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| #!/usr/bin/env python2.7
import sys
import os
import subprocess
import re
import signal
import MySQLdb
import threading
import time
##########################################################################
# class
##########################################################################
class watchSerial(threading.Thread):
''' thread init '''
def __init__(self, name = ''):
threading.Thread.__init__(self)
self.name = name
self._stopevent = threading.Event()
''' main process of the thread '''
def run(self):
while not self._stopevent.isSet():
conn = connectDB()
results = execSQL(conn,'SELECT * FROM evt WHERE type="Receive" ORDER BY tstamp')
for row in results:
idEvt = row["idEvt"]
action = row["action"]
hardName = row["hardName"]
idHard = row["idHard"]
hardKey = row["hardKey"]
serial = row["serial"]
cmd = row["cmd"]
print "[" + str(serial) + "] found evt " + action
print "[" + str(serial) + "] Deleting evt " + str(idEvt)
execSQL(conn,'DELETE FROM evt WHERE idEvt=' + str(idEvt))
closeDB(conn)
''' stop the thread '''
def stop(self):
self._stopevent.set()
class watchEvt(threading.Thread):
''' thread init '''
def __init__(self, name = ''):
threading.Thread.__init__(self)
self.name = name
self._stopevent = threading.Event()
''' main process of the thread '''
def run(self):
while not self._stopevent.isSet():
conn = connectDB()
results = execSQL(conn,'SELECT * FROM evt WHERE type="Send" OR type="Ring" OR type="Sys" ORDER BY tstamp')
for row in results:
idEvt = row["idEvt"]
action = row["action"]
hardName = row["hardName"]
idHard = row["idHard"]
hardKey = row["hardKey"]
serial = row["serial"]
cmd = row["cmd"]
if (action == "ring"):
print "[" + str(serial) + "] found evt " + action
res = execSQL(conn,'SELECT * FROM conf WHERE idConf=1')
for conf in res:
appPath = conf['appPath']
ringFile = conf['ringFile']
ring(appPath,ringFile,serial)
if (action == "sys"):
print "[" + str(serial) + "] found evt " + action
execSys(cmd,serial)
print "[" + str(serial) + "] Deleting evt " + str(idEvt)
execSQL(conn,'DELETE FROM evt WHERE idEvt=' + str(idEvt))
closeDB(conn)
''' self._stopevent.wait(1.0) '''
''' stop the thread '''
def stop(self):
self._stopevent.set()
##########################################################################
# functions
##########################################################################
''' execute a system command on host '''
def execSys(sysCmd,serial):
print "[" + str(serial) + "] Executing sys cmd: " + str(sysCmd)
os.system(sysCmd)
''' execute ring bell '''
def ring(appPath,ringFile,serial):
conf = appPath + "/config/mplayer.conf"
file = appPath + "/ringtones/" + ringFile;
ret = subprocess.Popen("ps -aef | grep mplayer | grep -v grep | awk '{print $2}'", shell=True, stdout=subprocess.PIPE)
ps = ret.stdout.read() . rstrip('\n')
ret.stdout.close()
val = re.search(r"(\d+)", ps)
if val:
print "[" + str(serial) + "] Already ringing ..."
else:
os.system("mplayer -include " + conf + " " + file + " &")
print "[" + str(serial) + "] Ringing"
''' connect to DB '''
def connectDB():
try:
conn = MySQLdb.connect(
host = "127.0.0.1",
user = "xxxx",
passwd = "xxxx",
db = "xxxx"
)
return conn
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
sys.exit(1)
''' execute sql queries '''
def execSQL(conn,query):
try:
cursor = conn.cursor(MySQLdb.cursors.DictCursor)
cursor.execute(query)
rows = cursor.fetchall()
cursor.close()
return rows
except MySQLdb.Error, e:
print "Error %d: %s" % (e.args[0], e.args[1])
sys.exit(1)
''' disconnect from DB '''
def closeDB(conn):
conn.close()
##########################################################################
# main program
##########################################################################
if __name__=='__main__':
try:
watchEvtT = watchEvt('watchEvt')
watchSerialT = watchSerial('watchSerial')
watchEvtT.start()
watchSerialT.start()
except KeyboardInterrupt:
print "Ctrl-C pressed, exiting"
watchEvtT.stop()
watchSerialT.stop()
sys.exit() |
threading et écouteur d'événements
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