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