/*
This file is part of GNUnet.
- (C) 2009 Christian Grothoff (and other contributing authors)
+ (C) 2009, 2012, 2013 Christian Grothoff (and other contributing authors)
GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
*/
#include "platform.h"
#include "gnunet_arm_service.h"
-#include "gnunet_client_lib.h"
#include "gnunet_constants.h"
-#include "gnunet_getopt_lib.h"
-#include "gnunet_program_lib.h"
-#include "gnunet_time_lib.h"
+#include "gnunet_util_lib.h"
/**
* Timeout for stopping services. Long to give some services a real chance.
*/
-#define STOP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
+#define STOP_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 1)
/**
* Timeout for stopping ARM. Extra-long since ARM needs to stop everyone else.
*/
-#define STOP_TIMEOUT_ARM GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 3)
+#define STOP_TIMEOUT_ARM GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MINUTES, 2)
/**
* Timeout for starting services, very short because of the strange way start works
* (by checking if running before starting, so really this time is always waited on
* startup (annoying)).
*/
-#define START_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 1000)
+#define START_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 1)
/**
- * Timeout for starting services, very short because of the strange way start works
- * (by checking if running before starting, so really this time is always waited on
- * startup (annoying)).
+ * Timeout for listing all running services.
*/
-#define TEST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2)
+#define LIST_TIMEOUT GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_SECONDS, 2)
/**
* Set if we are to shutdown all services (including ARM).
*/
static int quiet;
+/**
+ * Set if we should print a list of currently running services.
+ */
+static int list;
+
/**
* Set to the name of a service to start.
*/
*/
static char *term;
-/**
- * Set to the name of a service to test.
- */
-static char *test;
-
/**
* Set to the name of the config file used.
*/
/**
* Our configuration.
*/
-const struct GNUNET_CONFIGURATION_Handle *cfg;
+static struct GNUNET_CONFIGURATION_Handle *cfg;
/**
* Processing stage that we are in. Simple counter.
*/
static struct GNUNET_TIME_Relative timeout;
+/**
+ * Do we want to give our stdout to gnunet-service-arm?
+ */
+static unsigned int no_stdout;
+
+/**
+ * Do we want to give our stderr to gnunet-service-arm?
+ */
+static unsigned int no_stderr;
+
/**
* Main continuation-passing-style loop. Runs the various
* @param tc context, unused
*/
static void
-cps_loop (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc);
+cps_loop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc);
/**
* user and then runs the next phase in the FSM.
*
* @param cls pointer to "const char*" identifying service that was manipulated
- * @param success GNUNET_OK if service is now running, GNUNET_NO if not, GNUNET_SYSERR on error
+ * @param result result of the operation
*/
static void
-confirm_cb (void *cls, int success)
+confirm_cb (void *cls,
+ enum GNUNET_ARM_ProcessStatus result)
{
const char *service = cls;
- switch (success)
- {
- case GNUNET_OK:
- if (quiet != GNUNET_YES)
- fprintf(stdout, _("Service `%s' has been started.\n"), service);
- if ((phase - 1 != 2) && (phase - 1 != 3))
- {
- if (quiet != GNUNET_YES)
- fprintf(stdout, _("Failed to stop service `%s'!\n"), service);
- ret = 1;
- }
- break;
- case GNUNET_NO:
- if (quiet != GNUNET_YES)
- fprintf(stdout, _("Service `%s' has been stopped.\n"), service);
- if ((phase - 1 != 0) && (phase - 1 != 1))
- {
- if (quiet != GNUNET_YES)
- fprintf(stdout, _("Failed to start service `%s'!\n"), service);
- ret = 1;
- }
- break;
- case GNUNET_SYSERR:
- if (quiet != GNUNET_YES)
- fprintf(stdout,
- _("Some error communicating with service `%s'.\n"), service);
- ret = 1;
- break;
- }
- GNUNET_SCHEDULER_add_continuation (&cps_loop,
- NULL,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ switch (result)
+ {
+ case GNUNET_ARM_PROCESS_UNKNOWN:
+ FPRINTF (stderr, _("Service `%s' is unknown to ARM.\n"), service);
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_DOWN:
+ if (quiet != GNUNET_YES)
+ FPRINTF (stdout, _("Service `%s' has been stopped.\n"), service);
+ break;
+ case GNUNET_ARM_PROCESS_ALREADY_RUNNING:
+ FPRINTF (stderr, _("Service `%s' was already running.\n"), service);
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_STARTING:
+ if (quiet != GNUNET_YES)
+ FPRINTF (stdout, _("Service `%s' has been started.\n"), service);
+ break;
+ case GNUNET_ARM_PROCESS_ALREADY_STOPPING:
+ FPRINTF (stderr, _("Service `%s' was already being stopped.\n"), service);
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_ALREADY_DOWN:
+ FPRINTF (stderr, _("Service `%s' was already not running.\n"), service);
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_SHUTDOWN:
+ FPRINTF (stderr, "%s", _("Request ignored as ARM is shutting down.\n"));
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_COMMUNICATION_ERROR:
+ FPRINTF (stderr, "%s", _("Error communicating with ARM service.\n"));
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_COMMUNICATION_TIMEOUT:
+ FPRINTF (stderr, "%s", _("Timeout communicating with ARM service.\n"));
+ ret = 1;
+ break;
+ case GNUNET_ARM_PROCESS_FAILURE:
+ FPRINTF (stderr, "%s", _("Operation failed.\n"));
+ ret = 1;
+ break;
+ default:
+ FPRINTF (stderr, "%s", _("Unknown response code from ARM.\n"));
+ break;
+ }
+ GNUNET_SCHEDULER_add_now (&cps_loop, NULL);
}
/**
- * Function called to confirm that a service is running (or that
- * it is not running).
+ * Callback invoked with the list of running services.
+ * Reports to the user and then runs the next phase in the FSM.
*
- * @param cls pointer to "const char*" identifying service that was manipulated
- * @param tc reason determines if service is now running
+ * @param cls currently not used
+ * @param result result of the operation
+ * @param count number of running services
+ * @param list copy of the list of running services
*/
static void
-confirm_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+list_cb (void *cls, int result, unsigned int count, const char *const*list)
{
- const char *service = cls;
+ unsigned int i;
+
+ if ( (result != GNUNET_YES) || (NULL == list) )
+ {
+ FPRINTF (stderr, "%s", _("Error communicating with ARM. ARM not running?\n"));
+ return;
+ }
+ FPRINTF (stdout, "%s", _("Running services:\n"));
+ for (i=0; i<count; i++)
+ FPRINTF (stdout, "%s\n", list[i]);
+}
+
+
+/**
+ * Attempts to delete configuration file and SERVICEHOME
+ * on arm shutdown provided the end and delete options
+ * were specified when gnunet-arm was run.
+ */
+static void
+delete_files ()
+{
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Will attempt to remove configuration file %s and service directory %s\n",
+ config_file, dir);
- if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_PREREQ_DONE))
+ if (UNLINK (config_file) != 0)
{
- if (quiet != GNUNET_YES)
- fprintf(stdout, _("Service `%s' is running.\n"), service);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to remove configuration file %s\n"), config_file);
}
- else
+
+ if (GNUNET_DISK_directory_remove (dir) != GNUNET_OK)
{
- if (quiet != GNUNET_YES)
- fprintf(stdout, _("Service `%s' is not running.\n"), service);
+ GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+ _("Failed to remove servicehome directory %s\n"), dir);
+
}
- GNUNET_SCHEDULER_add_continuation (&cps_loop,
- NULL,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+}
+
+
+/**
+ * Main continuation-passing-style loop. Runs the various
+ * jobs that we've been asked to do in order.
+ *
+ * @param cls closure, unused
+ * @param tc context, unused
+ */
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ GNUNET_ARM_disconnect (h);
+ h = NULL;
+ if ((end == GNUNET_YES) && (delete == GNUNET_YES))
+ delete_files ();
+ GNUNET_CONFIGURATION_destroy (cfg);
+ cfg = NULL;
}
* @param c configuration
*/
static void
-run (void *cls,
- char *const *args,
- const char *cfgfile,
+run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
- cfg = c;
+ char *armconfig;
+
+ cfg = GNUNET_CONFIGURATION_dup (c);
config_file = cfgfile;
- if (GNUNET_CONFIGURATION_get_value_string(cfg, "PATHS", "SERVICEHOME", &dir) != GNUNET_OK)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Fatal configuration error: `%s' option in section `%s' missing.\n"),
- "SERVICEHOME",
- "PATHS");
- return;
+ if (GNUNET_CONFIGURATION_get_value_string
+ (cfg, "PATHS", "SERVICEHOME", &dir) != GNUNET_OK)
+ {
+ GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+ "PATHS", "SERVICEHOME");
+ return;
}
- h = GNUNET_ARM_connect (cfg, NULL);
- if (h == NULL)
+ if (NULL != cfgfile)
+ {
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_get_value_filename (cfg, "arm", "CONFIG",
+ &armconfig))
{
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Fatal error initializing ARM API.\n"));
- ret = 1;
- return;
+ GNUNET_CONFIGURATION_set_value_string (cfg, "arm", "CONFIG",
+ cfgfile);
}
- GNUNET_SCHEDULER_add_continuation (&cps_loop,
- NULL,
- GNUNET_SCHEDULER_REASON_PREREQ_DONE);
-}
-
-/**
- * Attempts to delete configuration file and SERVICEHOME
- * on arm shutdown provided the end and delete options
- * were specified when gnunet-arm was run.
