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