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Lock daemon to only one process running

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This commit is contained in:
clamsawd 2015-11-16 07:27:01 +01:00
parent d78491a1a7
commit eba92fa9b4
1 changed files with 79 additions and 10 deletions
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89
ip2e-daemon.py
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@ -18,6 +18,7 @@ import os
import sys
import time
import smtplib
import random
#Check if your system use Python 3.x
if sys.version_info<(3,0):
@ -41,10 +42,12 @@ def ClearScreen():
if os.name == "posix":
os.chdir(os.environ["HOME"])
LogFile=os.environ["HOME"]+"/.ip2e/ip2e.log"
LockFile=os.environ["HOME"]+"/.ip2e/ip2e.lock"
print ("POSIX detected")
elif os.name == "nt":
os.chdir(os.environ["USERPROFILE"])
LogFile=os.environ["USERPROFILE"]+"\\.ip2e\\ip2e.log"
LockFile=os.environ["USERPROFILE"]+"\\.ip2e\\ip2e.lock"
print ("Windows detected")
if not os.path.exists(".ip2e"):
@ -104,14 +107,73 @@ except:
print ("Error importing native color scheme")
exit()
#Check if ip2e-daemon is running.
if os.path.isfile("ip2e.lock"):
readLock=open('ip2e.lock', 'r')
LockN=readLock.read()
readLock.close()
ClearScreen()
print ("Checking "+LockFile+"...")
time.sleep(4)
readLock2=open('ip2e.lock', 'r')
LockN2=readLock2.read()
readLock2.close()
if LockN != LockN2:
ClearScreen()
print ("")
print ("ip2e-daemon is already running.")
print ("")
PauseExit=input("Press ENTER to exit ")
exit()
if not os.path.isfile("ip2e.lock"):
createLock=open('ip2e.lock','w')
createLock.write(str(random.randrange(135790)))
createLock.close()
#Function to lock process.
def LockProcess():
createLock=open('ip2e.lock','w')
createLock.write(str(random.randrange(135790)))
createLock.close()
#Function to sleep 60 seconds.
def TimeSleep60():
Time=1
while Time < 60:
createLock=open('ip2e.lock','w')
createLock.write(str(random.randrange(135790)))
createLock.close()
time.sleep(1)
Time=Time + 1
#Function to sleep 10 seconds.
def TimeSleep10():
Time=1
while Time < 10:
createLock=open('ip2e.lock','w')
createLock.write(str(random.randrange(135790)))
createLock.close()
time.sleep(1)
Time=Time + 1
#Function to sleep 10 minutes.
def TimeSleep600():
Time=1
while Time < 600:
createLock=open('ip2e.lock','w')
createLock.write(str(random.randrange(13579)))
createLock.close()
time.sleep(1)
Time=Time + 1
#Check if exists a previous log.file
if os.path.isfile("ip2e.log"):
os.remove("ip2e.log")
createlog=open('ip2e.log','w')
createlog.close()
createlog=open('ip2e.log','w')
createlog.close()
#Run ip2e daemon
ClearScreen()
LockProcess()
editlog=open('ip2e.log','a')
CurrentTime = time.strftime("%H:%M")
GreenColor()
@ -122,7 +184,7 @@ OrangeColor()
print ("[ip2e-daemon] ["+CurrentTime+"] Waiting 60 seconds...")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Waiting 60 seconds...\n")
editlog.close()
time.sleep(60)
TimeSleep60()
PublicIP = 1
while PublicIP <= 2:
@ -130,11 +192,13 @@ while PublicIP <= 2:
while GetCurrentIP <= 2:
CurrentTime = time.strftime("%H:%M")
OrangeColor()
LockProcess()
print ("[ip2e-daemon] ["+CurrentTime+"] IP Updating...")
editlog=open('ip2e.log','a')
editlog.write("[ip2e-daemon] ["+CurrentTime+"] IP Updating...\n")
#Check & get the new IP
try:
LockProcess()
response = urllib.request.urlopen('http://icanhazip.com')
#response = urllib.request.urlopen('http://ip.appspot.com/')
#response = urllib.request.urlopen('http://ident.me')
@ -144,29 +208,34 @@ while PublicIP <= 2:
except:
CurrentTime = time.strftime("%H:%M")
RedColor()
LockProcess()
print ("[ip2e-daemon] ["+CurrentTime+"] Error getting IP")
print ("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Error getting IP\n")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...\n")
time.sleep(10)
TimeSleep10()
#Read IP log file & get the current IP
readfileIP=open('IP.log', 'r')
CurrentIPRaw=readfileIP.read()
CurrentIP=CurrentIPRaw.strip()
readfileIP.close()
LockProcess()
#Check if the IP has been renewed
if CurrentIP == NewIP:
CurrentTime = time.strftime("%H:%M")
GreenColor()
LockProcess()
print ("[ip2e-daemon] ["+CurrentTime+"] IP has not changed")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] IP has not changed\n")
else:
CurrentTime = time.strftime("%H:%M")
GreenColor()
LockProcess()
print ("[ip2e-daemon] ["+CurrentTime+"] New IP - From "+CurrentIP+" to "+NewIP)
editlog.write("[ip2e-daemon] ["+CurrentTime+"] New IP - From "+CurrentIP+" to "+NewIP+"\n")
SendEmailOK = 1
while SendEmailOK <= 2:
LockProcess()
CurrentTime = time.strftime("%H:%M")
#Sending email using smtplib
SmtpSubject = "[ip2e-daemon] ["+CurrentTime+"] IP has changed"
@ -184,12 +253,14 @@ while PublicIP <= 2:
CurrentTime = time.strftime("%H:%M")
MailMessage="[ip2e-daemon] ["+CurrentTime+"] Email was sent successfully"
GreenColor()
LockProcess()
print (MailMessage+" ("+ToEmail+")")
editlog.write(MailMessage+" ("+ToEmail+")\n")
SendEmailOK += 2
except:
CurrentTime = time.strftime("%H:%M")
RedColor()
LockProcess()
print ("[ip2e-daemon] ["+CurrentTime+"] Failed to connect ("+SmtpFromEmail+")")
print ("[ip2e-daemon] ["+CurrentTime+"] Check your settings or your connection")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Failed to connect ("+SmtpFromEmail+")\n")
@ -199,18 +270,16 @@ while PublicIP <= 2:
print ("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...")
editlog.write(MailMessage+" ("+ToEmail+")\n")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Retrying in 10 seconds...\n")
time.sleep(10)
TimeSleep10()
#Remove the previous IP log file & create a new.
os.remove("IP.log")
ip2eIPcf=open('IP.log','w')
ip2eIPcf.close()
ip2eIPcf=open('IP.log','a')
ip2eIPcf.write(NewIP)
ip2eIPcf.close()
#Wait 10 minutes until the next checking
CurrentTime = time.strftime("%H:%M")
GreenColor()
LockProcess()
print ("[ip2e-daemon] ["+CurrentTime+"] Next update in 10 minutes...")
editlog.write("[ip2e-daemon] ["+CurrentTime+"] Next update in 10 minutes...\n")
editlog.close()
time.sleep(600)
TimeSleep600()