diff options
Diffstat (limited to 'src')
-rw-r--r-- | src/transport/Makefile.am | 6 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport-new.c | 52 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport.h | 9 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport_clients.c | 62 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport_clients.h | 12 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport_hello.c | 358 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport_hello.h | 42 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport_plugins.c | 94 | ||||
-rw-r--r-- | src/transport/gnunet-service-transport_plugins.h | 31 |
9 files changed, 652 insertions, 14 deletions
diff --git a/src/transport/Makefile.am b/src/transport/Makefile.am index e004d9c00..5c8a997a9 100644 --- a/src/transport/Makefile.am +++ b/src/transport/Makefile.am | |||
@@ -150,10 +150,10 @@ gnunet_service_transport_LDADD = \ | |||
150 | gnunet_service_transport_new_SOURCES = \ | 150 | gnunet_service_transport_new_SOURCES = \ |
151 | gnunet-service-transport-new.c gnunet-service-transport.h \ | 151 | gnunet-service-transport-new.c gnunet-service-transport.h \ |
152 | gnunet-service-transport_blacklist.h \ | 152 | gnunet-service-transport_blacklist.h \ |
153 | gnunet-service-transport_clients.h \ | 153 | gnunet-service-transport_clients.h gnunet-service-transport_clients.c \ |
154 | gnunet-service-transport_hello.h \ | 154 | gnunet-service-transport_hello.h gnunet-service-transport_hello.c \ |
155 | gnunet-service-transport_neighbours.h \ | 155 | gnunet-service-transport_neighbours.h \ |
156 | gnunet-service-transport_plugins.h \ | 156 | gnunet-service-transport_plugins.h gnunet-service-transport_plugins.c \ |
157 | gnunet-service-transport_validation.h | 157 | gnunet-service-transport_validation.h |
158 | gnunet_service_transport_new_LDADD = \ | 158 | gnunet_service_transport_new_LDADD = \ |
159 | $(top_builddir)/src/hello/libgnunethello.la \ | 159 | $(top_builddir)/src/hello/libgnunethello.la \ |
diff --git a/src/transport/gnunet-service-transport-new.c b/src/transport/gnunet-service-transport-new.c index c039d5963..bade1cf5a 100644 --- a/src/transport/gnunet-service-transport-new.c +++ b/src/transport/gnunet-service-transport-new.c | |||
@@ -27,6 +27,7 @@ | |||
27 | #include "gnunet_util_lib.h" | 27 | #include "gnunet_util_lib.h" |
28 | #include "gnunet_statistics_service.h" | 28 | #include "gnunet_statistics_service.h" |
29 | #include "gnunet_transport_service.h" | 29 | #include "gnunet_transport_service.h" |
30 | #include "gnunet_peerinfo_service.h" | ||
30 | #include "gnunet-service-transport.h" | 31 | #include "gnunet-service-transport.h" |
31 | #include "gnunet-service-transport_blacklist.h" | 32 | #include "gnunet-service-transport_blacklist.h" |
32 | #include "gnunet-service-transport_clients.h" | 33 | #include "gnunet-service-transport_clients.h" |
@@ -53,14 +54,39 @@ const struct GNUNET_CONFIGURATION_Handle *GST_cfg; | |||
53 | struct GNUNET_PeerIdentity GST_my_identity; | 54 | struct GNUNET_PeerIdentity GST_my_identity; |
54 | 55 | ||
55 | /** | 56 | /** |
57 | * Handle to peerinfo service. | ||
58 | */ | ||
59 | struct GNUNET_PEERINFO_Handle *GST_peerinfo; | ||
60 | |||
61 | /** | ||
62 | * Our public key. | ||
63 | */ | ||
64 | struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded GST_my_public_key; | ||
65 | |||
66 | /** | ||
56 | * Our private key. | 67 | * Our private key. |
57 | */ | 68 | */ |
58 | static struct GNUNET_CRYPTO_RsaPrivateKey *my_private_key; | 69 | static struct GNUNET_CRYPTO_RsaPrivateKey *my_private_key; |
59 | 70 | ||
71 | |||
60 | /** | 72 | /** |
61 | * Our public key. | 73 | * My HELLO has changed. Tell everyone who should know. |
74 | * | ||
75 | * @param cls unused | ||
76 | * @param hello new HELLO | ||
62 | */ | 77 | */ |
