disk monitor (base code only)

tuned/monitors/monitor_disk.py

@@ -0,0 +1,25 @@
+import tuned.monitors.interface
+
+import os
+
+class DiskMonitor(tuned.monitors.interface.MonitorInterface):
+	@classmethod
+	def _init_available_devices(cls):
+		block_devices = os.listdir("/sys/block")
+		available = set(filter(cls._is_device_supported, block_devices))
+		cls._available_devices = available
+
+	@classmethod
+	def _is_device_supported(cls, device):
+		capability_name = "/sys/block/%s/capability" % device
+		capability = (int) (open(capability_name).read())
+
+		# FIXME: not sure about this
+		# !GENHD_FL_REMOVABLE && !GENHD_FL_CD
+		return (capability & 9) == 0
+
+	@classmethod
+	def update(cls):
+		for device in cls._updating_devices:
+			# TODO
+			cls._load[device] = None