mamaQueueLockHandle
mamaQueue_incrementObjectCount(mamaQueue queue,
void *owner)
{
/* Returns. */
mamaQueueLockHandle ret = NULL;
/* Cast the queue to an impl. */
mamaQueueImpl *impl = (mamaQueueImpl *)queue;
/* Increment the count. */
int newCount = wInterlocked_increment(&impl->mNumberOpenObjects);
/* Check if lock tracking is turned on. */
if(1 == impl->mTrackObjectLocks)
{
/* Allocate a lock structure, this means that if the lock count isn't decremented there will
* be a memory leak the stack for which will be picked up by any leak diagnostic tool.
*/
pMamaQueueLock lockStruct = (pMamaQueueLock)calloc(1, sizeof(mamaQueueLock));
if(NULL != lockStruct)
{
/* Write a log message at normal level. */
mama_log(MAMA_LOG_LEVEL_NORMAL, "mamaQueue_incrementObjectCount(): queue 0x%p, owner 0x%p, new count %d.", queue, owner, newCount);
/* Save the owner pointer. */
lockStruct->m_owner = owner;
/* This will be the return handle. */
ret = (mamaQueueLockHandle)lockStruct;
}
}
return ret;
}
mama_status
mamaQueue_create_usingNative (mamaQueue* queue,
mamaBridge bridgeImpl,
void* nativeQueue)
{
mama_status status = MAMA_STATUS_OK;
mamaBridgeImpl* bImpl = (mamaBridgeImpl*)bridgeImpl;
mamaQueueImpl* impl = NULL;
char queueName[32];
if (!bridgeImpl)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "mamaQueue_create(): NULL bridge.");
return MAMA_STATUS_NO_BRIDGE_IMPL;
}
if (!queue)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "mamaQueue_create(): NULL queue"
" address.");
return MAMA_STATUS_NULL_ARG;
}
/* Generate a unique queue name */
snprintf (queueName, sizeof(queueName),
"NO_NAME_%d", wInterlocked_increment(&gQueueNumber));
/*Create the queue structure*/
impl = (mamaQueueImpl*)calloc (1, sizeof (mamaQueueImpl));
if (!impl)
return MAMA_STATUS_NOMEM;
impl->mBridgeImpl = bImpl;
impl->mMamaQueueBridgeImpl = NULL;
impl->mDispatcher = NULL;
impl->mQueueName = strdup (queueName);
impl->mHighWatermark = 0;
impl->mLowWatermark = 1;
impl->mQueueMonitorCallbacks.onQueueHighWatermarkExceeded = NULL;
impl->mQueueMonitorCallbacks.onQueueLowWatermark = NULL;
impl->mQueueMonitorClosure = NULL;
/* Create the counter lock. */
wInterlocked_set(0, &impl->mNumberOpenObjects);
mamaQueue_createReuseableMsg(impl);
/* Call the bridge impl specific queue create function*/
if (MAMA_STATUS_OK!=(status=impl->mBridgeImpl->bridgeMamaQueueCreateUsingNative
(&(impl->mMamaQueueBridgeImpl),
impl,
nativeQueue)))
{
mama_log (MAMA_LOG_LEVEL_ERROR, "Could not create queue bridge.");
mamaQueue_destroy ((mamaQueue)impl);
return status;
}
*queue = (mamaQueue)impl;
return MAMA_STATUS_OK;
}
mama_status
mamaQueue_create (mamaQueue* queue,
mamaBridge bridgeImpl)
{
mama_status status = MAMA_STATUS_OK;
mamaBridgeImpl* bImpl = (mamaBridgeImpl*)bridgeImpl;
mamaQueueImpl* impl = NULL;
char queueName[32];
if (!bridgeImpl)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "mamaQueue_create(): NULL bridge.");
return MAMA_STATUS_NO_BRIDGE_IMPL;
}
if (!queue)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "mamaQueue_create(): NULL queue"
" address.");
return MAMA_STATUS_NULL_ARG;
}
/* Generate a unique queue name */
snprintf (queueName, sizeof(queueName),
"NO_NAME_%d", wInterlocked_increment(&gQueueNumber));
/*Create the queue structure*/
impl = (mamaQueueImpl*)calloc (1, sizeof (mamaQueueImpl));
if (!impl)
return MAMA_STATUS_NOMEM;
impl->mBridgeImpl = bImpl;
impl->mMamaQueueBridgeImpl = NULL;
impl->mDispatcher = NULL;
impl->mQueueName = strdup (queueName);
impl->mHighWatermark = 0;
impl->mLowWatermark = 1;
impl->mQueueMonitorCallbacks.onQueueHighWatermarkExceeded = NULL;
impl->mQueueMonitorCallbacks.onQueueLowWatermark = NULL;
impl->mQueueMonitorClosure = NULL;
/* Create the counter lock. */
wInterlocked_initialize(&impl->mNumberOpenObjects);
wInterlocked_set(0, &impl->mNumberOpenObjects);
wInterlocked_initialize(&impl->mIsDispatching);
wInterlocked_set(0, &impl->mIsDispatching);
/* Call the bridge impl specific queue create function*/
if (MAMA_STATUS_OK!=(status=impl->mBridgeImpl->bridgeMamaQueueCreate
(&(impl->mMamaQueueBridgeImpl),
impl)))
{
mama_log (MAMA_LOG_LEVEL_ERROR, "Could not create queue bridge.");
mamaQueue_destroy ((mamaQueue)impl);
return status;
}
/* Determine if object lock tracking is enabled. */
{
const char *propValue = mama_getProperty(MAMAQUEUE_PROPERTY_OBJECT_LOCK_TRACKING);
/* Only do this if it's set. */
if(NULL != propValue)
{
impl->mTrackObjectLocks = strtobool(propValue);
}
}
*queue = (mamaQueue)impl;
mamaQueue_enableStats((mamaQueue)impl);
return MAMA_STATUS_OK;
}
