arch-repo-manager/librepomgr/serversetup.cpp

690 lines
30 KiB
C++

#define RAPIDJSON_HAS_STDSTRING 1
#include "./serversetup.h"
#include "./helper.h"
#include "./json.h"
#include "./webapi/server.h"
#include "reflection/serversetup.h"
#include "resources/config.h"
#include <reflective_rapidjson/binary/serializable.h>
#include <reflective_rapidjson/json/errorformatting.h>
#include <c++utilities/application/argumentparser.h>
#include <c++utilities/conversion/stringbuilder.h>
#include <c++utilities/conversion/stringconversion.h>
#include <c++utilities/io/ansiescapecodes.h>
#include <c++utilities/io/inifile.h>
#include <c++utilities/io/misc.h>
#include <boost/asio/ssl/error.hpp>
#include <boost/asio/ssl/stream.hpp>
#include <algorithm>
#include <cerrno>
#include <cstring>
#include <filesystem>
#include <fstream>
#include <string_view>
#include <unordered_set>
using namespace std;
using namespace CppUtilities;
using namespace CppUtilities::EscapeCodes;
using namespace LibPkg;
namespace LibRepoMgr {
static void deduplicateVector(std::vector<std::string> &vector)
{
std::unordered_set<std::string_view> visited;
vector.erase(
std::remove_if(vector.begin(), vector.end(), [&visited](const std::string &value) { return !visited.emplace(value).second; }), vector.end());
}
ThreadPool::ThreadPool(const char *name, boost::asio::io_context &ioContext, unsigned short threadCount)
: name(name)
{
threads.reserve(threadCount);
for (auto i = threadCount; i > 0; --i) {
threads.emplace_back([&ioContext, name] {
ioContext.run();
std::cout << argsToString(formattedPhraseString(Phrases::SubMessage), name, " terminates", formattedPhraseString(Phrases::End));
});
}
}
ThreadPool::~ThreadPool()
{
for (auto &thread : threads) {
thread.join();
}
}
void ServiceSetup::WebServerSetup::applyConfig(const std::multimap<std::string, std::string> &multimap)
{
convertValue(multimap, "address", address);
convertValue(multimap, "port", port);
convertValue(multimap, "threads", threadCount);
convertValue(multimap, "static_files", staticFilesPath);
convertValue(multimap, "verify_ssl_certificates", verifySslCertificates);
convertValue(multimap, "log_ssl_certificate_validation", logSslCertificateValidation);
// allow the path for static files to be comma-separated
// note: We're simpliy picking the first directory which actually exists at startup time. It makes no
// sense to go through all directories when looking up particular files because this would just
// lead to serving inconsistent files.
if (staticFilesPath.empty()) {
return;
}
const auto staticFilesPaths = splitStringSimple<std::vector<std::string_view>>(staticFilesPath, ":");
auto foundStaticFilesPath = false;
for (const auto &path : staticFilesPaths) {
std::error_code ec;
if ((foundStaticFilesPath = std::filesystem::is_directory(path, ec))) {
staticFilesPath = path;
break;
}
}
if (foundStaticFilesPath) {
cout << Phrases::InfoMessage << "Directory for static files: " << staticFilesPath << Phrases::EndFlush;
} else {
cerr << Phrases::WarningMessage << "None of the path specified in \"static_files\" is a local directory." << Phrases::EndFlush;
}
}
void ServiceSetup::BuildSetup::applyConfig(const std::multimap<std::string, std::string> &multimap)
{
convertValue(multimap, "threads", threadCount);
convertValue(multimap, "working_directory", workingDirectory);
convertValue(multimap, "local_pkgbuilds_dir", pkgbuildsDirs);
convertValue(multimap, "ignore_local_pkgbuilds_regex", ignoreLocalPkgbuildsRegex);
convertValue(multimap, "makepkg_path", makePkgPath);
convertValue(multimap, "makechrootpkg_path", makeChrootPkgPath);
