Python守护进程

#!/usr/bin/python
import sys,time,json,logging
import Queue, threading, datetime
from lib.base.daemon import Daemon
from lib.queue.httpsqs.HttpsqsClient import HttpsqsClient
from lib.db.DbMongodb import DbMongodb
logging.basicConfig(level=logging.DEBUG,
format=’%(asctime)s %(filename)s[line:%(lineno)d] %(levelname)s %(message)s’,
datefmt=’%a, %d %b %Y %H:%M:%S’,
filename=’myapp.log’,
filemode=’w’)

queue = Queue.Queue()
httpsqs = HttpsqsClient(‘192.168.0.218′,’1218′,’httpsqs.com’)
db = DbMongodb(‘192.168.0.119′,’testdb’)

class ThreadGetHttpSqs(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.httpsqs = httpsqs
self.queue = queue

def run(self):
while True:
data = self.httpsqs.get(‘logtest’)
if data is not None:
self.queue.put(data)
logging.info(‘get:id %s , tablename %s’ % (self.getName(),data))
else:
time.sleep(3)

class ThreadInsertDB(threading.Thread):
def __init__(self):
threading.Thread.__init__(self)
self.queue = queue
self.db = db

def run(self):
while True:
chunk = self.queue.get()
s = json.loads(chunk)
tablename = s[‘table’]
data = s[‘data’]
self.db.save(tablename,data)
logging.info(‘insert:id %s , tablename %s’ % (self.getName(),tablename))
self.queue.task_done()

class MyDaemon(Daemon):
def _run(self):
while True:
for i in range(2):
t = ThreadGetHttpSqs()
#t.setDaemon(True)
t.start()

for i in range(2):
b = ThreadInsertDB()
#t.setDaemon(True)
b.start()
#线程已经为永真循环,进程不能再循环
time.wait()

if __name__ == “__main__”:
daemon = MyDaemon(‘/tmp/daemon-example.pid’)
if len(sys.argv) == 2:
if ‘start’ == sys.argv[1]:
daemon.start()
elif ‘stop’ == sys.argv[1]:
daemon.stop()
elif ‘restart’ == sys.argv[1]:
daemon.restart()
else:
print “Unknown command”
sys.exit(2)
sys.exit(0)
else:
print “usage: %s start|stop|restart” % sys.argv[0]
sys.exit(2)

Posted in 未分类

发表评论