mirror of
https://github.com/markqvist/LXMF.git
synced 2026-04-27 22:25:40 +00:00
82 lines
4.6 KiB
Python
82 lines
4.6 KiB
Python
import time
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import threading
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import RNS
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import RNS.vendor.umsgpack as msgpack
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from .LXMF import APP_NAME, stamp_cost_from_app_data, pn_announce_data_is_valid
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from .LXMessage import LXMessage
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class LXMFDeliveryAnnounceHandler:
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def __init__(self, lxmrouter):
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self.aspect_filter = APP_NAME+".delivery"
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self.receive_path_responses = True
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self.lxmrouter = lxmrouter
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def received_announce(self, destination_hash, announced_identity, app_data):
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for lxmessage in self.lxmrouter.pending_outbound:
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if destination_hash == lxmessage.destination_hash:
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if lxmessage.method == LXMessage.DIRECT or lxmessage.method == LXMessage.OPPORTUNISTIC:
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lxmessage.next_delivery_attempt = time.time()
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def outbound_trigger():
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while self.lxmrouter.processing_outbound: time.sleep(0.1)
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self.lxmrouter.process_outbound()
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threading.Thread(target=outbound_trigger, daemon=True).start()
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try:
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stamp_cost = stamp_cost_from_app_data(app_data)
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self.lxmrouter.update_stamp_cost(destination_hash, stamp_cost)
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except Exception as e:
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RNS.log(f"An error occurred while trying to decode announced stamp cost. The contained exception was: {e}", RNS.LOG_ERROR)
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class LXMFPropagationAnnounceHandler:
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def __init__(self, lxmrouter):
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self.aspect_filter = APP_NAME+".propagation"
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self.receive_path_responses = True
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self.lxmrouter = lxmrouter
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def received_announce(self, destination_hash, announced_identity, app_data, announce_packet_hash, is_path_response):
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if not is_path_response:
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try:
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if type(app_data) == bytes:
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if self.lxmrouter.propagation_node:
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data = msgpack.unpackb(app_data)
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if pn_announce_data_is_valid(data):
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node_timebase = int(data[1])
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propagation_enabled = data[2]
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propagation_transfer_limit = int(data[3])
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propagation_sync_limit = int(data[4])
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propagation_stamp_cost = int(data[5][0])
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propagation_stamp_cost_flexibility = int(data[5][1])
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metadata = data[6]
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if destination_hash in self.lxmrouter.static_peers:
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self.lxmrouter.peer(destination_hash=destination_hash,
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timestamp=node_timebase,
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propagation_transfer_limit=propagation_transfer_limit,
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propagation_sync_limit=propagation_sync_limit,
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propagation_stamp_cost=propagation_stamp_cost,
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propagation_stamp_cost_flexibility=propagation_stamp_cost_flexibility,
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metadata=metadata)
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else:
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if self.lxmrouter.autopeer:
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if propagation_enabled == True:
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if RNS.Transport.hops_to(destination_hash) <= self.lxmrouter.autopeer_maxdepth:
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self.lxmrouter.peer(destination_hash=destination_hash,
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timestamp=node_timebase,
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propagation_transfer_limit=propagation_transfer_limit,
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propagation_sync_limit=propagation_sync_limit,
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propagation_stamp_cost=propagation_stamp_cost,
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propagation_stamp_cost_flexibility=propagation_stamp_cost_flexibility,
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metadata=metadata)
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elif propagation_enabled == False:
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self.lxmrouter.unpeer(destination_hash, node_timebase)
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except Exception as e:
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RNS.log("Error while evaluating propagation node announce, ignoring announce.", RNS.LOG_DEBUG)
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RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
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