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/*
* Copyright (C) 2017 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "stats_log_util.h"
#include <logd/LogEvent.h>
#include <utils/Log.h>
#include <set>
#include <stack>
using android::util::FIELD_COUNT_REPEATED;
using android::util::FIELD_TYPE_BOOL;
using android::util::FIELD_TYPE_FLOAT;
using android::util::FIELD_TYPE_INT32;
using android::util::FIELD_TYPE_INT64;
using android::util::FIELD_TYPE_MESSAGE;
using android::util::FIELD_TYPE_STRING;
using android::util::ProtoOutputStream;
namespace android {
namespace os {
namespace statsd {
// for DimensionsValue Proto
const int DIMENSIONS_VALUE_FIELD = 1;
const int DIMENSIONS_VALUE_VALUE_STR = 2;
const int DIMENSIONS_VALUE_VALUE_INT = 3;
const int DIMENSIONS_VALUE_VALUE_LONG = 4;
const int DIMENSIONS_VALUE_VALUE_BOOL = 5;
const int DIMENSIONS_VALUE_VALUE_FLOAT = 6;
const int DIMENSIONS_VALUE_VALUE_TUPLE = 7;
const int DIMENSIONS_VALUE_TUPLE_VALUE = 1;
// for MessageValue Proto
const int FIELD_ID_FIELD_VALUE_IN_MESSAGE_VALUE_PROTO = 1;
// for PulledAtomStats proto
const int FIELD_ID_PULLED_ATOM_STATS = 10;
const int FIELD_ID_PULL_ATOM_ID = 1;
const int FIELD_ID_TOTAL_PULL = 2;
const int FIELD_ID_TOTAL_PULL_FROM_CACHE = 3;
const int FIELD_ID_MIN_PULL_INTERVAL_SEC = 4;
namespace {
void writeDimensionToProtoHelper(const std::vector<FieldValue>& dims, size_t* index, int depth,
int prefix, ProtoOutputStream* protoOutput) {
size_t count = dims.size();
while (*index < count) {
const auto& dim = dims[*index];
const int valueDepth = dim.mField.getDepth();
const int valuePrefix = dim.mField.getPrefix(depth);
const int fieldNum = dim.mField.getPosAtDepth(depth);
if (valueDepth > 2) {
ALOGE("Depth > 2 not supported");
return;
}
if (depth == valueDepth && valuePrefix == prefix) {
long long token = protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED |
DIMENSIONS_VALUE_TUPLE_VALUE);
protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_FIELD, fieldNum);
switch (dim.mValue.getType()) {
case INT:
protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_VALUE_INT,
dim.mValue.int_value);
break;
case LONG:
protoOutput->write(FIELD_TYPE_INT64 | DIMENSIONS_VALUE_VALUE_LONG,
(long long)dim.mValue.long_value);
break;
case FLOAT:
protoOutput->write(FIELD_TYPE_FLOAT | DIMENSIONS_VALUE_VALUE_FLOAT,
dim.mValue.float_value);
break;
case STRING:
protoOutput->write(FIELD_TYPE_STRING | DIMENSIONS_VALUE_VALUE_STR,
dim.mValue.str_value);
break;
default:
break;
}
if (token != 0) {
protoOutput->end(token);
}
(*index)++;
} else if (valueDepth > depth && valuePrefix == prefix) {
// Writing the sub tree
long long dimensionToken = protoOutput->start(
FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | DIMENSIONS_VALUE_TUPLE_VALUE);
protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_FIELD, fieldNum);
long long tupleToken =
protoOutput->start(FIELD_TYPE_MESSAGE | DIMENSIONS_VALUE_VALUE_TUPLE);
writeDimensionToProtoHelper(dims, index, valueDepth, dim.mField.getPrefix(valueDepth),
protoOutput);
protoOutput->end(tupleToken);
protoOutput->end(dimensionToken);
} else {
// Done with the prev sub tree
return;
}
}
}
} // namespace
void writeDimensionToProto(const HashableDimensionKey& dimension, ProtoOutputStream* protoOutput) {
if (dimension.getValues().size() == 0) {
return;
}
protoOutput->write(FIELD_TYPE_INT32 | DIMENSIONS_VALUE_FIELD,
dimension.getValues()[0].mField.getTag());
long long topToken = protoOutput->start(FIELD_TYPE_MESSAGE | DIMENSIONS_VALUE_VALUE_TUPLE);
size_t index = 0;
writeDimensionToProtoHelper(dimension.getValues(), &index, 0, 0, protoOutput);
protoOutput->end(topToken);
}
// for Field Proto
const int FIELD_FIELD = 1;
const int FIELD_POSITION_INDEX = 2;
