/*
- * udev.c
+ * udevtest.c
*
- * Userspace devfs
- *
- * Copyright (C) 2003,2004 Greg Kroah-Hartman <greg@kroah.com>
+ * Copyright (C) 2003-2004 Greg Kroah-Hartman <greg@kroah.com>
*
* 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
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
+#include <stddef.h>
+#include <unistd.h>
#include <errno.h>
#include <ctype.h>
#include <signal.h>
-#include <sysfs/libsysfs.h>
+#include <syslog.h>
#include "udev.h"
-#include "udev_version.h"
-#include "logging.h"
-#include "namedev.h"
+#include "udev_rules.h"
-/* global variables */
-char **main_argv;
-char **main_envp;
-#ifdef LOG
-unsigned char logname[42];
-void log_message (int level, const char *format, ...)
+#ifdef USE_LOG
+void log_message (int priority, const char *format, ...)
{
- va_list args;
+ va_list args;
-// if (!udev_log)
-// return;
+ if (priority > udev_log_priority)
+ return;
- /* FIXME use level... */
va_start(args, format);
vprintf(format, args);
va_end(args);
}
#endif
-static void sig_handler(int signum)
-{
- switch (signum) {
- case SIGINT:
- case SIGTERM:
- exit(20 + signum);
- default:
- dbg("unhandled signal");
- }
-}
-
-static inline char *get_action(void)
-{
- char *action;
-
- action = getenv("ACTION");
- return action;
-}
-
-static inline char *get_devpath(void)
+int main(int argc, char *argv[], char *envp[])
{
+ struct udev_rules rules;
char *devpath;
+ char temp[PATH_SIZE];
+ struct udevice *udev;
+ struct sysfs_device *dev;
+ int retval;
+ int rc = 0;
- devpath = getenv("DEVPATH");
- return devpath;
-}
-
-static inline char *get_seqnum(void)
-{
- char *seqnum;
-
- seqnum = getenv("SEQNUM");
- return seqnum;
-}
+ info("version %s", UDEV_VERSION);
-static char *subsystem_blacklist[] = {
- "net",
- "scsi_host",
- "scsi_device",
- "usb_host",
- "pci_bus",
- "",
-};
+ /* initialize our configuration */
+ udev_config_init();
+ if (udev_log_priority < LOG_INFO)
+ udev_log_priority = LOG_INFO;
-static int udev_hotplug(int argc, char **argv)
-{
- char *devpath;
- char *subsystem;
- int retval = -EINVAL;
- int i;
- struct sigaction act;
-
- devpath = argv[1];
- if (!devpath) {
- dbg("no devpath?");
- goto exit;
+ if (argc != 2) {
+ info("Usage: udevtest <devpath>");
+ return 1;
}
- dbg("looking at '%s'", devpath);
- /* we only care about class devices and block stuff */
- if (!strstr(devpath, "class") &&
- !strstr(devpath, "block")) {
- dbg("not a block or class device");
+ /* remove sysfs_path if given */
+ if (strncmp(argv[1], sysfs_path, strlen(sysfs_path)) == 0)
+ devpath = &argv[1][strlen(sysfs_path)];
+ else
+ if (argv[1][0] != '/') {
+ /* prepend '/' if missing */
+ snprintf(temp, sizeof(temp), "/%s", argv[1]);
+ temp[sizeof(temp)-1] = '\0';
+ devpath = temp;
+ } else
+ devpath = argv[1];
+
+ sysfs_init();
+ udev_rules_init(&rules, 0);
+
+ dev = sysfs_device_get(devpath);
+ if (dev == NULL) {
+ info("unable to open '%s'", devpath);
+ rc = 2;
goto exit;
}
- /* skip blacklisted subsystems */
- subsystem = argv[1];
- i = 0;
- while (subsystem_blacklist[i][0] != '\0') {
- if (strcmp(subsystem, subsystem_blacklist[i]) == 0) {
- dbg("don't care about '%s' devices", subsystem);
- goto exit;
- }
- i++;
+ udev = udev_device_init();
+ if (udev == NULL) {
+ info("can't open device");
+ rc = 3;
+ goto exit;
}
- /* initialize our configuration */
- udev_init_config();
-
- /* set up a default signal handler for now */
- act.sa_handler = sig_handler;
- sigemptyset (&act.sa_mask);
- act.sa_flags = SA_RESTART;
- sigaction(SIGINT, &act, NULL);
- sigaction(SIGTERM, &act, NULL);
+ /* override built-in sysfs device */
+ udev->dev = dev;
+ strcpy(udev->action, "add");
+ udev->devt = udev_device_get_devt(udev);
- /* initialize the naming deamon */
- namedev_init();
+ /* simulate node creation with test flag */
+ udev->test_run = 1;
- retval = udev_add_device(devpath, subsystem, 1);
+ setenv("DEVPATH", udev->dev->devpath, 1);
+ setenv("SUBSYSTEM", udev->dev->subsystem, 1);
+ setenv("ACTION", "add", 1);
-exit:
- if (retval > 0)
- retval = 0;
+ info("looking at device '%s' from subsystem '%s'", udev->dev->devpath, udev->dev->subsystem);
+ retval = udev_device_event(&rules, udev);
+ if (retval == 0 && !udev->ignore_device && udev_run) {
+ struct name_entry *name_loop;
- return -retval;
-}
+ list_for_each_entry(name_loop, &udev->run_list, node) {
+ char program[PATH_SIZE];
-int main(int argc, char **argv, char **envp)
-{
- main_argv = argv;
- main_envp = envp;
-
- dbg("version %s", UDEV_VERSION);
+ strlcpy(program, name_loop->name, sizeof(program));
+ udev_rules_apply_format(udev, program, sizeof(program));
+ info("run: '%s'", program);
+ }
+ }
- return udev_hotplug(argc, argv);
+exit:
+ udev_rules_cleanup(&rules);
+ sysfs_cleanup();
+ return rc;
}
-
-