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Moving large transfers to recursive resource segmentation

This commit is contained in:
Mark Qvist 2020-08-12 20:48:16 +02:00
parent 4a3ee622ec
commit 6b2b66aa25
6 changed files with 141 additions and 320 deletions
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10
Examples/Filetransfer.py
View File

@ -135,16 +135,14 @@ def client_request(message, packet):
# read it and pack it as a resource # read it and pack it as a resource
RNS.log("Client requested \""+filename+"\"") RNS.log("Client requested \""+filename+"\"")
file = open(os.path.join(serve_path, filename), "rb") file = open(os.path.join(serve_path, filename), "rb")
file_data = file.read() file_resource = RNS.Resource(file, packet.link, callback=resource_sending_concluded)
file.close()
file_resource = RNS.Resource(file_data, packet.link, callback=resource_sending_concluded)
file_resource.filename = filename file_resource.filename = filename
except: except Exception as e:
# If somethign went wrong, we close # If somethign went wrong, we close
# the link # the link
RNS.log("Error while reading file \""+filename+"\"", RNS.LOG_ERROR) RNS.log("Error while reading file \""+filename+"\"", RNS.LOG_ERROR)
packet.link.teardown() packet.link.teardown()
raise e
else: else:
# If we don't have it, we close the link # If we don't have it, we close the link
RNS.log("Client requested an unknown file") RNS.log("Client requested an unknown file")
@ -484,7 +482,7 @@ def download_concluded(resource):
try: try:
file = open(saved_filename, "wb") file = open(saved_filename, "wb")
file.write(resource.data) file.write(resource.data.read())
file.close() file.close()
menu_mode = "download_concluded" menu_mode = "download_concluded"
except: except:

227
RNS/Bundle.py
View File

@ -1,227 +0,0 @@
import RNS
import time
import os
import os.path
from .vendor import umsgpack as umsgpack
class Bundle:
APP_NAME = "rnsbundle"
NO_CUSTODY = 0x00;
TAKING_CUSTODY = 0x01;
FULL_CUSTODY = 0x02;
REMOVED = 0xFF;
CHUNK_SIZE = RNS.Resource.MAX_EFFICIENT_SIZE / 4
def __init__(self, destination_hash = None, data = None, filepath = None, advertisement_data = None):
self.destination_hash = None
self.is_originator = False
self.state = None
self.data_file = None
self.meta_file = None
self.data_hash = None
self.id = None
self.storagepath = None
self.size = None
self.chunks = 0
self.created = time.time()
self.heartbeat = created
self.transferring = False
self.chunk_request_destination = None
try:
if data != None or filepath != None:
self.destination_hash = destination_hash
self.is_originator = True
self.id = RNS.Identity.getRandomHash()
if filepath == None and data != None:
try:
self.data_hash = RNS.Identity.fullHash(data)
self.storagepath = Reticulum.bundlepath+"/"+self.id.hex()
self.datapath = self.storagepath+"/data"
self.metadatapath = self.storagepath+"/metadata"
if not os.path.isdir(self.storagepath):
os.makedirs(self.storagepath)
else:
RNS.log("Warning, bundle already exists in storage location, recreating", RNS.LOG_DEBUG)
self.data_file = open(self.datapath, "wb")
self.data_file.write(data)
self.data_file.close()
except Exception as e:
RNS.log("Error while initialising bundle from data, the contained exception was:", RNS.LOG_ERROR)
RNS.log(str(e))
self.state = Bundle.FULL_CUSTODY
elif data == None and filepath != None:
try:
input_file = open(filepath, "rb")
