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https://github.com/markqvist/Reticulum.git
synced 2024-11-22 13:40:19 +00:00
Added per-interface announce rate control
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parent
f2c0dac217
commit
3871d8615e
@ -599,6 +599,9 @@ class I2PInterface(Interface):
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spawned_interface.ifac_size = self.ifac_size
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spawned_interface.ifac_netname = self.ifac_netname
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spawned_interface.ifac_netkey = self.ifac_netkey
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spawned_interface.announce_rate_target = self.announce_rate_target
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spawned_interface.announce_rate_grace = self.announce_rate_grace
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spawned_interface.announce_rate_penalty = self.announce_rate_penalty
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RNS.log("Spawned new I2PInterface Peer: "+str(spawned_interface), RNS.LOG_VERBOSE)
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RNS.Transport.interfaces.append(spawned_interface)
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self.clients += 1
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@ -80,6 +80,10 @@ class LocalClientInterface(Interface):
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self.online = True
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self.writing = False
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self.announce_rate_target = None
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self.announce_rate_grace = None
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self.announce_rate_penalty = None
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if connected_socket == None:
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thread = threading.Thread(target=self.read_loop)
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thread.setDaemon(True)
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@ -285,6 +289,10 @@ class LocalServerInterface(Interface):
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thread.setDaemon(True)
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thread.start()
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self.announce_rate_target = None
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self.announce_rate_grace = None
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self.announce_rate_penalty = None
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self.bitrate = 1000*1000*1000
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self.online = True
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@ -456,6 +456,9 @@ class TCPServerInterface(Interface):
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spawned_interface.ifac_size = self.ifac_size
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spawned_interface.ifac_netname = self.ifac_netname
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spawned_interface.ifac_netkey = self.ifac_netkey
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spawned_interface.announce_rate_target = self.announce_rate_target
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spawned_interface.announce_rate_grace = self.announce_rate_grace
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spawned_interface.announce_rate_penalty = self.announce_rate_penalty
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spawned_interface.online = True
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RNS.log("Spawned new TCPClient Interface: "+str(spawned_interface), RNS.LOG_VERBOSE)
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RNS.Transport.interfaces.append(spawned_interface)
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@ -393,6 +393,27 @@ class Reticulum:
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if "bitrate" in c:
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if c.as_int("bitrate") >= Reticulum.MINIMUM_BITRATE:
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configured_bitrate = c.as_int("bitrate")
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announce_rate_target = None
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if "announce_rate_target" in c:
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if c.as_int("announce_rate_target") > 0:
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announce_rate_target = c.as_int("announce_rate_target")
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announce_rate_grace = None
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if "announce_rate_grace" in c:
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if c.as_int("announce_rate_grace") >= 0:
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announce_rate_grace = c.as_int("announce_rate_grace")
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announce_rate_penalty = None
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if "announce_rate_penalty" in c:
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if c.as_int("announce_rate_penalty") >= 0:
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announce_rate_penalty = c.as_int("announce_rate_penalty")
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if announce_rate_target != None and announce_rate_grace == None:
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announce_rate_grace = 0
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if announce_rate_target != None and announce_rate_penalty == None:
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announce_rate_penalty = 0
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announce_cap = Reticulum.ANNOUNCE_CAP/100.0
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if "announce_cap" in c:
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@ -765,6 +786,10 @@ class Reticulum:
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interface.ifac_size = 8
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if interface != None:
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interface.announce_rate_target = announce_rate_target
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interface.announce_rate_grace = announce_rate_grace
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interface.announce_rate_penalty = announce_rate_penalty
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interface.ifac_netname = ifac_netname
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interface.ifac_netkey = ifac_netkey
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@ -71,6 +71,7 @@ class Transport:
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REVERSE_TIMEOUT = 30*60 # Reverse table entries are removed after max 30 minutes
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DESTINATION_TIMEOUT = PATHFINDER_E # Destination table entries are removed if unused for one week
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MAX_RECEIPTS = 1024 # Maximum number of receipts to keep track of
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MAX_RATE_TIMESTAMPS = 16 # Maximum number of announce timestamps to keep per destination
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interfaces = [] # All active interfaces
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destinations = [] # All active destinations
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@ -90,6 +91,7 @@ class Transport:
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held_announces = {} # A table containing temporarily held announce-table entries
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announce_handlers = [] # A table storing externally registered announce handlers
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tunnels = {} # A table storing tunnels to other transport instances
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announce_rate_table = {} # A table for keeping track of announce rates
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# Transport control destinations are used
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# for control purposes like path requests
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@ -1094,6 +1096,42 @@ class Transport:
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if should_add:
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now = time.time()
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rate_blocked = False
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if packet.context != RNS.Packet.PATH_RESPONSE and packet.receiving_interface.announce_rate_target != None:
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if not packet.destination_hash in Transport.announce_rate_table:
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rate_entry = { "last": now, "rate_violations": 0, "blocked_until": 0, "timestamps": [now]}
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Transport.announce_rate_table[packet.destination_hash] = rate_entry
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else:
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rate_entry = Transport.announce_rate_table[packet.destination_hash]
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rate_entry["timestamps"].append(now)
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while len(rate_entry["timestamps"]) > Transport.MAX_RATE_TIMESTAMPS:
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rate_entry["timestamps"].pop(0)
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current_rate = now - rate_entry["last"]
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if now > rate_entry["blocked_until"]:
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if current_rate < packet.receiving_interface.announce_rate_target:
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rate_entry["rate_violations"] += 1
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else:
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rate_entry["rate_violations"] = max(0, rate_entry["rate_violations"]-1)
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if rate_entry["rate_violations"] > packet.receiving_interface.announce_rate_grace:
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rate_target = packet.receiving_interface.announce_rate_target
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rate_penalty = packet.receiving_interface.announce_rate_penalty
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rate_entry["blocked_until"] = rate_entry["last"] + rate_target + rate_penalty
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rate_blocked = True
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else:
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rate_entry["last"] = now
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else:
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rate_blocked = True
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retries = 0
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announce_hops = packet.hops
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local_rebroadcasts = 0
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@ -1114,23 +1152,27 @@ class Transport:
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if (RNS.Reticulum.transport_enabled() or Transport.from_local_client(packet)) and packet.context != RNS.Packet.PATH_RESPONSE:
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# Insert announce into announce table for retransmission
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if Transport.from_local_client(packet):
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# If the announce is from a local client,
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# it is announced immediately, but only one time.
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retransmit_timeout = now
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retries = Transport.PATHFINDER_R
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if rate_blocked:
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RNS.log("Blocking rebroadcast of announce from "+RNS.prettyhexrep(packet.destination_hash)+" due to excessive announce rate", RNS.LOG_DEBUG)
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else:
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if Transport.from_local_client(packet):
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# If the announce is from a local client,
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# it is announced immediately, but only one time.
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retransmit_timeout = now
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retries = Transport.PATHFINDER_R
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Transport.announce_table[packet.destination_hash] = [
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now,
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retransmit_timeout,
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retries,
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received_from,
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announce_hops,
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packet,
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local_rebroadcasts,
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block_rebroadcasts,
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attached_interface
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]
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Transport.announce_table[packet.destination_hash] = [
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now,
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retransmit_timeout,
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retries,
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received_from,
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announce_hops,
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packet,
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local_rebroadcasts,
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block_rebroadcasts,
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attached_interface
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]
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# TODO: Check from_local_client once and store result
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elif Transport.from_local_client(packet) and packet.context == RNS.Packet.PATH_RESPONSE:
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