+++ /dev/null
-/*
- * Copyright (C) 2015, 2016, 2017 IoT.bzh
- * Author "Fulup Ar Foll"
- *
- * 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.
- */
-
-#define _GNU_SOURCE /* See feature_test_macros(7) */
-#include <stdio.h>
-#include <string.h>
-#include <assert.h>
-#include <json-c/json.h>
-
-#define AFB_BINDING_VERSION 2
-#include <afb/afb-binding.h>
-
-#include "utils-jbus.h"
-
-static const char _added_[] = "added";
-static const char _continue_[] = "continue";
-static const char _changed_[] = "changed";
-static const char _detail_[] = "detail";
-static const char _id_[] = "id";
-static const char _install_[] = "install";
-static const char _once_[] = "once";
-static const char _pause_[] = "pause";
-static const char _resume_[] = "resume";
-static const char _runid_[] = "runid";
-static const char _runnables_[] = "runnables";
-static const char _runners_[] = "runners";
-static const char _start_[] = "start";
-static const char _state_[] = "state";
-static const char _stop_[] = "stop";
-static const char _terminate_[] = "terminate";
-static const char _uninstall_[] = "uninstall";
-
-static struct jbus *jbus;
-
-/*
- * Structure for asynchronous call handling
- */
-struct memo
-{
- struct afb_req request; /* the recorded request */
- const char *method; /* the called method */
-};
-
-/*
- * Creates the memo for the 'request' and the 'method'.
- * Returns the memo in case of success.
- * In case of error, send a failure answer and returns NULL.
- */
-static struct memo *memo_create(struct afb_req request, const char *method)
-{
- struct memo *memo = malloc(sizeof *memo);
- if (memo == NULL)
- afb_req_fail(request, "failed", "out of memory");
- else {
- memo->request = request;
- memo->method = method;
- afb_req_addref(request);
- }
- return memo;
-}
-
-/*
- * Sends the asynchronous failed reply to the request recorded by 'memo'
- * Then fress the resources.
- */
-static void memo_fail(struct memo *memo, const char *info)
-{
- afb_req_fail(memo->request, "failed", info);
- afb_req_unref(memo->request);
- free(memo);
-}
-
-/*
- * Sends the asynchronous success reply to the request recorded by 'memo'
- * Then fress the resources.
- */
-static void memo_success(struct memo *memo, struct json_object *obj, const char *info)
-{
- afb_req_success(memo->request, obj, info);
- afb_req_unref(memo->request);
- free(memo);
-}
-
-/*
- * Broadcast the event "application-list-changed".
- * This event is sent was the event "changed" is received from dbus.
- */
-static void application_list_changed(const char *data, void *closure)
-{
- afb_daemon_broadcast_event("application-list-changed", NULL);
-}
-
-/*
- * Builds if possible the json object having one field of name 'tag'
- * whose value is 'obj' like here: { tag: obj } and returns it.
- * In case of error or when 'tag'==NULL or 'obj'==NULL, 'obj' is returned.
- * The reference count of 'obj' is not incremented.
- */
-static struct json_object *embed(const char *tag, struct json_object *obj)
-{
- struct json_object *result;
-
- if (obj == NULL || tag == NULL)
- result = obj;
- else {
- result = json_object_new_object();
- if (result == NULL) {
- /* can't embed */
- result = obj;
- }
- else {
- /* TODO why is json-c not returning a status? */
- json_object_object_add(result, tag, obj);
- }
- }
- return result;
-}
-
-/*
- * Callback for replies made by 'embed_call_void'.
- */
-static void embed_call_void_callback(int iserror, struct json_object *obj, struct memo *memo)
-{
- AFB_DEBUG("(afm-main-binding) %s(true) -> %s\n", memo->method,
- obj ? json_object_to_json_string(obj) : "NULL");
-
- if (iserror) {
- memo_fail(memo, obj ? json_object_get_string(obj) : "framework daemon failure");
- } else {
- memo_success(memo, embed(memo->method, json_object_get(obj)), NULL);
- }
-}
-
-/*
- * Calls with DBus the 'method' of the user daemon without arguments.
