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Added medium window to channel

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This commit is contained in:
Mark Qvist 2023-05-11 20:23:36 +02:00
parent a06e752b76
commit fc5b02ed5d
1 changed files with 20 additions and 5 deletions
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25
RNS/Channel.py
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@ -233,6 +233,9 @@ class Channel(contextlib.AbstractContextManager):
# The maximum window size for transfers on slow links
WINDOW_MAX_SLOW = 5
# The maximum window size for transfers on mid-speed links
WINDOW_MAX_MEDIUM = 16
# The maximum window size for transfers on fast links
WINDOW_MAX_FAST = 48
@ -246,7 +249,8 @@ class Channel(contextlib.AbstractContextManager):
# If the RTT rate is higher than this value,
# the max window size for fast links will be used.
RTT_FAST = 0.2
RTT_FAST = 0.25
RTT_MEDIUM = 0.75
# The minimum allowed flexibility of the window size.
# The difference between window_max and window_min
@ -275,6 +279,7 @@ class Channel(contextlib.AbstractContextManager):
self.window_min = Channel.WINDOW_MIN
self.window_flexibility = Channel.WINDOW_FLEXIBILITY
self.fast_rate_rounds = 0
self.medium_rate_rounds = 0
def __enter__(self) -> Channel:
return self
@ -461,16 +466,26 @@ class Channel(contextlib.AbstractContextManager):
if self._outlet.rtt != 0:
if self._outlet.rtt > Channel.RTT_FAST:
self.fast_rate_rounds = 0
if self._outlet.rtt > Channel.RTT_MEDIUM:
self.medium_rate_rounds = 0
else:
self.medium_rate_rounds += 1
if self.window_max < Channel.WINDOW_MAX_MEDIUM and self.medium_rate_rounds == Channel.FAST_RATE_THRESHOLD:
self.window_max = Channel.WINDOW_MAX_MEDIUM
# TODO: Remove at some point
RNS.log("Increased "+str(self)+" max window to "+str(self.window_max), RNS.LOG_EXTREME)
else:
self.fast_rate_rounds += 1
if self.window_max < Channel.WINDOW_MAX_FAST and self.fast_rate_rounds == Channel.FAST_RATE_THRESHOLD:
self.window_max = Channel.WINDOW_MAX_FAST
self.window_max = Channel.WINDOW_MAX_FAST
# TODO: Remove at some point
RNS.log("Increased "+str(self)+" max window to "+str(self.window_max), RNS.LOG_EXTREME)
else:
RNS.log("Envelope not found in TX ring for "+str(self), RNS.LOG_DEBUG)
if not envelope: