khanat-opennel-code/code/nel/tools/memory/memlog/memlog.cpp
2014-09-13 10:30:58 -07:00

114 lines
2.5 KiB
C++

// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
// Copyright (C) 2010 Winch Gate Property Limited
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as
// published by the Free Software Foundation, either version 3 of the
// License, or (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
#include <nel/misc/types_nl.h>
#include <nel/misc/common.h>
#include <map>
using namespace std;
class CLogEntry
{
public:
uint32 Start;
uint32 End;
uint16 Line;
std::string Category;
std::string Filename;
};
bool readString (string &str, FILE *file)
{
int c;
while ((c = fgetc (file)))
{
if (c == EOF)
return false;
str += c;
}
return true;
}
int main(int argc, char* argv[])
{
if (argc>1)
{
char buffer[512];
while (fgets(buffer, 512, stdin))
{
uint32 address;
if (strcmp (buffer, "help") == 0)
{
printf ("Commands available:\n");
printf ("help | Show this help\n");
printf ("address [memoryaddress] | Show history of this address\n");
printf ("\n");
printf ("memoryaddress must be like this: 8b125df\n");
}
else if (sscanf (buffer, "address %x", &address) == 1)
{
printf ("0x%x history:\n", address);
// Read the memory log
FILE *file = fopen (argv[1], "rb");
if (file)
{
uint32 size;
if (fread (&size, sizeof(uint32), 1, file) != 1)
break;
#ifdef NL_BIG_ENDIAN
NLMISC_BSWAP32(size);
#endif
while (1)
{
uint32 start;
if (fread (&start, sizeof(uint32), 1, file) != 1)
break;
#ifdef NL_BIG_ENDIAN
NLMISC_BSWAP32(start);
#endif
string category;
if (!readString (category, file))
break;
if (start <= address && address < (start+size))
printf ("0x%x (%d bytes) %s\n", start, size, category.c_str ());
}
fclose (file);
printf ("done\n");
}
else
{
fprintf (stderr, "Can't open the file %s for reading\n", argv[1]);
}
}
else
{
printf ("Command unknown, try help\n");
}
}
}
else
{
printf ("memlog [filename.memlog]\n");
}
return 0;
}