teleport/client/tp-player/thr_data.cpp

#include <QDebug>
#include <QDir>
#include <QFile>
#include <QNetworkCookie>
#include <QStandardPaths>
#include <qcoreapplication.h>

#include "thr_play.h"
#include "thr_data.h"
#include "util.h"
#include "record_format.h"
#include "mainwindow.h"


//=================================================================
// ThrData
//=================================================================

ThrData::ThrData(MainWindow* mainwin, const QString& res) {
    m_mainwin = mainwin;
    m_res = res;
    m_need_download = false;
    m_need_stop = false;

#ifdef __APPLE__
    QString data_path_base = QStandardPaths::writableLocation(QStandardPaths::DesktopLocation);
    data_path_base += "/tp-testdata/";
#else
    m_local_data_path_base = QCoreApplication::applicationDirPath() + "/record";
#endif
    qDebug("data-path-base: %s", m_local_data_path_base.toStdString().c_str());

    //    qDebug() << "AppConfigLocation:" << QStandardPaths::writableLocation(QStandardPaths::AppConfigLocation);
    //    qDebug() << "AppDataLocation:" << QStandardPaths::writableLocation(QStandardPaths::AppDataLocation);
    //    qDebug() << "AppLocalDataLocation:" << QStandardPaths::writableLocation(QStandardPaths::AppLocalDataLocation);
    //    qDebug() << "ConfigLocation:" << QStandardPaths::writableLocation(QStandardPaths::ConfigLocation);
    //    qDebug() << "CacheLocation:" << QStandardPaths::writableLocation(QStandardPaths::CacheLocation);
    //    qDebug() << "GenericCacheLocation:" << QStandardPaths::writableLocation(QStandardPaths::GenericCacheLocation);

    /*
AppConfigLocation: "C:/Users/apex/AppData/Local/tp-player"
AppDataLocation: "C:/Users/apex/AppData/Roaming/tp-player"
AppLocalDataLocation: "C:/Users/apex/AppData/Local/tp-player"
ConfigLocation: "C:/Users/apex/AppData/Local/tp-player"
CacheLocation: "C:/Users/apex/AppData/Local/tp-player/cache"
GenericCacheLocation: "C:/Users/apex/AppData/Local/cache"
     */
}

ThrData::~ThrData() {
}

void ThrData::stop() {
    if(!isRunning())
        return;
    m_need_stop = true;
    wait();
    qDebug("data thread stop() end.");
}

void ThrData::_notify_message(const QString& msg) {
    UpdateData* _msg = new UpdateData(TYPE_MESSAGE);
    _msg->message(msg);
    emit signal_update_data(_msg);
}

void ThrData::_notify_error(const QString& msg) {
    UpdateData* _msg = new UpdateData(TYPE_ERROR);
    _msg->message(msg);
    emit signal_update_data(_msg);
}

void ThrData::_notify_download(DownloadParam* param) {
    emit signal_download(param);
}

//	tp-player.exe http://teleport.domain.com:7190/{sub/path/}tp_1491560510_ca67fceb75a78c9d/1234 (注意，并不直接访问此URI，实际上其并不存在)
//                TP服务器地址(可能包含子路径哦，例如上例中的{sub/path/}部分)/session-id(用于判断当前授权用户)/录像会话编号

void ThrData::run() {
    if(!_load_header())
        return;

    if(!_load_keyframe())
        return;

    for(;;) {
        if(m_need_stop)
            break;
        msleep(500);
    }

    qDebug("ThrData thread run() end.");
}

bool ThrData::_load_header() {
    QString msg;
    QString _tmp_res = m_res.toLower();

    if(_tmp_res.startsWith("http")) {
        m_need_download = true;
    }

    if(m_need_download) {
        _notify_message(LOCAL8BIT("正在准备录像数据，请稍候..."));

        QStringList _uris = m_res.split('/');
        if(_uris.size() < 3) {
            qDebug() << "invalid param: " << m_res;
            return false;
        }

        m_sid = _uris[_uris.size()-2];
        m_rid = _uris[_uris.size()-1];
        m_url_base = m_res.left(m_res.length() - m_sid.length() - m_rid.length() - 2);

        qDebug() << "url-base:[" << m_url_base << "], sid:[" << m_sid << "], rid:[" << m_rid << "]";

        // download .tpr
        QString url(m_url_base);
        url += "/audit/get-file?act=read&type=rdp&rid=";
        url += m_rid;
        url += "&f=tp-rdp.tpr";

        QString fname;
        if(!_download_file(url, fname))
            return false;

//        Downloader& dl = m_mainwin->downloader();
//        dl.reset();

//        DownloadParam param;
//        param.url = url;
//        param.sid = m_sid;
//        param.fname = fname;
//        _notify_download(&param);

//        for(;;) {
//            if(dl.code() == Downloader::codeUnknown || dl.code() == Downloader::codeDownloading) {
//                msleep(100);
//                continue;
//            }

//            break;
//        }

//        if(dl.code() != Downloader::codeSuccess) {
//            _notify_error(QString("%1").arg(LOCAL8BIT("下载文件失败！")));
//            return false;
//        }

        Downloader* dl = m_mainwin->downloader();
        QByteArray& data = dl->data();
        if(data.size() != sizeof(TS_RECORD_HEADER)) {
            qDebug("invalid header file. %d", data.size());
            _notify_error(QString("%1\n\n%2").arg(LOCAL8BIT("指定的文件或目录不存在！"), _tmp_res));
            return false;
        }

        memcpy(&m_hdr, data.data(), sizeof(TS_RECORD_HEADER));
    }
    else {
        QFileInfo fi_chk_link(m_res);
        if(fi_chk_link.isSymLink())
            _tmp_res = fi_chk_link.symLinkTarget();
        else
            _tmp_res = m_res;

        QFileInfo fi(_tmp_res);
        if(!fi.exists()) {
            _notify_error(QString("%1\n\n%2").arg(LOCAL8BIT("指定的文件或目录不存在！"), _tmp_res));
            return false;
        }

        if(fi.isFile()) {
            m_path_base = fi.path();
        }
        else if(fi.isDir()) {
            m_path_base = _tmp_res;
        }

        m_path_base = QDir::toNativeSeparators(m_path_base);

        qDebug() << "PATH_BASE: " << m_path_base;

        QString filename = QString("%1/tp-rdp.tpr").arg(m_path_base);
        filename = QDir::toNativeSeparators(filename);
        qDebug() << "TPR: " << filename;

        QFile f(filename);
        if(!f.open(QFile::ReadOnly)) {
            qDebug() << "Can not open " << filename << " for read.";
            _notify_error(QString("%1\n\n%2").arg(LOCAL8BIT("无法打开录像信息文件！"), filename));
            return false;
        }

        memset(&m_hdr, 0, sizeof(TS_RECORD_HEADER));

        qint64 read_len = 0;
        read_len = f.read(reinterpret_cast<char*>(&m_hdr), sizeof(TS_RECORD_HEADER));
        if(read_len != sizeof(TS_RECORD_HEADER)) {
            qDebug() << "invaid .tpr file.";
            _notify_error(QString("%1\n\n%2").arg(LOCAL8BIT("错误的录像信息文件！"), filename));
            return false;
        }
    }

    if(m_hdr.info.ver != 4) {
        qDebug() << "invaid .tpr file.";
        _notify_error(QString("%1 %2%3").arg(LOCAL8BIT("不支持的录像文件版本 "), QString(m_hdr.info.ver), LOCAL8BIT("！\n\n此播放器支持录像文件版本 4。")));
        return false;
    }

    if(m_hdr.basic.width == 0 || m_hdr.basic.height == 0) {
        _notify_error(LOCAL8BIT("错误的录像信息，未记录窗口尺寸！"));
        return false;
    }

    if(m_hdr.info.dat_file_count == 0) {
        _notify_error(LOCAL8BIT("错误的录像信息，未记录数据文件数量！"));
        return false;
    }


    // 下载得到的数据应该是一个TS_RECORD_HEADER，解析此数据，生成本地文件路径，并保存之。
    if(m_need_download) {
        QDateTime timeUTC;
        //        timeUTC.setTimeSpec(Qt::UTC);
        //        timeUTC.setTime_t(m_hdr.basic.timestamp);
        timeUTC.setSecsSinceEpoch(m_hdr.basic.timestamp);
        QString strUTC = timeUTC.toString("yyyyMMdd-hhmmss");

        QString strAcc(m_hdr.basic.acc_username);
        int idx = strAcc.indexOf('\\');
        if(-1 != idx) {
            QString _domain = strAcc.left(idx);
            QString _user = strAcc.right(strAcc.length() - idx - 1);
            strAcc = _user + "@" + _domain;
        }

        // .../record/RDP-211-admin-user@domain-192.168.0.68-20191015-020243
        m_path_base = QString("%1/RDP-%2-%3-%4-%5-%6").arg(m_local_data_path_base,
                                                           m_rid,
                                                           m_hdr.basic.user_username,
                                                           strAcc,
                                                           m_hdr.basic.host_ip,
                                                           strUTC
                                                           );

        m_path_base = QDir::toNativeSeparators(m_path_base);

        qDebug() << "PATH_BASE: " << m_path_base;

