From 6c6c34d05a75954c07314bc4bdf3f87cb2729ddf Mon Sep 17 00:00:00 2001
From: Mattias Andrée <maandree@operamail.com>
Date: Mon, 3 Mar 2014 16:20:00 +0100
Subject: misc
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
Signed-off-by: Mattias Andrée <maandree@operamail.com>
---
TODO | 9 ------
src/plugins/cpuonline.py | 52 +++++++++++++++++++++++++++++++++++
src/plugins/snmp.py | 71 ++++++++++++++++++++++++++++++++++++++++++++++++
src/plugins/snmp6.py | 63 ++++++++++++++++++++++++++++++++++++++++++
src/plugins/softirqs.py | 64 +++++++++++++++++++++++++++++++++++++++++++
src/plugins/vmstat.py | 62 ++++++++++++++++++++++++++++++++++++++++++
src/util.py | 17 ++++++++++++
7 files changed, 329 insertions(+), 9 deletions(-)
create mode 100644 src/plugins/cpuonline.py
create mode 100644 src/plugins/snmp.py
create mode 100644 src/plugins/snmp6.py
create mode 100644 src/plugins/softirqs.py
create mode 100644 src/plugins/vmstat.py
diff --git a/TODO b/TODO
index da7e0eb..90d4a0f 100644
--- a/TODO
+++ b/TODO
@@ -24,22 +24,13 @@ List of plugins to implement:
Keyboard layout
EWMH
/proc/interrupts
- /proc/softirqs
- /proc/sys/kernel/pty/nr
/proc/net/dev
/proc/net/sockstat
/proc/net/sockstat6
- /proc/net/snmp
- /proc/net/snmp6
/proc/net/wireless
/sys/class/net/<nic>/duplex (half, full)
/proc/cpuinfo (cpu MHz)
/sys/devices/system/cpu/cpu<index>/cpufreq/ (some parts requires root)
- /sys/devices/system/cpu/offline
- /sys/devices/system/cpu/online
- /sys/devices/system/cpu/possible
- /sys/devices/system/cpu/present
- /proc/vmstat
/proc/sys/fs/dentry-state
This file contains information about the status of the directory
cache (dcache). The file contains six numbers, nr_dentry, nr_unused,
diff --git a/src/plugins/cpuonline.py b/src/plugins/cpuonline.py
new file mode 100644
index 0000000..75e8bed
--- /dev/null
+++ b/src/plugins/cpuonline.py
@@ -0,0 +1,52 @@
+# -*- 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/>.
+'''
+
+from util import *
+
+
+class CPUOnline:
+ '''
+ Online CPU listing
+
+ @variable offline:list<int> Offline CPU:s
+ @variable online:list<int> Online CPU:s
+ @variable possible:list<int> Possible CPU:s
+ @variable present:list<int> Present CPU:s
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ def expand(data):
+ if '-' not in data:
+ return [int(data)]
+ range_ = lambda a, b : list(range(a, b + 1))
+ return range_(*[int(x) for x in data.split('-')])
+
+ data = []
+ for filename in ('offline', 'online', 'possible', 'present'):
+ with open('/sys/devices/system/cpu/online', 'rb') as file:
+ data.append(file.read())
+ data = [x.decode('utf-8', 'replace').replace('\n', ' ').replace(',', ' ') for x in data]
+ data = [reduce(lambda x, y : x + y, map(expand, x.split(' '))) for x in data]
+
+ (self.offline, self.online, self.possible, self.present) = data
+
diff --git a/src/plugins/snmp.py b/src/plugins/snmp.py
new file mode 100644
index 0000000..dd73583
--- /dev/null
+++ b/src/plugins/snmp.py
@@ -0,0 +1,71 @@
+# -*- 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/>.
+'''
+
+from util import *
+
+
+class SNMP:
+ '''
+ IPv4 SNMP data
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ snmp = None
+ with open('/proc/net/snmp', 'rb') as file:
+ snmp = file.read()
+ snmp = snmp.decode('utf-8', 'replace')
+
+ filter_ = lambda array : filter(lambda x : not x == '', array)
+ snmp = list(map(lambda x : x.split(' '), filter_(snmp.split('\n'))))
+ snmp_h = filter(lambda i : i % 2 == 0, range(len(snmp)))
+ snmp_d = filter(lambda i : i % 2 == 0, range(len(snmp)))
+ snmp_h = list(map(lambda i : snmp[i], snmp_h))
+ snmp_d = list(map(lambda i : snmp[i], snmp_d))
+ snmp = zip(snmp_h, snmp_d)
+
+ self.__info = {}
+ for header_list, data_list in snmp:
+ prefix = header_list[0][:-1]
+ for suffix, value in zip(header_list[1:], data_list[1:]):
+ self.__info[prefix + suffix] = int(value)
+
+
+ def __contains__(self, key):
+ '''
+ Get whether or not a key is available
+
+ @param key:str The key
+ @return :bool The availability
+ '''
+ return key in self.__info
+
+
+ def __getitem__(self, key):
+ '''
+ Lookup a field from '/proc/net/snmp'
+
+ @param key:str The field name
+ @return :int The value of the field
+ '''
+ return self.__info[key]
+
diff --git a/src/plugins/snmp6.py b/src/plugins/snmp6.py
new file mode 100644
index 0000000..99ccfaa
--- /dev/null
+++ b/src/plugins/snmp6.py
@@ -0,0 +1,63 @@
+# -*- 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/>.
+'''
+
+from util import *
+
+
+class SNMP6:
+ '''
+ IPv6 SNMP data
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ snmp6 = None
+ with open('/proc/net/snmp6', 'rb') as file:
+ snmp6 = file.read()
+ snmp6 = snmp6.decode('utf-8', 'replace')
+ filter_ = lambda array : filter(lambda x : not x == '', array)
+ snmp6 = map(lambda x : filter_(x.split(' ')), filter_(snmp6.split('\n')))
+
+ self.__info = {}
+ for field, value in snmp6:
+ self.__info[field] = int(value)
+
+
+ def __contains__(self, key):
+ '''
+ Get whether or not a key is available
+
+ @param key:str The key
+ @return :bool The availability
+ '''
+ return key in self.__info
+
+
+ def __getitem__(self, key):
+ '''
+ Lookup a field from '/proc/net/snmp6'
+
+ @param key:str The field name
+ @return :int The value of the field
+ '''
+ return self.__info[key]
+
diff --git a/src/plugins/softirqs.py b/src/plugins/softirqs.py
new file mode 100644
index 0000000..2adb191
--- /dev/null
+++ b/src/plugins/softirqs.py
@@ -0,0 +1,64 @@
+# -*- 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/>.
+'''
+
+from util import *
+
+
+class SoftIRQs:
+ '''
+ Data from /proc/softirqs
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ softirqs = None
+ with open('/proc/softirqs', 'rb') as file:
+ softirqs = file.read()
+ softirqs = softirqs.decode('utf-8', 'replace')
+
+ filter_ = lambda array : filter(lambda x : not x == '', array)
+ softirqs = map(lambda x : x.split(' '), filter_(softirqs.split('\n')[1:]))
+
+ self.__info = {}
+ for line in softirqs:
+ self.__info[line[0][:-1]] = [int(x) for x in line[1:]]
+
+
+ def __contains__(self, key):
+ '''
+ Get whether or not a key is available
+
+ @param key:str The key
+ @return :bool The availability
+ '''
+ return key in self.__info
+
+
+ def __getitem__(self, key):
+ '''
+ Lookup a field from '/proc/softirqs'
+
+ @param key:str The field name
+ @return :list<int> The value of the field, for each processor
+ '''
+ return self.__info[key]
+
diff --git a/src/plugins/vmstat.py b/src/plugins/vmstat.py
new file mode 100644
index 0000000..7b522e6
--- /dev/null
+++ b/src/plugins/vmstat.py
@@ -0,0 +1,62 @@
+# -*- 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/>.
+'''
+
+from util import *
+
+
+class VMStat:
+ '''
+ Various virtual memory statistics
+ '''
+
+
+ def __init__(self):
+ '''
+ Constructor
+ '''
+ vmstat = None
+ with open('/proc/vmstat', 'rb') as file:
+ vmstat = file.read()
+ vmstat = vmstat.decode('utf-8', 'replace')
+ vmstat = map(lambda x : x.split(' '), filter(lambda x : not x == '', vmstat.split('\n')))
+
+ self.__info = {}
+ for field, value in vmstat:
+ self.__info[field] = int(value)
+
+
+ def __contains__(self, key):
+ '''
+ Get whether or not a key is available
+
+ @param key:str The key
+ @return :bool The availability
+ '''
+ return key in self.__info
+
+
+ def __getitem__(self, key):
+ '''
+ Lookup a field from '/proc/vmstat'
+
+ @param key:str The field name
+ @return :int The value of the field
+ '''
+ return self.__info[key]
+
diff --git a/src/util.py b/src/util.py
index 4698533..6b43e83 100644
--- a/src/util.py
+++ b/src/util.py
@@ -77,3 +77,20 @@ def spawn_read(*command):
if out.endswith('\n'):
out = out[:-1]
return out
+
+
+def reduce(f, items):
+ '''
+ https://en.wikipedia.org/wiki/Fold_(higher-order_function)
+
+ @param f:(¿E?, ¿E?)→¿E? The function
+ @param item:itr<¿E?> The input
+ @return ¿E? The output
+ '''
+ if len(items) < 2:
+ return items
+ rc = items[0]
+ for i in range(1, len(items)):
+ rc = f(rc, items[i])
+ return rc
+
--
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