mirror of
https://gitee.com/TarsCloud/TarsCpp.git
synced 2024-12-22 22:16:38 +08:00
318 lines
8.3 KiB
C++
318 lines
8.3 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/ObjectProxy.h"
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#include "servant/Communicator.h"
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#include "servant/Global.h"
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#include "servant/EndpointManager.h"
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#include "servant/AppCache.h"
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#include "util/tc_common.h"
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#include "util/tc_clientsocket.h"
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#include "servant/TarsLogger.h"
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namespace tars
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{
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////////////////////////////////////////////////////////////////////////////////////////////
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ObjectProxy::ObjectProxy(CommunicatorEpoll * pCommunicatorEpoll, const string & sObjectProxyName,const string& setName)
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: _communicatorEpoll(pCommunicatorEpoll)
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, _invokeSetId(setName)
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, _isInvokeBySet(false)
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, _id(0)
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, _hasSetProtocol(false)
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, _conTimeout(1000)
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, _servantProxy(NULL)
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{
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string::size_type pos = sObjectProxyName.find_first_of('@');
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if(pos != string::npos)
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{
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_name = sObjectProxyName.substr(0,pos);
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}
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else
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{
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_name = sObjectProxyName;
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//启用set或者指定set调用
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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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_invokeSetId = _invokeSetId.empty()?ClientConfig::SetDivision:_invokeSetId;
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_isInvokeBySet = true;
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}
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}
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_proxyProtocol.requestFunc = ProxyProtocol::tarsRequest;
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_proxyProtocol.responseFunc = ProxyProtocol::tarsResponse;
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_protoName = "tars";
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_endpointManger.reset(new EndpointManager(this, _communicatorEpoll->getCommunicator(), sObjectProxyName, pCommunicatorEpoll->isFirstNetThread(), setName));
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}
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ObjectProxy::~ObjectProxy()
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{
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}
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void ObjectProxy::initialize()
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{
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}
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int ObjectProxy::loadLocator()
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{
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if(_endpointManger->getDirectProxy())
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{
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//直接连接
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return 0;
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}
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string locator = _communicatorEpoll->getCommunicator()->getProperty("locator");
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if (locator.find_first_not_of('@') == string::npos)
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{
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TLOGERROR("[Locator is not valid:" << locator << "]" << endl);
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return -1;
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}
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QueryFPrx prx = _communicatorEpoll->getCommunicator()->stringToProxy<QueryFPrx>(locator);
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_endpointManger->setLocatorPrx(prx);
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return 0;
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}
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void ObjectProxy::setProxyProtocol(const ProxyProtocol& protocol, const std::string& name)
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{
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if(_hasSetProtocol)
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{
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return ;
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}
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_hasSetProtocol = true;
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_proxyProtocol = protocol;
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_protoName = name;
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}
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ProxyProtocol& ObjectProxy::getProxyProtocol()
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{
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return _proxyProtocol;
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}
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const std::string& ObjectProxy::getProtoName() const
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{
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return _protoName;
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}
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void ObjectProxy::setSocketOpt(int level, int optname, const void *optval, socklen_t optlen)
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{
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SocketOpt socketOpt;
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socketOpt.level = level;
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socketOpt.optname = optname;
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socketOpt.optval = optval;
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socketOpt.optlen = optlen;
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_socketOpts.push_back(socketOpt);
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}
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vector<SocketOpt>& ObjectProxy::getSocketOpt()
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{
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return _socketOpts;
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}
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void ObjectProxy::setPushCallbacks(const ServantProxyCallbackPtr& cb)
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{
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_pushCallback = cb;
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}
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ServantProxyCallbackPtr ObjectProxy::getPushCallback()
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{
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return _pushCallback;
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}
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void ObjectProxy::invoke(ReqMessage * msg)
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{
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TLOGINFO("[TARS][ObjectProxy::invoke, objname:" << _name << ", begin...]" << endl);
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//选择一个远程服务的Adapter来调用
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AdapterProxy * pAdapterProxy = NULL;
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bool bFirst = _endpointManger->selectAdapterProxy(msg, pAdapterProxy);
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if(bFirst)
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{
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//判断是否请求过主控
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bool bRet = _reqTimeoutQueue.push(msg,msg->request.iTimeout+msg->iBeginTime);
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assert(bRet);
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//把数据缓存在obj里面
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TLOGINFO("[TARS][ObjectProxy::invoke, objname:" << _name << ", select adapter proxy not valid (have not inovoke reg)]" << endl);
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return;
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}
