def __MainLoop(self):
""" This function operates in it's own thread, outside of the rest of the class. """
blue.pyos.synchro.Yield()
try:
while self.__killLoop == False:
now = blue.os.GetWallclockTime()
if self.__debugging:
try:
if ClockThis(self.uniqueIDstring + '::SafeThreadLoop',
self.SafeThreadLoop, now) == self.KILL_ME:
self.__killLoop = True
except SystemExit:
raise
except TaskletExit:
self.__killLoop = True
except Exception as inst:
self.__killLoop = True
print 'SafeThread.__MainLoop - Unhandled Exception: ' + self.uniqueIDstring
print 'Repair attempts remaining:', self.MAX_REPAIR_ATTEMPTS - self.repairCount - 1, '\n'
log.LogException()
print traceback.print_tb(sys.exc_info()[2])
print inst
print inst.__doc__
debug.startDebugging()
uthread.new(self.__RestoreSafeThreadLoop)
else:
try:
if ClockThis(self.uniqueIDstring + '::SafeThreadLoop',
self.SafeThreadLoop, now) == self.KILL_ME:
self.__killLoop = True
except SystemExit:
raise
except TaskletExit:
self.__killLoop = True
except Exception as e:
self.__killLoop = True
print 'SafeThread.__MainLoop - Unhandled Exception: ' + self.uniqueIDstring, '\n Debug mode is off, skipping straight to repair'
print 'Repair attempts remaining:', self.MAX_REPAIR_ATTEMPTS - self.repairCount - 1, '\n'
print traceback.print_tb(sys.exc_info()[2])
log.LogException()
uthread.new(self.__RestoreSafeThreadLoop)
self.__thread = None
self.__active = False
self.__killLoop = True
raise e
blue.pyos.synchro.SleepWallclock(self.__sleepTime)
self.__thread = None
self.__active = False
except AttributeError:
sys.exc_clear()
def CallUp(self, packet):
if getattr(packet.destination, 'service', 0):
if packet.payload[1] == 'MachoBindObject':
nodeID = None
else:
nodeID = ClockThis(
'machoNet::GPCS::gpcs.Resolve::CallUp::MachoResolve',
sm.StartServiceAndWaitForRunningState(
packet.destination.service).MachoResolve,
session.GetActualSession())
if type(nodeID) == types.StringType:
if packet.command == const.cluster.MACHONETMSG_TYPE_RESOLVE_REQ:
return packet.Response(0, nodeID)
raise UnMachoDestination("Failed to resolve %s, reason='%s'" %
(packet.destination.service, nodeID))
elif nodeID is None:
if packet.command == const.cluster.MACHONETMSG_TYPE_RESOLVE_REQ:
rsp = packet.Response(1, '')
rsp.source = macho.MachoAddress(
service=packet.destination.service)
return rsp
else:
if packet.command == const.cluster.MACHONETMSG_TYPE_RESOLVE_REQ:
rsp = packet.Response(1, '')
rsp.source = macho.MachoAddress(
nodeID=nodeID, service=packet.destination.service)
return rsp
if nodeID != self.machoNet.GetNodeID():
raise WrongMachoNode(nodeID)
return self.ForwardCallUp(packet)
def HandlePython(self, request, response, filename, files):
oldctxt = bluepy.PushTimer('HTTP::Handle::Pages')
try:
response.header['Expires'] = '0'
response.header['Cache-Control'] = 'private, no-cache'
if request.method == 'HEAD':
log.LogInfo('Got a HEAD request, not executing script...')
