Port to CMake, get rid of os_int.h.

[stg.git] / stglibs / dotconfpp.lib / mempool.cpp

diff --git a/stglibs/dotconfpp.lib/mempool.cpp b/stglibs/dotconfpp.lib/mempool.cpp
deleted file mode 100644 (file)
index 3469418..0000000
--- a/stglibs/dotconfpp.lib/mempool.cpp
+++ /dev/null
@@ -1,116 +0,0 @@
-/*  Copyright (C) 2003 Aleksey Krivoshey <voodoo@foss.kharkov.ua>
-*
-*   This program is free software; you can redistribute it and/or modify
-*   it under the terms of the GNU General Public License as published by
-*   the Free Software Foundation; either version 2 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 General Public License for more details.
-*
-*   You should have received a copy of the GNU General Public License
-*   along with this program; if not, write to the Free Software
-*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
-*/
-
-
-#include "mempool.h"
-
-AsyncDNSMemPool::PoolChunk::PoolChunk(size_t _size):
-    pool(NULL), pos(0), size(_size)
-{
-    pool = ::malloc(size);
-}
-
-AsyncDNSMemPool::PoolChunk::~PoolChunk()
-{
-    ::free(pool);
-}
-
-AsyncDNSMemPool::AsyncDNSMemPool(size_t _defaultSize):
-    chunks(NULL), chunksCount(0), defaultSize(_defaultSize),
-    poolUsage(0), poolUsageCounter(0)
-{
-}
-
-AsyncDNSMemPool::~AsyncDNSMemPool()
-{    
-    for(size_t i = 0; i<chunksCount; i++){
-        delete chunks[i];
-    }
-    ::free(chunks);
-}
-
-int AsyncDNSMemPool::initialize()
-{
-    chunksCount = 1;
-    chunks = (PoolChunk**)::malloc(sizeof(PoolChunk*));
-    if(chunks == NULL)
-        return -1;
-
-    chunks[chunksCount-1] = new PoolChunk(defaultSize);
-
-    return 0;
-}
-
-void AsyncDNSMemPool::addNewChunk(size_t size)
-{
-    chunksCount++;
-    chunks = (PoolChunk**)::realloc(chunks, chunksCount*sizeof(PoolChunk*));
-    if(size <= defaultSize)
-        chunks[chunksCount-1] = new PoolChunk(defaultSize);
-    else
-        chunks[chunksCount-1] = new PoolChunk(size);
-}
-
-void * AsyncDNSMemPool::alloc(size_t size)
-{
-    PoolChunk * chunk = NULL;
-    for(size_t i = 0; i<chunksCount; i++){
-        chunk = chunks[i];
-        if((chunk->size - chunk->pos) >= size){
-            chunk->pos += size;
-            return ((u_int8_t*)chunk->pool) + chunk->pos - size;
-        }
-    }
-    addNewChunk(size);
-    chunks[chunksCount-1]->pos = size;
-    return chunks[chunksCount-1]->pool;
-}
-
-void AsyncDNSMemPool::free()
-{    
-    size_t pu = 0;
-    size_t psz = 0;
-    poolUsageCounter++;
-
-    for(size_t i = 0; i<chunksCount; i++){
-        pu += chunks[i]->pos;
-        psz += chunks[i]->size;
-        chunks[i]->pos = 0;
-    }
-    poolUsage=(poolUsage>pu)?poolUsage:pu;
-
-    if(poolUsageCounter >= 10 && chunksCount > 1){
-        psz -= chunks[chunksCount-1]->size;
-        if(poolUsage < psz){
-            chunksCount--;
-            delete chunks[chunksCount];
-        }
-        poolUsage = 0;
-        poolUsageCounter = 0;
-    }
-}
-
-void * AsyncDNSMemPool::calloc(size_t size)
-{
-    return ::memset(this->alloc(size), 0, size);
-}
-
-char * AsyncDNSMemPool::strdup(const char *str)
-{
-    return ::strcpy((char*)this->alloc(strlen(str)+1), str);
-}
-