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bf05675a20
GObject libudev access. Initial version from Bastien Nocera, current version by David Zeuthen.
73 lines
2.6 KiB
JavaScript
Executable File
73 lines
2.6 KiB
JavaScript
Executable File
#!/usr/bin/env seed
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// seed example
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const GLib = imports.gi.GLib;
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const GUdev = imports.gi.GUdev;
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function print_device (device) {
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print (" subsystem: " + device.get_subsystem ());
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print (" devtype: " + device.get_devtype ());
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print (" name: " + device.get_name ());
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print (" number: " + device.get_number ());
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print (" sysfs_path: " + device.get_sysfs_path ());
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print (" driver: " + device.get_driver ());
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print (" action: " + device.get_action ());
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print (" seqnum: " + device.get_seqnum ());
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print (" device type: " + device.get_device_type ());
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print (" device number: " + device.get_device_number ());
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print (" device file: " + device.get_device_file ());
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print (" device file symlinks: " + device.get_device_file_symlinks ());
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print (" foo: " + device.get_sysfs_attr_as_strv ("stat"));
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var keys = device.get_property_keys ();
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for (var n = 0; n < keys.length; n++) {
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print (" " + keys[n] + "=" + device.get_property (keys[n]));
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}
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}
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function on_uevent (client, action, device) {
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print ("action " + action + " on device " + device.get_sysfs_path());
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print_device (device);
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print ("");
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}
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var client = new GUdev.Client ({subsystems: ["block", "usb/usb_interface"]});
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client.signal.connect ("uevent", on_uevent);
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var block_devices = client.query_by_subsystem ("block");
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for (var n = 0; n < block_devices.length; n++) {
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print ("block device: " + block_devices[n].get_device_file ());
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}
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var d;
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d = client.query_by_device_number (GUdev.DeviceType.BLOCK, 0x0810);
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if (d == null) {
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print ("query_by_device_number 0x810 -> null");
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} else {
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print ("query_by_device_number 0x810 -> " + d.get_device_file ());
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dd = d.get_parent_with_subsystem ("usb", null);
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print_device (dd);
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print ("--------------------------------------------------------------------------");
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while (d != null) {
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print_device (d);
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print ("");
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d = d.get_parent ();
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}
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}
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d = client.query_by_sysfs_path ("/sys/block/sda/sda1");
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print ("query_by_sysfs_path (\"/sys/block/sda1\") -> " + d.get_device_file ());
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d = client.query_by_subsystem_and_name ("block", "sda2");
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print ("query_by_subsystem_and_name (\"block\", \"sda2\") -> " + d.get_device_file ());
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d = client.query_by_device_file ("/dev/sda");
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print ("query_by_device_file (\"/dev/sda\") -> " + d.get_device_file ());
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d = client.query_by_device_file ("/dev/block/8:0");
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print ("query_by_device_file (\"/dev/block/8:0\") -> " + d.get_device_file ());
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var mainloop = GLib.main_loop_new ();
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GLib.main_loop_run (mainloop);
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