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authorChristian Grothoff <christian@grothoff.org>2012-07-14 19:52:00 +0000
committerChristian Grothoff <christian@grothoff.org>2012-07-14 19:52:00 +0000
commite87b5a8590c31cf93b5a9ff10ad74e20eea4c12f (patch)
tree18b568fdb68db45ba6c95b4fb8e6bfc71b12d6e1 /src/util/gnunet-config.c
parenta7ff4f3120966784c424786603d6292c0eca4a15 (diff)
downloadgnunet-e87b5a8590c31cf93b5a9ff10ad74e20eea4c12f.tar.gz
gnunet-e87b5a8590c31cf93b5a9ff10ad74e20eea4c12f.zip
-adding gnunet-config tool
Diffstat (limited to 'src/util/gnunet-config.c')
-rw-r--r--src/util/gnunet-config.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/util/gnunet-config.c b/src/util/gnunet-config.c
new file mode 100644
index 000000000..5c8a715de
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+++ b/src/util/gnunet-config.c
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1/*
2 This file is part of GNUnet.
3 (C) 2012 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 util/gnunet-config.c
23 * @brief tool to access and manipulate GNUnet configuration files
24 * @author Christian Grothoff
25 */
26#include "platform.h"
27#include "gnunet_util_lib.h"
28
29
30/**
31 * Name of the section
32 */
33static char *section;
34
35/**
36 * Name of the option
37 */
38static char *option;
39
40/**
41 * Value to set
42 */
43static char *value;
44
45/**
46 * Treat option as a filename.
47 */
48static int is_filename;
49
50/**
51 * Return value from 'main'.
52 */
53static int ret;
54
55
56/**
57 * Print each option in a given section.
58 *
59 * @param cls closure
60 * @param section name of the section
61 * @param option name of the option
62 * @param value value of the option
63 */
64static void
65print_option (void *cls, const char *section,
66 const char *option,
67 const char *value)
68{
69 fprintf (stdout,
70 "%s = %s\n", option, value);
71}
72
73
74/**
75 * Main function that will be run by the scheduler.
76 *
77 * @param cls closure
78 * @param args remaining command-line arguments
79 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
80 * @param cfg configuration
81 */
82static void
83run (void *cls, char *const *args, const char *cfgfile,
84 const struct GNUNET_CONFIGURATION_Handle *cfg)
85{
86 struct GNUNET_CONFIGURATION_Handle *out;
87
88 if (NULL == section)
89 {
90 fprintf (stderr, _("--section argument is required\n"));
91 ret = 1;
92 return;
93 }
94
95 if (NULL == value)
96 {
97 if (NULL == option)
98 {
99 GNUNET_CONFIGURATION_iterate_section_values (cfg, section,
100 &print_option, NULL);
101 }
102 else
103 {
104 if (is_filename)
105 {
106 if (GNUNET_OK !=
107 GNUNET_CONFIGURATION_get_value_filename (cfg, section, option, &value))
108 {
109 fprintf (stderr, _("No value for option `%s' in section `%s'\n"),
110 option, section);
111 ret = 3;
112 return;
113 }
114 }
115 else
116 {
117 if (GNUNET_OK !=
118 GNUNET_CONFIGURATION_get_value_string (cfg, section, option, &value))
119 {
120 fprintf (stderr, _("No value for option `%s' in section `%s'\n"),
121 option, section);
122 ret = 3;
123 return;
124 }
125 }
126 fprintf (stdout, "%s\n", value);
127 }
128 }
129 else
130 {
131 if (NULL == option)
132 {
133 fprintf (stderr, _("--option argument required to set value\n"));
134 ret = 1;
135 return;
136 }
137 out = GNUNET_CONFIGURATION_dup (cfg);
138 GNUNET_CONFIGURATION_set_value_string (out, section, option, value);
139 if (GNUNET_OK !=
140 GNUNET_CONFIGURATION_write (out, cfgfile))
141 ret = 2;
142 GNUNET_CONFIGURATION_destroy (out);
143 return;
144 }
145}
146
147
148/**
149 * The main function to obtain statistics in GNUnet.
150 *
151 * @param argc number of arguments from the command line
152 * @param argv command line arguments
153 * @return 0 ok, 1 on error
154 */
155int
156main (int argc, char *const *argv)
157{
158 static const struct GNUNET_GETOPT_CommandLineOption options[] = {
159 { 'f', "filename", NULL,
160 gettext_noop ("obtain option of value as a filename (with $-expansion)"),
161 0, &GNUNET_GETOPT_set_one, &is_filename },
162 { 's', "section", "SECTION",
163 gettext_noop ("name of the section to access"),
164 1, &GNUNET_GETOPT_set_string, &section },
165 { 'o', "option", "OPTION",
166 gettext_noop ("name of the option to access"),
167 1, &GNUNET_GETOPT_set_string, &option },
168 { 'V', "value", "VALUE",
169 gettext_noop ("value to set"),
170 1, &GNUNET_GETOPT_set_string, &value },
171 GNUNET_GETOPT_OPTION_END
172 };
173
174 if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
175 return 2;
176
177 return (GNUNET_OK ==
178 GNUNET_PROGRAM_run (argc, argv, "gnunet-config [OPTIONS]",
179 gettext_noop ("Manipulate GNUnet configuration files"),
180 options, &run, NULL)) ? 0 : ret;
181}
182
183/* end of gnunet-config.c */