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authorKay Sievers <kay.sievers@suse.de>2005-06-05 04:41:09 +0200
committerKay Sievers <kay.sievers@suse.de>2005-06-05 04:41:09 +0200
commit3b47c7394d042b8a3fcf426920a926d4ffedacad (patch)
tree110521f19caf90d736f46cdc71da08049ff05cf1 /udevcontrol.c
parent88f4b6485e2a551de55fd9d39aeef89debf3121c (diff)
udevd: add udevcontrol
Controls the behavior of the running daemon. Currently only stopping and starting of the execution queue is supported. Signed-off-by: Kay Sievers <kay.sievers@suse.de>
Diffstat (limited to 'udevcontrol.c')
-rw-r--r--udevcontrol.c107
1 files changed, 107 insertions, 0 deletions
diff --git a/udevcontrol.c b/udevcontrol.c
new file mode 100644
index 0000000000..6a278a04c1
--- /dev/null
+++ b/udevcontrol.c
@@ -0,0 +1,107 @@
+/*
+ * 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.
+ *
+ * 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.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/socket.h>
+#include <sys/wait.h>
+#include <sys/un.h>
+#include <time.h>
+#include <errno.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <string.h>
+#include <unistd.h>
+#include <linux/stddef.h>
+
+#include "udev.h"
+#include "udev_version.h"
+#include "udevd.h"
+#include "logging.h"
+
+/* global variables */
+static int sock = -1;
+
+#ifdef USE_LOG
+void log_message (int level, const char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+ vsyslog(level, format, args);
+ va_end(args);
+}
+#endif
+
+
+int main(int argc, char *argv[], char *envp[])
+{
+ static struct udevd_msg usend_msg;
+ struct sockaddr_un saddr;
+ socklen_t addrlen;
+ int retval = 1;
+
+ logging_init("udevcontrol");
+ dbg("version %s", UDEV_VERSION);
+
+ if (argc != 2) {
+ info("usage: udevcontrol <cmd>\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;
+ }
+
+ sock = socket(AF_LOCAL, SOCK_DGRAM, 0);
+ if (sock == -1) {
+ info("error getting socket");
+ goto exit;
+ }
+
+ memset(&saddr, 0x00, sizeof(struct sockaddr_un));
+ saddr.sun_family = AF_LOCAL;
+ /* use abstract namespace for socket path */
+ strcpy(&saddr.sun_path[1], UDEVD_SOCK_PATH);
+ addrlen = offsetof(struct sockaddr_un, sun_path) + strlen(saddr.sun_path+1) + 1;
+
+
+ retval = sendto(sock, &usend_msg, sizeof(usend_msg), 0, (struct sockaddr *)&saddr, addrlen);
+ if (retval == -1)
+ info("error sending message (%s)", strerror(errno));
+
+ close(sock);
+
+exit:
+ logging_close();
+
+ return retval;
+}