def clockwatcher_main():
syslog.syslog("clockwatcherd: starting clockwatcher_main")
lifetime = timedelta(days=1) #Notif expiration delta
s = Signer("/etc/clockwatcher/shiny.private", "shiny")
addrlist=[]
updates={}
with open("/etc/clockwatcher/clockwatcherd.cfg","r") as cfg:
for line in cfg:
addrlist.append(line[:-1]) #remembering to remove trailing \n
while 1:
# Synchronize to next whole minute
starttime = time.localtime()
time.sleep(60-starttime.tm_sec)
currtime = datetime.now()+ timedelta(seconds=30) # Force rounding in case we're early
timemsg = currtime.strftime("It is now %H:%M")
notif = Notification(4, lifetime, timemsg, timemsg + " and all is well") # Need to add expiration here
notif.prepare(s)
# For now, minimizing the possibility of a collision between this daemon and new authorizations coming in
# by reading the additional authorizations from a separate file and adding them on here. Only the daemon
# touches the main clockwatcherd.cfg file.
rewrite = False
try:
with open("/etc/clockwatcher/newwatchers.cfg","r") as cfg:
for line in cfg:
newaddr = line
if newaddr not in addrlist: #Handle unlikely duplicates
addrlist.append(newaddr)
rewrite = True
except IOError:
pass
except:
syslog.syslog("clockwatcherd: Unknown error opening newwatchers file")
quit()
if rewrite:
cfg=open("/etc/clockwatcher/newwatchers.cfg","w") #Clobber newwatchers file
cfg.close()
with open("/etc/clockwatcher/clockwatcherd.cfg","w") as cfg: #Update config with new watchers
for idx in range(len(addrlist)):
if addrlist[idx] != "":
cfg.write(addrlist[idx])
cfg.write("\n")
rewrite = False
for idx in range(len(addrlist)):
notaddr = addrlist[idx]
if notaddr == "":
continue
if notaddr in updates: #update an existing notif if possible
notid = updates[notaddr]
status = notif.update(notid)
if status == 404: #if 404 delete notid from updates
del updates[notaddr]
if notaddr not in updates: #not an else because it could have just been removed
# TODO: Handle exceptions (can't connect, etc.) here
(notid, status) = notif.send(notaddr) #Need to get feedback on send failures, delete notaddr
if status == 404:
addrlist[idx]="" #Don't delete entry from addrlist inside loop, just blank it
rewrite = True #Disk copy of list needs updating
elif status == 200:
updates[notaddr] = notid
if rewrite: #Update disk copy of list, removing any blank addresses
with open("/etc/clockwatcher/clockwatcherd.cfg","w") as cfg:
for idx in range(len(addrlist)):
if addrlist[idx] != "":
cfg.write(addrlist[idx])
cfg.write("\n")
def clockwatcher_main():
syslog.syslog("clockwatcherd: starting clockwatcher_main")
lifetime = timedelta(days=1) #Notif expiration delta
s = Signer("/etc/clockwatcher/shiny.private", "shiny")
addrlist = []
updates = {}
with open("/etc/clockwatcher/clockwatcherd.cfg", "r") as cfg:
for line in cfg:
addrlist.append(line[:-1]) #remembering to remove trailing \n
while 1:
# Synchronize to next whole minute
starttime = time.localtime()
time.sleep(60 - starttime.tm_sec)
currtime = datetime.now() + timedelta(
seconds=30) # Force rounding in case we're early
timemsg = currtime.strftime("It is now %H:%M")
notif = Notification(4, lifetime, timemsg, timemsg +
" and all is well") # Need to add expiration here
notif.prepare(s)
# For now, minimizing the possibility of a collision between this daemon and new authorizations coming in
# by reading the additional authorizations from a separate file and adding them on here. Only the daemon
# touches the main clockwatcherd.cfg file.
rewrite = False
try:
with open("/etc/clockwatcher/newwatchers.cfg", "r") as cfg:
for line in cfg:
newaddr = line
if newaddr not in addrlist: #Handle unlikely duplicates
addrlist.append(newaddr)
rewrite = True
except IOError:
pass
except:
syslog.syslog(
"clockwatcherd: Unknown error opening newwatchers file")
quit()
if rewrite:
cfg = open("/etc/clockwatcher/newwatchers.cfg",
"w") #Clobber newwatchers file
cfg.close()
with open("/etc/clockwatcher/clockwatcherd.cfg",
"w") as cfg: #Update config with new watchers
for idx in range(len(addrlist)):
if addrlist[idx] != "":
cfg.write(addrlist[idx])
cfg.write("\n")
rewrite = False
for idx in range(len(addrlist)):
notaddr = addrlist[idx]
if notaddr == "":
continue
if notaddr in updates: #update an existing notif if possible
notid = updates[notaddr]
status = notif.update(notid)
if status == 404: #if 404 delete notid from updates
del updates[notaddr]
if notaddr not in updates: #not an else because it could have just been removed
# TODO: Handle exceptions (can't connect, etc.) here
(notid, status) = notif.send(
notaddr
) #Need to get feedback on send failures, delete notaddr
if status == 404:
addrlist[
idx] = "" #Don't delete entry from addrlist inside loop, just blank it
rewrite = True #Disk copy of list needs updating
elif status == 200:
updates[notaddr] = notid
if rewrite: #Update disk copy of list, removing any blank addresses
with open("/etc/clockwatcher/clockwatcherd.cfg", "w") as cfg:
for idx in range(len(addrlist)):
if addrlist[idx] != "":
cfg.write(addrlist[idx])
cfg.write("\n")