else:
modified = max([ os.stat(fullpath).st_mtime for fullpath, f in files ])
if filename not in self.codeCache or modified > self.codeCache[filename][0]:
with bluepy.Timer('HTTP::Handle::ExecFile::' + filename):
import __builtin__
glob = {'__builtins__': __builtin__}
for fn, f in files:
data = f.read().replace('\r\n', '\n')
f.close()
code = compile(data, fn, 'exec', 0, True)
exec code in glob
self.codeCache[filename] = (modified, glob)
else:
glob = self.codeCache[filename][1]
sess = request.session
masque = sess.Masquerade()
if not session.userid and macho.mode != 'client':
raise RuntimeError('\n **********************************************************************\n * SESSION IS BROKED, HAS NO USERID. RESTART YOUR SERVER PAGE BROWSER *\n **********************************************************************\n ')
try:
ClockThis('HTTP::Handle::Pages::' + request.path, glob['Execute'], request, response, sess)
finally:
masque.UnMask()
finally:
bluepy.PopTimer(oldctxt)
def __init__(self, shared, objectID, cachedObject, objectVersion=None):
self.__shared__ = shared
self.__objectID__ = objectID
self.__nodeID__ = sm.GetService('machoNet').GetNodeID()
self.__cachedObject__ = cachedObject
self.__compressed__ = 0
self.__thePickle__ = None
self.__objectVersion__ = (blue.os.GetWallclockTimeNow(), objectVersion)
if (self.__shared__
or objectVersion is None) and macho.mode != 'client':
self.__thePickle__ = blue.marshal.Save(cachedObject)
if len(self.__thePickle__) > 170:
try:
t = ClockThis('machoNet::util.CachedObject::compress',
zlib.compress, self.__thePickle__, 1)
except zlib.error as e:
raise RuntimeError('Compression Failure: ' + strx(e))
if len(t) < len(self.__thePickle__):
self.__thePickle__ = t
self.__compressed__ = 1
if objectVersion is None:
self.__objectVersion__ = (self.__objectVersion__[0],
binascii.crc_hqx(
self.__thePickle__,
macho.version + 170472))
def _LookupConstValue(name, default, justChecking):
if not constMap:
@telemetry.ZONE_FUNCTION
def MakeReverseConstValues(constMap):
sets = [
[cfg.invcategories, 'category', '_categoryName', 'categoryID'],
[cfg.invgroups, 'group', '_groupName', 'groupID'],
[
cfg.invmetagroups.data.itervalues(), 'metaGroup',
'_metaGroupName', 'metaGroupID'
], [cfg.invtypes, 'type', '_typeName', 'typeID'],
[cfg.dgmattribs, 'attribute', 'attributeName', 'attributeID'],
[cfg.dgmeffects, 'effect', 'effectName', 'effectID']
]
for rs, prefix, colName, constID in sets:
for row in rs:
constMap[util.MakeConstantName(getattr(row, colName, ''),
prefix)] = getattr(
row, constID, 0)
ClockThis('^boot::MakeReverseConstValues', MakeReverseConstValues,
constMap)
if justChecking:
return name in constMap or name in const.__dict__
if name in constMap:
return constMap[name]
if name in const.__dict__:
return const.__dict__[name]
if default != '.exception':
return default
raise AttributeError("There's no legacy const value called '%s'" % name)
def GetSession(self, request, response):
try:
if not request.session.userid:
raise AttributeError
return request.session
except AttributeError:
sess = ClockThis('HTTP::Handle::GetSession', GetSession, self, request, response, self.sessionsBySID, self.sessionsByFlatkaka)
if sess:
request.session = sess
return sess
def __init__(self, shared, objectID, cachedObject, objectVersion=None):
"""
shared is true if and only if this is an object that is generally speaking
shared by multiple users, and thus worth keeping around in cache on
proxies.
objectID must be a unique, persistable, comparable identifier that
totally uniquely identifies cachedObject.
objectVersion is added to objectID. Basically, objectID+objectVersion
says "it's this object, and this particular version of it." Only the
most recently received version of an object is stored in cache, replacing
any previous version.
cachedObject is the actual object that is going to be cached. It must be
passable by value.