63 | static struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded my_public_key; | 78 | static void |
79 | process_hello_update (void *cls, | ||
80 | const struct GNUNET_MessageHeader *hello) | ||
81 | { | ||
82 | GST_clients_broadcast (hello); | ||
83 | #if 0 | ||
84 | GNUNET_CONTAINER_multihashmap_iterate (neighbours, | ||
85 | &transmit_our_hello_if_pong, | ||
86 | NULL); | ||
87 | #endif | ||
88 | } | ||
89 | |||
64 | 90 | ||
65 | /** | 91 | /** |
66 | * Function called when the service shuts down. Unloads our plugins | 92 | * Function called when the service shuts down. Unloads our plugins |
@@ -73,6 +99,13 @@ static void | |||
73 | shutdown_task (void *cls, | 99 | shutdown_task (void *cls, |
74 | const struct GNUNET_SCHEDULER_TaskContext *tc) | 100 | const struct GNUNET_SCHEDULER_TaskContext *tc) |
75 | { | 101 | { |
102 | GST_hello_stop (); | ||
103 | |||
104 | if (GST_peerinfo != NULL) | ||
105 | { | ||
106 | GNUNET_PEERINFO_disconnect (GST_peerinfo); | ||
107 | GST_peerinfo = NULL; | ||
108 | } | ||
76 | if (GST_stats != NULL) | 109 | if (GST_stats != NULL) |
77 | { | 110 | { |
78 | GNUNET_STATISTICS_destroy (GST_stats, GNUNET_NO); | 111 | GNUNET_STATISTICS_destroy (GST_stats, GNUNET_NO); |
@@ -128,11 +161,20 @@ run (void *cls, | |||
128 | return; | 161 | return; |
129 | } | 162 | } |
130 | GST_stats = GNUNET_STATISTICS_create ("transport", c); | 163 | GST_stats = GNUNET_STATISTICS_create ("transport", c); |
131 | GNUNET_CRYPTO_rsa_key_get_public (my_private_key, &my_public_key); | 164 | GST_peerinfo = GNUNET_PEERINFO_connect (c); |
132 | GNUNET_CRYPTO_hash (&my_public_key, | 165 | GNUNET_CRYPTO_rsa_key_get_public (my_private_key, &GST_my_public_key); |
133 | sizeof (my_public_key), &GST_my_identity.hashPubKey); | 166 | GNUNET_CRYPTO_hash (&GST_my_public_key, |
167 | sizeof (GST_my_public_key), &GST_my_identity.hashPubKey); | ||
134 | GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, | 168 | GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, |
135 | &shutdown_task, NULL); | 169 | &shutdown_task, NULL); |
170 | if (GST_peerinfo == NULL) | ||
171 | { | ||
172 | GNUNET_log (GNUNET_ERROR_TYPE_ERROR, | ||
173 | _("Could not access PEERINFO service. Exiting.\n")); | ||
174 | GNUNET_SCHEDULER_shutdown (); | ||
175 | return; | ||
176 | } | ||
177 | GST_hello_start (&process_hello_update, NULL); | ||
136 | } | 178 | } |
137 | 179 | ||
138 | 180 | ||
diff --git a/src/transport/gnunet-service-transport.h b/src/transport/gnunet-service-transport.h index 8db60d707..d6eda464a 100644 --- a/src/transport/gnunet-service-transport.h +++ b/src/transport/gnunet-service-transport.h | |||
@@ -45,6 +45,15 @@ extern const struct GNUNET_CONFIGURATION_Handle *GST_cfg; | |||
45 | */ | 45 | */ |
46 | extern struct GNUNET_PeerIdentity GST_my_identity; | 46 | extern struct GNUNET_PeerIdentity GST_my_identity; |
47 | 47 | ||
48 | /** | ||
49 | * Handle to peerinfo service. | ||
50 | */ | ||
51 | extern struct GNUNET_PEERINFO_Handle *GST_peerinfo; | ||
52 | |||
53 | /** | ||
54 | * Our public key. | ||
55 | */ | ||
56 | extern struct GNUNET_CRYPTO_RsaPublicKeyBinaryEncoded GST_my_public_key; | ||
48 | 57 | ||
49 | #endif | 58 | #endif |
50 | /* end of file gnunet-service-transport_plugins.h */ | 59 | /* end of file gnunet-service-transport_plugins.h */ |
diff --git a/src/transport/gnunet-service-transport_clients.c b/src/transport/gnunet-service-transport_clients.c new file mode 100644 index 000000000..9fe367c16 --- /dev/null +++ b/src/transport/gnunet-service-transport_clients.c | |||
@@ -0,0 +1,62 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2010,2011 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 3, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file transport/gnunet-service-transport_clients.c | ||
