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-rw-r--r--Makefile4
-rw-r--r--TODO8
-rw-r--r--examples/plugins/inodestate34
-rw-r--r--src/plugins/inodestate.py45
4 files changed, 81 insertions, 10 deletions
diff --git a/Makefile b/Makefile
index bd64784..65138b2 100644
--- a/Makefile
+++ b/Makefile
@@ -19,12 +19,12 @@ SRC = __main__ util x
PLUGINS = chase clock cpuifo cpuonline cpu df discstats ipaddress \
kmsg leapsec linereader loadavg lunar mem moc network \
pacman snmp snmp6 softirqs solar uname uptime users \
- vmstat weather xdisplay xkb alsa dentrystate
+ vmstat weather xdisplay xkb alsa dentrystate inodestate
PLUGIN_EXAMPLES = chase clock cpu cpuinfo cpuonline df discstats \
ipaddress kmsg loadavg lunar mem moc network \
pacman uname uptime users xdisplay xkb slsa \
- dentrystate
+ dentrystate inodestate
EXAMPLES = clock mixed moderate plugin-test test xmonad
diff --git a/TODO b/TODO
index 9fbd733..2d96866 100644
--- a/TODO
+++ b/TODO
@@ -36,14 +36,6 @@ List of plugins to implement:
/proc/net/sockstat6
/proc/net/wireless
/sys/class/net/<nic>/duplex (half, full)
- /proc/sys/fs/inode-state
- This file contains seven numbers: nr_inodes, nr_free_inodes,
- preshrink, and four dummy values. nr_inodes is the number of inodes
- the system has allocated. This can be slightly more than inode-max
- because Linux allocates them one page full at a time. nr_free_inodes
- represents the number of free inodes. preshrink is nonzero when the
- nr_inodes > inode-max and the system needs to prune the inode list
- instead of allocating more.
/proc/sys/fs/file-nr
This (read-only) file contains three numbers: the number of allocated
file handles (i.e., the number of files presently opened); the number
diff --git a/examples/plugins/inodestate b/examples/plugins/inodestate
new file mode 100644
index 0000000..8abb0ef
--- /dev/null
+++ b/examples/plugins/inodestate
@@ -0,0 +1,34 @@
+# -*- python -*-
+
+# A xpybar configuration example testing the features of plugins.inodestate
+
+import time
+import threading
+
+from plugins.inodestate import InodeState
+from plugins.clock import Clock
+
+
+OUTPUT, HEIGHT, YPOS, TOP = 0, 12, 24, True
+
+
+clock = Clock(sync_to = Clock.SECONDS)
+
+start_ = start
+def start():
+ start_()
+ async(lambda : clock.continuous_sync(lambda : bar.invalidate()))
+
+
+def redraw():
+ inode_ = InodeState()
+
+ data = [('Inodes', inode_.nr_inodes),
+ ('Free', inode_.nr_free_inodes),
+ ('Preshrink', inode_.preshrink)]
+
+ text = ' │ '.join('%s: %i' % (text, value) for (text, value) in data)
+
+ bar.clear()
+ bar.draw_coloured_text(0, 10, 0, 2, text)
+
diff --git a/src/plugins/inodestate.py b/src/plugins/inodestate.py
new file mode 100644
index 0000000..6c87a77
--- /dev/null
+++ b/src/plugins/inodestate.py
@@ -0,0 +1,45 @@
+# -*- python -*-
+'''
+xpybar – xmobar replacement written in python
+Copyright © 2014 Mattias Andrée (maandree@member.fsf.org)
+
+This program is free software: you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>.
+'''
+
+
+class InodeState:
+ '''
+ Data from /proc/sys/fs/inode-state
+
+ @variable nr_inodes:int The number of inodes the system has allocated.
+ This can be slightly more than inode-max because
+ Linux allocates them one page full at a time.
+ @variable nr_free_inodes:int Tthe number of free inodes
+ @variable preshrink:int Nonzero when the `nr_inodes` is more than inode-max
+ and the system needs to prune the inode list instead
+ of allocating more
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ state = None
+ with open('/proc/sys/fs/inode-state', 'rb') as file:
+ state = file.read()
+ state = state.decode('utf-8', 'replace').replace('\t', ' ')
+ state = [int(field) for field in state.split(' ') if not field == '']
+ (self.nr_inodes, self.nr_free_inodes, self.preshrink, _dummy1, _dummy2, _dummy_3, _dummy_4) = state
+