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115 lines
4.0 KiB
115 lines
4.0 KiB
/*
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* Copyright (C) 2018 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 "recovery_utils/parse_install_logs.h"
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#include <unistd.h>
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#include <optional>
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#include <android-base/file.h>
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#include <android-base/logging.h>
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#include <android-base/parseint.h>
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#include <android-base/properties.h>
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#include <android-base/strings.h>
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constexpr const char* OTA_SIDELOAD_METRICS = "ota_sideload";
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// Here is an example of lines in last_install:
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// ...
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// time_total: 101
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// bytes_written_vendor: 51074
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// bytes_stashed_vendor: 200
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std::map<std::string, int64_t> ParseRecoveryUpdateMetrics(const std::vector<std::string>& lines) {
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constexpr unsigned int kMiB = 1024 * 1024;
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std::optional<int64_t> bytes_written_in_mib;
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std::optional<int64_t> bytes_stashed_in_mib;
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std::map<std::string, int64_t> metrics;
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for (const auto& line : lines) {
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size_t num_index = line.find(':');
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if (num_index == std::string::npos) {
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LOG(WARNING) << "Skip parsing " << line;
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continue;
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}
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std::string num_string = android::base::Trim(line.substr(num_index + 1));
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int64_t parsed_num;
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if (!android::base::ParseInt(num_string, &parsed_num)) {
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LOG(ERROR) << "Failed to parse numbers in " << line;
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continue;
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}
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if (android::base::StartsWith(line, "bytes_written")) {
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bytes_written_in_mib = bytes_written_in_mib.value_or(0) + parsed_num / kMiB;
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} else if (android::base::StartsWith(line, "bytes_stashed")) {
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bytes_stashed_in_mib = bytes_stashed_in_mib.value_or(0) + parsed_num / kMiB;
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} else if (android::base::StartsWith(line, "time")) {
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metrics.emplace("ota_time_total", parsed_num);
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} else if (android::base::StartsWith(line, "uncrypt_time")) {
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metrics.emplace("ota_uncrypt_time", parsed_num);
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} else if (android::base::StartsWith(line, "source_build")) {
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metrics.emplace("ota_source_version", parsed_num);
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} else if (android::base::StartsWith(line, "temperature_start")) {
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metrics.emplace("ota_temperature_start", parsed_num);
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} else if (android::base::StartsWith(line, "temperature_end")) {
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metrics.emplace("ota_temperature_end", parsed_num);
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} else if (android::base::StartsWith(line, "temperature_max")) {
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metrics.emplace("ota_temperature_max", parsed_num);
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} else if (android::base::StartsWith(line, "error")) {
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metrics.emplace("ota_non_ab_error_code", parsed_num);
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} else if (android::base::StartsWith(line, "cause")) {
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metrics.emplace("ota_non_ab_cause_code", parsed_num);
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}
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}
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if (bytes_written_in_mib) {
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metrics.emplace("ota_written_in_MiBs", bytes_written_in_mib.value());
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}
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if (bytes_stashed_in_mib) {
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metrics.emplace("ota_stashed_in_MiBs", bytes_stashed_in_mib.value());
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}
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return metrics;
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}
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std::map<std::string, int64_t> ParseLastInstall(const std::string& file_name) {
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if (access(file_name.c_str(), F_OK) != 0) {
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return {};
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}
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std::string content;
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if (!android::base::ReadFileToString(file_name, &content)) {
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PLOG(ERROR) << "Failed to read " << file_name;
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return {};
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}
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if (content.empty()) {
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LOG(INFO) << "Empty last_install file";
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return {};
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}
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std::vector<std::string> lines = android::base::Split(content, "\n");
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auto metrics = ParseRecoveryUpdateMetrics(lines);
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// LAST_INSTALL starts with "/sideload/package.zip" after a sideload.
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if (android::base::Trim(lines[0]) == "/sideload/package.zip") {
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int type = (android::base::GetProperty("ro.build.type", "") == "user") ? 1 : 0;
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metrics.emplace(OTA_SIDELOAD_METRICS, type);
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}
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return metrics;
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}
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