j_record.cc

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00001 ///
00002 /// \file       j_record.cc
00003 ///             Internal record manipulation functions for JDWP classes
00004 ///
00005 
00006 /*
00007     Copyright (C) 2009, Nicolas VIVIEN
00008 
00009     This program is free software; you can redistribute it and/or modify
00010     it under the terms of the GNU General Public License as published by
00011     the Free Software Foundation; either version 2 of the License, or
00012     (at your option) any later version.
00013 
00014     This program is distributed in the hope that it will be useful,
00015     but WITHOUT ANY WARRANTY; without even the implied warranty of
00016     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
00017 
00018     See the GNU General Public License in the COPYING file at the
00019     root directory of this project for more details.
00020 */
00021 
00022 #include "record-internal.h"
00023 #include "data.h"
00024 #include "protostructs.h"
00025 #include <string.h>
00026 
00027 using namespace Barry::Protocol;
00028 
00029 namespace Barry {
00030 
00031 //////////////////////////////////////////////////////////////////////////////
00032 // JDWField builder helper functions
00033 
00034 void AddJDWByte(Data &data, size_t &size, const uint8_t value)
00035 {
00036         size_t fieldsize = sizeof(uint8_t);
00037         unsigned char *pd = data.GetBuffer(size + fieldsize) + size;
00038 
00039         uint8_t *field = (uint8_t *) pd;
00040 
00041         *field = value;
00042 
00043         size += sizeof(uint8_t);
00044 }
00045 
00046 
00047 void AddJDWInt(Data &data, size_t &size, const uint32_t value)
00048 {
00049         size_t fieldsize = sizeof(uint32_t);
00050         unsigned char *pd = data.GetBuffer(size + fieldsize) + size;
00051 
00052         uint32_t *field = (uint32_t *) pd;
00053 
00054         *field = value;
00055 
00056         size += sizeof(uint32_t);
00057 }
00058 
00059 
00060 void AddJDWChar(Data &data, size_t &size, const void *buf, size_t bufsize)
00061 {
00062         size_t fieldsize = JDWP_FIELD_HEADER_SIZE + bufsize;
00063         unsigned char *pd = data.GetBuffer(size + fieldsize) + size;
00064 
00065         JDWField *field = (JDWField *) pd;
00066 
00067         field->size = be_htobl(bufsize);
00068         memcpy(field->u.raw, buf, bufsize);
00069 
00070         size += fieldsize;
00071 }
00072 
00073 
00074 void AddJDWString(Data &data, size_t &size, const std::string &str)
00075 {
00076         AddJDWChar(data, size, str.c_str(), str.size());
00077 }
00078 
00079 } // namespace Barry
00080