136 lines
3.7 KiB
C++
136 lines
3.7 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 <cstdio>
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#include <cstdlib>
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#include <cstring>
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#include <string>
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#include <tuple>
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#include <vector>
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#include <android-base/test_utils.h>
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#include <benchmark/benchmark.h>
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#include <ziparchive/zip_archive.h>
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#include <ziparchive/zip_archive_stream_entry.h>
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#include <ziparchive/zip_writer.h>
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static std::unique_ptr<TemporaryFile> CreateZip(int size = 4, int count = 1000) {
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auto result = std::make_unique<TemporaryFile>();
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FILE* fp = fdopen(result->fd, "w");
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ZipWriter writer(fp);
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std::string lastName = "file";
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for (size_t i = 0; i < count; i++) {
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// Make file names longer and longer.
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lastName = lastName + std::to_string(i);
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writer.StartEntry(lastName.c_str(), ZipWriter::kCompress);
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while (size > 0) {
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writer.WriteBytes("helo", 4);
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size -= 4;
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}
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writer.FinishEntry();
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}
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writer.Finish();
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fclose(fp);
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return result;
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}
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static void FindEntry_no_match(benchmark::State& state) {
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// Create a temporary zip archive.
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std::unique_ptr<TemporaryFile> temp_file(CreateZip());
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ZipArchiveHandle handle;
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ZipEntry data;
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// In order to walk through all file names in the archive, look for a name
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// that does not exist in the archive.
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std::string_view name("thisFileNameDoesNotExist");
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// Start the benchmark.
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for (auto _ : state) {
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OpenArchive(temp_file->path, &handle);
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FindEntry(handle, name, &data);
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CloseArchive(handle);
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}
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}
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BENCHMARK(FindEntry_no_match);
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static void Iterate_all_files(benchmark::State& state) {
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std::unique_ptr<TemporaryFile> temp_file(CreateZip());
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ZipArchiveHandle handle;
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void* iteration_cookie;
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ZipEntry data;
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std::string name;
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for (auto _ : state) {
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OpenArchive(temp_file->path, &handle);
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StartIteration(handle, &iteration_cookie);
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while (Next(iteration_cookie, &data, &name) == 0) {
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}
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EndIteration(iteration_cookie);
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CloseArchive(handle);
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}
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}
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BENCHMARK(Iterate_all_files);
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static void StartAlignedEntry(benchmark::State& state) {
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TemporaryFile file;
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FILE* fp = fdopen(file.fd, "w");
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ZipWriter writer(fp);
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auto alignment = uint32_t(state.range(0));
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std::string name = "name";
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int counter = 0;
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for (auto _ : state) {
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writer.StartAlignedEntry(name + std::to_string(counter++), 0, alignment);
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state.PauseTiming();
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writer.WriteBytes("hola", 4);
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writer.FinishEntry();
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state.ResumeTiming();
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}
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writer.Finish();
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fclose(fp);
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}
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BENCHMARK(StartAlignedEntry)->Arg(2)->Arg(16)->Arg(1024)->Arg(4096);
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static void ExtractEntry(benchmark::State& state) {
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std::unique_ptr<TemporaryFile> temp_file(CreateZip(1024 * 1024, 1));
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ZipArchiveHandle handle;
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ZipEntry data;
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if (OpenArchive(temp_file->path, &handle)) {
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state.SkipWithError("Failed to open archive");
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}
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if (FindEntry(handle, "file0", &data)) {
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state.SkipWithError("Failed to find archive entry");
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}
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std::vector<uint8_t> buffer(1024 * 1024);
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for (auto _ : state) {
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if (ExtractToMemory(handle, &data, buffer.data(), uint32_t(buffer.size()))) {
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state.SkipWithError("Failed to extract archive entry");
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break;
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}
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}
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CloseArchive(handle);
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}
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BENCHMARK(ExtractEntry)->Arg(2)->Arg(16)->Arg(1024);
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BENCHMARK_MAIN();
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