self.data_hash = RNS.Identity.fullHash(input_file.read())
input_file.seek(0)
self.storagepath = RNS.Reticulum.bundlepath+"/"+self.id.hex()
self.datapath = self.storagepath+"/data"
self.metadatapath = self.storagepath+"/metadata"
if not os.path.isdir(self.storagepath):
os.makedirs(self.storagepath)
else:
RNS.log("Warning, bundle already exists in storage location, recreating", RNS.LOG_DEBUG)
self.data_file = open(self.datapath, "wb")
self.data_file.write(input_file.read())
self.data_file.close()
input_file.close()
except Exception as e:
RNS.log("Error while reading input file for bundle, the contained exception was:", RNS.LOG_ERROR)
RNS.log(str(e))
self.state = Bundle.FULL_CUSTODY
else:
raise ValueError("Bundle cannot be created from data and file path at the same time")
# Prepare file handles and metadata
self.size = os.stat(self.datapath).st_size
if self.size < 1:
raise IOError("Bundle data is empty")
self.data_file = open(self.datapath, "rb")
elif advertisement_data != None:
# Incoming bundle transfer
self.id = advertisement_data[1]
self.destination_hash = advertisement_data[0]
self.state = Bundle.TAKING_CUSTODY
self.storagepath = Reticulum.bundlepath+"/"+self.id.hex()
self.datapath = self.storagepath+"/data"
self.metadatapath = self.storagepath+"/metadata"
if not os.path.isdir(self.storagepath):
os.makedirs(self.storagepath)
else:
RNS.log("Warning, bundle already exists in storage location, recreating", RNS.LOG_DEBUG)
self.data_file = open(self.datapath, "wb")
self.data_file.close()
self.size = advertisement_data[2]
self.data_file = open(self.datapath, "wb")
else:
raise ValueError("No source of data specified for bundle initialisation")
self.chunks = ((self.size-1)//Bundle.CHUNK_SIZE)+1
self.flush_metadata()
RNS.Transport.register_bundle(self)
except Exception as e:
RNS.log("Error while initialising bundle. The contained exception was:", RNS.LOG_ERROR)
RNS.log(str(e), RNS.LOG_ERROR)
# TODO: Remove
raise e
def get_packed_metadata(self):
metadata = {
"destination": self.destination,
"heartbeat": self.heartbeat,
"size": self.size,
"is_originator": self.is_originator
"state": self.state}
return umsgpack.packb(metadata)
def flush_metadata(self):
try:
self.meta_file = open(self.metadatapath, "wb")
self.meta_file.write(self.get_packed_metadata())
self.meta_file.close()
except Exception as e:
RNS.log("Error while flushing metadata for bundle "+RNS.prettyhexrep(self.id), RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
def register_destinations(self, destination):
self.chunk_request_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.SINGLE, APP_NAME, "chunk", "request")
self.chunk_request_destination.link_established_callback(requester_connected)
def advertise(self, advertise_to):
advertisement = [
self.destination,
self.id,
self.size,
self.chunks]
advertisement_data = umsgpack.packb(advertisement)
advertisement_packet = RNS.Packet(advertise_to, advertisement_data)
advertisement.packet.send()
def requester_connected(self, link):
RNS.log("Requester connected to bundle "+RNS.prettyhexrep(self.id), RNS.LOG_DEBUG)
link.packet_callback(chunk_request)
def chunk_request(self, data, packet):
chunk_index = data[0]
RNS.log("Request for chunk "+str(chunk_index)+"/"+str(self.chunks)+" of bundle "+RNS.prettyhexrep(self.id), RNS.LOG_DEBUG)
if chunk_index < self.chunks:
self.emit_resource(packet.link, chunk_index)
