GDBRemoteCommunicationServerPlatform.h

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//===-- GDBRemoteCommunicationServerPlatform.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_GDBREMOTECOMMUNICATIONSERVERPLATFORM_H
#define LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONSERVERPLATFORM_H
 
#include <map>
#include <mutex>
#include <optional>
#include <set>
 
#include "GDBRemoteCommunicationServerCommon.h"
#include "lldb/Host/Socket.h"
 
#include "llvm/Support/Error.h"
 
namespace lldb_private {
namespace process_gdb_remote {
 
class GDBRemoteCommunicationServerPlatform
    : public GDBRemoteCommunicationServerCommon {
public:
  GDBRemoteCommunicationServerPlatform(
      const Socket::SocketProtocol socket_protocol, uint16_t gdbserver_port);
 
  ~GDBRemoteCommunicationServerPlatform() override;
 
  Status LaunchProcess() override;
 
  void SetInferiorArguments(const lldb_private::Args &args);
 
  Status LaunchGDBServer(const lldb_private::Args &args, lldb::pid_t &pid,
                         std::string &socket_name, shared_fd_t fd);
 
  void SetPendingGdbServer(const std::string &socket_name);
 
protected:
  const Socket::SocketProtocol m_socket_protocol;
  std::recursive_mutex m_spawned_pids_mutex;
  std::set<lldb::pid_t> m_spawned_pids;
 
  uint16_t m_gdbserver_port;
  std::optional<std::string> m_pending_gdb_server_socket_name;
 
  PacketResult Handle_qLaunchGDBServer(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_qQueryGDBServer(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_qKillSpawnedProcess(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_qPathComplete(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_qProcessInfo(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_qGetWorkingDir(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_QSetWorkingDir(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_qC(StringExtractorGDBRemote &packet);
 
  PacketResult Handle_jSignalsInfo(StringExtractorGDBRemote &packet);
 
private:
  bool KillSpawnedProcess(lldb::pid_t pid);
  bool SpawnedProcessIsRunning(lldb::pid_t pid);
  void AddSpawnedProcess(lldb::pid_t pid);
 
  void DebugserverProcessReaped(lldb::pid_t pid);
 
  static const FileSpec &GetDomainSocketDir();
 
  static FileSpec GetDomainSocketPath(const char *prefix);
 
  GDBRemoteCommunicationServerPlatform(
      const GDBRemoteCommunicationServerPlatform &) = delete;
  const GDBRemoteCommunicationServerPlatform &
  operator=(const GDBRemoteCommunicationServerPlatform &) = delete;
};
 
} // namespace process_gdb_remote
} // namespace lldb_private
 
#endif // LLDB_SOURCE_PLUGINS_PROCESS_GDB_REMOTE_GDBREMOTECOMMUNICATIONSERVERPLATFORM_H