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Re-resolve DNS on failed peer ready for testing

This commit is contained in:
Simon 2021-08-30 17:02:29 +01:00
parent ae393bc66d
commit a8633090e4
2 changed files with 11 additions and 5 deletions
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1
config.py
View File

@ -205,6 +205,7 @@ def build_config(_config_file):
'PORT': config.getint(section, 'PORT'),
'MASTER_SOCKADDR': (gethostbyname(config.get(section, 'MASTER_IP')), config.getint(section, 'MASTER_PORT')),
'MASTER_IP': gethostbyname(config.get(section, 'MASTER_IP')),
'_MASTER_IP': config.get(section, 'MASTER_IP'),
'MASTER_PORT': config.getint(section, 'MASTER_PORT'),
'PASSPHRASE': bytes(config.get(section, 'PASSPHRASE'), 'utf-8'),
'CALLSIGN': bytes(config.get(section, 'CALLSIGN').ljust(8)[:8], 'utf-8'),

15
hblink.py
View File

@ -306,6 +306,7 @@ class HBSYSTEM(DatagramProtocol):
elif self._config['MODE'] == 'PEER':
self._stats = self._config['STATS']
self._stats['DNS_TIME'] = time()
self.send_system = self.send_master
self.maintenance_loop = self.peer_maintenance_loop
self.datagramReceived = self.peer_datagramReceived
@ -317,11 +318,15 @@ class HBSYSTEM(DatagramProtocol):
self.maintenance_loop = self.peer_maintenance_loop
self.datagramReceived = self.peer_datagramReceived
self.dereg = self.peer_dereg
def loopingErrHandle(self,failure):
logger.error('(GLOBAL - hblink.py) Unhandled error in timed loop.\n %s', failure)
def startProtocol(self):
# Set up periodic loop for tracking pings from peers. Run every 'PING_TIME' seconds
self._system_maintenance = task.LoopingCall(self.maintenance_loop)
self._system_maintenance_loop = self._system_maintenance.start(self._CONFIG['GLOBAL']['PING_TIME'])
self._system_maintenance_loop.addErrback(self.loopingErrHandle)
# Aliased in __init__ to maintenance_loop if system is a master
def master_maintenance_loop(self):
@ -357,11 +362,11 @@ class HBSYSTEM(DatagramProtocol):
self._stats['NUM_OUTSTANDING'] = 0
self._stats['PING_OUTSTANDING'] = False
self._stats['CONNECTION'] = 'RPTL_SENT'
if self._stats['DNS_TIME'] < (time() - 1):
if self._stats['DNS_TIME'] < (time() - 600):
self._stats['DNS_TIME'] = time()
_d = client.getHostByName(self._config['_MASTER_IP'])
_d.addCallback(self.updateSockaddr)
_d.addErrback(self,_d)
_d.addErrback(self.updateSockaddr_errback)
self.send_master(b''.join([RPTL, self._config['RADIO_ID']]))
logger.info('(%s) Sending login request to master %s:%s', self._system, self._config['MASTER_IP'], self._config['MASTER_PORT'])
# If we are connected, sent a ping to the master and increment the counter
@ -374,10 +379,10 @@ class HBSYSTEM(DatagramProtocol):
def updateSockaddr(self,ip):
self._config['MASTER_IP'] = ip
self._config['MASTER_SOCKADDR'] = (ip, self._config['MASTER_PORT'])
logger.debug('(%s) hostname resolution performed',self._system)
logger.debug('(%s) hostname resolution performed: %s',self._system,ip)
def updateSockaddr_errback(self,d):
logger.debug('(%s) hostname resolution error',self._system)
def updateSockaddr_errback(self,failure):
logger.debug('(%s) hostname resolution error: %s',self._system,failure)
def send_peers(self, _packet):
for _peer in self._peers: