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Implemented auto unpeering unreachable nodes

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This commit is contained in:
Mark Qvist 2021-10-09 23:24:35 +02:00
parent d2bc7fc32e
commit 934a208965
2 changed files with 28 additions and 5 deletions
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29
LXMF/LXMF.py
View File

@ -569,6 +569,10 @@ class LXMPeer:
ERROR_NO_IDENTITY = 0xf0
# Maximum amount of time a peer can
# be unreachable before it is removed
MAX_UNREACHABLE = 4*24*60*60
@staticmethod
def from_bytes(peer_bytes, router):
dictionary = msgpack.unpackb(peer_bytes)
@ -610,7 +614,7 @@ class LXMPeer:
def __init__(self, router, destination_hash):
self.alive = False
self.last_heard = None
self.last_heard = 0
self.peering_timebase = 0
self.link = None
@ -648,6 +652,9 @@ class LXMPeer:
else:
if self.state == LXMPeer.LINK_READY:
self.alive = True
self.last_heard = time.time()
RNS.log("Sync link to peer "+RNS.prettyhexrep(self.destination_hash)+" established, preparing request...", RNS.LOG_DEBUG)
unhandled_ids = []
purged_ids = []
@ -756,6 +763,8 @@ class LXMPeer:
self.state = LXMPeer.IDLE
self.link.teardown()
RNS.log("Sync to peer "+RNS.prettyhexrep(self.destination_hash)+" completed", RNS.LOG_DEBUG)
self.alive = True
self.last_heard = time.time()
else:
RNS.log("Resource transfer for LXMF peer sync failed to "+str(self.destination), RNS.LOG_DEBUG)
if self.link != None:
@ -780,6 +789,12 @@ class LXMPeer:
RNS.log("The message "+RNS.prettyhexrep(transient_id)+" was added to distribution queue for "+RNS.prettyhexrep(self.destination_hash), RNS.LOG_EXTREME)
self.unhandled_messages[transient_id] = self.router.propagation_entries[transient_id]
def __str__(self):
if self.destination_hash:
return RNS.prettyhexrep(self.destination_hash)
else:
return "<Unknown>"
class LXMRouter:
MAX_DELIVERY_ATTEMPTS = 3
PROCESSING_INTERVAL = 5
@ -1528,11 +1543,15 @@ class LXMRouter:
def sync_peers(self):
culled_peers = []
waiting_peers = []
for peer_id in self.peers:
peer = self.peers[peer_id]
if peer.state == LXMPeer.IDLE and len(peer.unhandled_messages) > 0:
waiting_peers.append(peer)
if time.time() > peer.last_heard + LXMPeer.MAX_UNREACHABLE:
culled_peers.append(peer_id)
else:
if peer.state == LXMPeer.IDLE and len(peer.unhandled_messages) > 0:
waiting_peers.append(peer)
if len(waiting_peers) > 0:
RNS.log("Randomly selecting peer to sync from "+str(len(waiting_peers))+" waiting peers.", RNS.LOG_DEBUG)
@ -1541,6 +1560,10 @@ class LXMRouter:
RNS.log("Selected waiting peer "+str(selected_index)+": "+RNS.prettyhexrep(selected_peer.destination.hash), RNS.LOG_DEBUG)
selected_peer.sync()
for peer in culled_peers:
RNS.log("Removing peer "+RNS.prettyhexrep(peer)+" due to excessive unreachability", RNS.LOG_WARNING)
self.peers.pop(peer_id)
def fail_message(self, lxmessage):
RNS.log(str(lxmessage)+" failed to send", RNS.LOG_DEBUG)

4
setup.py
View File

@ -5,7 +5,7 @@ with open("README.md", "r") as fh:
setuptools.setup(
name="lxmf",
version="0.1.0",
version="0.1.1",
author="Mark Qvist",
author_email="mark@unsigned.io",
description="Lightweight Extensible Message Format for Reticulum",
@ -18,6 +18,6 @@ setuptools.setup(
"License :: OSI Approved :: MIT License",
"Operating System :: OS Independent",
],
install_requires=['rns>=0.2.4'],
install_requires=['rns>=0.2.8'],
python_requires='>=3.6',
)