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Improved resource transfer performance for segmented files

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This commit is contained in:
Mark Qvist 2024-08-29 15:26:53 +02:00
parent 3a5ee15dd8
commit bd9aa2954b
1 changed files with 29 additions and 11 deletions
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40
RNS/Resource.py
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@ -204,6 +204,8 @@ class Resource:
data_size = None
resource_data = None
self.assembly_lock = False
self.preparing_next_segment = False
self.next_segment = None
if data != None:
if not hasattr(data, "read") and len(data) > Resource.MAX_EFFICIENT_SIZE:
@ -410,10 +412,13 @@ class Resource:
Advertise the resource. If the other end of the link accepts
the resource advertisement it will begin transferring.
"""
thread = threading.Thread(target=self.__advertise_job)
thread.daemon = True
thread = threading.Thread(target=self.__advertise_job, daemon=True)
thread.start()
if self.segment_index < self.total_segments:
prepare_thread = threading.Thread(target=self.__prepare_next_segment, daemon=True)
prepare_thread.start()
def __advertise_job(self):
self.advertisement_packet = RNS.Packet(self.link, ResourceAdvertisement(self).pack(), context=RNS.Packet.RESOURCE_ADV)
while not self.link.ready_for_new_resource():
@ -610,6 +615,21 @@ class Resource:
RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
self.cancel()
def __prepare_next_segment(self):
# Prepare the next segment for advertisement
RNS.log(f"Preparing segment {self.segment_index+1} of {self.total_segments} for resource {self}", RNS.LOG_DEBUG)
self.preparing_next_segment = True
self.next_segment = Resource(
self.input_file, self.link,
callback = self.callback,
segment_index = self.segment_index+1,
original_hash=self.original_hash,
progress_callback = self.__progress_callback,
request_id = self.request_id,
is_response = self.is_response,
advertise = False,
)
def validate_proof(self, proof_data):
if not self.status == Resource.FAILED:
if len(proof_data) == RNS.Identity.HASHLENGTH//8*2:
@ -635,15 +655,13 @@ class Resource:
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,
progress_callback = self.__progress_callback,
request_id = self.request_id,
is_response = self.is_response,
)
if not self.preparing_next_segment:
RNS.log(f"Next segment preparation for resource {self} was not started yet, manually preparing now. This will cause transfer slowdown.", RNS.LOG_WARNING)
self.__prepare_next_segment()
while self.next_segment == None:
time.sleep(0.05)
self.next_segment.advertise()
else:
pass
else: