1 files changed, 74 insertions, 0 deletions
diff --git a/monitorplugins/net.py b/monitorplugins/net.py
new file mode 100644
index 0000000..0091b26
--- /dev/null
+++ b/monitorplugins/net.py
@@ -0,0 +1,74 @@
+# Copyright (C) 2008, 2009 Red Hat, Inc.
+# Authors: Phil Knirsch
+#
+# 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 2
+# 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, write to the Free Software
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
+#
+
+import os
+
+class NetMonitor:
+	def __init__(self):
+		self.devices = {}
+		devs = open("/proc/net/dev").readlines()
+		for l in devs:
+			l = l.replace(":", " ")
+			v = l.split()
+			d = v[0]
+			if not d.startswith("eth"):
+				continue
+			self.devices[d] = {}
+			self.devices[d]["new"] = ['0', '0', '0', '0']
+			self.devices[d]["max"] = [70*1024*1024, 1, 70*1024*1024, 1]
+			self.__updateStat__(d)
+			self.devices[d]["max"] = [70*1024*1024, 1, 70*1024*1024, 1]
+		print self.devices
+
+	def __calcdiff__(self, dev):
+		l = []
+		for i in xrange(len(self.devices[dev]["old"])):
+			l.append(int(self.devices[dev]["new"][i]) - int(self.devices[dev]["old"][i]))
+		return l
+
+	def __updateStat__(self, dev):
+		self.devices[dev]["old"] = self.devices[dev]["new"][:]
+		l = open("/sys/class/net/"+dev+"/statistics/rx_bytes", "r").read().strip()
+		self.devices[dev]["new"][0] = l
+		l = open("/sys/class/net/"+dev+"/statistics/rx_packets", "r").read().strip()
+		self.devices[dev]["new"][1] = l
+		l = open("/sys/class/net/"+dev+"/statistics/tx_bytes", "r").read().strip()
+		self.devices[dev]["new"][2] = l
+		l = open("/sys/class/net/"+dev+"/statistics/tx_packets", "r").read().strip()
+		self.devices[dev]["new"][3] = l
+		l = self.__calcdiff__(dev)
+		for i in xrange(len(l)):
+			if l[i] > self.devices[dev]["max"][i]:
+				self.devices[dev]["max"][i] = l[i]
+
+	def __update__(self):
+		for dev in self.devices.keys():
+			self.__updateStat__(dev)
+			self.devices[dev]["diff"] = self.__calcdiff__(dev)
+		
+	def getLoad(self):
+		self.__update__()
+		ret = {}
+		ret["NET"] = {}
+		for dev in self.devices.keys():
+			ret["NET"][dev] = {}
+			ret["NET"][dev]["READ"] = float(self.devices[dev]["diff"][0]) / float(self.devices[dev]["max"][0])
+			ret["NET"][dev]["WRITE"] = float(self.devices[dev]["diff"][2]) / float(self.devices[dev]["max"][2])
+		return ret
+
+_plugin = NetMonitor()