convertValue(multimap, "updpkgsums_path", updatePkgSumsPath);
convertValue(multimap, "repo_add_path", repoAddPath);
convertValue(multimap, "repo_remove_path", repoRemovePath);
convertValue(multimap, "gpg_path", gpgPath);
convertValue(multimap, "ccache_dir", ccacheDir);
convertValue(multimap, "chroot_dir", chrootDir);
convertValue(multimap, "chroot_root_user", chrootRootUser);
convertValue(multimap, "chroot_default_user", chrootDefaultUser);
convertValue(multimap, "default_gpg_key", defaultGpgKey);
convertValue(multimap, "pacman_config_file_path", pacmanConfigFilePath);
convertValue(multimap, "makepkg_config_file_path", makepkgConfigFilePath);
convertValue(multimap, "makechrootpkg_flags", makechrootpkgFlags);
convertValue(multimap, "makepkg_flags", makepkgFlags);
convertValue(multimap, "package_cache_dir", packageCacheDir);
convertValue(multimap, "test_files_dir", testFilesDir);
convertValue(multimap, "load_files_dbs", loadFilesDbs);
}
void ServiceSetup::BuildSetup::readPresets(const std::string &configFilePath, const std::string &presetsFileRelativePath)
{
if (presetsFileRelativePath.empty()) {
return;
}
auto presetsFilePath = presetsFileRelativePath;
try {
if (presetsFilePath[0] != '/' && !configFilePath.empty()) {
presetsFilePath = std::filesystem::canonical(configFilePath).parent_path() / presetsFileRelativePath;
}
ReflectiveRapidJSON::JsonDeserializationErrors errors{};
errors.throwOn = ReflectiveRapidJSON::JsonDeserializationErrors::ThrowOn::All;
presets = BuildPresets::fromJson(readFile(presetsFilePath), &errors);
} catch (const ReflectiveRapidJSON::JsonDeserializationError &e) {
cerr << Phrases::ErrorMessage << "Unable to deserialize presets file " << presetsFilePath << '\n'
<< Phrases::SubMessage << ReflectiveRapidJSON::formatJsonDeserializationError(e) << Phrases::End;
} catch (const RAPIDJSON_NAMESPACE::ParseResult &e) {
cerr << Phrases::ErrorMessage << "Unable to parse presets file " << presetsFilePath << '\n'
<< Phrases::SubMessage << "parse error at " << e.Offset() << ": " << RAPIDJSON_NAMESPACE::GetParseError_En(e.Code()) << Phrases::End;
} catch (const std::runtime_error &e) {
cerr << Phrases::ErrorMessage << "Unable to read presets file " << presetsFilePath << '\n' << Phrases::SubMessage << e.what() << Phrases::End;
}
}
void ServiceSetup::WebServerSetup::initSsl()
{
if (!verifySslCertificates) {
std::cerr << Phrases::SubWarning << "Certificate validation disabled!" << std::endl;
return;
}
sslContext.set_verify_mode(boost::asio::ssl::verify_peer);
if (logSslCertificateValidation) {
sslContext.set_verify_callback(&WebServerSetup::logCertificateValidation);
}
sslContext.set_default_verify_paths();
}
bool ServiceSetup::WebServerSetup::logCertificateValidation(bool preVerified, boost::asio::ssl::verify_context &context)
{
constexpr auto subjectNameLength = 1024;
char subjectName[subjectNameLength];
X509 *const cert = X509_STORE_CTX_get_current_cert(context.native_handle());
X509_NAME_oneline(X509_get_subject_name(cert), subjectName, subjectNameLength);
std::cerr << Phrases::InfoMessage << "Verifying SSL certificate: " << subjectName << Phrases::End;
if (!preVerified) {
std::cerr << Phrases::SubError << "verification failed" << endl;
}
return preVerified;
}
ServiceSetup::BuildSetup::Worker::Worker(ServiceSetup::BuildSetup &setup)
: boost::asio::executor_work_guard<boost::asio::io_context::executor_type>(boost::asio::make_work_guard(setup.ioContext))
, ThreadPool("Worker thread", setup.ioContext, setup.threadCount)
, setup(setup)
{
}
ServiceSetup::BuildSetup::Worker::~Worker()
{
cout << Phrases::SuccessMessage << "Stopping worker threads" << Phrases::End;
setup.ioContext.stop();
}
ServiceSetup::BuildSetup::Worker ServiceSetup::BuildSetup::allocateBuildWorker()
{
return Worker(*this);
}
BuildAction::IdType ServiceSetup::BuildSetup::allocateBuildActionID()
{
if (!invalidActions.empty()) {
const auto i = invalidActions.begin();
const auto id = *i;
invalidActions.erase(i);
return id;
}
const auto id = actions.size();
actions.emplace_back();
return id;
}
std::vector<std::shared_ptr<BuildAction>> ServiceSetup::BuildSetup::getBuildActions(const std::vector<BuildAction::IdType> &ids)
{
auto buildActions = std::vector<std::shared_ptr<BuildAction>>();
buildActions.reserve(ids.size());
for (const auto id : ids) {
if (id < actions.size()) {
if (auto &buildAction = actions[id]) {
buildActions.emplace_back(buildAction);
}
}
}
return buildActions;
}
void ServiceSetup::loadConfigFiles(bool restoreStateAndDiscardDatabases)
{
// read config file
cout << Phrases::InfoMessage << "Reading config file: " << configFilePath << Phrases::EndFlush;
IniFile configIni;
try {
// parse ini
ifstream configFile;
configFile.exceptions(fstream::badbit | fstream::failbit);
configFile.open(configFilePath, fstream::in);
configIni.parse(configFile);
// read basic configuration values (not cached)
for (const auto &iniEntry : configIni.data()) {
if (iniEntry.first.empty()) {
convertValue(iniEntry.second, "pacman_config_file_path", pacmanConfigFilePath);
convertValue(iniEntry.second, "working_directory", workingDirectory);
}
}
// apply working directory
if (!workingDirectory.empty()) {
try {
workingDirectory = std::filesystem::absolute(workingDirectory);
} catch (const std::filesystem::filesystem_error &e) {
cerr << Phrases::WarningMessage << "Unable to determine absolute path of specified working directory: " << e.what()
<< Phrases::EndFlush;
}
if (chdir(workingDirectory.c_str()) != 0) {
cerr << Phrases::WarningMessage << "Unable to change the working directory to \"" << workingDirectory
<< "\": " << std::strerror(errno) << Phrases::EndFlush;
}
}
// restore state/cache and discard databases
if (restoreStateAndDiscardDatabases) {
restoreState();
config.markAllDatabasesToBeDiscarded();
restoreStateAndDiscardDatabases = false;
}
// read webserver, build and user configuration (partially cached so read it after the cache has been restored to override cached values)
for (const auto &iniEntry : configIni.data()) {
if (iniEntry.first == "webserver") {
webServer.applyConfig(iniEntry.second);
} else if (iniEntry.first == "building") {
building.applyConfig(iniEntry.second);
std::string presetsFile;
convertValue(iniEntry.second, "presets", presetsFile);
building.readPresets(configFilePath, presetsFile);
} else if (startsWith(iniEntry.first, "user/")) {
auth.applyConfig(iniEntry.first.substr(5), iniEntry.second);
}
}
} catch (const ios_base::failure &) {
cerr << Phrases::WarningMessage << "An IO error occurred when parsing \"" << configFilePath << "\", using defaults" << Phrases::EndFlush;
}
// restore state/cache and discard databases if not done yet
if (restoreStateAndDiscardDatabases) {
restoreState();
config.markAllDatabasesToBeDiscarded();
}
// read pacman config
try {
config.loadPacmanConfig(pacmanConfigFilePath.data());
} catch (const ios_base::failure &e) {
cerr << Phrases::ErrorMessage << "An IO error occurred when loading pacman config: " << e.what() << Phrases::EndFlush;
} catch (const runtime_error &e) {
cerr << Phrases::ErrorMessage << "An error occurred when loading pacman config: " << e.what() << Phrases::EndFlush;
}
