彻底改版2.0

other/ntpclient/ntpclient.cpp

@@ -0,0 +1,119 @@
+#include "ntpclient.h"
+#include "qmutex.h"
+#include "qudpsocket.h"
+#include "qdebug.h"
+
+QScopedPointer<NtpClient> NtpClient::self;
+NtpClient *NtpClient::Instance()
+{
+    if (self.isNull()) {
+        static QMutex mutex;
+        QMutexLocker locker(&mutex);
+        if (self.isNull()) {
+            self.reset(new NtpClient);
+        }
+    }
+
+    return self.data();
+}
+
+NtpClient::NtpClient(QObject *parent) : QObject(parent)
+{
+    ntpIP = "ntp1.aliyun.com";
+
+    udpSocket = new QUdpSocket(this);
+    connect(udpSocket, SIGNAL(connected()), this, SLOT(sendData()));
+    connect(udpSocket, SIGNAL(readyRead()), this, SLOT(readData()));
+}
+
+void NtpClient::sendData()
+{
+    qint8 LI = 0;
+    qint8 VN = 3;
+    qint8 MODE = 3;
+    qint8 STRATUM = 0;
+    qint8 POLL = 4;
+    qint8 PREC = -6;
+    QDateTime epoch(QDate(1900, 1, 1), QTime(0, 0, 0));
+    qint32 second = quint32(epoch.secsTo(QDateTime::currentDateTime()));
+
+    qint32 temp = 0;
+    QByteArray timeRequest(48, 0);
+    timeRequest[0] = (LI << 6) | (VN << 3) | (MODE);
+    timeRequest[1] = STRATUM;
+    timeRequest[2] = POLL;
+    timeRequest[3] = PREC & 0xff;
+    timeRequest[5] = 1;
+    timeRequest[9] = 1;
+    timeRequest[40] = (temp = (second & 0xff000000) >> 24);
+    temp = 0;
+    timeRequest[41] = (temp = (second & 0x00ff0000) >> 16);
+    temp = 0;
+    timeRequest[42] = (temp = (second & 0x0000ff00) >> 8);
+    temp = 0;
+    timeRequest[43] = ((second & 0x000000ff));
+
+    udpSocket->write(timeRequest);
+}
+
+void NtpClient::setTime_t(uint secsSince1Jan1970UTC)
+{
+
+}
+
+void NtpClient::readData()
+{
+    QByteArray newTime;
+    QDateTime epoch(QDate(1900, 1, 1), QTime(0, 0, 0));
+    QDateTime unixStart(QDate(1970, 1, 1), QTime(0, 0, 0));
+
+    while (udpSocket->hasPendingDatagrams()) {
+        newTime.resize(udpSocket->pendingDatagramSize());
+        udpSocket->read(newTime.data(), newTime.size());
+    };
+
+    QByteArray transmitTimeStamp ;
+    transmitTimeStamp = newTime.right(8);
+    quint32 seconds = transmitTimeStamp.at(0);
+    quint8 temp = 0;
+
+    for (int i = 1; i <= 3; i++) {
+        seconds = (seconds << 8);
+        temp = transmitTimeStamp.at(i);
+        seconds = seconds + temp;
+    }
+
+    QDateTime dateTime;
+    uint secs = seconds - epoch.secsTo(unixStart);
+
+#if (QT_VERSION >= QT_VERSION_CHECK(6,0,0))
+    dateTime.setSecsSinceEpoch(secs);
+#else
+    dateTime.setTime_t(secs);
+#endif
+
+#ifdef __arm__
+#ifdef arma9
+    dateTime = dateTime.addSecs(8 * 60 * 60);
+#endif
+#endif
+    udpSocket->disconnectFromHost();
+
+    //有些时候返回的数据可能有误或者解析不正确,导致填充的时间不正确
+    if (dateTime.isValid()) {
+        emit receiveTime(dateTime);
+    }
+}
+
+void NtpClient::setNtpIP(const QString &ntpIP)
+{
+    if (this->ntpIP != ntpIP) {
+        this->ntpIP = ntpIP;
+    }
+}
+
+void NtpClient::getDateTime()
+{
+    udpSocket->abort();
+    udpSocket->connectToHost(ntpIP, 123);
+}