136 lines
3.3 KiB
C++
136 lines
3.3 KiB
C++
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/**
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* Tencent is pleased to support the open source community by making MSEC available.
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*
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* Copyright (C) 2016 THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the GNU General Public License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License. You may
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* obtain a copy of the License at
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*
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* https://opensource.org/licenses/GPL-2.0
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*
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* Unless required by applicable law or agreed to in writing, software distributed under the
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* License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific language governing permissions
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* and limitations under the License.
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*/
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/**
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* @file mt_mbuf_pool.cpp
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* @time 20130924
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**/
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#include "micro_thread.h"
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#include "mt_mbuf_pool.h"
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using namespace std;
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using namespace NS_MICRO_THREAD;
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MsgBuffPool* MsgBuffPool::_instance = NULL;
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MsgBuffPool* MsgBuffPool::Instance (void)
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{
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if (NULL == _instance)
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{
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_instance = new MsgBuffPool;
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}
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return _instance;
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}
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void MsgBuffPool::Destroy()
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{
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if( _instance != NULL )
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{
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delete _instance;
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_instance = NULL;
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}
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}
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MsgBuffPool::MsgBuffPool(int max_free)
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{
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_max_free = max_free;
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_hash_map = new HashList(10000);
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}
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MsgBuffPool::~MsgBuffPool()
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{
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if (!_hash_map) {
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return;
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}
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MsgBufMap* msg_map = NULL;
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HashKey* hash_item = _hash_map->HashGetFirst();
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while (hash_item)
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{
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_hash_map->HashRemove(hash_item);
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msg_map = dynamic_cast<MsgBufMap*>(hash_item);
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delete msg_map;
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hash_item = _hash_map->HashGetFirst();
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}
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delete _hash_map;
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_hash_map = NULL;
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}
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MtMsgBuf* MsgBuffPool::GetMsgBuf(int max_size)
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{
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if (!_hash_map) {
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MTLOG_ERROR("MsgBuffPoll not init! hash %p,", _hash_map);
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return NULL;
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}
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MsgBufMap* msg_map = NULL;
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MsgBufMap msg_key(max_size);
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HashKey* hash_item = _hash_map->HashFind(&msg_key);
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if (hash_item) {
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msg_map = (MsgBufMap*)hash_item->GetDataPtr();
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if (msg_map) {
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return msg_map->GetMsgBuf();
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} else {
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MTLOG_ERROR("Hash item: %p, msg_map: %p impossible, clean it", hash_item, msg_map);
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_hash_map->HashRemove(hash_item);
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delete hash_item;
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return NULL;
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}
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} else {
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msg_map = new MsgBufMap(max_size, _max_free);
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if (!msg_map) {
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MTLOG_ERROR("maybe no more memory, failed. size: %d", max_size);
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return NULL;
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}
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_hash_map->HashInsert(msg_map);
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return msg_map->GetMsgBuf();
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}
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}
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void MsgBuffPool::FreeMsgBuf(MtMsgBuf* msg_buf)
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{
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if (!_hash_map || !msg_buf) {
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MTLOG_ERROR("MsgBuffPoll not init or input error! hash %p, msg_buf %p", _hash_map, msg_buf);
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delete msg_buf;
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return;
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}
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msg_buf->Reset();
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MsgBufMap* msg_map = NULL;
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MsgBufMap msg_key(msg_buf->GetMaxLen());
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HashKey* hash_item = _hash_map->HashFind(&msg_key);
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if (hash_item) {
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msg_map = (MsgBufMap*)hash_item->GetDataPtr();
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}
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if (!hash_item || !msg_map) {
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MTLOG_ERROR("MsgBuffPoll find no queue, maybe error: %d", msg_buf->GetMaxLen());
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delete msg_buf;
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return;
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}
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msg_map->FreeMsgBuf(msg_buf);
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return;
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}
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