23 | * @brief plugin management API | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet-service-transport_clients.h" | ||
28 | |||
29 | |||
30 | /** | ||
31 | * Start handling requests from clients. | ||
32 | * | ||
33 | * @param server server used to accept clients from. | ||
34 | */ | ||
35 | void | ||
36 | GST_clients_start (struct GNUNET_SERVER_Handle *server) | ||
37 | { | ||
38 | } | ||
39 | |||
40 | |||
41 | /** | ||
42 | * Stop processing clients. | ||
43 | */ | ||
44 | void | ||
45 | GST_clients_stop () | ||
46 | { | ||
47 | } | ||
48 | |||
49 | |||
50 | /** | ||
51 | * Broadcast the given message to all of our clients. | ||
52 | * | ||
53 | * @param msg message to broadcast | ||
54 | */ | ||
55 | void | ||
56 | GST_clients_broadcast (const struct GNUNET_MessageHeader *msg) | ||
57 | { | ||
58 | |||
59 | } | ||
60 | |||
61 | |||
62 | /* end of file gnunet-service-transport_clients.c */ | ||
diff --git a/src/transport/gnunet-service-transport_clients.h b/src/transport/gnunet-service-transport_clients.h index 1884ece5d..aa696b1ab 100644 --- a/src/transport/gnunet-service-transport_clients.h +++ b/src/transport/gnunet-service-transport_clients.h | |||
@@ -31,19 +31,29 @@ | |||
31 | 31 | ||
32 | 32 | ||
33 | /** | 33 | /** |
34 | * Start handling requests from clients. | ||
34 | * | 35 | * |
36 | * @param server server used to accept clients from. | ||
35 | */ | 37 | */ |
36 | void | 38 | void |
37 | GST_clients_start (struct GNUNET_SERVER_Handle *server); | 39 | GST_clients_start (struct GNUNET_SERVER_Handle *server); |
38 | 40 | ||
39 | 41 | ||
40 | /** | 42 | /** |
41 | * | 43 | * Stop processing clients. |
42 | */ | 44 | */ |
43 | void | 45 | void |
44 | GST_clients_stop (void); | 46 | GST_clients_stop (void); |
45 | 47 | ||
46 | 48 | ||
49 | /** | ||
50 | * Broadcast the given message to all of our clients. | ||
51 | * | ||
52 | * @param msg message to broadcast | ||
53 | */ | ||
54 | void | ||
55 | GST_clients_broadcast (const struct GNUNET_MessageHeader *msg); | ||
56 | |||
47 | 57 | ||
48 | 58 | ||
49 | #endif | 59 | #endif |
diff --git a/src/transport/gnunet-service-transport_hello.c b/src/transport/gnunet-service-transport_hello.c new file mode 100644 index 000000000..cf7459769 --- /dev/null +++ b/src/transport/gnunet-service-transport_hello.c | |||
@@ -0,0 +1,358 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2010,2011 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 3, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file transport/gnunet-service-transport_hello.c | ||
23 | * @brief hello management implementation | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_hello_lib.h" | ||
28 | #include "gnunet_peerinfo_service.h" | ||
29 | #include "gnunet_statistics_service.h" | ||
30 | #include "gnunet-service-transport_hello.h" | ||
31 | #include "gnunet-service-transport.h" | ||
32 | #include "gnunet-service-transport_plugins.h" | ||
33 | |||
34 | /** | ||
35 | * After how long do we expire an address in a HELLO that we just | ||
36 | * validated? This value is also used for our own addresses when we | ||
37 | * create a HELLO. | ||
38 | */ | ||
39 | #define HELLO_ADDRESS_EXPIRATION GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 12) | ||
40 | |||
41 | /** | ||
42 | * How often do we refresh our HELLO (due to expiration concerns)? | ||
43 | */ | ||
44 | #define HELLO_REFRESH_PERIOD GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_HOURS, 6) | ||
45 | |||
46 | |||
47 | /** | ||
48 | * Entry in linked list of network addresses for ourselves. Also | ||
49 | * includes a cached signature for 'struct TransportPongMessage's. | ||
50 | */ | ||
51 | struct OwnAddressList | ||
52 | { | ||
53 | /** | ||
54 | * This is a doubly-linked list. | ||
55 | */ | ||
56 | struct OwnAddressList *next; | ||
57 | |||
58 | /** | ||
59 | * This is a doubly-linked list. | ||
