Review at https://gerrit.osmocom.org/6231
cdf: Add API to scale percent to target value
We want to start 10k of instances and it is easier to
have the necessary conversion from percent to number
in the CDF function.
Change-Id: I9d5b63909eef3d592aec6d51452f3b1811d8cc07
---
M src/osmo_ms_driver/cdf.py
1 file changed, 48 insertions(+), 0 deletions(-)
git pull ssh://gerrit.osmocom.org:29418/osmo-gsm-tester refs/changes/31/6231/1
diff --git a/src/osmo_ms_driver/cdf.py b/src/osmo_ms_driver/cdf.py
index fbdc05f..e84d9c7 100644
--- a/src/osmo_ms_driver/cdf.py
+++ b/src/osmo_ms_driver/cdf.py
@@ -37,12 +37,22 @@
self._fun = fun
self._x = 0.0
self._y = self._fun(self._x)
+ self._target = 1.0
+
+ def set_target(self, scale):
+ """
+ Scale the percentage to the target value..
+ """
+ self._target = scale
def is_done(self):
return self._y >= 1.0
def current_value(self):
return self._y
+
+ def current_scaled_value(self):
+ return self._y * self._target
def step_once(self):
self._x = self._x + self._step.total_seconds()
@@ -95,6 +105,44 @@
1.0...
>>> a.is_done()
True
+
+ >>> a = linear_with_duration(timedelta(seconds=10),
step_size=timedelta(seconds=2))
+ >>> a.set_target(1000)
+ >>> a.is_done()
+ False
+ >>> a.current_value()
+ 0.0
+ >>> a.current_scaled_value()
+ 0.0
+ >>> a.step_once()
+ >>> a.current_value()
+ 0.2
+ >>> a.current_scaled_value()
+ 200.0
+ >>> a.step_once()
+ >>> a.current_value()
+ 0.4
+ >>> a.current_scaled_value()
+ 400.0
+ >>> a.step_once()
+ >>> a.current_value()
+ 0.6...
+ >>> a.current_scaled_value()
+ 600.0...
+ >>> a.step_once()
+ >>> a.current_value()
+ 0.8...
+ >>> a.current_scaled_value()
+ 800.0...
+ >>> a.is_done()
+ False
+ >>> a.step_once()
+ >>> a.current_value()
+ 1.0...
+ >>> a.current_scaled_value()
+ 1000.0...
+ >>> a.is_done()
+ True
"""
slope = 1.0/duration.total_seconds()
return linear_with_slope(slope, step_size)
--
To view, visit https://gerrit.osmocom.org/6231
To unsubscribe, visit https://gerrit.osmocom.org/settings
Gerrit-MessageType: newchange
Gerrit-Change-Id: I9d5b63909eef3d592aec6d51452f3b1811d8cc07
Gerrit-PatchSet: 1
Gerrit-Project: osmo-gsm-tester
Gerrit-Branch: master
Gerrit-Owner: Holger Freyther <hol...@freyther.de>
