2 * Copyright (C) 2015, 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.
25 #include "afb-session.h"
26 #include "afb-context.h"
28 static void init_context(struct afb_context *context, struct afb_session *session, const char *token)
30 assert(session != NULL);
32 /* reset the context for the session */
33 context->session = session;
35 context->super = NULL;
36 context->api_key = NULL;
40 if (afb_session_check_token(session, token))
41 context->validated = 1;
43 context->invalidated = 1;
47 void afb_context_init(struct afb_context *context, struct afb_session *session, const char *token)
49 init_context(context, afb_session_addref(session), token);
52 void afb_context_subinit(struct afb_context *context, struct afb_context *super)
55 context->super = super;
58 int afb_context_connect(struct afb_context *context, const char *uuid, const char *token)
61 struct afb_session *session;
63 session = afb_session_get (uuid, &created);
66 init_context(context, session, token);
69 /* context->refreshing = 1; */
74 void afb_context_disconnect(struct afb_context *context)
76 if (context->session && !context->super) {
77 if (context->refreshing && !context->refreshed) {
78 afb_session_new_token (context->session);
79 context->refreshed = 1;
81 if (context->closing && !context->closed) {
82 afb_context_change_loa(context, 0);
83 afb_context_set(context, NULL, NULL);
86 afb_session_unref(context->session);
87 context->session = NULL;
91 const char *afb_context_sent_token(struct afb_context *context)
93 if (context->session == NULL || context->closing || context->super)
95 if (!context->refreshing)
97 if (!context->refreshed) {
98 afb_session_new_token (context->session);
99 context->refreshed = 1;
101 return afb_session_token(context->session);
104 const char *afb_context_sent_uuid(struct afb_context *context)
106 if (context->session == NULL || context->closing || context->super)
108 if (!context->created)
110 return afb_session_uuid(context->session);
113 void *afb_context_data(struct afb_context *context, void *(*make_value)(void), void (*free_value)(void*))
115 assert(context->session != NULL);
116 return afb_session_cookie(context->session, context->api_key, make_value, free_value);
119 void *afb_context_get(struct afb_context *context)
121 assert(context->session != NULL);
122 return afb_session_get_cookie(context->session, context->api_key);
125 int afb_context_set(struct afb_context *context, void *value, void (*free_value)(void*))
127 assert(context->session != NULL);
128 return afb_session_set_cookie(context->session, context->api_key, value, free_value);
131 void afb_context_close(struct afb_context *context)
133 context->closing = 1;
136 void afb_context_refresh(struct afb_context *context)
139 afb_context_refresh(context->super);
141 assert(context->validated);
142 context->refreshing = 1;
146 int afb_context_check(struct afb_context *context)
149 return afb_context_check(context);
150 return context->validated;
153 int afb_context_check_loa(struct afb_context *context, unsigned loa)
155 return afb_context_get_loa(context) >= loa;
158 static inline void *loa_key(struct afb_context *context)
160 return (void*)(1+(intptr_t)(context->api_key));
163 static inline void *loa2ptr(unsigned loa)
165 return (void*)(intptr_t)loa;
168 static inline unsigned ptr2loa(void *ptr)
170 return (unsigned)(intptr_t)ptr;
173 int afb_context_change_loa(struct afb_context *context, unsigned loa)
175 if (!context->validated || loa > 7)
178 return 0 <= afb_session_set_cookie(context->session, loa_key(context), loa2ptr(loa), NULL);
181 unsigned afb_context_get_loa(struct afb_context *context)
183 assert(context->session != NULL);
184 return ptr2loa(afb_session_get_cookie(context->session, loa_key(context)));