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Limit amount of random blobs kept in memory and persisted to disk. Add check for non-existent announce in processing table.

This commit is contained in:
Mark Qvist 2024-03-01 00:03:56 +01:00
parent 05e97ac0db
commit 18f50ff1ae
1 changed files with 6 additions and 2 deletions
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8
RNS/Transport.py
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@ -77,6 +77,8 @@ class Transport:
DESTINATION_TIMEOUT = 60*60*24*7 # Destination table entries are removed if unused for one week
MAX_RECEIPTS = 1024 # Maximum number of receipts to keep track of
MAX_RATE_TIMESTAMPS = 16 # Maximum number of announce timestamps to keep per destination
PERSIST_RANDOM_BLOBS = 32 # Maximum number of random blobs per destination to persist to disk
MAX_RANDOM_BLOBS = 64 # Maximum number of random blobs per destination to keep in memory
interfaces = [] # All active interfaces
destinations = [] # All active destinations
@ -1321,7 +1323,8 @@ class Transport:
announce_entry[6] += 1
if announce_entry[6] >= Transport.LOCAL_REBROADCASTS_MAX:
RNS.log("Max local rebroadcasts of announce for "+RNS.prettyhexrep(packet.destination_hash)+" reached, dropping announce from our table", RNS.LOG_DEBUG)
Transport.announce_table.pop(packet.destination_hash)
if packet.destination_hash in Transport.announce_table:
Transport.announce_table.pop(packet.destination_hash)
if packet.hops-1 == announce_entry[4]+1 and announce_entry[2] > 0:
now = time.time()
@ -1470,6 +1473,7 @@ class Transport:
expires = now + Transport.PATHFINDER_E
random_blobs.append(random_blob)
random_blobs = random_blobs[-Transport.MAX_RANDOM_BLOBS:]
if (RNS.Reticulum.transport_enabled() or Transport.from_local_client(packet)) and packet.context != RNS.Packet.PATH_RESPONSE:
# Insert announce into announce table for retransmission
@ -2582,7 +2586,7 @@ class Transport:
received_from = de[1]
hops = de[2]
expires = de[3]
random_blobs = de[4]
random_blobs = de[4][-Transport.PERSIST_RANDOM_BLOBS:]
packet_hash = de[6].get_hash()
serialised_entry = [