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author | Nathan S. Evans <evans@in.tum.de> | 2011-07-08 16:47:31 +0000 |
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committer | Nathan S. Evans <evans@in.tum.de> | 2011-07-08 16:47:31 +0000 |
commit | 7ba0869d2a5c3d72dd4ad654c1ec3e4269c0e3e6 (patch) | |
tree | e56cc3c2fe62eddf26acf988201ed5a9e7041e04 /src/peerinfo-tool | |
parent | 51204303f98feef6d3f100ac0a344294a091fbe5 (diff) | |
download | gnunet-7ba0869d2a5c3d72dd4ad654c1ec3e4269c0e3e6.tar.gz gnunet-7ba0869d2a5c3d72dd4ad654c1ec3e4269c0e3e6.zip |
list connections binary source
Diffstat (limited to 'src/peerinfo-tool')
-rw-r--r-- | src/peerinfo-tool/gnunet-list-connections.c | 195 |
1 files changed, 195 insertions, 0 deletions
diff --git a/src/peerinfo-tool/gnunet-list-connections.c b/src/peerinfo-tool/gnunet-list-connections.c new file mode 100644 index 000000000..d95b0a757 --- /dev/null +++ b/src/peerinfo-tool/gnunet-list-connections.c | |||
@@ -0,0 +1,195 @@ | |||
1 | /* | ||
2 | This file is part of GNUnet. | ||
3 | (C) 2001, 2002, 2003, 2004, 2006, 2009, 2010 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 peerinfo-tool/gnunet-list-connections.c | ||
23 | * @brief Print information about other known _connected_ peers. | ||
24 | * @author Christian Grothoff | ||
25 | */ | ||
26 | #include "platform.h" | ||
27 | #include "gnunet_crypto_lib.h" | ||
28 | #include "gnunet_configuration_lib.h" | ||
29 | #include "gnunet_getopt_lib.h" | ||
30 | #include "gnunet_peerinfo_service.h" | ||
31 | #include "gnunet_transport_service.h" | ||
32 | #include "gnunet_core_service.h" | ||
33 | #include "gnunet_program_lib.h" | ||
34 | |||
35 | static int no_resolve; | ||
36 | |||
37 | |||
38 | static const struct GNUNET_CONFIGURATION_Handle *cfg; | ||
39 | |||
40 | struct AddressStringList | ||
41 | { | ||
42 | /** | ||
43 | * Pointer to previous element. | ||
44 | */ | ||
45 | struct AddressStringList *prev; | ||
46 | |||
47 | /** | ||
48 | * Pointer to next element. | ||
49 | */ | ||
50 | struct AddressStringList *next; | ||
51 | |||
52 | /** | ||
53 | * Address as string. | ||
54 | */ | ||
55 | char *address_string; | ||
56 | }; | ||
57 | |||
58 | struct PrintContext | ||
59 | { | ||
60 | struct GNUNET_PeerIdentity peer; | ||
61 | struct AddressStringList *address_list_head; | ||
62 | struct AddressStringList *address_list_tail; | ||
63 | }; | ||
64 | |||
65 | |||
66 | static void | ||
67 | dump_pc (struct PrintContext *pc) | ||
68 | { | ||
69 | struct GNUNET_CRYPTO_HashAsciiEncoded enc; | ||
70 | struct AddressStringList *address; | ||
71 | |||
72 | GNUNET_CRYPTO_hash_to_enc (&pc->peer.hashPubKey, &enc); | ||
73 | printf (_("Peer `%s'\n"), | ||
74 | (const char *) &enc); | ||
75 | while (NULL != (address = pc->address_list_head)) | ||
76 | { | ||
77 | printf ("\t%s\n", address->address_string); | ||
78 | GNUNET_free(address->address_string); | ||
79 | GNUNET_CONTAINER_DLL_remove(pc->address_list_head, pc->address_list_tail, address); | ||
80 | GNUNET_free(address); | ||
81 | } | ||
82 | |||
83 | printf ("\n"); | ||
84 | |||
85 | GNUNET_free (pc); | ||
86 | } | ||
87 | |||
88 | |||
89 | /** | ||
90 | * Function to call with a human-readable format of an address | ||
91 | * | ||
92 | * @param cls closure | ||
