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Copy pathLoadDbThread.cpp
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129 lines (104 loc) · 3.25 KB
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/**
* 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 "LoadDbThread.h"
#include "NotifyServer.h"
LoadDbThread::LoadDbThread()
: _interval(30)
, _terminate(false)
{
}
LoadDbThread::~LoadDbThread()
{
if(isAlive())
{
terminate();
getThreadControl().join();
}
}
void LoadDbThread::terminate()
{
_terminate = true;
TC_ThreadLock::Lock lock(*this);
notifyAll();
}
void LoadDbThread::init()
{
try
{
map<string, string> mDbConf = g_pconf->getDomainMap("/tars/db");
assert(!mDbConf.empty());
TC_DBConf tcDBConf;
tcDBConf.loadFromMap(mDbConf);
_mysql.init(tcDBConf);
TLOGDEBUG("LoadDbThread::init init mysql conf succ." << endl);
}
catch(exception &ex)
{
TLOGERROR("LoadDbThread::init ex:" << ex.what() << endl);
FDLOG("EX") << "LoadDbThread::init ex:" << ex.what() << endl;
}
}
void LoadDbThread::run()
{
size_t iLastTime = 0;
size_t iNow = TNOW;
while (!_terminate)
{
if(iNow - iLastTime >= _interval)
{
loadData();
iLastTime = iNow;
}
{
TC_ThreadLock::Lock lock(*this);
timedWait(1000);
}
}
}
void LoadDbThread::loadData()
{
try
{
TC_Mysql::MysqlData mysqlData;
map<string, string> &mTmep = _data.getWriter();
mTmep.clear();
size_t iOffset(0);
do
{
string sSql("select application, set_name, set_area, set_group, server_name, node_name from t_server_conf limit 1000 offset ");
sSql = sSql + TC_Common::tostr<size_t>(iOffset) +";";
mysqlData = _mysql.queryRecord(sSql);
for (size_t i = 0; i < mysqlData.size(); i++)
{
string sValue = mysqlData[i]["set_name"] +"."+ mysqlData[i]["set_area"]+ "." + mysqlData[i]["set_group"];
if (mysqlData[i]["set_name"].empty())
{
continue;
}
string sKey = mysqlData[i]["application"] + "." + mysqlData[i]["server_name"] + mysqlData[i]["node_name"];
mTmep.insert(map<string, string>::value_type(sKey, sValue));
}
iOffset += mysqlData.size();
} while (iOffset % 1000 == 0);
_data.swap();
TLOGDEBUG("LoadDbThread::loadData load data finish, _mSetApp size:" << mTmep.size() << endl);
}
catch (exception &ex)
{
TLOGERROR("LoadDbThread::loadData exception:" << ex.what() << endl);
FDLOG("EX") << "LoadDbThread::loadData exception:" << ex.what() << endl;
}
}