mama_status
avisBridgeMamaSubscription_destroy (subscriptionBridge subscriber)
{
mama_status status = MAMA_STATUS_OK;
wombatQueue queue = NULL;
CHECK_SUBSCRIBER(subscriber);
elvin_subscription_remove_listener(avisSub(subscriber)->mAvisSubscription, avis_callback);
if (!elvin_unsubscribe(avisSub(subscriber)->mAvis, avisSub(subscriber)->mAvisSubscription)) {
// NOTE: elvin_unsubscribe sometimes returns failure for no apparent reason, so dont log errors here:
// 2011-09-02 11:59:10: avis error code=2, error msg=Illegal frame size: 61
//log_avis_error(MAMA_LOG_LEVEL_ERROR, avisSub(subscriber)->mAvis);
//status = MAMA_STATUS_PLATFORM;
}
free(avisSub(subscriber)->mAvisSubscription);
mamaQueue_getNativeHandle(avisSub(subscriber)->mQueue, &queue);
if (!queue)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): "
"Could not get event queue.");
return MAMA_STATUS_PLATFORM;
}
wombatQueue_enqueue (queue, destroy_callback,
(void*)subscriber, NULL);
return status;
}
static void
avis_callback(
Subscription* subcription,
Attributes* attributes,
bool secure,
void* subscriber)
{
wombatQueue queue = NULL;
/* cant do anything without a subscriber */
if (!avisSub(subscriber)) {
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): called with NULL subscriber!");
return;
}
/*Make sure that the subscription is processing messages*/
if ((!avisSub(subscriber)->mIsNotMuted) || (!avisSub(subscriber)->mIsValid)) return;
mamaQueue_getNativeHandle(avisSub(subscriber)->mQueue, &queue);
if (!queue)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): "
"Could not get event queue.");
return;
}
wombatQueue_enqueue (queue, avis_queue_callback,
attributes_clone(attributes), subscriber);
return;
}
static void MAMACALLTYPE
destroy_callback(void* subscriber, void* closure)
{
// cant do anything without a subscriber
if (!avisSub(subscriber)) {
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): called with NULL subscriber!");
return;
}
(*avisSub(subscriber)->mMamaCallback.onDestroy)(avisSub(subscriber)->mMamaSubscription, avisSub(subscriber)->mClosure);
free(avisSub(subscriber));
}
mama_status
avisBridgeMamaSubscription_mute (subscriptionBridge subscriber)
{
CHECK_SUBSCRIBER(subscriber);
avisSub(subscriber)->mIsNotMuted = 0;
return MAMA_STATUS_OK;
}
mama_status
avisBridgeMamaSubscription_getPlatformError (subscriptionBridge subscriber,
void** error)
{
CHECK_SUBSCRIBER(subscriber);
*error = &(avisSub(subscriber)->mAvis->error);
return MAMA_STATUS_OK;
}
static void
avis_callback(
Subscription* subcription,
Attributes* attributes,
bool secure,
void* subscriber)
{
/* cant do anything without a subscriber */
if (!avisSub(subscriber)) {
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): called with NULL subscriber!");
return;
}
/*Make sure that the subscription is processing messages*/
if ((!avisSub(subscriber)->mIsNotMuted) || (!avisSub(subscriber)->mIsValid)) return;
avisCallbackContext* ctx = (avisCallbackContext*) malloc (sizeof (avisCallbackContext));
ctx->attributes = attributes_clone (attributes);
ctx->subscriber = subscriber;
mamaQueue_enqueueEvent (avisSub (subscriber)->mQueue,
avis_queue_callback, ctx);
}
/**
* Called when message removed from queue by dispatch thread
*
* @param data The Avis Attributes* clone (must be freed)
