Import app manager, samples and test-tools
This commit is contained in:
wenyongh
406
core/app-mgr/app-manager/app_manager.c
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406
core/app-mgr/app-manager/app_manager.c
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/*
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* Copyright (C) 2019 Intel Corporation. All rights reserved.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include "app_manager.h"
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#include "app_manager_host.h"
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#include "bh_queue.h"
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#include "bh_memory.h"
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#include "bh_thread.h"
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#include "attr_container.h"
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#include "event.h"
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#include "watchdog.h"
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#include "coap_ext.h"
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/* Queue of app manager */
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static bh_queue *g_app_mgr_queue;
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void*
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get_app_manager_queue()
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{
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return g_app_mgr_queue;
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}
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void app_manager_post_applets_update_event()
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{
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module_data *m_data;
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attr_container_t *attr_cont;
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request_t msg;
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int num = 0, i = 0;
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char *url = "/applets";
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if (!event_is_registered(url))
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return;
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if (!(attr_cont = attr_container_create("All Applets"))) {
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app_manager_printf(
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"Post applets update event failed: allocate memory failed.");
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return;
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}
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vm_mutex_lock(&module_data_list_lock);
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m_data = module_data_list;
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while (m_data) {
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num++;
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m_data = m_data->next;
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}
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if (!(attr_container_set_int(&attr_cont, "num", num))) {
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app_manager_printf(
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"Post applets update event failed: set attr container key failed.");
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goto fail;
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}
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m_data = module_data_list;
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while (m_data) {
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char buf[32];
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i++;
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snprintf(buf, sizeof(buf), "%s%d", "applet", i);
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if (!(attr_container_set_string(&attr_cont, buf, m_data->module_name))) {
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app_manager_printf(
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"Post applets update event failed: set attr applet name key failed.");
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goto fail;
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}
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snprintf(buf, sizeof(buf), "%s%d", "heap", i);
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if (!(attr_container_set_int(&attr_cont, buf, m_data->heap_size))) {
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app_manager_printf(
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"Post applets update event failed: set attr heap key failed.");
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goto fail;
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}
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m_data = m_data->next;
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}
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memset(&msg, 0, sizeof(msg));
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msg.url = url;
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msg.action = COAP_EVENT;
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msg.payload = (char*) attr_cont;
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send_request_to_host(&msg);
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app_manager_printf("Post applets update event success!\n");
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attr_container_dump(attr_cont);
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fail: vm_mutex_unlock(&module_data_list_lock);
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attr_container_destroy(attr_cont);
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}
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static int get_applets_count()
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{
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module_data *m_data;
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int num = 0;
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vm_mutex_lock(&module_data_list_lock);
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m_data = module_data_list;
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while (m_data) {
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num++;
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m_data = m_data->next;
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}
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vm_mutex_unlock(&module_data_list_lock);
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return num;
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}
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/* Query fw apps info if name = NULL, otherwise query specify app */
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static bool app_manager_query_applets(request_t *msg, const char *name)
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{
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module_data *m_data;
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attr_container_t *attr_cont;
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int num = 0, i = 0, len;
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bool ret = false, found = false;
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response_t response[1] = { 0 };
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attr_cont = attr_container_create("Applets Info");
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if (!attr_cont) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applets failed: allocate memory failed.");
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return false;
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}
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vm_mutex_lock(&module_data_list_lock);
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m_data = module_data_list;
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while (m_data) {
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num++;
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m_data = m_data->next;
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}
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if (name == NULL && !(attr_container_set_int(&attr_cont, "num", num))) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applets failed: set attr container key failed.");
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goto fail;
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}
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m_data = module_data_list;
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while (m_data) {
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char buf[32];
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if (name == NULL) {
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i++;
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snprintf(buf, sizeof(buf), "%s%d", "applet", i);
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if (!(attr_container_set_string(&attr_cont, buf,
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m_data->module_name))) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applets failed: set attr container key failed.");
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goto fail;
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}
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snprintf(buf, sizeof(buf), "%s%d", "heap", i);
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if (!(attr_container_set_int(&attr_cont, buf, m_data->heap_size))) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applets failed: set attr container heap key failed.");
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goto fail;
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}
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} else if (!strcmp(name, m_data->module_name)) {
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found = true;
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if (!(attr_container_set_string(&attr_cont, "name",
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m_data->module_name))) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applet failed: set attr container key failed.");
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goto fail;
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}
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if (!(attr_container_set_int(&attr_cont, "heap", m_data->heap_size))) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applet failed: set attr container heap key failed.");
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goto fail;
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}
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}
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m_data = m_data->next;
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}
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if (name != NULL && !found) {
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SEND_ERR_RESPONSE(msg->mid,
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"Query Applet failed: the app is not found.");
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goto fail;
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}
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len = attr_container_get_serialize_length(attr_cont);
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make_response_for_request(msg, response);
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set_response(response, CONTENT_2_05,
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FMT_ATTR_CONTAINER, (char*) attr_cont, len);
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send_response_to_host(response);
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ret = true;
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app_manager_printf("Query Applets success!\n");
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attr_container_dump(attr_cont);
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fail: vm_mutex_unlock(&module_data_list_lock);
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attr_container_destroy(attr_cont);
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return ret;
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}
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void applet_mgt_reqeust_handler(request_t *request, void *unused)
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{
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bh_message_t msg;
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/* deep copy, but not use app self heap, but use global heap */
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request_t *req = clone_request(request);
