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RIOT/dist/tools/pyterm/testbeds/testbeds.py 6.97 KB
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  #!/usr/bin/python2
  # -*- coding: utf-8 -*-
  
  # Copyright (C) 2014  Philipp Rosenkranz <philipp.rosenkranz@fu-berlin.de>
  #
  # This library is free software; you can redistribute it and/or
  # modify it under the terms of the GNU Lesser General Public
  # License as published by the Free Software Foundation; either
  # version 2.1 of the License, or (at your option) any later version.
  #
  # This library 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
  # Lesser General Public License for more details.
  #
  # You should have received a copy of the GNU Lesser General Public
  # License along with this library; if not, write to the Free Software
  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  # 02110-1301 USA
  
  
  import os, re, datetime
  from subprocess import call, Popen, PIPE
  
  
  class Testbed():
      log_dir_name = 'log'
  
      def __init__(self):
          pass
  
      def initCleanWithFlash(self):
          self.stop()
          self.cleanLogs()
          self.flashNodes()
          self.start()
  
      def initClean(self):
          self.cleanLogs()
          self.start()
  
      def flashNodes(self):
          raise NotImplementedError("Inherit from Testbed and implement flashNodes")
  
      def cleanLogs(self):
          raise NotImplementedError("Inherit from Testbed and implement flashNodes")
  
      def archiveLogs(self, experiment = None):
          raise NotImplementedError("Inherit from Testbed and implement flashNodes")
  
      def start(self):
          raise NotImplementedError("Inherit from Testbed and implement flashNodes")
  
      def stop(self):
          raise NotImplementedError("Inherit from Testbed and implement flashNodes")
  
      def defaultArchivePostfix(self, experimentName = None):
          if not experimentName:
              experimentName = "unknown"
          time = datetime.datetime.now().strftime("%Y-%m-%d_%H_%M_%S")
          postfix = "-" + experimentName +"_" + time
          return postfix
  
      def printAndCall(self, cmdString):
          print(cmdString)
          call(cmdString, shell=True)
  
  
  class DESTestbed(Testbed):
      def __init__(self, serverHost = None, serverPort=None, userName = None, flasher = None,
                   hexfilePath = None, pyterm = None, logFilePath = None, hostFile = None):
          self.serverHost = serverHost
          self.serverPort = str(serverPort)
          self.userName = userName
          self.flasher = flasher
          self.hexFilePath = hexfilePath
          self.pyterm = pyterm
          self.logFilePath = logFilePath
          self.hostFile = hostFile
  
      def flashNodes(self):
          self.printAndCall("parallel-ssh -h %s -l %s 'python %s'" % (self.hostFile, self.userName, self.flasher))
  
      def cleanLogs(self):
          self.printAndCall("rm -rf %s/*.log" % (self.logFilePath))
  
      def archiveLogs(self, postfix = None):
          postfix = self.defaultArchivePostfix(postfix)
          logDir = self.logFilePath.split("/")[-1]
          self.printAndCall("cd %s/..; tar -cjf archived_logs%s.tar.bz2 %s/*.log" % (self.logFilePath, postfix, logDir))
  
      def start(self):
          self.printAndCall("parallel-ssh -h %s -l %s 'screen -S pyterm -d -m python %s -ln %s'" % (self.hostFile, self.userName, self.pyterm, self.log_dir_name))
  
      def stop(self):
          self.printAndCall("parallel-ssh -h %s -l %s 'screen -X -S pyterm quit'" % (self.hostFile, self.userName))
  
  class LocalTestbed(Testbed):
      def __init__(self, serverHost = None, serverPort=None, flasher = None, hexfilePath = None, pyterm = None, logFilePath = None):
          self.serverHost = serverHost
          self.serverPort = str(serverPort)
          self.flasher = flasher
          self.hexFilePath = hexfilePath
          self.pyterm = pyterm
          self.logFilePath = logFilePath
  
      def findPorts(self):
          devlist = os.listdir("/dev/")
          regex = re.compile('^ttyUSB')
          return sorted([port for port in devlist if regex.match(port)])
  
      def flashNodes(self):
          self.printAndCall("python %s %s" % (self.flasher, self.hexFilePath))
  
      def cleanLogs(self):
          self.printAndCall("rm -rf %s/*.log" % (self.logFilePath))
  
      def archiveLogs(self, postfix = None):
          postfix = self.defaultArchivePostfix(postfix)
          logDir = self.logFilePath.split("/")[-1]
          self.printAndCall("cd %s/..; tar -cjf archived_logs%s.tar.bz2 %s/*.log" % (self.logFilePath, postfix, logDir))
  
      def start(self):
          portList = self.findPorts()
          for port in portList:
              self.printAndCall("screen -S pyterm-%s -d -m python %s -H %s -rn %s -p /dev/%s -ln %s" % (port, self.pyterm, port, port, port, self.log_dir_name))
  
      def stop(self):
          portList = self.findPorts()
          for port in portList:
              self.printAndCall("screen -X -S pyterm-%s quit" % (port))
  
  class DesVirtTestbed(Testbed):
      def __init__(self, serverHost = None, serverPort=None, desvirtPath = None, topologyName = None, pyterm = None, logFilePath = None):
          self.serverHost = serverHost
          self.serverPort = str(serverPort)
          self.desvirtPath = desvirtPath
          self.topologyName = topologyName
          self.pyterm = pyterm
          self.logFilePath = logFilePath
          self.namePortList = []
  
      def findPorts(self):
          return self.namePortList
  
      def startDesVirtNetwork(self):
          print "executing: " + "./vnet --start --name " + self.topologyName + " in: " + self.desvirtPath
          call("sh -c \"./vnet --define --name " + self.topologyName + "\"", cwd=self.desvirtPath, shell=True)
          stream = Popen("sh -c \"./vnet --start --name " + self.topologyName + "\"", cwd=self.desvirtPath, shell=True, stderr=PIPE).stderr
          pats = r'.*riotnative.*\.elf (\S+) -t (\S+)'
          pattern = re.compile(pats)
          for line in stream:
              match = pattern.match(line)
              if(match):
                  tuple = match.groups()
                  self.namePortList.append((tuple[0], int(tuple[1])))
          self.namePortList = sorted(self.namePortList)
          for tuple in self.namePortList:
              print "name: " + tuple[0] + " port: " + str(tuple[1])
  
      def stopDesVirtNetwork(self):
          call("sh -c \"./vnet --stop --name " + self.topologyName + "\"", cwd=self.desvirtPath, shell=True)
  
      def flashNodes(self):
          pass
  
      def cleanLogs(self):
          self.printAndCall("rm -rf %s/*.log" % (self.logFilePath))
  
      def archiveLogs(self, postfix = None):
          postfix = self.defaultArchivePostfix(postfix)
          logDir = self.logFilePath.split("/")[-1]
          self.printAndCall("cd %s/..; tar -cjf archived_logs%s.tar.bz2 %s/*.log" % (self.logFilePath, postfix, logDir))
  
      def start(self):
          for node in self.namePortList:
              self.printAndCall("screen -S pyterm-%s -d -m python %s -H %s -rn %s -ts %s -ln %s" % (node[0], self.pyterm, node[0], node[0], node[1], self.log_dir_name))
  
      def stop(self):
          print "stop called"
          for node in self.namePortList:
              self.printAndCall("screen -X -S pyterm-%s quit" % (node[0]))
          self.stopDesVirtNetwork()