Import app manager, samples and test-tools

core/app-mgr/app-manager/module_utils.c

@@ -0,0 +1,226 @@
+/*
+ * Copyright (C) 2019 Intel Corporation.  All rights reserved.
+ *
+ * Licensed 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.
+ */
+
+#include "app_manager.h"
+#include "app_manager_host.h"
+#include "bh_queue.h"
+#include "bh_memory.h"
+#include "bh_thread.h"
+#include "attr_container.h"
+#include "event.h"
+#include "watchdog.h"
+#include "coap_ext.h"
+
+/* Lock of the module data list */
+korp_mutex module_data_list_lock;
+
+/* Module data list */
+module_data *module_data_list;
+
+bool module_data_list_init()
+{
+    module_data_list = NULL;
+    return !vm_mutex_init(&module_data_list_lock) ? true : false;
+}
+
+void module_data_list_destroy()
+{
+
+    vm_mutex_lock(&module_data_list_lock);
+    if (module_data_list) {
+        while (module_data_list) {
+            module_data *p = module_data_list->next;
+            bh_free(module_data_list);
+            module_data_list = p;
+        }
+    }
+    vm_mutex_unlock(&module_data_list_lock);
+    vm_mutex_destroy(&module_data_list_lock);
+}
+
+static void module_data_list_add(module_data *m_data)
+{
+    static uint32 module_id_max = 1;
+    vm_mutex_lock(&module_data_list_lock);
+    // reserve some special ID
+    // TODO: check the new id is not already occupied!
+    if (module_id_max == 0xFFFFFFF0)
+        module_id_max = 1;
+    m_data->id = module_id_max++;
+    if (!module_data_list) {
+        module_data_list = m_data;
+    } else {
+        /* Set as head */
+        m_data->next = module_data_list;
+        module_data_list = m_data;
+    }
+    vm_mutex_unlock(&module_data_list_lock);
+}
+
+void module_data_list_remove(module_data *m_data)
+{
+    vm_mutex_lock(&module_data_list_lock);
+    if (module_data_list) {
+        if (module_data_list == m_data)
+            module_data_list = module_data_list->next;
+        else {
+            /* Search and remove it */
+            module_data *p = module_data_list;
+
+            while (p && p->next != m_data)
+                p = p->next;
+            if (p && p->next == m_data)
+                p->next = p->next->next;
+        }
+    }
+    vm_mutex_unlock(&module_data_list_lock);
+}
+
+module_data*
+module_data_list_lookup(const char *module_name)
+{
+    vm_mutex_lock(&module_data_list_lock);
+    if (module_data_list) {
+        module_data *p = module_data_list;
+
+        while (p) {
+            /* Search by module name */
+            if (!strcmp(module_name, p->module_name)) {
+                vm_mutex_unlock(&module_data_list_lock);
+                return p;
+            }
+            p = p->next;
+        }
+    }
+    vm_mutex_unlock(&module_data_list_lock);
+    return NULL;
+}
+
+module_data*
+module_data_list_lookup_id(unsigned int module_id)
+{
+    vm_mutex_lock(&module_data_list_lock);
+    if (module_data_list) {
+        module_data *p = module_data_list;
+
+        while (p) {
+            /* Search by module name */
+            if (module_id == p->id) {
+                vm_mutex_unlock(&module_data_list_lock);
+                return p;
+            }
+            p = p->next;
+        }
+    }
+    vm_mutex_unlock(&module_data_list_lock);
+    return NULL;
+}
+
+module_data *
+app_manager_get_module_data(uint32 module_type)
+{
+    if (g_module_interfaces[module_type]
+            && g_module_interfaces[module_type]->module_get_module_data)
+        return g_module_interfaces[module_type]->module_get_module_data();
+    return NULL;
+}
+
+void*
+app_manager_get_module_queue(uint32 module_type)
+{
+    return app_manager_get_module_data(module_type)->queue;
+}
+
+const char*
+app_manager_get_module_name(uint32 module_type)
+{
+    return app_manager_get_module_data(module_type)->module_name;
+}
+
+unsigned int app_manager_get_module_id(uint32 module_type)
+{
+    return app_manager_get_module_data(module_type)->id;
+}
+
+void*
+app_manager_get_module_heap(uint32 module_type)
+{
+    return app_manager_get_module_data(module_type)->heap;
+}
+
+module_data*
+app_manager_lookup_module_data(const char *name)
+{
+    return module_data_list_lookup(name);
+}
+
+void app_manager_add_module_data(module_data *m_data)
+{
+    module_data_list_add(m_data);
+}
+
+void app_manager_del_module_data(module_data *m_data)
+{
+    module_data_list_remove(m_data);
+
+    release_module(m_data);
+}
+
+bool app_manager_is_interrupting_module(uint32 module_type)
+{
+    return app_manager_get_module_data(module_type)->wd_timer.is_interrupting;
+}
+
+extern void destory_module_timer_ctx(unsigned int module_id);
+
+void release_module(module_data *m_data)
+{
+    watchdog_timer_destroy(&m_data->wd_timer);
+
+#ifdef HEAP_ENABLED /* TODO */
+    if(m_data->heap) gc_destroy_for_instance(m_data->heap);
+#endif
+
+    if (m_data->queue)
+        bh_queue_destroy(m_data->queue);
+
+    m_data->timer_ctx = NULL;
+
+    destory_module_timer_ctx(m_data->id);
+
+    bh_free(m_data);
+}
+
+int check_modules_timer_expiry()
+{
+    vm_mutex_lock(&module_data_list_lock);
+    module_data *p = module_data_list;
+    int ms_to_expiry = -1;
+
+    while (p) {
+
+        int next = get_expiry_ms(p->timer_ctx);
+        if (next != -1) {
+            if (ms_to_expiry == -1 || ms_to_expiry > next)
+                ms_to_expiry = next;
+        }
+
+        p = p->next;
+    }
+    vm_mutex_unlock(&module_data_list_lock);
+    return ms_to_expiry;
+}
+