Better comments on outbound transport

This commit is contained in:
Mark Qvist 2020-05-15 10:05:18 +02:00
parent 3ca06bbf3a
commit 3819485c20

View File

@ -324,6 +324,11 @@ class Transport:
if packet.packet_type != RNS.Packet.ANNOUNCE and packet.destination_hash in Transport.destination_table:
outbound_interface = Transport.destination_table[packet.destination_hash][5]
# If there's more than one hop to the destination, and we know
# a path, we insert the packet into transport by adding the next
# transport nodes address to the header, and modifying the flags.
# This rule applies both for "normal" transport, and when connected
# to a local shared Reticulum instance.
if Transport.destination_table[packet.destination_hash][2] > 1:
if packet.header_type == RNS.Packet.HEADER_1:
# Insert packet into transport
@ -333,10 +338,18 @@ class Transport:
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 transport via "+RNS.prettyhexrep(Transport.destination_table[packet.destination_hash][1])+" on: "+str(outbound_interface), RNS.LOG_DEBUG)
RNS.log("Packet was inserted into transport via "+RNS.prettyhexrep(Transport.destination_table[packet.destination_hash][1])+" on: "+str(outbound_interface), RNS.LOG_EXTREME)
outbound_interface.processOutgoing(new_raw)
Transport.destination_table[packet.destination_hash][0] = time.time()
sent = True
# In the special case where we are connected to a local shared
# Reticulum instance, and the destination is one hop away, we
# also add transport headers to inject the packet into transport
# via the shared instance. Normally a packet for a destination
# one hop away would just be broadcast directly, but since we
# are "behind" a shared instance, we need to get that instance
# to transport it onto the network.
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
@ -346,19 +359,23 @@ class Transport:
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)
RNS.log("Packet was inserted into transport via "+RNS.prettyhexrep(Transport.destination_table[packet.destination_hash][1])+" on: "+str(outbound_interface), RNS.LOG_EXTREME)
outbound_interface.processOutgoing(new_raw)
Transport.destination_table[packet.destination_hash][0] = time.time()
sent = True
# If none of the above applies, we know the destination is
# directly reachable, and also on which interface, so we
# simply transmit the packet directly on that one.
else:
# Destination is directly reachable, and we know on
# what interface, so transmit only on that one
outbound_interface.processOutgoing(packet.raw)
sent = True
# If we don't have a known path for the destination, we'll
# broadcast the packet on all outgoing interfaces, or the
# just the relevant interface if the packet has an attached
# interface, or belongs to a link.
else:
# Broadcast packet on all outgoing interfaces, or the relevant
# interface if packet is for a link or has an attached interface
for interface in Transport.interfaces:
if interface.OUT:
should_transmit = True