framework基本都是開發的遠程調用方法
DBUtils.PooledDB 是一個python的mysql數據連接池。後期都改爲SQLAlchemy的連接池了
#coding=utf-8
import sys,Ice,logging
from framework.ProspectEvent import *
from framework.ProductEvent import *
from framework.OrderEvent import *
from DBUtils.PooledDB import PooledDB
import MySQLdb
import settings
import time
import sys,os
from signal import SIGINT,SIGTERM,SIGKILL
def daemonize(stdout='/dev/null',stderr=None,stdin='/dev/nnull',pidfile=None,startmsg='started with pid $d'):
sys.stdout.flush()
sys.stderr.flush()
pid=None
try:
pid=os.fork()
if pid>0:
sys.exit(0)
except OSError,e:
sys.stderr.write("fork #1 failed:(%d) %s/n"%(e.errno,e.strerror))
sys.exit(1)
os.chdir('/')
os.umask(0)
os.setsid()
try:
pid=os.fork()
if pid>0:
sys.exit(0)
except OSError,e:
sys.stderr.write("fork #2 failed:(%d) %s/n"%(e.errno,e.strerror))
sys.exit(1)
if not stderr:
stderr=stdout
si=file(stdin,'r')
so=file(stdout,'a+')
se=file(stderr,'a+',0)
pid=str(os.getpid())
sys.stderr.write("/n%s/n" % startmsg % pid)
sys.stderr.flush()
if pidfile:
file(pidfile,'w+').write("%s/n" % pid)
os.dup2(si.fileno(), sys.stdin.fileno())
os.dup2(so.fileno(), sys.stdout.fileno())
os.dup2(se.fileno(), sys.stderr.fileno())
class DaemonizeError(Exception):
pass
def startstop(stdout='/dev/null', stderr=None, stdin='/dev/null',pidfile='pid.txt', startmsg = 'started with pid %s', action=None ):
if not action and len(sys.argv)>1:
action = sys.argv[1]
if action:
try:
pf = file(pidfile,'r')
pid = int(pf.read().strip())
pf.close()
except IOError:
pid = None
if 'stop' == action or 'restart' == action:
if not pid:
mess = "Could not stop, pid file '%s' missing./n"
raise DaemonizeError(mess % pidfile)
try:
while 1:
print "sending SIGINT to",pid
os.kill(pid,SIGINT)
time.sleep(2)
print "sending SIGTERM to",pid
os.kill(pid,SIGTERM)
time.sleep(2)
print "sending SIGKILL to",pid
os.kill(pid,SIGKILL)
time.sleep(1)
except OSError, err:
print "進程被成功終止..."
os.remove(pidfile)
if 'stop' == action:
return
action='start'#ÖØÐÂÆô¶¯½ø³Ì
pid =None
if 'start'== action:
if pid:
mess =u"進程:'%s'已存在,請確認服務器是否在運行?/n"
raise DaemonizeError(mess % pidfile)
daemonize(stdout,stderr,stdin,pidfile,startmsg)
return
print "ÃüÁî: %s start|stop|restart" % sys.argv[0]
raise DaemonizeError(u"輸入命令無效...")
def run():
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='server.log',
filemode='w')
communicator = Ice.initialize(sys.argv)
adapter = communicator.createObjectAdapterWithEndpoints('Poto','tcp -h 192.168.1.20 -p 10000')
pool = PooledDB(MySQLdb,settings.SRV_DB_MAX,host=settings.SRV_DB_HOST,user=settings.SRV_DB_USER,
passwd=settings.SRV_DB_PASSWORD,db=settings.SRV_DB_NAME,charset=settings.SRV_DB_CHARSETS)
iprospect=IProspectDirectory(pool)
iproduct=IProductDirectory(pool)
iorder=IOrderDirectory(pool)
adapter.add(iprospect,communicator.stringToIdentity('Prospect'))
adapter.add(iproduct,communicator.stringToIdentity('Product'))
adapter.add(iorder,communicator.stringToIdentity('Order'))
adapter.activate()
communicator.waitForShutdown()
sys.stdout.write(u"server is stop:%s",time.ctime(time.time()))
communicator.destroy()
pool.close()
if __name__=="__main__":
startstop(stdout='/tmp/potoserver.log',pidfile='/tmp/daemonize.pid')
if sys.argv[1]in ('start','restart'):
run()