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author | Christian Grothoff <christian@grothoff.org> | 2012-07-14 19:52:00 +0000 |
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committer | Christian Grothoff <christian@grothoff.org> | 2012-07-14 19:52:00 +0000 |
commit | e87b5a8590c31cf93b5a9ff10ad74e20eea4c12f (patch) | |
tree | 18b568fdb68db45ba6c95b4fb8e6bfc71b12d6e1 /src/util/gnunet-config.c | |
parent | a7ff4f3120966784c424786603d6292c0eca4a15 (diff) | |
download | gnunet-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.c | 183 |
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 --- /dev/null +++ b/src/util/gnunet-config.c | |||
@@ -0,0 +1,183 @@ | |||
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 | */ | ||
33 | static char *section; | ||
34 | |||
35 | /** | ||
36 | * Name of the option | ||
37 | */ | ||
38 | static char *option; | ||
39 | |||
40 | /** | ||
41 | * Value to set | ||
42 | */ | ||
43 | static char *value; | ||
44 | |||
45 | /** | ||
46 | * Treat option as a filename. | ||
47 | */ | ||
48 | static int is_filename; | ||
49 | |||
50 | /** | ||
51 | * Return value from 'main'. | ||
52 | */ | ||
53 | static 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 | */ | ||
64 | static void | ||
65 | print_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 | */ | ||
82 | static void | ||
83 | run (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 | */ | ||
155 | int | ||
156 | main (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, §ion }, | ||
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 */ | ||