2 This file is part of GNUnet.
3 (C) 2009 Christian Grothoff (and other contributing authors)
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 2, 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 PURPOSE. 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., 59 Temple Place - Suite 330,
18 Boston, MA 02111-1307, USA.
22 * @file util/program.c
23 * @brief standard code for GNUnet startup and shutdown
24 * @author Christian Grothoff
28 #include "gnunet_common.h"
29 #include "gnunet_configuration_lib.h"
30 #include "gnunet_crypto_lib.h"
31 #include "gnunet_directories.h"
32 #include "gnunet_getopt_lib.h"
33 #include "gnunet_os_lib.h"
34 #include "gnunet_program_lib.h"
35 #include "gnunet_scheduler_lib.h"
41 #include "program_lib_argz.c"
45 * Context for the command.
55 * Name of the configuration file used, can be NULL!
60 * Main function to run.
62 GNUNET_PROGRAM_Main task;
70 * Configuration to use.
72 const struct GNUNET_CONFIGURATION_Handle *cfg;
78 * Initial task called by the scheduler for each
79 * program. Runs the program-specific main task.
82 program_main (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
84 struct CommandContext *cc = cls;
86 cc->task (cc->task_cls, tc->sched, cc->args, cc->cfgfile, cc->cfg);
91 * Compare function for 'qsort' to sort command-line arguments by the
94 * @param a1 first command line option
95 * @param a2 second command line option
98 cmd_sorter (__const void *a1, __const void *a2)
100 __const struct GNUNET_GETOPT_CommandLineOption *c1 = a1;
101 __const struct GNUNET_GETOPT_CommandLineOption *c2 = a2;
102 if (toupper (c1->shortName) > toupper (c2->shortName))
104 if (toupper (c1->shortName) < toupper (c2->shortName))
106 if (c1->shortName > c2->shortName)
108 if (c1->shortName < c2->shortName)
115 * Run a standard GNUnet command startup sequence (initialize loggers
116 * and configuration, parse options).
118 * @param argc number of command line arguments
119 * @param argv command line arguments
120 * @param binaryName our expected name
121 * @param binaryHelp help text for the program
122 * @param options command line options
123 * @param task main function to run
124 * @param task_cls closure for task
125 * @return GNUNET_SYSERR on error, GNUNET_OK on success
128 GNUNET_PROGRAM_run (int argc,
130 const char *binaryName,
131 const char *binaryHelp,
132 const struct GNUNET_GETOPT_CommandLineOption *options,
133 GNUNET_PROGRAM_Main task, void *task_cls)
135 struct CommandContext cc;
140 struct GNUNET_CONFIGURATION_Handle *cfg;
141 struct GNUNET_GETOPT_CommandLineOption defoptions[] = {
142 GNUNET_GETOPT_OPTION_CFG_FILE (&cc.cfgfile),
143 GNUNET_GETOPT_OPTION_HELP (binaryHelp),
144 GNUNET_GETOPT_OPTION_LOGLEVEL (&loglev),
145 GNUNET_GETOPT_OPTION_VERSION (PACKAGE_VERSION)
147 struct GNUNET_GETOPT_CommandLineOption *allopts;
150 gargs = getenv ("GNUNET_ARGS");
158 argz_create_sep (gargs, ' ', &gargz, &gargl);
160 argz_insert (&gargz, &gargl, gargz, argv[i]);
161 gargv = GNUNET_malloc (sizeof (char*) * (gargl+1));
162 argz_extract (gargz, gargl, gargv);
163 argc = argz_count (gargz, gargl);
165 argv = (char *const *) gargv;
167 memset (&cc, 0, sizeof (cc));
170 cc.task_cls = task_cls;
171 cc.cfg = cfg = GNUNET_CONFIGURATION_create ();
175 setlocale (LC_ALL, "");
176 path = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_LOCALEDIR);
179 BINDTEXTDOMAIN ("GNUnet", path);
182 textdomain ("GNUnet");
185 while (options[cnt].name != NULL)
188 GNUNET_malloc ((cnt +
189 1) * sizeof (struct GNUNET_GETOPT_CommandLineOption) +
190 sizeof (defoptions));
191 memcpy (allopts, defoptions, sizeof (defoptions));
193 [sizeof (defoptions) /
194 sizeof (struct GNUNET_GETOPT_CommandLineOption)], options,
195 (cnt + 1) * sizeof (struct GNUNET_GETOPT_CommandLineOption));
197 sizeof (defoptions) / sizeof (struct GNUNET_GETOPT_CommandLineOption);
198 qsort (allopts, cnt, sizeof (struct GNUNET_GETOPT_CommandLineOption),
200 loglev = GNUNET_strdup ("WARNING");
201 if ((-1 == (ret = GNUNET_GETOPT_run (binaryName,
203 (unsigned int) argc, argv))) ||
205 GNUNET_log_setup (binaryName,
208 (GNUNET_OK != GNUNET_CONFIGURATION_load (cfg, cc.cfgfile))))
211 GNUNET_free_non_null (cc.cfgfile);
212 GNUNET_free (loglev);
213 GNUNET_free (allopts);
214 return GNUNET_SYSERR;
216 GNUNET_free (allopts);
219 cc.args = &argv[ret];
220 GNUNET_SCHEDULER_run (&program_main, &cc);
223 GNUNET_CONFIGURATION_destroy (cfg);
224 GNUNET_free_non_null (cc.cfgfile);
225 GNUNET_free (loglev);
230 /* end of program.c */