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if (!req)
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return;
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msg = bh_new_msg(RESTFUL_REQUEST, req, sizeof(*req), request_cleaner);
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if (!msg) {
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request_cleaner(req);
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return;
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}
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bh_post_msg2(get_app_manager_queue(), msg);
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}
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/* return -1 for error */
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static int get_module_type(char *kv_str)
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{
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int module_type = -1;
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char type_str[8] = { 0 };
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find_key_value(kv_str, strlen(kv_str), "type", type_str,
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sizeof(type_str) - 1, '&');
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if (strlen(type_str) == 0)
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module_type = Module_WASM_App;
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else if (strcmp(type_str, "jeff") == 0)
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module_type = Module_Jeff;
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else if (strcmp(type_str, "wasm") == 0)
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module_type = Module_WASM_App;
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else if (strcmp(type_str, "wasmlib") == 0)
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module_type = Module_WASM_Lib;
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return module_type;
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}
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#define APP_NAME_MAX_LEN 128
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/* Queue callback of App Manager */
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static void app_manager_queue_callback(void *message)
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{
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request_t *request = (request_t *) bh_message_payload((bh_message_t)message);
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int mid = request->mid, module_type, offset;
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if ((offset = check_url_start(request->url, strlen(request->url), "/applet"))
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> 0) {
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module_type = get_module_type(request->url + offset);
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if (module_type == -1) {
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SEND_ERR_RESPONSE(mid,
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"Applet Management failed: invalid module type.");
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goto fail;
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}
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/* Install Applet */
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if (request->action == COAP_PUT) {
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if (get_applets_count() >= MAX_APP_INSTALLATIONS) {
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SEND_ERR_RESPONSE(mid,
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"Install Applet failed: exceed max app installations.");
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goto fail;
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}
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if (!request->payload) {
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SEND_ERR_RESPONSE(mid,
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"Install Applet failed: invalid payload.");
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goto fail;
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}
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if (g_module_interfaces[module_type]
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&& g_module_interfaces[module_type]->module_install) {
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if (!g_module_interfaces[module_type]->module_install(request))
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goto fail;
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}
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}
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/* Uninstall Applet */
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else if (request->action == COAP_DELETE) {
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module_type = get_module_type(request->url + offset);
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if (module_type == -1) {
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SEND_ERR_RESPONSE(mid,
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"Uninstall Applet failed: invalid module type.");
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goto fail;
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}
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if (g_module_interfaces[module_type]
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&& g_module_interfaces[module_type]->module_uninstall) {
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if (!g_module_interfaces[module_type]->module_uninstall(
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request))
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goto fail;
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}
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}
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/* Query Applets installed */
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else if (request->action == COAP_GET) {
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char name[APP_NAME_MAX_LEN] = { 0 };
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char *properties = request->url + offset;
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find_key_value(properties, strlen(properties), "name", name,
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sizeof(name) - 1, '&');
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if (strlen(name) > 0)
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app_manager_query_applets(request, name);
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else
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app_manager_query_applets(request, NULL);
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} else {
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SEND_ERR_RESPONSE(mid, "Invalid request of applet: invalid action");
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}
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}
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/* Event Register/Unregister */
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else if ((offset = check_url_start(request->url, strlen(request->url),
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"/event/")) > 0) {
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char url_buf[256] = { 0 };
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strncpy(url_buf, request->url + offset, sizeof(url_buf) - 1);
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if (!event_handle_event_request(request->action, url_buf, ID_HOST)) {
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SEND_ERR_RESPONSE(mid, "Handle event request failed.");
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goto fail;
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}
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send_error_response_to_host(mid, CONTENT_2_05, NULL); /* OK */
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} else {
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int i;
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for (i = 0; i < Module_Max; i++) {
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if (g_module_interfaces[i]
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&& g_module_interfaces[i]->module_handle_host_url) {
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if (g_module_interfaces[i]->module_handle_host_url(request))
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break;
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}
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}
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}
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fail:
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return;
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}
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static void module_interfaces_init()
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{
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int i;
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for (i = 0; i < Module_Max; i++) {
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if (g_module_interfaces[i] && g_module_interfaces[i]->module_init)
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g_module_interfaces[i]->module_init();
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}
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}
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void app_manager_startup(host_interface *interface)
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{
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module_interfaces_init();
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/* Create queue of App Manager */
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g_app_mgr_queue = bh_queue_create();
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if (!g_app_mgr_queue)
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return;
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if (!module_data_list_init())
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goto fail1;
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if (!watchdog_startup())
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goto fail2;
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/* Initialize Host */
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app_manager_host_init(interface);
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am_register_resource("/app/", targeted_app_request_handler, ID_APP_MGR);
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/*/app/ and /event/ are both processed by applet_mgt_reqeust_handler*/
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am_register_resource("/applet", applet_mgt_reqeust_handler, ID_APP_MGR);
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am_register_resource("/event/", applet_mgt_reqeust_handler, ID_APP_MGR);
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app_manager_printf("App Manager started.\n");
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/* Enter loop run */
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bh_queue_enter_loop_run(g_app_mgr_queue, app_manager_queue_callback);
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fail2: module_data_list_destroy();
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fail1: bh_queue_destroy(g_app_mgr_queue);
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}
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#include "module_config.h"
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module_interface *g_module_interfaces[Module_Max] = {
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#if ENABLE_MODULE_JEFF != 0
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&jeff_module_interface,
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#else
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NULL,
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#endif
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#if ENABLE_MODULE_WASM_APP != 0
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&wasm_app_module_interface,
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#else
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NULL,
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#endif
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#if ENABLE_MODULE_WASM_LIB != 0
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&wasm_lib_module_interface
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#else
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NULL
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#endif
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};
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