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https://github.com/google/sandboxed-api.git
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51799f99ae
Instead of calling `google::InitGoogleLogging()` directly, introduce an indirection via a new utility library. After this change, Sandboxed API should consistently use `sapi::InitLogging()` everywhere. For now, `sapi::InitLogging()` simply calls its glog equivalent. However, this enables us to migrate away from the gflags dependency and use Abseil flags. Once a follow-up change lands, `sapi::InitLogging()` will instead initialize the google logging library with flags defined from Aseil. Later still, once Abseil releases logging, we can then drop the glog dependency entirely. PiperOrigin-RevId: 445363592 Change-Id: Ia23a7dc88b8ffe65a422ea4d5233bba7bdd1303a
96 lines
3.0 KiB
C++
96 lines
3.0 KiB
C++
// Copyright 2022 Google LLC
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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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// https://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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#include <absl/flags/flag.h>
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#include <absl/flags/parse.h>
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#include <unistd.h>
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#include <fstream>
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#include <iostream>
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#include <string>
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#include "contrib/c-blosc/sandboxed.h"
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#include "contrib/c-blosc/utils/utils_blosc.h"
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#include "sandboxed_api/util/logging.h"
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ABSL_FLAG(bool, decompress, false, "decompress");
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ABSL_FLAG(int, clevel, 5, "compression level");
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ABSL_FLAG(uint32_t, nthreads, 5, "number of threads");
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ABSL_FLAG(std::string, compressor, "blosclz",
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"compressor engine. Available: blosclz, lz4, lz4hc, zlib, zstd");
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absl::Status Stream(CbloscApi& api, std::string& infile_s,
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std::string& outfile_s) {
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std::ifstream infile(infile_s, std::ios::binary);
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if (!infile.is_open()) {
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return absl::UnavailableError(absl::StrCat("Unable to open ", infile_s));
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}
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std::ofstream outfile(outfile_s, std::ios::binary);
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if (!outfile.is_open()) {
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return absl::UnavailableError(absl::StrCat("Unable to open ", outfile_s));
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}
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std::string compressor(absl::GetFlag(FLAGS_compressor));
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if (absl::GetFlag(FLAGS_decompress)) {
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return Decompress(api, infile, outfile, 5);
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}
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return Compress(api, infile, outfile, absl::GetFlag(FLAGS_clevel), compressor,
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absl::GetFlag(FLAGS_nthreads));
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}
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int main(int argc, char* argv[]) {
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std::string prog_name(argv[0]);
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std::vector<char*> args = absl::ParseCommandLine(argc, argv);
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sapi::InitLogging(argv[0]);
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if (args.size() != 3) {
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std::cerr << "Usage:\n " << prog_name << " INPUT OUTPUT\n";
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return EXIT_FAILURE;
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}
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CbloscSapiSandbox sandbox;
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if (!sandbox.Init().ok()) {
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std::cerr << "Unable to start sandbox\n";
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return EXIT_FAILURE;
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}
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CbloscApi api(&sandbox);
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if (absl::Status status = api.blosc_init(); !status.ok()) {
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std::cerr << "Unable to init library\n";
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std::cerr << status << std::endl;
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return EXIT_FAILURE;
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}
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std::string infile_s(args[1]);
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std::string outfile_s(args[2]);
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if (absl::Status status = Stream(api, infile_s, outfile_s); !status.ok()) {
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std::cerr << "Unable to ";
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std::cerr << (absl::GetFlag(FLAGS_decompress) ? "de" : "");
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std::cerr << "compress file\n";
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std::cerr << status << std::endl;
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return EXIT_FAILURE;
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}
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if (absl::Status status = api.blosc_destroy(); !status.ok()) {
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std::cerr << "Unable to uninitialize library\n";
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std::cerr << status << std::endl;
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return EXIT_FAILURE;
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}
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return EXIT_SUCCESS;
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}
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