"""
self.__shared__ = shared
self.__objectID__ = objectID
self.__nodeID__ = sm.GetService('machoNet').GetNodeID()
self.__cachedObject__ = cachedObject
self.__compressed__ = 0
self.__thePickle__ = None
self.__objectVersion__ = (blue.os.GetWallclockTimeNow(), objectVersion)
if (self.__shared__
or objectVersion is None) and macho.mode != 'client':
self.__thePickle__ = blue.marshal.Save(cachedObject)
if len(self.__thePickle__) > 170:
try:
t = ClockThis('machoNet::util.CachedObject::compress',
zlib.compress, self.__thePickle__, 1)
except zlib.error as e:
raise RuntimeError('Compression Failure: ' + strx(e))
if len(t) < len(self.__thePickle__):
self.__thePickle__ = t
self.__compressed__ = 1
if objectVersion is None:
self.__objectVersion__ = (self.__objectVersion__[0],
binascii.crc_hqx(
self.__thePickle__,
macho.version + 170472))
def GetCachableObject(self, shared, objectID, objectVersion, nodeID):
"""
Returns a cached copy of object 'objectID' or returns None if 'objectID' is not found in cache.
If the cached version is older than 'objectVersion': acquire it from node nodeID (through
our proxy, of course, if we're a client).
'shared' is true iff object has been cached in "shared" mode (meaning: a copy is cached on servers and proxies).
Returns a utilCachedObject or objectCaching.CachedObject.
"""
callTimer = base.CallTimer('objectCaching::GetCachableObject')
try:
if macho.mode == 'client':
gpcs = sm.services['machoNet']
else:
gpcs = sm.services['machoNet']
gpcs.GetGPCS()
if objectID in self.cachedObjects and isinstance(
self.cachedObjects[objectID],
utilCachedObject) and macho.mode == 'proxy':
if sm.services['machoNet'].GetTransportOfNode(
self.cachedObjects[objectID].__nodeID__) is None:
del self.cachedObjects[objectID]
if objectID in self.cachedObjects and isinstance(
self.cachedObjects[objectID], uthread.Semaphore
) or objectID not in self.cachedObjects or not isinstance(
self.cachedObjects[objectID],
uthread.Semaphore) and self.__OlderVersion(
self.cachedObjects[objectID].version, objectVersion):
if objectID not in self.cachedObjects or not isinstance(
self.cachedObjects[objectID],
uthread.Semaphore) and self.__OlderVersion(
self.cachedObjects[objectID].version,
objectVersion):
self.cachedObjects[objectID] = uthread.Semaphore(
('objectCaching', objectID))
while 1:
semaphore = self.cachedObjects[objectID]
semaphore.acquire()
try:
if not isinstance(self.cachedObjects[objectID],
uthread.Semaphore):
self.__UpdateStatisticsGetCachableObject(
objectID, objectVersion,
self.cachedObjects[objectID])
return self.cachedObjects[objectID]
if macho.mode == 'client':
if shared:
if not sm.services['machoNet'].myProxyNodeID:
proxyNodeID = nodeID
else:
proxyNodeID = sm.services[
'machoNet'].myProxyNodeID
remoteObject = gpcs.RemoteServiceCall(
session, proxyNodeID, 'objectCaching',
'GetCachableObject', shared, objectID,
objectVersion, nodeID)
else:
remoteObject = gpcs.RemoteServiceCall(
session, nodeID, 'objectCaching',
'GetCachableObject', shared, objectID,
objectVersion, nodeID)
self.cachedObjects[objectID] = remoteObject
self.__CacheIsDirty('cachedObjects', objectID)
elif macho.mode == 'proxy':
remoteObject = gpcs.RemoteServiceCall(
self.session, nodeID, 'objectCaching',
'GetCachableObject', shared, objectID,
objectVersion, nodeID)
if not remoteObject.compressed and len(
remoteObject.pickle) > 200:
try:
t = ClockThis('objectCaching::compress',
zlib.compress,
remoteObject.pickle, 1)
except zlib.error as e:
raise RuntimeError(
'Compression Failure: ' + strx(e))
if len(t) < len(remoteObject.pickle):
remoteObject.compressed = 1
remoteObject.pickle = t
if remoteObject.shared:
self.cachedObjects[objectID] = remoteObject
self.__CacheIsDirty('cachedObjects', objectID)
else:
del self.cachedObjects[objectID]
return remoteObject
elif macho.mode == 'server':
self.LogError(
"Some dude asked me for a cached object I just don't have, objectID=",
objectID, ', objectVersion=', objectVersion,
', nodeID=', nodeID)
del self.cachedObjects[objectID]
raise RuntimeError(
"I don't have %s, which just don't make sense...."
