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"
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;
64 * Configuration to use.
66 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, const struct GNUNET_SCHEDULER_TaskContext *tc)
78 struct CommandContext *cc = cls;
80 cc->task (cc->task_cls, tc->sched, cc->args, cc->cfgfile, cc->cfg);
85 * Compare function for 'qsort' to sort command-line arguments by the
89 cmd_sorter (const void *a1, const void *a2)
91 const struct GNUNET_GETOPT_CommandLineOption *c1 = a1;
92 const struct GNUNET_GETOPT_CommandLineOption *c2 = a2;
93 if (toupper (c1->shortName) > toupper (c2->shortName))
95 if (toupper (c1->shortName) < toupper (c2->shortName))
97 if (c1->shortName > c2->shortName)
99 if (c1->shortName < c2->shortName)
106 * Run a standard GNUnet command startup sequence (initialize loggers
107 * and configuration, parse options).
109 * @param argc number of command line arguments
110 * @param argv command line arguments
111 * @param binaryName our expected name
112 * @param options command line options
113 * @param task main function to run
114 * @param task_cls closure for task
115 * @return GNUNET_SYSERR on error, GNUNET_OK on success
118 GNUNET_PROGRAM_run (int argc,
120 const char *binaryName,
121 const char *binaryHelp,
122 const struct GNUNET_GETOPT_CommandLineOption *options,
123 GNUNET_PROGRAM_Main task, void *task_cls)
125 struct CommandContext cc;
130 struct GNUNET_GETOPT_CommandLineOption defoptions[] = {
131 GNUNET_GETOPT_OPTION_CFG_FILE (&cc.cfgfile),
132 GNUNET_GETOPT_OPTION_HELP (binaryHelp),
133 GNUNET_GETOPT_OPTION_LOGLEVEL (&loglev),
134 GNUNET_GETOPT_OPTION_VERSION (PACKAGE_VERSION)
136 struct GNUNET_GETOPT_CommandLineOption *allopts;
138 memset (&cc, 0, sizeof (cc));
141 cc.task_cls = task_cls;
142 cc.cfg = GNUNET_CONFIGURATION_create ();
146 setlocale (LC_ALL, "");
147 path = GNUNET_OS_installation_get_path (GNUNET_OS_IPK_LOCALEDIR);
150 BINDTEXTDOMAIN ("GNUnet", path);
153 textdomain ("GNUnet");
156 while (options[cnt].name != NULL)
159 GNUNET_malloc ((cnt +
160 1) * sizeof (struct GNUNET_GETOPT_CommandLineOption) +
161 sizeof (defoptions));
162 memcpy (allopts, defoptions, sizeof (defoptions));
164 [sizeof (defoptions) /
165 sizeof (struct GNUNET_GETOPT_CommandLineOption)], options,
166 (cnt + 1) * sizeof (struct GNUNET_GETOPT_CommandLineOption));
168 sizeof (defoptions) / sizeof (struct GNUNET_GETOPT_CommandLineOption);
169 qsort (allopts, cnt, sizeof (struct GNUNET_GETOPT_CommandLineOption),
171 loglev = GNUNET_strdup ("WARNING");
172 if ((-1 == (ret = GNUNET_GETOPT_run (binaryName,
175 (unsigned int) argc, argv))) ||
177 GNUNET_log_setup (binaryName,
180 (GNUNET_OK != GNUNET_CONFIGURATION_load (cc.cfg, cc.cfgfile))))
183 GNUNET_free_non_null (cc.cfgfile);
184 GNUNET_free (loglev);
185 GNUNET_free (allopts);
186 return GNUNET_SYSERR;
188 GNUNET_free (allopts);
191 cc.args = &argv[ret];
192 GNUNET_SCHEDULER_run (&program_main, &cc);
195 GNUNET_CONFIGURATION_destroy (cc.cfg);
196 GNUNET_free_non_null (cc.cfgfile);
197 GNUNET_free (loglev);
202 /* end of program.c */