return
else:
self.last_sortchange = time
self.samplerate = self.ewma(self.samplerate,
multiply * streaktime, 256)
if self.samplerate > self.alg.SAMPLE_MAX:
self.samplerate = self.alg.SAMPLE_MAX
def report_normal(self, time, status):
Louis.Rate.report_normal(self, time, status)
self.samplerate = self.alg.SAMPLE_NORMAL
def __repr__(self):
return "<Rate {} p={:.3f} sr={:.3f}>".format(
self.mbps, self.probability, self.samplerate / 1e9)
def process_feedback(self, status, timestamp, delay, tries):
rix, _ = tries[0]
rate = self.RATES[rix]
oldpos = self.rates_sorted.index(rate)
Louis.process_feedback(self, status, timestamp, delay, tries)
newpos = self.rates_sorted.index(rate)
change = newpos - oldpos
rate.report_sortchange(timestamp, oldpos, change)
initialize, apply_rate, process_feedback = bits.methods(Armstrong)
from armstrong import Louis import bits initialize, apply_rate, process_feedback = bits.methods(Louis)
import bits
import rates
import os
RATE=float(os.environ["RATE"]) if "RATE" in os.environ else 1
# Read the rate as a Mbps value and convert it to an index
try:
IDX = [i for i, r in enumerate(rates.RATES) if r.mbps == RATE][0]
except IndexError:
opts = [str(rate.mbps) for rate in rates.RATES]
print("Invalid rate. Options are: {}".format(", ".join(opts)))
exit()
else:
print("Running at rate %r Mbps..." % RATE)
class Constant(bits.BitrateAlgorithm):
def apply_rate(self, timestamp):
return [(IDX, 1)]
initialize, apply_rate, process_feedback = bits.methods(Constant)
self.samplerate = self.ewma(self.samplerate, multiply * streaktime, 256)
elif delta == 0:
return
else:
self.last_sortchange = time
self.samplerate = self.ewma(self.samplerate, multiply * streaktime, 256)
if self.samplerate > self.alg.SAMPLE_MAX:
self.samplerate = self.alg.SAMPLE_MAX
def report_normal(self, time, status):
Louis.Rate.report_normal(self, time, status)
self.samplerate = self.alg.SAMPLE_NORMAL
def __repr__(self):
return "<Rate {} p={:.3f} sr={:.3f}>".format(
self.mbps, self.probability, self.samplerate/1e9)
def process_feedback(self, status, timestamp, delay, tries):
rix, _ = tries[0]
rate = self.RATES[rix]
oldpos = self.rates_sorted.index(rate)
Louis.process_feedback(self, status, timestamp, delay, tries)
newpos = self.rates_sorted.index(rate)
change = newpos - oldpos
rate.report_sortchange(timestamp, oldpos, change)
initialize, apply_rate, process_feedback = bits.methods(Armstrong)