// add databases declared in config
std::unordered_map<std::string, std::string> globalDefinitions, dbDefinitions;
for (auto &iniEntry : configIni.data()) {
const auto &iniSection = iniEntry.first;
if (iniSection == "definitions") {
globalDefinitions.reserve(globalDefinitions.size() + iniEntry.second.size());
for (auto &definition : iniEntry.second) {
globalDefinitions['$' + definition.first] = move(definition.second);
}
continue;
}
if (!startsWith(iniSection, "database/")) {
continue;
}
// find existing database or create a new one; clear mirrors and other data from existing DBs
auto *const db = config.findOrCreateDatabaseFromDenotation(std::string_view(iniSection.data() + 9, iniSection.size() - 9));
db->toBeDiscarded = false;
dbDefinitions.clear();
dbDefinitions["$repo"] = db->name;
dbDefinitions["$arch"] = db->arch;
for (auto &dirEntry : iniEntry.second) {
const auto &key(dirEntry.first);
auto &value(dirEntry.second);
for (auto i = 0; i != 2; ++i) {
for (const auto &definitions : { dbDefinitions, globalDefinitions }) {
for (const auto &definition : definitions) {
findAndReplace(value, definition.first, definition.second);
}
}
}
if (key == "arch") {
db->arch = move(value);
dbDefinitions["$arch"] = db->arch;
} else if (key == "depends") {
db->dependencies = splitString<vector<string>>(value, " ", EmptyPartsTreat::Omit);
} else if (key == "pkgdir") {
db->localPkgDir = move(value);
} else if (key == "dbdir") {
db->localDbDir = move(value);
} else if (key == "path") {
db->path = move(value);
} else if (key == "filespath") {
db->filesPath = move(value);
} else if (key == "sync_from_mirror") {
db->syncFromMirror = value == "on";
} else if (key == "mirror") {
db->mirrors.emplace_back(move(value));
} else {
dbDefinitions["$" + key] = move(value);
}
}
}
// deduce database paths from local database dirs; remove duplicated mirrors
for (auto &db : config.databases) {
db.deducePathsFromLocalDirs();
deduplicateVector(db.mirrors);
}
// clear unused locks because locks might not be useful anymore with the new config (e.g. the lock was for a
// repository directory which has been removed)
locks.clear(); // FIXME: Do this regularly to avoid the locks table growing potentially endlessly?
// log the most important config values
cerr << Phrases::InfoMessage << "Working directory: " << workingDirectory << Phrases::EndFlush;
cerr << Phrases::InfoMessage << "Package cache directory: " << building.packageCacheDir << Phrases::EndFlush;
cerr << Phrases::InfoMessage << "Chroot directory: " << building.chrootDir << Phrases::EndFlush;
cerr << Phrases::InfoMessage << "Chroot root user: " << building.chrootRootUser << Phrases::EndFlush;
cerr << Phrases::InfoMessage << "Chroot default user: " << building.chrootDefaultUser << Phrases::EndFlush;
cerr << Phrases::InfoMessage << "Ccache directory: " << building.ccacheDir << Phrases::EndFlush;
}
void ServiceSetup::printDatabases()
{
cerr << Phrases::SuccessMessage << "Found " << config.databases.size() << " databases:" << Phrases::End;
for (const auto &db : config.databases) {
cerr << Phrases::SubMessage << db.name << "@" << db.arch << ": " << db.packages.size() << " packages, last updated on "
<< db.lastUpdate.toString(DateTimeOutputFormat::DateAndTime) << Phrases::End << " - path: " << db.path
<< "\n - local db dir: " << db.localDbDir << "\n - local package dir: " << db.localPkgDir << '\n';
}
cerr << Phrases::SubMessage << "AUR (" << config.aur.packages.size() << " packages cached)" << Phrases::End;
}
std::string_view ServiceSetup::cacheFilePath() const
{
return "cache-v" LIBREPOMGR_CACHE_VERSION ".bin";
}
RAPIDJSON_NAMESPACE::Document ServiceSetup::libraryDependenciesToJson() const
{
namespace JR = ReflectiveRapidJSON::JsonReflector;
auto document = RAPIDJSON_NAMESPACE::Document(RAPIDJSON_NAMESPACE::kObjectType);
auto &alloc = document.GetAllocator();
for (const auto &db : config.databases) {
auto dbValue = RAPIDJSON_NAMESPACE::Value(RAPIDJSON_NAMESPACE::Type::kObjectType);
for (const auto &[pkgName, pkg] : db.packages) {
if (!pkg->packageInfo) {
continue;
}
if (pkg->libdepends.empty() && pkg->libprovides.empty()) {
auto hasVersionedPythonOrPerlDep = false;
for (const auto &dependency : pkg->dependencies) {
if (dependency.mode == DependencyMode::Any || dependency.version.empty()
|| (dependency.name != "python" && dependency.name != "python2" && dependency.name != "perl")) {
continue;
}
hasVersionedPythonOrPerlDep = true;
break;
}
if (!hasVersionedPythonOrPerlDep) {
continue;
}
}
auto pkgValue = RAPIDJSON_NAMESPACE::Value(RAPIDJSON_NAMESPACE::Type::kObjectType);
auto pkgObj = pkgValue.GetObject();
JR::push(pkg->version, "v", pkgObj, alloc);
JR::push(pkg->packageInfo->buildDate, "t", pkgObj, alloc);
JR::push(pkg->dependencies, "d", pkgObj, alloc); // for versioned Python/Perl deps
JR::push(pkg->libdepends, "ld", pkgObj, alloc);
JR::push(pkg->libprovides, "lp", pkgObj, alloc);
dbValue.AddMember(RAPIDJSON_NAMESPACE::StringRef(pkgName.data(), JR::rapidJsonSize(pkgName.size())), pkgValue, alloc);
}
document.AddMember(RAPIDJSON_NAMESPACE::Value(db.name % '@' + db.arch, alloc), dbValue, alloc);
}
return document;
}
void ServiceSetup::restoreLibraryDependenciesFromJson(const string &json, ReflectiveRapidJSON::JsonDeserializationErrors *errors)
{
namespace JR = ReflectiveRapidJSON::JsonReflector;
const auto document = JR::parseJsonDocFromString(json.data(), json.size());
if (!document.IsObject()) {
errors->reportTypeMismatch<std::map<std::string, LibPkg::Database>>(document.GetType());
return;
}
// FIXME: be more error resilient here, e.g. set the following line and print list of errors instead of aborting on first error
// errors->throwOn = ReflectiveRapidJSON::JsonDeserializationErrors::ThrowOn::None;
const auto dbObj = document.GetObject();
for (const auto &dbEntry : dbObj) {
if (!dbEntry.value.IsObject()) {
errors->reportTypeMismatch<decltype(LibPkg::Database::packages)>(document.GetType());
continue;
}
auto *const db = config.findOrCreateDatabaseFromDenotation(std::string_view(dbEntry.name.GetString()));
const auto pkgsObj = dbEntry.value.GetObject();
for (const auto &pkgEntry : pkgsObj) {
if (!pkgEntry.value.IsObject()) {
errors->reportTypeMismatch<LibPkg::Package>(document.GetType());
continue;
}
const auto pkgObj = pkgEntry.value.GetObject();
auto name = std::string(pkgEntry.name.GetString());
auto &pkg = db->packages[name];
if (pkg) {
// do not mess with already existing packages; this restoring stuff is supposed to be done before loading packages from DBs
continue;
}
pkg = std::make_shared<LibPkg::Package>();
pkg->name = std::move(name);
pkg->origin = PackageOrigin::CustomSource;
pkg->packageInfo = std::make_unique<LibPkg::PackageInfo>();
JR::pull(pkg->version, "v", pkgObj, errors);
JR::pull(pkg->packageInfo->buildDate, "t", pkgObj, errors);
JR::pull(pkg->dependencies, "d", pkgObj, errors); // for versioned Python/Perl deps
JR::pull(pkg->libdepends, "ld", pkgObj, errors);
JR::pull(pkg->libprovides, "lp", pkgObj, errors);
db->addPackageDependencies(pkg);
}
}
}
std::size_t ServiceSetup::restoreState()
{
// clear old build actions before (There must not be any ongoing build actions when calling this function!)