% repr(objectID))
finally:
semaphore.release()
if not isinstance(self.cachedObjects[objectID],
uthread.Semaphore):
self.__UpdateStatisticsGetCachableObject(
objectID, objectVersion,
self.cachedObjects[objectID])
return self.cachedObjects[objectID]
else:
if macho.mode == 'server' and not self.cachedObjects[
objectID].shared:
tmp = self.cachedObjects[objectID]
self.__UpdateStatisticsGetCachableObject(
objectID, objectVersion, self.cachedObjects[objectID])
del self.cachedObjects[objectID]
return tmp
self.__UpdateStatisticsGetCachableObject(
objectID, objectVersion, self.cachedObjects[objectID])
return self.cachedObjects[objectID]
finally:
callTimer.Done()
def HandleConnection(self, ep):
if not hasattr(self, 'caching'):
ClockThis('HTTP::Handle::Init', self.Init)
request = Request(self, ep)
lastRequest = ''
requestCount = 0
sess = None
self.openConnectionsInHttpService.Add()
try:
while 1:
sys.exc_clear()
if request.method != 'HEAD':
response = Response(self, ep)
else:
response = HeadResponse(self, ep)
errfile = None
lastRequest = request.path
try:
ClockThis('HTTP::Handle::request.ParseHeader', request.ParseHeader)
if request.method == 'OPTION':
tmp = request.DumpRequestToList()
self.LogError('OPTION REQUEST, sorry not really an error')
self.LogError('The client %s made this request' % ep.address)
for s in tmp:
self.LogError(s)
response.SendNotImplemented()
continue
requestCount += 1
sess = self.GetSession(request, response)
if sess:
sess.requestCount += 1
else:
continue
if self.HandleCaching(ep, request, response):
continue
response.cookie['flatkaka'] = sess.esps.GetFlatkaka()
filename, files = self.GetFileFromRequest(request)
if not files:
errfile = filename
raise IOError('file %s not found in www roots' % filename)
try:
self.HandleRequestFile(request, response, filename, files)
finally:
for _, f in files:
f.Close()
except GPSTransportClosed:
self.LogInfo('closed retrieving [%s], before that [%s].' % (request.path, lastRequest))
self.LogInfo('Total requests served with this connection: %d' % requestCount)
break
except Exception as ex:
self.HandleException(sess, request, response, ex, errfile)
try:
response.Flush()
if request.proto == 'HTTP/1.0':
break
except GPSTransportClosed:
sys.exc_clear()
self.LogWarn('Trying to send response for [%s] but the connection was closed, prev: %s' % (request.path, lastRequest))
self.LogWarn('Total requests served with this connection: %d' % requestCount)
break
finally:
if not getattr(ep.socket, 'isFake', False):
ep.Close()
self.openConnectionsInHttpService.Dec()
if sess:
if sess.esps.contents.has_key('timeoutTimer'):
if sess.esps.contents['timeoutTimer'] == None:
sess.esps.contents['timeoutTimer'] = 1
uthread.new(self.CheckSessionTimeout, sess, sess.requestCount)
def __init__(self):
chains, self.threadTimes, self.processTimes = ClockThis(
'TaskletSnapshot::GetChains', GetChains)
timers = ClockThis('TaskletSnapshot::TimersFromChains',
TimersFromChains, chains)
self.update(timers)
def ConstValueExists(name):
return ClockThis('SKITMIX::LookupConstValue', _LookupConstValue, name, '', True)
def LookupConstValue(name, default = '.exception'):
return ClockThis('SKITMIX::LookupConstValue', _LookupConstValue, name, default, False)
