Fixed shared instance transport for 1-hop destinations. Path request forwarding to local clients behind shared instance.

This commit is contained in:
Mark Qvist 2020-05-15 09:41:26 +02:00
parent 4069988c14
commit 3ca06bbf3a

View File

@ -337,6 +337,19 @@ class Transport:
outbound_interface.processOutgoing(new_raw)
Transport.destination_table[packet.destination_hash][0] = time.time()
sent = True
elif Transport.destination_table[packet.destination_hash][2] == 1 and Transport.owner.is_connected_to_shared_instance:
if packet.header_type == RNS.Packet.HEADER_1:
# Insert packet into transport
new_flags = (RNS.Packet.HEADER_2) << 6 | (Transport.TRANSPORT) << 4 | (packet.flags & 0b00001111)
new_raw = struct.pack("!B", new_flags)
new_raw += packet.raw[1:2]
new_raw += Transport.destination_table[packet.destination_hash][1]
new_raw += packet.raw[2:]
# TODO: Remove at some point
RNS.log("Packet was inserted into direct transport via "+RNS.prettyhexrep(Transport.destination_table[packet.destination_hash][1])+" on: "+str(outbound_interface), RNS.LOG_DEBUG)
outbound_interface.processOutgoing(new_raw)
Transport.destination_table[packet.destination_hash][0] = time.time()
sent = True
else:
# Destination is directly reachable, and we know on
# what interface, so transmit only on that one
@ -961,7 +974,12 @@ class Transport:
local_rebroadcasts = 0
block_rebroadcasts = True
announce_hops = packet.hops
retransmit_timeout = now + Transport.PATH_REQUEST_GRACE # + (RNS.rand() * Transport.PATHFINDER_RW)
if is_from_local_client:
retransmit_timeout = now
else:
# TODO: Look at this timing
retransmit_timeout = now + Transport.PATH_REQUEST_GRACE # + (RNS.rand() * Transport.PATHFINDER_RW)
# This handles an edge case where a peer sends a past
# request for a destination just after an announce for
@ -982,6 +1000,12 @@ class Transport:
if not interface == attached_interface:
Transport.requestPathOnInterface(destination_hash, interface)
elif not is_from_local_client and len(Transport.local_client_interfaces) > 0:
# Forward the path request on all local
# client interfaces
for interface in Transport.local_client_interfaces:
Transport.requestPathOnInterface(destination_hash, interface)
else:
RNS.log("No known path to requested destination, ignoring request", RNS.LOG_DEBUG)