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-rw-r--r--src/plugins/dentrystate.py44
1 files changed, 44 insertions, 0 deletions
diff --git a/src/plugins/dentrystate.py b/src/plugins/dentrystate.py
new file mode 100644
index 0000000..6ef5dc7
--- /dev/null
+++ b/src/plugins/dentrystate.py
@@ -0,0 +1,44 @@
+# -*- 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 DentryState:
+ '''
+ Data from /proc/sys/fs/dentry-state
+
+ Information about the status of the directory cache (dcache)
+
+ @variable nr_dentry:int Number of allocated directory entries
+ @variable nr_unused:int Number of unused directory entries
+ @variable age_limit:int Age limit in seconds
+ @variable want_pages:int Pages requested by the system
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ state = None
+ with open('/proc/sys/fs/dentry-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_dentry, self.nr_unused, self.age_limit, self.want_pages, _dummy1, _dummy_2) = state
+