#!/usr/local/bin/python
#
# Simple Zope monitoring script.
# Jason C. Leach. Canada.
#


import string, os

def ScanLines(token, command):
    #print 'in ScanLines'

    Status = 0

    # fetch data
    Lines = PipeInput(command)

    # cycle through the input
    for line in Lines:
        # if a line contains the 'daemons' name, just exit gracefully.
        Status = string.find(line, token)
        #print Status
        #print line
        # should exit
        if Status >= 0:
            Status = 1
            break
        else:
            Status = 0

    #print 'done ScanLines'
    return Status

def PipeInput(command):
    # check to make sure the disks are not to full.
    #print 'int PipeInput'

    # variable decleration
    Lines = []

    # open pipe to os command
    pipe = os.popen(command, 'r')

    # fetch input
    Lines = pipe.readlines()

    # close the pipe
    pipe.close()

    return Lines
    
def GetPid(FILE):
    
    fin = open(FILE, 'r')
    
    pid = fin.readline()
    
    fin.close()
    
    return pid
    
    
    
if __name__ == '__main__':
    
    TOKEN = 'Zope'
    ZOPEPID = '/usr/local/www/Zope/var/zProcessManager.pid'
    CMD = 'ps -p ' + GetPid(ZOPEPID) + ' | grep Zope'
    SCRIPT = ' /usr/local/etc/rc.d/zope.sh start'
    
    
    
    Status = ScanLines(TOKEN, CMD)
    if not Status:
        os.system(SCRIPT)
    
    #return 1