1 //===-- Acceptor.h ----------------------------------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 //===----------------------------------------------------------------------===//
9 #ifndef lldb_server_Acceptor_h_
10 #define lldb_server_Acceptor_h_
11 
12 #include "lldb/Host/Socket.h"
13 #include "lldb/Utility/Connection.h"
14 #include "lldb/Utility/Status.h"
15 
16 #include <functional>
17 #include <memory>
18 #include <string>
19 
20 namespace llvm {
21 class StringRef;
22 }
23 
24 namespace lldb_private {
25 namespace lldb_server {
26 
27 class Acceptor {
28 public:
29   virtual ~Acceptor() = default;
30 
31   Status Listen(int backlog);
32 
33   Status Accept(const bool child_processes_inherit, Connection *&conn);
34 
35   static std::unique_ptr<Acceptor> Create(llvm::StringRef name,
36                                           const bool child_processes_inherit,
37                                           Status &error);
38 
39   Socket::SocketProtocol GetSocketProtocol() const;
40 
41   const char *GetSocketScheme() const;
42 
43   // Returns either TCP port number as string or domain socket path.
44   // Empty string is returned in case of error.
45   std::string GetLocalSocketId() const;
46 
47 private:
48   typedef std::function<std::string()> LocalSocketIdFunc;
49 
50   Acceptor(std::unique_ptr<Socket> &&listener_socket, llvm::StringRef name,
51            const LocalSocketIdFunc &local_socket_id);
52 
53   const std::unique_ptr<Socket> m_listener_socket_up;
54   const std::string m_name;
55   const LocalSocketIdFunc m_local_socket_id;
56 };
57 
58 } // namespace lldb_server
59 } // namespace lldb_private
60 
61 #endif // lldb_server_Acceptor_h_
62