        QDir dir;
        dir.mkpath(m_path_base);
        QFileInfo fi;
        fi.setFile(m_path_base);
        if(!fi.isDir()) {
            qDebug("can not create folder to save downloaded file.");
            return false;
        }

        QString filename = QString("%1/tp-rdp.tpr").arg(m_path_base);
        filename = QDir::toNativeSeparators(filename);
        qDebug() << "TPR: " << filename;

        QFile f;
        f.setFileName(filename);
        if(!f.open(QIODevice::WriteOnly | QFile::Truncate)){
            qDebug("open file for write failed.");
            return false;
        }

        qint64 written = f.write(reinterpret_cast<const char*>(&m_hdr), sizeof(TS_RECORD_HEADER));
        f.flush();
        f.close();

        if(written != sizeof(TS_RECORD_HEADER)) {
            qDebug("save header file failed.");
            return false;
        }
    }

    return true;
}

bool ThrData::_load_keyframe() {
    //    _notify_error(QString("%1").arg(LOCAL8BIT("测试！")));

    QString tpk_fname = QString("%1/tp-rdp.tpk").arg(m_path_base);
    tpk_fname = QDir::toNativeSeparators(tpk_fname);

    if(m_need_download) {
        // download .tpr
        QString url(m_url_base);
        url += "/audit/get-file?act=read&type=rdp&rid=";
        url += m_rid;
        url += "&f=tp-rdp.tpk";

        QString tmp_fname = QString("%1/tp-rdp.tpk.downloading").arg(m_path_base);
        tmp_fname = QDir::toNativeSeparators(tmp_fname);
        qDebug() << "TPK(tmp): " << tmp_fname;
        qDebug() << "TPK(out): " << tpk_fname;

        if(!_download_file(url, tmp_fname))
            return false;

        QFile::rename(tmp_fname, tpk_fname);
    }

    QFile f_kf(tpk_fname);
    if(!f_kf.open(QFile::ReadOnly)) {
        qDebug() << "Can not open " << tpk_fname << " for read.";
        _notify_error(QString("%1\n\n%3").arg(LOCAL8BIT("无法打开关键帧信息文件！"), tpk_fname));
        return false;
    }

    qint64 fsize = f_kf.size();
    if(!fsize || fsize % sizeof(KEYFRAME_INFO) != 0) {
        qDebug() << "Can not open " << tpk_fname << " for read.";
        _notify_error(LOCAL8BIT("关键帧信息文件格式错误！"));
        return false;
    }

    qint64 read_len = 0;
    int kf_count = fsize / sizeof(KEYFRAME_INFO);
    for(int i = 0; i < kf_count; ++i) {
        KEYFRAME_INFO kf;
        memset(&kf, 0, sizeof(KEYFRAME_INFO));
        read_len = f_kf.read(reinterpret_cast<char*>(&kf), sizeof(KEYFRAME_INFO));
        if(read_len != sizeof(KEYFRAME_INFO)) {
            qDebug() << "invaid .tpk file.";
            _notify_error(LOCAL8BIT("关键帧信息文件格式错误！"));
            return false;
        }

        m_kf.push_back(kf);
    }

    return true;
}

bool ThrData::_download_file(const QString& url, const QString filename) {
    if(!m_need_download) {
        qDebug() << "download not necessary.";
        return false;
    }

    m_mainwin->reset_downloader();
    msleep(100);

    DownloadParam param;
    param.url = url;
    param.sid = m_sid;
    param.fname = filename;
    _notify_download(&param);

    for(;;) {
        Downloader* dl = m_mainwin->downloader();
        if(!dl || dl->code() == Downloader::codeUnknown || dl->code() == Downloader::codeDownloading) {
            msleep(100);
            continue;
        }

        if(dl->code() != Downloader::codeSuccess) {
            qDebug() << "download failed.";
            _notify_error(QString("%1").arg(LOCAL8BIT("下载文件失败！")));
            return false;
        }
        else {
            qDebug() << "download ok.";
            return true;
        }
    }
}

#if 0
void ThrData::run() {
    QString msg;
    QString path_base;

    QString _tmp_res = m_res.toLower();

    if(_tmp_res.startsWith("http")) {
        qDebug() << "DOWNLOAD";
        m_need_download = true;

        // "正在缓存录像数据，请稍候..."
        m_thr_play->_notify_message(LOCAL8BIT("正在下载录像数据，请稍候..."));

        //        QString msg;
        //        for(;;) {
        //            msleep(500);

        //            if(m_need_stop)
        //                return;