const int FIELD_CHILD = 3;
// Supported Atoms format
// XYZ_Atom {
// repeated SubMsg field_1 = 1;
// SubMsg2 field_2 = 2;
// int32/float/string/int63 field_3 = 3;
// }
// logd's msg format, doesn't allow us to distinguish between the 2 cases below
// Case (1):
// Atom {
// SubMsg {
// int i = 1;
// int j = 2;
// }
// repeated SubMsg
// }
//
// and case (2):
// Atom {
// SubMsg {
// repeated int i = 1;
// repeated int j = 2;
// }
// optional SubMsg = 1;
// }
//
//
void writeFieldValueTreeToStreamHelper(const std::vector<FieldValue>& dims, size_t* index,
int depth, int prefix, ProtoOutputStream* protoOutput) {
size_t count = dims.size();
while (*index < count) {
const auto& dim = dims[*index];
const int valueDepth = dim.mField.getDepth();
const int valuePrefix = dim.mField.getPrefix(depth);
const int fieldNum = dim.mField.getPosAtDepth(depth);
if (valueDepth > 2) {
ALOGE("Depth > 2 not supported");
return;
}
if (depth == valueDepth && valuePrefix == prefix) {
switch (dim.mValue.getType()) {
case INT:
protoOutput->write(FIELD_TYPE_INT32 | fieldNum, dim.mValue.int_value);
break;
case LONG:
protoOutput->write(FIELD_TYPE_INT64 | fieldNum,
(long long)dim.mValue.long_value);
break;
case FLOAT:
protoOutput->write(FIELD_TYPE_FLOAT | fieldNum, dim.mValue.float_value);
break;
case STRING:
protoOutput->write(FIELD_TYPE_STRING | fieldNum, dim.mValue.str_value);
break;
}
(*index)++;
} else if (valueDepth > depth && valuePrefix == prefix) {
// Writing the sub tree
long long msg_token = 0;
if (valueDepth == depth + 2) {
msg_token =
protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_COUNT_REPEATED | fieldNum);
} else if (valueDepth == depth + 1) {
msg_token = protoOutput->start(FIELD_TYPE_MESSAGE | fieldNum);
}
// Directly jump to the leaf value because the repeated position field is implied
// by the position of the sub msg in the parent field.
writeFieldValueTreeToStreamHelper(dims, index, valueDepth,
dim.mField.getPrefix(valueDepth), protoOutput);
if (msg_token != 0) {
protoOutput->end(msg_token);
}
} else {
// Done with the prev sub tree
return;
}
}
}
void writeFieldValueTreeToStream(int tagId, const std::vector<FieldValue>& values,
util::ProtoOutputStream* protoOutput) {
long long atomToken = protoOutput->start(FIELD_TYPE_MESSAGE | tagId);
size_t index = 0;
writeFieldValueTreeToStreamHelper(values, &index, 0, 0, protoOutput);
protoOutput->end(atomToken);
}
int64_t TimeUnitToBucketSizeInMillis(TimeUnit unit) {
switch (unit) {
case ONE_MINUTE:
return 60 * 1000LL;
case FIVE_MINUTES:
return 5 * 60 * 1000LL;
case TEN_MINUTES:
return 10 * 60 * 1000LL;
case THIRTY_MINUTES:
return 30 * 60 * 1000LL;
case ONE_HOUR:
return 60 * 60 * 1000LL;
case THREE_HOURS:
return 3 * 60 * 60 * 1000LL;
case SIX_HOURS:
return 6 * 60 * 60 * 1000LL;
case TWELVE_HOURS:
return 12 * 60 * 60 * 1000LL;
case ONE_DAY:
return 24 * 60 * 60 * 1000LL;
case CTS:
return 1000;
case TIME_UNIT_UNSPECIFIED:
default:
return -1;
}
}
void writePullerStatsToStream(const std::pair<int, StatsdStats::PulledAtomStats>& pair,
util::ProtoOutputStream* protoOutput) {
long long token = protoOutput->start(FIELD_TYPE_MESSAGE | FIELD_ID_PULLED_ATOM_STATS |
FIELD_COUNT_REPEATED);
protoOutput->write(FIELD_TYPE_INT32 | FIELD_ID_PULL_ATOM_ID, (int32_t)pair.first);
protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_TOTAL_PULL, (long long)pair.second.totalPull);
protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_TOTAL_PULL_FROM_CACHE,
(long long)pair.second.totalPullFromCache);
protoOutput->write(FIELD_TYPE_INT64 | FIELD_ID_MIN_PULL_INTERVAL_SEC,
(long long)pair.second.minPullIntervalSec);
protoOutput->end(token);
}
} // namespace statsd
} // namespace os
} // namespace android
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