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