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Diffstat (limited to 'extras/gudev/gjs-example.js')
-rwxr-xr-x | extras/gudev/gjs-example.js | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/extras/gudev/gjs-example.js b/extras/gudev/gjs-example.js new file mode 100755 index 0000000000..5586fd6a61 --- /dev/null +++ b/extras/gudev/gjs-example.js @@ -0,0 +1,75 @@ +#!/usr/bin/env gjs-console + +// This currently depends on the following patches to gjs +// +// http://bugzilla.gnome.org/show_bug.cgi?id=584558 +// http://bugzilla.gnome.org/show_bug.cgi?id=584560 +// http://bugzilla.gnome.org/show_bug.cgi?id=584568 + +const GUdev = imports.gi.GUdev; +const Mainloop = imports.mainloop; + +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.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 ()); + var 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 ()); + +Mainloop.run('udev-example'); |