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_server_Acceptor_h_
9#define 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
19namespace llvm {
20class StringRef;
21}
22
23namespace lldb_private {
24namespace lldb_server {
25
26class Acceptor {
27public:
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
46private:
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_server_Acceptor_h_
61