* @param closure The subscriber
*/
static void MAMACALLTYPE
avis_queue_callback (void* data, void* closure)
{
mama_status status;
mamaMsg tmpMsg;
msgBridge bridgeMsg;
/* cant do anything without a subscriber */
if (!avisSub(closure)) {
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): called with NULL subscriber!");
return;
}
/*Make sure that the subscription is processing messages*/
if ((!avisSub(closure)->mIsNotMuted) || (!avisSub(closure)->mIsValid)) return;
/*This is the reuseable message stored on the associated MamaQueue*/
tmpMsg = mamaQueueImpl_getMsg(avisSub(closure)->mQueue);
if (!tmpMsg)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): "
"Could not get cached mamaMsg from event queue.");
return;
}
/*Get the bridge message from the mamaMsg*/
if (MAMA_STATUS_OK!=(status=mamaMsgImpl_getBridgeMsg (tmpMsg,
&bridgeMsg)))
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): "
"Could not get bridge message from cached"
" queue mamaMsg [%d]", status);
return;
}
/*Set the buffer and the reply handle on the bridge message structure*/
avisBridgeMamaMsgImpl_setAttributesAndSecure (bridgeMsg, data, 0);
if (MAMA_STATUS_OK!=(status=mamaMsgImpl_setMsgBuffer (tmpMsg,
data,
0, MAMA_PAYLOAD_AVIS)))
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): mamaMsgImpl_setMsgBuffer() failed. [%d]",
status);
return;
}
/*Process the message as normal*/
if (MAMA_STATUS_OK != (status=mamaSubscription_processMsg
(avisSub(closure)->mMamaSubscription, tmpMsg)))
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): "
"mamaSubscription_processMsg() failed. [%d]",
status);
}
attributes_free ((Attributes*)data);
free ((Attributes*)data);
}
int
avisBridgeMamaSubscription_isTportDisconnected (subscriptionBridge subscriber)
{
CHECK_SUBSCRIBER(subscriber);
return elvin_is_open(avisSub(subscriber)->mAvis) ? 0 : 1;
}
int
avisBridgeMamaSubscription_isValid (subscriptionBridge subscriber)
{
if (!subscriber) return 0;
return avisSub(subscriber)->mIsValid;
}
mama_status
avisBridgeMamaSubscription_destroy (subscriptionBridge subscriber)
{
mama_status status = MAMA_STATUS_OK;
wombatQueue queue = NULL;
avisTransportBridge* avisTransport = NULL;
CHECK_SUBSCRIBER(subscriber);
mamaTransport_getBridgeTransport (
avisSub(subscriber)->mTransport, (void*) &avisTransport);
if (!avisTransport)
return MAMA_STATUS_INVALID_ARG;
if (avisTransportBridge_isDispatching (avisTransport))
{
elvin_invoke (avisSub(subscriber)->mAvis, &unsubscribeAvis,
avisSub(subscriber)->mAvisSubscription);
}
else
{
unsubscribeAvis (avisSub(subscriber)->mAvis,
avisSub(subscriber)->mAvisSubscription);
}
avisSub(subscriber)->mAvisSubscription = NULL;
mamaQueue_getNativeHandle(avisSub(subscriber)->mQueue, &queue);
if (!queue)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avisBridgeMamaSubscription_destroy(): "
"Could not get event queue.");
return MAMA_STATUS_PLATFORM;
}
avisSub(subscriber)->mMamaCallback.onDestroy (
avisSub(subscriber)->mMamaSubscription,
avisSub(subscriber)->mClosure);
wsem_destroy(&avisSub(subscriber)->mCreateDestroySem);
free(avisSub(subscriber)->mSubject);
free(avisSub(subscriber));
return status;
}
/**
* Called when message removed from queue by dispatch thread
*
* @param data The Avis Attributes* clone (must be freed)
* @param closure The subscriber
*/
