mirror of
https://gitee.com/TarsCloud/TarsCpp.git
synced 2024-12-22 22:16:38 +08:00
1981 lines
58 KiB
C++
1981 lines
58 KiB
C++
/**
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* Tencent is pleased to support the open source community by making Tars available.
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*
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* Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
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*
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* Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
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* in compliance with the License. You may obtain a copy of the License at
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*
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* https://opensource.org/licenses/BSD-3-Clause
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*
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* Unless required by applicable law or agreed to in writing, software distributed
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* under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
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* CONDITIONS OF ANY KIND, either express or implied. See the License for the
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* specific language governing permissions and limitations under the License.
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*/
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#include "servant/EndpointManager.h"
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#include "servant/ObjectProxy.h"
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#include "servant/TarsLogger.h"
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#include "servant/AppCache.h"
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#include "servant/Application.h"
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#include "servant/StatReport.h"
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namespace tars
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{
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/////////////////////////////////////////////////////////////////////////////
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QueryEpBase::QueryEpBase(Communicator * pComm, bool bFirstNetThread,bool bInterfaceReq)
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: _communicator(pComm)
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, _firstNetThread(bFirstNetThread)
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, _interfaceReq(bInterfaceReq)
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, _direct(false)
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, _objName("")
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, _invokeSetId("")
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, _locator("")
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, _valid(false)
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, _weightType(E_LOOP)
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, _requestRegistry(false)
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, _requestTimeout(0)
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, _timeoutInterval(5*1000)
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, _refreshTime(0)
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, _refreshInterval(60*1000)
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, _activeEmptyInterval(10*1000)
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, _failInterval(2*1000)
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, _manyFailInterval(30*1000)
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, _failTimesLimit(3)
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, _failTimes(0)
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{
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setNoDelete(true);
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}
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void QueryEpBase::callback_findObjectById4All(tars::Int32 ret, const vector<tars::EndpointF>& activeEp, const vector<tars::EndpointF>& inactiveEp)
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{
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TLOGTARS("[TARS][callback_findObjectById4All _objName:" << _objName << "|ret:" << ret
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<< ",active:" << activeEp.size()
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<< ",inactive:" << inactiveEp.size() << "]" << endl);
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doEndpoints(activeEp,inactiveEp,ret);
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}
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void QueryEpBase::callback_findObjectById4All_exception(tars::Int32 ret)
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{
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TLOGERROR("[TARS][callback_findObjectById4All_exception _objName:" << _objName << "|ret:" << ret << "]" << endl);
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doEndpointsExp(ret);
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}
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void QueryEpBase::callback_findObjectById4Any(tars::Int32 ret, const vector<tars::EndpointF>& activeEp, const vector<tars::EndpointF>& inactiveEp)
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{
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TLOGTARS("[TARS][callback_findObjectById4Any _objName:" << _objName << "|ret:" << ret
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<< ",active:" << activeEp.size()
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<< ",inactive:" << inactiveEp.size() << "]" << endl);
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doEndpoints(activeEp,inactiveEp,ret);
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}
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void QueryEpBase::callback_findObjectById4Any_exception(tars::Int32 ret)
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{
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TLOGERROR("[TARS][callback_findObjectById4Any_exception _objName:" << _objName << "|ret:" << ret << "]" << endl);
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doEndpointsExp(ret);
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}
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void QueryEpBase::callback_findObjectByIdInSameGroup(tars::Int32 ret, const vector<tars::EndpointF>& activeEp, const vector<tars::EndpointF>& inactiveEp)
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{
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TLOGTARS("[TARS][callback_findObjectByIdInSameGroup _objName:" << _objName << "|ret:"<<ret
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<< ",active:" << activeEp.size()
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<< ",inactive:" << inactiveEp.size() << "]" << endl);
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doEndpoints(activeEp,inactiveEp,ret);
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}
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void QueryEpBase::callback_findObjectByIdInSameGroup_exception(tars::Int32 ret)
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{
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TLOGERROR("[TARS][callback_findObjectByIdInSameGroup_exception _objName:" << _objName << "|ret:" << ret << "]" << endl);
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doEndpointsExp(ret);
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}
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void QueryEpBase::callback_findObjectByIdInSameSet( Int32 ret, const vector<tars::EndpointF> &activeEp, const vector<tars::EndpointF> & inactiveEp)
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{
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TLOGTARS("[TARS][callback_findObjectByIdInSameSet _objName:" << _objName << "|ret:" << ret
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<< ",active:" << activeEp.size()
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<< ",inactive:" << inactiveEp.size() << "]" << endl);
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doEndpoints(activeEp,inactiveEp,ret);
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}
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void QueryEpBase::callback_findObjectByIdInSameSet_exception( Int32 ret)
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{
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TLOGERROR("[TARS][callback_findObjectByIdInSameSet_exception _objName:" << _objName << "|ret:" << ret << "]" << endl);
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doEndpointsExp(ret);
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}
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void QueryEpBase::callback_findObjectByIdInSameStation( Int32 ret, const vector<tars::EndpointF> &activeEp, const vector<tars::EndpointF> &inactiveEp)
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{
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TLOGTARS("[TARS][callback_findObjectByIdInSameStation _objName:" << _objName << "|ret:" << ret
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<< ",active:" << activeEp.size()
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<< ",inactive:" << inactiveEp.size() << "]" << endl);
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doEndpoints(activeEp,inactiveEp,ret);
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}
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void QueryEpBase::callback_findObjectByIdInSameStation_exception( Int32 ret)
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{
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TLOGERROR("[TARS][callback_findObjectByIdInSameStation_exception _objName:" << _objName << "|ret:" << ret << "]" << endl);
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doEndpointsExp(ret);
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}
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int QueryEpBase::setLocatorPrx(QueryFPrx prx)
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{
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_queryFPrx = prx;
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return 0;
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}
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bool QueryEpBase::init(const string & sObjName,const string & sLocator,const string& setName)
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{
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TLOGTARS("[TARS][QueryEpBase::init sObjName:" << sObjName << ",sLocator:" << sLocator << ",setName:" << setName << "]" << endl);
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_locator = sLocator;
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_invokeSetId = setName;
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setObjName(sObjName);
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return true;
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}
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void QueryEpBase::setObjName(const string & sObjName)
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{
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string sEndpoints("");
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string sInactiveEndpoints("");
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string::size_type pos = sObjName.find_first_of('@');
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if (pos != string::npos)
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{
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//[直接连接]指定服务的IP和端口列表
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_objName = sObjName.substr(0,pos);
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sEndpoints = sObjName.substr(pos + 1);
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_direct = true;
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_valid = true;
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}
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else
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{
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//[间接连接]通过registry查询服务端的IP和端口列表
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_direct = false;
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_valid = false;
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_objName = sObjName;
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if(_locator.find_first_not_of('@') == string::npos)
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{
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TLOGERROR("[TARS][QueryEpBase::setObjName locator is not valid,_locator:" << _locator << "]" << endl);
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throw TarsRegistryException("locator is not valid,_locator:" + _locator);
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}
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_queryFPrx = _communicator->stringToProxy<QueryFPrx>(_locator);
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string sLocatorKey = _locator;
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//如果启用set，则获取按set分组的缓存
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if(ClientConfig::SetOpen)
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{
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sLocatorKey += "_" + ClientConfig::SetDivision;
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}
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string objName = _objName + string(_invokeSetId.empty() ? "" : ":") + _invokeSetId;
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//[间接连接]第一次使用cache，如果是接口级请求则不从缓存读取
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if(!_interfaceReq)
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{
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sEndpoints = AppCache::getInstance()->get(objName,sLocatorKey);
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sInactiveEndpoints = AppCache::getInstance()->get("inactive_" + objName, sLocatorKey);
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}
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}
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setEndpoints(sEndpoints, _activeEndpoints);
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setEndpoints(sInactiveEndpoints, _inactiveEndpoints);
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if(_activeEndpoints.size() > 0)
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{
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_valid = true;
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}
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if(_activeEndpoints.size() > 0 || _inactiveEndpoints.size() > 0)
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{
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notifyEndpoints(_activeEndpoints, _inactiveEndpoints, true);
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}
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}
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vector<string> QueryEpBase::sepEndpoint(const string& sEndpoints)
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{
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vector<string> vEndpoints;
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bool flag = false;
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string::size_type startPos = 0;
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string::size_type sepPos = 0;
