diff options
author | Arthur Dewarumez <arthur.dewarumez@etudiant.univ-lille1.fr> | 2015-04-27 11:12:21 +0000 |
---|---|---|
committer | Arthur Dewarumez <arthur.dewarumez@etudiant.univ-lille1.fr> | 2015-04-27 11:12:21 +0000 |
commit | 0bff5a1b397f3f2c4f18a92b0828b2d6ab9bf74f (patch) | |
tree | 97bf32ecba33c3189c7974823cdb275b48ebd26b /src/dht/gnunet-service-wdht.c | |
parent | fe384d97cdfcb47c10a05f56f983f24619115a19 (diff) | |
download | gnunet-0bff5a1b397f3f2c4f18a92b0828b2d6ab9bf74f.tar.gz gnunet-0bff5a1b397f3f2c4f18a92b0828b2d6ab9bf74f.zip |
Adding files for whanau.
Diffstat (limited to 'src/dht/gnunet-service-wdht.c')
-rw-r--r-- | src/dht/gnunet-service-wdht.c | 220 |
1 files changed, 220 insertions, 0 deletions
diff --git a/src/dht/gnunet-service-wdht.c b/src/dht/gnunet-service-wdht.c new file mode 100644 index 000000000..13e60acf4 --- /dev/null +++ b/src/dht/gnunet-service-wdht.c | |||
@@ -0,0 +1,220 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | Copyright (C) 2009, 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 dht/gnunet-service-xdht.c | ||
23 | * @brief GNUnet DHT service | ||
24 | * @author Christian Grothoff | ||
25 | * @author Nathan Evans | ||
26 | */ | ||
27 | |||
28 | #include "platform.h" | ||
29 | #include "gnunet_block_lib.h" | ||
30 | #include "gnunet_util_lib.h" | ||
31 | #include "gnunet_transport_service.h" | ||
32 | #include "gnunet_hello_lib.h" | ||
33 | #include "gnunet_dht_service.h" | ||
34 | #include "gnunet_statistics_service.h" | ||
35 | #include "gnunet-service-wdht.h" | ||
36 | #include "gnunet-service-wdht_clients.h" | ||
37 | #include "gnunet-service-wdht_datacache.h" | ||
38 | #include "gnunet-service-wdht_hello.h" | ||
39 | #include "gnunet-service-wdht_neighbours.h" | ||
40 | #include "gnunet-service-wdht_nse.h" | ||
41 | #include "gnunet-service-wdht_routing.h" | ||
42 | |||
43 | |||
44 | |||
45 | /** | ||
46 | * Handle for the statistics service. | ||
47 | */ | ||
48 | struct GNUNET_STATISTICS_Handle *GDS_stats; | ||
49 | |||
50 | /** | ||
51 | * Our handle to the BLOCK library. | ||
52 | */ | ||
53 | struct GNUNET_BLOCK_Context *GDS_block_context; | ||
54 | |||
55 | /** | ||
56 | * The configuration the DHT service is running with | ||
57 | */ | ||
58 | const struct GNUNET_CONFIGURATION_Handle *GDS_cfg; | ||
59 | |||
60 | /** | ||
61 | * Our HELLO | ||
62 | */ | ||
63 | struct GNUNET_MessageHeader *GDS_my_hello; | ||
64 | |||
65 | /** | ||
66 | * Handle to the transport service, for getting our hello | ||
67 | */ | ||
68 | struct GNUNET_TRANSPORT_Handle *GDS_transport_handle; | ||
69 | |||
70 | /** | ||
71 | * Handle to get our current HELLO. | ||
72 | */ | ||
73 | static struct GNUNET_TRANSPORT_GetHelloHandle *ghh; | ||
74 | |||
75 | /** | ||
76 | * Hello address expiration | ||
77 | */ | ||
78 | struct GNUNET_TIME_Relative hello_expiration; | ||
79 | |||
80 | /** | ||
81 | * Should we store our topology predecessor and successor IDs into statistics? | ||
82 | */ | ||
83 | extern unsigned int track_topology; | ||
84 | |||
85 | #if ENABLE_MALICIOUS | ||
86 | /** | ||
87 | * Should this peer act malicious? | ||
88 | */ | ||
89 | unsigned int malicious; | ||
90 | #endif | ||
91 | |||
92 | |||
93 | /** | ||
94 | * Receive the HELLO from transport service, free current and replace | ||
95 | * if necessary. | ||
96 | * | ||
97 | * @param cls NULL | ||
98 | * @param message HELLO message of peer | ||
99 | */ | ||
100 | static void | ||
101 | process_hello (void *cls, const struct GNUNET_MessageHeader *message) | ||
102 | { | ||
103 | GNUNET_assert (message != NULL); | ||
104 | GNUNET_free_non_null (GDS_my_hello); | ||
105 | GDS_my_hello = GNUNET_malloc (ntohs (message->size)); | ||
