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https://gitee.com/gfdgd-xi/deep-wine-runner
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大体功能完成
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214
VM-source/infoutils.cpp
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214
VM-source/infoutils.cpp
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#include "infoutils.h"
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#include <QFile>
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#include <QTextStream>
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#include <QtMath>
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infoUtils::infoUtils(QObject *parent) : QObject(parent)
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{
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}
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QString infoUtils::setRateUnitSensitive(infoUtils::RateUnit unit, infoUtils::Sensitive sensitive)
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{
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switch (sensitive) {
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case Sensitive::Default: {
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switch (unit) {
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case RateUnit::RateBit:
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return QString("b/s");
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case RateUnit::RateByte:
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return QString("B/s");
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case RateUnit::RateKb:
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return QString("Kb/s");
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case RateUnit::RateMb:
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return QString("Mb/s");
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case RateUnit::RateGb:
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return QString("Gb/s");
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case RateUnit::RateTb:
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return QString("Tb/s");
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default:
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// qDebug()<<QString("Sensitive::Default, RateUnit is RateUnknow.");
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return QString("");
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}
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}
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case Sensitive::Upper: {
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switch (unit) {
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case RateUnit::RateBit:
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return QString("BIT/S");
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case RateUnit::RateByte:
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return QString("B/S");
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case RateUnit::RateKb:
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return QString("KB/S");
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case RateUnit::RateMb:
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return QString("MB/S");
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case RateUnit::RateGb:
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return QString("GB/S");
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case RateUnit::RateTb:
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return QString("TB/S");
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default:
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// qDebug()<<QString("Sensitive::Upper, RateUnit is RateUnknow.");
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return QString("");
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}
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}
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case Sensitive::Lower: {
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switch (unit) {
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case RateUnit::RateBit:
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return QString("bit/s");
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case RateUnit::RateByte:
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return QString("b/s");
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case RateUnit::RateKb:
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return QString("kb/s");
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case RateUnit::RateMb:
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return QString("mb/s");
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case RateUnit::RateGb:
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return QString("gb/s");
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case RateUnit::RateTb:
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return QString("tb/s");
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default:
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// qDebug()<<QString("Sensitive::Lower, RateUnit is RateUnknow.");
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return QString("");
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}
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}
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default: {
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// qDebug()<<QString("Sensitive is RateUnknow.");
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return QString("");
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}
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}
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}
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double infoUtils::autoRateUnits(long speed, infoUtils::RateUnit &unit)
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{
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/* 自动判断合适的速率单位,默认传进来的是 Byte
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* bit 0 ~ 7 位 (不到 1 字节)
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* Byte 1 ~ 2^10 Byte
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* KB 2^10 ~ 2^20 Byte
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* MB 2^20 ~ 2^30 Byte
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* GB 2^30 ~ 2^40 Byte
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* TB 2^40 ~ 2^50 Byte
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*/
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if (unit != infoUtils::RateByte) {
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// qDebug()<<"请先将单位转为字节(byte)后再传参";
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return -1;
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}
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double sp = 0;
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if (0 <= speed && speed < qPow(2, 10)) {
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unit = infoUtils::RateByte;
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sp = speed;
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} else if (qPow(2, 10) <= speed && speed < qPow(2, 20)) {
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unit = infoUtils::RateKb;
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sp = static_cast<double>(speed / qPow(2, 10) * 1.0);
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} else if (qPow(2, 20) <= speed && speed < qPow(2, 30)) {
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unit = infoUtils::RateMb;
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sp = static_cast<double>(speed / qPow(2, 20) * 1.0);
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} else if (qPow(2, 30) <= speed && speed < qPow(2, 40)) {
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unit = infoUtils::RateGb;
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sp = static_cast<double>(speed / qPow(2, 30) * 1.0);
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} else if (qPow(2, 40) <= speed && speed < qPow(2, 50)) {
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unit = infoUtils::RateTb;
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sp = static_cast<double>(speed / qPow(2, 40) * 1.0);
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} else {
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unit = infoUtils::RateUnknow;
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// qDebug()<<"本设备网络速率单位传输超过 TB, 或者低于 0 Byte.";
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sp = -1;
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}
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return sp;
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}
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void infoUtils::uptime(double &run, double &idle)
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{
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QFile file(PROC_UPTIME); // /proc/uptime
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if(!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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return;
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}
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QTextStream stream(&file);
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QString line = stream.readLine();
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QStringList list = line.split(QRegExp("\\s{1,}"));
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if(!list.isEmpty()) {
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run = list.at(0).toDouble();
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idle = list.at(1).toDouble();
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}
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file.close();
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}
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void infoUtils::netRate(long &netDown, long &netUpload)
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{
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QFile file(PROC_NET); // /proc/net/dev
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text)) { // 在读取时，把行尾结束符修改为 '\n'； 在写入时，把行尾结束符修改为本地系统换行风格，比如Windows文本换行是 "\r\n"
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return;
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}
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long down = 0;
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long upload = 0;
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QTextStream stream(&file);
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QString line = stream.readLine();
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line = stream.readLine();
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line = stream.readLine();
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while (!line.isNull()) {
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line = line.trimmed();
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QStringList list = line.split(QRegExp("\\s{1,}")); // 匹配任意 大于等于1个的 空白字符
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if (!list.isEmpty()) {
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down = list.at(1).toLong();
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upload = list.at(9).toLong();
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}
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netDown += down;
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netUpload += upload;
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line = stream.readLine();
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}
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file.close();
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}
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void infoUtils::cpuRate(long &cpuAll, long &cpuFree)
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{
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cpuAll = cpuFree = 0;
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bool ok = false;
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QFile file(PROC_CPU); // /proc/stat
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if(!file.open(QIODevice::ReadOnly | QIODevice::Text)) {
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return;
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}
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QTextStream stream(&file);
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QString line = stream.readLine();
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if (!line.isNull()) {
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QStringList list = line.split(QRegExp("\\s{1,}"));
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for (auto v = list.begin() + 1; v != list.end(); ++v)
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cpuAll += (*v).toLong(&ok);
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cpuFree = list.at(4).toLong(&ok);
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}
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file.close();
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}
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void infoUtils::memoryRate(long &memory, long &memoryAll, long &swap, long &swapAll)
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{
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memory = memoryAll = 0;
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swap = swapAll = 0;
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bool ok = false;
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QFile file(PROC_MEM); // /proc/meminfo
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if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
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return;
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QTextStream stream(&file);
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long buff[16] = {0};
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for (int i = 0; i <= 15; ++i) {
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QString line = stream.readLine();
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QStringList list = line.split(QRegExp("\\s{1,}"));
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buff[i] = list.at(1).toLong(&ok);
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}
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memoryAll = buff[0];
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memory = buff[0] - buff[2];
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swapAll = buff[14];
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swap = buff[14] - buff[15];
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file.close();
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}
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