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- /**
- * Tencent is pleased to support the open source community by making Tars available.
- *
- * Copyright (C) 2016THL A29 Limited, a Tencent company. All rights reserved.
- *
- * Licensed under the BSD 3-Clause License (the "License"); you may not use this file except
- * in compliance with the License. You may obtain a copy of the License at
- *
- * https://opensource.org/licenses/BSD-3-Clause
- *
- * Unless required by applicable law or agreed to in writing, software distributed
- * under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
- * CONDITIONS OF ANY KIND, either express or implied. See the License for the
- * specific language governing permissions and limitations under the License.
- */
- #include "servant/Current.h"
- #include "servant/ServantHandle.h"
- #include "servant/BaseF.h"
- #include "servant/Application.h"
- #include "tup/tup.h"
- #include <cerrno>
- namespace tars
- {
- //////////////////////////////////////////////////////////////////
- Current::Current(ServantHandle *pServantHandle)
- : _servantHandle(pServantHandle)
- , _response(true)
- , _ret(0)
- , _reportStat(true)
- , _traceCall(false)
- {
- }
- Current::~Current()
- {
- //TUP调用或单向调用,从服务端上报调用信息
- if(_reportStat)
- {
- if(_request.iVersion == TUPVERSION )
- {
- reportToStat("tup_client");
- }
- else if(_request.cPacketType == TARSONEWAY)
- {
- reportToStat("one_way_client");
- }
- else if (!_isTars && ServerConfig::ReportFlow)
- {
- //非tars客户端 从服务端上报调用信息
- reportToStat("not_tars_client");
- }
- }
- }
- const string &Current::getHostName() const
- {
- auto it = _request.context.find("node_name");
- if(it != _request.context.end() && !(it->second.empty()) )
- {
- return it->second;
- }
- return _data->ip();
- }
- const string &Current::getIp() const
- {
- return _data->ip();
- }
- int Current::getPort() const
- {
- return _data->port();
- }
- uint32_t Current::getUId() const
- {
- return _data->uid();
- }
- string Current::getServantName() const
- {
- return _request.sServantName;
- }
- short Current::getRequestVersion() const
- {
- return _request.iVersion;
- }
- map<string, string>& Current::getContext()
- {
- return _request.context;
- }
- const map<string, string>& Current::getRequestStatus() const
- {
- return _request.status;
- }
- string Current::getFuncName() const
- {
- return _request.sFuncName;
- }
- uint32_t Current::getRequestId() const
- {
- return _request.iRequestId;
- }
- char Current::getPacketType() const
- {
- return _request.cPacketType;
- }
- int Current::getMessageType() const
- {
- return _request.iMessageType;
- }
- struct timeval Current::getRecvTime() const
- {
- timeval tm;
- tm.tv_sec = _data->recvTimeStamp() / 1000;
- tm.tv_usec = (_data->recvTimeStamp() % 1000) * 1000;
- return tm;
- }
- void Current::setReportStat(bool bReport)
- {
- _reportStat = bReport;
- }
- const vector<char>& Current::getRequestBuffer() const
- {
- if (_isTars)
- {
- return _request.sBuffer;
- }
- else
- {
- return _data->buffer();
- }
- }
- bool Current::isResponse() const
- {
- return _response;
- }
- void Current::setCloseType(int type)
- {
- _data->setCloseType(type);
- }
- int Current::getCloseType() const
- {
- return _data->closeType();
- }
- void Current::initialize(const shared_ptr<TC_EpollServer::RecvContext> &data)
- {
- _data = data;
- Application *application = (Application*)this->_servantHandle->getApplication();
- _request.sServantName = application->getServantHelper()->getAdapterServant(_data->adapter()->getName());
- _isTars = _data->adapter()->isTarsProtocol();
- if (_isTars)
- {
- initialize(_data->buffer());
- }
- }
- void Current::initializeClose(const shared_ptr<TC_EpollServer::RecvContext> &data)
- {
- _data = data;
- Application *application = (Application*)this->_servantHandle->getApplication();
- _request.sServantName = application->getServantHelper()->getAdapterServant(_data->adapter()->getName());
- }
- void Current::initialize(const vector<char>& sRecvBuffer)
- {
- TarsInputStream<BufferReader> is;
- is.setBuffer(sRecvBuffer.data(), sRecvBuffer.size());
- _request.readFrom(is);
- }
- void Current::sendResponse(const char *buff, uint32_t len)
- {
- shared_ptr<TC_EpollServer::SendContext> send = _data->createSendContext();
- // send->buffer()->assign(buff, len);
- send->buffer()->addBuffer(buff, len);
- _servantHandle->sendResponse(send);
- }
- void Current::sendResponse(int iRet, const vector<char> &buff)
- {
- //单向调用不需要返回
- if (_request.cPacketType == TARSONEWAY)
- {
- return;
- }
- ResponsePacket response;
- response.sBuffer = buff;
- sendResponse(iRet, response, TARS_STATUS(), "");
- }
- void Current::sendResponse(int iRet, const string &buff)
- {
- //单向调用不需要返回
- if (_request.cPacketType == TARSONEWAY)
- {
- return;
- }
- ResponsePacket response;
- response.sBuffer.assign(buff.begin(), buff.end());
- sendResponse(iRet, response, TARS_STATUS(), "");
- }
- void Current::sendResponse(int iRet)
- {
