bool BackupRestore::translate_frm(NdbDictionary::Table *table)
{
uchar *pack_data, *data, *new_pack_data;
char *new_data;
uint new_data_len;
size_t data_len, new_pack_len;
uint no_parts, extra_growth;
DBUG_ENTER("translate_frm");
pack_data = (uchar*) table->getFrmData();
no_parts = table->getFragmentCount();
/*
Add max 4 characters per partition to handle worst case
of mapping from single digit to 5-digit number.
Fairly future-proof, ok up to 99999 node groups.
*/
extra_growth = no_parts * 4;
if (unpackfrm(&data, &data_len, pack_data))
{
DBUG_RETURN(TRUE);
}
if ((new_data = (char*) my_malloc(data_len + extra_growth, MYF(0))))
{
DBUG_RETURN(TRUE);
}
if (map_in_frm(new_data, (const char*)data, data_len, &new_data_len))
{
my_free(new_data);
DBUG_RETURN(TRUE);
}
if (packfrm((uchar*) new_data, new_data_len,
&new_pack_data, &new_pack_len))
{
my_free(new_data);
DBUG_RETURN(TRUE);
}
table->setFrm(new_pack_data, new_pack_len);
DBUG_RETURN(FALSE);
}
static int
dofile(const char* file)
{
struct stat st;
size_t size = 0;
uchar* data = 0;
int fd = -1;
uchar* pack_data = 0;
size_t pack_len = 0;
char* namebuf = 0;
int ret = -1;
do
{
if (stat(file, &st) == -1)
{
fprintf(stderr, "%s: stat: %s\n", file, strerror(errno));
break;
}
size = st.st_size;
if ((data = (uchar*)malloc(size)) == 0)
{
fprintf(stderr, "%s: malloc %u: %s\n", file, (uint)size, strerror(errno));
break;
}
if ((fd = open(file, O_RDONLY)) == -1)
{
fprintf(stderr, "%s: open: %s\n", file, strerror(errno));
break;
}
ssize_t size2;
if ((size2 = read(fd, data, (unsigned)size)) == -1)
{
fprintf(stderr, "%s: read: %s\n", file, strerror(errno));
break;
}
if ((size_t)size2 != size)
{
fprintf(stderr, "%s: short read: %u != %u\n", file, (uint)size2, (uint)size);
break;
}
int error;
if ((error = packfrm(data, size, &pack_data, &pack_len)) != 0)
{
fprintf(stderr, "%s: packfrm: error %d\n", file, error);
break;
}
namebuf = strdup(file);
if (namebuf == 0)
{
fprintf(stderr, "%s: strdup: %s\n", file, strerror(errno));
break;
}
char* name = namebuf;
if (strchr(name, '/') != 0)
name = strrchr(name, '/') + 1;
char* dot;
if ((dot = strchr(name, '.')) != 0)
*dot = 0;
printf("\n/*\n");
printf(" name: %s\n", name);
printf(" orig: %u\n", (uint)size);
printf(" pack: %u\n", (uint)pack_len);
printf("*/\n\n");
dodump(name, pack_data, (uint)pack_len);
ret = 0;
}
while (0);
if (namebuf != 0)
free(namebuf);
if (pack_data != 0)
my_free(pack_data); // Free data returned from packfrm with my_free
if (fd != -1)
(void)close(fd);
if (data != 0)
free(data);
return ret;
}