- */
-static void delete_files()
-{
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Will attempt to remove configuration file %s and service directory %s\n", config_file, dir);
-
- if (UNLINK(config_file) != 0)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to remove configuration file %s\n"), config_file);
+ else
+ GNUNET_free (armconfig);
}
-
- if (GNUNET_DISK_directory_remove(dir) != GNUNET_OK)
+ if (NULL == (h = GNUNET_ARM_connect (cfg, NULL)))
{
- GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
- _("Failed to remove servicehome directory %s\n"), dir);
-
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Fatal error initializing ARM API.\n"));
+ ret = 1;
+ GNUNET_CONFIGURATION_destroy (cfg);
+ cfg = NULL;
+ return;
}
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &shutdown_task, NULL);
+ GNUNET_SCHEDULER_add_now (&cps_loop, NULL);
}
+
/**
* Main continuation-passing-style loop. Runs the various
* jobs that we've been asked to do in order.
* @param tc context, unused
*/
static void
-cps_loop (void *cls,
- const struct GNUNET_SCHEDULER_TaskContext *tc)
+cps_loop (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
{
+ if (NULL == h)
+ return;
+ if (0 != (tc->reason & GNUNET_SCHEDULER_REASON_SHUTDOWN))
+ return;
while (1)
+ {
+ switch (phase++)
{
- switch (phase++)
+ case 0:
+ if (NULL != term)
+ {
+ GNUNET_ARM_stop_service (h, term,
+ (0 ==
+ timeout.rel_value) ? STOP_TIMEOUT :
+ timeout, &confirm_cb, term);
+ return;
+ }
+ break;
+ case 1:
+ if ((end) || (restart))
+ {
+ GNUNET_ARM_stop_service (h, "arm",
+ (0 ==
+ timeout.rel_value) ? STOP_TIMEOUT_ARM
+ : timeout, &confirm_cb, "arm");
+ return;
+ }
+ break;
+ case 2:
+ if (start)
+ {
+ GNUNET_ARM_start_service (h, "arm",
+ (no_stdout ? 0 : GNUNET_OS_INHERIT_STD_OUT) |
+ (no_stderr ? 0 : GNUNET_OS_INHERIT_STD_ERR),
+ (0 ==
+ timeout.rel_value) ? START_TIMEOUT :
+ timeout, &confirm_cb, "arm");
+ return;
+ }
+ break;
+ case 3:
+ if (NULL != init)
+ {
+ GNUNET_ARM_start_service (h, init,
+ (no_stdout ? 0 : GNUNET_OS_INHERIT_STD_OUT) |
+ (no_stderr ? 0 : GNUNET_OS_INHERIT_STD_ERR),
+ (0 ==
+ timeout.rel_value) ? START_TIMEOUT :
+ timeout, &confirm_cb, init);
+ return;
+ }
+ break;
+ case 4:
+ if (restart)
+ {
+ GNUNET_ARM_disconnect (h);
+ phase = 0;
+ end = 0;
+ start = 1;
+ restart = 0;
+ if (NULL == (h = GNUNET_ARM_connect (cfg, NULL)))
{
- case 0:
- if (term != NULL)
- {
- GNUNET_ARM_stop_service (h, term, (0 == timeout.rel_value) ? STOP_TIMEOUT : timeout, &confirm_cb, term);
- return;
- }
- break;
- case 1:
- if ((end) || (restart))
- {
- GNUNET_ARM_stop_service (h, "arm", (0 == timeout.rel_value) ? STOP_TIMEOUT_ARM : timeout, &confirm_cb, "arm");
- return;
- }
- break;
- case 2:
- if (start)
- {
- GNUNET_ARM_start_service (h, "arm", (0 == timeout.rel_value) ? START_TIMEOUT : timeout, &confirm_cb, "arm");
- return;
- }
- break;
- case 3:
- if (init != NULL)
- {
- GNUNET_ARM_start_service (h, init, (0 == timeout.rel_value) ? START_TIMEOUT : timeout, &confirm_cb, init);
- return;
- }
- break;
- case 4:
- if (test != NULL)
- {
- GNUNET_CLIENT_service_test (test, cfg, (0 == timeout.rel_value) ? TEST_TIMEOUT : timeout, &confirm_task, test);
- return;
- }
- break;
- case 5:
- if (restart)
- {
- GNUNET_ARM_disconnect (h);
- phase = 0;
- end = 0;
- start = 1;
- restart = 0;
- h = GNUNET_ARM_connect (cfg, NULL);
- if (h == NULL)
- {
- GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
