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//===-- GDBRemoteCommunicationReplayServer.h --------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#ifndef LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONREPLAYSERVER_H
#define LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONREPLAYSERVER_H
// Other libraries and framework includes
#include "GDBRemoteCommunication.h"
#include "GDBRemoteCommunicationClient.h"
#include "GDBRemoteCommunicationHistory.h"
// Project includes
#include "lldb/Host/HostThread.h"
#include "lldb/Utility/Broadcaster.h"
#include "lldb/lldb-private-forward.h"
#include "llvm/Support/Error.h"
// C Includes
// C++ Includes
#include <functional>
#include <map>
#include <thread>
class StringExtractorGDBRemote;
namespace lldb_private {
namespace process_gdb_remote {
class ProcessGDBRemote;
/// Dummy GDB server that replays packets from the GDB Remote Communication
/// history. This is used to replay GDB packets.
class GDBRemoteCommunicationReplayServer : public GDBRemoteCommunication {
public:
GDBRemoteCommunicationReplayServer();
~GDBRemoteCommunicationReplayServer() override;
PacketResult GetPacketAndSendResponse(Timeout<std::micro> timeout,
Status &error, bool &interrupt,
bool &quit);
bool HandshakeWithClient() { return GetAck() == PacketResult::Success; }
llvm::Error LoadReplayHistory(const FileSpec &path);
bool StartAsyncThread();
void StopAsyncThread();
Status Connect(process_gdb_remote::GDBRemoteCommunicationClient &client);
protected:
enum {
eBroadcastBitAsyncContinue = (1 << 0),
eBroadcastBitAsyncThreadShouldExit = (1 << 1),
};
static void ReceivePacket(GDBRemoteCommunicationReplayServer &server,
bool &done);
static lldb::thread_result_t AsyncThread(void *arg);
/// Replay history with the oldest packet at the end.
std::vector<GDBRemotePacket> m_packet_history;
/// Server thread.
Broadcaster m_async_broadcaster;
lldb::ListenerSP m_async_listener_sp;
HostThread m_async_thread;
std::recursive_mutex m_async_thread_state_mutex;
bool m_skip_acks = false;
private:
GDBRemoteCommunicationReplayServer(
const GDBRemoteCommunicationReplayServer &) = delete;
const GDBRemoteCommunicationReplayServer &
operator=(const GDBRemoteCommunicationReplayServer &) = delete;
};
} // namespace process_gdb_remote
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONREPLAYSERVER_H
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