lldb/tools/lldb-server/Acceptor.h

   1 //===-- Acceptor.h ----------------------------------------------*- C++ -*-===//
   2 //
   3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
   4 // See https://llvm.org/LICENSE.txt for license information.
   5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8 #ifndef LLDB_TOOLS_LLDB_SERVER_ACCEPTOR_H
   9 #define LLDB_TOOLS_LLDB_SERVER_ACCEPTOR_H
  10
  11 #include "lldb/Host/Socket.h"
  12 #include "lldb/Utility/Connection.h"
  13 #include "lldb/Utility/Status.h"
  14
  15 #include <functional>
  16 #include <memory>
  17 #include <string>
  18
  19 namespace llvm {
  20 class StringRef;
  21 }
  22
  23 namespace lldb_private {
  24 namespace lldb_server {
  25
  26 class Acceptor {
  27 public:
  28   virtual ~Acceptor() = default;
  29
  30   Status Listen(int backlog);
  31
  32   Status Accept(const bool child_processes_inherit, Connection *&conn);
  33
  34   static std::unique_ptr<Acceptor> Create(llvm::StringRef name,
  35                                           const bool child_processes_inherit,
  36                                           Status &error);
  37
  38   Socket::SocketProtocol GetSocketProtocol() const;
  39
  40   const char *GetSocketScheme() const;
  41
  42   // Returns either TCP port number as string or domain socket path.
  43   // Empty string is returned in case of error.
  44   std::string GetLocalSocketId() const;
  45
  46 private:
  47   typedef std::function<std::string()> LocalSocketIdFunc;
  48
  49   Acceptor(std::unique_ptr<Socket> &&listener_socket, llvm::StringRef name,
  50            const LocalSocketIdFunc &local_socket_id);
  51
  52   const std::unique_ptr<Socket> m_listener_socket_up;
  53   const std::string m_name;
  54   const LocalSocketIdFunc m_local_socket_id;
  55 };
  56
  57 } // namespace lldb_server
  58 } // namespace lldb_private
  59
  60 #endif // LLDB_TOOLS_LLDB_SERVER_ACCEPTOR_H