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https://github.com/markqvist/Reticulum.git
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Fixed large resource transfers failing under some conditions
This commit is contained in:
Mark Qvist
parent
a2caa47334
commit
ae1d962b9b
11
RNS/Link.py
11
RNS/Link.py
@ -687,7 +687,9 @@ class Link:
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remove = pending_request
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try:
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pending_request.response_size = response_size
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pending_request.response_transfer_size = response_transfer_size
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if pending_request.response_transfer_size == None:
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pending_request.response_transfer_size = 0
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pending_request.response_transfer_size += response_transfer_size
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pending_request.response_received(response_data)
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except Exception as e:
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RNS.log("Error occurred while handling response. The contained exception was: "+str(e), RNS.LOG_ERROR)
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@ -836,8 +838,12 @@ class Link:
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if pending_request.request_id == request_id:
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response_resource = RNS.Resource.accept(packet, callback=self.response_resource_concluded, progress_callback=pending_request.response_resource_progress, request_id = request_id)
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if response_resource != None:
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if pending_request.response_size == None:
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pending_request.response_size = RNS.ResourceAdvertisement.read_size(packet)
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pending_request.response_transfer_size = RNS.ResourceAdvertisement.read_transfer_size(packet)
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if pending_request.response_transfer_size == None:
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pending_request.response_transfer_size = 0
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pending_request.response_transfer_size += RNS.ResourceAdvertisement.read_transfer_size(packet)
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if pending_request.started_at == None:
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pending_request.started_at = time.time()
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pending_request.response_resource_progress(response_resource)
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@ -1133,6 +1139,7 @@ class RequestReceipt():
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def request_resource_concluded(self, resource):
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if resource.status == RNS.Resource.COMPLETE:
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RNS.log("Request "+RNS.prettyhexrep(self.request_id)+" successfully sent as resource.", RNS.LOG_DEBUG)
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if self.started_at == None:
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self.started_at = time.time()
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self.status = RequestReceipt.DELIVERED
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self.__resource_response_timeout = time.time()+self.timeout
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@ -25,6 +25,7 @@ import os
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import bz2
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import math
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import time
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import tempfile
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import threading
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from threading import Lock
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from .vendor import umsgpack as umsgpack
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@ -106,7 +107,8 @@ class Resource:
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PART_TIMEOUT_FACTOR_AFTER_RTT = 2
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MAX_RETRIES = 16
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MAX_ADV_RETRIES = 4
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SENDER_GRACE_TIME = 10
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SENDER_GRACE_TIME = 10.0
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PROCESSING_GRACE = 1.0
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RETRY_GRACE_TIME = 0.25
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PER_RETRY_DELAY = 0.5
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@ -203,8 +205,18 @@ class Resource:
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resource_data = None
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self.assembly_lock = False
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if data != None:
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if not hasattr(data, "read") and len(data) > Resource.MAX_EFFICIENT_SIZE:
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original_data = data
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data_size = len(original_data)
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data = tempfile.TemporaryFile()
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data.write(original_data)
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del original_data
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if hasattr(data, "read"):
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if data_size == None:
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data_size = os.stat(data.name).st_size
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self.total_size = data_size
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self.grand_total_parts = math.ceil(data_size/Resource.SDU)
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@ -278,7 +290,7 @@ class Resource:
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self.uncompressed_data = data
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compression_began = time.time()
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if (auto_compress and len(self.uncompressed_data) < Resource.AUTO_COMPRESS_MAX_SIZE):
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if (auto_compress and len(self.uncompressed_data) <= Resource.AUTO_COMPRESS_MAX_SIZE):
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RNS.log("Compressing resource data...", RNS.LOG_DEBUG)
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self.compressed_data = bz2.compress(self.uncompressed_data)
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RNS.log("Compression completed in "+str(round(time.time()-compression_began, 3))+" seconds", RNS.LOG_DEBUG)
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@ -440,7 +452,7 @@ class Resource:
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sleep_time = None
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if self.status == Resource.ADVERTISED:
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sleep_time = (self.adv_sent+self.timeout)-time.time()
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sleep_time = (self.adv_sent+self.timeout+Resource.PROCESSING_GRACE)-time.time()
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if sleep_time < 0:
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if self.retries_left <= 0:
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RNS.log("Resource transfer timeout after sending advertisement", RNS.LOG_DEBUG)
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@ -612,10 +624,24 @@ class Resource:
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self.callback(self)
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except Exception as e:
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RNS.log("Error while executing resource concluded callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
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finally:
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if hasattr(self.input_file, "close") and callable(self.input_file.close):
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try:
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self.input_file.close()
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except Exception as e:
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RNS.log("Error while closing resource input file: "+str(e), RNS.LOG_ERROR)
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else:
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# Otherwise we'll recursively create the
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# next segment of the resource
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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)
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Resource(
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self.input_file, self.link,
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callback = self.callback,
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segment_index = self.segment_index+1,
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original_hash=self.original_hash,
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progress_callback = self.__progress_callback,
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request_id = self.request_id,
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is_response = self.is_response,
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)
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else:
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pass
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else:
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@ -732,20 +758,6 @@ class Resource:
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search_start = pn
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search_size = self.window
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# TODO: Remove
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# tpm = []
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# tpi = 0
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# try:
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# for p in self.parts:
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# if p == None:
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# tpm.append(None)
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# else:
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# tpm.append(tpi)
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# tpi+=1
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# except Exception as e:
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# print(str(e))
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# RNS.log(f"Partmap: "+str(tpm))
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for part in self.parts[search_start:search_start+search_size]:
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if part == None:
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part_hash = self.hashmap[pn]
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