60 | */ | ||
61 | struct OwnAddressList *prev; | ||
62 | |||
63 | /** | ||
64 | * Name of the plugin. | ||
65 | */ | ||
66 | char *plugin_name; | ||
67 | |||
68 | /** | ||
69 | * How long until the current signature expires? (ZERO if the | ||
70 | * signature was never created). | ||
71 | */ | ||
72 | struct GNUNET_TIME_Absolute pong_sig_expires; | ||
73 | |||
74 | /** | ||
75 | * Signature for a 'struct TransportPongMessage' for this address. | ||
76 | */ | ||
77 | struct GNUNET_CRYPTO_RsaSignature pong_signature; | ||
78 | |||
79 | /** | ||
80 | * Length of addr. | ||
81 | */ | ||
82 | size_t addrlen; | ||
83 | |||
84 | }; | ||
85 | |||
86 | |||
87 | /** | ||
88 | * Our HELLO message. | ||
89 | */ | ||
90 | static struct GNUNET_HELLO_Message *our_hello; | ||
91 | |||
92 | /** | ||
93 | * Function to call on HELLO changes. | ||
94 | */ | ||
95 | static GST_HelloCallback hello_cb; | ||
96 | |||
97 | /** | ||
98 | * Closure for 'hello_cb'. | ||
99 | */ | ||
100 | static void *hello_cb_cls; | ||
101 | |||
102 | /** | ||
103 | * Head of my addresses. | ||
104 | */ | ||
105 | struct OwnAddressList *oal_head; | ||
106 | |||
107 | /** | ||
108 | * Tail of my addresses. | ||
109 | */ | ||
110 | struct OwnAddressList *oal_tail; | ||
111 | |||
112 | /** | ||
113 | * Identifier of 'refresh_hello' task. | ||
114 | */ | ||
115 | static GNUNET_SCHEDULER_TaskIdentifier hello_task; | ||
116 | |||
117 | |||
118 | /** | ||
119 | * Closure for 'address_generator'. | ||
120 | */ | ||
121 | struct GeneratorContext | ||
122 | { | ||
123 | /** | ||
124 | * Where are we in the DLL? | ||
125 | */ | ||
126 | struct OwnAddressList *addr_pos; | ||
127 | |||
128 | /** | ||
129 | * When do addresses expire? | ||
130 | */ | ||
131 | struct GNUNET_TIME_Absolute expiration; | ||
132 | }; | ||
133 | |||
134 | |||
135 | /** | ||
136 | * Add an address from the 'OwnAddressList' to the buffer. | ||
137 | * | ||
138 | * @param cls the 'struct GeneratorContext' | ||
139 | * @param max maximum number of bytes left | ||
140 | * @param buf where to write the address | ||
141 | */ | ||
142 | static size_t | ||
143 | address_generator (void *cls, size_t max, void *buf) | ||
144 | { | ||
145 | struct GeneratorContext *gc = cls; | ||
146 | size_t ret; | ||
147 | |||
148 | if (NULL == gc->addr_pos) | ||
149 | return 0; | ||
150 | ret = GNUNET_HELLO_add_address (gc->addr_pos->plugin_name, | ||
151 | gc->expiration, | ||
152 | &gc->addr_pos[1], | ||
153 | gc->addr_pos->addrlen, | ||
154 | buf, max); | ||
155 | gc->addr_pos = gc->addr_pos->next; | ||
156 | return ret; | ||
157 | } | ||
158 | |||
159 | |||
160 | /** | ||
161 | * Construct our HELLO message from all of the addresses of | ||
162 | * all of the transports. | ||
163 | * | ||
164 | * @param cls unused | ||
165 | * @param tc scheduler context | ||
166 | */ | ||
167 | static void | ||
168 | refresh_hello_task (void *cls, | ||
169 | const struct GNUNET_SCHEDULER_TaskContext *tc) | ||
170 | { | ||
171 | struct GeneratorContext gc; | ||
172 | |||
173 | hello_task = GNUNET_SCHEDULER_NO_TASK; | ||
174 | gc.addr_pos = oal_head; | ||
175 | gc.expiration = GNUNET_TIME_relative_to_absolute (HELLO_ADDRESS_EXPIRATION); | ||
176 | GNUNET_free (our_hello); | ||
177 | our_hello = GNUNET_HELLO_create (&GST_my_public_key, | ||
178 | &address_generator, | ||
179 | &gc); | ||
180 | #if DEBUG_TRANSPORT | ||
181 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG | GNUNET_ERROR_TYPE_BULK, | ||
182 | "Refreshed my `%s', new size is %d\n", "HELLO", | ||
183 | GNUNET_HELLO_size(our_hello)); | ||
184 | #endif | ||
185 | GNUNET_STATISTICS_update (GST_stats, | ||
186 | gettext_noop ("# refreshed my HELLO"), | ||
187 | 1, | ||
188 | GNUNET_NO); | ||
189 | if (NULL != hello_cb) | ||
190 | hello_cb (hello_cb_cls, GST_hello_get()); | ||
191 | GNUNET_PEERINFO_add_peer (GST_peerinfo, our_hello); | ||
