HttpServer启动失败直接触发abort

[TYUTthelastone]

HttpServer启动的时候，启用SSL的线程是app().run()的线程，enableSSL触发的runtime_error被HttpServer所属的loop捕获了，导致assertInLoopThread()断言了。

drogon/lib/src/ListenerManager.cc

Lines 78 to 193 in 3fce70b

	void ListenerManager::createListeners(
	const std::string &globalCertFile,
	const std::string &globalKeyFile,
	const std::vector<std::pair<std::string, std::string>> &sslConfCmds,
	const std::vector<trantor::EventLoop *> &ioLoops)
	{
	LOG_TRACE << "thread num=" << ioLoops.size();
	#ifdef __linux__
	for (size_t i = 0; i < ioLoops.size(); ++i)
	{
	for (auto const &listener : listeners_)
	{
	auto const &ip = listener.ip_;
	bool isIpv6 = (ip.find(':') != std::string::npos);
	InetAddress listenAddress(ip, listener.port_, isIpv6);
	if (listenAddress.isUnspecified())
	{
	LOG_FATAL << "Failed to parse IP address '" << ip
	<< "'. (Note: FQDN/domain names/hostnames are not "
	"supported. Including 'localhost')";
	abort();
	}
	if (i == 0 && !app().reusePort())
	{
	DrogonFileLocker lock;
	// Check whether the port is in use.
	TcpServer server(HttpAppFrameworkImpl::instance().getLoop(),
	listenAddress,
	"drogonPortTest",
	true,
	false);
	}
	std::shared_ptr<HttpServer> serverPtr =
	std::make_shared<HttpServer>(ioLoops[i],
	listenAddress,
	"drogon");
	if (beforeListenSetSockOptCallback_)
	{
	serverPtr->setBeforeListenSockOptCallback(
	beforeListenSetSockOptCallback_);
	}
	if (afterAcceptSetSockOptCallback_)
	{
	serverPtr->setAfterAcceptSockOptCallback(
	afterAcceptSetSockOptCallback_);
	}
	if (listener.useSSL_ && utils::supportsTls())
	{
	auto cert = listener.certFile_;
	auto key = listener.keyFile_;
	if (cert.empty())
	cert = globalCertFile;
	if (key.empty())
	key = globalKeyFile;
	if (cert.empty() || key.empty())
	{
	std::cerr
	<< "You can't use https without cert file or key file"
	<< std::endl;
	exit(1);
	}
	auto cmds = sslConfCmds;
	std::copy(listener.sslConfCmds_.begin(),
	listener.sslConfCmds_.end(),
	std::back_inserter(cmds));
	auto policy =
	trantor::TLSPolicy::defaultServerPolicy(cert, key);
	policy->setConfCmds(cmds).setUseOldTLS(listener.useOldTLS_);
	serverPtr->enableSSL(std::move(policy));
	}
	servers_.push_back(serverPtr);
	}
	}
	#else
	if (!listeners_.empty())
	{
	listeningThread_ =
	std::make_unique<EventLoopThread>("DrogonListeningLoop");
	listeningThread_->run();
	for (auto const &listener : listeners_)
	{
	auto ip = listener.ip_;
	bool isIpv6 = (ip.find(':') != std::string::npos);
	auto serverPtr = std::make_shared<HttpServer>(
	listeningThread_->getLoop(),
	InetAddress(ip, listener.port_, isIpv6),
	"drogon");
	if (listener.useSSL_ && utils::supportsTls())
	{
	auto cert = listener.certFile_;
	auto key = listener.keyFile_;
	if (cert.empty())
	cert = globalCertFile;
	if (key.empty())
	key = globalKeyFile;
	if (cert.empty() || key.empty())
	{
	std::cerr
	<< "You can't use https without cert file or key file"
	<< std::endl;
	exit(1);
	}
	auto cmds = sslConfCmds;
	auto policy =
	trantor::TLSPolicy::defaultServerPolicy(cert, key);
	policy->setConfCmds(cmds).setUseOldTLS(listener.useOldTLS_);
	serverPtr->enableSSL(std::move(policy));
	}
	serverPtr->setIoLoops(ioLoops);
	servers_.push_back(serverPtr);
	}
	}
	#endif
	}

[TYUTthelastone]

应该是enable中抛出异常后httpserver析构导致的，具体析构流程是
~HttpServer->~TcpServer->~Acceptor->Channel::disableAll()->Channel::update()->EventLoop::updateChannel()->EventLoop::assertInLoopThread()