false);
} else {
httpDebug("context:%p, won't be destroyed for cache is already released", pContext);