diff options
Diffstat (limited to 'src/shared/Config/dotconfpp/mempool.cpp')
-rw-r--r-- | src/shared/Config/dotconfpp/mempool.cpp | 100 |
1 files changed, 0 insertions, 100 deletions
diff --git a/src/shared/Config/dotconfpp/mempool.cpp b/src/shared/Config/dotconfpp/mempool.cpp deleted file mode 100644 index a23e33808bd..00000000000 --- a/src/shared/Config/dotconfpp/mempool.cpp +++ /dev/null @@ -1,100 +0,0 @@ - - -#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 ((char*)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); -} - |