83 lines
2.4 KiB
C++
83 lines
2.4 KiB
C++
//
|
|
// Copyright (C) 2020 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 "host/libs/config/host_tools_version.h"
|
|
|
|
#include <algorithm>
|
|
#include <fstream>
|
|
#include <future>
|
|
#include <vector>
|
|
|
|
#include <zlib.h>
|
|
|
|
#include "common/libs/utils/files.h"
|
|
#include "host/libs/config/cuttlefish_config.h"
|
|
|
|
using std::uint32_t;
|
|
|
|
namespace cuttlefish {
|
|
|
|
uint32_t FileCrc(const std::string& path) {
|
|
uint32_t crc = crc32(0, (unsigned char*) path.c_str(), path.size());
|
|
std::ifstream file_stream(path, std::ifstream::binary);
|
|
std::vector<char> data(1024, 0);
|
|
while (file_stream) {
|
|
file_stream.read(data.data(), data.size());
|
|
crc = crc32(crc, (unsigned char*) data.data(), file_stream.gcount());
|
|
}
|
|
return crc;
|
|
}
|
|
|
|
static std::map<std::string, uint32_t> DirectoryCrc(const std::string& path) {
|
|
auto full_path = DefaultHostArtifactsPath(path);
|
|
if (!DirectoryExists(full_path)) {
|
|
return {};
|
|
}
|
|
std::vector<std::string> files = DirectoryContents(full_path);
|
|
for (auto it = files.begin(); it != files.end();) {
|
|
if (*it == "." || *it == "..") {
|
|
it = files.erase(it);
|
|
} else {
|
|
it++;
|
|
}
|
|
}
|
|
std::vector<std::future<uint32_t>> calculations;
|
|
for (auto& file : files) {
|
|
file = path + "/" + file; // mutate in place in files vector
|
|
calculations.emplace_back(
|
|
std::async(FileCrc, DefaultHostArtifactsPath(file)));
|
|
}
|
|
std::map<std::string, uint32_t> crcs;
|
|
for (int i = 0; i < files.size(); i++) {
|
|
crcs[files[i]] = calculations[i].get();
|
|
}
|
|
return crcs;
|
|
}
|
|
|
|
std::map<std::string, uint32_t> HostToolsCrc() {
|
|
auto bin_future = std::async(DirectoryCrc, "bin");
|
|
auto lib_future = std::async(DirectoryCrc, "lib64");
|
|
std::map<std::string, uint32_t> all_crcs;
|
|
for (auto const& [file, crc] : bin_future.get()) {
|
|
all_crcs[file] = crc;
|
|
}
|
|
for (auto const& [file, crc] : lib_future.get()) {
|
|
all_crcs[file] = crc;
|
|
}
|
|
return all_crcs;
|
|
}
|
|
|
|
} // namespace cuttlefish
|