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MsgPackStream integers pack and unpack

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User types packers now called only once, and return QByteArray
This commit is contained in:
Roman
2015-05-16 21:45:33 +03:00
parent 32b04745ee
commit b7fbf6413e
12 changed files with 530 additions and 107 deletions
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6
src/msgpack.cpp
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@@ -4,6 +4,7 @@
#include "private/pack_p.h"
#include "private/qt_types_p.h"
#include "private/sysdep.h"
#include <QVector>
QVariant MsgPack::unpack(const QByteArray &data)
{
@@ -16,13 +17,14 @@ QVariant MsgPack::unpack(const QByteArray &data)
QByteArray MsgPack::pack(const QVariant &variant)
{
quint8 *p = 0;
quint8 *end = MsgPackPrivate::pack(variant, p, false);
QVector<QByteArray> user_data;
quint8 *end = MsgPackPrivate::pack(variant, p, false, user_data);
quint32 size = end - p;
//qDebug() << "size probe:" << size;
QByteArray arr;
arr.resize(size);
end = MsgPackPrivate::pack(variant, (quint8 *)arr.data(), true);
end = MsgPackPrivate::pack(variant, (quint8 *)arr.data(), true, user_data);
return arr;
}

12
src/msgpack_common.h
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@@ -10,14 +10,14 @@
namespace MsgPack {
/**
* pack some variant to byte array data
* when write == false only calculates and returns size
* when write == true writes bytes to data, and returns the same size
* return type size
* @brief pack user type to byte array data
* @arg variant user type, must be registered first
* @return array with user data only, all other fields will be added automatically
*/
typedef quint32 (*pack_user_f)(const QVariant &variant, QByteArray &data, bool write);
typedef QByteArray (*pack_user_f)(const QVariant &variant);
/**
* unpack user type to QVariant
* @brief unpack user type to QVariant
* @arg data only user data, without size and messagepack type
*/
typedef QVariant (*unpack_user_f)(const QByteArray &data);
/**

34
src/private/pack_p.cpp
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@@ -16,7 +16,7 @@ QHash<QMetaType::Type, MsgPackPrivate::packer_t> MsgPackPrivate::user_packers;
bool MsgPackPrivate::compatibilityMode = false;
QReadWriteLock MsgPackPrivate::packers_lock;
quint8 *MsgPackPrivate::pack(const QVariant &v, quint8 *p, bool wr)
quint8 *MsgPackPrivate::pack(const QVariant &v, quint8 *p, bool wr, QVector<QByteArray> &user_data)
{
QMetaType::Type t = (QMetaType::Type)v.type();
if (t == QMetaType::Int)
@@ -28,7 +28,7 @@ quint8 *MsgPackPrivate::pack(const QVariant &v, quint8 *p, bool wr)
else if (t == QMetaType::QString)
p = pack_string(v.toString(), p, wr);
else if (t == QMetaType::QVariantList)
p = pack_array(v.toList(), p, wr);
p = pack_array(v.toList(), p, wr, user_data);
else if (t == QMetaType::QStringList)
p = pack_stringlist(v.toStringList(), p, wr);
else if (t == QMetaType::LongLong)
@@ -40,7 +40,7 @@ quint8 *MsgPackPrivate::pack(const QVariant &v, quint8 *p, bool wr)
else if (t == QMetaType::QByteArray)
p = pack_bin(v.toByteArray(), p, wr);
else if (t == QMetaType::QVariantMap)
p = pack_map(v.toMap(), p, wr);
p = pack_map(v.toMap(), p, wr, user_data);
else {
if (t == QMetaType::User)
t = (QMetaType::Type)v.userType();
@@ -48,7 +48,7 @@ quint8 *MsgPackPrivate::pack(const QVariant &v, quint8 *p, bool wr)
bool has_packer = user_packers.contains(t);
locker.unlock();
if (has_packer)
p = pack_user(v, p, wr);
p = pack_user(v, p, wr, user_data);
else
qWarning() << "MsgPack::pack can't pack type:" << t;
}
@@ -157,12 +157,12 @@ quint8 *MsgPackPrivate::pack_arraylen(quint32 len, quint8 *p, bool wr)
return p;
}
quint8 *MsgPackPrivate::pack_array(const QVariantList &list, quint8 *p, bool wr)
quint8 *MsgPackPrivate::pack_array(const QVariantList &list, quint8 *p, bool wr, QVector<QByteArray> &user_data)
{
int len = list.length();
p = pack_arraylen(len, p, wr);
foreach (QVariant item, list)
p = pack(item, p, wr);
p = pack(item, p, wr, user_data);
return p;
}
@@ -246,7 +246,7 @@ quint8 *MsgPackPrivate::pack_bin(const QByteArray &arr, quint8 *p, bool wr)
}
quint8 *MsgPackPrivate::pack_map(const QVariantMap &map, quint8 *p, bool wr)
quint8 *MsgPackPrivate::pack_map(const QVariantMap &map, quint8 *p, bool wr, QVector<QByteArray> &user_data)
{
QMapIterator<QString, QVariant> it(map);
int len = 0;
@@ -272,8 +272,8 @@ quint8 *MsgPackPrivate::pack_map(const QVariantMap &map, quint8 *p, bool wr)
it.toFront();
while (it.hasNext()) {
it.next();
p = pack(it.key(), p, wr);
p = pack(it.value(), p, wr);
p = pack(it.key(), p, wr, user_data);
p = pack(it.value(), p, wr, user_data);
}
return p;
}
@@ -296,15 +296,25 @@ bool MsgPackPrivate::register_packer(QMetaType::Type q_type, qint8 msgpack_type,
return true;
}
quint8 *MsgPackPrivate::pack_user(const QVariant &v, quint8 *p, bool wr)
quint8 *MsgPackPrivate::pack_user(const QVariant &v, quint8 *p, bool wr, QVector<QByteArray> &user_data)
{
QMetaType::Type t = (QMetaType::Type)v.type() == QMetaType::User ?
(QMetaType::Type)v.userType() : (QMetaType::Type)v.type();
QByteArray data;
QReadLocker locker(&packers_lock);
packer_t pt = user_packers[t];
locker.unlock();
quint32 len = pt.packer(v, data, wr);
QByteArray data;
if (wr) {
data = user_data.front();
user_data.pop_front();
} else {
data = pt.packer(v);
user_data.push_back(data);
}
quint32 len = data.size();
if (len == 1) {
if (wr) *p = 0xd4;
p++;

8
src/private/pack_p.h
View File

@@ -23,7 +23,7 @@ extern QHash<QMetaType::Type, packer_t> user_packers;
extern QReadWriteLock packers_lock;
extern bool compatibilityMode;
quint8 * pack(const QVariant &v, quint8 *p, bool wr);
quint8 * pack(const QVariant &v, quint8 *p, bool wr, QVector<QByteArray> &user_data);
quint8 * pack_int(qint32 i, quint8 *p, bool wr);
quint8 * pack_uint(quint32 i, quint8 *p, bool wr);
@@ -33,14 +33,14 @@ quint8 * pack_ulonglong(quint64 i, quint8 *p, bool wr);
quint8 * pack_bool(const QVariant &v, quint8 *p, bool wr);
quint8 * pack_arraylen(quint32 len, quint8 *p, bool wr);
quint8 * pack_array(const QVariantList &list, quint8 *p, bool wr);
quint8 * pack_array(const QVariantList &list, quint8 *p, bool wr, QVector<QByteArray> &user_data);
quint8 * pack_stringlist(const QStringList &list, quint8 *p, bool wr);
quint8 * pack_string(const QString &str, quint8 *p, bool wr);
quint8 * pack_double(double i, quint8 *p, bool wr);
quint8 * pack_bin(const QByteArray &arr, quint8 *p, bool wr);
quint8 * pack_map(const QVariantMap &map, quint8 *p, bool wr);
quint8 * pack_user(const QVariant &v, quint8 *p, bool wr);
quint8 * pack_map(const QVariantMap &map, quint8 *p, bool wr, QVector<QByteArray> &user_data);
quint8 * pack_user(const QVariant &v, quint8 *p, bool wr, QVector<QByteArray> &user_data);
}
#endif // PACK_P_H

