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class_singleCleaner uses helper_sql

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Grant T. Olson 2013-08-27 08:46:57 -04:00 committed by Grant T. Olson
parent 5b23d99907
commit 9e8cbd0f0e
1 changed files with 29 additions and 41 deletions
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70
src/class_singleCleaner.py
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@ -2,6 +2,7 @@ import threading
import shared import shared
import time import time
import sys import sys
from helper_sql import *
'''The singleCleaner class is a timer-driven thread that cleans data structures to free memory, resends messages when a remote node doesn't respond, and sends pong messages to keep connections alive if the network isn't busy. '''The singleCleaner class is a timer-driven thread that cleans data structures to free memory, resends messages when a remote node doesn't respond, and sends pong messages to keep connections alive if the network isn't busy.
It cleans these data structures in memory: It cleans these data structures in memory:
@ -27,21 +28,21 @@ class singleCleaner(threading.Thread):
timeWeLastClearedInventoryAndPubkeysTables = 0 timeWeLastClearedInventoryAndPubkeysTables = 0
while True: while True:
shared.sqlLock.acquire()
shared.UISignalQueue.put(( shared.UISignalQueue.put((
'updateStatusBar', 'Doing housekeeping (Flushing inventory in memory to disk...)')) 'updateStatusBar', 'Doing housekeeping (Flushing inventory in memory to disk...)'))
for hash, storedValue in shared.inventory.items(): for hash, storedValue in shared.inventory.items():
objectType, streamNumber, payload, receivedTime = storedValue objectType, streamNumber, payload, receivedTime = storedValue
if int(time.time()) - 3600 > receivedTime: if int(time.time()) - 3600 > receivedTime:
t = (hash, objectType, streamNumber, payload, receivedTime,'') sqlExecute(
shared.sqlSubmitQueue.put( '''INSERT INTO inventory VALUES (?,?,?,?,?,?)''',
'''INSERT INTO inventory VALUES (?,?,?,?,?,?)''') hash,
shared.sqlSubmitQueue.put(t) objectType,
shared.sqlReturnQueue.get() streamNumber,
payload,
receivedTime,
'')
del shared.inventory[hash] del shared.inventory[hash]
shared.sqlSubmitQueue.put('commit')
shared.UISignalQueue.put(('updateStatusBar', '')) shared.UISignalQueue.put(('updateStatusBar', ''))
shared.sqlLock.release()
shared.broadcastToSendDataQueues(( shared.broadcastToSendDataQueues((
0, 'pong', 'no data')) # commands the sendData threads to send out a pong message if they haven't sent anything else in the last five minutes. The socket timeout-time is 10 minutes. 0, 'pong', 'no data')) # commands the sendData threads to send out a pong message if they haven't sent anything else in the last five minutes. The socket timeout-time is 10 minutes.
# If we are running as a daemon then we are going to fill up the UI # If we are running as a daemon then we are going to fill up the UI
@ -53,29 +54,20 @@ class singleCleaner(threading.Thread):
timeWeLastClearedInventoryAndPubkeysTables = int(time.time()) timeWeLastClearedInventoryAndPubkeysTables = int(time.time())
# inventory (moves data from the inventory data structure to # inventory (moves data from the inventory data structure to
# the on-disk sql database) # the on-disk sql database)
shared.sqlLock.acquire()
# inventory (clears pubkeys after 28 days and everything else # inventory (clears pubkeys after 28 days and everything else
# after 2 days and 12 hours) # after 2 days and 12 hours)
t = (int(time.time()) - shared.lengthOfTimeToLeaveObjectsInInventory, int( sqlExecute(
time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys) '''DELETE FROM inventory WHERE (receivedtime<? AND objecttype<>'pubkey') OR (receivedtime<? AND objecttype='pubkey') ''',
shared.sqlSubmitQueue.put( int(time.time()) - shared.lengthOfTimeToLeaveObjectsInInventory,
'''DELETE FROM inventory WHERE (receivedtime<? AND objecttype<>'pubkey') OR (receivedtime<? AND objecttype='pubkey') ''') int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
# pubkeys # pubkeys
t = (int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys,) sqlExecute(
shared.sqlSubmitQueue.put( '''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''',
'''DELETE FROM pubkeys WHERE time<? AND usedpersonally='no' ''') int(time.time()) - shared.lengthOfTimeToHoldOnToAllPubkeys)
shared.sqlSubmitQueue.put(t)
shared.sqlReturnQueue.get()
shared.sqlSubmitQueue.put('commit')
t = () queryreturn = sqlQuery(
shared.sqlSubmitQueue.put(
'''select toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent') ''') # If the message's folder='trash' then we'll ignore it. '''select toaddress, toripe, fromaddress, subject, message, ackdata, lastactiontime, status, pubkeyretrynumber, msgretrynumber FROM sent WHERE ((status='awaitingpubkey' OR status='msgsent') AND folder='sent') ''') # If the message's folder='trash' then we'll ignore it.
shared.sqlSubmitQueue.put(t)
queryreturn = shared.sqlReturnQueue.get()
for row in queryreturn: for row in queryreturn:
if len(row) < 5: if len(row) < 5:
with shared.printLock: with shared.printLock:
@ -96,27 +88,23 @@ class singleCleaner(threading.Thread):
shared.UISignalQueue.put(( shared.UISignalQueue.put((
'updateStatusBar', 'Doing work necessary to again attempt to request a public key...')) 'updateStatusBar', 'Doing work necessary to again attempt to request a public key...'))
t = (int( t = ()
time.time()), pubkeyretrynumber + 1, toripe) sqlExecute(
shared.sqlSubmitQueue.put( '''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?''',
'''UPDATE sent SET lastactiontime=?, pubkeyretrynumber=?, status='msgqueued' WHERE toripe=?''') int(time.time()),
shared.sqlSubmitQueue.put(t) pubkeyretrynumber + 1,
shared.sqlReturnQueue.get() toripe)
shared.sqlSubmitQueue.put('commit')
shared.workerQueue.put(('sendmessage', '')) shared.workerQueue.put(('sendmessage', ''))
else: # status == msgsent else: # status == msgsent
if int(time.time()) - lastactiontime > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))): if int(time.time()) - lastactiontime > (shared.maximumAgeOfAnObjectThatIAmWillingToAccept * (2 ** (msgretrynumber))):
print 'It has been a long time and we haven\'t heard an acknowledgement to our msg. Sending again.' print 'It has been a long time and we haven\'t heard an acknowledgement to our msg. Sending again.'
t = (int( sqlExecute(
time.time()), msgretrynumber + 1, 'msgqueued', ackdata) '''UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?''',
shared.sqlSubmitQueue.put( int(time.time()),
'''UPDATE sent SET lastactiontime=?, msgretrynumber=?, status=? WHERE ackdata=?''') msgretrynumber + 1,
shared.sqlSubmitQueue.put(t) 'msgqueued',
shared.sqlReturnQueue.get() ackdata)
shared.sqlSubmitQueue.put('commit')
shared.workerQueue.put(('sendmessage', '')) shared.workerQueue.put(('sendmessage', ''))
shared.UISignalQueue.put(( shared.UISignalQueue.put((
'updateStatusBar', 'Doing work necessary to again attempt to deliver a message...')) 'updateStatusBar', 'Doing work necessary to again attempt to deliver a message...'))
shared.sqlSubmitQueue.put('commit')
shared.sqlLock.release()
time.sleep(300) time.sleep(300)