int main(int arg, char** argv)
{
/* Test SectionReader
* -------------------
* To run this code :
* cd storage/ndb/src/kernel/vm
* make testSectionReader
* ./testSectionReader
*
* Will print "OK" in success case and return 0
*/
g_sectionSegmentPool.setSize(1024);
printf("g_sectionSegmentPool size is %u\n",
g_sectionSegmentPool.getSize());
const Uint32 Iterations= 2000;
const Uint32 Sections= 5;
Uint32 sizes[ Sections ];
Uint32 iVals[ Sections ];
for (Uint32 t=0; t < Iterations; t++)
{
for (Uint32 i=0; i<Sections; i++)
{
Uint32 available= g_sectionSegmentPool.getNoOfFree();
sizes[i] = available ?
myRandom48(SectionSegment::DataLength *
available)
: 0;
//if (0 == (sizes[i] % 60))
// printf("Iteration %u, section %u, allocating %u words\n",
// t, i, sizes[i]);
if (t % 100 == 0)
if (i==0)
printf("\nIteration %u", t);
if (sizes[i] > 0)
{
iVals[i]= createSection(&g_sectionSegmentPool, sizes[i]);
VERIFY(testSR(iVals[i], &g_sectionSegmentPool, sizes[i]) == 0);
}
else
iVals[i]= RNIL;
}
for (Uint32 i=0; i < Sections; i++)
{
if (sizes[i] > 0)
freeSection(&g_sectionSegmentPool, iVals[i]);
}
}
printf("\nOK\n");
return 0;
}
void
test(Uint32 sz, Uint32 loops, Uint32 iter){
ndbout_c("SimplePropertiesSection sz=%d loops=%d iter=%d", sz, loops, iter);
while(loops-- > 0){
Uint32 size = sz*((10 + (rand() % (10 * sz)) + sz - 1)/sz);
Buffer buf(size);
SectionSegmentPool thePool; thePool.setSize(size);
for(Uint32 i = 0; i<iter; i++){
Uint32 c = 0 + (rand() % (2));
const Uint32 alloc = 1 + (rand() % (size - 1));
SegmentedSectionPtr dst;
if(0)
ndbout_c("size: %d loops: %d iter: %d c=%d alloc=%d",
size, loops, i, c, alloc);
switch(c){
case 0:{
for(Uint32 i = 0; i<alloc; i++)
buf.buffer[i] = i; //rand();
buf.m_len = alloc;
SimplePropertiesSectionWriter w(thePool);
for(Uint32 i = 0; i<alloc; i++){
w.putWord(buf.buffer[i]);
}
w.getPtr(dst);
break;
}
case 1:{
for(Uint32 i = 0; i<alloc; i++)
buf.buffer[i] = i; //rand();
buf.m_len = alloc;
SimplePropertiesSectionWriter w(thePool);
Uint32 i = 0;
while(i < alloc){
Uint32 sz = rand() % (alloc - i + 1);
w.putWords(&buf.buffer[i], sz);
i += sz;
}
w.getPtr(dst);
break;
}
case 2:{
break;
}
}
SimplePropertiesSectionReader r(dst, thePool);
compare(r, buf);
release(thePool, dst);
require(thePool.getSize() == thePool.getNoOfFree());
}
}
}
