on close, save objectProcessorQueue to disk
This commit is contained in:
Jonathan Warren
parent
3c79b7bf65
commit
df7116bd72
|
|
@ -982,16 +982,16 @@ class Main:
|
|||
singleWorkerThread.daemon = True # close the main program even if there are threads left
|
||||
singleWorkerThread.start()
|
||||
|
||||
# Start the thread that calculates POWs
|
||||
objectProcessorThread = objectProcessor()
|
||||
objectProcessorThread.daemon = True # close the main program even if there are threads left
|
||||
objectProcessorThread.start()
|
||||
|
||||
# Start the SQL thread
|
||||
sqlLookup = sqlThread()
|
||||
sqlLookup.daemon = False # DON'T close the main program even if there are threads left. The closeEvent should command this thread to exit gracefully.
|
||||
sqlLookup.start()
|
||||
|
||||
# Start the thread that calculates POWs
|
||||
objectProcessorThread = objectProcessor()
|
||||
objectProcessorThread.daemon = False # DON'T close the main program even the thread remains. This thread checks the shutdown variable after processing each object.
|
||||
objectProcessorThread.start()
|
||||
|
||||
# Start the cleanerThread
|
||||
singleCleanerThread = singleCleaner()
|
||||
singleCleanerThread.daemon = True # close the main program even if there are threads left
|
||||
|
|
|
|||
|
|
@ -27,6 +27,23 @@ class objectProcessor(threading.Thread):
|
|||
"""
|
||||
def __init__(self):
|
||||
threading.Thread.__init__(self)
|
||||
"""
|
||||
It may be the case that the last time Bitmessage was running, the user
|
||||
closed it before it finished processing everything in the
|
||||
objectProcessorQueue. Assuming that Bitmessage wasn't closed forcefully,
|
||||
it should have saved the data in the queue into the objectprocessorqueue
|
||||
table. Let's pull it out.
|
||||
"""
|
||||
queryreturn = sqlQuery(
|
||||
'''SELECT objecttype, data FROM objectprocessorqueue''')
|
||||
with shared.objectProcessorQueueSizeLock:
|
||||
for row in queryreturn:
|
||||
objectType, data = row
|
||||
shared.objectProcessorQueueSize += len(data)
|
||||
shared.objectProcessorQueue.put((objectType,data))
|
||||
sqlExecute('''DELETE FROM objectprocessorqueue''')
|
||||
logger.debug('Loaded %s objects from disk into the objectProcessorQueue.' % str(len(queryreturn)))
|
||||
|
||||
|
||||
def run(self):
|
||||
while True:
|
||||
|
|
@ -40,12 +57,28 @@ class objectProcessor(threading.Thread):
|
|||
self.processmsg(data)
|
||||
elif objectType == 'broadcast':
|
||||
self.processbroadcast(data)
|
||||
elif objectType == 'checkShutdownVariable': # is more of a command, not an object type. Is used to get this thread past the queue.get() so that it will check the shutdown variable.
|
||||
pass
|
||||
else:
|
||||
logger.critical('Error! Bug! The class_objectProcessor was passed an object type it doesn\'t recognize: %s' % str(objectType))
|
||||
|
||||
with shared.objectProcessorQueueSizeLock:
|
||||
shared.objectProcessorQueueSize -= len(data) # We maintain objectProcessorQueueSize so that we will slow down requesting objects if too much data accumulates in the queue.
|
||||
#print 'objectProcessorQueueSize:', shared.objectProcessorQueueSize
|
||||
|
||||
if shared.shutdown:
|
||||
time.sleep(.5) # Wait just a moment for most of the connections to close
|
||||
numberOfObjectsThatWereInTheObjectProcessorQueue = 0
|
||||
with SqlBulkExecute() as sql:
|
||||
while shared.objectProcessorQueueSize > 1:
|
||||
objectType, data = shared.objectProcessorQueue.get()
|
||||
sql.execute('''INSERT INTO objectprocessorqueue VALUES (?,?)''',
|
||||
objectType,data)
|
||||
with shared.objectProcessorQueueSizeLock:
|
||||
shared.objectProcessorQueueSize -= len(data) # We maintain objectProcessorQueueSize so that we will slow down requesting objects if too much data accumulates in the queue.
|
||||
numberOfObjectsThatWereInTheObjectProcessorQueue += 1
|
||||
logger.debug('Saved %s objects from the objectProcessorQueue to disk. objectProcessorThread exiting.' % str(numberOfObjectsThatWereInTheObjectProcessorQueue))
|
||||
shared.shutdown = 2
|
||||
break
|
||||
|
||||
def processgetpubkey(self, data):
|
||||
readPosition = 8 # bypass the nonce
|
||||
|
|
|
|||
|
|
@ -25,6 +25,7 @@ class sqlThread(threading.Thread):
|
|||
self.conn = sqlite3.connect(shared.appdata + 'messages.dat')
|
||||
self.conn.text_factory = str
|
||||
self.cur = self.conn.cursor()
|
||||
|
||||
try:
|
||||
self.cur.execute(
|
||||
'''CREATE TABLE inbox (msgid blob, toaddress text, fromaddress text, subject text, received text, message text, folder text, encodingtype int, read bool, UNIQUE(msgid) ON CONFLICT REPLACE)''' )
|
||||
|
|
@ -51,17 +52,15 @@ class sqlThread(threading.Thread):
|
|||
'''CREATE TABLE pubkeys (hash blob, addressversion int, transmitdata blob, time int, usedpersonally text, UNIQUE(hash, addressversion) ON CONFLICT REPLACE)''' )
|
||||
self.cur.execute(
|
||||
'''CREATE TABLE inventory (hash blob, objecttype text, streamnumber int, payload blob, receivedtime integer, tag blob, UNIQUE(hash) ON CONFLICT REPLACE)''' )
|
||||
self.cur.execute(
|
||||
'''CREATE TABLE knownnodes (timelastseen int, stream int, services blob, host blob, port blob, UNIQUE(host, stream, port) ON CONFLICT REPLACE)''' )
