mirror of
https://github.com/markqvist/Reticulum.git
synced 2024-11-22 21:50:18 +00:00
Compare commits
No commits in common. "67ee8d6aabcf34bff7940098bb5ea8cd19cfd185" and "f71c1986afa97a88471aaeff968a6610ad5e1951" have entirely different histories.
67ee8d6aab
...
f71c1986af
@ -900,13 +900,6 @@ class Link:
|
||||
def register_incoming_resource(self, resource):
|
||||
self.incoming_resources.append(resource)
|
||||
|
||||
def has_incoming_resource(self, resource):
|
||||
for incoming_resource in self.incoming_resources:
|
||||
if incoming_resource.hash == resource.hash:
|
||||
return True
|
||||
|
||||
return False
|
||||
|
||||
def cancel_outgoing_resource(self, resource):
|
||||
if resource in self.outgoing_resources:
|
||||
self.outgoing_resources.remove(resource)
|
||||
|
||||
@ -172,26 +172,20 @@ class Resource:
|
||||
|
||||
resource.consecutive_completed_height = 0
|
||||
|
||||
if not resource.link.has_incoming_resource(resource):
|
||||
resource.link.register_incoming_resource(resource)
|
||||
resource.link.register_incoming_resource(resource)
|
||||
|
||||
RNS.log("Accepting resource advertisement for "+RNS.prettyhexrep(resource.hash), RNS.LOG_DEBUG)
|
||||
if resource.link.callbacks.resource_started != None:
|
||||
try:
|
||||
resource.link.callbacks.resource_started(resource)
|
||||
except Exception as e:
|
||||
RNS.log("Error while executing resource started callback from "+str(resource)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
RNS.log("Accepting resource advertisement for "+RNS.prettyhexrep(resource.hash), RNS.LOG_DEBUG)
|
||||
if resource.link.callbacks.resource_started != None:
|
||||
try:
|
||||
resource.link.callbacks.resource_started(resource)
|
||||
except Exception as e:
|
||||
RNS.log("Error while executing resource started callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
|
||||
resource.hashmap_update(0, resource.hashmap_raw)
|
||||
resource.hashmap_update(0, resource.hashmap_raw)
|
||||
|
||||
resource.watchdog_job()
|
||||
|
||||
return resource
|
||||
|
||||
else:
|
||||
RNS.log("Ignoring resource advertisement for "+RNS.prettyhexrep(resource.hash)+", resource already transferring", RNS.LOG_DEBUG)
|
||||
return None
|
||||
resource.watchdog_job()
|
||||
|
||||
return resource
|
||||
except Exception as e:
|
||||
RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG)
|
||||
return None
|
||||
@ -403,7 +397,8 @@ class Resource:
|
||||
thread.start()
|
||||
|
||||
def __advertise_job(self):
|
||||
self.advertisement_packet = RNS.Packet(self.link, ResourceAdvertisement(self).pack(), context=RNS.Packet.RESOURCE_ADV)
|
||||
data = ResourceAdvertisement(self).pack()
|
||||
self.advertisement_packet = RNS.Packet(self.link, data, context=RNS.Packet.RESOURCE_ADV)
|
||||
while not self.link.ready_for_new_resource():
|
||||
self.status = Resource.QUEUED
|
||||
sleep(0.25)
|
||||
@ -450,8 +445,7 @@ class Resource:
|
||||
try:
|
||||
RNS.log("No part requests received, retrying resource advertisement...", RNS.LOG_DEBUG)
|
||||
self.retries_left -= 1
|
||||
self.advertisement_packet = RNS.Packet(self.link, ResourceAdvertisement(self).pack(), context=RNS.Packet.RESOURCE_ADV)
|
||||
self.advertisement_packet.send()
|
||||
self.advertisement_packet.resend()
|
||||
self.last_activity = time.time()
|
||||
self.adv_sent = self.last_activity
|
||||
sleep_time = 0.001
|
||||
|
||||
@ -66,7 +66,6 @@ class Transport:
|
||||
PATH_REQUEST_TIMEOUT = 15 # Default timuout for client path requests in seconds
|
||||
PATH_REQUEST_GRACE = 0.35 # Grace time before a path announcement is made, allows directly reachable peers to respond first
|
||||
PATH_REQUEST_RW = 2 # Path request random window
|
||||
