302 lines
11 KiB
C++
302 lines
11 KiB
C++
/*
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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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#include "stats_log_util.h"
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#include <logd/LogEvent.h>
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#include <private/android_filesystem_config.h>
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#include <utils/Log.h>
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#include <set>
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#include <stack>
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#include <utils/Log.h>
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#include <utils/SystemClock.h>
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using android::util::FIELD_COUNT_REPEATED;
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using android::util::FIELD_TYPE_BOOL;
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using android::util::FIELD_TYPE_FLOAT;
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using android::util::FIELD_TYPE_INT32;
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using android::util::FIELD_TYPE_INT64;
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using android::util::FIELD_TYPE_MESSAGE;
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using android::util::FIELD_TYPE_STRING;
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using android::util::ProtoOutputStream;
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namespace android {
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namespace os {
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namespace statsd {
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// for DimensionsValue Proto
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const int DIMENSIONS_VALUE_FIELD = 1;
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const int DIMENSIONS_VALUE_VALUE_STR = 2;
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const int DIMENSIONS_VALUE_VALUE_INT = 3;
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const int DIMENSIONS_VALUE_VALUE_LONG = 4;
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// const int DIMENSIONS_VALUE_VALUE_BOOL = 5; // logd doesn't have bool data type.
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const int DIMENSIONS_VALUE_VALUE_FLOAT = 6;
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const int DIMENSIONS_VALUE_VALUE_TUPLE = 7;
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const int DIMENSIONS_VALUE_TUPLE_VALUE = 1;
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// for PulledAtomStats proto
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const int FIELD_ID_PULLED_ATOM_STATS = 10;
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const int FIELD_ID_PULL_ATOM_ID = 1;
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const int FIELD_ID_TOTAL_PULL = 2;
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const int FIELD_ID_TOTAL_PULL_FROM_CACHE = 3;
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const int FIELD_ID_MIN_PULL_INTERVAL_SEC = 4;
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namespace {
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void writeDimensionToProtoHelper(const std::vector<FieldValue>& dims, size_t* index, int depth,
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int prefix, ProtoOutputStream* protoOutput) {
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size_t count = dims.size();
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while (*index < count) {
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const auto& dim = dims[*index];
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const int valueDepth = dim.mField.getDepth();
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const int valuePrefix = dim.mField.getPrefix(depth);
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const int fieldNum = dim.mField.getPosAtDepth(depth);
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if (valueDepth > 2) {
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ALOGE("Depth > 2 not supported");
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return;
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}
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if (depth == valueDepth && valuePrefix == prefix) {
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uint64_t token = protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED |
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DIMENSIONS_VALUE_TUPLE_VALUE);
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protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_FIELD, fieldNum);
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switch (dim.mValue.getType()) {
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case INT:
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protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_VALUE_INT,
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dim.mValue.int_value);
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break;
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case LONG:
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protoOutput->write(FIELD_TYPE_INT64 | DIMENSIONS_VALUE_VALUE_LONG,
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(long long)dim.mValue.long_value);
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break;
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case FLOAT:
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protoOutput->write(FIELD_TYPE_FLOAT | DIMENSIONS_VALUE_VALUE_FLOAT,
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dim.mValue.float_value);
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break;
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case STRING:
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protoOutput->write(FIELD_TYPE_STRING | DIMENSIONS_VALUE_VALUE_STR,
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dim.mValue.str_value);
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break;
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default:
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break;
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}
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if (token != 0) {
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protoOutput->end(token);
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}
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(*index)++;
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} else if (valueDepth > depth && valuePrefix == prefix) {
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// Writing the sub tree
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uint64_t dimensionToken = protoOutput->start(
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FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | DIMENSIONS_VALUE_TUPLE_VALUE);
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protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_FIELD, fieldNum);
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uint64_t tupleToken =
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protoOutput->start(FIELD_TYPE_MESSAGE | DIMENSIONS_VALUE_VALUE_TUPLE);
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writeDimensionToProtoHelper(dims, index, valueDepth, dim.mField.getPrefix(valueDepth),
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protoOutput);
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protoOutput->end(tupleToken);
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protoOutput->end(dimensionToken);
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} else {
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// Done with the prev sub tree
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return;
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}
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}
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}
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} // namespace
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void writeDimensionToProto(const HashableDimensionKey& dimension, ProtoOutputStream* protoOutput) {
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if (dimension.getValues().size() == 0) {
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return;
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}
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protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_FIELD,
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dimension.getValues()[0].mField.getTag());
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uint64_t topToken = protoOutput->start(FIELD_TYPE_MESSAGE | DIMENSIONS_VALUE_VALUE_TUPLE);
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size_t index = 0;
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writeDimensionToProtoHelper(dimension.getValues(), &index, 0, 0, protoOutput);
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protoOutput->end(topToken);
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}
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// Supported Atoms format
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// XYZ_Atom {
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// repeated SubMsg field_1 = 1;
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// SubMsg2 field_2 = 2;
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// int32/float/string/int63 field_3 = 3;
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// }
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// logd's msg format, doesn't allow us to distinguish between the 2 cases below
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// Case (1):
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// Atom {
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// SubMsg {
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// int i = 1;
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// int j = 2;
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// }
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// repeated SubMsg
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// }
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//
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// and case (2):
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// Atom {
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// SubMsg {
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// repeated int i = 1;
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// repeated int j = 2;
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// }
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// optional SubMsg = 1;
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// }
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//
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//
