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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()
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