else:
RNS.log("Bundle transfer client requested chunk index out of range, tearing down link.", RNS.LOG_ERROR)
packet.link.teardown()
def emit_resource(self, link, chunk_index):
if not self.transferring:
chunk_max = self.size-1
chunk_start = chunk_index*CHUNK_SIZE
chunk_end = (chunk_index+1)*CHUNK_SIZE-1
if chunk_end > chunk_max:
chunk_end = chunk_max
read_size = chunk_end - chunk_start
try:
file = open(self.datapath, "rb")
file.seek(chunk_start)
data = file.read(read_size)
chunk_resource = RNS.Resource(data, link, callback=resource_concluded)
chunk_resource.chunk_index = chunk_index
except Exception as e:
RNS.log("Could not read bundle data from storage, the contained exception was:", RNS.LOG_ERROR)
RNS.log(str(e))
link.teardown()
else:
RNS.log("Bundle chunk "+str(chunk_index)+" for "+RNS.prettyhexrep(self.id)+" was requested while a transfer was already in progress", RNS.LOG_ERROR)
def resource_concluded(self, resource):
RNS.log("Concluded transferring chunk "+str(resource.chunk_index)+"/"+str(self.chunks)+" of bundle "+RNS.prettyhexrep(self.id), RNS.LOG_DEBUG)
self.transferring = False
def resign_custody(self):
self.state = Bundle.NO_CUSTODY
self.heartbeat = time.time()
def custody_proof(self, proof):
pass
def remove(self):
try:
self.state = Bundle.REMOVED
RNS.Transport.deregister_destination(self.chunk_request_destination)
os.unlink(self.datapath)
os.unlink(self.metadatapath)
os.rmdir(self.storagepath)
except Exception as e:
RNS.log("Error while removing bundle from storage, the contained exception was:", RNS.LOG_ERROR)
RNS.log(str(e), RNS.LOG_ERROR)
class BundleAdvertisement:
pass

133
RNS/Resource.py
View File

@ -1,4 +1,5 @@
import RNS import RNS
import os
import bz2 import bz2
import math import math
import time import time
@ -63,6 +64,7 @@ class Resource:
resource.size = adv.t resource.size = adv.t
resource.uncompressed_size = adv.d resource.uncompressed_size = adv.d
resource.hash = adv.h resource.hash = adv.h
resource.original_hash = adv.o
resource.random_hash = adv.r resource.random_hash = adv.r
resource.hashmap_raw = adv.m resource.hashmap_raw = adv.m
resource.encrypted = True if resource.flags & 0x01 else False resource.encrypted = True if resource.flags & 0x01 else False
@ -80,6 +82,14 @@ class Resource:
resource.window_flexibility = Resource.WINDOW_FLEXIBILITY resource.window_flexibility = Resource.WINDOW_FLEXIBILITY
resource.last_activity = time.time() resource.last_activity = time.time()
resource.storagepath = RNS.Reticulum.resourcepath+"/"+resource.original_hash.hex()
resource.segment_index = adv.i
resource.total_segments = adv.l
if adv.l > 1:
resource.split = True
else:
resource.split = False
resource.hashmap = [None] * resource.total_parts resource.hashmap = [None] * resource.total_parts
resource.hashmap_height = 0 resource.hashmap_height = 0
resource.waiting_for_hmu = False resource.waiting_for_hmu = False
@ -98,11 +108,53 @@ class Resource:
resource.watchdog_job() resource.watchdog_job()
return resource return resource
except: except Exception as e:
RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG) RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG)
# TODO: Remove
raise e
return None return None
def __init__(self, data, link, advertise=True, auto_compress=True, must_compress=False, callback=None, progress_callback=None): # Create a resource for transmission to a remote destination
