return -1;
strlcpy(udev->action, msg->action, sizeof(udev->action));
sysfs_device_set_values(udev->dev, msg->devpath, msg->subsystem, msg->driver);
+ udev->devpath_old = msg->devpath_old;
udev->devt = msg->devt;
retval = udev_device_event(&rules, udev);
char filename[PATH_SIZE];
char filename_failed[PATH_SIZE];
size_t start;
- struct udevd_uevent_msg *loop_msg;
- int fd;
- /* add location of queue files */
- strlcpy(filename, udev_root, sizeof(filename));
- strlcat(filename, "/", sizeof(filename));
- start = strlcat(filename, EVENT_QUEUE_DIR"/", sizeof(filename));
- strlcat(filename, msg->devpath, sizeof(filename));
- path_encode(&filename[start], sizeof(filename) - start);
+ /* location of queue file */
+ snprintf(filename, sizeof(filename), "%s/"EVENT_QUEUE_DIR"/%llu", udev_root, msg->seqnum);
- /* add location of failed files */
+ /* location of failed file */
strlcpy(filename_failed, udev_root, sizeof(filename_failed));
strlcat(filename_failed, "/", sizeof(filename_failed));
start = strlcat(filename_failed, EVENT_FAILED_DIR"/", sizeof(filename_failed));
strlcat(filename_failed, msg->devpath, sizeof(filename_failed));
- path_encode(&filename_failed[start], sizeof(filename) - start);
+ path_encode(&filename_failed[start], sizeof(filename_failed) - start);
switch (state) {
case EVENT_QUEUED:
unlink(filename_failed);
delete_path(filename_failed);
+
create_path(filename);
- fd = open(filename, O_WRONLY|O_TRUNC|O_CREAT, 0644);
- if (fd > 0)
- close(fd);
- return;
+ symlink(msg->devpath, filename);
+ break;
case EVENT_FINISHED:
- case EVENT_FAILED:
- unlink(filename_failed);
- delete_path(filename_failed);
-
- /* don't remove, if events for the same path are still pending */
- list_for_each_entry(loop_msg, &running_list, node)
- if (loop_msg->devpath && strcmp(loop_msg->devpath, msg->devpath) == 0)
- return;
-
- list_for_each_entry(loop_msg, &exec_list, node)
- if (loop_msg->devpath && strcmp(loop_msg->devpath, msg->devpath) == 0)
- return;
-
- /* move failed events to the failed directory */
- if (state == EVENT_FAILED) {
- create_path(filename_failed);
- rename(filename, filename_failed);
+ if (msg->devpath_old != NULL) {
+ /* "move" event - rename failed file to current name, do not delete failed */
+ char filename_failed_old[PATH_SIZE];
+
+ strlcpy(filename_failed_old, udev_root, sizeof(filename_failed_old));
+ strlcat(filename_failed_old, "/", sizeof(filename_failed_old));
+ start = strlcat(filename_failed_old, EVENT_FAILED_DIR"/", sizeof(filename_failed_old));
+ strlcat(filename_failed_old, msg->devpath_old, sizeof(filename_failed_old));
+ path_encode(&filename_failed_old[start], sizeof(filename) - start);
+
+ if (rename(filename_failed_old, filename_failed) == 0)
+ info("renamed devpath, moved failed state of '%s' to %s'",
+ msg->devpath_old, msg->devpath);
} else {
- unlink(filename);
+ unlink(filename_failed);
+ delete_path(filename_failed);
}
- /* clean up the queue directory */
+ unlink(filename);
delete_path(filename);
+ break;
+ case EVENT_FAILED:
+ /* move failed event to the failed directory */
+ create_path(filename_failed);
+ rename(filename, filename_failed);
- return;
+ /* clean up possibly empty queue directory */
+ delete_path(filename);
+ break;
}
+
+ return;
}
static void msg_queue_delete(struct udevd_uevent_msg *msg)
{
list_del(&msg->node);
- /* mark as failed, if add event returns non-zero */
+ /* mark as failed, if "add" event returns non-zero */
if (msg->exitstatus && strcmp(msg->action, "add") == 0)
export_event_state(msg, EVENT_FAILED);
else
}
export_event_state(msg, EVENT_QUEUED);
+ info("seq %llu queued, '%s' '%s'", msg->seqnum, msg->action, msg->subsystem);
/* run one event after the other in debug mode */
if (debug_trace) {
if (loop_msg->seqnum >= msg->seqnum)
break;
+ /* check our old name */
+ if (msg->devpath_old != NULL)
+ if (strcmp(loop_msg->devpath , msg->devpath_old) == 0)
+ return 2;
+
/* check identical, parent, or child device event */
if (compare_devpath(loop_msg->devpath, msg->devpath) != 0) {
dbg("%llu, device event still pending %llu (%s)",
msg->seqnum, loop_msg->seqnum, loop_msg->devpath);
- return 2;
+ return 3;
}
/* check physical device event (special case of parent) */
if (compare_devpath(loop_msg->devpath, msg->physdevpath) != 0) {
dbg("%llu, physical device event still pending %llu (%s)",
msg->seqnum, loop_msg->seqnum, loop_msg->devpath);
- return 3;
+ return 4;
}
}
- /* check runing-queue for still running events */
+ /* check run queue for still running events */
list_for_each_entry(loop_msg, &running_list, node) {
if (limit && childs_count++ > limit) {
dbg("%llu, maximum number (%i) of childs reached", msg->seqnum, childs_count);
return 1;
}
+ /* check our old name */
+ if (msg->devpath_old != NULL)
+ if (strcmp(loop_msg->devpath , msg->devpath_old) == 0)
+ return 2;
+
/* check identical, parent, or child device event */
if (compare_devpath(loop_msg->devpath, msg->devpath) != 0) {
dbg("%llu, device event still running %llu (%s)",
msg->seqnum, loop_msg->seqnum, loop_msg->devpath);
- return 2;
+ return 3;
}
/* check physical device event (special case of parent) */
if (compare_devpath(loop_msg->devpath, msg->physdevpath) != 0) {
dbg("%llu, physical device event still running %llu (%s)",
msg->seqnum, loop_msg->seqnum, loop_msg->devpath);
- return 3;
+ return 4;
}
}
return 0;
msg->driver = &key[7];
else if (strncmp(key, "SEQNUM=", 7) == 0)
msg->seqnum = strtoull(&key[7], NULL, 10);
+ else if (strncmp(key, "DEVPATH_OLD=", 12) == 0)
+ msg->devpath_old = &key[12];
else if (strncmp(key, "PHYSDEVPATH=", 12) == 0)
msg->physdevpath = &key[12];
else if (strncmp(key, "PHYSDEVDRIVER=", 14) == 0)
~ianmdlvl / elogind.git / blobdiff