mirror of
https://github.com/Xahau/xahaud.git
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01c1f87eca
* Copy Antithesis SDK version 0.4.0 to directory external/ * Add build option `voidstar` to enable instrumentation with Antithesis SDK * Define instrumentation macros ASSERT and UNREACHABLE in terms of regular C assert * Replace asserts with named ASSERT or UNREACHABLE * Add UNREACHABLE to LogicError * Document instrumentation macros in CONTRIBUTING.md
658 lines
20 KiB
C++
658 lines
20 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright 2014 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <test/jtx/envconfig.h>
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#include <xrpl/basics/make_SSLContext.h>
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#include <xrpl/beast/core/CurrentThreadName.h>
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#include <xrpl/beast/unit_test.h>
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#include <boost/asio.hpp>
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#include <boost/asio/ssl.hpp>
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#include <boost/utility/in_place_factory.hpp>
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#include <condition_variable>
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#include <functional>
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#include <memory>
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#include <optional>
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#include <thread>
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#include <utility>
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namespace ripple {
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/*
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Findings from the test:
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If the remote host calls async_shutdown then the local host's
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async_read will complete with eof.
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If both hosts call async_shutdown then the calls to async_shutdown
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will complete with eof.
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*/
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class short_read_test : public beast::unit_test::suite
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{
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private:
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using io_context_type = boost::asio::io_context;
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using strand_type = boost::asio::io_context::strand;
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using timer_type =
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boost::asio::basic_waitable_timer<std::chrono::steady_clock>;
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using acceptor_type = boost::asio::ip::tcp::acceptor;
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using socket_type = boost::asio::ip::tcp::socket;
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using stream_type = boost::asio::ssl::stream<socket_type&>;
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using error_code = boost::system::error_code;
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using endpoint_type = boost::asio::ip::tcp::endpoint;
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using address_type = boost::asio::ip::address;
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io_context_type io_context_;
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std::optional<boost::asio::executor_work_guard<boost::asio::executor>>
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work_;
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std::thread thread_;
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std::shared_ptr<boost::asio::ssl::context> context_;
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template <class Streambuf>
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static void
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write(Streambuf& sb, std::string const& s)
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{
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using boost::asio::buffer;
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using boost::asio::buffer_copy;
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using boost::asio::buffer_size;
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boost::asio::const_buffers_1 buf(s.data(), s.size());
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sb.commit(buffer_copy(sb.prepare(buffer_size(buf)), buf));
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}
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//--------------------------------------------------------------------------
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class Base
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{
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protected:
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class Child
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{
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private:
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Base& base_;
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public:
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explicit Child(Base& base) : base_(base)
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{
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}
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virtual ~Child()
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{
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base_.remove(this);
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}
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virtual void
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close() = 0;
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};
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private:
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std::mutex mutex_;
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std::condition_variable cond_;
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std::map<Child*, std::weak_ptr<Child>> list_;
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bool closed_ = false;
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public:
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~Base()
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{
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// Derived class must call wait() in the destructor
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assert(list_.empty());
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}
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void
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add(std::shared_ptr<Child> const& child)
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{
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std::lock_guard lock(mutex_);
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list_.emplace(child.get(), child);
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}
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void
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remove(Child* child)
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{
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std::lock_guard lock(mutex_);
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list_.erase(child);
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if (list_.empty())
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cond_.notify_one();
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}
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void
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close()
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{
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std::vector<std::shared_ptr<Child>> v;
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{
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std::lock_guard lock(mutex_);
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v.reserve(list_.size());
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if (closed_)
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return;
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closed_ = true;
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for (auto const& c : list_)
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{
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if (auto p = c.second.lock())
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{
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p->close();
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// Must destroy shared_ptr outside the
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// lock otherwise deadlock from the
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// managed object's destructor.