79
src/private/qt_types_p.cpp
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@@ -46,18 +46,17 @@ bool MsgPackPrivate::register_qtype(QMetaType::Type q_type, quint8 msgpack_type)
}
#ifdef QT_GUI_LIB
quint32 MsgPackPrivate::pack_qcolor(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qcolor(const QVariant &variant)
{
if (write) {
QColor color = variant.value<QColor>();
data.resize(4);
quint8 *p = (quint8 *)data.data();
p[0] = color.red();
p[1] = color.green();
p[2] = color.blue();
p[3] = color.alpha();
}
return 4; // 4 bytes: r,g,b,a
QByteArray data;
data.resize(4);
QColor color = variant.value<QColor>();
quint8 *p = (quint8 *)data.data();
p[0] = color.red();
p[1] = color.green();
p[2] = color.blue();
p[3] = color.alpha();
return data;
}
QVariant MsgPackPrivate::unpack_qcolor(const QByteArray &data)
@@ -96,15 +95,14 @@ QTime MsgPackPrivate::unpack_qtime_raw(quint8 *p, bool with_ms)
return QTime(h, m, s, ms);
}
quint32 MsgPackPrivate::pack_qtime(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qtime(const QVariant &variant)
{
QTime time = variant.toTime();
quint8 size = time.msec() == 0 ? 2 : 4;
if (write) {
data.resize(size);
pack_qtime_raw(time, (quint8 *)data.data());
}
return size;
QByteArray data;
data.resize(size);
pack_qtime_raw(time, (quint8 *)data.data());
return data;
}
QVariant MsgPackPrivate::unpack_qtime(const QByteArray &data)
@@ -134,13 +132,12 @@ QDate MsgPackPrivate::unpack_qdate_raw(quint8 *p)
return QDate(year, month, day);
}
quint32 MsgPackPrivate::pack_qdate(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qdate(const QVariant &variant)
{
if (write) {
data.resize(3);
pack_qdate_raw(variant.toDate(), (quint8 *)data.data());
}
return 3;
QByteArray data;
data.resize(3);
pack_qdate_raw(variant.toDate(), (quint8 *)data.data());
return data;
}
QVariant MsgPackPrivate::unpack_qdate(const QByteArray &data)
@@ -148,18 +145,17 @@ QVariant MsgPackPrivate::unpack_qdate(const QByteArray &data)
return unpack_qdate_raw((quint8 *)data.data());
}
quint32 MsgPackPrivate::pack_qdatetime(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qdatetime(const QVariant &variant)
{
QDateTime dt = variant.toDateTime();
quint8 time_size = dt.time().msec() == 0 ? 2 : 4;
if (write) {
data.resize(3 + time_size);
quint8 *p = (quint8 *)data.data();
pack_qdate_raw(dt.date(), p);
p += 3;
pack_qtime_raw(dt.time(), p);
}
return 3 + time_size; // 3 for date, 4 for time
QByteArray data;
data.resize(3 + time_size);
quint8 *p = (quint8 *)data.data();
pack_qdate_raw(dt.date(), p);
p += 3;
pack_qtime_raw(dt.time(), p);
return data;
}
QVariant MsgPackPrivate::unpack_qdatetime(const QByteArray &data)
@@ -171,20 +167,7 @@ QVariant MsgPackPrivate::unpack_qdatetime(const QByteArray &data)
}
// Points and Vectors
quint8 MsgPackPrivate::pack_two_integers(qint32 a, qint32 b, quint8 *to, bool write)
{
quint8 *p = 0;
p = MsgPackPrivate::pack_int(a, p, false);
p = MsgPackPrivate::pack_int(b, p, false);
quint8 size = p - (quint8 *)0;
if (write) {
to = MsgPackPrivate::pack_int(a, to, true);
MsgPackPrivate::pack_int(b, to, true);
}
return size;
}
quint32 MsgPackPrivate::pack_qpoint(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qpoint(const QVariant &variant)
{
// QPoint pt = variant.toPoint();
// quint8 size = pack_two_integers(pt.x(), pt.y(), 0, false);
@@ -208,7 +191,7 @@ QVariant MsgPackPrivate::unpack_qpoint(const QByteArray &data)
// return pt;
}
quint32 MsgPackPrivate::pack_qsize(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qsize(const QVariant &variant)
{
// QSize sz = variant.toSize();
// quint8 size = pack_two_integers(sz.width(), sz.height(), 0, false);
@@ -232,7 +215,7 @@ QVariant MsgPackPrivate::unpack_qsize(const QByteArray &data)
// return sz;
}
quint32 MsgPackPrivate::pack_qrect(const QVariant &variant, QByteArray &data, bool write)
QByteArray MsgPackPrivate::pack_qrect(const QVariant &variant)
{
// QRect rect = variant.toRect();
// QPoint pt1 = rect.topLeft();

