1//===-- RNBSocket.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//
9// Created by Greg Clayton on 12/12/07.
10//
11//===----------------------------------------------------------------------===//
12
13#ifndef LLDB_TOOLS_DEBUGSERVER_SOURCE_RNBSOCKET_H
14#define LLDB_TOOLS_DEBUGSERVER_SOURCE_RNBSOCKET_H
15
16#include "DNBTimer.h"
17#include "RNBDefs.h"
18#include <string>
19#include <sys/socket.h>
20#include <sys/types.h>
21
22#ifdef WITH_LOCKDOWN
23#include "lockdown.h"
24#endif
25
26class RNBSocket {
27public:
28 typedef void (*PortBoundCallback)(const void *baton, uint16_t port);
29
30 RNBSocket()
31 : m_fd(-1),
32#ifdef WITH_LOCKDOWN
33 m_fd_from_lockdown(false), m_ld_conn(),
34#endif
35 m_timer(true) // Make a thread safe timer
36 {
37 }
38 ~RNBSocket(void) { Disconnect(save_errno: false); }
39
40 rnb_err_t Listen(const char *listen_host, uint16_t port,
41 PortBoundCallback callback, const void *callback_baton);
42 rnb_err_t Connect(const char *host, uint16_t port);
43
44 rnb_err_t useFD(int fd);
45
46#ifdef WITH_LOCKDOWN
47 rnb_err_t ConnectToService();
48#endif
49 rnb_err_t OpenFile(const char *path);
50 rnb_err_t Disconnect(bool save_errno);
51 rnb_err_t Read(std::string &p);
52 rnb_err_t Write(const void *buffer, size_t length);
53
54 bool IsConnected() const { return m_fd != -1; }
55 void SaveErrno(int curr_errno);
56 DNBTimer &Timer() { return m_timer; }
57
58 static int SetSocketOption(int fd, int level, int option_name,
59 int option_value);
60
61private:
62 RNBSocket(const RNBSocket &) = delete;
63
64protected:
65 rnb_err_t ClosePort(int &fd, bool save_errno);
66
67 int m_fd; // Socket we use to communicate once conn established
68
69#ifdef WITH_LOCKDOWN
70 bool m_fd_from_lockdown;
71 lockdown_connection m_ld_conn;
72#endif
73
74 DNBTimer m_timer;
75};
76
77#endif // LLDB_TOOLS_DEBUGSERVER_SOURCE_RNBSOCKET_H
78

source code of lldb/tools/debugserver/source/RNBSocket.h