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for(string::size_type pos = 0; pos < sEndpoints.size(); pos++)
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{
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if(sEndpoints[pos] == ':' && !flag )
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{
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sepPos = pos;
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flag = true;
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}
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else if(flag)
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{
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if(sEndpoints[pos] == ' ')
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{
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continue;
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}
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if(TC_Port::strncasecmp("tcp", (sEndpoints.c_str() + pos), 3) == 0 || TC_Port::strncasecmp("udp", (sEndpoints.c_str() + pos), 3) == 0)
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{
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string ep = TC_Common::trim(string(sEndpoints.c_str() + startPos, sepPos - startPos));
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if(!ep.empty()) {
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vEndpoints.push_back(ep);
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}
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startPos = pos;
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}
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flag = false;
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}
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}
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string ep = sEndpoints.substr(startPos);
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if(!ep.empty()) {
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vEndpoints.push_back(ep);
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}
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// vEndpoints.push_back(sEndpoints.substr(startPos));
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return vEndpoints;
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}
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void QueryEpBase::setEndpoints(const string & sEndpoints, set<EndpointInfo> & setEndpoints)
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{
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if(sEndpoints == "")
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{
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return ;
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}
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bool bSameWeightType = true;
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bool bFirstWeightType = true;
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unsigned int iWeightType = 0;
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// vector<string> vEndpoints = TC_Common::sepstr<string>(sEndpoints, ":", false, isRealEndpoint);
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vector<string> vEndpoints = sepEndpoint(sEndpoints);
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for (size_t i = 0; i < vEndpoints.size(); ++i)
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{
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try
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{
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TC_Endpoint ep(vEndpoints[i]);
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EndpointInfo::EType type;
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if (ep.isSSL())
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type = EndpointInfo::SSL;
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else if (ep.isTcp())
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type = EndpointInfo::TCP;
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else
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type = EndpointInfo::UDP;
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string sSetDivision;
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//解析set分组信息
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{
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string sep = " -s ";
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size_t pos = vEndpoints[i].rfind(sep);
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if (pos != string::npos)
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{
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sSetDivision = TC_Common::trim(vEndpoints[i].substr(pos+sep.size()));
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size_t endPos = sSetDivision.find(" ");
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if (endPos != string::npos)
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{
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sSetDivision = sSetDivision.substr(0, endPos);
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}
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}
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}
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if(bFirstWeightType)
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{
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bFirstWeightType = false;
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iWeightType = ep.getWeightType();
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}
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else
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{
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if(ep.getWeightType() != iWeightType)
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{
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bSameWeightType = false;
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}
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}
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EndpointInfo epi(ep.getHost(), ep.getPort(), type, ep.getGrid(), sSetDivision, ep.getQos(), ep.getWeight(), ep.getWeightType(), ep.getAuthType());
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setEndpoints.insert(epi);
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}
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catch (...)
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{
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TLOGERROR("[TARS][QueryEpBase::setEndpoints parse error,objname:" << _objName << ",endpoint:" << vEndpoints[i] << "]" << endl);
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}
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}
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if(bSameWeightType)
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{
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if(iWeightType == 1)
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{
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_weightType = E_STATIC_WEIGHT;
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}
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else
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{
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_weightType = E_LOOP;
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}
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}
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else
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{
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_weightType = E_LOOP;
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}
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}
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void QueryEpBase::refreshReg(GetEndpointType type, const string & sName)
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{
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if(_direct)
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{
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return;
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}
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int64_t iNow = TNOWMS;
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//正在请求状态 而且请求超时了，或者第一次
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if(_requestRegistry && _requestTimeout < iNow)
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{
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doEndpointsExp(0);
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}
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//如果是间接连接，通过registry定时查询服务列表
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//正在请求状态 而且请求超时了
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//非请求状态 到了下一个刷新时间了
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if( (!_requestRegistry) && (_refreshTime <= iNow))
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{
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_requestRegistry = true;
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//一定时间不回调就算超时了
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_requestTimeout = iNow + _timeoutInterval;
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TLOGTARS("[TARS][QueryEpBase::refresh,"<<_objName<<"]"<<endl);
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//判断是同步调用还是异步调用
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//内部请求主控都是异步请求
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//接口请求主控第一次是同步请求
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bool bSync = (!_valid && _interfaceReq);
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try
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{
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if(bSync)
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{
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vector<tars::EndpointF> activeEp;
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vector<tars::EndpointF> inactiveEp;
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int iRet = 0;
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switch(type)
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{
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case E_ALL:
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{
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iRet = _queryFPrx->findObjectById4Any(_objName,activeEp,inactiveEp);
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break;
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}
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case E_STATION:
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{
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iRet = _queryFPrx->findObjectByIdInSameStation(_objName,sName,activeEp,inactiveEp);
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}
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case E_SET:
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{
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iRet = _queryFPrx->findObjectByIdInSameSet(_objName,sName,activeEp,inactiveEp);
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break;
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}
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case E_DEFAULT:
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default:
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{
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if(ClientConfig::SetOpen || !_invokeSetId.empty())
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{
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//指定set调用时，指定set的优先级最高
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string setId = _invokeSetId.empty()?ClientConfig::SetDivision:_invokeSetId;
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iRet = _queryFPrx->findObjectByIdInSameSet(_objName,setId,activeEp,inactiveEp);
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}
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else
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{
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iRet = _queryFPrx->findObjectByIdInSameGroup(_objName,activeEp,inactiveEp);
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}
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break;
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}
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}
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doEndpoints(activeEp, inactiveEp, iRet, true);
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}
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else
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{
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switch(type)
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{
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case E_ALL:
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{
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_queryFPrx->async_findObjectById4Any(this,_objName);
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break;
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}
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case E_STATION:
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{
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_queryFPrx->async_findObjectByIdInSameStation(this,_objName,sName);
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break;
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}
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case E_SET:
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{
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_queryFPrx->async_findObjectByIdInSameSet(this,_objName,sName);
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break;
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}
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case E_DEFAULT:
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default:
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{
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if(ClientConfig::SetOpen || !_invokeSetId.empty())
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{
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//指定set调用时，指定set的优先级最高
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string setId = _invokeSetId.empty()?ClientConfig::SetDivision:_invokeSetId;
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_queryFPrx->async_findObjectByIdInSameSet(this,_objName,setId);
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}
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else
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{
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_queryFPrx->async_findObjectByIdInSameGroup(this,_objName);
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}
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break;
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}
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}//end switch
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}
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}
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catch(TC_Exception & ex)
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{
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TLOGERROR("[TARS]QueryEpBase::refreshReg obj:"<<_objName<<"exception:"<<ex.what()<<endl);
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doEndpointsExp(TARSSERVERUNKNOWNERR);
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}
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catch(...)