192 | hello_task | ||
193 | = GNUNET_SCHEDULER_add_delayed (HELLO_REFRESH_PERIOD, | ||
194 | &refresh_hello_task, | ||
195 | NULL); | ||
196 | |||
197 | } | ||
198 | |||
199 | |||
200 | /** | ||
201 | * Schedule task to refresh hello (unless such a | ||
202 | * task exists already). | ||
203 | */ | ||
204 | static void | ||
205 | refresh_hello () | ||
206 | { | ||
207 | if (hello_task != GNUNET_SCHEDULER_NO_TASK) | ||
208 | GNUNET_SCHEDULER_cancel (hello_task); | ||
209 | hello_task | ||
210 | = GNUNET_SCHEDULER_add_now (&refresh_hello_task, | ||
211 | NULL); | ||
212 | } | ||
213 | |||
214 | |||
215 | /** | ||
216 | * Initialize the HELLO module. | ||
217 | * | ||
218 | * @param cb function to call whenever our HELLO changes | ||
219 | * @param cb_cls closure for cb | ||
220 | */ | ||
221 | void | ||
222 | GST_hello_start (GST_HelloCallback cb, | ||
223 | void *cb_cls) | ||
224 | { | ||
225 | hello_cb = cb; | ||
226 | hello_cb_cls = cb_cls; | ||
227 | our_hello = GNUNET_HELLO_create (&GST_my_public_key, | ||
228 | NULL, NULL); | ||
229 | refresh_hello (); | ||
230 | } | ||
231 | |||
232 | |||
233 | /** | ||
234 | * Shutdown the HELLO module. | ||
235 | */ | ||
236 | void | ||
237 | GST_hello_stop () | ||
238 | { | ||
239 | hello_cb = NULL; | ||
240 | hello_cb_cls = NULL; | ||
241 | if (GNUNET_SCHEDULER_NO_TASK != hello_task) | ||
242 | { | ||
243 | GNUNET_SCHEDULER_cancel (hello_task); | ||
244 | hello_task = GNUNET_SCHEDULER_NO_TASK; | ||
245 | } | ||
246 | if (NULL != our_hello) | ||
247 | { | ||
248 | GNUNET_free (our_hello); | ||
249 | our_hello = NULL; | ||
250 | } | ||
251 | } | ||
252 | |||
253 | |||
254 | /** | ||
255 | * Obtain this peers HELLO message. | ||
256 | * | ||
257 | * @return our HELLO message | ||
258 | */ | ||
259 | const struct GNUNET_MessageHeader * | ||
260 | GST_hello_get () | ||
261 | { | ||
262 | return (struct GNUNET_MessageHeader*) our_hello; | ||
263 | } | ||
264 | |||
265 | |||
266 | /** | ||
267 | * Add or remove an address from this peer's HELLO message. | ||
268 | * | ||
269 | * @param addremove GNUNET_YES to add, GNUNET_NO to remove | ||
270 | * @param plugin_name name of the plugin for which this is an address | ||
271 | * @param plugin_address address in a plugin-specific format | ||
272 | * @param plugin_address_len number of bytes in plugin_address | ||
273 | */ | ||
274 | void | ||
275 | GST_hello_modify_addresses (int addremove, | ||
276 | const char *plugin_name, | ||
277 | const void *plugin_address, | ||
278 | size_t plugin_address_len) | ||
279 | { | ||
280 | struct OwnAddressList *al; | ||
281 | |||
282 | #if DEBUG_TRANSPORT | ||
283 | GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, | ||
284 | (add_remove == GNUNET_YES) | ||
285 | ? "Adding `%s':%s to the set of our addresses\n" | ||
286 | : "Removing `%s':%s from the set of our addresses\n", | ||
287 | GST_plugins_a2s (plugin_name, | ||
288 | addr, addrlen), | ||
289 | p->short_name); | ||
290 | #endif | ||
291 | GNUNET_assert (plugin_address != NULL); | ||
292 | if (GNUNET_NO == addremove) | ||
293 | { | ||
294 | for (al = oal_head; al != NULL; al = al->next) | ||
295 | if ( (plugin_address_len == al->addrlen) && | ||
296 | (0 == strcmp (al->plugin_name, plugin_name)) && | ||
297 | (0 == memcmp (plugin_address, &al[1], plugin_address_len)) ) | ||
298 | { | ||
299 | GNUNET_CONTAINER_DLL_remove (oal_head, | ||
300 | oal_tail, | ||
301 | al); | ||
302 | GNUNET_free (al->plugin_name); | ||
303 | GNUNET_free (al); | ||
304 | refresh_hello (); | ||
305 | return; | ||
306 | } | ||
307 | /* address to be removed not found!? */ | ||
308 | GNUNET_break (0); | ||
309 | return; | ||
310 | } | ||
311 | al = GNUNET_malloc (sizeof (struct OwnAddressList) + plugin_address_len); | ||
312 | GNUNET_CONTAINER_DLL_insert (oal_head, | ||
313 | oal_tail, | ||
314 | al); | ||
315 | al->plugin_name = GNUNET_strdup (plugin_name); | ||
316 | al->addrlen = plugin_address_len; | ||
317 | memcpy (&al[1], plugin_address, plugin_address_len); | ||
318 | refresh_hello (); | ||
319 | } | ||
320 | |||
321 | |||
322 | /** | ||
323 | * Test if a particular address is one of ours. | ||
324 | * | ||
325 | * @param plugin_name name of the plugin for which this is an address | ||
326 | * @param plugin_address address in a plugin-specific format | ||
327 | * @param plugin_address_len number of bytes in plugin_address | ||
328 | * @param sig location where to cache PONG signatures for this address [set] | ||
329 | * @param sig_expiration how long until the current 'sig' expires? | ||
330 | * (ZERO if sig was never created) [set] | ||
331 | * @return GNUNET_YES if this is one of our addresses, | ||
332 | * GNUNET_NO if not | ||
333 | */ | ||
334 | int | ||
335 | GST_hello_test_address (const char *plugin_name, | ||
336 | const void *plugin_address, | ||
337 | size_t plugin_address_len, | ||
338 | struct GNUNET_CRYPTO_RsaSignature **sig, | ||
339 | struct GNUNET_TIME_Absolute **sig_expiration) | ||
340 | { | ||
341 | struct OwnAddressList *al; | ||
342 | |||
343 | for (al = oal_head; al != NULL; al = al->next) | ||
344 | if ( (plugin_address_len == al->addrlen) && | ||
345 | (0 == strcmp (al->plugin_name, plugin_name)) && | ||
346 | (0 == memcmp (plugin_address, &al[1], plugin_address_len)) ) | ||
347 | { | ||
348 | *sig = &al->pong_signature; | ||
349 | *sig_expiration = &al->pong_sig_expires; | ||
350 | return GNUNET_YES; | ||
351 | } | ||
352 | *sig = NULL; | ||
353 | *sig_expiration = NULL; | ||
354 | return GNUNET_NO; | ||
355 | } | ||
356 | |||
357 | |||
358 | /* end of file gnunet-service-transport_hello.c */ | ||
diff --git a/src/transport/gnunet-service-transport_hello.h b/src/transport/gnunet-service-transport_hello.h index 75fef07ae..d34162841 100644 --- a/src/transport/gnunet-service-transport_hello.h +++ b/src/transport/gnunet-service-transport_hello.h | |||
@@ -32,25 +32,49 @@ | |||
32 | 32 | ||
33 | 33 | ||
34 | /** | 34 | /** |
35 | * Signature of a function to call whenever our hello changes. | ||
35 | * | 36 | * |
37 | * @param cls closure | ||
38 | * @param hello updated HELLO | ||
36 | */ | 39 | */ |
37 | void | 40 | typedef void (*GST_HelloCallback)(void *cls, |
38 | GST_hello_start (void); | 41 | const struct GNUNET_MessageHeader *hello); |
42 | |||
39 | 43 | ||
40 | /** | 44 | /** |
45 | * Initialize the HELLO module. | ||
41 | * | 46 | * |
47 | * @param cb function to call whenever our HELLO changes | ||
48 | * @param cb_cls closure for cb | ||
49 | */ | ||
50 | void | ||
51 | GST_hello_start (GST_HelloCallback cb, | ||
52 | void *cb_cls); | ||
53 | |||
54 | |||
55 | /** | ||
56 | * Shutdown the HELLO module. | ||
42 | */ | 57 | */ |
43 | void | 58 | void |
44 | GST_hello_stop (void); | 59 | GST_hello_stop (void); |
45 | 60 | ||
61 | |||
46 | /** | 62 | /** |
63 | * Obtain this peers HELLO message. | ||
47 | * | 64 | * |
65 | * @return our HELLO message | ||
48 | */ | 66 | */ |
49 | const struct GNUNET_MessageHeader * | 67 | const struct GNUNET_MessageHeader * |
50 | GST_hello_get (void); | 68 | GST_hello_get (void); |
51 | 69 | ||
70 | |||
52 | /** | 71 | /** |
72 | * Add or remove an address from this peer's HELLO message. | ||
53 | * | 73 | * |
74 | * @param addremove GNUNET_YES to add, GNUNET_NO to remove | ||
75 | * @param plugin_name name of the plugin for which this is an address | ||
76 | * @param plugin_address address in a plugin-specific format | ||
77 | * @param plugin_address_len number of bytes in plugin_address | ||
54 | */ | 78 | */ |
55 | void | 79 | void |
56 | GST_hello_modify_addresses (int addremove, | 80 | GST_hello_modify_addresses (int addremove, |
@@ -58,13 +82,25 @@ GST_hello_modify_addresses (int addremove, | |||
58 | const void *plugin_address, | 82 | const void *plugin_address, |
59 | size_t plugin_address_len); | 83 | size_t plugin_address_len); |
60 | 84 | ||
85 | |||
61 | /** | 86 | /** |
87 | * Test if a particular address is one of ours. | ||
62 | * | 88 | * |
89 | * @param plugin_name name of the plugin for which this is an address | ||
90 | * @param plugin_address address in a plugin-specific format | ||
91 | * @param plugin_address_len number of bytes in plugin_address | ||
92 | * @param sig location where to cache PONG signatures for this address [set] | ||
93 | * @param sig_expiration how long until the current 'sig' expires? | ||
94 | * (ZERO if sig was never created) [set] | ||
95 | * @return GNUNET_YES if this is one of our addresses, | ||
96 | * GNUNET_NO if not | ||
63 | */ | 97 | */ |
64 | int | 98 | int |
65 | GST_hello_test_address (const char *plugin_name, | 99 | GST_hello_test_address (const char *plugin_name, |
66 | const void *plugin_address, | 100 | const void *plugin_address, |
67 | size_t plugin_address_len); | 101 | size_t plugin_address_len, |
102 | struct GNUNET_CRYPTO_RsaSignature **sig, | ||
103 | struct GNUNET_TIME_Absolute **sig_expiration); | ||
68 | 104 | ||
69 | 105 | ||
70 | #endif | 106 | #endif |
diff --git a/src/transport/gnunet-service-transport_plugins.c b/src/transport/gnunet-service-transport_plugins.c new file mode 100644 index 000000000..0db7120fd --- /dev/null +++ b/src/transport/gnunet-service-transport_plugins.c | |||
@@ -0,0 +1,94 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2010,2011 Christian Grothoff (and other contributing authors) | ||
4 | |||
5 | GNUnet is free software; you can redistribute it and/or modify | ||
6 | it under the terms of the GNU General Public License as published | ||
7 | by the Free Software Foundation; either version 3, or (at your | ||
8 | option) any later version. | ||
9 | |||
10 | GNUnet is distributed in the hope that it will be useful, but | ||
11 | WITHOUT ANY WARRANTY; without even the implied warranty of | ||
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
13 | General Public License for more details. | ||
14 | |||
15 | You should have received a copy of the GNU General Public License | ||
16 | along with GNUnet; see the file COPYING. If not, write to the | ||
17 | Free Software Foundation, Inc., 59 Temple Place - Suite 330, | ||
18 | Boston, MA 02111-1307, USA. | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file transport/gnunet-service-transport_plugins.c | ||
23 | * @brief plugin management | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet-service-transport_plugins.h" | ||
28 | |||
29 | |||
30 | /** | ||
31 | * Load and initialize all plugins. The respective functions will be | ||
32 | * invoked by the plugins when the respective events happen. The | ||
33 | * closure will be set to a 'const char*' containing the name of the | ||
34 | * plugin that caused the call. | ||
35 | * | ||
36 | * @param recv_cb function to call when data is received | ||
37 | * @param address_cb function to call when our public addresses changed | ||
38 | * @param traffic_cb function to call for flow control | ||
39 | * @param session_end_cb function to call when a session was terminated | ||
40 | * @param cost_cb function to call about ATS cost changes | ||
41 | * @return GNUNET_OK on success | ||
42 | */ | ||
43 | int | ||
44 | GST_plugins_load (GNUNET_TRANSPORT_PluginReceiveCallback recv_cb, | ||
45 | GNUNET_TRANSPORT_AddressNotification address_cb, | ||
46 | GNUNET_TRANSPORT_TrafficReport traffic_cb, | ||
47 | GNUNET_TRANSPORT_SessionEnd session_end_cb, | ||
48 | GNUNET_TRANSPORT_CostReport cost_cb) | ||
49 | { | ||
50 | return GNUNET_SYSERR; | ||
51 | } | ||
52 | |||
53 | |||
54 | /** | ||
55 | * Unload all plugins | ||
