class Log(object):
_subp = None
def __init__(self, outputs=None):
if outputs != None:
self.outputs = outputs
else:
self.outputs = [StdOut()]
self.logQueue = Queue()
self.done = Value('B', False)
def start(self):
self._subp = Process(target=self.runLogQueue)
self._subp.start()
def serve(self, port=16180):
self.lsf = LogServerStarter(self)
self.lsf.start(port)
def writeLog(self, tag, message):
""" Performs the IO operation of logging """
map(lambda o: o.write(tag, message), self.outputs)
def log(self, tag, message):
""" Adds a log item to the log """
self.logQueue.put((tag, message))
def runLogQueue(self):
while not self.done.value:
try:
content = self.logQueue.get_nowait()
(tag, message) = content
self.writeLog(tag, message)
except Empty:
pass
def close(self):
self.done.value = True
map(lambda o: o.close(), self.outputs)
def addLog(self, log):
self.outputs.append(log)
def serve(self, port=16180):
self.lsf = LogServerStarter(self)
self.lsf.start(port)