93 | * @param address NULL on error, otherwise 0-terminated printable UTF-8 string | ||
94 | */ | ||
95 | static void | ||
96 | process_resolved_address (void *cls, | ||
97 | const char *address) | ||
98 | { | ||
99 | struct PrintContext *pc = cls; | ||
100 | struct AddressStringList *new_address; | ||
101 | |||
102 | if (address == NULL) | ||
103 | { | ||
104 | dump_pc (pc); | ||
105 | return; | ||
106 | } | ||
107 | |||
108 | new_address = GNUNET_malloc(sizeof(struct AddressStringList)); | ||
109 | #if VERBOSE | ||
110 | fprintf(stderr, "Received address %s\n", address); | ||
111 | #endif | ||
112 | new_address->address_string = GNUNET_strdup(address); | ||
113 | GNUNET_CONTAINER_DLL_insert(pc->address_list_head, pc->address_list_tail, new_address); | ||
114 | } | ||
115 | |||
116 | |||
117 | /** | ||
118 | * Callback for retrieving a list of connected peers. | ||
119 | */ | ||
120 | static void | ||
121 | connected_peer_callback (void *cls, const struct GNUNET_PeerIdentity *peer, | ||
122 | const struct GNUNET_TRANSPORT_ATS_Information *atsi) | ||
123 | { | ||
124 | struct PrintContext *pc; | ||
125 | |||
126 | if (peer != NULL) /* Not yet finished */ | ||
127 | { | ||
128 | #if VERBOSE | ||
129 | fprintf(stderr, "Learned about peer %s\n", GNUNET_i2s(peer)); | ||
130 | #endif | ||
131 | pc = GNUNET_malloc (sizeof (struct PrintContext)); | ||
132 | pc->peer = *peer; | ||
133 | GNUNET_TRANSPORT_peer_address_lookup (cfg, peer, | ||
134 | GNUNET_TIME_UNIT_MINUTES, | ||
135 | &process_resolved_address, pc); | ||
136 | } | ||
137 | } | ||
138 | |||
139 | |||
140 | /** | ||
141 | * Main function that will be run by the scheduler. | ||
142 | * | ||
143 | * @param cls closure | ||
144 | * @param args remaining command-line arguments | ||
145 | * @param cfgfile name of the configuration file used (for saving, can be NULL!) | ||
146 | * @param c configuration | ||
147 | */ | ||
148 | static void | ||
149 | run (void *cls, | ||
150 | char *const *args, | ||
151 | const char *cfgfile, | ||
152 | const struct GNUNET_CONFIGURATION_Handle *c) | ||
153 | { | ||
154 | |||
155 | cfg = c; | ||
156 | if (args[0] != NULL) | ||
157 | { | ||
158 | fprintf (stderr, | ||
159 | _("Invalid command line argument `%s'\n"), | ||
160 | args[0]); | ||
161 | return; | ||
162 | } | ||
163 | |||
164 | GNUNET_CORE_iterate_peers (cfg, | ||
165 | &connected_peer_callback, | ||
166 | NULL); | ||
167 | |||
168 | } | ||
169 | |||
170 | |||
171 | /** | ||
172 | * The main function to obtain peer information. | ||
173 | * | ||
174 | * @param argc number of arguments from the command line | ||
175 | * @param argv command line arguments | ||
176 | * @return 0 ok, 1 on error | ||
177 | */ | ||
178 | int | ||
179 | main (int argc, char *const *argv) | ||
180 | { | ||
181 | static const struct GNUNET_GETOPT_CommandLineOption options[] = { | ||
182 | {'n', "numeric", NULL, | ||
183 | gettext_noop ("don't resolve host names"), | ||
184 | 0, &GNUNET_GETOPT_set_one, &no_resolve}, | ||
185 | GNUNET_GETOPT_OPTION_END | ||
186 | }; | ||
187 | return (GNUNET_OK == | ||
188 | GNUNET_PROGRAM_run (argc, | ||
189 | argv, | ||
190 | "gnunet-list-connections", | ||
191 | gettext_noop ("Print information about connected peers."), | ||
192 | options, &run, NULL)) ? 0 : 1; | ||
193 | } | ||
194 | |||
195 | /* end of gnunet-peerinfo.c */ | ||