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v.emplace_back(std::move(p));
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}
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}
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}
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}
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void
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wait()
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{
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std::unique_lock<std::mutex> lock(mutex_);
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while (!list_.empty())
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cond_.wait(lock);
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}
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};
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//--------------------------------------------------------------------------
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class Server : public Base
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{
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private:
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short_read_test& test_;
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endpoint_type endpoint_;
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struct Acceptor : Child, std::enable_shared_from_this<Acceptor>
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{
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Server& server_;
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short_read_test& test_;
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acceptor_type acceptor_;
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socket_type socket_;
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strand_type strand_;
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explicit Acceptor(Server& server)
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: Child(server)
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, server_(server)
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, test_(server_.test_)
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, acceptor_(
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test_.io_context_,
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endpoint_type(
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beast::IP::Address::from_string(
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test::getEnvLocalhostAddr()),
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0))
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, socket_(test_.io_context_)
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, strand_(test_.io_context_)
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{
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acceptor_.listen();
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server_.endpoint_ = acceptor_.local_endpoint();
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}
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void
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close() override
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{
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if (!strand_.running_in_this_thread())
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return post(
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strand_,
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std::bind(&Acceptor::close, shared_from_this()));
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acceptor_.close();
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}
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void
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run()
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{
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acceptor_.async_accept(
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socket_,
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bind_executor(
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strand_,
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std::bind(
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&Acceptor::on_accept,
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shared_from_this(),
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std::placeholders::_1)));
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}
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void
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fail(std::string const& what, error_code ec)
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{
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if (acceptor_.is_open())
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{
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if (ec != boost::asio::error::operation_aborted)
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test_.log << what << ": " << ec.message() << std::endl;
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acceptor_.close();
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}
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}
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void
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on_accept(error_code ec)
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{
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if (ec)
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return fail("accept", ec);
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auto const p =
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std::make_shared<Connection>(server_, std::move(socket_));
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server_.add(p);
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p->run();
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acceptor_.async_accept(
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socket_,
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bind_executor(
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strand_,
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std::bind(
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&Acceptor::on_accept,
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shared_from_this(),
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std::placeholders::_1)));
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}
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};
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struct Connection : Child, std::enable_shared_from_this<Connection>
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{
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Server& server_;
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short_read_test& test_;
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socket_type socket_;
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stream_type stream_;
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strand_type strand_;
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timer_type timer_;
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boost::asio::streambuf buf_;
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Connection(Server& server, socket_type&& socket)
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: Child(server)
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, server_(server)
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, test_(server_.test_)
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, socket_(std::move(socket))
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, stream_(socket_, *test_.context_)
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, strand_(test_.io_context_)
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, timer_(test_.io_context_)
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{
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}
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void
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close() override
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{
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if (!strand_.running_in_this_thread())
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return post(
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strand_,
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std::bind(&Connection::close, shared_from_this()));
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if (socket_.is_open())
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{
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socket_.close();
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timer_.cancel();
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}
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}
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void
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run()
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{
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timer_.expires_from_now(std::chrono::seconds(3));
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timer_.async_wait(bind_executor(
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strand_,
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std::bind(
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&Connection::on_timer,
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shared_from_this(),
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std::placeholders::_1)));
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stream_.async_handshake(
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stream_type::server,
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_handshake,
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shared_from_this(),
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std::placeholders::_1)));
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}
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void
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fail(std::string const& what, error_code ec)
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{
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if (socket_.is_open())
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{
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if (ec != boost::asio::error::operation_aborted)
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test_.log << "[server] " << what << ": " << ec.message()
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<< std::endl;
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socket_.close();
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timer_.cancel();
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}
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}
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void
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on_timer(error_code ec)
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{
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if (ec == boost::asio::error::operation_aborted)
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return;
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if (ec)
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return fail("timer", ec);
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test_.log << "[server] timeout" << std::endl;
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socket_.close();
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}
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void
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on_handshake(error_code ec)
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{
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if (ec)
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return fail("handshake", ec);
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#if 1
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boost::asio::async_read_until(
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stream_,
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buf_,
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"\n",
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_read,
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shared_from_this(),
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std::placeholders::_1,
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std::placeholders::_2)));
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#else
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close();
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#endif
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}
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void
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on_read(error_code ec, std::size_t bytes_transferred)
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{
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if (ec == boost::asio::error::eof)
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{
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server_.test_.log << "[server] read: EOF" << std::endl;
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return stream_.async_shutdown(bind_executor(
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strand_,
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std::bind(
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&Connection::on_shutdown,
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shared_from_this(),
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std::placeholders::_1)));
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}
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if (ec)
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return fail("read", ec);
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buf_.commit(bytes_transferred);
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buf_.consume(bytes_transferred);
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write(buf_, "BYE\n");
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boost::asio::async_write(
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stream_,
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buf_.data(),
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_write,
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shared_from_this(),
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std::placeholders::_1,
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std::placeholders::_2)));
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}
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void
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on_write(error_code ec, std::size_t bytes_transferred)
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{
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buf_.consume(bytes_transferred);
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if (ec)
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return fail("write", ec);
