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AutoInterface carrier loss detection

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This commit is contained in:
Mark Qvist 2022-02-22 20:16:02 +01:00
parent 1ccfa9079c
commit 257bd95da8
1 changed files with 20 additions and 1 deletions
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21
RNS/Interfaces/AutoInterface.py
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@ -44,12 +44,14 @@ class AutoInterface(Interface):
self.link_local_addresses = [] self.link_local_addresses = []
self.adopted_interfaces = {} self.adopted_interfaces = {}
self.multicast_echoes = {} self.multicast_echoes = {}
self.timed_out_interfaces = {}
self.outbound_udp_socket = None self.outbound_udp_socket = None
self.announce_interval = AutoInterface.PEERING_TIMEOUT/4.0 self.announce_interval = AutoInterface.PEERING_TIMEOUT/4.0
self.peer_job_interval = AutoInterface.PEERING_TIMEOUT*1.1 self.peer_job_interval = AutoInterface.PEERING_TIMEOUT*1.1
self.peering_timeout = AutoInterface.PEERING_TIMEOUT self.peering_timeout = AutoInterface.PEERING_TIMEOUT
self.multicast_echo_timeout = AutoInterface.PEERING_TIMEOUT
if allowed_interfaces == None: if allowed_interfaces == None:
self.allowed_interfaces = [] self.allowed_interfaces = []
@ -230,6 +232,20 @@ class AutoInterface(Interface):
removed_peer = self.peers.pop(peer_addr) removed_peer = self.peers.pop(peer_addr)
RNS.log(str(self)+" removed peer "+str(peer_addr)+" on "+str(removed_peer[0]), RNS.LOG_DEBUG) RNS.log(str(self)+" removed peer "+str(peer_addr)+" on "+str(removed_peer[0]), RNS.LOG_DEBUG)
for ifname in self.adopted_interfaces:
last_multicast_echo = 0
if ifname in self.multicast_echoes:
last_multicast_echo = self.multicast_echoes[ifname]
if now - last_multicast_echo > self.multicast_echo_timeout:
if ifname in self.timed_out_interfaces and self.timed_out_interfaces[ifname] == False:
RNS.log("Multicast echo timeout for "+str(ifname)+". Carrier lost.", RNS.LOG_WARNING)
self.timed_out_interfaces[ifname] = True
else:
if ifname in self.timed_out_interfaces and self.timed_out_interfaces[ifname] == True:
RNS.log(str(self)+" Carrier recovered on "+str(ifname), RNS.LOG_WARNING)
self.timed_out_interfaces[ifname] = False
def announce_handler(self, ifname): def announce_handler(self, ifname):
while True: while True:
@ -247,7 +263,10 @@ class AutoInterface(Interface):
announce_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, ifis) announce_socket.setsockopt(socket.IPPROTO_IPV6, socket.IPV6_MULTICAST_IF, ifis)
announce_socket.sendto(discovery_token, addr_info[0][4]) announce_socket.sendto(discovery_token, addr_info[0][4])
except Exception as e: except Exception as e:
RNS.log(str(self)+" Exception while sending multicast peer announce: "+str(e)) if (ifname in self.timed_out_interfaces and self.timed_out_interfaces[ifname] == False) or not ifname in self.timed_out_interfaces:
RNS.log(str(self)+" Detected possible carrier loss on "+str(ifname)+": "+str(e), RNS.LOG_WARNING)
else:
pass
def add_peer(self, addr, ifname): def add_peer(self, addr, ifname):
if addr in self.link_local_addresses: if addr in self.link_local_addresses: