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Improved announce queue processing

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This commit is contained in:
Mark Qvist 2022-05-13 15:45:09 +02:00
parent e95e9e6a89
commit 1b50f5267a
1 changed files with 50 additions and 17 deletions
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39
RNS/Transport.py
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@ -592,7 +592,6 @@ class Transport:
interface.announce_queue = [] interface.announce_queue = []
queued_announces = True if len(interface.announce_queue) > 0 else False queued_announces = True if len(interface.announce_queue) > 0 else False
if not queued_announces and outbound_time > interface.announce_allowed_at: if not queued_announces and outbound_time > interface.announce_allowed_at:
tx_time = (len(packet.raw)*8) / interface.bitrate tx_time = (len(packet.raw)*8) / interface.bitrate
wait_time = (tx_time / interface.announce_cap) wait_time = (tx_time / interface.announce_cap)
@ -605,7 +604,33 @@ class Transport:
else: else:
should_transmit = False should_transmit = False
if not len(interface.announce_queue) >= RNS.Reticulum.MAX_QUEUED_ANNOUNCES: if not len(interface.announce_queue) >= RNS.Reticulum.MAX_QUEUED_ANNOUNCES:
entry = {"time": outbound_time, "hops": packet.hops, "raw": packet.raw} should_queue = True
already_queued = False
for e in interface.announce_queue:
if e["destination"] == packet.destination_hash:
already_queued = True
existing_entry = e
emission_timestamp = Transport.announce_emitted(packet)
if already_queued:
should_queue = False
if emission_timestamp > existing_entry["emitted"]:
e["time"] = outbound_time
e["hops"] = packet.hops
e["emitted"] = emission_timestamp
e["raw"] = packet.raw
if should_queue:
entry = {
"destination": packet.destination_hash,
"time": outbound_time,
"hops": packet.hops,
"emitted": Transport.announce_emitted(packet),
"raw": packet.raw
}
queued_announces = True if len(interface.announce_queue) > 0 else False queued_announces = True if len(interface.announce_queue) > 0 else False
interface.announce_queue.append(entry) interface.announce_queue.append(entry)
@ -985,8 +1010,9 @@ class Transport:
# First, check that the announce is not for a destination # First, check that the announce is not for a destination
# local to this system, and that hops are less than the max # local to this system, and that hops are less than the max
if (not any(packet.destination_hash == d.hash for d in Transport.destinations) and packet.hops < Transport.PATHFINDER_M+1): if (not any(packet.destination_hash == d.hash for d in Transport.destinations) and packet.hops < Transport.PATHFINDER_M+1):
announce_emitted = Transport.announce_emitted(packet)
random_blob = packet.data[RNS.Identity.KEYSIZE//8:RNS.Identity.KEYSIZE//8+RNS.Reticulum.TRUNCATED_HASHLENGTH//8] random_blob = packet.data[RNS.Identity.KEYSIZE//8:RNS.Identity.KEYSIZE//8+RNS.Reticulum.TRUNCATED_HASHLENGTH//8]
announce_emitted = int.from_bytes(random_blob[5:10], "big")
random_blobs = [] random_blobs = []
if packet.destination_hash in Transport.destination_table: if packet.destination_hash in Transport.destination_table:
random_blobs = Transport.destination_table[packet.destination_hash][4] random_blobs = Transport.destination_table[packet.destination_hash][4]
@ -1772,6 +1798,13 @@ class Transport:
if registered_destination.type == RNS.Destination.SINGLE: if registered_destination.type == RNS.Destination.SINGLE:
registered_destination.announce(path_response=True) registered_destination.announce(path_response=True)
@staticmethod
def announce_emitted(packet):
random_blob = packet.data[RNS.Identity.KEYSIZE//8:RNS.Identity.KEYSIZE//8+RNS.Reticulum.TRUNCATED_HASHLENGTH//8]
announce_emitted = int.from_bytes(random_blob[5:10], "big")
return announce_emitted
@staticmethod @staticmethod
def exit_handler(): def exit_handler():
try: try: