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90 lines
3.2 KiB
90 lines
3.2 KiB
#!/usr/bin/env python3.4
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#
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# Copyright (C) 2017 The Android Open Source Project
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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#
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# A helper class to generate MIXED property values that can be
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# set as the value for a diagnostic frame
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# Spritually, the same as DiagnosticEventBuilder.java
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from diagnostic_sensors import DIAGNOSTIC_SENSOR_INTEGER_LAST_SYSTEM_INDEX
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from diagnostic_sensors import DIAGNOSTIC_SENSOR_FLOAT_LAST_SYSTEM_INDEX
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class DiagnosticEventBuilder(object):
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class ByteArray(object):
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def __init__(self, numElements):
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self.count = numElements
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if 0 == (numElements % 8):
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self.data = bytearray(numElements/8)
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else:
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# if not a multiple of 8, add one extra byte
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self.data = bytearray(1+numElements/8)
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def _getIndices(self, bit):
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if (bit < 0) or (bit >= self.count):
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raise IndexError("index %d not in range [0,%d)" % (bit, self.count))
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byteIdx = bit / 8
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bitIdx = (bit % 8)
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return byteIdx, bitIdx
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def setBit(self, bit):
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byteIdx, bitIdx = self._getIndices(bit)
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bitValue = pow(2,bitIdx)
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self.data[byteIdx] = self.data[byteIdx] | bitValue
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def getBit(self, bit):
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byteIdx, bitIdx = self._getIndices(bit)
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bitValue = pow(2,bitIdx)
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return 0 != self.data[byteIdx] & bitValue
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def __str__(self):
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return str(self.data)
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def __init__(self, propConfig):
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self.string_value = ""
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self.bytes = ""
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self.numIntSensors = propConfig.config[0].config_array[0] + \
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DIAGNOSTIC_SENSOR_INTEGER_LAST_SYSTEM_INDEX + 1
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self.numFloatSensors = propConfig.config[0].config_array[1] + \
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DIAGNOSTIC_SENSOR_FLOAT_LAST_SYSTEM_INDEX + 1
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self.bitmask = DiagnosticEventBuilder.ByteArray(
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self.numIntSensors+self.numFloatSensors)
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self.int32_values = [0] * self.numIntSensors
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self.float_values = [0.0] * self.numFloatSensors
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def addIntSensor(self, idx, value):
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self.int32_values[idx] = value
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self.bitmask.setBit(idx)
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return self
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def addFloatSensor(self, idx, value):
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self.float_values[idx] = value
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self.bitmask.setBit(len(self.int32_values)+idx)
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return self
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def setStringValue(self, string):
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self.string_value = string
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return self
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def build(self):
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self.bytes_value = str(self.bitmask)
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return self
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def __str__(self):
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s = "diagnostic event {\n"
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for x in ['string_value', 'int32_values', 'float_values']:
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s = s + "\t%s: %s\n" % (x, self.__dict__[x])
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return s + "}"
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