building.actions.clear();
building.invalidActions.clear();
// restore configuration and maybe build actions from JSON file
const auto cacheFilePath = this->cacheFilePath();
std::size_t size = 0;
bool hasConfig = false, hasBuildActions = false;
try {
fstream cacheFile;
cacheFile.exceptions(ios_base::failbit | ios_base::badbit);
cacheFile.open(cacheFilePath.data(), ios_base::in | ios_base::binary);
ReflectiveRapidJSON::BinaryReflector::BinaryDeserializer deserializer(&cacheFile);
deserializer.read(config);
hasConfig = true;
if (!hasBuildActions) {
deserializer.read(building.actions);
hasBuildActions = true;
}
size = static_cast<std::uint64_t>(cacheFile.tellg());
cacheFile.close();
cerr << Phrases::SuccessMessage << "Restored cache file \"" << cacheFilePath << "\", " << dataSizeToString(size) << Phrases::EndFlush;
if (hasBuildActions) {
cerr << Phrases::SubMessage << "Restored build actions from cache file 😌" << Phrases::EndFlush;
}
} catch (const ConversionException &) {
cerr << Phrases::WarningMessage << "A conversion error occurred when restoring cache file \"" << cacheFilePath << "\"." << Phrases::EndFlush;
} catch (const ios_base::failure &) {
cerr << Phrases::WarningMessage << "An IO error occurred when restoring cache file \"" << cacheFilePath << "\"." << Phrases::EndFlush;
}
// restore build actions from JSON file
if (!hasBuildActions) {
try {
if (!restoreJsonObject(building.actions, workingDirectory, "build-actions-v" LIBREPOMGR_BUILD_ACTIONS_JSON_VERSION,
RestoreJsonExistingFileHandling::Skip)
.empty()) {
cerr << Phrases::SuccessMessage << "Restored build actions from JSON file 😒" << Phrases::EndFlush;
}
} catch (const std::runtime_error &e) {
cerr << Phrases::ErrorMessage << e.what() << Phrases::EndFlush;
}
}
// restore provided/required libraries from JSON file
if (!hasConfig) {
try {
if (!restoreJsonObject(std::bind(&ServiceSetup::restoreLibraryDependenciesFromJson, this, std::placeholders::_1, std::placeholders::_2),
workingDirectory, "library-dependencies-v" LIBREPOMGR_LIBRARY_DEPENDENCIES_JSON_VERSION, RestoreJsonExistingFileHandling::Skip)
.empty()) {
cerr << Phrases::SuccessMessage << "Restored library dependencies from JSON file 😒" << Phrases::EndFlush;
}
} catch (const std::runtime_error &e) {
cerr << Phrases::ErrorMessage << e.what() << Phrases::EndFlush;
}
}
// determine invalid build actions
if (building.actions.empty()) {
return size;
}
auto newActionsSize = building.actions.size();
for (auto id = newActionsSize - 1;; --id) {
if (building.actions[id]) {
break;
}
newActionsSize = id;
if (!newActionsSize) {
break;
}
}
building.actions.resize(newActionsSize);
for (std::size_t buildActionId = 0u, buildActionsSize = building.actions.size(); buildActionId != buildActionsSize; ++buildActionId) {
if (!building.actions[buildActionId]) {
building.invalidActions.emplace(buildActionId);
}
}
// ensure no build actions are considered running anymore and populate follow up actions
for (auto &action : building.actions) {
if (!action) {
continue;
}
for (const auto previousBuildActionID : action->startAfter) {
if (auto previousBuildAction = building.getBuildAction(previousBuildActionID)) {
previousBuildAction->m_followUpActions.emplace_back(action->weak_from_this());
}
}
if (action->isExecuting()) {
action->status = BuildActionStatus::Finished;
action->result = BuildActionResult::Failure;
action->resultData = "service crashed while exectuing";
}
}
return size;
}
std::size_t ServiceSetup::saveState()
{
// write cache file to be able to restore the service state when restarting the service efficiently
const auto cacheFilePath = this->cacheFilePath();
std::size_t size = 0;
try {
fstream cacheFile;
cacheFile.exceptions(ios_base::failbit | ios_base::badbit);
cacheFile.open(cacheFilePath.data(), ios_base::out | ios_base::trunc | ios_base::binary);
ReflectiveRapidJSON::BinaryReflector::BinarySerializer serializer(&cacheFile);
serializer.write(config);
serializer.write(building.actions);
size = static_cast<std::uint64_t>(cacheFile.tellp());
cacheFile.close();
cerr << Phrases::SuccessMessage << "Wrote cache file \"" << cacheFilePath << "\", " << dataSizeToString(size) << Phrases::EndFlush;
} catch (const ios_base::failure &) {
cerr << Phrases::WarningMessage << "An IO error occurred when dumping the cache file \"" << cacheFilePath << "\"." << Phrases::EndFlush;
}
// write build actions to a JSON file to be able to restore build actions even if the cache file can not be used due to version mismatch
// note: The JSON file's format is hopefully more stable.
