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Tars is a high-performance RPC framework based on name service and Tars protocol, also integrated administration platform, and implemented hosting-service via flexible schedule.

0 0 9 C++
2017-06-19 16:41:42 +08:00
/**
2017-01-18 16:19:06 +08:00
* 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 "QueryImp.h"
#include "RequestDecoder.h"
#include "QueryItem.h"
#include "servant/Application.h"
using namespace std;
//////////////////////////////////////////////////////
void QueryImp::initialize()
{
//initialize servant here:
//...
}
//////////////////////////////////////////////////////
void QueryImp::destroy()
{
//destroy servant here:
//...
}
int QueryImp::doRequest(tars::TarsCurrentPtr current, vector<char>& response)
{
const vector<char>& request = current->getRequestBuffer();
string buf((const char*)(&request[0]), request.size());
string sUid = TC_Common::tostr(g_app.genUid()) + "|";
FDLOG("inout") << "QueryImp::doRequest sUid:" << sUid << "doRequest input:" << buf << endl;
TLOGDEBUG(sUid << "QueryImp::doRequest sUid:" << sUid << "doRequest input:" << buf << endl);
doQuery(sUid, buf, false, current);
return 0;
}
int QueryImp::doQuery(const string sUid, const string &sIn, bool bTarsProtocol, tars::TarsCurrentPtr current)
{
try
{
size_t pos = sIn.rfind("}"); // find json end
string s("");
if (pos != string::npos)
{
s = sIn.substr(0, pos+1);
}
else
{
throw TC_Exception("bad query string");
}
RequestDecoder decoder(s);
TLOGDEBUG("QueryImp::doQuery"<<endl);
int ret = decoder.decode();
decoder.addUid(sUid); //传人uid供打印使用
TLOGDEBUG("QueryImp::doQuery " << sUid << "decode json ret:" << ret << "|sqlPart: " << TC_Common::tostr(decoder.getSql()) << endl);
int64_t tStart = 0;
int64_t tEnd = 0;
if(ret == RequestDecoder::TIMECHECK)
{
string sResult("");
tStart = TC_TimeProvider::getInstance()->getNowMs();
string lasttime = _proxy.getLastTime(decoder.getSql());
sResult += "lasttime:" + lasttime + "\n";
sResult += "endline\n";
tEnd = TC_TimeProvider::getInstance()->getNowMs();
current->sendResponse(sResult.c_str(), sResult.length());
FDLOG("inout") << "QueryImp::doQuery time_check sUid:" << sUid << "send result succ,size:"<< sResult.length() << "|timecost(ms):" << (tEnd-tStart) << endl;
TLOGDEBUG("QueryImp::doQuery time_check sUid:" << sUid << "send result succ,size:"<< sResult.length() << "|timecost(ms):" << (tEnd-tStart) << endl);
}
else if(ret == RequestDecoder::QUERY)
{
current->setResponse(false);
QueryItem * pItem = new QueryItem();
pItem->sUid = sUid;
pItem->current = current;
pItem->mQuery = decoder.getSql();
map<string,string> &mSqlPart = decoder.getSql();
map<string,string>::iterator it;
for(it=mSqlPart.begin();it!=mSqlPart.end();it++)
{
TLOGDEBUG("QueryImp::mysql "<<it->first<<"|"<<it->second<<endl);
}
string sGroupField = mSqlPart["groupField"];
vector<string> vGroupField = TC_Common::sepstr<string>(sGroupField, ", ");
pItem->bFlag = true;
g_app.getThreadPoolQueryDb()->put(pItem);
TLOGDEBUG("QueryImp::doQuery all dbcount." << endl);
}
else
{
TLOGERROR("QueryImp::doQuery " << sUid << "decode request failed\n" <<endl);
string sResult = "Ret:-1\ndecode request failed\n";
sResult += "endline\n";
current->sendResponse(sResult.c_str(), sResult.length());
FDLOG("inout") << "QueryImp::doQuery failed sUid:" << sUid << endl;
}
}
catch(exception &ex)
{
TLOGERROR("QueryImp::doQuery exception:" << ex.what() << endl);
string sResult = "Ret:-1\n" + string(ex.what()) + "\nendline\n";
current->sendResponse(sResult.c_str(), sResult.length());
FDLOG("inout") << "QueryImp::doQuery exception sUid:" << sUid << endl;
}
return 0;
}