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void writeFieldValueTreeToStreamHelper(const std::vector<FieldValue>& dims, size_t* index,
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int depth, int prefix, ProtoOutputStream* protoOutput) {
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size_t count = dims.size();
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while (*index < count) {
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const auto& dim = dims[*index];
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const int valueDepth = dim.mField.getDepth();
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const int valuePrefix = dim.mField.getPrefix(depth);
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const int fieldNum = dim.mField.getPosAtDepth(depth);
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if (valueDepth > 2) {
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ALOGE("Depth > 2 not supported");
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return;
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}
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if (depth == valueDepth && valuePrefix == prefix) {
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switch (dim.mValue.getType()) {
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case INT:
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protoOutput->write(FIELD_TYPE_INT32 | fieldNum, dim.mValue.int_value);
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break;
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case LONG:
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protoOutput->write(FIELD_TYPE_INT64 | fieldNum,
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(long long)dim.mValue.long_value);
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break;
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case FLOAT:
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protoOutput->write(FIELD_TYPE_FLOAT | fieldNum, dim.mValue.float_value);
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break;
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case STRING:
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protoOutput->write(FIELD_TYPE_STRING | fieldNum, dim.mValue.str_value);
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break;
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default:
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break;
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}
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(*index)++;
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} else if (valueDepth > depth && valuePrefix == prefix) {
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// Writing the sub tree
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uint64_t msg_token = 0ULL;
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if (valueDepth == depth + 2) {
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msg_token =
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protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | fieldNum);
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} else if (valueDepth == depth + 1) {
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msg_token = protoOutput->start(FIELD_TYPE_MESSAGE | fieldNum);
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}
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// Directly jump to the leaf value because the repeated position field is implied
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// by the position of the sub msg in the parent field.
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writeFieldValueTreeToStreamHelper(dims, index, valueDepth,
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dim.mField.getPrefix(valueDepth), protoOutput);
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if (msg_token != 0) {
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protoOutput->end(msg_token);
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}
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} else {
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// Done with the prev sub tree
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return;
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}
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}
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}
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void writeFieldValueTreeToStream(int tagId, const std::vector<FieldValue>& values,
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util::ProtoOutputStream* protoOutput) {
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uint64_t atomToken = protoOutput->start(FIELD_TYPE_MESSAGE | tagId);
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size_t index = 0;
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writeFieldValueTreeToStreamHelper(values, &index, 0, 0, protoOutput);
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protoOutput->end(atomToken);
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}
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int64_t TimeUnitToBucketSizeInMillisGuardrailed(int uid, TimeUnit unit) {
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int64_t bucketSizeMillis = TimeUnitToBucketSizeInMillis(unit);
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if (bucketSizeMillis > 1000 && bucketSizeMillis < 5 * 60 * 1000LL && uid != AID_SHELL) {
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bucketSizeMillis = 5 * 60 * 1000LL;
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}
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return bucketSizeMillis;
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}
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int64_t TimeUnitToBucketSizeInMillis(TimeUnit unit) {
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switch (unit) {
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case ONE_MINUTE:
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return 60 * 1000LL;
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case FIVE_MINUTES:
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return 5 * 60 * 1000LL;
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case TEN_MINUTES:
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return 10 * 60 * 1000LL;
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case THIRTY_MINUTES:
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return 30 * 60 * 1000LL;
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case ONE_HOUR:
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return 60 * 60 * 1000LL;
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case THREE_HOURS:
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return 3 * 60 * 60 * 1000LL;
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case SIX_HOURS:
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return 6 * 60 * 60 * 1000LL;
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case TWELVE_HOURS:
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return 12 * 60 * 60 * 1000LL;
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case ONE_DAY:
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return 24 * 60 * 60 * 1000LL;
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case CTS:
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return 1000;
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case TIME_UNIT_UNSPECIFIED:
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default:
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return -1;
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}
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}
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void writePullerStatsToStream(const std::pair<int, StatsdStats::PulledAtomStats>& pair,
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util::ProtoOutputStream* protoOutput) {
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uint64_t token = protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_ID_PULLED_ATOM_STATS |
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FIELD_COUNT_REPEATED);
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protoOutput->write(FIELD_TYPE_INT32 | FIELD_ID_PULL_ATOM_ID, (int32_t)pair.first);
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protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_TOTAL_PULL, (long long)pair.second.totalPull);
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protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_TOTAL_PULL_FROM_CACHE,
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(long long)pair.second.totalPullFromCache);
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protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_MIN_PULL_INTERVAL_SEC,
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(long long)pair.second.minPullIntervalSec);
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protoOutput->end(token);
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}
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int64_t getElapsedRealtimeNs() {
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return ::android::elapsedRealtimeNano();
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}
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int64_t getElapsedRealtimeSec() {
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return ::android::elapsedRealtimeNano() / NS_PER_SEC;
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}
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int64_t getElapsedRealtimeMillis() {
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return ::android::elapsedRealtime();
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}
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int64_t getWallClockNs() {
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return time(nullptr) * NS_PER_SEC;
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}
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int64_t getWallClockSec() {
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return time(nullptr);
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}
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int64_t getWallClockMillis() {
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return time(nullptr) * MS_PER_SEC;
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}
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int64_t truncateTimestampNsToFiveMinutes(int64_t timestampNs) {
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return timestampNs / NS_PER_SEC / (5 * 60) * NS_PER_SEC * (5 * 60);
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}
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} // namespace statsd
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} // namespace os
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} // namespace android
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