mirror of
https://github.com/DarkflameUniverse/DarkflameServer.git
synced 2024-11-10 18:28:21 +00:00
147 lines
2.8 KiB
C++
147 lines
2.8 KiB
C++
#include "DS_BytePool.h"
|
|
#include <assert.h>
|
|
#ifndef __APPLE__
|
|
// Use stdlib and not malloc for compatibility
|
|
#include <stdlib.h>
|
|
#endif
|
|
|
|
using namespace DataStructures;
|
|
|
|
BytePool::BytePool()
|
|
{
|
|
pool128.SetPageSize(8192*4);
|
|
pool512.SetPageSize(8192*4);
|
|
pool2048.SetPageSize(8192*4);
|
|
pool8192.SetPageSize(8192*4);
|
|
}
|
|
BytePool::~BytePool()
|
|
{
|
|
}
|
|
void BytePool::SetPageSize(int size)
|
|
{
|
|
pool128.SetPageSize(size);
|
|
pool512.SetPageSize(size);
|
|
pool2048.SetPageSize(size);
|
|
pool8192.SetPageSize(size);
|
|
}
|
|
unsigned char *BytePool::Allocate(int bytesWanted)
|
|
{
|
|
#ifdef _DISABLE_BYTE_POOL
|
|
return rakMalloc(bytesWanted);
|
|
#endif
|
|
unsigned char *out;
|
|
if (bytesWanted <= 127)
|
|
{
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex128.Lock();
|
|
#endif
|
|
out = (unsigned char*) pool128.Allocate();
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex128.Unlock();
|
|
#endif
|
|
out[0]=0;
|
|
return ((unsigned char*) out)+1;
|
|
}
|
|
if (bytesWanted <= 511)
|
|
{
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex512.Lock();
|
|
#endif
|
|
out = (unsigned char*) pool512.Allocate();
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex512.Unlock();
|
|
#endif
|
|
out[0]=1;
|
|
return ((unsigned char*) out)+1;
|
|
}
|
|
if (bytesWanted <= 2047)
|
|
{
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex2048.Lock();
|
|
#endif
|
|
out = (unsigned char*) pool2048.Allocate();
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex2048.Unlock();
|
|
#endif
|
|
out[0]=2;
|
|
return ((unsigned char*) out)+1;
|
|
}
|
|
if (bytesWanted <= 8191)
|
|
{
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex8192.Lock();
|
|
#endif
|
|
out = (unsigned char*) pool8192.Allocate();
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex8192.Unlock();
|
|
#endif
|
|
out[0]=3;
|
|
return ((unsigned char*) out)+1;
|
|
}
|
|
|
|
out = (unsigned char*) rakMalloc(bytesWanted+1);
|
|
out[0]=(unsigned char)255;
|
|
return out+1;
|
|
}
|
|
void BytePool::Release(unsigned char *data)
|
|
{
|
|
#ifdef _DISABLE_BYTE_POOL
|
|
RakFree(data);
|
|
#endif
|
|
unsigned char *realData = data-1;
|
|
switch (realData[0])
|
|
{
|
|
case 0:
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex128.Lock();
|
|
#endif
|
|
pool128.Release((unsigned char(*)[128]) realData );
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex128.Unlock();
|
|
#endif
|
|
break;
|
|
case 1:
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex512.Lock();
|
|
#endif
|
|
pool512.Release((unsigned char(*)[512]) realData );
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex512.Unlock();
|
|
#endif
|
|
break;
|
|
case 2:
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex2048.Lock();
|
|
#endif
|
|
pool2048.Release((unsigned char(*)[2048]) realData );
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex2048.Unlock();
|
|
#endif
|
|
break;
|
|
case 3:
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex8192.Lock();
|
|
#endif
|
|
pool8192.Release((unsigned char(*)[8192]) realData );
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
mutex8192.Unlock();
|
|
#endif
|
|
break;
|
|
case 255:
|
|
rakFree(realData);
|
|
break;
|
|
default:
|
|
assert(0);
|
|
break;
|
|
}
|
|
}
|
|
void BytePool::Clear(void)
|
|
{
|
|
#ifdef _THREADSAFE_BYTE_POOL
|
|
pool128.Clear();
|
|
pool512.Clear();
|
|
pool2048.Clear();
|
|
pool8192.Clear();
|
|
#endif
|
|
}
|