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Implemented bandwidth-based announce propagation calculation

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This commit is contained in:
Mark Qvist 2022-04-18 16:23:24 +02:00
parent 64593e27be
commit 31104c6e9c
3 changed files with 131 additions and 7 deletions
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58
RNS/Interfaces/Interface.py
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@ -21,6 +21,8 @@
# SOFTWARE.
import RNS
import time
import threading
class Interface:
IN = False
@ -41,5 +43,61 @@ class Interface:
def get_hash(self):
return RNS.Identity.full_hash(str(self).encode("utf-8"))
# TODO: Clean
# def bogus_queue(self):
# self.announce_queue = []
# import random
# import time
# now = time.time()
# random.seed(45)
# for i in range(1,32):
# entry = {"time": now+i*3, "hops":random.randint(4,16), "raw": str("bogus_data_"+str(i)).encode("utf-8")}
# self.announce_queue.append(entry)
def process_announce_queue(self):
if not hasattr(self, "announce_cap"):
self.announce_cap = RNS.Reticulum.ANNOUNCE_CAP
if hasattr(self, "announce_queue"):
# TODO: Clean
# RNS.log("Processing announce queue on "+str(self), RNS.LOG_DEBUG)
try:
now = time.time()
stale = []
for a in self.announce_queue:
if now > a["time"]+RNS.Reticulum.QUEUED_ANNOUNCE_LIFE:
stale.append(a)
for s in stale:
self.announce_queue.remove(s)
if len(self.announce_queue) > 0:
min_hops = min(entry["hops"] for entry in self.announce_queue)
entries = list(filter(lambda e: e["hops"] == min_hops, self.announce_queue))
entries.sort(key=lambda e: e["time"])
selected = entries[0]
now = time.time()
tx_time = (len(selected["raw"])*8) / self.bitrate
wait_time = (tx_time / self.announce_cap)
self.announce_allowed_at = now + wait_time
self.processOutgoing(selected["raw"])
self.announce_queue.remove(selected)
# TODO: Clean debug statements
# RNS.log("Sent queued announce with "+str(selected["hops"])+" hops on "+str(self))
if len(self.announce_queue) > 0:
# TODO: Clean debug statements
# RNS.log("Still have "+str(len(self.announce_queue))+" announces in queue, scheduling next for tx in "+str(round(wait_time*1000,6))+"ms", RNS.LOG_DEBUG)
timer = threading.Timer(wait_time, self.process_announce_queue)
timer.start()
except Exception as e:
self.announce_queue = []
RNS.log("Error while processing announce queue on "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.log("The announce queue for this interface has been cleared.", RNS.LOG_ERROR)
def detach(self):
pass