PATH_REQUEST_MI = 5 # Minimum interval in seconds for automated path requests
|
||||
|
||||
LINK_TIMEOUT = RNS.Link.STALE_TIME * 1.25
|
||||
REVERSE_TIMEOUT = 30*60 # Reverse table entries are removed after 30 minutes
|
||||
@ -93,7 +92,6 @@ class Transport:
|
||||
announce_handlers = [] # A table storing externally registered announce handlers
|
||||
tunnels = {} # A table storing tunnels to other transport instances
|
||||
announce_rate_table = {} # A table for keeping track of announce rates
|
||||
path_requests = {} # A table for storing path request timestamps
|
||||
|
||||
discovery_path_requests = {} # A table for keeping track of path requests on behalf of other nodes
|
||||
discovery_pr_tags = [] # A table for keeping track of tagged path requests
|
||||
@ -287,7 +285,6 @@ class Transport:
|
||||
@staticmethod
|
||||
def jobs():
|
||||
outgoing = []
|
||||
path_requests = []
|
||||
Transport.jobs_running = True
|
||||
|
||||
try:
|
||||
@ -383,24 +380,8 @@ class Transport:
|
||||
stale_links = []
|
||||
for link_id in Transport.link_table:
|
||||
link_entry = Transport.link_table[link_id]
|
||||
if link_entry[7] == True:
|
||||
if time.time() > link_entry[0] + Transport.LINK_TIMEOUT:
|
||||
stale_links.append(link_id)
|
||||
else:
|
||||
if time.time() > link_entry[8]:
|
||||
stale_links.append(link_id)
|
||||
|
||||
last_path_request = 0
|
||||
if link_entry[6] in Transport.path_requests:
|
||||
last_path_request = Transport.path_requests[link_entry[6]]
|
||||
|
||||
# If this link request was originated from this instance
|
||||
# or a local client, attempt to rediscover a path to the
|
||||
# destination, if it has not already happened recently.
|
||||
lr_taken_hops = link_entry[5]
|
||||
if lr_taken_hops == 0 and time.time() - last_path_request > Transport.PATH_REQUEST_MI:
|
||||
RNS.log("Trying to rediscover path for "+RNS.prettyhexrep(link_entry[6])+" since an attempted link was never established", RNS.LOG_DEBUG)
|
||||
path_requests.append(link_entry[6])
|
||||
if time.time() > link_entry[0] + Transport.LINK_TIMEOUT:
|
||||
stale_links.append(link_id)
|
||||
|
||||
# Cull the path table
|
||||
stale_paths = []
|
||||
@ -532,9 +513,6 @@ class Transport:
|
||||
for packet in outgoing:
|
||||
packet.send()
|
||||
|
||||
for destination_hash in path_requests:
|
||||
Transport.request_path(destination_hash)
|
||||
|
||||
@staticmethod
|
||||
def transmit(interface, raw):
|
||||
try:
|
||||
@ -1020,19 +998,15 @@ class Transport:
|
||||
outbound_interface = Transport.destination_table[packet.destination_hash][5]
|
||||
|
||||
if packet.packet_type == RNS.Packet.LINKREQUEST:
|
||||
now = time.time()
|
||||
proof_timeout = now + RNS.Link.ESTABLISHMENT_TIMEOUT_PER_HOP * max(1, remaining_hops)
|
||||
|
||||
# Entry format is
|
||||
link_entry = [ now, # 0: Timestamp,
|
||||
link_entry = [ time.time(), # 0: Timestamp,
|
||||
next_hop, # 1: Next-hop transport ID
|
||||
outbound_interface, # 2: Next-hop interface
|
||||
remaining_hops, # 3: Remaining hops
|
||||
packet.receiving_interface, # 4: Received on interface
|
||||
packet.hops, # 5: Taken hops
|
||||
packet.destination_hash, # 6: Original destination hash
|
||||
False, # 7: Validated
|
||||
proof_timeout] # 8: Proof timeout timestamp
|
||||
False] # 7: Validated
|
||||
|
||||
Transport.link_table[packet.getTruncatedHash()] = link_entry
|
||||
|
||||
@ -1232,9 +1206,9 @@ class Transport:
|
||||
|
||||
retransmit_timeout = now + (RNS.rand() * Transport.PATHFINDER_RW)
|
||||
|
||||
if hasattr(packet.receiving_interface, "mode") and packet.receiving_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT:
|
||||
if packet.receiving_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ACCESS_POINT:
