TarsCloud_TarsCpp/servant/libservant/AppCache.cpp
2018-09-05 11:26:21 +08:00

152 lines
3.8 KiB
C++

/**
* Tencent is pleased to support the open source community by making Tars available.
*
* Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
*
* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
* in compliance with the License. You may obtain a copy of the License at
*
* https://opensource.org/licenses/BSD-3-Clause
*
* Unless required by applicable law or agreed to in writing, software distributed
* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
* CONDITIONS OF ANY KIND, either express or implied. See the License for the
* specific language governing permissions and limitations under the License.
*/
#include "servant/AppCache.h"
#include "servant/Communicator.h"
namespace tars
{
//////////////////////////////////////////////////////////////////////
// 缓存
void AppCache::setCacheInfo(const string &sFile,int32_t iSynInterval)
{
try
{
TC_LockT<TC_ThreadMutex> lock(*this);
string sPath = TC_File::extractFilePath(sFile);
TC_File::makeDirRecursive(sPath);
_file = sFile;
_synInterval = iSynInterval;
if (TC_File::isFileExistEx(_file))
{
_fileCache.parseFile(_file);
}
//如果是旧版本数据(无版本号)直接清理
if (_fileCache.get(string(APPCACHE_ROOT_PATH)+"<tarsversion>","") == "")
{
TC_Config tFileCache;
_fileCache = tFileCache;
}
}
catch(exception &e)
{
TLOGERROR("[TARS][AppCache setCacheInfo ex:" << e.what() << "]" << endl);
}
}
string AppCache::get(const string & sName, const string sDomain)
{
if(_file.empty())
{
return "";
}
try
{
TC_LockT<TC_ThreadMutex> lock(*this);
string sValue = _fileCache.get(string(APPCACHE_ROOT_PATH) + "/" + sDomain + "<" + sName + ">");
return sValue;
}
catch(exception &e)
{
TLOGERROR("[TARS][AppCache get sName:" << sName << ",ex:" << e.what() << "]" << endl);
}
return "";
}
map<string, string> AppCache::getDomainMap(const string &path)
{
map<string, string> m;
if(_file.empty())
{
return m;
}
try
{
TC_LockT<TC_ThreadMutex> lock(*this);
m = _fileCache.getDomainMap(string(APPCACHE_ROOT_PATH) + "/" + path);
}
catch(exception &e)
{
TLOGERROR("[TARS][AppCache getDomainMap path:" << path << ",ex:" << e.what() << "]" << endl);
}
return m;
}
int AppCache::set(const string &sName,const string &sValue,const string sDomain)
{
if(_file.empty())
{
return -1;
}
try
{
TC_LockT<TC_ThreadMutex> lock(*this);
map<string, string> m;
m[sName] = sValue;
TC_Config tConf;
tConf.insertDomainParam(string(APPCACHE_ROOT_PATH)+"/"+sDomain,m,true);
if(_lastSynTime == 0) //第一次写数据 打印tarsversion
{
m.clear();
m["tarsversion"] = ClientConfig::TarsVersion;
tConf.insertDomainParam(string(APPCACHE_ROOT_PATH),m,true);
}
{
m.clear();
m["modify"] = TC_Common::now2str("%Y-%m-%d %H:%M:%S");
tConf.insertDomainParam(string(APPCACHE_ROOT_PATH),m,true);
}
_fileCache.joinConfig(tConf,true);
time_t now = TNOW;
if(_lastSynTime + _synInterval/1000 > now)
{
return 0;
}
_lastSynTime = now;
TC_File::save2file(_file,_fileCache.tostr());
return 0;
}
catch(exception &e)
{
TLOGERROR("[TARS][AppCache set name:" << sName << ",value:" << sValue << ",ex:" << e.what() << "]" << endl);
}
return -1;
}
//////////////////////////////////////////////////////////////////////
}