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!')
