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Implemented link timeouts and keepalive

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Mark Qvist 2018-04-21 16:12:42 +02:00
parent 98a489ee11
commit 260f8bbaf1
4 changed files with 153 additions and 24 deletions
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10
RNS/Packet.py
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@ -29,6 +29,7 @@ class Packet:
RESPONSE = 0x09
COMMAND = 0x0A
COMMAND_STAT = 0x0B
KEEPALIVE = 0xFC
LINKCLOSE = 0xFD
LRRTT = 0xFE
LRPROOF = 0xFF
@ -98,6 +99,10 @@ class Packet:
# A resource takes care of symmetric
# encryption by itself
self.ciphertext = self.data
elif self.context == Packet.KEEPALIVE:
# Keepalive packets contain no actual
# data
self.ciphertext = self.data
else:
# In all other cases, we encrypt the packet
# with the destination's public key
@ -148,6 +153,11 @@ class Packet:
if self.destination.type == RNS.Destination.LINK:
if self.destination.status == RNS.Link.CLOSED:
raise IOError("Attempt to transmit over a closed link")
else:
self.destination.last_outbound = time.time()
self.destination.tx += 1
self.destination.txbytes += len(self.data)
if not self.packed:
self.pack()