GrpcPrint/PrintS/DataManage/StreamServer.cpp

#include "StreamServer.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();
}


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("%s client login...\n", addr.substr(pos+1).c_str());
    cinfo->m_clientAddr = context->peer();
    cinfo->m_context = context;

    {
        std::lock_guard<std::mutex> lck(m_clientMutex);
        m_clientList.emplace_back(cinfo);
        m_machine->UpdateClients(m_clientList);
    }
    
    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.clientPtr = cinfo;

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

        }
        });

     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);
                response.set_strvalue(writeData.strValue);
                response.set_namekey(writeData.nameKey);
                response.set_valuetype((::stream::ResponseInfo_TYPE)writeData.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() {
    //检测下线线程
    if (!m_checkCloseTd.joinable()) {
        m_checkCloseTd = std::thread([this] {
            while (!m_checkQuitFlag) {
                {
                    std::lock_guard<std::mutex> lck(m_clientMutex);
                    bool ischange = false;
                    for (auto client = m_clientList.begin(); client != m_clientList.end();) {
                        if (!(*client)->IsConnect()) {
                            printf("%s 下线了...\n", (*client)->m_clientAddr.c_str());
                            delete  (*client);
                            client = m_clientList.erase(client);
                            ischange = true;
                        }
                        else
                            ++client;
                    }
                    if (ischange)  m_machine->UpdateClients(m_clientList);
                }
                std::this_thread::sleep_for(std::chrono::milliseconds(1000));
            }
        });
    }


    //监听线程
    if (!m_listenTd.joinable()) {
        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() {
    m_server->Shutdown();
    if (m_listenTd.joinable()) {
        m_listenTd.join();
    }

    {
        std::lock_guard<std::mutex> lck(m_clientMutex);
        for (auto client = m_clientList.begin(); client != m_clientList.end(); ++client) {
            delete  (*client);
        }
        m_clientList.clear();
    }
}