def __init__(self,
udpPort,
backupDir=None,
storeDir=None,
backupTime=None,
bootstrapAddr=None,
bootstrapPort=None):
# Set parameters
self.commPort = udpPort
self.address = socket.gethostbyname(socket.gethostname())
if backupDir != None and storeDir != None:
# New node - params specified on command line
self.serverPort = udpPort + 500
self.backupDir = backupDir
self.storageDir = storeDir
self.backupTime = backupTime
print "Time: " + str(self.backupTime)
self.saveParams()
else:
# Resuming node - load parameters
try:
self.loadParams()
except IOError:
print "Can't resume node, there is no saved state in this directory!"
exit(1)
# Create and store helper objects
self.reactor = reactor
dataStore = datastore.SQLiteDataStore(str(udpPort) + ".db")
self.comm = ChunkSafeComm(self.commPort, dataStore)
self.backup = BackupDir(self.backupDir, self.storageDir)
self.server = ChunkServer(self.serverPort, self.reactor, os.getcwd())
# Connect to the Entangled network
if bootstrapAddr != None and bootstrapPort != None:
self.comm.joinNetwork([(bootstrapAddr, bootstrapPort)])
else:
self.comm.joinNetwork(None)
# Schedule the backup
self.reactor.callLater(self.secsToBackup(), self.backUp, None)
def sigHandler(signum, frame):
self.reactor.callLater(0, self.backUp, None)
signal.signal(signal.SIGUSR1, sigHandler)
