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Implemented link establishment on ultra low bandwidth links

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Mark Qvist 2023-10-27 18:16:52 +02:00
parent 0e12442a28
commit f01074e5b8
5 changed files with 95 additions and 6 deletions
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7
RNS/Link.py
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@ -112,9 +112,10 @@ class Link:
link = Link(owner = owner, peer_pub_bytes=data[:Link.ECPUBSIZE//2], peer_sig_pub_bytes=data[Link.ECPUBSIZE//2:Link.ECPUBSIZE])
link.set_link_id(packet)
link.destination = packet.destination
link.establishment_timeout = Link.ESTABLISHMENT_TIMEOUT_PER_HOP * max(1, packet.hops)
link.establishment_timeout = Link.ESTABLISHMENT_TIMEOUT_PER_HOP * max(1, packet.hops) + Link.KEEPALIVE
link.establishment_cost += len(packet.raw)
RNS.log("Validating link request "+RNS.prettyhexrep(link.link_id), RNS.LOG_VERBOSE)
RNS.log(f"Establishment timeout is {RNS.prettytime(link.establishment_timeout)} for incoming link request "+RNS.prettyhexrep(link.link_id), RNS.LOG_EXTREME)
link.handshake()
link.attached_interface = packet.receiving_interface
link.prove()
@ -175,7 +176,8 @@ class Link:
self.sig_prv = self.owner.identity.sig_prv
else:
self.initiator = True
self.establishment_timeout = Link.ESTABLISHMENT_TIMEOUT_PER_HOP * max(1, RNS.Transport.hops_to(destination.hash))
self.establishment_timeout = RNS.Reticulum.get_instance().get_first_hop_timeout(destination.hash)
self.establishment_timeout += Link.ESTABLISHMENT_TIMEOUT_PER_HOP * max(1, RNS.Transport.hops_to(destination.hash))
self.prv = X25519PrivateKey.generate()
self.sig_prv = Ed25519PrivateKey.generate()
@ -211,6 +213,7 @@ class Link:
self.packet.send()
self.had_outbound()
RNS.log("Link request "+RNS.prettyhexrep(self.link_id)+" sent to "+str(self.destination), RNS.LOG_DEBUG)
RNS.log(f"Establishment timeout is {RNS.prettytime(self.establishment_timeout)} for link request "+RNS.prettyhexrep(self.link_id), RNS.LOG_EXTREME)
def load_peer(self, peer_pub_bytes, peer_sig_pub_bytes):