|
||||
# This table isn't used in the program yet but I
|
||||
# have a feeling that we'll need it.
|
||||
self.cur.execute(
|
||||
'''INSERT INTO subscriptions VALUES('Bitmessage new releases/announcements','BM-GtovgYdgs7qXPkoYaRgrLFuFKz1SFpsw',1)''')
|
||||
self.cur.execute(
|
||||
'''CREATE TABLE settings (key blob, value blob, UNIQUE(key) ON CONFLICT REPLACE)''' )
|
||||
self.cur.execute( '''INSERT INTO settings VALUES('version','5')''')
|
||||
self.cur.execute( '''INSERT INTO settings VALUES('version','6')''')
|
||||
self.cur.execute( '''INSERT INTO settings VALUES('lastvacuumtime',?)''', (
|
||||
int(time.time()),))
|
||||
self.cur.execute(
|
||||
'''CREATE TABLE objectprocessorqueue (objecttype text, data blob, UNIQUE(objecttype, data) ON CONFLICT REPLACE)''' )
|
||||
self.conn.commit()
|
||||
logger.info('Created messages database file')
|
||||
except Exception as err:
|
||||
|
|
@ -290,6 +289,20 @@ class sqlThread(threading.Thread):
|
|||
with open(shared.appdata + 'keys.dat', 'wb') as configfile:
|
||||
shared.config.write(configfile)
|
||||
|
||||
# Add a new table: objectprocessorqueue with which to hold objects
|
||||
# that have yet to be processed if the user shuts down Bitmessage.
|
||||
item = '''SELECT value FROM settings WHERE key='version';'''
|
||||
parameters = ''
|
||||
self.cur.execute(item, parameters)
|
||||
currentVersion = int(self.cur.fetchall()[0][0])
|
||||
if currentVersion == 5:
|
||||
self.cur.execute( '''DROP TABLE knownnodes''')
|
||||
self.cur.execute(
|
||||
'''CREATE TABLE objectprocessorqueue (objecttype text, data blob, UNIQUE(objecttype, data) ON CONFLICT REPLACE)''' )
|
||||
item = '''update settings set value=? WHERE key='version';'''
|
||||
parameters = (6,)
|
||||
self.cur.execute(item, parameters)
|
||||
|
||||
# Are you hoping to add a new option to the keys.dat file of existing
|
||||
# Bitmessage users? Add it right above this line!
|
||||
|
||||
|
|
|
|||
|
|
@ -57,7 +57,7 @@ def _doFastPoW(target, initialHash):
|
|||
for i in range(pool_size):
|
||||
result.append(pool.apply_async(_pool_worker, args = (i, initialHash, target, pool_size)))
|
||||
while True:
|
||||
if shared.shutdown:
|
||||
if shared.shutdown >= 1:
|
||||
pool.terminate()
|
||||
while True:
|
||||
time.sleep(10) # Don't let this thread return here; it will return nothing and cause an exception in bitmessagemain.py
|
||||
|
|
|
|||
|
|
@ -295,8 +295,12 @@ def isProofOfWorkSufficient(
|
|||
|
||||
def doCleanShutdown():
|
||||
global shutdown
|
||||
shutdown = 1 #Used to tell proof of work worker threads to exit.
|
||||
shutdown = 1 #Used to tell proof of work worker threads and the objectProcessorThread to exit.
|
||||
broadcastToSendDataQueues((0, 'shutdown', 'all'))
|
||||
with shared.objectProcessorQueueSizeLock:
|
||||
data = 'no data'
|
||||
shared.objectProcessorQueueSize += len(data)
|
||||
objectProcessorQueue.put(('checkShutdownVariable',data))
|
||||
|
||||
knownNodesLock.acquire()
|
||||
UISignalQueue.put(('updateStatusBar','Saving the knownNodes list of peers to disk...'))
|
||||
|
|
@ -315,11 +319,16 @@ def doCleanShutdown():
|
|||
'Flushing inventory in memory out to disk. This should normally only take a second...'))
|
||||
flushInventory()
|
||||
|
||||
# This one last useless query will guarantee that the previous flush committed before we close
|
||||
# the program.
|
||||
# Verify that the objectProcessor has finished exiting. It should have incremented the
|
||||
# shutdown variable from 1 to 2. This must finish before we command the sqlThread to exit.
|
||||
while shutdown == 1:
|
||||
time.sleep(.1)
|
||||
|
||||
# This one last useless query will guarantee that the previous flush committed and that the
|
||||
# objectProcessorThread committed before we close the program.
|
||||
sqlQuery('SELECT address FROM subscriptions')
|
||||
sqlStoredProcedure('exit')
|
||||
logger.info('Finished flushing inventory.')
|
||||
sqlStoredProcedure('exit')
|
||||
|
||||
# Wait long enough to guarantee that any running proof of work worker threads will check the
|
||||
# shutdown variable and exit. If the main thread closes before they do then they won't stop.
|
||||
|
|
|
|||
Loading…
Reference in New Issue
Block a user