2 * Copyright (C) 2016, 2017 "IoT.bzh"
3 * Author José Bollo <jose.bollo@iot.bzh>
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
9 * http://www.apache.org/licenses/LICENSE-2.0
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
19 #define NO_BINDING_VERBOSE_MACRO
24 #include <json-c/json.h>
26 #include <afb/afb-binding.h>
30 #include "afb-common.h"
35 /**********************************************
37 **********************************************/
38 static void vverbose_cb(void *closure, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
41 struct afb_ditf *ditf = closure;
43 if (vasprintf(&p, fmt, args) < 0)
44 vverbose(level, file, line, function, fmt, args);
46 verbose(level, file, line, function, "%s {binding %s}", p, ditf->prefix);
51 static void old_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args)
53 vverbose_cb(closure, level, file, line, "?", fmt, args);
56 static struct afb_event event_make_cb(void *closure, const char *name)
60 struct afb_ditf *ditf = closure;
62 /* makes the event name */
63 plen = strlen(ditf->prefix);
65 event = alloca(nlen + plen + 2);
66 memcpy(event, ditf->prefix, plen);
68 memcpy(event + plen + 1, name, nlen + 1);
70 /* create the event */
71 return afb_evt_create_event(event);
74 static int event_broadcast_cb(void *closure, const char *name, struct json_object *object)
78 struct afb_ditf *ditf = closure;
80 /* makes the event name */
81 plen = strlen(ditf->prefix);
83 event = alloca(nlen + plen + 2);
84 memcpy(event, ditf->prefix, plen);
86 memcpy(event + plen + 1, name, nlen + 1);
88 /* broadcast the event */
89 return afb_evt_broadcast(event, object);
92 static int rootdir_open_locale_cb(void *closure, const char *filename, int flags, const char *locale)
94 return afb_common_rootdir_open_locale(filename, flags, locale);
97 static int queue_job_cb(void *closure, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout)
99 return jobs_queue(group, timeout, callback, argument);
102 /**********************************************
104 **********************************************/
105 static void hooked_vverbose_cb(void *closure, int level, const char *file, int line, const char *function, const char *fmt, va_list args)
107 struct afb_ditf *ditf = closure;
108 vverbose_cb(closure, level, file, line, function, fmt, args);
109 afb_hook_ditf_vverbose(ditf, level, file, line, function, fmt, args);
110 vverbose_cb(closure, level, file, line, function, fmt, args);
113 static void hooked_old_vverbose_cb(void *closure, int level, const char *file, int line, const char *fmt, va_list args)
115 struct afb_ditf *ditf = closure;
116 old_vverbose_cb(closure, level, file, line, fmt, args);
117 afb_hook_ditf_vverbose(ditf, level, file, line, "", fmt, args);
120 static struct afb_event hooked_event_make_cb(void *closure, const char *name)
122 struct afb_ditf *ditf = closure;
123 struct afb_event r = event_make_cb(closure, name);
124 return afb_hook_ditf_event_make(ditf, name, r);
127 static int hooked_event_broadcast_cb(void *closure, const char *name, struct json_object *object)
130 struct afb_ditf *ditf = closure;
131 json_object_get(object);
132 afb_hook_ditf_event_broadcast_before(ditf, name, json_object_get(object));
133 r = event_broadcast_cb(closure, name, object);
134 afb_hook_ditf_event_broadcast_after(ditf, name, object, r);
135 json_object_put(object);
139 static struct sd_event *hooked_get_event_loop(void *closure)
141 struct afb_ditf *ditf = closure;
142 struct sd_event *r = afb_common_get_event_loop();
143 return afb_hook_ditf_get_event_loop(ditf, r);
146 static struct sd_bus *hooked_get_user_bus(void *closure)
148 struct afb_ditf *ditf = closure;
149 struct sd_bus *r = afb_common_get_user_bus();
150 return afb_hook_ditf_get_user_bus(ditf, r);
153 static struct sd_bus *hooked_get_system_bus(void *closure)
155 struct afb_ditf *ditf = closure;
156 struct sd_bus *r = afb_common_get_system_bus();
157 return afb_hook_ditf_get_system_bus(ditf, r);
160 static int hooked_rootdir_get_fd(void *closure)
162 struct afb_ditf *ditf = closure;
163 int r = afb_common_rootdir_get_fd();
164 return afb_hook_ditf_rootdir_get_fd(ditf, r);
167 static int hooked_rootdir_open_locale_cb(void *closure, const char *filename, int flags, const char *locale)
169 struct afb_ditf *ditf = closure;
170 int r = rootdir_open_locale_cb(closure, filename, flags, locale);
171 return afb_hook_ditf_rootdir_open_locale(ditf, filename, flags, locale, r);
174 static int hooked_queue_job_cb(void *closure, void (*callback)(int signum, void *arg), void *argument, void *group, int timeout)
176 struct afb_ditf *ditf = closure;
177 int r = queue_job_cb(closure, callback, argument, group, timeout);
178 return afb_hook_ditf_queue_job(ditf, callback, argument, group, timeout, r);
181 static const struct afb_daemon_itf daemon_itf = {
182 .vverbose = old_vverbose_cb,
183 .event_make = event_make_cb,
184 .event_broadcast = event_broadcast_cb,
185 .get_event_loop = afb_common_get_event_loop,
186 .get_user_bus = afb_common_get_user_bus,
187 .get_system_bus = afb_common_get_system_bus,
188 .rootdir_get_fd = afb_common_rootdir_get_fd,
189 .rootdir_open_locale = rootdir_open_locale_cb,
190 .queue_job = queue_job_cb
193 static const struct afb_daemon_itf hooked_daemon_itf = {
194 .vverbose = hooked_old_vverbose_cb,
195 .event_make = hooked_event_make_cb,
196 .event_broadcast = hooked_event_broadcast_cb,
197 .get_event_loop = hooked_get_event_loop,
198 .get_user_bus = hooked_get_user_bus,
199 .get_system_bus = hooked_get_system_bus,
200 .rootdir_get_fd = hooked_rootdir_get_fd,
201 .rootdir_open_locale = hooked_rootdir_open_locale_cb,
202 .queue_job = hooked_queue_job_cb
205 void afb_ditf_init(struct afb_ditf *ditf, const char *prefix)
207 ditf->interface.verbosity = verbosity;
208 ditf->interface.mode = AFB_MODE_LOCAL;
209 ditf->interface.daemon.closure = ditf;
210 afb_ditf_rename(ditf, prefix);
213 void afb_ditf_rename(struct afb_ditf *ditf, const char *prefix)
215 ditf->prefix = prefix;
216 afb_ditf_update_hook(ditf);
219 void afb_ditf_update_hook(struct afb_ditf *ditf)
221 if (afb_hook_flags_ditf(ditf->prefix))
222 ditf->interface.daemon.itf = &hooked_daemon_itf;
224 ditf->interface.daemon.itf = &daemon_itf;