# The data passed can be either a bytes-array or a file opened
# in binary read mode.
def __init__(self, data, link, advertise=True, auto_compress=True, must_compress=False, callback=None, progress_callback=None, segment_index = 1, original_hash = None):
data_size = None
resource_data = None
if hasattr(data, "read"):
data_size = os.stat(data.name).st_size
if data_size <= Resource.MAX_EFFICIENT_SIZE:
self.total_segments = 1
self.segment_index = 1
self.split = False
resource_data = data.read()
data.close()
else:
self.total_segments = ((data_size-1)//Resource.MAX_EFFICIENT_SIZE)+1
self.segment_index = segment_index
self.split = True
seek_index = segment_index-1
seek_position = seek_index*Resource.MAX_EFFICIENT_SIZE
data.seek(seek_position)
resource_data = data.read(Resource.MAX_EFFICIENT_SIZE)
self.input_file = data
elif isinstance(data, bytes):
data_size = len(data)
resource_data = data
self.total_segments = 1
self.segment_index = 1
self.split = False
elif data == None:
pass
else:
raise TypeError("Invalid data instance type passed to resource initialisation")
data = resource_data
self.status = Resource.NONE self.status = Resource.NONE
self.link = link self.link = link
self.max_retries = Resource.MAX_RETRIES self.max_retries = Resource.MAX_RETRIES
@ -115,6 +167,7 @@ class Resource:
self.__watchdog_job_id = 0 self.__watchdog_job_id = 0
self.__progress_callback = progress_callback self.__progress_callback = progress_callback
self.rtt = None self.rtt = None
self.grand_total_parts = math.ceil(data_size/Resource.SDU)
self.receiver_min_consecutive_height = 0 self.receiver_min_consecutive_height = 0
@ -179,6 +232,11 @@ class Resource:
self.hash = RNS.Identity.fullHash(data+self.random_hash) self.hash = RNS.Identity.fullHash(data+self.random_hash)
self.expected_proof = RNS.Identity.fullHash(data+self.hash) self.expected_proof = RNS.Identity.fullHash(data+self.hash)
if original_hash == None:
self.original_hash = self.hash
else:
self.original_hash = original_hash
self.parts = [] self.parts = []
self.hashmap = b"" self.hashmap = b""
collision_guard_list = [] collision_guard_list = []
@ -379,6 +437,9 @@ class Resource:
calculated_hash = RNS.Identity.fullHash(self.data+self.random_hash) calculated_hash = RNS.Identity.fullHash(self.data+self.random_hash)
if calculated_hash == self.hash: if calculated_hash == self.hash:
self.file = open(self.storagepath, "ab")
self.file.write(self.data)
self.file.close()
self.status = Resource.COMPLETE self.status = Resource.COMPLETE
self.prove() self.prove()
else: else:
@ -390,10 +451,22 @@ class Resource:
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR) RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
self.status = Resource.CORRUPT self.status = Resource.CORRUPT
if self.callback != None:
self.link.resource_concluded(self) self.link.resource_concluded(self)
if self.segment_index == self.total_segments:
if self.callback != None:
self.data = open(self.storagepath, "rb")
self.callback(self) self.callback(self)
try:
self.data.close()
os.unlink(self.storagepath)
except Exception as e:
RNS.log("Error while cleaning up resource files, the contained exception was:", RNS.LOG_ERROR)
RNS.log(str(e))
else:
RNS.log("Resource segment "+str(self.segment_index)+" of "+str(self.total_segments)+" received, waiting for next segment to be announced", RNS.LOG_VERBOSE)
def prove(self): def prove(self):
if not self.status == Resource.FAILED: if not self.status == Resource.FAILED:
@ -412,9 +485,16 @@ class Resource:
if len(proof_data) == RNS.Identity.HASHLENGTH//8*2: if len(proof_data) == RNS.Identity.HASHLENGTH//8*2:
if proof_data[RNS.Identity.HASHLENGTH//8:] == self.expected_proof: if proof_data[RNS.Identity.HASHLENGTH//8:] == self.expected_proof:
self.status = Resource.COMPLETE self.status = Resource.COMPLETE
if self.callback != None:
self.link.resource_concluded(self) self.link.resource_concluded(self)
if self.segment_index == self.total_segments:
# If all segments were processed, we'll
# signal that the resource sending concluded
if self.callback != None:
