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Updated propagation timing

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This commit is contained in:
Mark Qvist 2022-04-20 20:06:44 +02:00
parent 0db64610b1
commit 9fef53d083
1 changed files with 11 additions and 6 deletions
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17
RNS/Transport.py
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@ -52,11 +52,12 @@ class Transport:
"""
Maximum amount of hops that Reticulum will transport a packet.
"""
PATHFINDER_C = 1.094334 # Exponential delay coefficient
PATHFINDER_D = 10 # Fixed per-hop delay
# TODO: Remove after verifying new timing
# PATHFINDER_C = 1.094334 # Exponential delay coefficient
# PATHFINDER_D = 10 # Fixed per-hop delay
PATHFINDER_R = 1 # Retransmit retries
PATHFINDER_T = 10 # Retry grace period
PATHFINDER_RW = 4 # Random window for announce rebroadcast
PATHFINDER_G = 5 # Retry grace period
PATHFINDER_RW = 0.5 # Random window for announce rebroadcast
PATHFINDER_E = 60*60*24*7 # Path expiration of one week
AP_PATH_TIME = 60*60*24 # Path expiration of one day for Access Point paths
@ -303,7 +304,9 @@ class Transport:
break
else:
if time.time() > announce_entry[1]:
announce_entry[1] = time.time() + math.pow(Transport.PATHFINDER_C, announce_entry[4]) + Transport.PATHFINDER_T + Transport.PATHFINDER_RW
# TODO: Remove after verifying new timing
# announce_entry[1] = time.time() + math.pow(Transport.PATHFINDER_C, announce_entry[4]) + Transport.PATHFINDER_G + Transport.PATHFINDER_RW
announce_entry[1] = time.time() + Transport.PATHFINDER_G + Transport.PATHFINDER_RW
announce_entry[2] += 1
packet = announce_entry[5]
block_rebroadcasts = announce_entry[7]
@ -991,7 +994,9 @@ class Transport:
local_rebroadcasts = 0
block_rebroadcasts = False
attached_interface = None
retransmit_timeout = now + math.pow(Transport.PATHFINDER_C, packet.hops) + (Transport.PATHFINDER_D*packet.hops) + (RNS.rand() * Transport.PATHFINDER_RW)
# TODO: Remove when new timing verified
# retransmit_timeout = now + math.pow(Transport.PATHFINDER_C, packet.hops) + (Transport.PATHFINDER_D*packet.hops) + (RNS.rand() * Transport.PATHFINDER_RW)
retransmit_timeout = now + (RNS.rand() * Transport.PATHFINDER_RW)
if packet.receiving_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT:
expires = now + Transport.AP_PATH_TIME