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/*
rc-status
Display the status of the services in runlevels
*/
/*
* Copyright 2007-2008 Roy Marples
* All rights reserved
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <getopt.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
#include "builtins.h"
#include "einfo.h"
#include "rc.h"
#include "rc-misc.h"
extern const char *applet;
static bool test_crashed = false;
static const char *const types_nua[] = { "ineed", "iuse", "iafter", NULL };
bool _rc_can_find_pids(void)
{
RC_PIDLIST *pids;
RC_PID *pid;
RC_PID *pid2;
bool retval = false;
if (geteuid() == 0)
return true;
/* If we cannot see process 1, then we don't test to see if
* services crashed or not */
pids = rc_find_pids(NULL, NULL, 0, 1);
if (pids) {
pid = LIST_FIRST(pids);
if (pid) {
retval = true;
while (pid) {
pid2 = LIST_NEXT(pid, entries);
free(pid);
pid = pid2;
}
}
free(pids);
}
return retval;
}
static void print_level(char *level)
{
printf ("Runlevel: ");
if (isatty(fileno(stdout)))
printf("%s%s%s\n",
ecolor(ECOLOR_HILITE),
level,
ecolor(ECOLOR_NORMAL));
else
printf("%s\n", level);
}
static void print_service(char *service)
{
char status[10];
int cols = printf(" %s", service);
const char *c = ecolor(ECOLOR_GOOD);
RC_SERVICE state = rc_service_state(service);
ECOLOR color = ECOLOR_BAD;
if (state & RC_SERVICE_STOPPING)
snprintf(status, sizeof(status), "stopping ");
else if (state & RC_SERVICE_STARTING) {
snprintf(status, sizeof(status), "starting ");
color = ECOLOR_WARN;
} else if (state & RC_SERVICE_INACTIVE) {
snprintf(status, sizeof(status), "inactive ");
color = ECOLOR_WARN;
} else if (state & RC_SERVICE_STARTED) {
if (test_crashed && rc_service_daemons_crashed(service))
snprintf(status, sizeof(status), " crashed ");
else {
snprintf(status, sizeof(status), " started ");
color = ECOLOR_GOOD;
}
} else if (state & RC_SERVICE_SCHEDULED) {
snprintf(status, sizeof(status), "scheduled");
color = ECOLOR_WARN;
} else
snprintf(status, sizeof(status), " stopped ");
errno = 0;
if (c && *c && isatty(fileno(stdout)))
printf("\n");
ebracket(cols, color, status);
}
#include "_usage.h"
#define extraopts "[runlevel1] [runlevel2] ..."
#define getoptstring "alrsu" getoptstring_COMMON
static const struct option longopts[] = {
{"all", 0, NULL, 'a'},
{"list", 0, NULL, 'l'},
{"runlevel", 0, NULL, 'r'},
{"servicelist", 0, NULL, 's'},
{"unused", 0, NULL, 'u'},
longopts_COMMON
};
static const char * const longopts_help[] = {
"Show services from all run levels",
"Show list of run levels",
"Show the name of the current runlevel",
"Show service list",
"Show services not assigned to any runlevel",
longopts_help_COMMON
};
#include "_usage.c"
int rc_status(int argc, char **argv)
{
RC_DEPTREE *deptree = NULL;
RC_STRINGLIST *levels = NULL;
RC_STRINGLIST *services;
RC_STRINGLIST *types = NULL;
RC_STRINGLIST *ordered;
RC_STRING *s;
RC_STRING *l;
char *p;
int opt;
int depopts = RC_DEP_STRICT | RC_DEP_START | RC_DEP_TRACE;
test_crashed = _rc_can_find_pids();
while ((opt = getopt_long(argc, argv, getoptstring, longopts,
(int *) 0)) != -1)
switch (opt) {
case 'a':
levels = rc_runlevel_list();
break;
case 'l':
levels = rc_runlevel_list();
TAILQ_FOREACH (l, levels, entries)
printf("%s\n", l->value);
rc_stringlist_free(levels);
exit(EXIT_SUCCESS);
/* NOTREACHED */
case 'r':
p = rc_runlevel_get ();
printf("%s\n", p);
free(p);
exit(EXIT_SUCCESS);
/* NOTREACHED */
case 's':
services = rc_services_in_runlevel(NULL);
TAILQ_FOREACH(s, services, entries)
print_service(s->value);
rc_stringlist_free(services);
exit (EXIT_SUCCESS);
/* NOTREACHED */
case 'u':
services = rc_services_in_runlevel(NULL);
levels = rc_runlevel_list();
TAILQ_FOREACH(s, services, entries) {
TAILQ_FOREACH(l, levels, entries)
if (rc_service_in_runlevel(s->value, l->value))
break;
if (! l)
print_service(s->value);
}
rc_stringlist_free(levels);
rc_stringlist_free(services);
exit (EXIT_SUCCESS);
/* NOTREACHED */
case_RC_COMMON_GETOPT
}
if (! levels)
levels = rc_stringlist_new();
while (optind < argc)
rc_stringlist_add(levels, argv[optind++]);
if (! TAILQ_FIRST(levels)) {
p = rc_runlevel_get();
rc_stringlist_add(levels, p);
free(p);
}
/* Output the services in the order in which they would start */
deptree = _rc_deptree_load(NULL);
TAILQ_FOREACH(l, levels, entries) {
print_level(l->value);
services = rc_services_in_runlevel(l->value);
if (! services)
continue;
if (deptree) {
if (! types) {
types = rc_stringlist_new();
rc_stringlist_add(types, "ineed");
rc_stringlist_add(types, "iuse");
rc_stringlist_add(types, "iafter");
}
ordered = rc_deptree_depends(deptree, types, services,
l->value, depopts);
rc_stringlist_free(services);
services = ordered;
ordered = NULL;
}
TAILQ_FOREACH(s, services, entries)
if (rc_service_in_runlevel(s->value, l->value))
print_service(s->value);
rc_stringlist_free(services);
}
rc_stringlist_free(types);
rc_stringlist_free(levels);
rc_deptree_free(deptree);
exit(EXIT_SUCCESS);
/* NOTREACHED */
}
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