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Diffstat (limited to 'src/cadet/cadet_api_get_path.c')
-rw-r--r--src/cadet/cadet_api_get_path.c155
1 files changed, 76 insertions, 79 deletions
diff --git a/src/cadet/cadet_api_get_path.c b/src/cadet/cadet_api_get_path.c
index fcc79c3d5..0f18014c3 100644
--- a/src/cadet/cadet_api_get_path.c
+++ b/src/cadet/cadet_api_get_path.c
@@ -16,7 +16,7 @@
16 along with this program. If not, see <http://www.gnu.org/licenses/>. 16 along with this program. If not, see <http://www.gnu.org/licenses/>.
17 17
18 SPDX-License-Identifier: AGPL3.0-or-later 18 SPDX-License-Identifier: AGPL3.0-or-later
19*/ 19 */
20/** 20/**
21 * @file cadet/cadet_api_get_path.c 21 * @file cadet/cadet_api_get_path.c
22 * @brief cadet api: client implementation of cadet service 22 * @brief cadet api: client implementation of cadet service
@@ -34,9 +34,7 @@
34/** 34/**
35 * Operation handle. 35 * Operation handle.
36 */ 36 */
37struct GNUNET_CADET_GetPath 37struct GNUNET_CADET_GetPath {
38{
39
40 /** 38 /**
41 * Monitor callback 39 * Monitor callback
42 */ 40 */
@@ -71,7 +69,6 @@ struct GNUNET_CADET_GetPath
71 * Peer we want information about. 69 * Peer we want information about.
72 */ 70 */
73 struct GNUNET_PeerIdentity id; 71 struct GNUNET_PeerIdentity id;
74
75}; 72};
76 73
77 74
@@ -84,24 +81,24 @@ struct GNUNET_CADET_GetPath
84 * #GNUNET_SYSERR otherwise 81 * #GNUNET_SYSERR otherwise
85 */ 82 */
86static int 83static int
87check_get_path (void *cls, 84check_get_path(void *cls,
88 const struct GNUNET_CADET_LocalInfoPath *message) 85 const struct GNUNET_CADET_LocalInfoPath *message)
89{ 86{
90 size_t msize = sizeof (struct GNUNET_CADET_LocalInfoPath); 87 size_t msize = sizeof(struct GNUNET_CADET_LocalInfoPath);
91 size_t esize; 88 size_t esize;
92 89
93 (void) cls; 90 (void)cls;
94 esize = ntohs (message->header.size); 91 esize = ntohs(message->header.size);
95 if (esize < msize) 92 if (esize < msize)
96 { 93 {
97 GNUNET_break (0); 94 GNUNET_break(0);
98 return GNUNET_SYSERR; 95 return GNUNET_SYSERR;
99 } 96 }
100 if (0 != ((esize - msize) % sizeof (struct GNUNET_PeerIdentity))) 97 if (0 != ((esize - msize) % sizeof(struct GNUNET_PeerIdentity)))
101 { 98 {
102 GNUNET_break (0); 99 GNUNET_break(0);
103 return GNUNET_SYSERR; 100 return GNUNET_SYSERR;
104 } 101 }
105 return GNUNET_OK; 102 return GNUNET_OK;
106} 103}
107 104
@@ -113,19 +110,19 @@ check_get_path (void *cls,
113 * @param message Message itself. 110 * @param message Message itself.
114 */ 111 */
115static void 112static void
116handle_get_path (void *cls, 113handle_get_path(void *cls,
117 const struct GNUNET_CADET_LocalInfoPath *message) 114 const struct GNUNET_CADET_LocalInfoPath *message)
118{ 115{
119 struct GNUNET_CADET_GetPath *gp = cls; 116 struct GNUNET_CADET_GetPath *gp = cls;
120 struct GNUNET_CADET_PeerPathDetail ppd; 117 struct GNUNET_CADET_PeerPathDetail ppd;
121 118
122 ppd.peer = gp->id; 119 ppd.peer = gp->id;
123 ppd.path = (const struct GNUNET_PeerIdentity *) &message[1]; 120 ppd.path = (const struct GNUNET_PeerIdentity *)&message[1];
124 ppd.target_offset = ntohl (message->off); 121 ppd.target_offset = ntohl(message->off);
125 ppd.path_length = (ntohs (message->header.size) - sizeof (*message)) 122 ppd.path_length = (ntohs(message->header.size) - sizeof(*message))
126 / sizeof (struct GNUNET_PeerIdentity); 123 / sizeof(struct GNUNET_PeerIdentity);
127 gp->path_cb (gp->path_cb_cls, 124 gp->path_cb(gp->path_cb_cls,
128 &ppd); 125 &ppd);
129} 126}
130 127
131 128
@@ -136,15 +133,15 @@ handle_get_path (void *cls,
136 * @param message Message itself. 133 * @param message Message itself.
