2 * Copyright (C) 2016, 2017 "IoT.bzh"
3 * Author "Fulup Ar Foll"
4 * Author José Bollo <jose.bollo@iot.bzh>
6 * Licensed under the Apache License, Version 2.0 (the "License");
7 * you may not use this file except in compliance with the License.
8 * You may obtain a copy of the License at
10 * http://www.apache.org/licenses/LICENSE-2.0
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
26 #include "afb-session.h"
29 #include "afb-context.h"
31 #include <afb/afb-req-itf.h>
38 static struct api_desc *apis_array = NULL;
39 static int apis_count = 0;
42 * Checks wether 'name' is a valid API name.
43 * @return 1 if valid, 0 otherwise
45 int afb_apis_is_valid_api_name(const char *name)
49 c = (unsigned char)*name;
51 /* empty names aren't valid */
55 if (c < (unsigned char)'\x80') {
73 c = (unsigned char)*++name;
79 * Adds the api of 'name' described by 'api'.
80 * @param name the name of the api to add (have to survive, not copied!)
82 * @returns 0 in case of success or -1 in case
83 * of error with errno set:
84 * - EINVAL if name isn't valid
85 * - EEXIST if name already registered
86 * - ENOMEM when out of memory
88 int afb_apis_add(const char *name, struct afb_api api)
90 struct api_desc *apis;
93 /* Checks the api name */
94 if (!afb_apis_is_valid_api_name(name)) {
95 ERROR("invalid api name forbidden (name is '%s')", name);
100 /* check previously existing plugin */
101 for (i = 0 ; i < apis_count ; i++) {
102 c = strcasecmp(apis_array[i].name, name);
104 ERROR("api of name %s already exists", name);
112 /* allocates enough memory */
113 apis = realloc(apis_array, ((unsigned)apis_count + 1) * sizeof * apis);
115 ERROR("out of memory");
121 /* copy higher part of the array */
124 apis_array[c] = apis_array[c - 1];
128 /* record the plugin */
129 apis = &apis_array[i];
141 * Dispatch the request 'req' with the 'context' to the
142 * method of 'api' and 'verb'.
143 * @param req the request to dispatch
144 * @param context the context of the request
145 * @param api the api of the verb
146 * @param verb the verb within the api
148 void afb_apis_call(struct afb_req req, struct afb_context *context, const char *api, const char *verb)
151 const struct api_desc *a;
153 /* init hooking the request */
154 req = afb_hook_req_call(req, context, api, verb);
156 /* dichotomic search of the api */
161 /* check remaining slice */
164 afb_req_fail(req, "fail", "api not found");
167 /* check the mid of the slice */
170 c = strcasecmp(a->name, api);
173 context->api_key = a->api.closure;
174 a->api.call(a->api.closure, req, context, verb);
177 /* update the slice */
185 int afb_apis_start_service(const char *api, int share_session, int onneed)
189 for (i = 0 ; i < apis_count ; i++) {
190 if (!strcasecmp(apis_array[i].name, api))
191 return apis_array[i].api.service_start(apis_array[i].api.closure, share_session, onneed);
193 ERROR("can't find service %s", api);
197 int afb_apis_start_all_services(int share_session)
201 for (i = 0 ; i < apis_count ; i++) {
202 rc = apis_array[i].api.service_start(apis_array[i].api.closure, share_session, 1);