56 | */ | ||
57 | void | ||
58 | GST_plugins_unload () | ||
59 | { | ||
60 | } | ||
61 | |||
62 | |||
63 | /** | ||
64 | * Obtain the plugin API based on a plugin name. | ||
65 | * | ||
66 | * @param name name of the plugin | ||
67 | * @return the plugin's API, NULL if the plugin is not loaded | ||
68 | */ | ||
69 | struct GNUNET_TRANSPORT_PluginFunctions * | ||
70 | GST_plugins_find (const char *name) | ||
71 | { | ||
72 | return NULL; | ||
73 | } | ||
74 | |||
75 | |||
76 | /** | ||
77 | * Convert a given address to a human-readable format. Note that the | ||
78 | * return value will be overwritten on the next call to this function. | ||
79 | * | ||
80 | * @param name plugin name | ||
81 | * @param addr binary address in plugin-specific format | ||
82 | * @param addrlen number of bytes in 'addr' | ||
83 | * @return statically allocated (!) human-readable address | ||
84 | */ | ||
85 | const char * | ||
86 | GST_plugins_a2s (const char *name, | ||
87 | const void *addr, | ||
88 | size_t addrlen) | ||
89 | { | ||
90 | return "FIXME"; | ||
91 | } | ||
92 | |||
93 | |||
94 | /* end of file gnunet-service-transport_plugins.c */ | ||
diff --git a/src/transport/gnunet-service-transport_plugins.h b/src/transport/gnunet-service-transport_plugins.h index 0d62bbf79..3ad09b7f6 100644 --- a/src/transport/gnunet-service-transport_plugins.h +++ b/src/transport/gnunet-service-transport_plugins.h | |||
@@ -33,7 +33,17 @@ | |||
33 | 33 | ||
34 | 34 | ||
35 | /** | 35 | /** |
36 | * Load and initialize all plugins. The respective functions will be | ||
37 | * invoked by the plugins when the respective events happen. The | ||
38 | * closure will be set to a 'const char*' containing the name of the | ||
39 | * plugin that caused the call. | ||
36 | * | 40 | * |
41 | * @param recv_cb function to call when data is received | ||
42 | * @param address_cb function to call when our public addresses changed | ||
43 | * @param traffic_cb function to call for flow control | ||
44 | * @param session_end_cb function to call when a session was terminated | ||
45 | * @param cost_cb function to call about ATS cost changes | ||
46 | * @return GNUNET_OK on success | ||
37 | */ | 47 | */ |
38 | int | 48 | int |
39 | GST_plugins_load (GNUNET_TRANSPORT_PluginReceiveCallback recv_cb, | 49 | GST_plugins_load (GNUNET_TRANSPORT_PluginReceiveCallback recv_cb, |
@@ -44,19 +54,36 @@ GST_plugins_load (GNUNET_TRANSPORT_PluginReceiveCallback recv_cb, | |||
44 | 54 | ||
45 | 55 | ||
46 | /** | 56 | /** |
47 | * | 57 | * Unload all plugins |
48 | */ | 58 | */ |
49 | int | 59 | void |
50 | GST_plugins_unload (void); | 60 | GST_plugins_unload (void); |
51 | 61 | ||
52 | 62 | ||
53 | /** | 63 | /** |
64 | * Obtain the plugin API based on a plugin name. | ||
54 | * | 65 | * |
66 | * @param name name of the plugin | ||
67 | * @return the plugin's API, NULL if the plugin is not loaded | ||
55 | */ | 68 | */ |
56 | struct GNUNET_TRANSPORT_PluginFunctions * | 69 | struct GNUNET_TRANSPORT_PluginFunctions * |
57 | GST_plugins_find (const char *name); | 70 | GST_plugins_find (const char *name); |
58 | 71 | ||
59 | 72 | ||
73 | /** | ||
74 | * Convert a given address to a human-readable format. Note that the | ||
75 | * return value will be overwritten on the next call to this function. | ||
76 | * | ||
77 | * @param name plugin name | ||
78 | * @param addr binary address in plugin-specific format | ||
79 | * @param addrlen number of bytes in 'addr' | ||
80 | * @return statically allocated (!) human-readable address | ||
81 | */ | ||
82 | const char * | ||
83 | GST_plugins_a2s (const char *name, | ||
84 | const void *addr, | ||
85 | size_t addrlen); | ||
86 | |||
60 | 87 | ||
61 | #endif | 88 | #endif |
62 | /* end of file gnunet-service-transport_plugins.h */ | 89 | /* end of file gnunet-service-transport_plugins.h */ |