src/j_record.cc

   1 ///
   2 /// \file       j_record.cc
   3 ///             Internal record manipulation functions for JDWP classes
   4 ///
   5
   6 /*
   7     Copyright (C) 2009, Nicolas VIVIEN
   8
   9     This program is free software; you can redistribute it and/or modify
  10     it under the terms of the GNU General Public License as published by
  11     the Free Software Foundation; either version 2 of the License, or
  12     (at your option) any later version.
  13
  14     This program is distributed in the hope that it will be useful,
  15     but WITHOUT ANY WARRANTY; without even the implied warranty of
  16     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  17
  18     See the GNU General Public License in the COPYING file at the
  19     root directory of this project for more details.
  20 */
  21
  22 #include "record-internal.h"
  23 #include "data.h"
  24 #include "protostructs.h"
  25 #include <string.h>
  26
  27 using namespace Barry::Protocol;
  28
  29 namespace Barry {
  30
  31 //////////////////////////////////////////////////////////////////////////////
  32 // JDWField builder helper functions
  33
  34 void AddJDWByte(Data &data, size_t &size, const uint8_t value)
  35 {
  36         size_t fieldsize = sizeof(uint8_t);
  37         unsigned char *pd = data.GetBuffer(size + fieldsize) + size;
  38
  39         uint8_t *field = (uint8_t *) pd;
  40
  41         *field = value;
  42
  43         size += sizeof(uint8_t);
  44 }
  45
  46
  47 void AddJDWInt(Data &data, size_t &size, const uint32_t value)
  48 {
  49         size_t fieldsize = sizeof(uint32_t);
  50         unsigned char *pd = data.GetBuffer(size + fieldsize) + size;
  51
  52         uint32_t *field = (uint32_t *) pd;
  53
  54         *field = value;
  55
  56         size += sizeof(uint32_t);
  57 }
  58
  59
  60 void AddJDWChar(Data &data, size_t &size, const void *buf, size_t bufsize)
  61 {
  62         size_t fieldsize = JDWP_FIELD_HEADER_SIZE + bufsize;
  63         unsigned char *pd = data.GetBuffer(size + fieldsize) + size;
  64
  65         JDWField *field = (JDWField *) pd;
  66
  67         field->size = be_htobl(bufsize);
  68         memcpy(field->u.raw, buf, bufsize);
  69
  70         size += fieldsize;
  71 }
  72
  73
  74 void AddJDWString(Data &data, size_t &size, const std::string &str)
  75 {
  76         AddJDWChar(data, size, str.c_str(), str.size());
  77 }
  78
  79 } // namespace Barry
  80