15
src/private/qt_types_p.h
View File

@@ -9,7 +9,7 @@ namespace MsgPackPrivate
bool register_qtype(QMetaType::Type q_type, quint8 msgpack_type);
#ifdef QT_GUI_LIB
quint32 pack_qcolor(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qcolor(const QVariant &variant);
QVariant unpack_qcolor(const QByteArray &data);
#endif //QT_GUI_LIB
@@ -28,7 +28,7 @@ void pack_qtime_raw(const QTime &time, quint8 *p); // return 2 - without ms, 4 w
* @return QTime
*/
QTime unpack_qtime_raw(quint8 *p, bool with_ms);
quint32 pack_qtime(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qtime(const QVariant &variant);
QVariant unpack_qtime(const QByteArray &data);
/**
@@ -40,19 +40,18 @@ QVariant unpack_qtime(const QByteArray &data);
void pack_qdate_raw(const QDate &date, quint8 *p);
/// @brief internal: unpack bytes to QDate
QDate unpack_qdate_raw(quint8 *p);
quint32 pack_qdate(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qdate(const QVariant &variant);
QVariant unpack_qdate(const QByteArray &data);
quint32 pack_qdatetime(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qdatetime(const QVariant &variant);
QVariant unpack_qdatetime(const QByteArray &data);
// Points and Vectors
quint8 pack_two_integers(qint32 a, qint32 b, quint8 *to, bool write);
quint32 pack_qpoint(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qpoint(const QVariant &variant);
QVariant unpack_qpoint(const QByteArray &data);
quint32 pack_qsize(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qsize(const QVariant &variant);
QVariant unpack_qsize(const QByteArray &data);
quint32 pack_qrect(const QVariant &variant, QByteArray &data, bool write);
QByteArray pack_qrect(const QVariant &variant);
QVariant unpack_qrect(const QByteArray &data);
} // MsgPackPrivate