self.callback(self) self.callback(self)
else:
# Otherwise we'll recursively create the
# next segment of the resource
Resource(self.input_file, self.link, callback = self.callback, segment_index = self.segment_index+1, original_hash=self.original_hash)
else: else:
pass pass
else: else:
@ -637,9 +717,21 @@ class Resource:
def progress(self): def progress(self):
if self.initiator: if self.initiator:
progress = self.sent_parts / len(self.parts) # TODO: Remove
# progress = self.sent_parts / len(self.parts)
self.processed_parts = (self.segment_index-1)*math.ceil(Resource.MAX_EFFICIENT_SIZE/Resource.SDU)
self.processed_parts += self.sent_parts
self.progress_total_parts = float(self.grand_total_parts)
else: else:
progress = self.received_count / float(self.total_parts) self.processed_parts = (self.segment_index-1)*math.ceil(Resource.MAX_EFFICIENT_SIZE/Resource.SDU)
self.processed_parts += self.received_count
if self.split:
self.progress_total_parts = float((self.total_segments-1)*math.ceil(Resource.MAX_EFFICIENT_SIZE/Resource.SDU)+self.total_parts)
else:
self.progress_total_parts = float(self.total_parts)
progress = self.processed_parts / self.progress_total_parts
return progress return progress
def __str__(self): def __str__(self):
@ -647,7 +739,7 @@ class Resource:
class ResourceAdvertisement: class ResourceAdvertisement:
HASHMAP_MAX_LEN = 84 HASHMAP_MAX_LEN = 75
COLLISION_GUARD_SIZE = 2*Resource.WINDOW_MAX+HASHMAP_MAX_LEN COLLISION_GUARD_SIZE = 2*Resource.WINDOW_MAX+HASHMAP_MAX_LEN
def __init__(self, resource=None): def __init__(self, resource=None):
@ -657,26 +749,33 @@ class ResourceAdvertisement:
self.n = len(resource.parts) # Number of parts self.n = len(resource.parts) # Number of parts
self.h = resource.hash # Resource hash self.h = resource.hash # Resource hash
self.r = resource.random_hash # Resource random hash self.r = resource.random_hash # Resource random hash
self.o = resource.original_hash # First-segment hash
self.m = resource.hashmap # Resource hashmap self.m = resource.hashmap # Resource hashmap
self.c = resource.compressed # Compression flag self.c = resource.compressed # Compression flag
self.e = resource.encrypted # Encryption flag self.e = resource.encrypted # Encryption flag
self.f = 0x00 | self.c << 1 | self.e # Flags self.s = resource.split # Split flag
self.i = resource.segment_index # Segment index
self.l = resource.total_segments # Total segments
self.f = 0x00 | self.s << 2 | self.c << 1 | self.e # Flags
def pack(self, segment=0): def pack(self, segment=0):
hashmap_start = segment*ResourceAdvertisement.HASHMAP_MAX_LEN hashmap_start = segment*ResourceAdvertisement.HASHMAP_MAX_LEN
hashmap_end = min((segment+1)*ResourceAdvertisement.HASHMAP_MAX_LEN, self.n) hashmap_end = min((segment+1)*(ResourceAdvertisement.HASHMAP_MAX_LEN), self.n)
hashmap = b"" hashmap = b""
for i in range(hashmap_start,hashmap_end): for i in range(hashmap_start,hashmap_end):
hashmap += self.m[i*Resource.MAPHASH_LEN:(i+1)*Resource.MAPHASH_LEN] hashmap += self.m[i*Resource.MAPHASH_LEN:(i+1)*Resource.MAPHASH_LEN]
dictionary = { dictionary = {
"t": self.t, "t": self.t, # Transfer size
"d": self.d, "d": self.d, # Data size
"n": self.n, "n": self.n, # Number of parts
"h": self.h, "h": self.h, # Resource hash
"r": self.r, "r": self.r, # Resource random hash
"f": self.f, "o": self.o, # Original hash
"i": self.i, # Segment index
"l": self.l, # Total segments
"f": self.f, # Resource flags
"m": hashmap "m": hashmap
} }
@ -692,9 +791,13 @@ class ResourceAdvertisement:
adv.n = dictionary["n"] adv.n = dictionary["n"]
adv.h = dictionary["h"] adv.h = dictionary["h"]
adv.r = dictionary["r"] adv.r = dictionary["r"]
adv.o = dictionary["o"]
adv.m = dictionary["m"] adv.m = dictionary["m"]
adv.f = dictionary["f"] adv.f = dictionary["f"]
adv.i = dictionary["i"]
adv.l = dictionary["l"]
adv.e = True if (adv.f & 0x01) == 0x01 else False adv.e = True if (adv.f & 0x01) == 0x01 else False