        //            if(!m_thr_data->prepare(path_base, msg)) {
        //                msg.sprintf("指定的文件或目录不存在！\n\n%s", _tmp_res.toStdString().c_str());
        //                _notify_error(msg);
        //                return;
        //            }

        //            if(path_base.length())
        //                break;
        //        }
    }
    else {
        QFileInfo fi_chk_link(m_res);
        if(fi_chk_link.isSymLink())
            _tmp_res = fi_chk_link.symLinkTarget();
        else
            _tmp_res = m_res;

        QFileInfo fi(_tmp_res);
        if(!fi.exists()) {
            msg.sprintf(LOCAL8BIT("指定的文件或目录不存在！\n\n%s").toStdString().c_str(), _tmp_res.toStdString().c_str());
            m_thr_play->_notify_error(msg);
            return;
        }

        if(fi.isFile()) {
            path_base = fi.path();
        }
        else if(fi.isDir()) {
            path_base = m_res;
        }

        path_base += "/";
    }

    //======================================
    // 加载录像基本信息数据
    //======================================

    QString tpr_filename(path_base);
    tpr_filename += "tp-rdp.tpr";

    QFile f_hdr(tpr_filename);
    if(!f_hdr.open(QFile::ReadOnly)) {
        qDebug() << "Can not open " << tpr_filename << " for read.";
        msg.sprintf(LOCAL8BIT("无法打开录像信息文件！\n\n%s").toStdString().c_str(), tpr_filename.toStdString().c_str());
        m_thr_play->_notify_error(msg);
        return;
    }

    TS_RECORD_HEADER hdr;
    memset(&hdr, 0, sizeof(TS_RECORD_HEADER));

    qint64 read_len = 0;
    read_len = f_hdr.read((char*)(&hdr), sizeof(TS_RECORD_HEADER));
    if(read_len != sizeof(TS_RECORD_HEADER)) {
        qDebug() << "invaid .tpr file.";
        msg.sprintf(LOCAL8BIT("错误的录像信息文件！\n\n%s").toStdString().c_str(), tpr_filename.toStdString().c_str());
        m_thr_play->_notify_error(msg);
        return;
    }

    if(hdr.info.ver != 4) {
        qDebug() << "invaid .tpr file.";
        msg.sprintf(LOCAL8BIT("不支持的录像文件版本 %d！\n\n此播放器支持录像文件版本 4。").toStdString().c_str(), hdr.info.ver);
        m_thr_play->_notify_error(msg);
        return;
    }

    if(hdr.basic.width == 0 || hdr.basic.height == 0) {
        m_thr_play->_notify_error(LOCAL8BIT("错误的录像信息，未记录窗口尺寸！"));
        return;
    }

    if(hdr.info.dat_file_count == 0) {
        m_thr_play->_notify_error(LOCAL8BIT("错误的录像信息，未记录数据文件数量！"));
        return;
    }

    //======================================
    // 加载关键帧数据
    //======================================
    QString tpk_filename(path_base);
    tpk_filename += "tp-rdp.tpk";

    QFile f_kf(tpk_filename);
    if(!f_kf.open(QFile::ReadOnly)) {
        qDebug() << "Can not open " << tpk_filename << " for read.";
        msg.sprintf(LOCAL8BIT("无法打开关键帧信息文件！\n\n%s").toStdString().c_str(), tpk_filename.toStdString().c_str());
        m_thr_play->_notify_error(msg);
        return;
    }

    qint64 fsize = f_kf.size();
    if(!fsize || fsize % sizeof(KEYFRAME_INFO) != 0) {
        qDebug() << "Can not open " << tpk_filename << " for read.";
        msg.sprintf(LOCAL8BIT("关键帧信息文件格式错误！\n\n").toStdString().c_str());
        m_thr_play->_notify_error(msg);
        return;
    }

    int kf_count = fsize / sizeof(KEYFRAME_INFO);
    for(int i = 0; i < kf_count; ++i) {
        KEYFRAME_INFO kf;
        memset(&kf, 0, sizeof(KEYFRAME_INFO));
        read_len = f_kf.read((char*)(&kf), sizeof(KEYFRAME_INFO));
        if(read_len != sizeof(KEYFRAME_INFO)) {
            qDebug() << "invaid .tpk file.";
            msg.sprintf(LOCAL8BIT("关键帧信息文件格式错误！\n\n").toStdString().c_str());
            m_thr_play->_notify_error(msg);
            return;
        }

        m_kf.push_back(kf);
    }

    //======================================
    // 读取并解析录像数据文件
    //======================================
    uint32_t fidx = 0;
    while(!m_need_stop) {

        for(fidx = 0; fidx < hdr.info.dat_file_count; ++fidx) {
            QString tpd_filename(path_base);
            QString str_tmp;

            str_tmp.sprintf("tp-rdp-%d.tpd", fidx+1);
            tpd_filename += str_tmp;