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stream_.async_shutdown(bind_executor(
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strand_,
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std::bind(
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&Connection::on_shutdown,
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shared_from_this(),
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std::placeholders::_1)));
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}
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void
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on_shutdown(error_code ec)
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{
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if (ec)
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return fail("shutdown", ec);
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socket_.close();
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timer_.cancel();
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}
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};
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public:
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explicit Server(short_read_test& test) : test_(test)
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{
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auto const p = std::make_shared<Acceptor>(*this);
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add(p);
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p->run();
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}
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~Server()
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{
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close();
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wait();
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}
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endpoint_type const&
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endpoint() const
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{
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return endpoint_;
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}
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};
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//--------------------------------------------------------------------------
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class Client : public Base
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{
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private:
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short_read_test& test_;
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struct Connection : Child, std::enable_shared_from_this<Connection>
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{
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Client& client_;
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short_read_test& test_;
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socket_type socket_;
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stream_type stream_;
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strand_type strand_;
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timer_type timer_;
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boost::asio::streambuf buf_;
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endpoint_type const& ep_;
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Connection(Client& client, endpoint_type const& ep)
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: Child(client)
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, client_(client)
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, test_(client_.test_)
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, socket_(test_.io_context_)
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, stream_(socket_, *test_.context_)
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, strand_(test_.io_context_)
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, timer_(test_.io_context_)
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, ep_(ep)
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{
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}
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void
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close() override
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{
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if (!strand_.running_in_this_thread())
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return post(
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strand_,
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std::bind(&Connection::close, shared_from_this()));
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if (socket_.is_open())
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{
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socket_.close();
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timer_.cancel();
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}
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}
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void
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run(endpoint_type const& ep)
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{
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timer_.expires_from_now(std::chrono::seconds(3));
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timer_.async_wait(bind_executor(
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strand_,
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std::bind(
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&Connection::on_timer,
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shared_from_this(),
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std::placeholders::_1)));
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socket_.async_connect(
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ep,
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_connect,
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shared_from_this(),
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std::placeholders::_1)));
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}
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void
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fail(std::string const& what, error_code ec)
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{
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if (socket_.is_open())
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{
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if (ec != boost::asio::error::operation_aborted)
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test_.log << "[client] " << what << ": " << ec.message()
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<< std::endl;
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socket_.close();
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timer_.cancel();
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}
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}
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void
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on_timer(error_code ec)
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{
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if (ec == boost::asio::error::operation_aborted)
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return;
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if (ec)
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return fail("timer", ec);
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test_.log << "[client] timeout";
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socket_.close();
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}
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void
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on_connect(error_code ec)
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{
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if (ec)
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return fail("connect", ec);
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stream_.async_handshake(
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stream_type::client,
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_handshake,
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shared_from_this(),
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std::placeholders::_1)));
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}
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void
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on_handshake(error_code ec)
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{
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if (ec)
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return fail("handshake", ec);
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write(buf_, "HELLO\n");
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#if 1
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boost::asio::async_write(
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stream_,
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buf_.data(),
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_write,
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shared_from_this(),
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std::placeholders::_1,
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std::placeholders::_2)));
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#else
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stream_.async_shutdown(bind_executor(
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strand_,
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std::bind(
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&Connection::on_shutdown,
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shared_from_this(),
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std::placeholders::_1)));
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#endif
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}
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void
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on_write(error_code ec, std::size_t bytes_transferred)
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{
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buf_.consume(bytes_transferred);
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if (ec)
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return fail("write", ec);
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#if 1
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boost::asio::async_read_until(
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stream_,
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buf_,
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"\n",
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bind_executor(
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strand_,
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std::bind(
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&Connection::on_read,
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shared_from_this(),
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std::placeholders::_1,
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std::placeholders::_2)));
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#else
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stream_.async_shutdown(bind_executor(
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strand_,
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std::bind(
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&Connection::on_shutdown,
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shared_from_this(),
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std::placeholders::_1)));
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#endif
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}
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void
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on_read(error_code ec, std::size_t bytes_transferred)
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{
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if (ec)
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return fail("read", ec);
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buf_.commit(bytes_transferred);
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stream_.async_shutdown(bind_executor(
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strand_,
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std::bind(
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&Connection::on_shutdown,
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shared_from_this(),
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std::placeholders::_1)));
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}
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|
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void
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on_shutdown(error_code ec)
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{
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if (ec)
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return fail("shutdown", ec);
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socket_.close();
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timer_.cancel();
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}
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};
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public:
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Client(short_read_test& test, endpoint_type const& ep) : test_(test)
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|
{
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|
auto const p = std::make_shared<Connection>(*this, ep);
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|
add(p);
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|
p->run(ep);
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|
}
|
|
|
|
~Client()
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|
{
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|
close();
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|
wait();
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|
}
|
|
};
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|
|
|
public:
|
|
short_read_test()
|
|
: work_(io_context_.get_executor())
|
|
, thread_(std::thread([this]() {
|
|
beast::setCurrentThreadName("io_context");
|
|
this->io_context_.run();
|
|
}))
|
|
, context_(make_SSLContext(""))
|
|
{
|
|
}
|
|
|
|
~short_read_test()
|
|
{
|
|
work_.reset();
|
|
thread_.join();
|
|
}
|
|
|
|
void
|
|
run() override
|
|
{
|
|
Server s(*this);
|
|
Client c(*this, s.endpoint());
|
|
c.wait();
|
|
pass();
|
|
}
|
|
};
|
|
|
|
BEAST_DEFINE_TESTSUITE(short_read, overlay, ripple);
|
|
|
|
} // namespace ripple
|