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{
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TLOGERROR("[TARS]QueryEpBase::refreshReg obj:"<<_objName<<"unknown exception:"<<endl);
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doEndpointsExp(TARSSERVERUNKNOWNERR);
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}
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}
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}
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void QueryEpBase::doEndpoints(const vector<tars::EndpointF>& activeEp, const vector<tars::EndpointF>& inactiveEp, int iRet, bool bSync)
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{
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if(iRet != 0)
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{
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doEndpointsExp(iRet);
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return ;
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}
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_failTimes = 0;
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_requestRegistry = false;
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int64_t iNow = TNOWMS;
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//有返回成功的结点，按照正常的频率
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//如果返回空列表或者返回失败 2s去刷新一次
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//接口请求主控的方式 不管是不是空都要去刷新
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if(activeEp.empty() && (!_interfaceReq) )
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{
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_refreshTime = iNow + _activeEmptyInterval;
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//如果registry返回Active服务列表为空，不做更新
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TLOGERROR("[TARS][QueryEpBase::doEndpoints, callback activeEps is empty,objname:"<< _objName << "]" << endl);
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return;
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}
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else
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{
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_refreshTime = iNow + _refreshInterval;
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}
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bool bNeedNotify = false;
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bool bSameWeightType = true;
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bool bFirstWeightType = true;
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int iWeightType = 0;
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set<string> sActiveEndpoints;
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set<string> sInactiveEndpoints;
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set<EndpointInfo> activeEps;
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set<EndpointInfo> inactiveEps;
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//生成active set 用于比较
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for (uint32_t i = 0; i < activeEp.size(); ++i)
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{
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if(bFirstWeightType)
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{
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bFirstWeightType = false;
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iWeightType = activeEp[i].weightType;
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}
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else
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{
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if(activeEp[i].weightType != iWeightType)
|
||
{
|
||
bSameWeightType = false;
|
||
}
|
||
}
|
||
|
||
|
||
// tars istcp意思和这里枚举值对应
|
||
EndpointInfo::EType type = EndpointInfo::EType(activeEp[i].istcp);
|
||
EndpointInfo ep(activeEp[i].host, activeEp[i].port, type, activeEp[i].grid, activeEp[i].setId, activeEp[i].qos, activeEp[i].weight, activeEp[i].weightType, activeEp[i].authType);
|
||
|
||
activeEps.insert(ep);
|
||
}
|
||
|
||
//生成inactive set 用于比较
|
||
for (uint32_t i = 0; i < inactiveEp.size(); ++i)
|
||
{
|
||
// tars istcp意思和这里枚举值对应
|
||
EndpointInfo::EType type = EndpointInfo::EType(inactiveEp[i].istcp);
|
||
EndpointInfo ep(inactiveEp[i].host, inactiveEp[i].port, type, inactiveEp[i].grid, inactiveEp[i].setId, inactiveEp[i].qos, inactiveEp[i].weight, inactiveEp[i].weightType, inactiveEp[i].authType);
|
||
|
||
inactiveEps.insert(ep);
|
||
}
|
||
|
||
if(bSameWeightType)
|
||
{
|
||
if(iWeightType == 1)
|
||
{
|
||
_weightType = E_STATIC_WEIGHT;
|
||
}
|
||
else
|
||
{
|
||
_weightType = E_LOOP;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
_weightType = E_LOOP;
|
||
}
|
||
|
||
if(activeEps != _activeEndpoints)
|
||
{
|
||
bNeedNotify = true;
|
||
_activeEndpoints = activeEps;
|
||
|
||
if(_firstNetThread)
|
||
{
|
||
setEndPointToCache(false);
|
||
}
|
||
}
|
||
|
||
if(inactiveEps != _inactiveEndpoints)
|
||
{
|
||
bNeedNotify = true;
|
||
_inactiveEndpoints = inactiveEps;
|
||
|
||
if(_firstNetThread)
|
||
{
|
||
setEndPointToCache(true);
|
||
}
|
||
}
|
||
|
||
if(bNeedNotify)
|
||
{
|
||
notifyEndpoints(_activeEndpoints, _inactiveEndpoints, bSync);
|
||
}
|
||
|
||
if(!_valid)
|
||
{
|
||
_valid = true;
|
||
doNotify();
|
||
}
|
||
}
|
||
|
||
void QueryEpBase::doEndpointsExp(int iRet)
|
||
{
|
||
_failTimes++;
|
||
_requestRegistry = false;
|
||
|
||
int64_t iNow = TNOWMS;
|
||
|
||
//频率控制获取主控失败 2秒钟再更新
|
||
_refreshTime = iNow + _failInterval;
|
||
|
||
//获取主控连续失败3次就等30s再更新一次
|
||
//连续失败 强制设成数据是有效的
|
||
if(_failTimes > _failTimesLimit)
|
||
{
|
||
if(!_valid)
|
||
{
|
||
_valid = true;
|
||
doNotify();
|
||
}
|
||
_refreshTime = iNow + _manyFailInterval;
|
||
}
|
||
}
|
||
|
||
void QueryEpBase::setEndPointToCache(bool bInactive)
|
||
{
|
||
//如果是接口级请求则不缓存到文件
|
||
if(_interfaceReq)
|
||
{
|
||
return;
|
||
}
|
||
|
||
string sEndpoints;
|
||
|
||
set<EndpointInfo> doEndpoints;
|
||
if(!bInactive)
|
||
{
|
||
doEndpoints = _activeEndpoints;
|
||
}
|
||
else
|
||
{
|
||
doEndpoints = _inactiveEndpoints;
|
||
}
|
||
|
||
set<EndpointInfo>::iterator iter;
|
||
iter = doEndpoints.begin();
|
||
|
||
for (; iter != doEndpoints.end(); ++iter)
|
||
{
|
||
//这里的超时时间 只是对服务端有效。这里的值无效。所以默认用3000了
|
||
TC_Endpoint ep(iter->host(), iter->port(), 3000, iter->type(), iter->grid(), iter->qos(), iter->weight(), iter->getWeightType());
|
||
ep.setAuthType(iter->authType());
|
||
|
||
if (!sEndpoints.empty())
|
||
{
|
||