291
src/stream.cpp
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@@ -3,6 +3,7 @@
#include "private/sysdep.h"
#include "private/pack_p.h"
#include "msgpack_common.h"
#include <limits>
#include <QDebug>
#undef CHECK_STREAM_PRECOND
@@ -106,35 +107,98 @@ MsgPackStream &MsgPackStream::operator>>(bool &b)
MsgPackStream &MsgPackStream::operator >>(quint8 &u8)
{
CHECK_STREAM_PRECOND(*this)
char c;
if (!dev->getChar(&c)) {
u8 = 0;
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
} else {
u8 = quint8(c);
return *this;
}
unpack_upto_quint8(u8, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(quint16 &u16)
{
CHECK_STREAM_PRECOND(*this);
quint8 p[3];
if (dev->read((char *)p, 3) != 3) {
u16 = 0;
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
} else {
if (p[0] != MsgPack::FirstByte::UINT16)
setStatus(ReadCorruptData);
u16 = _msgpack_load16(quint16, (p + 1));
return *this;
}
unpack_upto_quint16(u16, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(quint32 &u32)
{
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
return *this;
}
unpack_upto_quint32(u32, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(quint64 &u64)
{
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
return *this;
}
unpack_upto_quint64(u64, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(qint8 &i8)
{
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
return *this;
}
unpack_upto_qint8(i8, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(qint16 &i16)
{
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
return *this;
}
unpack_upto_qint16(i16, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(qint32 &i32)
{
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
return *this;
}
unpack_upto_qint32(i32, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(qint64 &i64)
{
CHECK_STREAM_PRECOND(*this);
quint8 p;
if (dev->read((char *)&p, 1) != 1) {
setStatus(ReadPastEnd);
return *this;
}
unpack_upto_qint64(i64, &p);
return *this;
}
MsgPackStream &MsgPackStream::operator>>(QString &str)
@@ -179,7 +243,17 @@ MsgPackStream &MsgPackStream::operator<<(quint32 u32)
CHECK_STREAM_WRITE_PRECOND(*this);
quint8 p[5];
quint8 sz = MsgPackPrivate::pack_uint(u32, p, true) - p;
if (!dev->write((char *)p, sz) != sz)
if (dev->write((char *)p, sz) != sz)
setStatus(WriteFailed);
return *this;
}
MsgPackStream &MsgPackStream::operator<<(quint64 u64)
{
CHECK_STREAM_WRITE_PRECOND(*this);
quint8 p[9];
quint8 sz = MsgPackPrivate::pack_ulonglong(u64, p, true) - p;
if (dev->write((char *)p, sz) != sz)
setStatus(WriteFailed);
return *this;
}
@@ -188,8 +262,18 @@ MsgPackStream &MsgPackStream::operator<<(qint32 i32)
{
CHECK_STREAM_WRITE_PRECOND(*this);
quint8 p[5];
quint8 sz = MsgPackPrivate::pack_uint(i32, p, true) - p;
if (!dev->write((char *)p, sz) != sz)
quint8 sz = MsgPackPrivate::pack_int(i32, p, true) - p;
if (dev->write((char *)p, sz) != sz)
setStatus(WriteFailed);
return *this;
}
MsgPackStream &MsgPackStream::operator<<(qint64 i64)
{
CHECK_STREAM_WRITE_PRECOND(*this);
quint8 p[9];
quint8 sz = MsgPackPrivate::pack_longlong(i64, p, true) - p;
if (dev->write((char *)p, sz) != sz)
setStatus(WriteFailed);
return *this;
}
@@ -200,7 +284,8 @@ MsgPackStream &MsgPackStream::operator<<(QString str)
quint8 *p = (quint8 *)0;
quint32 sz = MsgPackPrivate::pack_string(str, p, false) - p;
quint8 *data = new quint8[sz];
MsgPackPrivate::pack(str, data, true);
QVector<QByteArray> user_data;
