event_admin/event_publisher/private/src/event_publisher_activator.c

/**
 *Licensed to the Apache Software Foundation (ASF) under one
 *or more contributor license agreements.  See the NOTICE file
 *distributed with this work for additional information
 *regarding copyright ownership.  The ASF licenses this file
 *to you under the Apache License, Version 2.0 (the
 *"License"); you may not use this file except in compliance
 *with the License.  You may obtain a copy of the License at
 *
 *  http://www.apache.org/licenses/LICENSE-2.0
 *
 *Unless required by applicable law or agreed to in writing,
 *software distributed under the License is distributed on an
 *"AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
 * KIND, either express or implied.  See the License for the
 *specific language governing permissions and limitations
 *under the License.
 */
/*
 * activator.c
 *
 *  Created on: Jul 9, 2013
 *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
 *  \copyright	Apache License, Version 2.0
 */
#include <stdlib.h>
#include <apr_thread_proc.h>


#include "event_publisher_impl.h"

struct activator {
	apr_pool_t *pool;
	bundle_context_pt context;
	event_publisher_pt event_publisher;
	service_tracker_pt tracker;
};

celix_status_t bundleActivator_create(bundle_context_pt context, void **userData) {
	celix_status_t status = CELIX_SUCCESS;
	apr_pool_t *pool = NULL;
	apr_pool_t *parentPool;
	struct activator *activator = NULL;
	status = bundleContext_getMemoryPool(context, &parentPool);
	if(status == CELIX_SUCCESS) {
		if(apr_pool_create(&pool,parentPool) != APR_SUCCESS) {
			status = CELIX_BUNDLE_EXCEPTION;
		}else {
			activator = apr_palloc(pool,sizeof(*activator));
			activator->pool = pool;
			activator->context = context;
			*userData = activator;
		}
		event_publisher_pt eventpublisher;
        status = eventPublisherCreate(activator->pool,context,&eventpublisher);
        if(status == CELIX_SUCCESS) {
            activator->event_publisher = eventpublisher;
        }
	}

	return status;
}

celix_status_t bundleActivator_start(void * userData, bundle_context_pt context) {
	celix_status_t status = CELIX_SUCCESS;
	struct activator * data = (struct activator *) userData;
	apr_pool_t *pool;
	status = bundleContext_getMemoryPool(context, &pool);
	if(status == CELIX_SUCCESS){
		service_tracker_customizer_pt cust = NULL;
		service_tracker_pt tracker = NULL;
		data->context = context;
		serviceTrackerCustomizer_create(data->event_publisher, eventPublisherAddingService, eventPublisherAddedService, eventPublisherModifiedService, eventPublisherRemovedService, &cust);
		serviceTracker_create(context, (char *) EVENT_ADMIN_NAME, cust, &tracker);
		data->tracker = tracker;

		serviceTracker_open(tracker);
	}
	eventPublisherStart(&data->event_publisher);
	return status;
}

celix_status_t bundleActivator_stop(void * userData, bundle_context_pt context) {
	celix_status_t status = CELIX_SUCCESS;
	struct activator * data = (struct activator *) userData;
	eventPublisherStop(&data->event_publisher);
	serviceTracker_close(data->tracker);
	return status;
}

celix_status_t bundleActivator_destroy(void * userData, bundle_context_pt context) {
	celix_status_t status = CELIX_SUCCESS;

	return status;
}