Added service-listener-hook example

examples/CMakeLists.txt

@@ -30,5 +30,6 @@ if (EXAMPLES)
     endif()
     add_subdirectory(whiteboard)
     add_subdirectory(embedding)
+    add_subdirectory(service_hook_example)
 
 endif(EXAMPLES)

examples/service_hook_example/CMakeLists.txt

@@ -0,0 +1,37 @@
+# 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.
+
+if(NOT APPLE)
+#Importing and exporting libraries not (yet) work under OSX.
+
+include_directories("${PROJECT_SOURCE_DIR}/utils/public/include")
+include_directories("public/include")
+
+add_bundle(hook_example
+           BUNDLE_SYMBOLICNAME "Hook_Example"
+           VERSION "1.0.0"
+           SOURCES
+                private/src/activator
+)
+
+add_deploy("hook_service_example"
+            BUNDLES
+                shell
+                shell_tui
+                hook_example
+)
+endif()

examples/service_hook_example/private/src/activator.c

@@ -0,0 +1,116 @@
+/**
+ *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
+ *
+ *  \date       Aug 20, 2010
+ *  \author    	<a href="mailto:dev@celix.apache.org">Apache Celix Project Team</a>
+ *  \copyright	Apache License, Version 2.0
+ */
+#include <stdlib.h>
+#include <stdio.h>
+
+#include "bundle_activator.h"
+#include "service_tracker_customizer.h"
+#include "service_tracker.h"
+#include "bundle_context.h"
+#include "listener_hook_service.h"
+#include "service_registry.h"
+
+struct userData {
+    service_registration_pt hookReg;
+    service_tracker_pt trackerBefore;
+    service_tracker_pt trackerAfter;
+    listener_hook_service_pt hookService; 
+};
+
+
+celix_status_t tracker_added(void*hook, array_list_pt listeners) {
+    for(unsigned int i = 0; i < arrayList_size(listeners); i++) {
+        listener_hook_info_pt info = arrayList_get(listeners, i);
+        printf("Added tracker for service %s\n", info->filter);
+    }
+
+    return CELIX_SUCCESS;
+}
+
+celix_status_t tracker_removed(void*hook, array_list_pt listeners) {
+    for(unsigned int i = 0; i < arrayList_size(listeners); i++) {
+        listener_hook_info_pt info = arrayList_get(listeners, i);
+        printf("Removed tracker for service %s\n", info->filter);
+    }
+
+    return CELIX_SUCCESS;
+}
+
+celix_status_t bundleActivator_create(bundle_context_pt context, void **userData) {
+	celix_status_t status = CELIX_SUCCESS;
+    *userData = malloc(sizeof(struct userData));
+    if (*userData != NULL) {
+
+	} else {
+		status = CELIX_START_ERROR;
+	}
+	return status;
+}
+
+celix_status_t bundleActivator_start(void * handle, bundle_context_pt context) {
+	printf("Starting hook example bundle\n");
+    struct userData *userData = (struct userData*)handle;   
+
+    userData->trackerBefore = 0;
+    serviceTracker_create(context, "MY_SERVICE_BEFORE_REGISTERING_HOOK", NULL, &userData->trackerBefore);
+    serviceTracker_open(userData->trackerBefore);
+
+    listener_hook_service_pt hookService = calloc(1, sizeof(*hookService));
+    hookService->handle = userData;
+    hookService->added = tracker_added;
+    hookService->removed = tracker_removed;
+
+    userData->hookService = hookService;
+    userData->hookReg = NULL;
+
+    bundleContext_registerService(context, OSGI_FRAMEWORK_LISTENER_HOOK_SERVICE_NAME, hookService, NULL, &userData->hookReg);
+
+    userData->trackerAfter = 0;
+    serviceTracker_create(context, "MY_SERVICE_AFTER_REGISTERING_HOOK", NULL, &userData->trackerAfter);
+    serviceTracker_open(userData->trackerAfter);
+
+	return CELIX_SUCCESS;
+}
+
+celix_status_t bundleActivator_stop(void * handle, bundle_context_pt context) {
+	printf("Stopping hook example bundle\n");
+    struct userData *userData = (struct userData*)handle;   
+
+    serviceTracker_close(userData->trackerAfter);
+    serviceTracker_close(userData->trackerBefore);
+    serviceTracker_destroy(userData->trackerAfter);
+    serviceTracker_destroy(userData->trackerBefore);
+
+    serviceRegistration_unregister(userData->hookReg);
+    free(userData->hookService);
+
+	return CELIX_SUCCESS;
+}
+
+celix_status_t bundleActivator_destroy(void * handle, bundle_context_pt context) {
+    free(handle);
+	return CELIX_SUCCESS;
+}