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if(!pAdapterProxy)
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{
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TLOGERROR("[TARS][ObjectProxy::invoke, objname:"<< _name << ", selectAdapterProxy is null]"<<endl);
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msg->response.iRet = TARSADAPTERNULL;
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doInvokeException(msg);
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return ;
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}
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msg->adapter = pAdapterProxy;
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pAdapterProxy->invoke(msg);
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}
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void ObjectProxy::doInvoke()
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{
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TLOGINFO("[TARS][ObjectProxy::doInvoke, objname:" << _name << ", begin...]" << endl);
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while(!_reqTimeoutQueue.empty())
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{
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TLOGINFO("[TARS][ObjectProxy::doInvoke, objname:" << _name << ", pop...]" << endl);
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ReqMessage * msg = NULL;
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_reqTimeoutQueue.pop(msg);
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assert(msg != NULL);
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//选择一个远程服务的Adapter来调用
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AdapterProxy * pAdapterProxy = NULL;
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_endpointManger->selectAdapterProxy(msg,pAdapterProxy);
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if(!pAdapterProxy)
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{
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//这里肯定是请求过主控
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TLOGERROR("[TARS][ObjectProxy::doInvoke, objname:" << _name << ", selectAdapterProxy is null]" << endl);
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msg->response.iRet = TARSADAPTERNULL;
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doInvokeException(msg);
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return;
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}
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msg->adapter = pAdapterProxy;
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pAdapterProxy->invoke(msg);
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}
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}
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const vector<AdapterProxy*> & ObjectProxy::getAdapters() const
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{
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return _endpointManger->getAdapters();
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}
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void ObjectProxy::doInvokeException(ReqMessage * msg)
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{
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TLOGINFO("[TARS][ObjectProxy::doInvokeException, objname:" << _name << "]" << endl);
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//单向调用出现异常直接删除请求
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if(msg->eType == ReqMessage::ONE_WAY)
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{
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delete msg;
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return;
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}
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//标识请求异常
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msg->eStatus = ReqMessage::REQ_EXC;
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if(msg->eType == ReqMessage::SYNC_CALL)
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{
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if(!msg->bCoroFlag)
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{
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assert(msg->pMonitor);
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TC_ThreadLock::Lock sync(*(msg->pMonitor));
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msg->pMonitor->notify();
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msg->bMonitorFin = true;
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}
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else
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{
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msg->sched->put(msg->iCoroId);
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}
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return;
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}
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if(msg->callback)
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{
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if(!msg->bCoroFlag)
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{
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if(msg->callback->getNetThreadProcess())
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{
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ReqMessagePtr msgPtr = msg;
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//如果是本线程的回调，直接本线程处理
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//比如获取endpoint
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try
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{
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msg->callback->onDispatch(msgPtr);
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}
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catch(exception & e)
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{
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TLOGERROR("[TARS]ObjectProxy::doInvokeException exp:" << e.what() << " ,line:" << __LINE__ << endl);
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}
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catch(...)
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{
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TLOGERROR("[TARS]ObjectProxy::doInvokeException exp:unknown line:|" << __LINE__ << endl);
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}
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}
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else
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{
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//异步回调，放入回调处理线程中
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_communicatorEpoll->pushAsyncThreadQueue(msg);
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}
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}
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else
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{
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CoroParallelBasePtr ptr = msg->callback->getCoroParallelBasePtr();
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if(ptr)
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{
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ptr->insert(msg);
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if(ptr->checkAllReqReturn())
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{
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msg->sched->put(msg->iCoroId);
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}
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}
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else
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{
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TLOGERROR("[TARS]ObjectProxy::doInvokeException coro parallel callback error, objname:" << _name << endl);
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delete msg;
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}
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}
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}
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}
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void ObjectProxy::doTimeout()
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{
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TLOGINFO("[TARS][ObjectProxy::doInvokeException, objname:" << _name << "]" << endl);
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ReqMessage * reqInfo = NULL;
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while(_reqTimeoutQueue.timeout(reqInfo))
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{
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TLOGERROR("[TARS][ObjectProxy::doTimeout, objname:" << _name << ", queue timeout error]" << endl);
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reqInfo->response.iRet = TARSINVOKETIMEOUT;
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doInvokeException(reqInfo);
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}
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}
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////////////////////////////////////////////////////////////////////////////////////////////////
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}
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