sEndpoints += ":";
|
||
}
|
||
|
||
sEndpoints += ep.toString();
|
||
|
||
if (!iter->setDivision().empty())
|
||
{
|
||
sEndpoints += " -s " + iter->setDivision();
|
||
}
|
||
}
|
||
|
||
//如果启用set，则按set分组保存
|
||
string sLocatorKey = _locator;
|
||
if(ClientConfig::SetOpen)
|
||
{
|
||
sLocatorKey += "_" + ClientConfig::SetDivision;
|
||
}
|
||
string objName = _objName + string(_invokeSetId.empty() ? "" : ":") + _invokeSetId;
|
||
if(bInactive)
|
||
{
|
||
AppCache::getInstance()->set("inactive_"+objName,sEndpoints,sLocatorKey);
|
||
}
|
||
else
|
||
{
|
||
AppCache::getInstance()->set(objName,sEndpoints,sLocatorKey);
|
||
}
|
||
|
||
TLOGTARS("[TARS][setEndPointToCache,obj:" << _objName << ",invokeSetId:" << _invokeSetId << ",endpoint:" << sEndpoints << "]" << endl);
|
||
}
|
||
|
||
/////////////////////////////////////////////////////////////////////////////
|
||
EndpointManager::EndpointManager(ObjectProxy * pObjectProxy, Communicator* pComm, const string & sObjName, bool bFirstNetThread,const string& setName)
|
||
: QueryEpBase(pComm, bFirstNetThread, false)
|
||
,_objectProxy(pObjectProxy)
|
||
,_lastRoundPosition(0)
|
||
,_update(true)
|
||
,_updateWeightInterval(60)
|
||
,_lastSWeightPosition(0)
|
||
,_consistentHashWeight(E_TC_CONHASH_KETAMAHASH)
|
||
,_consistentHash(E_TC_CONHASH_KETAMAHASH)
|
||
{
|
||
setNetThreadProcess(true);
|
||
init(sObjName,_communicator->getProperty("locator"),setName);
|
||
}
|
||
|
||
EndpointManager::~EndpointManager()
|
||
{
|
||
map<string,AdapterProxy*>::iterator iterAdapter;
|
||
for(iterAdapter = _allProxys.begin();iterAdapter != _allProxys.end();iterAdapter++)
|
||
{
|
||
if(iterAdapter->second)
|
||
{
|
||
delete iterAdapter->second;
|
||
iterAdapter->second = NULL;
|
||
}
|
||
}
|
||
}
|
||
|
||
void EndpointManager::notifyEndpoints(const set<EndpointInfo> & active, const set<EndpointInfo> & inactive, bool bSync)
|
||
{
|
||
set<EndpointInfo>::const_iterator iter;
|
||
map<string,AdapterProxy*>::iterator iterAdapter;
|
||
pair<map<string,AdapterProxy*>::iterator,bool> result;
|
||
|
||
_activeProxys.clear();
|
||
_regProxys.clear();
|
||
|
||
//更新active
|
||
iter = active.begin();
|
||
for(;iter != active.end();++iter)
|
||
{
|
||
if(!_direct && _weightType == E_STATIC_WEIGHT && iter->weight() <= 0)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
iterAdapter = _allProxys.find(iter->desc());
|
||
if(iterAdapter == _allProxys.end())
|
||
{
|
||
AdapterProxy* ap = new AdapterProxy(_objectProxy, *iter, _communicator);
|
||
|
||
result = _allProxys.insert(make_pair(iter->desc(),ap));
|
||
assert(result.second);
|
||
|
||
iterAdapter = result.first;
|
||
|
||
_vAllProxys.push_back(ap);
|
||
}
|
||
|
||
//该节点在主控的状态为active
|
||
iterAdapter->second->setActiveInReg(true);
|
||
|
||
_activeProxys.push_back(iterAdapter->second);
|
||
|
||
_regProxys.insert(make_pair(iter->desc(),iterAdapter->second));
|
||
|
||
//设置该节点的静态权重值
|
||
iterAdapter->second->setWeight(iter->weight());
|
||
}
|
||
|
||
//更新inactive
|
||
iter = inactive.begin();
|
||
for(;iter != inactive.end();++iter)
|
||
{
|
||
if(!_direct && _weightType == E_STATIC_WEIGHT && iter->weight() <= 0)
|
||
{
|
||
continue;
|
||
}
|
||
|
||
iterAdapter = _allProxys.find(iter->desc());
|
||
if(iterAdapter == _allProxys.end())
|
||
{
|
||
AdapterProxy* ap = new AdapterProxy(_objectProxy, *iter, _communicator);
|
||
|
||
result = _allProxys.insert(make_pair(iter->desc(),ap));
|
||
assert(result.second);
|
||
|
||
iterAdapter = result.first;
|
||
|
||
_vAllProxys.push_back(ap);
|
||
}
|
||
|
||
//该节点在主控的状态为inactive
|
||
iterAdapter->second->setActiveInReg(false);
|
||
|
||
_regProxys.insert(make_pair(iter->desc(),iterAdapter->second));
|
||
|
||
//设置该节点的静态权重值
|
||
iterAdapter->second->setWeight(iter->weight());
|
||
}
|
||
|
||
//_vRegProxys 需要按顺序来 重排
|
||
_vRegProxys.clear();
|
||
iterAdapter = _regProxys.begin();
|
||
for(;iterAdapter != _regProxys.end();++iterAdapter)
|
||
{
|
||
_vRegProxys.push_back(iterAdapter->second);
|
||
}
|
||
|
||
_update = true;
|
||
}
|
||
|
||
void EndpointManager::doNotify()
|
||
{
|
||
_objectProxy->doInvoke();
|
||
}
|
||
|
||
bool EndpointManager::selectAdapterProxy(ReqMessage * msg,AdapterProxy * & pAdapterProxy)
|
||
{
|
||
|
||
pAdapterProxy = NULL;
|
||
//刷新主控
|
||
refreshReg(E_DEFAULT,"");
|
||
|
||
//无效的数据 返回true
|
||
if(!_valid)
|
||
{
|
||
return true;
|
||
}
|
||
|
||
//如果有hash，则先使用hash策略
|
||
if (msg->bHash)
|
||
{
|
||
pAdapterProxy = getHashProxy(msg->iHashCode, msg->bConHash);
|
||
|
||
return false;
|
||
}
|
||
|
||
if(_weightType == E_STATIC_WEIGHT)
|
||
{
|
||
//权重模式
|
||
bool bStaticWeighted = false;
|
||
if(_weightType == E_STATIC_WEIGHT || msg->eType == ReqMessage::ONE_WAY)
|
||
bStaticWeighted = true;
|
||
|
||
pAdapterProxy = getWeightedProxy(bStaticWeighted);
|
||
}
|
||
else
|
||
{
|
||
//普通轮询模式
|
||
pAdapterProxy = getNextValidProxy();
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
AdapterProxy * EndpointManager::getNextValidProxy()
|
||
{
|
||
if (_activeProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getNextValidProxy activeEndpoints is empty][obj:"<<_objName<<"]" << endl);
|
||
return NULL;
|
||
}
|
||
|
||
vector<AdapterProxy*> conn;
|
||
|
||
for(size_t i=0;i<_activeProxys.size();i++)
|
||
{
|
||
++_lastRoundPosition;
|
||
if(_lastRoundPosition >= _activeProxys.size())
|
||
_lastRoundPosition = 0;
|
||
|
||
if(_activeProxys[_lastRoundPosition]->checkActive())
|
||
{
|
||
return _activeProxys[_lastRoundPosition];
|
||
}
|
||
|
||
if(!_activeProxys[_lastRoundPosition]->isConnTimeout() &&
|
||
!_activeProxys[_lastRoundPosition]->isConnExc())
|
||
conn.push_back(_activeProxys[_lastRoundPosition]);
|
||
}
|
||
|
||
if(conn.size() > 0)
|
||
{
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy * adapterProxy = conn[((uint32_t)rand() % conn.size())];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeProxys[((uint32_t)rand() % _activeProxys.size())];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
|
||
AdapterProxy* EndpointManager::getHashProxy(int64_t hashCode, bool bConsistentHash)
|
||
{
|
||
if(_weightType == E_STATIC_WEIGHT)
|
||
{
|
||
if(bConsistentHash)
|
||
{
|
||
return getConHashProxyForWeight(hashCode, true);
|
||
}
|
||
else
|
||
{
|
||
return getHashProxyForWeight(hashCode, true, _hashStaticRouterCache);
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if(bConsistentHash)
|
||
{
|
||
return getConHashProxyForNormal(hashCode);
|
||
}
|
||
else
|
||
{
|
||
return getHashProxyForNormal(hashCode);
|
||
}
|
||
}
|
||
}
|
||
|
||
AdapterProxy* EndpointManager::getHashProxyForWeight(int64_t hashCode, bool bStatic, vector<size_t> &vRouterCache)
