1/* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17#pragma once 18 19#include <android/util/ProtoOutputStream.h> 20#include "FieldValue.h" 21#include "HashableDimensionKey.h" 22#include "frameworks/base/cmds/statsd/src/statsd_config.pb.h" 23#include "guardrail/StatsdStats.h" 24 25namespace android { 26namespace os { 27namespace statsd { 28 29void writeFieldValueTreeToStream(int tagId, const std::vector<FieldValue>& values, 30 util::ProtoOutputStream* protoOutput); 31void writeDimensionToProto(const HashableDimensionKey& dimension, std::set<string> *str_set, 32 util::ProtoOutputStream* protoOutput); 33 34void writeDimensionLeafNodesToProto(const HashableDimensionKey& dimension, 35 const int dimensionLeafFieldId, 36 std::set<string> *str_set, 37 util::ProtoOutputStream* protoOutput); 38 39void writeDimensionPathToProto(const std::vector<Matcher>& fieldMatchers, 40 util::ProtoOutputStream* protoOutput); 41 42// Convert the TimeUnit enum to the bucket size in millis with a guardrail on 43// bucket size. 44int64_t TimeUnitToBucketSizeInMillisGuardrailed(int uid, TimeUnit unit); 45 46// Convert the TimeUnit enum to the bucket size in millis. 47int64_t TimeUnitToBucketSizeInMillis(TimeUnit unit); 48 49// Gets the elapsed timestamp in ns. 50int64_t getElapsedRealtimeNs(); 51 52// Gets the elapsed timestamp in millis. 53int64_t getElapsedRealtimeMillis(); 54 55// Gets the elapsed timestamp in seconds. 56int64_t getElapsedRealtimeSec(); 57 58// Gets the wall clock timestamp in ns. 59int64_t getWallClockNs(); 60 61// Gets the wall clock timestamp in millis. 62int64_t getWallClockMillis(); 63 64// Gets the wall clock timestamp in seconds. 65int64_t getWallClockSec(); 66 67int64_t NanoToMillis(const int64_t nano); 68 69int64_t MillisToNano(const int64_t millis); 70 71// Helper function to write PulledAtomStats to ProtoOutputStream 72void writePullerStatsToStream(const std::pair<int, StatsdStats::PulledAtomStats>& pair, 73 util::ProtoOutputStream* protoOutput); 74 75template<class T> 76bool parseProtoOutputStream(util::ProtoOutputStream& protoOutput, T* message) { 77 std::string pbBytes; 78 auto iter = protoOutput.data(); 79 while (iter.readBuffer() != NULL) { 80 size_t toRead = iter.currentToRead(); 81 pbBytes.append(reinterpret_cast<const char*>(iter.readBuffer()), toRead); 82 iter.rp()->move(toRead); 83 } 84 return message->ParseFromArray(pbBytes.c_str(), pbBytes.size()); 85} 86 87// Returns the truncated timestamp. 88int64_t truncateTimestampNsToFiveMinutes(int64_t timestampNs); 89 90} // namespace statsd 91} // namespace os 92} // namespace android 93