137 */ 134 */
138static void 135static void
139handle_get_path_end (void *cls, 136handle_get_path_end(void *cls,
140 const struct GNUNET_MessageHeader *message) 137 const struct GNUNET_MessageHeader *message)
141{ 138{
142 struct GNUNET_CADET_GetPath *gp = cls; 139 struct GNUNET_CADET_GetPath *gp = cls;
143 140
144 (void) message; 141 (void)message;
145 gp->path_cb (gp->path_cb_cls, 142 gp->path_cb(gp->path_cb_cls,
146 NULL); 143 NULL);
147 GNUNET_CADET_get_path_cancel (gp); 144 GNUNET_CADET_get_path_cancel(gp);
148} 145}
149 146
150 147
@@ -154,7 +151,7 @@ handle_get_path_end (void *cls,
154 * @param cls a `struct GNUNET_CADET_GetPath` operation 151 * @param cls a `struct GNUNET_CADET_GetPath` operation
155 */ 152 */
156static void 153static void
157reconnect (void *cls); 154reconnect(void *cls);
158 155
159 156
160/** 157/**
@@ -164,18 +161,18 @@ reconnect (void *cls);
164 * @param error error code from MQ 161 * @param error error code from MQ
165 */ 162 */
166static void 163static void
167error_handler (void *cls, 164error_handler(void *cls,
168 enum GNUNET_MQ_Error error) 165 enum GNUNET_MQ_Error error)
169{ 166{
170 struct GNUNET_CADET_GetPath *gp = cls; 167 struct GNUNET_CADET_GetPath *gp = cls;
171 168
172 GNUNET_MQ_destroy (gp->mq); 169 GNUNET_MQ_destroy(gp->mq);
173 gp->mq = NULL; 170 gp->mq = NULL;
174 gp->backoff = GNUNET_TIME_randomized_backoff (gp->backoff, 171 gp->backoff = GNUNET_TIME_randomized_backoff(gp->backoff,
175 GNUNET_TIME_UNIT_MINUTES); 172 GNUNET_TIME_UNIT_MINUTES);
176 gp->reconnect_task = GNUNET_SCHEDULER_add_delayed (gp->backoff, 173 gp->reconnect_task = GNUNET_SCHEDULER_add_delayed(gp->backoff,
177 &reconnect, 174 &reconnect,
178 gp); 175 gp);
179} 176}
180 177
181 178
@@ -185,36 +182,36 @@ error_handler (void *cls,
185 * @param cls a `struct GNUNET_CADET_GetPath` operation 182 * @param cls a `struct GNUNET_CADET_GetPath` operation
186 */ 183 */
187static void 184static void
188reconnect (void *cls) 185reconnect(void *cls)
189{ 186{
190 struct GNUNET_CADET_GetPath *gp = cls; 187 struct GNUNET_CADET_GetPath *gp = cls;
191 struct GNUNET_MQ_MessageHandler handlers[] = { 188 struct GNUNET_MQ_MessageHandler handlers[] = {
192 GNUNET_MQ_hd_var_size (get_path, 189 GNUNET_MQ_hd_var_size(get_path,
193 GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_PATH, 190 GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_PATH,
194 struct GNUNET_CADET_LocalInfoPath, 191 struct GNUNET_CADET_LocalInfoPath,
195 gp), 192 gp),
196 GNUNET_MQ_hd_fixed_size (get_path_end, 193 GNUNET_MQ_hd_fixed_size(get_path_end,
197 GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_PATH_END, 194 GNUNET_MESSAGE_TYPE_CADET_LOCAL_INFO_PATH_END,
198 struct GNUNET_MessageHeader, 195 struct GNUNET_MessageHeader,
199 gp), 196 gp),
200 GNUNET_MQ_handler_end () 197 GNUNET_MQ_handler_end()
201 }; 198 };
202 struct GNUNET_CADET_RequestPathInfoMessage *msg; 199 struct GNUNET_CADET_RequestPathInfoMessage *msg;
