//===-- 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 #include #include 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 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 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; 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