- _("Fatal error initializing ARM API.\n"));
- ret = 1;
- return;
- }
- GNUNET_SCHEDULER_add_now(&cps_loop, NULL);
- return;
- }
- /* Fall through */
- default: /* last phase */
- GNUNET_ARM_disconnect (h);
- if ((end == GNUNET_YES) && (delete == GNUNET_YES))
- delete_files();
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Fatal error initializing ARM API.\n"));
+ ret = 1;
return;
}
+ GNUNET_SCHEDULER_add_now (&cps_loop, NULL);
+ return;
+ }
+ break;
+ case 5:
+ if (list)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Going to list all running services controlled by ARM.\n");
+
+ if (NULL == h)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("Fatal error initializing ARM API.\n"));
+ return;
+ }
+ GNUNET_ARM_list_running_services (h,
+ (0 ==
+ timeout.rel_value) ? LIST_TIMEOUT :
+ timeout, &list_cb, NULL);
+ return;
+ }
+ /* Fall through */
+ default: /* last phase */
+ GNUNET_SCHEDULER_shutdown ();
+ return;
}
+ }
}
int
main (int argc, char *const *argv)
{
- static unsigned long long temp_timeout_ms;
-
static const struct GNUNET_GETOPT_CommandLineOption options[] = {
{'e', "end", NULL, gettext_noop ("stop all GNUnet services"),
GNUNET_NO, &GNUNET_GETOPT_set_one, &end},
GNUNET_YES, &GNUNET_GETOPT_set_string, &term},
{'s', "start", NULL, gettext_noop ("start all GNUnet default services"),
GNUNET_NO, &GNUNET_GETOPT_set_one, &start},
- {'r', "restart", NULL, gettext_noop ("stop and start all GNUnet default services"),
+ {'r', "restart", NULL,
+ gettext_noop ("stop and start all GNUnet default services"),
GNUNET_NO, &GNUNET_GETOPT_set_one, &restart},
- {'t', "test", "SERVICE",
- gettext_noop ("test if a particular service is running"),
- GNUNET_YES, &GNUNET_GETOPT_set_string, &test},
- {'d', "delete", NULL, gettext_noop ("delete config file and directory on exit"),
+ {'d', "delete", NULL,
+ gettext_noop ("delete config file and directory on exit"),
GNUNET_NO, &GNUNET_GETOPT_set_one, &delete},
{'q', "quiet", NULL, gettext_noop ("don't print status messages"),
GNUNET_NO, &GNUNET_GETOPT_set_one, &quiet},
- {'T', "timeout", NULL, gettext_noop ("timeout for completing current operation"),
- GNUNET_YES, &GNUNET_GETOPT_set_ulong, &temp_timeout_ms},
+ {'T', "timeout", "MSECS",
+ gettext_noop ("timeout in MSECS milliseconds for completing current operation"),
+ GNUNET_YES, &GNUNET_GETOPT_set_relative_time, &timeout},
+ {'I', "info", NULL, gettext_noop ("list currently running services"),
+ GNUNET_NO, &GNUNET_GETOPT_set_one, &list},
+ {'O', "no-stdout", NULL, gettext_noop ("don't let gnunet-service-arm inherit standard output"),
+ GNUNET_NO, &GNUNET_GETOPT_set_one, &no_stdout},
+ {'E', "no-stderr", NULL, gettext_noop ("don't let gnunet-service-arm inherit standard error"),
+ GNUNET_NO, &GNUNET_GETOPT_set_one, &no_stderr},
GNUNET_GETOPT_OPTION_END
};
- if (temp_timeout_ms > 0)
- timeout.rel_value = temp_timeout_ms;
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ return 2;
- if (GNUNET_OK == GNUNET_PROGRAM_run (argc,
- argv,
- "gnunet-arm",
- gettext_noop
- ("Control services and the Automated Restart Manager (ARM)"),
- options, &run, NULL))
+ if (GNUNET_OK ==
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-arm",
+ gettext_noop
+ ("Control services and the Automated Restart Manager (ARM)"),
+ options, &run, NULL))
{
+ GNUNET_free ((void *) argv);
return ret;
}
-
- return 1;
+ GNUNET_free ((void*) argv);
+ return 1;
}
/* end of gnunet-arm.c */
projects / oweals / gnunet.git / blobdiff