def run(host, port, seed) :
smds.initialize(False, seed=seed)
# Connect to parent
parent.connect((host,port))
while (True) :
mx.acquire()
(r,w,e) = select([parent],[],[],0)
if len(r) :
packet = smds.recvMsg(parent)
if not packet :
mx.release()
parent.close()
smds.shutdown()
exit("Error reading from parent.")
(msg, args) = packet
if (msg > maxHandler) :
h = nullHandler
args = (msg,)+args
else : h = handlers[msg]
h(*args)
checkTime()
mx.release()
sleep(1)
def releaseWork(etoc) :
r = smds.Engine.releaseWork(etoc)
if r > 0 :
if not smds.sendMsg(parent, smds.messages['RELEASE'], r) :
mx.release()
smds.msg("Error writing to master.")
parent.close()
smds.shutdown()
exit()
def returnTask(t, worktag) :
mx.acquire()
try : smds.sendMsg(parent, smds.messages['WORK'], worktag, t.strip(True))
except :
mx.release()
smds.msg("Error sending work to master.")
parent.close()
smds.shutdown()
exit()
else :
mx.release()
return None
def checkTime() :
global lastEtoc
etoc = smds.Engine.etoc() - time()
if etoc <= 0 and lastEtoc > 0 :
lastEtoc = 0
return
if etoc > 0 and abs(smds.Engine.etoc()-lastEtoc) > 90.0 :
smds.msg("Notifying master of etoc %f" % etoc, smds.MSG_DBUG)
if not smds.sendMsg(parent, smds.messages['ETOC'],
etoc, smds.Engine.rate()) :
mx.release()
smds.msg("Error writing to master.", smds.MSG_WARN)
parent.close()
smds.shutdown()
exit()
lastEtoc = smds.Engine.etoc()
def quit():
mx.release()
smds.msg("Quit!")
parent.close()
smds.shutdown()
exit()