/usr/lib/python3/dist-packages/Glacier2.py is in python3-zeroc-ice 3.6.3-5.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 | # **********************************************************************
#
# Copyright (c) 2003-2016 ZeroC, Inc. All rights reserved.
#
# This copy of Ice is licensed to you under the terms described in the
# ICE_LICENSE file included in this distribution.
#
# **********************************************************************
"""
Glacier2 module
"""
import threading, traceback, copy
#
# Import the Python extension.
#
import Ice
Ice.updateModule("Glacier2")
import Glacier2_Router_ice
import Glacier2_Session_ice
import Glacier2_PermissionsVerifier_ice
import Glacier2_SSLInfo_ice
import Glacier2_Metrics_ice
class SessionNotExistException(Exception):
def __init__(self):
pass
class RestartSessionException(Exception):
def __init__(self):
pass
class ConnectionCallbackI(Ice.ConnectionCallback):
def __init__(self, app):
self._app = app
def heartbeat(self, conn):
pass
def closed(self, conn):
self._app.sessionDestroyed()
class Application(Ice.Application):
def __init__(self, signalPolicy=0): # HandleSignals=0
'''The constructor accepts an optional argument indicating
whether to handle signals. The value should be either
Application.HandleSignals (the default) or
Application.NoSignalHandling.
'''
if type(self) == Application:
raise RuntimeError("Glacier2.Application is an abstract class")
Ice.Application.__init__(self, signalPolicy)
Application._adapter = None
Application._router = None
Application._session = None
Application._createdSession = False
Application._category = None
def run(self, args):
raise RuntimeError('run should not be called on Glacier2.Application - call runWithSession instead')
def runWithSession(self, args):
raise RuntimeError('runWithSession() not implemented')
def createSession(self, args):
raise RuntimeError('createSession() not implemented')
def restart(self):
raise RestartSessionException()
def sessionDestroyed(self):
pass
def router(self):
return Application._router
router = classmethod(router)
def session(self):
return Application._session
session = classmethod(session)
def categoryForClient(self):
if Application._router == None:
raise SessionNotExistException()
return Application._category
def createCallbackIdentity(self, name):
return Ice.Identity(name, self.categoryForClient())
def addWithUUID(self, servant):
return self.objectAdapter().add(servant, self.createCallbackIdentity(Ice.generateUUID()))
def objectAdapter(self):
if Application._router == None:
raise SessionNotExistException()
if Application._adapter == None:
Application._adapter = self.communicator().createObjectAdapterWithRouter("", Application._router)
Application._adapter.activate()
return Application._adapter
def doMainInternal(self, args, initData):
# Reset internal state variables from Ice.Application. The
# remainder are reset at the end of this method.
Ice.Application._callbackInProgress = False
Ice.Application._destroyed = False
Ice.Application._interrupted = False
restart = False
status = 0
try:
Ice.Application._communicator = Ice.initialize(args, initData)
Application._router = RouterPrx.uncheckedCast(Ice.Application.communicator().getDefaultRouter())
if Application._router == None:
Ice.getProcessLogger().error("no glacier2 router configured")
status = 1
else:
#
# The default is to destroy when a signal is received.
#
if Ice.Application._signalPolicy == Ice.Application.HandleSignals:
Ice.Application.destroyOnInterrupt()
# If createSession throws, we're done.
try:
Application._session = self.createSession()
Application._createdSession = True
except Ice.LocalException:
Ice.getProcessLogger().error(traceback.format_exc())
status = 1
if Application._createdSession:
acmTimeout = 0
try:
acmTimeout = Application._router.getACMTimeout()
except(Ice.OperationNotExistException):
pass
if acmTimeout <= 0:
acmTimeout = Application._router.getSessionTimeout()
if acmTimeout > 0:
connection = Application._router.ice_getCachedConnection()
assert(connection)
connection.setACM(acmTimeout, Ice.Unset, Ice.ACMHeartbeat.HeartbeatAlways)
connection.setCallback(ConnectionCallbackI(self))
Application._category = Application._router.getCategoryForClient()
status = self.runWithSession(args)
# We want to restart on those exceptions which indicate a
# break down in communications, but not those exceptions that
# indicate a programming logic error (ie: marshal, protocol
# failure, etc).
except(RestartSessionException):
restart = True
except(Ice.ConnectionRefusedException, Ice.ConnectionLostException, Ice.UnknownLocalException, \
Ice.RequestFailedException, Ice.TimeoutException):
Ice.getProcessLogger().error(traceback.format_exc())
restart = True
except:
Ice.getProcessLogger().error(traceback.format_exc())
status = 1
#
# Don't want any new interrupt and at this point (post-run),
# it would not make sense to release a held signal to run
# shutdown or destroy.
#
if Ice.Application._signalPolicy == Ice.Application.HandleSignals:
Ice.Application.ignoreInterrupt()
Ice.Application._condVar.acquire()
while Ice.Application._callbackInProgress:
Ice.Application._condVar.wait()
if Ice.Application._destroyed:
Ice.Application._communicator = None
else:
Ice.Application._destroyed = True
#
# And _communicator != None, meaning will be destroyed
# next, _destroyed = True also ensures that any
# remaining callback won't do anything
#
Ice.Application._condVar.release()
if Application._createdSession and Application._router:
try:
Application._router.destroySession()
except (Ice.ConnectionLostException, SessionNotExistException):
pass
except:
Ice.getProcessLogger().error("unexpected exception when destroying the session " + \
traceback.format_exc())
Application._router = None
if Ice.Application._communicator:
try:
Ice.Application._communicator.destroy()
except:
getProcessLogger().error(traceback.format_exc())
status = 1
Ice.Application._communicator = None
# Reset internal state. We cannot reset the Application state
# here, since _destroyed must remain true until we re-run
# this method.
Application._adapter = None
Application._router = None
Application._session = None
Application._createdSession = False
Application._category = None
return (restart, status)
def doMain(self, args, initData):
# Set the default properties for all Glacier2 applications.
initData.properties.setProperty("Ice.RetryIntervals", "-1")
restart = True
ret = 0
while restart:
# A copy of the initialization data and the string seq
# needs to be passed to doMainInternal, as these can be
# changed by the application.
id = copy.copy(initData)
if id.properties:
id.properties = id.properties.clone()
argsCopy = args[:]
(restart, ret) = self.doMainInternal(argsCopy, initData)
return ret
|