137 lines
4.8 KiB
C++
137 lines
4.8 KiB
C++
#include "../libpkg/data/package.h"
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#include "../libpkg/parser/binary.h"
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#include "resources/config.h"
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#include <c++utilities/application/argumentparser.h>
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#include <c++utilities/conversion/stringbuilder.h>
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#include <c++utilities/io/path.h>
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#include <c++utilities/misc/math.h>
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#include <c++utilities/misc/parseerror.h>
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#include <reflective_rapidjson/json/reflector.h>
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#include <atomic>
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#include <cstdlib>
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#include <iostream>
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#include <mutex>
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#include <thread>
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#include <vector>
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using namespace CppUtilities;
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struct BinaryInfo : public ReflectiveRapidJSON::JsonSerializable<BinaryInfo> {
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std::string name;
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std::string architecture;
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std::set<std::string> symbols;
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std::set<std::string> requiredLibs;
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std::string rpath;
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std::string prefix;
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bool isBigEndian = false;
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};
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struct PacparseResults : public ReflectiveRapidJSON::JsonSerializable<PacparseResults> {
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std::vector<std::shared_ptr<LibPkg::Package>> packages;
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std::vector<BinaryInfo> binaries;
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};
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int main(int argc, const char *argv[])
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{
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SET_APPLICATION_INFO;
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// read cli args
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auto parser = ArgumentParser();
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auto packagesArg = ConfigValueArgument("packages", 'p', "specifies the paths of the package files to parse", { "path" });
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packagesArg.setRequiredValueCount(Argument::varValueCount);
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packagesArg.setImplicit(true);
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auto binariesArg = ConfigValueArgument("binaries", 'b', "specifies the paths of the binaries", { "path" });
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binariesArg.setRequiredValueCount(Argument::varValueCount);
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parser.setMainArguments({ &packagesArg, &binariesArg, &parser.helpArg() });
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parser.setDefaultArgument(&parser.helpArg());
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parser.parseArgs(argc, argv);
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if (parser.helpArg().isPresent()) {
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return EXIT_SUCCESS;
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}
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auto res = PacparseResults();
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auto packageMutex = std::mutex();
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auto binaryMutex = std::mutex();
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auto returnCode = std::atomic<int>(EXIT_SUCCESS);
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auto pi = std::vector<const char *>::const_iterator();
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auto pend = std::vector<const char *>::const_iterator();
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auto bi = std::vector<const char *>::const_iterator();
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auto bend = std::vector<const char *>::const_iterator();
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auto imutex = std::mutex();
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if (packagesArg.isPresent()) {
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const auto &packagePaths = packagesArg.values();
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pi = packagePaths.begin();
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pend = packagePaths.end();
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res.packages.reserve(packagePaths.size());
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}
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if (binariesArg.isPresent()) {
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const auto &binaryPaths = binariesArg.values();
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bi = binaryPaths.begin();
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bend = binaryPaths.end();
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res.binaries.reserve(binaryPaths.size());
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}
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const auto processPackage = [&] {
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for (;;) {
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// get next package path
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const char *path = nullptr;
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auto isBinary = false;
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auto ilock = std::unique_lock<std::mutex>(imutex);
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if (pi != pend) {
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path = *pi++;
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} else if (bi != bend) {
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isBinary = true;
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path = *bi++;
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} else {
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return;
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}
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ilock.unlock();
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// parse package
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try {
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if (isBinary) {
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auto binary = LibPkg::Binary();
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binary.load(path);
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auto binaryLock = std::unique_lock<std::mutex>(binaryMutex);
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auto &binaryInfo = res.binaries.emplace_back();
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binaryInfo.prefix = binary.addPrefix(std::string_view());
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binaryInfo.name = std::move(binary.name);
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binaryInfo.architecture = std::move(binary.architecture);
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binaryInfo.isBigEndian = binary.isBigEndian;
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binaryInfo.rpath = std::move(binary.rpath);
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binaryInfo.symbols = std::move(binary.symbols);
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binaryInfo.requiredLibs = std::move(binary.requiredLibs);
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} else {
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auto package = LibPkg::Package::fromPkgFile(path);
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auto binaryLock = std::unique_lock<std::mutex>(packageMutex);
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res.packages.emplace_back(std::move(package));
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}
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} catch (const std::runtime_error &e) {
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std::cerr << "Unable to parse \"" << path << "\": " << e.what() << '\n';
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returnCode = EXIT_FAILURE;
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}
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}
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};
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auto threads = std::vector<std::thread>(
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std::max<std::size_t>(std::min<std::size_t>(std::thread::hardware_concurrency(), res.packages.capacity() + res.binaries.capacity()), 1u) - 1);
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for (auto &t : threads) {
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t = std::thread(processPackage);
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}
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processPackage();
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for (auto &t : threads) {
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t.join();
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}
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const auto json = ReflectiveRapidJSON::JsonReflector::toJson(res);
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std::cout << std::string_view(json.GetString(), json.GetSize());
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return returnCode;
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}
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#include "reflection/main.h"
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