- ResponsePacket response;
- sendResponse(iRet, response, TARS_STATUS(), "");
- }
- void Current::sendResponse(int iRet, tars::TarsOutputStream<tars::BufferWriterVector>& os)
- {
- ResponsePacket response;
- os.swap(response.sBuffer);
- sendResponse(iRet, response, TARS_STATUS(), "");
- }
- void Current::sendResponse(int iRet, tup::UniAttribute<tars::BufferWriterVector, tars::BufferReader>& attr)
- {
- ResponsePacket response;
- attr.encode(response.sBuffer);
- sendResponse(iRet, response, TARS_STATUS(), "");
- }
- void Current::sendResponse(int iRet, ResponsePacket &response, const map<string, string>& status, const string & sResultDesc)
- {
- _ret = iRet;
- //单向调用不需要返回
- if (_request.cPacketType == TARSONEWAY)
- {
- return;
- }
- shared_ptr<TC_EpollServer::SendContext> send = _data->createSendContext();
- Int32 iHeaderLen = 0;
- TarsOutputStream<BufferWriter> os;
- //先预留4个字节长度
- os.writeBuf((const char *)&iHeaderLen, sizeof(iHeaderLen));
- if (_request.iVersion != TUPVERSION)
- {
- response.iRequestId = _request.iRequestId;
- response.cPacketType = TARSNORMAL;
- response.iMessageType = _request.iMessageType;
- response.iVersion = _request.iVersion;
- for(auto e: status)
- {
- response.status.emplace(e);
- }
- response.context = _responseContext;
- response.sResultDesc = sResultDesc;
- response.iRet = iRet;
- TLOGTARS("Current::sendResponse :"
- << response.iMessageType << "|"
- << _request.sServantName << "|"
- << _request.sFuncName << "|"
- << response.iRequestId << endl);
- response.writeTo(os);
- }
- else
- {
- //tup回应包用请求包的结构(这里和新版本TARS是有区别的)
- RequestPacket tupResponse;
- tupResponse.iRequestId = _request.iRequestId;
- tupResponse.iMessageType = _request.iMessageType;
- tupResponse.cPacketType = TARSNORMAL;
- tupResponse.iVersion = _request.iVersion;
- for(auto e: status)
- {
- response.status.emplace(e);
- }
- // tupResponse.status = status;
- tupResponse.context = _responseContext;
- tupResponse.sBuffer.swap(response.sBuffer);
- tupResponse.sServantName = _request.sServantName;
- tupResponse.sFuncName = _request.sFuncName;
- //异常的情况下buffer可能为空,要保证有一个空UniAttribute的编码内容
- if(tupResponse.sBuffer.size() == 0)
- {
- tup::UniAttribute<> tarsAttr;
- tarsAttr.setVersion(_request.iVersion);
- tarsAttr.encode(response.sBuffer);
- }
- //iRet为0时,不记录在status里面,节省空间
- if(iRet != 0)
- {
- tupResponse.status[ServantProxy::STATUS_RESULT_CODE] = TC_Common::tostr(iRet);
- }
- //sResultDesc为空时,不记录在status里面,节省空间
- if(!sResultDesc.empty())
- {
- tupResponse.status[ServantProxy::STATUS_RESULT_DESC] = sResultDesc;
- }
- TLOGTARS("Current::sendResponse :"
- << tupResponse.iMessageType << "|"
- << _request.sServantName << "|"
- << _request.sFuncName << "|"
- << tupResponse.iRequestId << endl);
- tupResponse.writeTo(os);
- }
- assert(os.getLength() >= 4);
- iHeaderLen = htonl((int)(os.getLength()));
- memcpy((void*)os.getBuffer(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
- send->setBuffer(ProxyProtocol::toBuffer(os));
- _servantHandle->sendResponse(send);
- }
- void Current::sendPushResponse(int iRet, const string &funcName, TarsOutputStream<BufferWriterVector>& oss, const map<string, string> &context)
- {
- ResponsePacket response;
- oss.swap(response.sBuffer);
- response.iRet = iRet;
- response.iRequestId = 0;
- response.cPacketType = TARSNORMAL;
- response.iMessageType = 0;
- response.iVersion = TARSVERSION;
- response.context = context;
- response.status["TARS_FUNC"] = funcName;
- shared_ptr<TC_EpollServer::SendContext> send = _data->createSendContext();
- Int32 iHeaderLen = 0;
- TarsOutputStream<BufferWriter> os;
- //先预留4个字节长度
- os.writeBuf((const char *)&iHeaderLen, sizeof(iHeaderLen));
- response.writeTo(os);
- assert(os.getLength() >= 4);
- iHeaderLen = htonl((int)(os.getLength()));
- memcpy((void*)os.getBuffer(), (const char *)&iHeaderLen, sizeof(iHeaderLen));
- send->setBuffer(ProxyProtocol::toBuffer(os));
- _servantHandle->sendResponse(send);
- }
- void Current::close()
- {
- if (_servantHandle)
- {
- _servantHandle->close(_data);
- }
- }
- ServantHandle* Current::getServantHandle()
- {
- return _servantHandle;
- }
- TC_EpollServer::BindAdapter* Current::getBindAdapter()
- {
- return _data->adapter().get();
- }
- void Current::reportToStat(const string& sObj)
- {
- StatReport* stat = Application::getCommunicator()->getStatReport();
- if(stat && stat->getStatPrx())
- {
- stat->report(sObj, "", _request.sFuncName, _data->ip(), 0, (StatReport::StatResult)_ret, TNOWMS - _data->recvTimeStamp(), 0, false);
- }
- }
- void Current::setTrace(bool traceCall, const string& traceKey)
- {
- _traceCall = traceCall;
- _traceKey = traceKey;
- }
- bool Current::isTraced() const
- {
- return _traceCall;
- }
- string Current::getTraceKey() const
- {
- return _traceKey;
- }
- bool Current::connectionExists() const
- {
- return _data->connectionExists();
- }
- ////////////////////////////////////////////////////////////////////////////
- }
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