src/m_jvmdebug.h

   1 ///
   2 /// \file       m_jvmdebug.h
   3 ///             Mode class for the JVMDebug mode
   4 ///
   5
   6 /*
   7     Copyright (C) 2005-2013, Net Direct Inc. (http://www.netdirect.ca/)
   8     Copyright (C) 2008-2009, Nicolas VIVIEN
   9
  10     This program is free software; you can redistribute it and/or modify
  11     it under the terms of the GNU General Public License as published by
  12     the Free Software Foundation; either version 2 of the License, or
  13     (at your option) any later version.
  14
  15     This program is distributed in the hope that it will be useful,
  16     but WITHOUT ANY WARRANTY; without even the implied warranty of
  17     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  18
  19     See the GNU General Public License in the COPYING file at the
  20     root directory of this project for more details.
  21 */
  22
  23 #ifndef __BARRY_M_JVMDEBUG_H__
  24 #define __BARRY_M_JVMDEBUG_H__
  25
  26 #include "dll.h"
  27 #include "m_mode_base.h"
  28 #include "socket.h"
  29 #include "record.h"
  30 #include "data.h"
  31
  32 namespace Barry {
  33
  34 // forward declarations
  35 class Parser;
  36 class Builder;
  37 class Controller;
  38
  39 class JVMModulesEntry;
  40 class JVMThreadsEntry;
  41
  42
  43 class BXEXPORT JVMModulesList : public std::vector<JVMModulesEntry>
  44 {
  45 public:
  46         typedef std::vector<JVMModulesEntry>            base_type;
  47         typedef base_type::iterator                     iterator;
  48         typedef base_type::const_iterator               const_iterator;
  49
  50 public:
  51         void Parse(const Data &entry_packet);
  52
  53         void Dump(std::ostream &os) const;
  54 };
  55 BXEXPORT inline std::ostream& operator<<(std::ostream &os, const JVMModulesList &list) {
  56         list.Dump(os);
  57         return os;
  58 }
  59
  60
  61 class BXEXPORT JVMModulesEntry
  62 {
  63 public:
  64         uint32_t        Id;
  65         uint32_t        UniqueID;
  66         std::string     Name;
  67
  68 public:
  69         void Dump(std::ostream &os) const;
  70 };
  71
  72
  73 class BXEXPORT JVMThreadsList : public std::vector<JVMThreadsEntry>
  74 {
  75 public:
  76         typedef std::vector<JVMThreadsEntry>            base_type;
  77         typedef base_type::iterator                     iterator;
  78         typedef base_type::const_iterator               const_iterator;
  79
  80 public:
  81         void Parse(const Data &entry_packet);
  82
  83         void Dump(std::ostream &os) const;
  84 };
  85 BXEXPORT inline std::ostream& operator<<(std::ostream &os, const JVMThreadsList &list) {
  86         list.Dump(os);
  87         return os;
  88 }
  89
  90
  91 class BXEXPORT JVMThreadsEntry
  92 {
  93 public:
  94         uint32_t        Id;
  95         uint8_t         Byte;
  96         uint32_t        Address;
  97         uint32_t        Unknown01;      // FIXME - perhaps should not expose
  98                                         // these to the app level, until we
  99                                         // have a name for them, since they
 100                                         // might change without notice
 101         uint32_t        Unknown02;
 102         uint32_t        Unknown03;
 103         uint32_t        Unknown04;
 104         uint32_t        Unknown05;
 105         uint32_t        Unknown06;
 106
 107 public:
 108         void Dump(std::ostream &os, int num) const;
 109 };
 110
 111
 112 namespace Mode {
 113
 114 //
 115 // JVMDebug class
 116 //
 117 /// The main interface class to the java program debugger protocol
 118 ///
 119 /// To use this class, use the following steps:
 120 ///
 121 ///     - Create a Controller object (see Controller class for more details)
 122 ///     - Create this Mode::JVMDebug object, passing in the Controller
 123 ///             object during construction
 124 ///     - Call Open() to open database socket and finish constructing.
 125 ///
 126 class BXEXPORT JVMDebug : public Mode
 127 {
 128 private:
 129         bool m_Attached;
 130
 131 protected:
 132         void ThrowJVMError(const std::string &msg, uint16_t cmd);
 133
 134         //////////////////////////////////
 135         // overrides
 136
 137         virtual void OnOpen();
 138
 139 public:
 140         JVMDebug(Controller &con);
 141         ~JVMDebug();
 142
 143         //////////////////////////////////
 144         // API
 145         void Close();
 146
 147         void Attach();
 148         void Detach();
 149
 150         // mid-attachment operations
 151         void Unknown01();       // FIXME - make these into a proper API, or
 152                                 // hide under protected:
 153         void Unknown02();
 154         void Unknown03();
 155         void Unknown04();
 156         void Unknown05();
 157         void Unknown06();
 158         void Unknown07();
 159         void Unknown08();
 160         void Unknown09();
 161         void Unknown10();
 162         void GetModulesList(JVMModulesList &mylist);
 163         void GetThreadsList(JVMThreadsList &mylist);
 164         int GetConsoleMessage(std::string &msg);
 165         bool GetStatus(int &status);
 166         bool WaitStatus(int &status);
 167         void Go();
 168         void Stop();
 169 };
 170
 171 }} // namespace Barry::Mode
 172
 173 #endif
 174