- */
-static void embed_call_void(struct afb_req request, const char *method)
-{
- struct memo *memo;
-
- /* store the request */
- memo = memo_create(request, method);
- if (memo == NULL)
- return;
-
- if (jbus_call_sj(jbus, method, "true", (void*)embed_call_void_callback, memo) < 0)
- memo_fail(memo, "dbus failure");
-}
-
-/*
- * Callback for replies made by 'call_appid' and 'call_runid'.
- */
-static void call_xxxid_callback(int iserror, struct json_object *obj, struct memo *memo)
-{
- AFB_DEBUG("(afm-main-binding) %s -> %s\n", memo->method,
- obj ? json_object_to_json_string(obj) : "NULL");
-
- if (iserror) {
- memo_fail(memo, obj ? json_object_get_string(obj) : "framework daemon failure");
- } else {
- memo_success(memo, json_object_get(obj), NULL);
- }
-}
-
-/*
- * Calls with DBus the 'method' of the user daemon with the argument "id".
- */
-static void call_appid(struct afb_req request, const char *method)
-{
- struct memo *memo;
- char *sid;
- const char *id;
-
- id = afb_req_value(request, _id_);
- if (id == NULL) {
- afb_req_fail(request, "bad-request", "missing 'id'");
- return;
- }
-
- memo = memo_create(request, method);
- if (memo == NULL)
- return;
-
- if (asprintf(&sid, "\"%s\"", id) <= 0) {
- memo_fail(memo, "out of memory");
- return;
- }
-
- if (jbus_call_sj(jbus, method, sid, (void*)call_xxxid_callback, memo) < 0)
- memo_fail(memo, "dbus failure");
-
- free(sid);
-}
-
-static void call_runid(struct afb_req request, const char *method)
-{
- struct memo *memo;
- const char *id;
-
- id = afb_req_value(request, _runid_);
- if (id == NULL) {
- afb_req_fail(request, "bad-request", "missing 'runid'");
- return;
- }
-
- memo = memo_create(request, method);
- if (memo == NULL)
- return;
-
- if (jbus_call_sj(jbus, method, id, (void*)call_xxxid_callback, memo) < 0)
- memo_fail(memo, "dbus failure");
-}
-
-/************************** entries ******************************/
-
-static void runnables(struct afb_req request)
-{
- embed_call_void(request, _runnables_);
-}
-
-static void detail(struct afb_req request)
-{
- call_appid(request, _detail_);
-}
-
-static void start_callback(int iserror, struct json_object *obj, struct memo *memo)
-{
- AFB_DEBUG("(afm-main-binding) %s -> %s\n", memo->method,
- obj ? json_object_to_json_string(obj) : "NULL");
-
- if (iserror) {
- memo_fail(memo, obj ? json_object_get_string(obj) : "framework daemon failure");
- } else {
- obj = json_object_get(obj);
- if (json_object_get_type(obj) == json_type_int)
- obj = embed(_runid_, obj);
- memo_success(memo, obj, NULL);
- }
-}
-
-static void start(struct afb_req request)
-{
- struct memo *memo;
- const char *id;
- char *query;
- int rc;
-
- /* get the id */
- id = afb_req_value(request, _id_);
- if (id == NULL) {
- afb_req_fail(request, "bad-request", "missing 'id'");
- return;
- }
-
- /* prepares asynchronous request */
- memo = memo_create(request, _start_);
- if (memo == NULL)
- return;
-
- /* create the query */
- rc = asprintf(&query, "{\"id\":\"%s\"}", id);
- if (rc < 0) {
- memo_fail(memo, "out of memory");
- return;
- }
-
- /* calls the service asynchronously */
- if (jbus_call_sj(jbus, _start_, query, (void*)start_callback, memo) < 0)
- memo_fail(memo, "dbus failure");
- free(query);
-}
-
-static void once(struct afb_req request)
-{
- call_appid(request, _once_);
-}
-
-static void terminate(struct afb_req request)
-{
- call_runid(request, _terminate_);
-}
-
-static void pause(struct afb_req request)
-{
- call_runid(request, _pause_);
