aboutsummaryrefslogtreecommitdiff
path: root/src/shared/Config/dotconfpp/mempool.cpp
diff options
context:
space:
mode:
authormaximius <none@none>2009-10-17 15:51:44 -0700
committermaximius <none@none>2009-10-17 15:51:44 -0700
commite585187b248f48b3c6e9247b49fa07c6565d65e5 (patch)
tree637c5b7ddacf41040bef4ea4f75a97da64c6a9bc /src/shared/Config/dotconfpp/mempool.cpp
parent26b5e033ffde3d161382fc9addbfa99738379641 (diff)
*Backed out changeset 3be01fb200a5
--HG-- branch : trunk
Diffstat (limited to 'src/shared/Config/dotconfpp/mempool.cpp')
-rw-r--r--src/shared/Config/dotconfpp/mempool.cpp15
1 files changed, 15 insertions, 0 deletions
diff --git a/src/shared/Config/dotconfpp/mempool.cpp b/src/shared/Config/dotconfpp/mempool.cpp
index 019cfe3cb86..cec8e8d119f 100644
--- a/src/shared/Config/dotconfpp/mempool.cpp
+++ b/src/shared/Config/dotconfpp/mempool.cpp
@@ -1,20 +1,25 @@
+
#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){
@@ -22,15 +27,19 @@ AsyncDNSMemPool::~AsyncDNSMemPool()
}
::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;
@@ -40,6 +49,7 @@ void AsyncDNSMemPool::addNewChunk(size_t size)
else
chunks[chunksCount-1] = new PoolChunk(size);
}
+
void * AsyncDNSMemPool::alloc(size_t size)
{
PoolChunk * chunk = NULL;
@@ -54,17 +64,20 @@ void * AsyncDNSMemPool::alloc(size_t 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){
@@ -75,10 +88,12 @@ void AsyncDNSMemPool::free()
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);