/*
* udevcontrol.c
*
- * Userspace devfs
- *
* Copyright (C) 2005 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 version 2 of the License.
#include "udev.h"
#include "udev_version.h"
#include "udevd.h"
+#include "udev_utils.h"
#include "logging.h"
/* global variables */
static int sock = -1;
+static int log = 0;
#ifdef USE_LOG
-void log_message (int level, const char *format, ...)
+void log_message (int priority, const char *format, ...)
{
va_list args;
+ if (priority > log)
+ return;
+
va_start(args, format);
- vsyslog(level, format, args);
+ vsyslog(priority, format, args);
va_end(args);
}
#endif
static struct udevd_msg usend_msg;
struct sockaddr_un saddr;
socklen_t addrlen;
+ const char *env;
+ const char *val;
+ int *intval;
+ int i;
int retval = 1;
+ env = getenv("UDEV_LOG");
+ if (env)
+ log = log_priority(env);
+
logging_init("udevcontrol");
dbg("version %s", UDEV_VERSION);
- if (argc != 2) {
- info("usage: udevcontrol <cmd>\n");
+ if (argc < 2) {
+ fprintf(stderr, "missing command\n\n");
goto exit;
}
memset(&usend_msg, 0x00, sizeof(struct udevd_msg));
strcpy(usend_msg.magic, UDEV_MAGIC);
- if (strstr(argv[1], "stop_exec_queue"))
- usend_msg.type = UDEVD_STOP_EXEC_QUEUE;
- else if (strstr(argv[1], "start_exec_queue"))
- usend_msg.type = UDEVD_START_EXEC_QUEUE;
- else {
- info("unknown command\n");
- goto exit;
+ for (i = 1 ; i < argc; i++) {
+ char *arg = argv[i];
+
+ if (!strcmp(arg, "stop_exec_queue"))
+ usend_msg.type = UDEVD_STOP_EXEC_QUEUE;
+ else if (!strcmp(arg, "start_exec_queue"))
+ usend_msg.type = UDEVD_START_EXEC_QUEUE;
+ else if (!strncmp(arg, "log_priority=", strlen("log_priority="))) {
+ intval = (int *) usend_msg.envbuf;
+ val = &arg[strlen("log_priority=")];
+ usend_msg.type = UDEVD_SET_LOG_LEVEL;
+ *intval = log_priority(val);
+ info("send log_priority=%i", *intval);
+ } else if (!strncmp(arg, "max_childs=", strlen("max_childs="))) {
+ intval = (int *) usend_msg.envbuf;
+ val = &arg[strlen("max_childs=")];
+ usend_msg.type = UDEVD_SET_MAX_CHILDS;
+ *intval = atoi(val);
+ info("send max_childs=%i", *intval);
+ } else if (strcmp(arg, "help") == 0 || strcmp(arg, "--help") == 0 || strcmp(arg, "-h") == 0) {
+ printf("Usage: udevcontrol COMMAND\n"
+ " log_priority=<level> set the udev log level for the daemon\n"
+ " stop_exec_queue keep udevd from executing events, queue only\n"
+ " start_exec_queue execute events, flush queue\n"
+ " max_childs=<N> maximum number of childs running at the same time\n"
+ " --help print this help text\n\n");
+ exit(0);
+ } else {
+ fprintf(stderr, "unknown option\n\n");
+ exit(1);
+ }
+ }
+
+ if (getuid() != 0) {
+ fprintf(stderr, "need to be root, exit\n\n");
+ exit(1);
}
sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
if (sock == -1) {
- info("error getting socket");
+ err("error getting socket");
goto exit;
}
retval = sendto(sock, &usend_msg, sizeof(usend_msg), 0, (struct sockaddr *)&saddr, addrlen);
- if (retval == -1)
+ if (retval == -1) {
info("error sending message (%s)", strerror(errno));
+ retval = 1;
+ } else {
+ dbg("sent message type=0x%02x, %u bytes sent", usend_msg.type, retval);
+ retval = 0;
+ }
close(sock);