2 This file is part of GNUnet.
3 Copyright (C) 2009-2013 GNUnet e.V.
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.
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 PURPROSE. See the GNU
13 General Public License for more details.
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., 51 Franklin Street, Fifth Floor,
18 Boston, MA 02110-1301, USA.
22 * @file util/program.c
23 * @brief standard code for GNUnet startup and shutdown
24 * @author Christian Grothoff
28 #include "gnunet_util_lib.h"
29 #include "gnunet_resolver_service.h"
30 #include "gnunet_constants.h"
34 #define LOG(kind,...) GNUNET_log_from (kind, "util-program", __VA_ARGS__)
36 #define LOG_STRERROR_FILE(kind,syscall,filename) GNUNET_log_from_strerror_file (kind, "util-program", syscall, filename)
39 * Context for the command.
49 * Name of the configuration file used, can be NULL!
54 * Main function to run.
56 GNUNET_PROGRAM_Main task;
59 * Closure for @e task.
64 * Configuration to use.
66 const struct GNUNET_CONFIGURATION_Handle *cfg;
72 * Initial task called by the scheduler for each
73 * program. Runs the program-specific main task.
76 program_main (void *cls)
78 struct CommandContext *cc = cls;
80 GNUNET_SPEEDUP_start_(cc->cfg);
81 GNUNET_RESOLVER_connect (cc->cfg);
82 cc->task (cc->task_cls, cc->args, cc->cfgfile, cc->cfg);
87 * Compare function for 'qsort' to sort command-line arguments by the
90 * @param a1 first command line option
91 * @param a2 second command line option
94 cmd_sorter (const void *a1, const void *a2)
96 const struct GNUNET_GETOPT_CommandLineOption *c1 = a1;
97 const struct GNUNET_GETOPT_CommandLineOption *c2 = a2;
99 if (toupper ((unsigned char) c1->shortName) >
100 toupper ((unsigned char) c2->shortName))
102 if (toupper ((unsigned char) c1->shortName) <
103 toupper ((unsigned char) c2->shortName))
105 if (c1->shortName > c2->shortName)
107 if (c1->shortName < c2->shortName)
114 * Run a standard GNUnet command startup sequence (initialize loggers
115 * and configuration, parse options).
117 * @param argc number of command line arguments in @a argv
118 * @param argv command line arguments
119 * @param binaryName our expected name
120 * @param binaryHelp help text for the program
121 * @param options command line options
122 * @param task main function to run
123 * @param task_cls closure for @a task
124 * @param run_without_scheduler #GNUNET_NO start the scheduler, #GNUNET_YES do not
125 * start the scheduler just run the main task
126 * @return #GNUNET_SYSERR on error, #GNUNET_OK on success
129 GNUNET_PROGRAM_run2 (int argc, char *const *argv, const char *binaryName,
130 const char *binaryHelp,
131 const struct GNUNET_GETOPT_CommandLineOption *options,
132 GNUNET_PROGRAM_Main task, void *task_cls,
133 int run_without_scheduler)
135 struct CommandContext cc;
145 unsigned long long skew_offset;
146 unsigned long long skew_variance;
147 long long clock_offset;
148 struct GNUNET_CONFIGURATION_Handle *cfg;
150 struct GNUNET_GETOPT_CommandLineOption defoptions[] = {
151 GNUNET_GETOPT_OPTION_CFG_FILE (&cc.cfgfile),
152 GNUNET_GETOPT_OPTION_HELP (binaryHelp),
153 GNUNET_GETOPT_OPTION_LOGLEVEL (&loglev),
154 GNUNET_GETOPT_OPTION_LOGFILE (&logfile),
155 GNUNET_GETOPT_OPTION_VERSION (PACKAGE_VERSION " " VCS_VERSION)
157 struct GNUNET_GETOPT_CommandLineOption *allopts;
163 gargs = getenv ("GNUNET_ARGS");
174 for (i = 0; i < argc; i++)
175 GNUNET_array_append (gargv, gargc, GNUNET_strdup (argv[i]));
176 cargs = GNUNET_strdup (gargs);
177 for (tok = strtok (cargs, " "); NULL != tok; tok = strtok (NULL, " "))
178 GNUNET_array_append (gargv, gargc, GNUNET_strdup (tok));
180 GNUNET_array_append (gargv, gargc, NULL);
181 argv = (char *const *) gargv;
184 memset (&cc, 0, sizeof (cc));
187 cc.task_cls = task_cls;
188 cc.cfg = cfg = GNUNET_CONFIGURATION_create ();
191 setlocale (LC_ALL, "");