static void MAMACALLTYPE
avis_queue_callback (mamaQueue queue,
void* closure)
{
mama_status status = MAMA_STATUS_OK;
mamaMsg tmpMsg = NULL;
msgBridge bridgeMsg = NULL;
const void* buf = NULL;
mama_size_t bufSize = 0;
avisCallbackContext* ctx = (avisCallbackContext*) closure;
void* data = ctx->attributes;
void* subscriber = ctx->subscriber;
/* cant do anything without a subscriber */
if (!subscriber)
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): called with NULL subscriber!");
attributes_destroy (data);
free (ctx);
return;
}
/*Make sure that the subscription is processing messages*/
if ((!avisSub(subscriber)->mIsNotMuted) ||
(!avisSub(subscriber)->mIsValid))
{
attributes_destroy (data);
free (ctx);
return;
}
/*This is the reuseable message stored on the associated MamaQueue*/
tmpMsg = mamaQueueImpl_getMsg(avisSub(subscriber)->mQueue);
if (!tmpMsg)
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): "
"Could not get cached mamaMsg from event queue.");
attributes_destroy (data);
free (ctx);
return;
}
/*Get the bridge message from the mamaMsg*/
if (MAMA_STATUS_OK!=(status=mamaMsgImpl_getBridgeMsg (tmpMsg,
&bridgeMsg)))
{
mama_log (MAMA_LOG_LEVEL_ERROR, "avis_callback(): "
"Could not get bridge message from cached"
" queue mamaMsg [%d]", status);
attributes_destroy (data);
free (ctx);
return;
}
/*Set the buffer and the reply handle on the bridge message structure*/
if (MAMA_STATUS_OK!=(status=mamaMsgImpl_setMsgBuffer (tmpMsg,
data,
0, MAMA_PAYLOAD_AVIS)))
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): mamaMsgImpl_setMsgBuffer() failed. [%d]",
status);
attributes_destroy (data);
free (ctx);
return;
}
if (MAMA_STATUS_OK == mamaMsg_getOpaque (
tmpMsg, ENCLOSED_MSG_FIELD_NAME, 0, &buf, &bufSize) &&
bufSize > 0)
{
mamaMsg encMsg = NULL;
mamaBridgeImpl* bridge =
mamaSubscription_getBridgeImpl (avisSub(subscriber)->mMamaSubscription);
status = mamaMsg_createFromByteBuffer (&encMsg, buf, bufSize);
if (MAMA_STATUS_OK != status)
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): "
"Could not create message from enclosed byte buffer. [%d]",
status);
attributes_destroy (data);
free (ctx);
return;
}
mamaMsgImpl_useBridgePayload (encMsg, bridge);
mamaMsgImpl_getBridgeMsg (encMsg, &bridgeMsg);
/*Set the buffer and the reply handle on the bridge message structure*/
avisBridgeMamaMsgImpl_setAttributesAndSecure (bridgeMsg, data, 0);
if (gMamaLogLevel >= MAMA_LOG_LEVEL_FINEST)
{
mama_log (MAMA_LOG_LEVEL_FINEST, "avis_callback(): "
"Received enclosed message: %s", mamaMsg_toString (encMsg));
}
if (MAMA_STATUS_OK != (status=mamaSubscription_processMsg
(avisSub(subscriber)->mMamaSubscription, encMsg)))
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): "
"mamaSubscription_processMsg() failed. [%d]",
status);
}
mamaMsg_destroy (encMsg);
}
else
{
avisBridgeMamaMsgImpl_setAttributesAndSecure (bridgeMsg, data, 0);
if (gMamaLogLevel >= MAMA_LOG_LEVEL_FINEST)
{
mama_log (MAMA_LOG_LEVEL_FINEST, "avis_callback(): "
"Received message: %s", mamaMsg_toString (tmpMsg));
}
/*Process the message as normal*/
if (MAMA_STATUS_OK != (status=mamaSubscription_processMsg
(avisSub(subscriber)->mMamaSubscription, tmpMsg)))
{
mama_log (MAMA_LOG_LEVEL_ERROR,
"avis_callback(): "
"mamaSubscription_processMsg() failed. [%d]",
status);
}
}
free (ctx);
}