gudev: move from udev-extras

GObject libudev access. Initial version from Bastien Nocera, current
version by David Zeuthen.

1 files changed, 72 insertions, 0 deletions

diff --git a/extras/gudev/seed-example.js b/extras/gudev/seed-example.js
new file mode 100755
index 0000000000..e2ac324d23
--- /dev/null
+++ b/extras/gudev/seed-example.js
@@ -0,0 +1,72 @@
+#!/usr/bin/env seed
+
+// seed example
+
+const GLib = imports.gi.GLib;
+const GUdev = imports.gi.GUdev;
+
+function print_device (device) {
+  print ("  subsystem:             " + device.get_subsystem ());
+  print ("  devtype:               " + device.get_devtype ());
+  print ("  name:                  " + device.get_name ());
+  print ("  number:                " + device.get_number ());
+  print ("  sysfs_path:            " + device.get_sysfs_path ());
+  print ("  driver:                " + device.get_driver ());
+  print ("  action:                " + device.get_action ());
+  print ("  seqnum:                " + device.get_seqnum ());
+  print ("  device type:           " + device.get_device_type ());
+  print ("  device number:         " + device.get_device_number ());
+  print ("  device file:           " + device.get_device_file ());
+  print ("  device file symlinks:  " + device.get_device_file_symlinks ());
+  print ("  foo: " + device.get_sysfs_attr_as_strv ("stat"));
+  var keys = device.get_property_keys ();
+  for (var n = 0; n < keys.length; n++) {
+    print ("    " + keys[n] + "=" + device.get_property (keys[n]));
+  }
+}
+
+function on_uevent (client, action, device) {
+  print ("action " + action + " on device " + device.get_sysfs_path());
+  print_device (device);
+  print ("");
+}
+
+var client = new GUdev.Client ({subsystems: ["block", "usb/usb_interface"]});
+client.signal.connect ("uevent", on_uevent);
+
+var block_devices = client.query_by_subsystem ("block");
+for (var n = 0; n < block_devices.length; n++) {
+  print ("block device: " + block_devices[n].get_device_file ());
+}
+
+var d;
+
+d = client.query_by_device_number (GUdev.DeviceType.BLOCK, 0x0810);
+if (d == null) {
+  print ("query_by_device_number 0x810 -> null");
+} else {
+  print ("query_by_device_number 0x810 -> " + d.get_device_file ());
+  dd = d.get_parent_with_subsystem ("usb", null);
+  print_device (dd);
+  print ("--------------------------------------------------------------------------");
+  while (d != null) {
+    print_device (d);
+    print ("");
+    d = d.get_parent ();
+  }
+}
+
+d = client.query_by_sysfs_path ("/sys/block/sda/sda1");
+print ("query_by_sysfs_path (\"/sys/block/sda1\") -> " + d.get_device_file ());
+
+d = client.query_by_subsystem_and_name ("block", "sda2");
+print ("query_by_subsystem_and_name (\"block\", \"sda2\") -> " + d.get_device_file ());
+
+d = client.query_by_device_file ("/dev/sda");
+print ("query_by_device_file (\"/dev/sda\") -> " + d.get_device_file ());
+
+d = client.query_by_device_file ("/dev/block/8:0");
+print ("query_by_device_file (\"/dev/block/8:0\") -> " + d.get_device_file ());
+
+var mainloop = GLib.main_loop_new ();
+GLib.main_loop_run (mainloop);