|
||
{
|
||
if(_vRegProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getHashProxyForWeight _vRegProxys is empty], bStatic:" << bStatic << endl);
|
||
return NULL;
|
||
}
|
||
|
||
if(checkHashStaticWeightChange(bStatic))
|
||
{
|
||
int64_t iBegin = TNOWMS;
|
||
|
||
updateHashProxyWeighted(bStatic);
|
||
|
||
int64_t iEnd = TNOWMS;
|
||
|
||
TLOGTARS("[TARS][EndpointManager::getHashProxyForWeight update bStatic:" << bStatic << "|_objName:" << _objName << "|timecost(ms):" << (iEnd - iBegin) << endl);
|
||
}
|
||
|
||
if(vRouterCache.size() > 0)
|
||
{
|
||
size_t hash = ((int64_t)hashCode) % vRouterCache.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= vRouterCache.size())
|
||
{
|
||
hash = hash % vRouterCache.size();
|
||
}
|
||
|
||
size_t iIndex = vRouterCache[hash];
|
||
|
||
if(iIndex >= _vRegProxys.size())
|
||
{
|
||
iIndex = iIndex % _vRegProxys.size();
|
||
}
|
||
|
||
//被hash到的节点在主控是active的才走在流程
|
||
if (_vRegProxys[iIndex]->isActiveInReg() && _vRegProxys[iIndex]->checkActive())
|
||
{
|
||
return _vRegProxys[iIndex];
|
||
}
|
||
else
|
||
{
|
||
if(_activeProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getHashProxyForWeight _activeEndpoints is empty], bStatic:" << bStatic << endl);
|
||
return NULL;
|
||
}
|
||
|
||
//在active节点中再次hash
|
||
vector<AdapterProxy*> thisHash = _activeProxys;
|
||
vector<AdapterProxy*> conn;
|
||
|
||
do
|
||
{
|
||
hash = ((int64_t)hashCode) % thisHash.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= thisHash.size())
|
||
{
|
||
hash = hash % thisHash.size();
|
||
}
|
||
|
||
if (thisHash[hash]->checkActive())
|
||
{
|
||
return thisHash[hash];
|
||
}
|
||
if(!thisHash[hash]->isConnTimeout() &&
|
||
!thisHash[hash]->isConnExc())
|
||
{
|
||
conn.push_back(thisHash[hash]);
|
||
}
|
||
thisHash.erase(thisHash.begin() + hash);
|
||
}
|
||
while(!thisHash.empty());
|
||
|
||
if(conn.size() > 0)
|
||
{
|
||
hash = ((int64_t)hashCode) % conn.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= conn.size())
|
||
{
|
||
hash = hash % conn.size();
|
||
}
|
||
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy *adapterProxy = conn[hash];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeProxys[((uint32_t)rand() % _activeProxys.size())];
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
return getHashProxyForNormal(hashCode);
|
||
}
|
||
|
||
|
||
AdapterProxy* EndpointManager::getConHashProxyForWeight(int64_t hashCode, bool bStatic)
|
||
{
|
||
if(_vRegProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getConHashProxyForWeight _vRegProxys is empty], bStatic:" << bStatic << endl);
|
||
return NULL;
|
||
}
|
||
|
||
if(checkConHashChange(bStatic, _lastConHashWeightProxys))
|
||
{
|
||
int64_t iBegin = TNOWMS;
|
||
|
||
updateConHashProxyWeighted(bStatic, _lastConHashWeightProxys, _consistentHashWeight);
|
||
|
||
int64_t iEnd = TNOWMS;
|
||
|
||
TLOGTARS("[TARS][EndpointManager::getConHashProxyForWeight update bStatic:" << bStatic << "|_objName:" << _objName << "|timecost(ms):" << (iEnd - iBegin) << endl);
|
||
}
|
||
|
||
if(_consistentHashWeight.size() > 0)
|
||
{
|
||
unsigned int iIndex = 0;
|
||
|
||
// 通过一致性hash取到对应的节点
|
||
_consistentHashWeight.getIndex(hashCode, iIndex);
|
||
|
||
if(iIndex >= _vRegProxys.size())
|
||
{
|
||
iIndex = iIndex % _vRegProxys.size();
|
||
}
|
||
|
||
//被hash到的节点在主控是active的才走在流程
|
||
if (_vRegProxys[iIndex]->isActiveInReg() && _vRegProxys[iIndex]->checkActive())
|
||
{
|
||
return _vRegProxys[iIndex];
|
||
}
|
||
else
|
||
{
|
||
if(_activeProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getConHashProxyForWeight _activeEndpoints is empty], bStatic:" << bStatic << endl);
|
||
return NULL;
|
||
}
|
||
|
||
//在active节点中再次hash
|
||
vector<AdapterProxy*> thisHash = _activeProxys;
|
||
vector<AdapterProxy*> conn;
|
||
size_t hash = 0;
|
||
|
||
do
|
||
{
|
||
hash = ((int64_t)hashCode) % thisHash.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= thisHash.size())
|
||
{
|
||
hash = hash % thisHash.size();
|
||
}
|
||
|
||
if (thisHash[hash]->checkActive())
|
||
{
|
||
return thisHash[hash];
|
||
}
|
||
if(!thisHash[hash]->isConnTimeout() && !thisHash[hash]->isConnExc())
|
||
{
|
||
conn.push_back(thisHash[hash]);
|
||
}
|
||
thisHash.erase(thisHash.begin() + hash);
|
||
}
|
||
while(!thisHash.empty());
|
||
|
||
if(conn.size() > 0)
|
||
{
|
||
hash = ((int64_t)hashCode) % conn.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= conn.size())
|
||
{
|
||
hash = hash % conn.size();
|
||
}
|
||
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy *adapterProxy = conn[hash];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeProxys[((uint32_t)rand() % _activeProxys.size())];
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
return getHashProxyForNormal(hashCode);
|
||
}
|
||
|
||
bool EndpointManager::checkHashStaticWeightChange(bool bStatic)
|
||
{
|
||
if(bStatic)
|
||
{
|
||
if(_lastHashStaticProxys.size() != _vRegProxys.size())
|
||
{
|
||
return true;
|
||
}
|
||
|
||
for(size_t i = 0; i < _vRegProxys.size(); i++)
|
||
{
|
||
if(_lastHashStaticProxys[i]->getWeight() != _vRegProxys[i]->getWeight() || _lastHashStaticProxys[i]->endpoint().desc() != _vRegProxys[i]->endpoint().desc())
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
bool EndpointManager::checkConHashChange(bool bStatic, const vector<AdapterProxy*> &vLastConHashProxys)
|
||
{
|
||
if(vLastConHashProxys.size() != _vRegProxys.size())
|
||
{
|
||
return true;
|
||
}
|
||
|
||
for(size_t i = 0; i < _vRegProxys.size(); i++)
|
||
{
|
||
if(bStatic)
|
||
{
|
||
if(vLastConHashProxys[i]->getWeight() != _vRegProxys[i]->getWeight() || vLastConHashProxys[i]->endpoint().desc() != _vRegProxys[i]->endpoint().desc())
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
else
|
||
{
|
||
if(vLastConHashProxys[i]->endpoint().desc() != _vRegProxys[i]->endpoint().desc())
|
||
{
|
||
return true;
|
||
}
|
||
}
|
||
}
|
||
|
||
return false;
|
||
}
|
||
|
||
void EndpointManager::updateHashProxyWeighted(bool bStatic)
|
||
{
|
||
if(_vRegProxys.size() <= 0)
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::updateHashProxyWeighted _vRegProxys is empty], bStatic:" << bStatic << endl);
|
||
return ;
|
||
}
|
||
|
||
if(bStatic)
|
||
{
|
||
_lastHashStaticProxys = _vRegProxys;
|
||
_hashStaticRouterCache.clear();
|
||
}
|
||
|
||
vector<AdapterProxy*> vRegProxys;
|
||
vector<size_t> vIndex;
|
||
for(size_t i = 0; i < _vRegProxys.size(); ++i)
|
||
{
|
||
if(_vRegProxys[i]->getWeight() > 0)
|
||
{
|
||
vRegProxys.push_back(_vRegProxys[i]);
|
||
vIndex.push_back(i);
|
