本文整理汇总了C++中qChecksum函数的典型用法代码示例。如果您正苦于以下问题：C++ qChecksum函数的具体用法？C++ qChecksum怎么用？C++ qChecksum使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了qChecksum函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。
示例1: qChecksum
bool SerialClient::writePacket(QByteArray& data)
{
quint16 checksum;
checksum = qChecksum(data, data.size());
for(int i = 0;i < SERIAL_MAX_RETRY;i++) {
m_stream << SERIAL_KEY;
m_stream << data;
m_stream << qChecksum(data.constData(), data.size());
if(checkOk())
return true;
}
return false;
}
开发者ID:DavidMutchler，项目名称:kiss，代码行数:14，代码来源:SerialClient.cpp
示例2: GetDownloadFilename
QString GetDownloadFilename(QString title, QString url)
{
QByteArray urlarr(url.toLatin1());
quint16 urlChecksum = qChecksum(urlarr.data(), urlarr.length());
QByteArray titlearr(title.toLatin1());
quint16 titleChecksum = qChecksum(titlearr.data(), titlearr.length());
QUrl qurl(url);
QString ext = QFileInfo(qurl.path()).suffix();
QString basefilename = QString("download_%1_%2.%3")
.arg(QString::number(urlChecksum))
.arg(QString::number(titleChecksum)).arg(ext);
return basefilename;
}
开发者ID:bwarden，项目名称:mythtv，代码行数:14，代码来源:netutils.cpp
示例3: socketWriteStream
bool CNetRender::SendData(QTcpSocket *socket, sMessage msg)
{
// NetRender Message format (optional)
// | qint32 | qint32 | qint32 |( 0 - ??? | quint16 |)
// | command | id | size |( payload | checksum |)
if (!socket) return false;
if(socket->state() != QAbstractSocket::ConnectedState) return false;
QByteArray byteArray;
QDataStream socketWriteStream(&byteArray, QIODevice::ReadWrite);
msg.size = msg.payload.size();
msg.id = actualId;
// append header
socketWriteStream << msg.command << msg.id << msg.size;
// append payload
if(msg.size > 0)
{
socketWriteStream.writeRawData(msg.payload.data(), msg.size);
// append checksum
qint16 checksum = qChecksum(msg.payload.data(), msg.size);
socketWriteStream << checksum;
}
// write to socket
socket->write(byteArray);
//socket->waitForBytesWritten();
return true;
}
开发者ID:gitter-badger，项目名称:mandelbulber2，代码行数:33，代码来源:netrender.cpp
示例4: getCrc
quint16 getCrc(const QString &file_path)
{
quint16 result = 0;
QFile file(file_path);
if (file.open(QIODevice::ReadOnly))
{
qint64 file_size = file.size();
if(file_size)
{
QDataStream in(&file);
char *buf = new char[file_size];
int num_bytes_read = in.readRawData(buf, file_size);
if (num_bytes_read != file_size)
{
log(QString("Number of bytes read(%) is not equal to file size(%2)"
": %3\n"));
}
result = qChecksum(buf, num_bytes_read);
delete [] buf;
}
else
{
log(QString("File size is zero: %1\n").arg(file_path));
}
}
else
{
log(QString("Failed to open file for reading: %1\n").arg(file_path));
}
return result;
}
开发者ID:geotavros，项目名称:PatchMaker，代码行数:35，代码来源:main.cpp
示例5: qChecksum
quint16
Zones::getFingerprint() const
{
quint64 x = 0;
for (int i=0; i<ranges.size(); i++) {
// from
x += ranges[i].begin.toJulianDay();
// to
x += ranges[i].end.toJulianDay();
// CP
x += ranges[i].cp;
// FTP
x += ranges[i].ftp;
// W'
x += ranges[i].wprime;
// W'
x += ranges[i].pmax;
// each zone definition (manual edit/default changed)
for (int j=0; j<ranges[i].zones.count(); j++) {
x += ranges[i].zones[j].lo;
}
}
QByteArray ba = QByteArray::number(x);
// we spot other things separately
return qChecksum(ba, ba.length());
}
开发者ID:JanDeVisser，项目名称:GoldenCheetah，代码行数:33，代码来源:Zones.cpp
示例6: ba
quint16 OSCPlugin::getHash(QString path)
{
quint16 hash;
if (m_hash.contains(path))
hash = m_hash[path];
else
{
/*
#include <QByteArray>
#include <zlib.h>
QByteArray ba("This is a Test 123 :)!");
ulong crc = crc32(0, NULL, 0);
crc = crc32(crc, (const Bytef *)ba.data(), ba.size());
printf("CRC-32 = 0x%x\n", crc);
*/
/** No existing hash found. Add a new key to the table */
hash = qChecksum(path.toUtf8().data(), path.length());
m_hash[path] = hash;
}
return hash;
}
开发者ID:JanetPeck，项目名称:qlcplus，代码行数:25，代码来源:oscplugin.cpp
示例7: whichRange
// get fingerprint just for the range that applies on this date
quint16
Zones::getFingerprint(QDate forDate) const
{
quint64 x = 0;
// which range to apply ?
