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--- vyuka:cviceni:y36sps:semestralky:mandio1 [2009/05/27 17:16] – mandio1
+++ vyuka:cviceni:y36sps:semestralky:mandio1 [2009/05/27 17:22] (current) – mandio1
@@ Line 18: / Line 18: @@
 prace je implementovana v jednom davkovem souboru pri interpreter python. Konfirgurace je v prvnich radcich kodu v konstantach FROM, VERSION, apod.
-zdrojovy kod aplikace je zde:
+zdrojovy kod aplikace je zde: {{:vyuka:cviceni:y36sps:semestralky:snmpcpumeter.tar.gz|}}
-<source lang="python">
+===== Nasazeni =====
-#!/usr/bin/python
+Pro ilustrace moji prace je hlavnim bodem demonstrace jak s praci pracovat coz ukazuje nasladujici video:
+//video se mi neporadilo vlozit na wiki, takze na pozadani zaslu mandio1@fel.cvut.cz//
-	import os, wx, re, threading, time
-	import wx.lib.plot as plot
-	ID_ABOUT = 101
-	ID_EXIT = 110
-	ID_REFRESH = 112
-	TIMER_ID = 100
-	class SnmpGuiClient(wx.Frame):
-		FROM = 'localhost'
-		COMMUNITY = 'public'
-		VERSION = '2c'
-		DATA = [
-			('.1.3.6.1.4.1.2021.11.9.0','red','Users CPU time'),
-			('.1.3.6.1.4.1.2021.11.11.0','blue','System CPU time'),
-			('.1.3.6.1.4.1.2021.11.10.0','green','Idle CPU time')
-		]
-		REFRESH_TIME = 400
-		DATA_QUEUE_LENGTH = 100
-		timer = None
-		plotter = None
-		dataQueue = []
-		def __init__(self,parent,title):
-			self.frame = wx.Frame.__init__(self,parent,wx.ID_ANY, title, size = (400,200))
-			#creating graph
-			plotPanel = wx.Panel(self)
-			plotPanel.SetBackgroundColour("white")
-			vbox = wx.BoxSizer(wx.VERTICAL)
-			plotPanel.SetSizer(vbox)
-			self.plotter = plot.PlotCanvas(plotPanel)
-			vbox.Add(self.plotter, 1, wx.EXPAND | wx.ALL, 5)
-			self.plotter.SetSize(size=(300,300))
-			self.plotter.SetShowScrollbars(True)
-			self.plotter.SetEnableZoom(False)
-			self.plotter.SetEnableGrid(False)
-			self.plotter.SetXSpec(type='none')
-			self.plotter.SetEnableLegend(True)
-			# Creting status bar
-			self.CreateStatusBar() # A StatusBar in the bottom of the window
-			# Setting up the menu.
-			filemenu= wx.Menu()
-			filemenu.Append(ID_ABOUT, "&About"," Information about this program")
-			filemenu.AppendSeparator()
-			filemenu.Append(ID_EXIT,"E&xit"," Terminate the program")
-			actionmenu = wx.Menu()
-			actionmenu.Append(ID_REFRESH, "&Refresh", "Refresh graph")
-			# Creating the menubars.
-			menuBar = wx.MenuBar()
-			menuBar.Append(filemenu,"&File") # Adding the "filemenu" to the MenuBar
-			menuBar.Append(actionmenu,"&Actions") # Adding the "filemenu" to the MenuBar
-			self.SetMenuBar(menuBar)  # Adding the MenuBar to the Frame content.
-			# Start timer
-			self.timer = wx.Timer(self, TIMER_ID)
-			self.timer.Start(self.REFRESH_TIME)
-			wx.EVT_MENU(self, ID_ABOUT, self.OnAbout)
-			wx.EVT_MENU(self, ID_EXIT, self.OnExit)
-			wx.EVT_MENU(self, ID_REFRESH, self.OnRefresh)
-			wx.EVT_TIMER(self, TIMER_ID, self.OnTimer)
-			self.initQueue()
-			self.refresh()
-			self.Centre()
-			self.Show(True)
-		def OnAbout(self,e):
-			d= wx.MessageDialog( self, "A sample editor \n in wxPython","About Sample Editor", wx.OK)
-	 		d.ShowModal()
-			d.Destroy()
-		def OnExit(self,e):
-			self.Close(True)
-		def OnRefresh(self,e):
-			self.refresh()
-		def OnTimer(self,e):
-			self.refresh()
-			self.timer.Start(self.REFRESH_TIME)
-		def initQueue(self):
-			for i in range(0,len(self.DATA)):
-				self.dataQueue.insert(i,[]);
-				for j in range(0,self.DATA_QUEUE_LENGTH):
-					self.dataQueue[i].insert(j,0);
-		def refresh(self):
-			for i in range(0,len(self.DATA)):
-				self.dataQueue[i].pop(0)
-				self.dataQueue[i].append(self.snmpGetInt(self.DATA[i][0]))
-			self.redrawPlot()
-		def snmpGetInt(self,oid):
-			intRe = re.compile("^.*INTEGER: ([0-9]+)$")
-			cmd = "snmpget -c %s -v %s -O s %s %s" % (self.COMMUNITY,self.VERSION,self.FROM,oid)
-			pipe = os.popen(cmd)
-			return int(intRe.match(pipe.read()).group(1))
-		def redrawPlot(self):
-			lines = []
-			for i in range(0,len(self.DATA)):
-				data = []
-				for j in range(0,self.DATA_QUEUE_LENGTH):
-					data.append((j,self.dataQueue[i][j]));
-				lines.insert(i,plot.PolyLine(data, colour=self.DATA[i][1], width=4,legend=self.DATA[i][2]))
-			gc = plot.PlotGraphics(lines, ('CPU Usage %s' % self.FROM), "", "CPU Usage")
-			self.plotter.Draw(gc, xAxis=(0,self.DATA_QUEUE_LENGTH), yAxis=(0,100))
-	#Run main loop
-	if __name__ == '__main__':
-		app = wx.PySimpleApp()
-		frame = SnmpGuiClient(None,"SNMP GUI CLIENT")
-		app.MainLoop()
-</source>
 ===== Presentace =====