seed-example.js revision bf05675a2007af645b1998d5b7c60ab7bf2dc1fc
#!/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);