mirror of
https://gitee.com/TarsCloud/TarsCpp.git
synced 2024-12-22 22:16:38 +08:00
445 lines
10 KiB
C++
445 lines
10 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/Current.h"
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#include "servant/ServantHandle.h"
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#include "servant/BaseF.h"
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#include "servant/Application.h"
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#include "tup/tup.h"
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#include <cerrno>
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namespace tars
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{
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//////////////////////////////////////////////////////////////////
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Current::Current(ServantHandle *pServantHandle)
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: _servantHandle(pServantHandle)
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, _response(true)
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, _ret(0)
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, _reportStat(true)
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, _traceCall(false)
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{
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}
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Current::~Current()
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{
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//TUP调用或单向调用，从服务端上报调用信息
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if(_reportStat)
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{
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if(_request.iVersion == TUPVERSION )
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{
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reportToStat("tup_client");
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}
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else if(_request.cPacketType == TARSONEWAY)
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{
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reportToStat("one_way_client");
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}
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else if(_request.cPacketType == TARSNORMAL)
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{
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reportToStat("stat_from_server");
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}
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else if (!_isTars && ServerConfig::ReportFlow)
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{
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//非tars客户端 从服务端上报调用信息
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reportToStat("not_tars_client");
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}
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}
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}
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const string &Current::getHostName() const
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{
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auto it = _request.context.find("node_name");
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if(it != _request.context.end() && !(it->second.empty()) )
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{
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return it->second;
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}
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return _data->ip();
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}
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const string &Current::getIp() const
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{
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return _data->ip();
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}
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int Current::getPort() const
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{
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return _data->port();
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}
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uint32_t Current::getUId() const
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{
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return _data->uid();
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}
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string Current::getServantName() const
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{
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return _request.sServantName;
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}
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short Current::getRequestVersion() const
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{
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return _request.iVersion;
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}
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map<string, string>& Current::getContext()
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{
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return _request.context;
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}
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const map<string, string>& Current::getRequestStatus() const
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{
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return _request.status;
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}
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string Current::getFuncName() const
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{
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return _request.sFuncName;
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}
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uint32_t Current::getRequestId() const
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{
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return _request.iRequestId;
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}
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char Current::getPacketType() const
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{
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return _request.cPacketType;
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}
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int Current::getMessageType() const
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{
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return _request.iMessageType;
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}
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struct timeval Current::getRecvTime() const
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{
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timeval tm;
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tm.tv_sec = _data->recvTimeStampUs() / 1000000;
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tm.tv_usec = _data->recvTimeStampUs() % 1000000;
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return tm;
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}
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void Current::setReportStat(bool bReport)
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{
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_reportStat = bReport;
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}
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const vector<char>& Current::getRequestBuffer() const
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{
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if (_isTars)
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{
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return _request.sBuffer;
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}
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else
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{
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return _data->buffer();
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}
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}
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bool Current::isResponse() const
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{
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return _response;
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}
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void Current::setCloseType(int type)
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{
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_data->setCloseType(type);
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}
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int Current::getCloseType() const
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{
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return _data->closeType();
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}
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void Current::initialize(const shared_ptr<TC_EpollServer::RecvContext> &data)
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{
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_data = data;
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Application *application = (Application*)this->_servantHandle->getApplication();
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_request.sServantName = application->getServantHelper()->getAdapterServant(_data->adapter()->getName());
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_isTars = _data->adapter()->isTarsProtocol();
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if (_isTars)
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{
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initialize(_data->buffer());
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}
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}
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void Current::initializeClose(const shared_ptr<TC_EpollServer::RecvContext> &data)
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{
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_data = data;
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Application *application = (Application*)this->_servantHandle->getApplication();
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_request.sServantName = application->getServantHelper()->getAdapterServant(_data->adapter()->getName());
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}
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void Current::initialize(const vector<char>& sRecvBuffer)
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{
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TarsInputStream<BufferReader> is;
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is.setBuffer(sRecvBuffer.data(), sRecvBuffer.size());
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_request.readFrom(is);
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}
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void Current::sendResponse(const char *buff, uint32_t len)
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{
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shared_ptr<TC_EpollServer::SendContext> send = _data->createSendContext();
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// send->buffer()->assign(buff, len);
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send->buffer()->addBuffer(buff, len);
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_servantHandle->sendResponse(send);
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}
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void Current::sendResponse(int iRet, const vector<char> &buff)
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{
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//单向调用不需要返回
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if (_request.cPacketType == TARSONEWAY)
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{
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return;
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}
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ResponsePacket response;
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response.sBuffer = buff;
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sendResponse(iRet, response, TARS_STATUS(), "");
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}
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void Current::sendResponse(int iRet, const string &buff)
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{
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//单向调用不需要返回
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if (_request.cPacketType == TARSONEWAY)
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{
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return;
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}
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ResponsePacket response;
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response.sBuffer.assign(buff.begin(), buff.end());
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sendResponse(iRet, response, TARS_STATUS(), "");
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}
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void Current::sendResponse(int iRet)
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{
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ResponsePacket response;
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sendResponse(iRet, response, TARS_STATUS(), "");
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}
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void Current::sendResponse(int iRet, tars::TarsOutputStream<tars::BufferWriterVector>& os)
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{
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ResponsePacket response;
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os.swap(response.sBuffer);
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sendResponse(iRet, response, TARS_STATUS(), "");
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}
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void Current::sendResponse(int iRet, tup::UniAttribute<tars::BufferWriterVector, tars::BufferReader>& attr)
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{
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ResponsePacket response;
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attr.encode(response.sBuffer);
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sendResponse(iRet, response, TARS_STATUS(), "");
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}
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void Current::sendResponse(int iRet, ResponsePacket &response, const map<string, string>& status, const string & sResultDesc)
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{
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_ret = iRet;
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//单向调用不需要返回
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if (_request.cPacketType == TARSONEWAY)
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{
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return;
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}
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shared_ptr<TC_EpollServer::SendContext> send = _data->createSendContext();
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Int32 iHeaderLen = 0;
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TarsOutputStream<BufferWriter> os;
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//先预留4个字节长度
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os.writeBuf((const char *)&iHeaderLen, sizeof(iHeaderLen));
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if (_request.iVersion != TUPVERSION)
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{
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response.iRequestId = _request.iRequestId;
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response.cPacketType = TARSNORMAL;
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response.iMessageType = _request.iMessageType;
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response.iVersion = _request.iVersion;
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for(auto e: status)
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{
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response.status.emplace(e);
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}
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response.context = _responseContext;
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response.sResultDesc = sResultDesc;
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response.iRet = iRet;
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TLOGTARS("Current::sendResponse :"
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<< response.iMessageType << "|"
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<< _request.sServantName << "|"
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<< _request.sFuncName << "|"
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<< response.iRequestId << endl);
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response.writeTo(os);
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}
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else
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{
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//tup回应包用请求包的结构(这里和新版本TARS是有区别的)
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RequestPacket tupResponse;
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tupResponse.iRequestId = _request.iRequestId;
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tupResponse.iMessageType = _request.iMessageType;
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tupResponse.cPacketType = TARSNORMAL;
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tupResponse.iVersion = _request.iVersion;
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for(auto e: status)
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{
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response.status.emplace(e);
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}
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// tupResponse.status = status;
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tupResponse.context = _responseContext;
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tupResponse.sBuffer.swap(response.sBuffer);
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tupResponse.sServantName = _request.sServantName;
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tupResponse.sFuncName = _request.sFuncName;
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//异常的情况下buffer可能为空，要保证有一个空UniAttribute的编码内容
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if(tupResponse.sBuffer.size() == 0)
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{
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tup::UniAttribute<> tarsAttr;
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tarsAttr.setVersion(_request.iVersion);
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tarsAttr.encode(response.sBuffer);
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}
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//iRet为0时,不记录在status里面,节省空间
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if(iRet != 0)
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{
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tupResponse.status[ServantProxy::STATUS_RESULT_CODE] = TC_Common::tostr(iRet);
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}
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//sResultDesc为空时,不记录在status里面,节省空间
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if(!sResultDesc.empty())
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{
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tupResponse.status[ServantProxy::STATUS_RESULT_DESC] = sResultDesc;
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}
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TLOGTARS("Current::sendResponse :"
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<< tupResponse.iMessageType << "|"
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<< _request.sServantName << "|"
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<< _request.sFuncName << "|"
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<< tupResponse.iRequestId << endl);
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tupResponse.writeTo(os);
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}
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assert(os.getLength() >= 4);
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iHeaderLen = htonl((int)(os.getLength()));
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memcpy((void*)os.getBuffer(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
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send->setBuffer(ProxyProtocol::toBuffer(os));
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_servantHandle->sendResponse(send);
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}
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void Current::sendPushResponse(int iRet, const string &funcName, TarsOutputStream<BufferWriterVector>& oss, const map<string, string> &context)
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{
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ResponsePacket response;
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oss.swap(response.sBuffer);
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response.iRet = iRet;
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response.iRequestId = 0;
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response.cPacketType = TARSNORMAL;
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response.iMessageType = 0;
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response.iVersion = TARSVERSION;
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response.context = context;
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response.status["TARS_FUNC"] = funcName;
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shared_ptr<TC_EpollServer::SendContext> send = _data->createSendContext();
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Int32 iHeaderLen = 0;
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TarsOutputStream<BufferWriter> os;
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//先预留4个字节长度
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os.writeBuf((const char *)&iHeaderLen, sizeof(iHeaderLen));
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response.writeTo(os);
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assert(os.getLength() >= 4);
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iHeaderLen = htonl((int)(os.getLength()));
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memcpy((void*)os.getBuffer(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
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send->setBuffer(ProxyProtocol::toBuffer(os));
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_servantHandle->sendResponse(send);
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}
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void Current::close()
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{
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if (_servantHandle)
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{
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_servantHandle->close(_data);
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}
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}
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ServantHandle* Current::getServantHandle()
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{
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return _servantHandle;
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}
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TC_EpollServer::BindAdapter* Current::getBindAdapter()
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{
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return _data->adapter().get();
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}
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void Current::reportToStat(const string& sObj)
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{
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StatReport* stat = Application::getCommunicator()->getStatReport();
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if(stat && stat->getStatPrx())
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{
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stat->report(sObj, "", _request.sFuncName, _data->ip(), 0, (StatReport::StatResult)_ret, TNOWMS - _data->recvTimeStamp(), 0, false);
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}
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}
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void Current::setTrace(bool traceCall, const string& traceKey)
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{
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_traceCall = traceCall;
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_traceKey = traceKey;
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}
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bool Current::isTraced() const
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{
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return _traceCall;
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}
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string Current::getTraceKey() const
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{
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return _traceKey;
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}
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bool Current::connectionExists() const
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{
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return _data->connectionExists();
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}
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////////////////////////////////////////////////////////////////////////////
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}
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