-}
-
-static void resume(struct afb_req request)
-{
- call_runid(request, _resume_);
-}
-
-static void runners(struct afb_req request)
-{
- embed_call_void(request, _runners_);
-}
-
-static void state(struct afb_req request)
-{
- call_runid(request, _state_);
-}
-
-static void install_callback(int iserror, struct json_object *obj, struct memo *memo)
-{
- struct json_object *added;
-
- if (iserror) {
- memo_fail(memo, obj ? json_object_get_string(obj) : "framework daemon failure");
- } else {
- if (json_object_object_get_ex(obj, _added_, &added))
- obj = added;
- obj = json_object_get(obj);
- obj = embed(_id_, obj);
- memo_success(memo, obj, NULL);
- }
-}
-static void install(struct afb_req request)
-{
- struct memo *memo;
- char *query;
- const char *filename;
- struct afb_arg arg;
-
- /* get the argument */
- arg = afb_req_get(request, "widget");
- filename = arg.path;
- if (filename == NULL) {
- afb_req_fail(request, "bad-request", "missing 'widget' file");
- return;
- }
-
- /* prepares asynchronous request */
- memo = memo_create(request, _install_);
- if (memo == NULL)
- return;
-
- /* makes the query */
- if (0 >= asprintf(&query, "\"%s\"", filename)) {
- afb_req_fail(request, "server-error", "out of memory");
- return;
- }
-
- /* calls the service asynchronously */
- if (jbus_call_sj(jbus, _install_, query, (void*)install_callback, memo) < 0)
- memo_fail(memo, "dbus failure");
- free(query);
-}
-
-static void uninstall(struct afb_req request)
-{
- call_appid(request, _uninstall_);
-}
-
-static int init()
-{
- int rc;
- struct sd_bus *sbus;
-
- /* creates the jbus for accessing afm-user-daemon */
- sbus = afb_daemon_get_user_bus();
- if (sbus == NULL)
- return -1;
- jbus = create_jbus(sbus, "/org/AGL/afm/user");
- if (jbus == NULL)
- return -1;
-
- /* records the signal handler */
- rc = jbus_on_signal_s(jbus, _changed_, application_list_changed, NULL);
- if (rc < 0) {
- jbus_unref(jbus);
- return -1;
- }
-
- return 0;
-}
-
-static const struct afb_verb_v2 verbs[] =
-{
- {_runnables_, runnables, NULL, "Get list of runnable applications", AFB_SESSION_CHECK },
- {_detail_ , detail, NULL, "Get the details for one application", AFB_SESSION_CHECK },
- {_start_ , start, NULL, "Start an application", AFB_SESSION_CHECK },
- {_once_ , once, NULL, "Start once an application", AFB_SESSION_CHECK },
- {_terminate_, terminate, NULL, "Terminate a running application", AFB_SESSION_CHECK },
- {_pause_ , pause, NULL, "Pause a running application", AFB_SESSION_CHECK },
- {_resume_ , resume, NULL, "Resume a paused application", AFB_SESSION_CHECK },
- {_stop_ , pause, NULL, "Obsolete since 2016/11/08, use 'pause' instead", AFB_SESSION_CHECK },
- {_continue_ , resume, NULL, "Obsolete since 2016/11/08, use 'resume' instead", AFB_SESSION_CHECK },
- {_runners_ , runners, NULL, "Get the list of running applications", AFB_SESSION_CHECK },
- {_state_ , state, NULL, "Get the state of a running application", AFB_SESSION_CHECK },
- {_install_ , install, NULL, "Install an application using a widget file", AFB_SESSION_CHECK },
- {_uninstall_, uninstall, NULL, "Uninstall an application", AFB_SESSION_CHECK },
- { NULL, NULL, NULL, NULL, 0 }
-};
-
-const struct afb_binding_v2 afbBindingV2 = {
- .api = "afm-main",
- .specification = NULL,
- .info = "Application Framework Master Service",
- .verbs = verbs,
- .preinit = NULL,
- .init = init,
- .onevent = NULL,
- .noconcurrency = 0
-};
-
Code Review / src / app-framework-main.git / commitdiff