adv.c = True if ((adv.f >> 1) & 0x01) == 0x01 else False adv.c = True if ((adv.f >> 1) & 0x01) == 0x01 else False
adv.s = True if ((adv.f >> 2) & 0x01) == 0x01 else False
return adv return adv

6
RNS/Reticulum.py
View File

@ -34,7 +34,7 @@ class Reticulum:
Reticulum.configpath = Reticulum.configdir+"/config" Reticulum.configpath = Reticulum.configdir+"/config"
Reticulum.storagepath = Reticulum.configdir+"/storage" Reticulum.storagepath = Reticulum.configdir+"/storage"
Reticulum.cachepath = Reticulum.configdir+"/storage/cache" Reticulum.cachepath = Reticulum.configdir+"/storage/cache"
Reticulum.bundlepath = Reticulum.configdir+"/storage/bundles" Reticulum.resourcepath = Reticulum.configdir+"/storage/resources"
Reticulum.__allow_unencrypted = False Reticulum.__allow_unencrypted = False
Reticulum.__transport_enabled = False Reticulum.__transport_enabled = False
@ -53,8 +53,8 @@ class Reticulum:
if not os.path.isdir(Reticulum.cachepath): if not os.path.isdir(Reticulum.cachepath):
os.makedirs(Reticulum.cachepath) os.makedirs(Reticulum.cachepath)
if not os.path.isdir(Reticulum.bundlepath): if not os.path.isdir(Reticulum.resourcepath):
os.makedirs(Reticulum.bundlepath) os.makedirs(Reticulum.resourcepath)
if os.path.isfile(self.configpath): if os.path.isfile(self.configpath):
try: try:

52
RNS/Transport.py
View File

@ -43,9 +43,6 @@ class Transport:
DESTINATION_TIMEOUT = 60*60*24*7 # Destination table entries are removed if unused for one week DESTINATION_TIMEOUT = 60*60*24*7 # Destination table entries are removed if unused for one week
MAX_RECEIPTS = 1024 # Maximum number of receipts to keep track of MAX_RECEIPTS = 1024 # Maximum number of receipts to keep track of
BUNDLE_TIMEOUT = 60*60*24*7 # Bundles time out after 7 days
BUNDLE_INTERVAL = 180 # How often we should attempt to transfer bundles to their next hop
interfaces = [] # All active interfaces interfaces = [] # All active interfaces
destinations = [] # All active destinations destinations = [] # All active destinations
pending_links = [] # Links that are being established pending_links = [] # Links that are being established
@ -58,7 +55,6 @@ class Transport:
destination_table = {} # A lookup table containing the next hop to a given destination destination_table = {} # A lookup table containing the next hop to a given destination
reverse_table = {} # A lookup table for storing packet hashes used to return proofs and replies reverse_table = {} # A lookup table for storing packet hashes used to return proofs and replies
link_table = {} # A lookup table containing hops for links link_table = {} # A lookup table containing hops for links
bundle_table = {} # A table for holding references to bundles in transport
held_announces = {} # A table containing temporarily held announce-table entries held_announces = {} # A table containing temporarily held announce-table entries
# Transport control destinations are used # Transport control destinations are used
@ -112,16 +108,9 @@ class Transport:
# Create transport-specific destinations # Create transport-specific destinations
Transport.path_request_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, Transport.APP_NAME, "path", "request") Transport.path_request_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, Transport.APP_NAME, "path", "request")
Transport.path_request_destination.packet_callback(Transport.path_request_handler) Transport.path_request_destination.packet_callback(Transport.path_request_handler)
Transport.bundle_advertisement_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, Transport.APP_NAME, "bundle", "advertisement", )
Transport.bundle_advertisement_destination.packet_callback(Transport.bundle_advertisement_handler)
Transport.control_destinations.append(Transport.path_request_destination) Transport.control_destinations.append(Transport.path_request_destination)
Transport.control_hashes.append(Transport.path_request_destination.hash) Transport.control_hashes.append(Transport.path_request_destination.hash)