||
}
|
||
}
|
||
|
||
if(vRegProxys.size() <= 0)
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::updateHashProxyWeighted vRegProxys is empty], bStatic:" << bStatic << endl);
|
||
return ;
|
||
}
|
||
|
||
size_t iHashStaticWeightSize = vRegProxys.size();
|
||
map<size_t, int> mIdToWeight;
|
||
multimap<int, size_t> mWeightToId;
|
||
size_t iMaxR = 0;
|
||
size_t iMaxRouterR = 0;
|
||
|
||
size_t iMaxWeight = vRegProxys[0]->getWeight();
|
||
size_t iMinWeight = vRegProxys[0]->getWeight();
|
||
size_t iTempWeight = 0;
|
||
|
||
for(size_t i = 1;i < iHashStaticWeightSize; i++)
|
||
{
|
||
iTempWeight = vRegProxys[i]->getWeight();
|
||
|
||
if(iTempWeight > iMaxWeight)
|
||
{
|
||
iMaxWeight = iTempWeight;
|
||
}
|
||
|
||
if(iTempWeight < iMinWeight)
|
||
{
|
||
iMinWeight = iTempWeight;
|
||
}
|
||
}
|
||
|
||
if(iMinWeight > 0)
|
||
{
|
||
iMaxR = iMaxWeight / iMinWeight;
|
||
|
||
if(iMaxR < iMinWeightLimit)
|
||
iMaxR = iMinWeightLimit;
|
||
|
||
if(iMaxR > iMaxWeightLimit)
|
||
iMaxR = iMaxWeightLimit;
|
||
}
|
||
else
|
||
{
|
||
iMaxR = 1;
|
||
iMaxWeight = 1;
|
||
}
|
||
|
||
for(size_t i = 0;i < iHashStaticWeightSize; i++)
|
||
{
|
||
int iWeight = (vRegProxys[i]->getWeight() * iMaxR) / iMaxWeight;
|
||
|
||
if(iWeight > 0)
|
||
{
|
||
iMaxRouterR += iWeight;
|
||
|
||
mIdToWeight.insert(map<size_t, int>::value_type(vIndex[i], iWeight));
|
||
|
||
mWeightToId.insert(make_pair(iWeight, vIndex[i]));
|
||
}
|
||
else
|
||
{
|
||
if(bStatic)
|
||
{
|
||
_hashStaticRouterCache.push_back(vIndex[i]);
|
||
}
|
||
}
|
||
|
||
TLOGTARS("[TARS]EndpointManager::updateHashProxyWeighted bStatic:" << bStatic << "|_objName:" << _objName << "|endpoint:" << vRegProxys[i]->endpoint().desc() << "|iWeight:" << vRegProxys[i]->getWeight() << "|iWeightR:" << iWeight << "|iIndex:" << vIndex[i] << endl);
|
||
}
|
||
|
||
for(size_t i = 0; i < iMaxRouterR; i++)
|
||
{
|
||
bool bFirst = true;
|
||
multimap<int, size_t> mulTemp;
|
||
multimap<int, size_t>::reverse_iterator mIter = mWeightToId.rbegin();
|
||
while(mIter != mWeightToId.rend())
|
||
{
|
||
if(bFirst)
|
||
{
|
||
bFirst = false;
|
||
if(bStatic)
|
||
{
|
||
_hashStaticRouterCache.push_back(mIter->second);
|
||
}
|
||
|
||
mulTemp.insert(make_pair((mIter->first - iMaxRouterR + mIdToWeight[mIter->second]), mIter->second));
|
||
}
|
||
else
|
||
{
|
||
mulTemp.insert(make_pair((mIter->first + mIdToWeight[mIter->second]), mIter->second));
|
||
}
|
||
|
||
mIter++;
|
||
}
|
||
|
||
mWeightToId.clear();
|
||
mWeightToId.swap(mulTemp);
|
||
}
|
||
}
|
||
|
||
void EndpointManager::updateConHashProxyWeighted(bool bStatic, vector<AdapterProxy*> &vLastConHashProxys, TC_ConsistentHashNew &conHash)
|
||
{
|
||
if(_vRegProxys.size() <= 0)
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::updateHashProxyWeighted _vRegProxys is empty], bStatic:" << bStatic << endl);
|
||
return ;
|
||
}
|
||
|
||
vLastConHashProxys = _vRegProxys;
|
||
conHash.clear();
|
||
|
||
for(size_t i = 0; i < _vRegProxys.size(); ++i)
|
||
{
|
||
int iWeight = (bStatic ? (_vRegProxys[i]->getWeight()) : 100);
|
||
if(iWeight > 0)
|
||
{
|
||
iWeight = iWeight / 4;
|
||
if(iWeight <= 0)
|
||
{
|
||
iWeight = 1;
|
||
}
|
||
conHash.addNode(_vRegProxys[i]->endpoint().desc(), i, iWeight);
|
||
}
|
||
}
|
||
|
||
conHash.sortNode();
|
||
}
|
||
|
||
AdapterProxy* EndpointManager::getHashProxyForNormal(int64_t hashCode)
|
||
{
|
||
if(_vRegProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getHashProxyForNormal _vRegProxys is empty]" << endl);
|
||
return NULL;
|
||
}
|
||
|
||
// 1 _vRegProxys从客户端启动之后，就不会再改变，除非有节点增加
|
||
// 2 如果有增加节点，则_vRegProxys顺序会重新排序,之前的hash会改变
|
||
// 3 节点下线后，需要下次启动客户端后,_vRegProxys内容才会生效
|
||
size_t hash = ((int64_t)hashCode) % _vRegProxys.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= _vRegProxys.size())
|
||
{
|
||
hash = hash % _vRegProxys.size();
|
||
}
|
||
|
||
//被hash到的节点在主控是active的才走在流程
|
||
if (_vRegProxys[hash]->isActiveInReg() && _vRegProxys[hash]->checkActive())
|
||
{
|
||
return _vRegProxys[hash];
|
||
}
|
||
else
|
||
{
|
||
if(_activeProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getHashProxyForNormal _activeEndpoints is empty]" << endl);
|
||
return NULL;
|
||
}
|
||
|
||
//在active节点中再次hash
|
||
vector<AdapterProxy*> thisHash = _activeProxys;
|
||
vector<AdapterProxy*> conn;
|
||
|
||
do
|
||
{
|
||
hash = ((int64_t)hashCode) % thisHash.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= thisHash.size())
|
||
{
|
||
hash = hash % thisHash.size();
|
||
}
|
||
|
||
if (thisHash[hash]->checkActive())
|
||
{
|
||
return thisHash[hash];
|
||
}
|
||
if(!thisHash[hash]->isConnTimeout() &&
|
||
!thisHash[hash]->isConnExc())
|
||
{
|
||
conn.push_back(thisHash[hash]);
|
||
}
|
||
thisHash.erase(thisHash.begin() + hash);
|
||
}
|
||
while(!thisHash.empty());
|
||
|
||
if(conn.size() > 0)
|
||
{
|
||
hash = ((int64_t)hashCode) % conn.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= conn.size())
|
||
{
|
||
hash = hash % conn.size();
|
||
}
|
||
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy *adapterProxy = conn[hash];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeProxys[((uint32_t)rand() % _activeProxys.size())];
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
AdapterProxy* EndpointManager::getConHashProxyForNormal(int64_t hashCode)
|
||
{
|
||
if(_vRegProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getConHashProxyForNormal _vRegProxys is empty]" << endl);
|
||
return NULL;
|
||
}
|
||
|
||
if(checkConHashChange(false, _lastConHashProxys))
|
||
{
|
||
int64_t iBegin = TNOWMS;
|
||
|
||
updateConHashProxyWeighted(false, _lastConHashProxys, _consistentHash);
|
||
|
||
int64_t iEnd = TNOWMS;
|
||
|
||
TLOGTARS("[TARS][EndpointManager::getConHashProxyForNormal update _objName:" << _objName << "|timecost(ms):" << (iEnd - iBegin) << endl);
|
||
}
|
||
|
||
if(_consistentHash.size() > 0)
|
||
{
|
||
unsigned int iIndex = 0;
|
||
|
||
// 通过一致性hash取到对应的节点
|
||
_consistentHash.getIndex(hashCode, iIndex);
|
||
|
||
if(iIndex >= _vRegProxys.size())
|
||
{
|
||
iIndex = iIndex % _vRegProxys.size();
|
||
}
|
||
|
||
//被hash到的节点在主控是active的才走在流程
|
||
if (_vRegProxys[iIndex]->isActiveInReg() && _vRegProxys[iIndex]->checkActive())
|
||
{
|
||
return _vRegProxys[iIndex];
|
||
}
|
||
else
|
||
{
|
||
if(_activeProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getConHashProxyForNormal _activeEndpoints is empty]" << endl);
|
||
return NULL;
|
||
}
|
||
|
||
//在active节点中再次hash
|
||
vector<AdapterProxy*> thisHash = _activeProxys;
|
||
vector<AdapterProxy*> conn;
|
||
size_t hash = 0;
|
||
|
||
do
|
||
{
|
||
