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Improved path response logic

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This commit is contained in:
Mark Qvist 2024-05-04 21:57:03 +02:00
parent f595648a9b
commit d2feb8b136
1 changed files with 13 additions and 8 deletions
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21
RNS/Transport.py
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@ -65,7 +65,7 @@ class Transport:
PATH_REQUEST_TIMEOUT = 15 # Default timuout for client path requests in seconds PATH_REQUEST_TIMEOUT = 15 # Default timuout for client path requests in seconds
PATH_REQUEST_GRACE = 0.4 # Grace time before a path announcement is made, allows directly reachable peers to respond first PATH_REQUEST_GRACE = 0.4 # Grace time before a path announcement is made, allows directly reachable peers to respond first
PATH_REQUEST_RG = 1.0 # Extra grace time for roaming-mode interfaces to allow more suitable peers to respond first PATH_REQUEST_RG = 0.6 # Extra grace time for roaming-mode interfaces to allow more suitable peers to respond first
PATH_REQUEST_MI = 20 # Minimum interval in seconds for automated path requests PATH_REQUEST_MI = 20 # Minimum interval in seconds for automated path requests
STATE_UNKNOWN = 0x00 STATE_UNKNOWN = 0x00
@ -2175,6 +2175,7 @@ class Transport:
else: else:
return False return False
@staticmethod
def path_is_unresponsive(destination_hash): def path_is_unresponsive(destination_hash):
if destination_hash in Transport.path_states: if destination_hash in Transport.path_states:
if Transport.path_states[destination_hash] == Transport.STATE_UNRESPONSIVE: if Transport.path_states[destination_hash] == Transport.STATE_UNRESPONSIVE:
@ -2339,14 +2340,18 @@ class Transport:
if is_from_local_client: if is_from_local_client:
retransmit_timeout = now retransmit_timeout = now
else: else:
# TODO: Consider this timing if Transport.is_local_client_interface(Transport.next_hop_interface(destination_hash)):
retransmit_timeout = now + Transport.PATH_REQUEST_GRACE # + (RNS.rand() * Transport.PATHFINDER_RW) RNS.log("Path request destination "+RNS.prettyhexrep(destination_hash)+" is on a local client interface, rebroadcasting immediately", RNS.LOG_EXTREME)
retransmit_timeout = now
# If we are answering on a roaming-mode interface, wait a else:
# little longer, to allow potential more well-connected retransmit_timeout = now + Transport.PATH_REQUEST_GRACE
# peers to answer first.
if attached_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ROAMING: # If we are answering on a roaming-mode interface, wait a
retransmit_timeout += Transport.PATH_REQUEST_RG # little longer, to allow potential more well-connected
# peers to answer first.
if attached_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ROAMING:
retransmit_timeout += Transport.PATH_REQUEST_RG
# This handles an edge case where a peer sends a past # This handles an edge case where a peer sends a past
# request for a destination just after an announce for # request for a destination just after an announce for