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//===-- GDBRemoteCommunicationServer.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_GDBREMOTECOMMUNICATIONSERVER_H
#define LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONSERVER_H
#include <functional>
#include <map>
#include "GDBRemoteCommunication.h"
#include "lldb/lldb-private-forward.h"
#include "llvm/Support/Errc.h"
#include "llvm/Support/Error.h"
class StringExtractorGDBRemote;
namespace lldb_private {
namespace process_gdb_remote {
class ProcessGDBRemote;
class GDBRemoteCommunicationServer : public GDBRemoteCommunication {
public:
using PortMap = std::map<uint16_t, lldb::pid_t>;
using PacketHandler =
std::function<PacketResult(StringExtractorGDBRemote &packet,
Status &error, bool &interrupt, bool &quit)>;
GDBRemoteCommunicationServer(const char *comm_name,
const char *listener_name);
~GDBRemoteCommunicationServer() override;
void
RegisterPacketHandler(StringExtractorGDBRemote::ServerPacketType packet_type,
PacketHandler handler);
PacketResult GetPacketAndSendResponse(Timeout<std::micro> timeout,
Status &error, bool &interrupt,
bool &quit);
// After connecting, do a little handshake with the client to make sure
// we are at least communicating
bool HandshakeWithClient();
protected:
std::map<StringExtractorGDBRemote::ServerPacketType, PacketHandler>
m_packet_handlers;
bool m_exit_now; // use in asynchronous handling to indicate process should
// exit.
bool m_send_error_strings = false; // If the client enables this then
// we will send error strings as well.
PacketResult Handle_QErrorStringEnable(StringExtractorGDBRemote &packet);
PacketResult SendErrorResponse(const Status &error);
PacketResult SendErrorResponse(llvm::Error error);
PacketResult SendUnimplementedResponse(const char *packet);
PacketResult SendErrorResponse(uint8_t error);
PacketResult SendIllFormedResponse(const StringExtractorGDBRemote &packet,
const char *error_message);
PacketResult SendOKResponse();
private:
GDBRemoteCommunicationServer(const GDBRemoteCommunicationServer &) = delete;
const GDBRemoteCommunicationServer &
operator=(const GDBRemoteCommunicationServer &) = delete;
};
class PacketUnimplementedError
: public llvm::ErrorInfo<PacketUnimplementedError, llvm::StringError> {
public:
static char ID;
using llvm::ErrorInfo<PacketUnimplementedError,
llvm::StringError>::ErrorInfo; // inherit constructors
PacketUnimplementedError(const llvm::Twine &S)
: ErrorInfo(S, llvm::errc::not_supported) {}
PacketUnimplementedError() : ErrorInfo(llvm::errc::not_supported) {}
};
} // namespace process_gdb_remote
} // namespace lldb_private
#endif // LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONSERVER_H
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