//===-- Acceptor.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_TOOLS_LLDB_SERVER_ACCEPTOR_H

#define LLDB_TOOLS_LLDB_SERVER_ACCEPTOR_H

#include "lldb/Host/Socket.h"

#include "lldb/Utility/Connection.h"

#include "lldb/Utility/Status.h"

#include <functional>

#include <memory>

#include <string>

namespace llvm {

class StringRef;

}

namespace lldb_private {

namespace lldb_server {

class Acceptor {

public:

  virtual ~Acceptor() = default;

  Status Listen(int backlog);

  Status Accept(const bool child_processes_inherit, Connection *&conn);

  static std::unique_ptr<Acceptor> Create(llvm::StringRef name,

                                          const bool child_processes_inherit,

                                          Status &error);

  Socket::SocketProtocol GetSocketProtocol() const;

  const char *GetSocketScheme() const;

  // Returns either TCP port number as string or domain socket path.

  // Empty string is returned in case of error.

  std::string GetLocalSocketId() const;

private:

  typedef std::function<std::string()> LocalSocketIdFunc;

  Acceptor(std::unique_ptr<Socket> &&listener_socket, llvm::StringRef name,

           const LocalSocketIdFunc &local_socket_id);

  const std::unique_ptr<Socket> m_listener_socket_up;

  const std::string m_name;

  const LocalSocketIdFunc m_local_socket_id;

};

} // namespace lldb_server

} // namespace lldb_private

#endif // LLDB_TOOLS_LLDB_SERVER_ACCEPTOR_H