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authorKay Sievers <kay.sievers@vrfy.org>2012-04-03 21:24:46 +0200
committerKay Sievers <kay.sievers@vrfy.org>2012-04-04 05:05:07 +0200
commit3e2147858f21943d5f4a781c60f33ac22c6096ed (patch)
treecaf12dcef379e98278f7d67a816e0f2069c8fd87 /src/udev/udevadm-control.c
parent19c5f19d69bb5f520fa7213239490c55de06d99d (diff)
move imported udev into place
Diffstat (limited to 'src/udev/udevadm-control.c')
-rw-r--r--src/udev/udevadm-control.c175
1 files changed, 175 insertions, 0 deletions
diff --git a/src/udev/udevadm-control.c b/src/udev/udevadm-control.c
new file mode 100644
index 0000000000..cafa214944
--- /dev/null
+++ b/src/udev/udevadm-control.c
@@ -0,0 +1,175 @@
+/*
+ * Copyright (C) 2005-2011 Kay Sievers <kay.sievers@vrfy.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+
+#include <time.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <getopt.h>
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <sys/un.h>
+
+#include "udev.h"
+
+static void print_help(void)
+{
+ printf("Usage: udevadm control COMMAND\n"
+ " --exit instruct the daemon to cleanup and exit\n"
+ " --log-priority=<level> set the udev log level for the daemon\n"
+ " --stop-exec-queue do not execute events, queue only\n"
+ " --start-exec-queue execute events, flush queue\n"
+ " --reload reload rules and databases\n"
+ " --property=<KEY>=<value> set a global property for all events\n"
+ " --children-max=<N> maximum number of children\n"
+ " --timeout=<seconds> maximum time to block for a reply\n"
+ " --help print this help text\n\n");
+}
+
+static int adm_control(struct udev *udev, int argc, char *argv[])
+{
+ struct udev_ctrl *uctrl = NULL;
+ int timeout = 60;
+ int rc = 1;
+
+ static const struct option options[] = {
+ { "exit", no_argument, NULL, 'e' },
+ { "log-priority", required_argument, NULL, 'l' },
+ { "stop-exec-queue", no_argument, NULL, 's' },
+ { "start-exec-queue", no_argument, NULL, 'S' },
+ { "reload", no_argument, NULL, 'R' },
+ { "reload-rules", no_argument, NULL, 'R' },
+ { "property", required_argument, NULL, 'p' },
+ { "env", required_argument, NULL, 'p' },
+ { "children-max", required_argument, NULL, 'm' },
+ { "timeout", required_argument, NULL, 't' },
+ { "help", no_argument, NULL, 'h' },
+ {}
+ };
+
+ if (getuid() != 0) {
+ fprintf(stderr, "root privileges required\n");
+ return 1;
+ }
+
+ uctrl = udev_ctrl_new(udev);
+ if (uctrl == NULL)
+ return 2;
+
+ for (;;) {
+ int option;
+
+ option = getopt_long(argc, argv, "el:sSRp:m:h", options, NULL);
+ if (option == -1)
+ break;
+
+ switch (option) {
+ case 'e':
+ if (udev_ctrl_send_exit(uctrl, timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ case 'l': {
+ int i;
+
+ i = util_log_priority(optarg);
+ if (i < 0) {
+ fprintf(stderr, "invalid number '%s'\n", optarg);
+ goto out;
+ }
+ if (udev_ctrl_send_set_log_level(uctrl, util_log_priority(optarg), timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ }
+ case 's':
+ if (udev_ctrl_send_stop_exec_queue(uctrl, timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ case 'S':
+ if (udev_ctrl_send_start_exec_queue(uctrl, timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ case 'R':
+ if (udev_ctrl_send_reload(uctrl, timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ case 'p':
+ if (strchr(optarg, '=') == NULL) {
+ fprintf(stderr, "expect <KEY>=<value> instead of '%s'\n", optarg);
+ goto out;
+ }
+ if (udev_ctrl_send_set_env(uctrl, optarg, timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ case 'm': {
+ char *endp;
+ int i;
+
+ i = strtoul(optarg, &endp, 0);
+ if (endp[0] != '\0' || i < 1) {
+ fprintf(stderr, "invalid number '%s'\n", optarg);
+ goto out;
+ }
+ if (udev_ctrl_send_set_children_max(uctrl, i, timeout) < 0)
+ rc = 2;
+ else
+ rc = 0;
+ break;
+ }
+ case 't': {
+ int seconds;
+
+ seconds = atoi(optarg);
+ if (seconds >= 0)
+ timeout = seconds;
+ else
+ fprintf(stderr, "invalid timeout value\n");
+ break;
+ }
+ case 'h':
+ print_help();
+ rc = 0;
+ break;
+ }
+ }
+
+ if (argv[optind] != NULL)
+ fprintf(stderr, "unknown option\n");
+ else if (optind == 1)
+ fprintf(stderr, "missing option\n");
+out:
+ udev_ctrl_unref(uctrl);
+ return rc;
+}
+
+const struct udevadm_cmd udevadm_control = {
+ .name = "control",
+ .cmd = adm_control,
+ .help = "control the udev daemon",
+};