Transport.control_destinations.append(Transport.bundle_advertisement_destination)
Transport.control_hashes.append(Transport.bundle_advertisement_destination.hash)
thread = threading.Thread(target=Transport.jobloop) thread = threading.Thread(target=Transport.jobloop)
thread.setDaemon(True) thread.setDaemon(True)
thread.start() thread.start()
@ -311,8 +300,6 @@ class Transport:
Transport.tables_last_culled = time.time() Transport.tables_last_culled = time.time()
Transport.bundle_jobs()
except Exception as e: except Exception as e:
RNS.log("An exception occurred while running Transport jobs.", RNS.LOG_ERROR) RNS.log("An exception occurred while running Transport jobs.", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR) RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
@ -323,35 +310,6 @@ class Transport:
for packet in outgoing: for packet in outgoing:
packet.send() packet.send()
@staticmethod
def bundle_jobs():
removed_bundles = []
for bundle in Transport.bundle_table:
# The bundle could not be passed on within the allowed
# time, and should be removed from storage
if bundle.heartbeat+Transport.BUNDLE_TIMEOUT < time.time():
RNS.log("Removing stale bundle "+RNS.prettyhexrep(bundle.id)+" from storage", RNS.LOG_VERBOSE)
removed_bundles.append(bundle)
bundle.remove()
# Custody was transferred to another node, we'll remove the bundle
if bundle.state == RNS.Bundle.NO_CUSTODY:
RNS.log("Removing bundle "+RNS.prettyhexrep(bundle.id)+" from storage since custody was transferred", RNS.LOG_VERBOSE)
removed_bundles.append(bundle)
bundle.remove()
# This is an incoming bundle, attempt to retrieve it
if bundle.state == RNS.Bundle.TAKING_CUSTODY:
pass
# We have custody over this bundle, and we should attempt
# to deliver it to it's next hop.
if bundle.state == RNS.Bundle.FULL_CUSTODY:
pass
for bundle in removed_bundles:
Transport.bundle_table.remove(bundle)
@staticmethod @staticmethod
def outbound(packet): def outbound(packet):
while (Transport.jobs_running): while (Transport.jobs_running):
@ -458,7 +416,6 @@ class Transport:
Transport.jobs_locked = False Transport.jobs_locked = False
return sent return sent
@staticmethod @staticmethod
def packet_filter(packet): def packet_filter(packet):
# TODO: Think long and hard about this. # TODO: Think long and hard about this.
@ -917,11 +874,6 @@ class Transport:
else: else:
RNS.log("Attempted to activate a link that was not in the pending table", RNS.LOG_ERROR) RNS.log("Attempted to activate a link that was not in the pending table", RNS.LOG_ERROR)
@staticmethod
def register_bundle(bundle):
RNS.log("Transport instance registered bundle "+RNS.prettyhexrep(bundle.id), RNS.LOG_DEBUG)
self.bundle_table.append(bundle)
@staticmethod @staticmethod
def find_interface_from_hash(interface_hash): def find_interface_from_hash(interface_hash):
for interface in Transport.interfaces: for interface in Transport.interfaces:
@ -1043,10 +995,6 @@ class Transport:
packet.receiving_interface packet.receiving_interface
) )
@staticmethod
def bundle_advertisement_handler(data, packet):
pass
@staticmethod @staticmethod
def pathRequest(destination_hash, is_from_local_client, attached_interface): def pathRequest(destination_hash, is_from_local_client, attached_interface):
RNS.log("Path request for "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG) RNS.log("Path request for "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)

1
RNS/__init__.py
View File

@ -12,7 +12,6 @@ from .Destination import Destination
from .Packet import Packet from .Packet import Packet
from .Packet import PacketReceipt from .Packet import PacketReceipt
from .Resource import Resource from .Resource import Resource
from .Bundle import Bundle
modules = glob.glob(os.path.dirname(__file__)+"/*.py") modules = glob.glob(os.path.dirname(__file__)+"/*.py")
__all__ = [ os.path.basename(f)[:-3] for f in modules if not f.endswith('__init__.py')] __all__ = [ os.path.basename(f)[:-3] for f in modules if not f.endswith('__init__.py')]