osd-contiki/backyard/tools/chakana/harness.py

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import errno
import os
import re
import time
import chakana.command
import chakana.error
import chakana.shepherd
import chakana.threads
import chakana.utils
from chakana.debug import *
class Harness:
def __init__(self, chakanaRoot, coojaTimeout, doCompile="True", withGUI="False"):
self._chakanaRoot = os.path.abspath(chakanaRoot)
self._coojaTimeout = coojaTimeout
self._threadManager = chakana.threads.ThreadManager()
self._doCompile = doCompile
self._withGUI = withGUI
debug(MajorEvent, "Chakana harness created")
def start(self):
port = self.startCooja()
self._shepherd = chakana.shepherd.Shepherd(self._threadManager, port)
def startCooja(self):
# COMPILE COOJA AND PLUGIN
if self._doCompile == "True":
for target in ("cooja", "plugin"):
buildCommand = 'cd ' + chakana.command.quote(self._chakanaRoot) + ' && ant compile_' + target
debug(MajorEvent, "Building " + target)
debug(Event, buildCommand)
output = chakana.command.output(buildCommand)
debug(MinorEvent, output)
coojaOutputFile = os.path.join(self._chakanaRoot, "build/cooja.out")
# START COOJA
if os.path.isfile(coojaOutputFile):
os.remove(coojaOutputFile)
coojaThread = CoojaThread(self._threadManager, self._chakanaRoot,
coojaOutputFile, self._coojaTimeout, withGUI=self._withGUI)
coojaThread.start()
return coojaThread.port()
def shepherd(self):
return self._shepherd
def quit(self):
self._shepherd.quit()
def killAllProcesses(self):
self._threadManager.killAll()
def waitForAllThreads(self, timeout):
self._threadManager.waitAll(timeout)
class CoojaThread(chakana.threads.ManagedThread):
def __init__(self, threadManager, chakanaRoot, outputFile,
timeout = 3600, name = "COOJA", withGUI="False", ** kwArgs):
chakana.threads.ManagedThread.__init__(
self, threadManager, name = name, **kwArgs)
self._chakanaRoot = chakanaRoot
self._outputFile = outputFile
self._timeout = timeout
self._port = None
self._withGUI = withGUI
def doRun(self):
debug(MajorEvent, "Starting COOJA")
buildDir = os.path.dirname(self._outputFile)
chakana.utils.makeDirsSafe(buildDir)
contikiRoot = os.path.join(self._chakanaRoot, '../..')
contikiRoot = contikiRoot.replace('/cygdrive/c', 'c:')
if self._withGUI == "True":
coojaCommand = '( cd ' + chakana.command.quote(buildDir) + ' && java -jar ' + \
chakana.command.quote(os.path.join(contikiRoot, 'tools/cooja/dist/cooja.jar')) + ' ' + \
'-external_tools_config=../cooja.chakana.properties ' + \
'-contiki=' + chakana.command.quote(contikiRoot) + ' < /dev/null > ' + \
os.path.basename(self._outputFile) + ' 2>&1 )'
else:
coojaCommand = '( cd ' + chakana.command.quote(buildDir) + ' && java -jar ' + \
chakana.command.quote(os.path.join(contikiRoot, 'tools/cooja/dist/cooja.jar')) + ' ' + \
'-nogui ' + \
'-external_tools_config=../cooja.chakana.properties ' + \
'-contiki=' + chakana.command.quote(contikiRoot) + ' < /dev/null > ' + \
os.path.basename(self._outputFile) + ' 2>&1 )'
debug(Event, coojaCommand)
os.system(coojaCommand)
debug(MajorEvent, "COOJA has finished")
def port(self):
if self._port is None:
laps = 0
debug(Event, "Waiting for COOJA to open server socket")
debug(Debug, "Reading: " + self._outputFile)
while 1:
if self._timeout > 0 and laps > self._timeout:
raise chakana.error.Timeout(self, self._timeout)
logContents = ""
try:
logContents = chakana.utils.readFile(self._outputFile)
except IOError, err:
if err.errno != errno.ENOENT:
raise
match = re.search(r"Chakana server listening on port (\d+).",
logContents)
debug(Debug, "Log contents: " + logContents)
if match:
self._port = int(match.group(1))
debug(Event, "COOJA is now listening on port " + str(self._port))
break
else:
debug(Debug, "Waiting for COOJA to start")
time.sleep(1)
laps += 1
match = re.search(r"Unable to access jarfile",
logContents)
if match:
raise RuntimeError("Could not locate COOJA JAR: " + logContents)
return self._port