hash = ((int64_t)hashCode) % thisHash.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= thisHash.size())
|
||
{
|
||
hash = hash % thisHash.size();
|
||
}
|
||
|
||
if (thisHash[hash]->checkActive())
|
||
{
|
||
return thisHash[hash];
|
||
}
|
||
if(!thisHash[hash]->isConnTimeout() &&
|
||
!thisHash[hash]->isConnExc())
|
||
{
|
||
conn.push_back(thisHash[hash]);
|
||
}
|
||
thisHash.erase(thisHash.begin() + hash);
|
||
}
|
||
while(!thisHash.empty());
|
||
|
||
if(conn.size() > 0)
|
||
{
|
||
hash = ((int64_t)hashCode) % conn.size();
|
||
|
||
//这里做判断的原因是：32位系统下，如果hashCode为负值，hash经过上面的计算会是一个超大值，导致越界
|
||
if(hash >= conn.size())
|
||
{
|
||
hash = hash % conn.size();
|
||
}
|
||
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy *adapterProxy = conn[hash];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeProxys[((uint32_t)rand() % _activeProxys.size())];
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
return getHashProxyForNormal(hashCode);
|
||
}
|
||
|
||
AdapterProxy* EndpointManager::getWeightedProxy(bool bStaticWeighted)
|
||
{
|
||
return getWeightedForNormal(bStaticWeighted);
|
||
}
|
||
|
||
AdapterProxy* EndpointManager::getWeightedForNormal(bool bStaticWeighted)
|
||
{
|
||
if (_activeProxys.empty())
|
||
{
|
||
TLOGERROR("[TARS][EndpointManager::getWeightedForNormal activeEndpoints is empty][obj:"<<_objName<<"]" << endl);
|
||
return NULL;
|
||
}
|
||
|
||
int64_t iNow = TNOW;
|
||
if(_lastBuildWeightTime <= iNow)
|
||
{
|
||
updateProxyWeighted();
|
||
|
||
if(!_first)
|
||
{
|
||
_lastBuildWeightTime = iNow + _updateWeightInterval;
|
||
}
|
||
else
|
||
{
|
||
_first = false;
|
||
_lastBuildWeightTime = iNow + _updateWeightInterval + 5;
|
||
}
|
||
}
|
||
|
||
bool bEmpty = false;
|
||
int iActiveSize = _activeWeightProxy.size();
|
||
|
||
if(iActiveSize > 0)
|
||
{
|
||
size_t iProxyIndex = 0;
|
||
set<AdapterProxy*> sConn;
|
||
|
||
if(_staticRouterCache.size() > 0)
|
||
{
|
||
for(size_t i = 0;i < _staticRouterCache.size(); i++)
|
||
{
|
||
++_lastSWeightPosition;
|
||
|
||
if(_lastSWeightPosition >= _staticRouterCache.size())
|
||
_lastSWeightPosition = 0;
|
||
|
||
iProxyIndex = _staticRouterCache[_lastSWeightPosition];
|
||
|
||
if(_activeWeightProxy[iProxyIndex]->checkActive())
|
||
{
|
||
return _activeWeightProxy[iProxyIndex];
|
||
}
|
||
|
||
if(!_activeWeightProxy[iProxyIndex]->isConnTimeout() &&
|
||
!_activeWeightProxy[iProxyIndex]->isConnExc())
|
||
{
|
||
sConn.insert(_activeWeightProxy[iProxyIndex]);
|
||
}
|
||
}
|
||
}
|
||
else
|
||
{
|
||
bEmpty = true;
|
||
}
|
||
|
||
if(!bEmpty)
|
||
{
|
||
if(sConn.size() > 0)
|
||
{
|
||
vector<AdapterProxy*> conn;
|
||
set<AdapterProxy*>::iterator it_conn = sConn.begin();
|
||
while(it_conn != sConn.end())
|
||
{
|
||
conn.push_back(*it_conn);
|
||
++it_conn;
|
||
}
|
||
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy * adapterProxy = conn[((uint32_t)rand() % conn.size())];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeWeightProxy[((uint32_t)rand() % iActiveSize)];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
}
|
||
|
||
vector<AdapterProxy*> conn;
|
||
|
||
for(size_t i=0;i<_activeProxys.size();i++)
|
||
{
|
||
++_lastRoundPosition;
|
||
if(_lastRoundPosition >= _activeProxys.size())
|
||
_lastRoundPosition = 0;
|
||
|
||
if(_activeProxys[_lastRoundPosition]->checkActive())
|
||
{
|
||
return _activeProxys[_lastRoundPosition];
|
||
}
|
||
|
||
if(!_activeProxys[_lastRoundPosition]->isConnTimeout() &&
|
||
!_activeProxys[_lastRoundPosition]->isConnExc())
|
||
conn.push_back(_activeProxys[_lastRoundPosition]);
|
||
}
|
||
|
||
if(conn.size() > 0)
|
||
{
|
||
//都有问题, 随机选择一个没有connect超时或者链接异常的发送
|
||
AdapterProxy * adapterProxy = conn[((uint32_t)rand() % conn.size())];
|
||
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
return adapterProxy;
|
||
}
|
||
|
||
//所有adapter都有问题 选不到结点,随机找一个重试
|
||
AdapterProxy * adapterProxy = _activeProxys[((uint32_t)rand() % _activeProxys.size())];
|
||
//该proxy可能已经被屏蔽,需重新连一次
|
||
adapterProxy->checkActive(true);
|
||
|
||
return NULL;
|
||
}
|
||
|
||
void EndpointManager::updateProxyWeighted()
|
||
{
|
||
size_t iWeightProxySize = _activeProxys.size();
|
||
|
||
if(iWeightProxySize <= 0)
|
||
{
|
||
TLOGERROR("[TARS]EndpointManager::updateProxyWeighted _objName:" << _objName << "|_activeProxys.size() <= 0" << endl);
|
||
return ;
|
||
}
|
||
|
||
vector<AdapterProxy*> vProxy;
|
||
|
||
for(size_t i = 0; i < _activeProxys.size(); ++i)
|
||
{
|
||
if(_activeProxys[i]->getWeight() > 0)
|
||
{
|
||
vProxy.push_back(_activeProxys[i]);
|
||
}
|
||
}
|
||
|
||
iWeightProxySize = vProxy.size();
|
||
|
||
if(iWeightProxySize <= 0)
|
||
{
|
||
TLOGERROR("[TARS]EndpointManager::updateProxyWeighted _objName:" << _objName << "|vProxy.size() <= 0" << endl);
|
||
return ;
|
||
}
|
||
|
||
if(_update)
|
||
{
|
||
_activeWeightProxy = vProxy;
|
||
|
||
updateStaticWeighted();
|
||
}
|
||
|
||
_update = false;
|
||
}
|
||
|
||
void EndpointManager::updateStaticWeighted()
|
||
{
|
||
size_t iWeightProxySize = _activeWeightProxy.size();
|
||
vector<int> vWeight;
|
||
|
||
vWeight.resize(iWeightProxySize);
|
||
|
||
for(size_t i = 0; i < iWeightProxySize; i++)
|
||
{
|
||
vWeight[i] = _activeWeightProxy[i]->getWeight();
|
||
}
|
||
|
||
dispatchEndpointCache(vWeight);
|
||
}
|
||
|
||
void EndpointManager::dispatchEndpointCache(const vector<int> &vWeight)
|
||
{
|
||
if(vWeight.size() <= 0)
|
||
{
|
||
TLOGERROR("EndpointManager::dispatchEndpointCache vWeight.size() < 0" << endl);
|
||
return ;
|
||
}
|
||
|
||
size_t iWeightProxySize = vWeight.size();
|
||
map<size_t, int> mIdToWeight;
|
||
multimap<int, size_t> mWeightToId;
|
||
size_t iMaxR = 0;
|
||
size_t iMaxRouterR = 0;
|
||
size_t iMaxWeight = 0;
|
||
size_t iMinWeight = 0;
|
||
size_t iTotalCapacty = 0;
|
||
size_t iTempWeight = 0;
|
||
|
||
for(size_t i = 0; i < vWeight.size(); ++i)
|
||
{
|
||
iTotalCapacty += vWeight[i];
|
||
}
|
||
|
||
_staticRouterCache.clear();
|
||
_lastSWeightPosition = 0;
|
||
_staticRouterCache.reserve(iTotalCapacty+100);
|
||
|
||
iMaxWeight = vWeight[0];
|
||
iMinWeight = vWeight[0];
|
||
|
||
for(size_t i = 1;i < iWeightProxySize; i++)
|
||
{
|
||
iTempWeight = vWeight[i];
|
||
|
||
if(iTempWeight > iMaxWeight)
|
||
{
|
||
iMaxWeight = iTempWeight;
|
||
}
|
||
|
||
if(iTempWeight < iMinWeight)
|
||
{
|
||
iMinWeight = iTempWeight;
|
||
}
|
||
}
|
||
|
||
if(iMinWeight > 0)
|
||
{
|
||
iMaxR = iMaxWeight / iMinWeight;
|
||
|
||
if(iMaxR < iMinWeightLimit)
|
||
iMaxR = iMinWeightLimit;
|
||
|
||
if(iMaxR > iMaxWeightLimit)
|
||
iMaxR = iMaxWeightLimit;
|
||
}
|
||
else