int i = whichRange(forDate);
if (i >= 0) {
// CP
x += ranges[i].cp;
// FTP
x += ranges[i].ftp;
// W'
x += ranges[i].wprime;
// Pmax
x += ranges[i].pmax;
// each zone definition (manual edit/default changed)
for (int j=0; j<ranges[i].zones.count(); j++) {
x += ranges[i].zones[j].lo;
}
}
QByteArray ba = QByteArray::number(x);
// limits to only zones now as we sport weight separately
return qChecksum(ba, ba.length());
}
开发者ID:JanDeVisser，项目名称:GoldenCheetah，代码行数:32，代码来源:Zones.cpp
示例8: uncompressed
void MTcpSocket::sendPacketInternal(const Mara::MPacket *pPacket)
{
QByteArray data;
bool compressed = pPacket->compressed();
if(compressed)
{
QByteArray uncompressed(*(pPacket->serialize()));
data = qCompress(uncompressed);
qDebug("Compression Ratio: %d/%d", data.size(), uncompressed.size());
}
else
{
data = *(pPacket->serialize());
}
{
QMutexLocker lock(&_mutex);
write(_packetHeaderBytes);
_socketStream << data.length();
_socketStream << pPacket->type();
write(data);
_socketStream << qChecksum(data.constData(), data.length());
_socketStream << compressed;
}
if(pPacket->deleteOnSend()) delete pPacket;
}
开发者ID:Darineth，项目名称:Mara-2，代码行数:31，代码来源:MTcpSocket.cpp
示例9: whichRange
quint16
PaceZones::getFingerprint(QDate forDate) const
{
quint64 x = 0;
int i = whichRange(forDate);
if (i>=0) {
// from
x += ranges[i].begin.toJulianDay();
// to
x += ranges[i].end.toJulianDay();
// CV
x += ranges[i].cv;
// each zone definition (manual edit/default changed)
for (int j=0; j<ranges[i].zones.count(); j++) {
x += ranges[i].zones[j].lo;
}
}
QByteArray ba = QByteArray::number(x);
return qChecksum(ba, ba.length());
}
开发者ID:yarrouye，项目名称:GoldenCheetah，代码行数:26，代码来源:PaceZones.cpp
示例10: while
/* Packets look like this:
quint32 key = 4 bytes
QByteArray data = n bytes
quint16 checksum = 2 bytes */
bool SerialServer::readPacket(QByteArray *packetData)
{
while(1){
QByteArray data;
quint32 key = 0;
quint16 checksum = 0xFFFF;
m_inStream >> key;
if (key == HEADER_KEY) {
m_inStream >> data;
m_inStream >> checksum;
qWarning("data.size()=%d", data.size());
qWarning("checksum=%x", checksum);
if(checksum == qChecksum(data, data.size())) {
*packetData = data;
sendOk();
return true;
}
}
m_inStream.skipRawData(512);
m_inStream.resetStatus();
qWarning("Retry...");
if(m_quit) return false;
}
开发者ID:Craug，项目名称:cbc，代码行数:29，代码来源:SerialServer.cpp
示例11: Q_D
bool QPicturePaintEngine::end()
{
Q_D(QPicturePaintEngine);
#ifdef QT_PICTURE_DEBUG
qDebug() << "QPicturePaintEngine::end()";
#endif
d->pic_d->trecs++;
d->s << (quint8) QPicturePrivate::PdcEnd << (quint8) 0;
int cs_start = sizeof(quint32); // pos of checksum word
int data_start = cs_start + sizeof(quint16);
int brect_start = data_start + 2*sizeof(qint16) + 2*sizeof(quint8);
int pos = d->pic_d->pictb.pos();
d->pic_d->pictb.seek(brect_start);
if (d->pic_d->formatMajor >= 4) { // bounding rectangle
QRect r = static_cast<QPicture *>(d->pdev)->boundingRect();
d->s << (qint32) r.left() << (qint32) r.top() << (qint32) r.width()
<< (qint32) r.height();
}
d->s << (quint32) d->pic_d->trecs; // write number of records
d->pic_d->pictb.seek(cs_start);
QByteArray buf = d->pic_d->pictb.buffer();
quint16 cs = (quint16) qChecksum(buf.constData() + data_start, pos - data_start);
d->s << cs; // write checksum
d->pic_d->pictb.close();
setActive(false);
return true;
}
开发者ID:Nacto1，项目名称:qt-everywhere-opensource-src-4.6.2，代码行数:27，代码来源:qpaintengine_pic.cpp
示例12: qUncompress
void Helpers::restoreBackup(QByteArray& data, const QDir& keystore) {
QByteArray raw = qUncompress(data);
QDataStream totalStream(&raw, QIODevice::ReadOnly);
quint32 allSize;
quint16 crc;
totalStream >> allSize;
totalStream >> crc;
QByteArray all(allSize, '\0');
totalStream >> all;
quint32 segmentSize;
quint16 checkSum = qChecksum(all.data(), all.size());
// do CRC check
if ( crc != checkSum ) {
throw QString("CRC check mismatch: " + QString::number(crc) + " != " + QString::number(checkSum));
} else if ( !totalStream.atEnd() ) {
throw QString("Unexpected data at end of restore stream");
}
QByteArray testnetData;
QDataStream allStream(&all, QIODevice::ReadOnly);
allStream >> segmentSize;
QByteArray settingsData(segmentSize, '\0');
allStream >> settingsData;
allStream >> segmentSize;
QByteArray addressData(segmentSize, '\0');
allStream >> addressData;
if ( !allStream.atEnd() ) { // testnet addresses are present
allStream >> segmentSize;
testnetData = QByteArray(segmentSize, '\0');
allStream >> testnetData;
}
开发者ID:almindor，项目名称:etherwall，代码行数:35，代码来源:helpers.cpp
示例13: qWarning
QByteArray SimpleCrypt::encryptToByteArray(QByteArray plaintext)
{
if (m_keyParts.isEmpty()) {
qWarning() << "No key set.";
m_lastError = ErrorNoKeySet;
return QByteArray();
}
QByteArray ba = plaintext;
CryptoFlags flags = CryptoFlagNone;
if (m_compressionMode == CompressionAlways) {
ba = qCompress(ba, 9); //maximum compression
flags |= CryptoFlagCompression;
} else if (m_compressionMode == CompressionAuto) {
QByteArray compressed = qCompress(ba, 9);
if (compressed.count() < ba.count()) {
ba = compressed;
flags |= CryptoFlagCompression;
}
}
QByteArray integrityProtection;
if (m_protectionMode == ProtectionChecksum) {
flags |= CryptoFlagChecksum;
QDataStream s(&integrityProtection, QIODevice::WriteOnly);
s << qChecksum(ba.constData(), ba.length());
} else if (m_protectionMode == ProtectionHash) {
flags |= CryptoFlagHash;
QCryptographicHash hash(QCryptographicHash::Sha1);
hash.addData(ba);
integrityProtection += hash.result();
}
//prepend a random char to the string
char randomChar = char(qrand() & 0xFF);
ba = randomChar + integrityProtection + ba;
int pos(0);
char lastChar(0);
int cnt = ba.count();
while (pos < cnt) {
ba[pos] = ba.at(pos) ^ m_keyParts.at(pos % 8) ^ lastChar;
lastChar = ba.at(pos);
++pos;
}
QByteArray resultArray;
resultArray.append(char(0x03)); //version for future updates to algorithm
resultArray.append(char(flags)); //encryption flags
resultArray.append(ba);
m_lastError = ErrorNoError;
return resultArray;
}
开发者ID:UDJ，项目名称:UDJ-Desktop-Client，代码行数:59，代码来源:simplecrypt.cpp
示例14: qxt_p
QString QxtConfirmationMessagePrivate::key() const
{
QString value = overrideKey;
if (value.isEmpty())
{
const QString all = qxt_p().windowTitle() + qxt_p().text() + qxt_p().informativeText();
const QByteArray data = all.toLocal8Bit();
value = QString::number(qChecksum(data.constData(), data.length()));
}
return value;
}
开发者ID:mcu786，项目名称:OpenPilot-1，代码行数:11，代码来源:qxtconfirmationmessage.cpp
示例15: qWarning
QByteArray SimpleCrypt::decryptToByteArray(QByteArray cypher)
{
if (m_keyParts.isEmpty()) {
qWarning() << "No key set.";
m_lastError = ErrorNoKeySet;
return QByteArray();
}
if (!cypher.length()) {
m_lastError = ErrorUnknownVersion;
return QByteArray();
}
QByteArray ba = cypher;
char version = ba.at(0);
