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 arm/gnunet-arm.c
23 * @brief arm for writing a tool
24 * @author Christian Grothoff
27 #include "gnunet_arm_service.h"
28 #include "gnunet_client_lib.h"
29 #include "gnunet_getopt_lib.h"
30 #include "gnunet_program_lib.h"
31 #include "gnunet_time_lib.h"
34 * Timeout for all operations.
36 #define TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 5)
39 * Set if we are to shutdown all services (including ARM).
44 * Set if we are to start default services (including ARM).
49 * Set to the name of a service to start.
54 * Set to the name of a service to kill.
59 * Set to the name of a service to test.
69 * Connection with ARM.
71 static struct GNUNET_ARM_Handle *h;
76 static struct GNUNET_SCHEDULER_Handle *sched;
81 const struct GNUNET_CONFIGURATION_Handle *cfg;
84 * Processing stage that we are in. Simple counter.
86 static unsigned int phase;
90 * Main continuation-passing-style loop. Runs the various
91 * jobs that we've been asked to do in order.
93 * @param cls closure, unused
94 * @param tc context, unused
98 const struct GNUNET_SCHEDULER_TaskContext *tc);
102 * Callback invoked with the status of the last operation. Reports to the
103 * user and then runs the next phase in the FSM.
105 * @param cls pointer to "const char*" identifying service that was manipulated
106 * @param success GNUNET_OK if service is now running, GNUNET_NO if not, GNUNET_SYSERR on error
109 confirm_cb (void *cls, int success)
111 const char *service = cls;
115 fprintf (stdout, _("Service `%s' is now running.\n"), service);
118 fprintf (stdout, _("Service `%s' is not running.\n"), service);
122 _("Error updating service `%s': ARM not running\n"), service);
125 GNUNET_SCHEDULER_add_continuation (sched,
129 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
134 * Function called to confirm that a service is running (or that
135 * it is not running).
137 * @param cls pointer to "const char*" identifying service that was manipulated
138 * @param tc reason determines if service is now running
141 confirm_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
143 const char *service = cls;
145 if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_PREREQ_DONE))
146 fprintf (stdout, _("Service `%s' is running.\n"), service);
148 fprintf (stdout, _("Service `%s' is not running.\n"), service);
149 GNUNET_SCHEDULER_add_continuation (sched,
153 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
158 * Main function that will be run by the scheduler.
161 * @param s the scheduler to use
162 * @param args remaining command-line arguments
163 * @param cfgfile name of the configuration file used (for saving, can be NULL!)
164 * @param c configuration
168 struct GNUNET_SCHEDULER_Handle *s,
171 const struct GNUNET_CONFIGURATION_Handle *c)
175 h = GNUNET_ARM_connect (cfg, sched, NULL);
179 _("Fatal error initializing ARM API.\n"));
183 GNUNET_SCHEDULER_add_continuation (sched,
187 GNUNET_SCHEDULER_REASON_PREREQ_DONE);
192 * Main continuation-passing-style loop. Runs the various
193 * jobs that we've been asked to do in order.
195 * @param cls closure, unused
196 * @param tc context, unused
200 const struct GNUNET_SCHEDULER_TaskContext *tc)
209 GNUNET_ARM_stop_service (h, term, TIMEOUT, &confirm_cb, term);
216 GNUNET_ARM_stop_service (h, "arm", TIMEOUT, &confirm_cb, "arm");
223 GNUNET_ARM_start_service (h, "arm", TIMEOUT, &confirm_cb, "arm");
230 GNUNET_ARM_start_service (h, init, TIMEOUT, &confirm_cb, init);
237 GNUNET_CLIENT_service_test (sched, test, cfg, TIMEOUT, &confirm_task, test);
241 default: /* last phase */
242 GNUNET_ARM_disconnect (h);
250 * gnunet-arm command line options
252 static struct GNUNET_GETOPT_CommandLineOption options[] = {
253 {'e', "end", NULL, gettext_noop ("stop all GNUnet services"),
254 GNUNET_NO, &GNUNET_GETOPT_set_one, &end},
255 {'i', "init", "SERVICE", gettext_noop ("start a particular service"),
256 GNUNET_YES, &GNUNET_GETOPT_set_string, &init},
257 {'k', "kill", "SERVICE", gettext_noop ("stop a particular service"),
258 GNUNET_YES, &GNUNET_GETOPT_set_string, &term},
259 {'s', "start", NULL, gettext_noop ("start all GNUnet default services"),
260 GNUNET_NO, &GNUNET_GETOPT_set_one, &start},
261 {'t', "test", "SERVICE",
262 gettext_noop ("test if a particular service is running"),
263 GNUNET_YES, &GNUNET_GETOPT_set_string, &test},
264 GNUNET_GETOPT_OPTION_END
269 * The main function to obtain arm from gnunetd.
271 * @param argc number of arguments from the command line
272 * @param argv command line arguments
273 * @return 0 ok, 1 on error
276 main (int argc, char *const *argv)
279 GNUNET_PROGRAM_run (argc,
283 ("Control services and the Automated Restart Manager (ARM)"),
284 options, &run, NULL)) ? ret : 1;
287 /* end of gnunet-arm.c */