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Work on Resource optimisation

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This commit is contained in:
Mark Qvist 2022-06-09 17:00:27 +02:00
parent 0a8b755230
commit be6910e4e0
1 changed files with 38 additions and 22 deletions
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60
RNS/Resource.py
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@ -44,8 +44,17 @@ class Resource:
"""
WINDOW_FLEXIBILITY = 4
WINDOW_MIN = 1
WINDOW_MAX = 10
WINDOW = 4
WINDOW_MAX_SLOW = 10
WINDOW_MAX_FAST = 76
WINDOW_MAX = 76
WINDOW = WINDOW_MAX
# TODO: Reset
# WINDOW = 4
RATE_SLOW = 1000
RATE_FAST = 10*1000*1000
MAPHASH_LEN = 4
SDU = RNS.Packet.MDU
RANDOM_HASH_SIZE = 4
@ -710,27 +719,34 @@ class Resource:
requested_hashes = request_data[pad+RNS.Identity.HASHLENGTH//8:]
for i in range(0,len(requested_hashes)//Resource.MAPHASH_LEN):
requested_hash = requested_hashes[i*Resource.MAPHASH_LEN:(i+1)*Resource.MAPHASH_LEN]
search_start = self.receiver_min_consecutive_height
search_end = self.receiver_min_consecutive_height+ResourceAdvertisement.COLLISION_GUARD_SIZE
for part in self.parts[search_start:search_end]:
if part.map_hash == requested_hash:
try:
if not part.sent:
part.send()
self.sent_parts += 1
else:
part.resend()
self.last_activity = time.time()
self.last_part_sent = self.last_activity
break
except Exception as e:
RNS.log("Resource could not send parts, cancelling transfer!", RNS.LOG_DEBUG)
RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
self.cancel()
# Define the search scope
search_start = self.receiver_min_consecutive_height
search_end = self.receiver_min_consecutive_height+ResourceAdvertisement.COLLISION_GUARD_SIZE
map_hashes = []
for i in range(0,len(requested_hashes)//Resource.MAPHASH_LEN):
map_hash = requested_hashes[i*Resource.MAPHASH_LEN:(i+1)*Resource.MAPHASH_LEN]
map_hashes.append(map_hash)
search_scope = self.parts[search_start:search_end]
requested_parts = list(filter(lambda part: part.map_hash in map_hashes, search_scope))
for part in requested_parts:
try:
if not part.sent:
part.send()
self.sent_parts += 1
else:
part.resend()
self.last_activity = time.time()
self.last_part_sent = self.last_activity
except Exception as e:
RNS.log("Resource could not send parts, cancelling transfer!", RNS.LOG_DEBUG)
RNS.log("The contained exception was: "+str(e), RNS.LOG_DEBUG)
self.cancel()
if wants_more_hashmap:
last_map_hash = request_data[1:Resource.MAPHASH_LEN+1]