GrpcPrint/PrintS/DataManage/StreamServer.cpp

#include "StreamServer.h"
#include "../job/MetaData.h"

StreamServer::StreamServer(Machine* p)
    : m_port(50010)
    , m_checkQuitFlag(false)
    , m_dataCallBack(nullptr)
    , m_machine(p)
    , m_handlePtr(nullptr){
}


StreamServer::~StreamServer() {
    Stop();

    m_checkQuitFlag = true;
    if (m_checkCloseTd.joinable())  m_checkCloseTd.join();
}


//回复后连接中断  请求打印文件层
::grpc::Status StreamServer::Simple(::grpc::ServerContext* context, const ::stream::RequestInfo* request, ::stream::ResponseAny* response) {
    ReadData readData;
    readData.dataType = (READTYPE)(request->datatype());
    readData.nameKey = request->namekey();
    readData.strValue = request->strvalue();
    readData.valueType = (DATATYPE)request->valuetype();
    if (m_layerDataCallBack)
        m_layerDataCallBack(m_handlePtr, readData, &response);
    return Status::OK;
}



Status StreamServer::AllStream(ServerContext* context, grpc::ServerReaderWriter<ResponseInfo, RequestInfo>* stream) {
    ClientInfo* cinfo = new ClientInfo();

    string addr = context->peer();
    size_t pos = addr.find_first_of(':');
    printf("\n%s client login...\n", addr.substr(pos+1).c_str());
    cinfo->m_clientAddr = context->peer();
    cinfo->m_context = context;
    ClientWrapper::Instance()->AddClient(cinfo);

    
    std::thread read([this, &stream, cinfo] {
        RequestInfo request;
        while (!cinfo->m_readQuitFlag && stream->Read(&request)) {
            ReadData readData;
            readData.dataType = (READTYPE)request.datatype();
            readData.nameKey = request.namekey();
            readData.strValue = request.strvalue();
            readData.valueType = (DATATYPE)request.valuetype();
            readData.handleType = (DATAHANDLE)request.handletype();
            readData.clientPtr = cinfo;

            //函数参数
            std::list<Item> paramLst;  //
            for (const ::stream::ParamInfo it : request.item()) {
                paramLst.emplace_back(Item{ it.namekey(),it.strvalue() ,(DATATYPE)it.valuetype() });  //直接加到readData.its上面，后续的请求无法收到，不知道为啥
            }

            printf("客户端消息：dataType:%d,nameKey:%s, strValue:%s,valueType:%d\n",
                readData.dataType, readData.nameKey.c_str(), readData.strValue.c_str(), readData.valueType);
            if (m_dataCallBack) {
                m_dataCallBack(m_handlePtr,readData, paramLst);
            }

        }
        printf("read thread exit...\n") ;
        });

     std::thread write([this, &stream, cinfo] {
        while(!cinfo->m_writeQuitFlag) {
            WriteData writeData;
            if (cinfo->GetPushMsg(writeData)) {
                ResponseInfo response;
                response.set_result(true);
                response.set_datatype(writeData.dataType);

                for (auto wd = writeData.items.begin(); wd != writeData.items.end(); ++wd) {
                    ::stream::ParamInfo* paramInfo = response.add_item();
                    paramInfo->set_namekey((*wd).nameKey);
                    paramInfo->set_strvalue((*wd).strValue);
                    paramInfo->set_valuetype((stream::TYPE)(*wd).valueType);
                }
                stream->Write(response);
            }
            else {
                std::this_thread::sleep_for(std::chrono::milliseconds(100));
            }
        }
        });

     read.join();
     write.join();

    return Status::OK;
}



void StreamServer::Init() {

}


void StreamServer::Run() {
    Stop();

    //检测下线线程
    m_checkQuitFlag = false;
    m_checkCloseTd = std::thread([this] {
        while (!m_checkQuitFlag) {
            ClientWrapper::Instance()->OfflineCheck();

            int count = 10;
            while (count-- && !m_checkQuitFlag) {
                std::this_thread::sleep_for(std::chrono::milliseconds(100));
            }
        }
    });



    //监听线程
    m_listenTd = std::thread([this] {
        std::string server_address("0.0.0.0:" + std::to_string(m_port));
        //std::cout << "Server listening on " << server_address << std::endl;
        ServerBuilder builder;
        builder.AddListeningPort(server_address, grpc::InsecureServerCredentials());
        builder.RegisterService(this);
        m_server = builder.BuildAndStart();
        m_server->Wait();
        
    });
}


void StreamServer::Stop() {
    ClientWrapper::Instance()->Clear();

    if(m_server.get())
        m_server->Shutdown();

    if (m_listenTd.joinable()) {
        m_listenTd.join();
    }

    m_checkQuitFlag = true;
    if (m_checkCloseTd.joinable()) 
        m_checkCloseTd.join();


}