203 struct GNUNET_MQ_Envelope *env; 200 struct GNUNET_MQ_Envelope *env;
204 201
205 gp->reconnect_task = NULL; 202 gp->reconnect_task = NULL;
206 gp->mq = GNUNET_CLIENT_connect (gp->cfg, 203 gp->mq = GNUNET_CLIENT_connect(gp->cfg,
207 "cadet", 204 "cadet",
208 handlers, 205 handlers,
209 &error_handler, 206 &error_handler,
210 gp); 207 gp);
211 if (NULL == gp->mq) 208 if (NULL == gp->mq)
212 return; 209 return;
213 env = GNUNET_MQ_msg (msg, 210 env = GNUNET_MQ_msg(msg,
214 GNUNET_MESSAGE_TYPE_CADET_LOCAL_REQUEST_INFO_PATH); 211 GNUNET_MESSAGE_TYPE_CADET_LOCAL_REQUEST_INFO_PATH);
215 msg->peer = gp->id; 212 msg->peer = gp->id;
216 GNUNET_MQ_send (gp->mq, 213 GNUNET_MQ_send(gp->mq,
217 env); 214 env);
218} 215}
219 216
220 217
@@ -228,29 +225,29 @@ reconnect (void *cls)
228 * @return NULL on error 225 * @return NULL on error
229 */ 226 */
230struct GNUNET_CADET_GetPath * 227struct GNUNET_CADET_GetPath *
231GNUNET_CADET_get_path (const struct GNUNET_CONFIGURATION_Handle *cfg, 228GNUNET_CADET_get_path(const struct GNUNET_CONFIGURATION_Handle *cfg,
232 const struct GNUNET_PeerIdentity *id, 229 const struct GNUNET_PeerIdentity *id,
233 GNUNET_CADET_PathCB callback, 230 GNUNET_CADET_PathCB callback,
234 void *callback_cls) 231 void *callback_cls)
235{ 232{
236 struct GNUNET_CADET_GetPath *gp; 233 struct GNUNET_CADET_GetPath *gp;
237 234
238 if (NULL == callback) 235 if (NULL == callback)
239 { 236 {
240 GNUNET_break (0); 237 GNUNET_break(0);
241 return NULL; 238 return NULL;
242 } 239 }
243 gp = GNUNET_new (struct GNUNET_CADET_GetPath); 240 gp = GNUNET_new(struct GNUNET_CADET_GetPath);
244 gp->path_cb = callback; 241 gp->path_cb = callback;
245 gp->path_cb_cls = callback_cls; 242 gp->path_cb_cls = callback_cls;
246 gp->cfg = cfg; 243 gp->cfg = cfg;
247 gp->id = *id; 244 gp->id = *id;
248 reconnect (gp); 245 reconnect(gp);
249 if (NULL == gp->mq) 246 if (NULL == gp->mq)
250 { 247 {
251 GNUNET_free (gp); 248 GNUNET_free(gp);
252 return NULL; 249 return NULL;
253 } 250 }
254 return gp; 251 return gp;
255} 252}
256 253
@@ -262,15 +259,15 @@ GNUNET_CADET_get_path (const struct GNUNET_CONFIGURATION_Handle *cfg,
262 * @return closure from #GNUNET_CADET_get_path(). 259 * @return closure from #GNUNET_CADET_get_path().
263 */ 260 */
264void * 261void *
265GNUNET_CADET_get_path_cancel (struct GNUNET_CADET_GetPath *gp) 262GNUNET_CADET_get_path_cancel(struct GNUNET_CADET_GetPath *gp)
266{ 263{
267 void *ret = gp->path_cb_cls; 264 void *ret = gp->path_cb_cls;
268 265
269 if (NULL != gp->mq) 266 if (NULL != gp->mq)
270 GNUNET_MQ_destroy (gp->mq); 267 GNUNET_MQ_destroy(gp->mq);
271 if (NULL != gp->reconnect_task) 268 if (NULL != gp->reconnect_task)
272 GNUNET_SCHEDULER_cancel (gp->reconnect_task); 269 GNUNET_SCHEDULER_cancel(gp->reconnect_task);
273 GNUNET_free (gp); 270 GNUNET_free(gp);
274 return ret; 271 return ret;
275} 272}
276 273