            QFileInfo fi(tpd_filename);
            if(!fi.isFile()) {
                // 文件不存在，如需下载，则启动下载函数并等待下载结束。（下载是异步的吗？）
            }

            QFile f_dat(tpd_filename);
            if(!f_dat.open(QFile::ReadOnly)) {
                qDebug() << "Can not open " << tpd_filename << " for read.";
                // msg.sprintf("无法打开录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
                msg = QString::fromLocal8Bit("无法打开录像数据文件！\n\n");
                msg += tpd_filename;
                m_thr_play->_notify_error(msg);
                return;
            }



            for(;;) {
                if(m_need_stop) {
                    qDebug() << "stop, user cancel 2.";
                    break;
                }

                if(m_need_pause) {
                    msleep(50);
                    time_begin += 50;
                    continue;
                }

                TS_RECORD_PKG pkg;
                read_len = f_dat.read((char*)(&pkg), sizeof(pkg));
                if(read_len == 0)
                    break;
                if(read_len != sizeof(TS_RECORD_PKG)) {
                    qDebug() << "invaid .tpd file (1).";
                    // msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
                    msg = QString::fromLocal8Bit("错误的录像数据文件！\n\n");
                    msg += tpd_filename.toStdString().c_str();
                    _notify_error(msg);
                    return;
                }
                if(pkg.type == TS_RECORD_TYPE_RDP_KEYFRAME) {
                    qDebug("----key frame: %d", pkg.time_ms);
                }

                UpdateData* dat = new UpdateData(TYPE_DATA);
                dat->alloc_data(sizeof(TS_RECORD_PKG) + pkg.size);
                memcpy(dat->data_buf(), &pkg, sizeof(TS_RECORD_PKG));
                read_len = f_dat.read((char*)(dat->data_buf()+sizeof(TS_RECORD_PKG)), pkg.size);
                if(read_len != pkg.size) {
                    delete dat;
                    qDebug() << "invaid .tpd file.";
                    // msg.sprintf("错误的录像数据文件！\n\n%s", tpd_filename.toStdString().c_str());
                    msg = QString::fromLocal8Bit("错误的录像数据文件！\n\n");
                    msg += tpd_filename.toStdString().c_str();
                    _notify_error(msg);
                    return;
                }

                pkg_count++;

                time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
                if(time_pass > total_ms)
                    time_pass = total_ms;
                if(time_pass - time_last_pass > 200) {
                    UpdateData* _passed_ms = new UpdateData(TYPE_PLAYED_MS);
                    _passed_ms->played_ms(time_pass);
                    emit signal_update_data(_passed_ms);
                    time_last_pass = time_pass;
                }

                if(time_pass >= pkg.time_ms) {
                    emit signal_update_data(dat);
                    continue;
                }

                // 需要等待
                uint32_t time_wait = pkg.time_ms - time_pass;
                uint32_t wait_this_time = 0;
                for(;;) {
                    if(m_need_pause) {
                        msleep(50);
                        time_begin += 50;
                        continue;
                    }

                    wait_this_time = time_wait;
                    if(wait_this_time > 10)
                        wait_this_time = 10;

                    if(m_need_stop) {
                        qDebug() << "stop, user cancel (2).";
                        break;
                    }

                    msleep(wait_this_time);

                    uint32_t _time_pass = (uint32_t)(QDateTime::currentMSecsSinceEpoch() - time_begin) * m_speed;
                    if(_time_pass > total_ms)
                        _time_pass = total_ms;
                    if(_time_pass - time_last_pass > 200) {
                        UpdateData* _passed_ms = new UpdateData(TYPE_PLAYED_MS);
                        _passed_ms->played_ms(_time_pass);
                        emit signal_update_data(_passed_ms);
                        time_last_pass = _time_pass;
                    }

                    time_wait -= wait_this_time;
                    if(time_wait == 0) {
                        emit signal_update_data(dat);
                        break;
                    }
                }

            }
        }
    }


    //    msg = LOCAL8BIT("开始播放...");
    //    m_thr_play->_notify_error(msg);
}
#endif

void ThrData::_prepare() {
    UpdateData* d = new UpdateData(TYPE_HEADER_INFO);

    m_locker.lock();
    m_data.enqueue(d);
    m_locker.unlock();
}

UpdateData* ThrData::get_data() {

    m_locker.lock();
    UpdateData* d = m_data.dequeue();
    m_locker.unlock();

    return d;
}