106 | memcpy (GDS_my_hello, message, ntohs (message->size)); | ||
107 | } | ||
108 | |||
109 | |||
110 | /** | ||
111 | * Task run during shutdown. | ||
112 | * | ||
113 | * @param cls unused | ||
114 | * @param tc unused | ||
115 | */ | ||
116 | static void | ||
117 | shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc) | ||
118 | { | ||
119 | if (NULL != ghh) | ||
120 | { | ||
121 | GNUNET_TRANSPORT_get_hello_cancel (ghh); | ||
122 | ghh = NULL; | ||
123 | } | ||
124 | if (GDS_transport_handle != NULL) | ||
125 | { | ||
126 | GNUNET_TRANSPORT_disconnect (GDS_transport_handle); | ||
127 | GDS_transport_handle = NULL; | ||
128 | } | ||
129 | |||
130 | GDS_NEIGHBOURS_done (); | ||
131 | GDS_DATACACHE_done (); | ||
132 | GDS_ROUTING_done (); | ||
133 | GDS_HELLO_done (); | ||
134 | GDS_NSE_done (); | ||
135 | if (GDS_block_context != NULL) | ||
136 | { | ||
137 | GNUNET_BLOCK_context_destroy (GDS_block_context); | ||
138 | GDS_block_context = NULL; | ||
139 | } | ||
140 | if (GDS_stats != NULL) | ||
141 | { | ||
142 | GNUNET_STATISTICS_destroy (GDS_stats, GNUNET_YES); | ||
143 | GDS_stats = NULL; | ||
144 | } | ||
145 | GNUNET_free_non_null (GDS_my_hello); | ||
146 | GDS_my_hello = NULL; | ||
147 | } | ||
148 | |||
149 | |||
150 | /** | ||
151 | * Process dht requests. | ||
152 | * | ||
153 | * @param cls closure | ||
154 | * @param server the initialized server | ||
155 | * @param c configuration to use | ||
156 | */ | ||
157 | static void | ||
158 | run (void *cls, struct GNUNET_SERVER_Handle *server, | ||
159 | const struct GNUNET_CONFIGURATION_Handle *c) | ||
160 | { | ||
161 | unsigned long long _track_topology; | ||
162 | GDS_cfg = c; | ||
163 | if (GNUNET_OK != | ||
164 | GNUNET_CONFIGURATION_get_value_time (c, "transport", "HELLO_EXPIRATION", &hello_expiration)) | ||
165 | { | ||
166 | hello_expiration = GNUNET_CONSTANTS_HELLO_ADDRESS_EXPIRATION; | ||
167 | } | ||
168 | GDS_block_context = GNUNET_BLOCK_context_create (GDS_cfg); | ||
169 | GDS_stats = GNUNET_STATISTICS_create ("dht", GDS_cfg); | ||
170 | GDS_ROUTING_init (); | ||
171 | GDS_NSE_init (); | ||
172 | GDS_DATACACHE_init (); | ||
173 | GDS_HELLO_init (); | ||
174 | GDS_CLIENTS_init (server); | ||
175 | if (GNUNET_OK == | ||
176 | GNUNET_CONFIGURATION_get_value_number (c, "xdht", "track_toplogy", | ||
177 | &_track_topology)) | ||
178 | { | ||
179 | track_topology = (unsigned int) _track_topology; | ||
180 | } | ||
181 | if (GNUNET_OK != GDS_NEIGHBOURS_init ()) | ||
182 | { | ||
183 | shutdown_task (NULL, NULL); | ||
184 | return; | ||
185 | } | ||
186 | GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task, | ||
187 | NULL); | ||
188 | GDS_transport_handle = | ||
189 | GNUNET_TRANSPORT_connect (GDS_cfg, NULL, NULL, NULL, NULL, NULL); | ||
190 | if (GDS_transport_handle == NULL) | ||
191 | { | ||
192 | GNUNET_log (GNUNET_ERROR_TYPE_WARNING, | ||
193 | _("Failed to connect to transport service!\n")); | ||
194 | return; | ||
195 | } | ||
196 | ghh = GNUNET_TRANSPORT_get_hello (GDS_transport_handle, &process_hello, NULL); | ||
197 | } | ||
198 | |||
199 | |||
200 | /** | ||
201 | * The main function for the dht service. | ||
202 | * | ||
203 | * @param argc number of arguments from the command line | ||
204 | * @param argv command line arguments | ||
205 | * @return 0 ok, 1 on error | ||
206 | */ | ||
207 | int | ||
208 | main (int argc, char *const *argv) | ||
209 | { | ||
210 | int ret; | ||
211 | |||
212 | ret = | ||
213 | (GNUNET_OK == | ||
214 | GNUNET_SERVICE_run (argc, argv, "dht", GNUNET_SERVICE_OPTION_NONE, &run, | ||
215 | NULL)) ? 0 : 1; | ||
216 | GDS_CLIENTS_done (); | ||
217 | return ret; | ||
218 | } | ||
219 | |||
220 | /* end of gnunet-service-dht.c */ | ||