def outbound(packet):
while (Transport.jobs_running):
sleep(0.01)
Transport.jobs_locked = True
packet.updateHash()
sent = False
for interface in Transport.interfaces:
if interface.OUT:
should_transmit = True
if packet.destination.type == RNS.Destination.LINK:
if packet.destination.status == RNS.Link.CLOSED:
should_transmit = False
if interface != packet.destination.attached_interface:
should_transmit = False
if should_transmit:
# TODO: Remove
RNS.log(
"Transmitting " + str(len(packet.raw)) +
" bytes via: " + str(interface), RNS.LOG_EXTREME)
RNS.log("Hash is " + RNS.prettyhexrep(packet.packet_hash),
RNS.LOG_EXTREME)
interface.processOutgoing(packet.raw)
sent = True
if sent:
packet.sent = True
packet.sent_at = time.time()
if (packet.packet_type == RNS.Packet.DATA):
packet.receipt = RNS.PacketReceipt(packet)
Transport.receipts.append(packet.receipt)
Transport.cache(packet)
Transport.jobs_locked = False
return sent
def outbound(packet):
while (Transport.jobs_running):
sleep(0.01)
Transport.jobs_locked = True
# TODO: This updateHash call might be redundant
packet.updateHash()
sent = False
# Check if we have a known path for the destination
# in the destination table
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 Transport.destination_table[packet.destination_hash][2] > 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:]
RNS.log(
"Packet was inserted into 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
RNS.log(
"Transmitting " + str(len(packet.raw)) + " bytes on: " +
str(outbound_interface), RNS.LOG_EXTREME)
RNS.log("Hash is " + RNS.prettyhexrep(packet.packet_hash),
RNS.LOG_EXTREME)
outbound_interface.processOutgoing(packet.raw)
sent = True
else:
# Broadcast packet on all outgoing interfaces, or relevant
# interface, if packet is for a link or has an attachede interface
for interface in Transport.interfaces:
if interface.OUT:
should_transmit = True
if packet.destination.type == RNS.Destination.LINK:
if packet.destination.status == RNS.Link.CLOSED:
should_transmit = False
if interface != packet.destination.attached_interface:
should_transmit = False
if packet.attached_interface != None and interface != packet.attached_interface:
should_transmit = False
if should_transmit:
RNS.log(
"Transmitting " + str(len(packet.raw)) +
" bytes on: " + str(interface), RNS.LOG_EXTREME)
RNS.log(
"Hash is " + RNS.prettyhexrep(packet.packet_hash),
RNS.LOG_EXTREME)
interface.processOutgoing(packet.raw)
sent = True
if sent:
packet.sent = True
packet.sent_at = time.time()
if (packet.packet_type == RNS.Packet.DATA
and packet.destination.type != RNS.Destination.PLAIN):
packet.receipt = RNS.PacketReceipt(packet)
Transport.receipts.append(packet.receipt)
Transport.cache(packet)
Transport.jobs_locked = False
return sent
