def CheckAlreadyRunning( self ):
while HydrusData.IsAlreadyRunning( self.db_dir, 'client' ):
self.pub( 'splash_set_status_text', 'client already running' )
def wx_code():
message = 'It looks like another instance of this client is already running, so this instance cannot start.'
message += os.linesep * 2
message += 'If the old instance is closing and does not quit for a _very_ long time, it is usually safe to force-close it from task manager.'
with ClientGUIDialogs.DialogYesNo( self._splash, message, 'The client is already running.', yes_label = 'wait a bit, then try again', no_label = 'forget it' ) as dlg:
if dlg.ShowModal() != wx.ID_YES:
raise HydrusExceptions.PermissionException()
self.CallBlockingToWx( wx_code )
for i in range( 10, 0, -1 ):
if not HydrusData.IsAlreadyRunning( self.db_dir, 'client' ):
break
self.pub( 'splash_set_status_text', 'waiting ' + str( i ) + ' seconds' )
time.sleep( 1 )
def ProcessStartingAction( db_dir, action ):
already_running = HydrusData.IsAlreadyRunning( db_dir, 'server' )
if action == 'start':
if already_running:
HydrusData.Print( 'The server is already running. Would you like to [s]top it, [r]estart it, or e[x]it?' )
answer = raw_input()
if len( answer ) > 0:
answer = answer[0]
if answer == 's':
return 'stop'
elif answer == 'r':
return 'restart'
raise HydrusExceptions.PermissionException( 'Exiting!' )
else:
return action
elif action == 'stop':
if already_running:
return action
else:
raise HydrusExceptions.PermissionException( 'The server is not running, so it cannot be stopped!' )
elif action == 'restart':
if already_running:
return action
else:
return 'start'
def ShutdownSiblingInstance(db_dir):
port_found = False
ports = HydrusData.GetSiblingProcessPorts(db_dir, 'server')
if ports is None:
raise HydrusExceptions.PermissionException(
'Could not figure out the existing server\'s ports, so could not shut it down!'
)
for port in ports:
try:
connection = HydrusNetworking.GetLocalConnection(port, https=True)
connection.request('GET', '/')
response = connection.getresponse()
response.read()
server_name = response.getheader('Server')
except:
text = 'Could not contact existing server\'s port ' + str(
port) + '!'
text += os.linesep
text += traceback.format_exc()
raise HydrusExceptions.PermissionException(text)
if 'server administration' in server_name:
port_found = True
HydrusData.Print(u'Sending shut down instruction\u2026')
connection.request('POST', '/shutdown')
response = connection.getresponse()
result = response.read()
if response.status != 200:
text = 'When told to shut down, the existing server gave an error!'
text += os.linesep
text += result
raise HydrusExceptions.PermissionException(text)
time_waited = 0
while HydrusData.IsAlreadyRunning(db_dir, 'server'):
time.sleep(1)
time_waited += 1
if time_waited > 20:
raise HydrusExceptions.PermissionException(
'Attempted to shut the existing server down, but it took too long!'
)
break
if not port_found:
raise HydrusExceptions.PermissionException(
'The existing server did not have an administration service!')
HydrusData.Print('The existing server is shut down!')
def GetStartingAction():
action = 'help'
args = sys.argv[1:]
if len(args) > 0:
command = args[0]
while command.startswith('-'):
command = command[1:]
if command == 'help':
action = 'help'
else:
already_running = HydrusData.IsAlreadyRunning(HC.DB_DIR, 'server')
if command == 'start':
if already_running:
raise HydrusExceptions.PermissionException(
'The server is already running!')
else:
action = 'start'
elif command == 'stop':
if already_running:
action = 'stop'
else:
raise HydrusExceptions.PermissionException(
'The server is not running, so it cannot be stopped!')
elif command == 'restart':
if already_running:
action = 'restart'
else:
action = 'start'
else:
already_running = HydrusData.IsAlreadyRunning(HC.DB_DIR, 'server')
if not already_running:
action = 'start'
else:
HydrusData.Print(
'The server is already running. Would you like to [s]top it, or [r]estart it?'
)
answer = raw_input()
if len(answer) > 0:
answer = answer[0]
if answer == 's':
action = 'stop'
elif answer == 'r':
action = 'restart'
return action