MsgPackPrivate::pack(str, data, true, user_data);
if (dev->write((char *)data, sz) != sz)
setStatus(WriteFailed);
delete[] data;
@@ -211,3 +296,175 @@ MsgPackStream &MsgPackStream::operator<<(const char *str)
{
}
bool MsgPackStream::unpack_upto_quint8(quint8 &u8, quint8 *p)
{
if (*p <= MsgPack::FirstByte::POSITIVE_FIXINT) {
u8 = *p;
} else if (*p == MsgPack::FirstByte::UINT8) {
if (dev->read((char* )&u8, 1) != 1) {
setStatus(ReadPastEnd);
return false;
}
} else {
setStatus(ReadCorruptData);
return false;
}
return true;
}
bool MsgPackStream::unpack_upto_quint16(quint16 &u16, quint8 *p)
{
if (*p == MsgPack::FirstByte::UINT16) {
quint8 d[2];
if (dev->read((char *)d, 2) != 2) {
setStatus(ReadPastEnd);
return false;
}
u16 = _msgpack_load16(quint16, d);
} else {
quint8 u8;
bool ok = unpack_upto_quint8(u8, p);
u16 = u8;
return ok;
}
}
bool MsgPackStream::unpack_upto_quint32(quint32 &u32, quint8 *p)
{
if (*p == MsgPack::FirstByte::UINT32) {
quint8 d[4];
if (dev->read((char *)d, 4) != 4) {
setStatus(ReadPastEnd);
return false;
}
u32 = _msgpack_load32(quint32, d);
return true;
} else {
quint16 u16;
bool ok = unpack_upto_quint16(u16, p);
u32 = u16;
return ok;
}
}
bool MsgPackStream::unpack_upto_quint64(quint64 &u64, quint8 *p)
{
if (*p == MsgPack::FirstByte::UINT64) {
quint8 d[8];
if (dev->read((char *)d, 8) != 8) {
setStatus(ReadPastEnd);
return false;
}
u64 = _msgpack_load64(quint64, d);
return true;
} else {
quint32 u32;
bool ok = unpack_upto_quint32(u32, p);
u64 = u32;
return ok;
}
}
bool MsgPackStream::unpack_upto_qint8(qint8 &i8, quint8 *p)
{
if (*p >= MsgPack::FirstByte::NEGATIVE_FIXINT) {
i8 = *p;
} else if (*p == MsgPack::FirstByte::INT8) {
if (dev->read((char *)&i8, 1) != 1) {
setStatus(ReadPastEnd);
return false;
}
} else {
quint8 u8;
bool ok = unpack_upto_quint8(u8, p);
if (u8 > std::numeric_limits<qint8>::max())
setStatus(ReadCorruptData);
else
i8 = u8;
return ok;
}
return true;
}
bool MsgPackStream::unpack_upto_qint16(qint16 &i16, quint8 *p)
{
if (*p == MsgPack::FirstByte::INT16) {
quint8 d[2];
if (dev->read((char *)d, 2) != 2) {
setStatus(ReadPastEnd);
return false;
}
i16 = _msgpack_load16(qint16, d);
return true;
} else {
qint8 i8;
bool ok = unpack_upto_qint8(i8, p);
if (ok) {
i16 = i8;
} else {
quint16 u16;
bool ok = unpack_upto_quint16(u16, p);
if (u16 <= std::numeric_limits<qint16>::max())
i16 = u16;
else
setStatus(ReadCorruptData);
return ok;
}
}
}
bool MsgPackStream::unpack_upto_qint32(qint32 &i32, quint8 *p)
{
if(*p == MsgPack::FirstByte::INT32) {
quint8 d[4];
if (dev->read((char *)d, 4) != 4) {
setStatus(ReadPastEnd);
return false;
}
i32 = _msgpack_load32(qint32, d);
return true;
} else {
qint16 i16;
bool ok = unpack_upto_qint16(i16, p);
if (ok) {
i32 = i16;
} else {
quint32 u32;
bool ok = unpack_upto_quint32(u32, p);
if (u32 <= std::numeric_limits<qint32>::max())
i32 = u32;
else
setStatus(ReadCorruptData);
return ok;
}
}
}
bool MsgPackStream::unpack_upto_qint64(qint64 &i64, quint8 *p)
{
if(*p == MsgPack::FirstByte::INT64) {
quint8 d[8];
if (dev->read((char *)d, 8) != 8) {
setStatus(ReadPastEnd);
return false;
}
i64 = _msgpack_load64(qint64, d);
return true;
} else {
qint32 i32;
bool ok = unpack_upto_qint32(i32, p);
if (ok) {
i64 = i32;
} else {
quint64 u64;
bool ok = unpack_upto_quint64(u64, p);
if (u64 <= std::numeric_limits<qint64>::max())
i64 = u64;
else
setStatus(ReadCorruptData);
return ok;
}
}
}

