GDBRemoteCommunicationServerPlatform.h revision 285116 
1//===-- GDBRemoteCommunicationServerPlatform.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
10#ifndef liblldb_GDBRemoteCommunicationServerPlatform_h_
11#define liblldb_GDBRemoteCommunicationServerPlatform_h_
12
13#include "GDBRemoteCommunicationServerCommon.h"
14
15namespace lldb_private {
16namespace process_gdb_remote {
17
18class GDBRemoteCommunicationServerPlatform :
19    public GDBRemoteCommunicationServerCommon
20{
21public:
22    typedef std::map<uint16_t, lldb::pid_t> PortMap;
23
24    GDBRemoteCommunicationServerPlatform();
25
26    virtual
27    ~GDBRemoteCommunicationServerPlatform();
28
29    Error
30    LaunchProcess () override;
31
32    // Set both ports to zero to let the platform automatically bind to
33    // a port chosen by the OS.
34    void
35    SetPortMap (PortMap &&port_map);
36
37    //----------------------------------------------------------------------
38    // If we are using a port map where we can only use certain ports,
39    // get the next available port.
40    //
41    // If we are using a port map and we are out of ports, return UINT16_MAX
42    //
43    // If we aren't using a port map, return 0 to indicate we should bind to
44    // port 0 and then figure out which port we used.
45    //----------------------------------------------------------------------
46    uint16_t
47    GetNextAvailablePort ();
48
49    bool
50    AssociatePortWithProcess (uint16_t port, lldb::pid_t pid);
51
52    bool
53    FreePort (uint16_t port);
54
55    bool
56    FreePortForProcess (lldb::pid_t pid);
57
58    void
59    SetPortOffset (uint16_t port_offset);
60
61protected:
62    lldb::PlatformSP m_platform_sp;
63
64    PortMap m_port_map;
65    uint16_t m_port_offset;
66
67    PacketResult
68    Handle_qLaunchGDBServer (StringExtractorGDBRemote &packet);
69
70    PacketResult
71    Handle_qProcessInfo (StringExtractorGDBRemote &packet);
72
73    PacketResult
74    Handle_qGetWorkingDir (StringExtractorGDBRemote &packet);
75
76    PacketResult
77    Handle_QSetWorkingDir (StringExtractorGDBRemote &packet);
78
79    PacketResult
80    Handle_qC (StringExtractorGDBRemote &packet);
81
82private:
83    bool
84    DebugserverProcessReaped (lldb::pid_t pid);
85
86    static bool
87    ReapDebugserverProcess (void *callback_baton,
88                            lldb::pid_t pid,
89                            bool exited,
90                            int signal,
91                            int status);
92
93    //------------------------------------------------------------------
94    // For GDBRemoteCommunicationServerPlatform only
95    //------------------------------------------------------------------
96    DISALLOW_COPY_AND_ASSIGN (GDBRemoteCommunicationServerPlatform);
97};
98
99} // namespace process_gdb_remote
100} // namespace lldb_private
101
102#endif  // liblldb_GDBRemoteCommunicationServerPlatform_h_
103