if (version !=3) { //we only work with version 3
m_lastError = ErrorUnknownVersion;
qWarning() << "Invalid version or not a cyphertext.";
return QByteArray();
}
CryptoFlags flags = CryptoFlags(ba.at(1));
ba = ba.mid(2);
int pos(0);
int cnt(ba.count());
char lastChar = 0;
while (pos < cnt) {
char currentChar = ba[pos];
ba[pos] = ba.at(pos) ^ lastChar ^ m_keyParts.at(pos % 8);
lastChar = currentChar;
++pos;
}
ba = ba.mid(1); //chop off the random number at the start
bool integrityOk(true);
if (flags.testFlag(CryptoFlagChecksum)) {
if (ba.length() < 2) {
m_lastError = ErrorIntegrityFailed;
return QByteArray();
}
quint16 storedChecksum;
{
QDataStream s(&ba, QIODevice::ReadOnly);
s >> storedChecksum;
}
ba = ba.mid(2);
quint16 checksum = qChecksum(ba.constData(), ba.length());
integrityOk = (checksum == storedChecksum);
} else if (flags.testFlag(CryptoFlagHash)) {
开发者ID:binaryking，项目名称:nub，代码行数:54，代码来源:simplecrypt.cpp
示例16: qChecksum
void pAnswer::calculateChecksum(char* _data)
{
union checksum{
short int dig;
char str[2];
};
checksum chksm;
chksm.dig = qChecksum(_data + 2, get_size(_data) + 16 - 2);
for(int i = 0; i < 2; i++)
_data[i] = chksm.str[i];
}
开发者ID:lgosha，项目名称:ssd，代码行数:12，代码来源:udp_panswer.cpp
示例17: array
bool Editor::open ( bool silentMode )
{
bool ret = m_textEdit->open ( silentMode, m_filename, m_lastModified );
QByteArray array ( m_textEdit->toPlainText().toLocal8Bit() );
if ( array.count() ) {
char *ptr = array.data();
quint16 check = qChecksum ( ptr, array.length() );
m_checksum = check;
}
m_timerCheckLastModified.start ( 5000 );
return ret;
}
开发者ID:vdg1，项目名称:cs8-components，代码行数:12，代码来源:editor.cpp
示例18: GetThumbnailFilename
QString GetThumbnailFilename(QString url, QString title)
{
QString fileprefix = GetConfDir();
QDir dir(fileprefix);
if (!dir.exists())
dir.mkdir(fileprefix);
fileprefix += "/cache/netvision-thumbcache";
dir = QDir(fileprefix);
if (!dir.exists())
dir.mkdir(fileprefix);
QString sFilename = QString("%1/%2_%3")
.arg(fileprefix)
.arg(qChecksum(url.toLocal8Bit().constData(),
url.toLocal8Bit().size()))
.arg(qChecksum(title.toLocal8Bit().constData(),
title.toLocal8Bit().size()));
return sFilename;
}
开发者ID:DragonStalker，项目名称:mythtv，代码行数:22，代码来源:netcommon.cpp
示例19: qChecksum
void DLockPacket::updateCrc() {
// setting back to 0 first
char empty = 0x00;
packet.replace(1, 1, &empty, 1);
packet.replace(2, 1, &empty, 1);
// then generating the crc
quint16 crc = qChecksum(packet.constData(), packet.length());
char low = crc;
char high = (crc >> 8) & 0xff;
// finally updating it
packet.replace(1, 1, &high, 1);
packet.replace(2, 1, &low, 1);
}
开发者ID:ludovicbarreca，项目名称:dlockd，代码行数:13，代码来源:DLockPacket.cpp
示例20: qChecksum
void tst_BaselineExample::testDataDrivenChecksum_data()
{
QTest::addColumn<QString>("label");
const int numItems = 5;
const char *tags[numItems] = {"short", "long", "empty", "signs", "html"};
const char *labels[numItems] = {"Ok!", "A really long button text that just does not seem to end", "", "[email protected]#$%^&*()_", "<b>BOLD</b>"};
for (int i = 0; i<numItems; i++) {
quint16 checksum = qChecksum(labels[i], qstrlen(labels[i]));
QBaselineTest::newRow(tags[i], checksum) << labels[i];
}
}
开发者ID:Drakey83，项目名称:steamlink-sdk，代码行数:13，代码来源:tst_baselineexample.cpp
注：本文中的qChecksum函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。 |
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