|
||||
expires = now + Transport.AP_PATH_TIME
|
||||
elif hasattr(packet.receiving_interface, "mode") and packet.receiving_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ROAMING:
|
||||
elif packet.receiving_interface.mode == RNS.Interfaces.Interface.Interface.MODE_ROAMING:
|
||||
expires = now + Transport.ROAMING_PATH_TIME
|
||||
else:
|
||||
expires = now + Transport.PATHFINDER_E
|
||||
@ -1407,11 +1381,10 @@ class Transport:
|
||||
|
||||
# Handling for linkrequests to local destinations
|
||||
elif packet.packet_type == RNS.Packet.LINKREQUEST:
|
||||
if packet.transport_id == None or packet.transport_id == Transport.identity.hash:
|
||||
for destination in Transport.destinations:
|
||||
if destination.hash == packet.destination_hash and destination.type == packet.destination_type:
|
||||
packet.destination = destination
|
||||
destination.receive(packet)
|
||||
for destination in Transport.destinations:
|
||||
if destination.hash == packet.destination_hash and destination.type == packet.destination_type:
|
||||
packet.destination = destination
|
||||
destination.receive(packet)
|
||||
|
||||
# Handling for local data packets
|
||||
elif packet.packet_type == RNS.Packet.DATA:
|
||||
@ -1445,29 +1418,14 @@ class Transport:
|
||||
if (RNS.Reticulum.transport_enabled() or for_local_client_link or from_local_client) and packet.destination_hash in Transport.link_table:
|
||||
link_entry = Transport.link_table[packet.destination_hash]
|
||||
if packet.receiving_interface == link_entry[2]:
|
||||
try:
|
||||
if len(packet.data) == RNS.Identity.SIGLENGTH//8+RNS.Link.ECPUBSIZE//2:
|
||||
peer_pub_bytes = packet.data[RNS.Identity.SIGLENGTH//8:RNS.Identity.SIGLENGTH//8+RNS.Link.ECPUBSIZE//2]
|
||||
peer_identity = RNS.Identity.recall(link_entry[6])
|
||||
peer_sig_pub_bytes = peer_identity.get_public_key()[RNS.Link.ECPUBSIZE//2:RNS.Link.ECPUBSIZE]
|
||||
|
||||
signed_data = packet.destination_hash+peer_pub_bytes+peer_sig_pub_bytes
|
||||
signature = packet.data[:RNS.Identity.SIGLENGTH//8]
|
||||
|
||||
if peer_identity.validate(signature, signed_data):
|
||||
RNS.log("Link request proof validated for transport via "+str(link_entry[4]), RNS.LOG_EXTREME)
|
||||
new_raw = packet.raw[0:1]
|
||||
new_raw += struct.pack("!B", packet.hops)
|
||||
new_raw += packet.raw[2:]
|
||||
Transport.link_table[packet.destination_hash][7] = True
|
||||
Transport.transmit(link_entry[4], new_raw)
|
||||
|
||||
else:
|
||||
RNS.log("Invalid link request proof in transport for link "+RNS.prettyhexrep(packet.destination_hash)+", dropping proof.", RNS.LOG_DEBUG)
|
||||
|
||||
except Exception as e:
|
||||
RNS.log("Error while transporting link request proof. The contained exception was: "+str(e), RNS.LOG_ERROR)
|
||||
|
||||
# TODO: Should we validate the LR proof at each transport
|
||||
# step before transporting it?
|
||||
# RNS.log("Link request proof received on correct interface, transporting it via "+str(link_entry[4]), RNS.LOG_EXTREME)
|
||||
new_raw = packet.raw[0:1]
|
||||
new_raw += struct.pack("!B", packet.hops)
|
||||
new_raw += packet.raw[2:]
|
||||
Transport.link_table[packet.destination_hash][7] = True
|
||||
Transport.transmit(link_entry[4], new_raw)
|
||||
else:
|
||||
RNS.log("Link request proof received on wrong interface, not transporting it.", RNS.LOG_DEBUG)
|
||||
else:
|
||||
@ -1871,7 +1829,6 @@ class Transport:
|
||||
on_interface.announce_allowed_at = now + wait_time
|
||||
|
||||
packet.send()
|
||||
Transport.path_requests[destination_hash] = time.time()
|
||||
|
||||
@staticmethod
|
||||
def path_request_handler(data, packet):
|
||||
|
||||
Loading…
Reference in New Issue
Block a user