|
||
{
|
||
iMaxR = 1;
|
||
iMaxWeight = 1;
|
||
}
|
||
|
||
for(size_t i = 0;i < iWeightProxySize; i++)
|
||
{
|
||
int iWeight = (vWeight[i] * iMaxR) / iMaxWeight;
|
||
|
||
if(iWeight > 0)
|
||
{
|
||
iMaxRouterR += iWeight;
|
||
|
||
mIdToWeight.insert(map<size_t, int>::value_type(i, iWeight));
|
||
|
||
mWeightToId.insert(make_pair(iWeight, i));
|
||
}
|
||
else
|
||
{
|
||
_staticRouterCache.push_back(i);
|
||
}
|
||
|
||
TLOGTARS("[TARS]EndpointManager::dispatchEndpointCache _objName:" << _objName << "|endpoint:" << _activeWeightProxy[i]->endpoint().desc() << "|iWeightR:" << iWeight << endl);
|
||
}
|
||
|
||
for(size_t i = 0; i < iMaxRouterR; i++)
|
||
{
|
||
bool bFirst = true;
|
||
multimap<int, size_t> mulTemp;
|
||
multimap<int, size_t>::reverse_iterator mIter = mWeightToId.rbegin();
|
||
while(mIter != mWeightToId.rend())
|
||
{
|
||
if(bFirst)
|
||
{
|
||
bFirst = false;
|
||
|
||
_staticRouterCache.push_back(mIter->second);
|
||
|
||
mulTemp.insert(make_pair((mIter->first - iMaxRouterR + mIdToWeight[mIter->second]), mIter->second));
|
||
}
|
||
else
|
||
{
|
||
mulTemp.insert(make_pair((mIter->first + mIdToWeight[mIter->second]), mIter->second));
|
||
}
|
||
|
||
mIter++;
|
||
}
|
||
|
||
mWeightToId.clear();
|
||
mWeightToId.swap(mulTemp);
|
||
}
|
||
}
|
||
|
||
/////////////////////////////////////////////////////////////////////////////
|
||
EndpointThread::EndpointThread(Communicator* pComm, const string & sObjName, GetEndpointType type, const string & sName, bool bFirstNetThread)
|
||
: QueryEpBase(pComm,bFirstNetThread,true)
|
||
, _type(type)
|
||
, _name(sName)
|
||
{
|
||
init(sObjName,_communicator->getProperty("locator"));
|
||
}
|
||
|
||
void EndpointThread::getEndpoints(vector<EndpointInfo> &activeEndPoint, vector<EndpointInfo> &inactiveEndPoint)
|
||
{
|
||
//直连调用这个接口无效
|
||
if(_direct)
|
||
{
|
||
return ;
|
||
}
|
||
|
||
{
|
||
TC_LockT<TC_SpinLock> lock(_mutex);
|
||
// TC_ThreadLock::Lock lock(_mutex);
|
||
|
||
refreshReg(_type,_name);
|
||
|
||
activeEndPoint = _activeEndPoint;
|
||
inactiveEndPoint = _inactiveEndPoint;
|
||
}
|
||
}
|
||
|
||
void EndpointThread::getTCEndpoints(vector<TC_Endpoint> &activeEndPoint, vector<TC_Endpoint> &inactiveEndPoint)
|
||
{
|
||
//直连调用这个接口无效
|
||
if(_direct)
|
||
{
|
||
return ;
|
||
}
|
||
|
||
{
|
||
|
||
TC_LockT<TC_SpinLock> lock(_mutex);
|
||
|
||
refreshReg(_type,_name);
|
||
|
||
activeEndPoint = _activeTCEndPoint;
|
||
inactiveEndPoint = _inactiveTCEndPoint;
|
||
}
|
||
}
|
||
|
||
void EndpointThread::notifyEndpoints(const set<EndpointInfo> & active, const set<EndpointInfo> & inactive, bool bSync)
|
||
{
|
||
if(!bSync)
|
||
{
|
||
TC_LockT<TC_SpinLock> lock(_mutex);
|
||
|
||
update(active, inactive);
|
||
}
|
||
else
|
||
{
|
||
update(active, inactive);
|
||
}
|
||
}
|
||
|
||
void EndpointThread::update(const set<EndpointInfo> & active, const set<EndpointInfo> & inactive)
|
||
{
|
||
_activeEndPoint.clear();
|
||
_inactiveEndPoint.clear();
|
||
|
||
_activeTCEndPoint.clear();
|
||
_inactiveTCEndPoint.clear();
|
||
|
||
set<EndpointInfo>::iterator iter= active.begin();
|
||
for(;iter != active.end(); ++iter)
|
||
{
|
||
TC_Endpoint ep(iter->host(), iter->port(), 3000, iter->type(), iter->grid());
|
||
|
||
_activeTCEndPoint.push_back(ep);
|
||
|
||
_activeEndPoint.push_back(*iter);
|
||
}
|
||
|
||
iter = inactive.begin();
|
||
for(;iter != inactive.end(); ++iter)
|
||
{
|
||
TC_Endpoint ep(iter->host(), iter->port(), 3000, iter->type(), iter->grid());
|
||
|
||
_inactiveTCEndPoint.push_back(ep);
|
||
|
||
_inactiveEndPoint.push_back(*iter);
|
||
}
|
||
}
|
||
/////////////////////////////////////////////////////////////////////////////
|
||
EndpointManagerThread::EndpointManagerThread(Communicator * pComm,const string & sObjName)
|
||
:_communicator(pComm)
|
||
,_objName(sObjName)
|
||
{
|
||
}
|
||
|
||
EndpointManagerThread::~EndpointManagerThread()
|
||
{
|
||
map<string,EndpointThread*>::iterator iter;
|
||
for(iter=_info.begin();iter != _info.end();iter++)
|
||
{
|
||
if(iter->second)
|
||
{
|
||
delete iter->second;
|
||
iter->second = NULL;
|
||
}
|
||
}
|
||
}
|
||
|
||
void EndpointManagerThread::getEndpoint(vector<EndpointInfo> &activeEndPoint, vector<EndpointInfo> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_DEFAULT,"");
|
||
|
||
pThread->getEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getEndpointByAll(vector<EndpointInfo> &activeEndPoint, vector<EndpointInfo> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_ALL,"");
|
||
|
||
pThread->getEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getEndpointBySet(const string sName, vector<EndpointInfo> &activeEndPoint, vector<EndpointInfo> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_SET,sName);
|
||
|
||
pThread->getEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getEndpointByStation(const string sName, vector<EndpointInfo> &activeEndPoint, vector<EndpointInfo> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_STATION,sName);
|
||
|
||
pThread->getEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getTCEndpoint(vector<TC_Endpoint> &activeEndPoint, vector<TC_Endpoint> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_DEFAULT,"");
|
||
|
||
pThread->getTCEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getTCEndpointByAll(vector<TC_Endpoint> &activeEndPoint, vector<TC_Endpoint> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_ALL,"");
|
||
|
||
pThread->getTCEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getTCEndpointBySet(const string sName, vector<TC_Endpoint> &activeEndPoint, vector<TC_Endpoint> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_SET,sName);
|
||
|
||
pThread->getTCEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
void EndpointManagerThread::getTCEndpointByStation(const string sName, vector<TC_Endpoint> &activeEndPoint, vector<TC_Endpoint> &inactiveEndPoint)
|
||
{
|
||
EndpointThread * pThread = getEndpointThread(E_STATION,sName);
|
||
|
||
pThread->getTCEndpoints(activeEndPoint,inactiveEndPoint);
|
||
}
|
||
|
||
EndpointThread * EndpointManagerThread::getEndpointThread(GetEndpointType type,const string & sName)
|
||
{
|
||
TC_LockT<TC_SpinLock> lock(_mutex);
|
||
|
||
string sAllName = TC_Common::tostr((int)type) + ":" + sName;
|
||
|
||
map<string,EndpointThread*>::iterator iter;
|
||
iter = _info.find(sAllName);
|
||
if(iter != _info.end())
|
||
{
|
||
return iter->second;
|
||
}
|
||
|
||
EndpointThread * pThread = new EndpointThread(_communicator, _objName, type, sName);
|
||
_info[sAllName] = pThread;
|
||
|
||
return pThread;
|
||
}
|
||
|
||
}
|