192 path = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_LOCALEDIR);
195 BINDTEXTDOMAIN ("GNUnet", path);
198 textdomain ("GNUnet");
201 while (NULL != options[cnt].name)
204 GNUNET_malloc ((cnt +
205 1) * sizeof (struct GNUNET_GETOPT_CommandLineOption) +
206 sizeof (defoptions));
207 GNUNET_memcpy (allopts, defoptions, sizeof (defoptions));
208 GNUNET_memcpy (&allopts
209 [sizeof (defoptions) /
210 sizeof (struct GNUNET_GETOPT_CommandLineOption)], options,
211 (cnt + 1) * sizeof (struct GNUNET_GETOPT_CommandLineOption));
212 cnt += sizeof (defoptions) / sizeof (struct GNUNET_GETOPT_CommandLineOption);
213 qsort (allopts, cnt, sizeof (struct GNUNET_GETOPT_CommandLineOption),
216 xdg = getenv ("XDG_CONFIG_HOME");
218 GNUNET_asprintf (&cfg_fn,
222 GNUNET_OS_project_data_get ()->config_file);
224 cfg_fn = GNUNET_strdup (GNUNET_OS_project_data_get ()->user_config_file);
225 lpfx = GNUNET_strdup (binaryName);
226 if (NULL != (spc = strstr (lpfx, " ")))
228 ret = GNUNET_GETOPT_run (binaryName, allopts, (unsigned int) argc, argv);
229 if ((GNUNET_OK > ret) ||
230 (GNUNET_OK != GNUNET_log_setup (lpfx, loglev, logfile)))
232 GNUNET_free (allopts);
236 if (NULL == cc.cfgfile)
237 cc.cfgfile = GNUNET_strdup (cfg_fn);
239 GNUNET_DISK_file_test (cc.cfgfile))
241 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_load (cfg, cc.cfgfile))
243 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
244 _("Malformed configuration file `%s', exit ...\n"),
247 GNUNET_free (allopts);
254 if (0 != strcmp (cc.cfgfile, cfg_fn))
255 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
256 _("Could not access configuration file `%s'\n"),
258 if (GNUNET_SYSERR == GNUNET_CONFIGURATION_load (cfg, NULL))
260 GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
261 _("Malformed configuration, exit ...\n"));
263 GNUNET_free (allopts);
268 GNUNET_free (allopts);
271 GNUNET_CONFIGURATION_get_value_number (cc.cfg, "testing", "skew_offset",
274 GNUNET_CONFIGURATION_get_value_number (cc.cfg, "testing",
275 "skew_variance", &skew_variance)))
277 clock_offset = skew_offset - skew_variance;
278 GNUNET_TIME_set_offset (clock_offset);
280 /* ARM needs to know which configuration file to use when starting
281 services. If we got a command-line option *and* if nothing is
282 specified in the configuration, remember the command-line option
283 in "cfg". This is typically really only having an effect if we
284 are running code in src/arm/, as obviously the rest of the code
285 has little business with ARM-specific options. */
287 GNUNET_CONFIGURATION_have_value (cfg,
291 GNUNET_CONFIGURATION_set_value_string (cfg,
297 cc.args = &argv[ret];
298 if (GNUNET_NO == run_without_scheduler)
300 GNUNET_SCHEDULER_run (&program_main, &cc);
304 GNUNET_RESOLVER_connect (cc.cfg);
305 cc.task (cc.task_cls, cc.args, cc.cfgfile, cc.cfg);
309 GNUNET_SPEEDUP_stop_ ();
310 GNUNET_CONFIGURATION_destroy (cfg);
311 GNUNET_free_non_null (cc.cfgfile);
312 GNUNET_free (cfg_fn);
313 GNUNET_free_non_null (loglev);
314 GNUNET_free_non_null (logfile);
319 * Run a standard GNUnet command startup sequence (initialize loggers
320 * and configuration, parse options).
322 * @param argc number of command line arguments
323 * @param argv command line arguments
324 * @param binaryName our expected name
325 * @param binaryHelp help text for the program
326 * @param options command line options
327 * @param task main function to run
328 * @param task_cls closure for @a task
329 * @return #GNUNET_SYSERR on error, #GNUNET_OK on success
332 GNUNET_PROGRAM_run (int argc, char *const *argv,
333 const char *binaryName,
334 const char *binaryHelp,
335 const struct GNUNET_GETOPT_CommandLineOption *options,
336 GNUNET_PROGRAM_Main task,
339 return GNUNET_PROGRAM_run2 (argc, argv,
340 binaryName, binaryHelp,
347 /* end of program.c */