try {
if (!dumpJsonObject(
building.actions, workingDirectory, "build-actions-v" LIBREPOMGR_BUILD_ACTIONS_JSON_VERSION, DumpJsonExistingFileHandling::Override)
.empty()) {
cerr << Phrases::SuccessMessage << "Wrote build actions to JSON file." << Phrases::EndFlush;
}
} catch (const std::runtime_error &e) {
cerr << Phrases::ErrorMessage << e.what() << Phrases::EndFlush;
}
// write provided/required libraries to a JSON file to be able to restore this information even if the cache file can not be used due to version
// mismatch
try {
if (!dumpJsonDocument(std::bind(&ServiceSetup::libraryDependenciesToJson, this), workingDirectory,
"library-dependencies-v" LIBREPOMGR_LIBRARY_DEPENDENCIES_JSON_VERSION, DumpJsonExistingFileHandling::Override)
.empty()) {
cerr << Phrases::SuccessMessage << "Wrote library dependencies to JSON file." << Phrases::EndFlush;
}
} catch (const std::runtime_error &e) {
cerr << Phrases::ErrorMessage << e.what() << Phrases::EndFlush;
}
return size;
}
void ServiceSetup::run()
{
#ifndef CPP_UTILITIES_DEBUG_BUILD
try {
#endif
loadConfigFiles(true);
config.discardDatabases();
config.loadAllPackages(building.loadFilesDbs);
#ifndef CPP_UTILITIES_DEBUG_BUILD
} catch (const std::exception &e) {
cerr << Phrases::SubError << e.what() << endl;
} catch (...) {
cerr << Phrases::SubError << "An unknown error occurred." << endl;
}
#endif
printDatabases();
cout << Phrases::SuccessMessage << "Initializing SSL" << Phrases::End;
webServer.initSsl();
{
cout << Phrases::SuccessMessage << "Allocating worker thread pool (thread count: " << building.threadCount << ")" << Phrases::End;
const auto buildWorker = building.allocateBuildWorker();
#ifndef CPP_UTILITIES_DEBUG_BUILD
try {
#endif
cout << Phrases::SuccessMessage << "Starting web server (thread count: " << webServer.threadCount << "):" << TextAttribute::Reset
<< " http://" << webServer.address << ':' << webServer.port << endl;
WebAPI::Server::serve(*this);
cout << Phrases::SuccessMessage << "Web server stopped." << Phrases::EndFlush;
#ifndef CPP_UTILITIES_DEBUG_BUILD
} catch (const std::exception &e) {
cerr << Phrases::ErrorMessage << "Server terminated due to exception: " << Phrases::End << " " << e.what() << Phrases::EndFlush;
} catch (...) {
cerr << Phrases::ErrorMessage << "Server terminated due to an unknown error." << Phrases::EndFlush;
}
#endif
}
for (auto &buildAction : building.actions) {
if (buildAction && buildAction->isExecuting()) {
buildAction->status = BuildActionStatus::Finished;
buildAction->result = BuildActionResult::Aborted;
}
}
saveState();
}
void ServiceSetup::Locks::clear()
{
auto log = LogContext();
const auto lock = std::lock_guard(m_mutex);
for (auto i = m_locksByName.begin(), end = m_locksByName.end(); i != end;) {
if (auto lock2 = i->second.tryLockToWrite(log, std::string(i->first)); lock2.lock()) { // check whether nobody holds the lock anymore
lock2.lock().unlock(); // ~shared_mutex(): The behavior is undefined if the mutex is owned by any thread [...].
m_locksByName.erase(i++); // we can be sure no other thead acquires i->second in the meantime because we're holding m_mutex
} else {
++i;
}
}
}
std::string ServiceSetup::Locks::forDatabase(std::string_view dbName, std::string_view dbArch)
{
return dbName % '@' + dbArch;
}
std::string ServiceSetup::Locks::forDatabase(const LibPkg::Database &db)
{
return forDatabase(db.name, db.arch);
}
ServiceStatus::ServiceStatus(const ServiceSetup &setup)
: version(applicationInfo.version)
, config(setup.config.computeStatus())
, actions(setup.building.metaInfo)
, presets(setup.building.presets)
{
}
} // namespace LibRepoMgr