9
src/stream.h
View File

@@ -58,6 +58,15 @@ private:
Status q_status;
MsgPackStream &operator<<(const char *str); // use QStringLiteral instead
bool unpack_upto_quint8(quint8 &u8, quint8 *p);
bool unpack_upto_quint16(quint16 &u16, quint8 *p);
bool unpack_upto_quint32(quint32 &u32, quint8 *p);
bool unpack_upto_quint64(quint64 &u64, quint8 *p);
bool unpack_upto_qint8(qint8 &i8, quint8 *p);
bool unpack_upto_qint16(qint16 &i16, quint8 *p);
bool unpack_upto_qint32(qint32 &i32, quint8 *p);
bool unpack_upto_qint64(qint64 &i64, quint8 *p);
};
#endif // STREAM_H

2
tests/CMakeLists.txt
View File

@@ -8,7 +8,7 @@ if (Qt5Core_FOUND)
set(TEST_LIBRARIES ${Qt5Test_LIBRARIES})
endif ()
set(TEST_SUBDIRS pack unpack mixed qttypes)
set(TEST_SUBDIRS pack unpack mixed qttypes stream)
foreach(subdir ${TEST_SUBDIRS})
add_subdirectory(${subdir})

16
tests/mixed/mixed_test.cpp
View File

@@ -66,17 +66,15 @@ private:
Q_DECLARE_METATYPE(CustomType)
quint32 pack_custom_type(const QVariant &variant, QByteArray &data, bool write)
QByteArray pack_custom_type(const QVariant &variant)
{
CustomType ct = variant.value<CustomType>();
if (write) {
data.resize(ct.size());
quint8 *p = (quint8 *)data.data();
for (int i = 0; i < ct.size(); ++i)
p[i] = 7;
}
return ct.size();
QByteArray data;
data.resize(ct.size());
quint8 *p = (quint8 *)data.data();
for (int i = 0; i < ct.size(); ++i)
p[i] = 7;
return data;
}
QVariant unpack_custom_type(const QByteArray &data)

24
tests/stream/CMakeLists.txt Normal file
View File

@@ -0,0 +1,24 @@
set(QT_USE_QTTEST TRUE)
if (NOT Qt5Core_FOUND)
include( ${QT_USE_FILE} )
endif()
include(AddFileDependencies)
include_directories(../../src ${CMAKE_CURRENT_BINARY_DIR})
set(UNIT_TESTS stream_test)
foreach(test ${UNIT_TESTS})
message(status "Building ${test}")
add_executable(${test} ${test}.cpp)
target_link_libraries(${test}
${QT_LIBRARIES}
${TEST_LIBRARIES}
qmsgpack
)
add_test(${test} ${test})
endforeach()

141
tests/stream/stream_test.cpp Normal file
View File

@@ -0,0 +1,141 @@
#include <QString>
#include <QtTest>
#include <QDebug>
#include <stream.h>
#include <msgpack.h>
#include <limits>
class StreamTest : public QObject
{
Q_OBJECT
private Q_SLOTS:
void test_unpack_integers();
void test_pack_integers();
};
void StreamTest::test_unpack_integers()
{
QByteArray ints = QByteArray::fromBase64("AH//4cyAzP/Q39CAzQEAzf//0f9/0YAAz"
"gABAADO/////9L//3//0oAAAADPAAAAAQ"
"AAAADP///////////T/////3/////TgAA"
"AAAAAAAA=");
MsgPackStream stream(ints);
quint8 u8;
quint16 u16;
quint32 u32;
quint64 u64;
qint8 i8;
qint16 i16;
qint32 i32;
qint64 i64;
stream >> u8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u8 == 0);
stream >> u8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u8 == 127);
stream >> i8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i8 == -1);
stream >> i8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i8 == -31);
stream >> u8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u8 == 128);
stream >> u8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u8 == 255);
stream >> i8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i8 == -33);
stream >> i8;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i8 == -128);
stream >> u16;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u16 == 256);
stream >> u32;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u32 == 65535);
stream >> i16;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i16 == -129);
stream >> i16;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i16 == -32768);
stream >> u32;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u32 == 65536);
stream >> u32;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u32 == 4294967295);
stream >> i32;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i32 == -32769);
stream >> i32;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i32 == -2147483648);
stream >> u64;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u64 == 4294967296);
stream >> u64;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(u64 == std::numeric_limits<quint64>::max());
stream >> i64;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i64 == -2147483649);
stream >> i64;
QVERIFY(stream.status() == MsgPackStream::Ok);
QVERIFY(i64 == std::numeric_limits<qint64>::min());
}
void StreamTest::test_pack_integers()
{
QByteArray packed;
MsgPackStream stream(&packed, QIODevice::WriteOnly);
stream << 0 << 127 << -1 << -31 << 128 << 255 << -33 << -128 << 256;
QVERIFY(stream.status() == MsgPackStream::Ok);
stream << 65535 << -129 << -32768 << 65536;
QVERIFY(stream.status() == MsgPackStream::Ok);
stream << (quint32)4294967295 << -32769 << (qint32)-2147483648;
QVERIFY(stream.status() == MsgPackStream::Ok);
stream << (quint64)4294967296;
QVERIFY(stream.status() == MsgPackStream::Ok);
stream << std::numeric_limits<quint64>::max();
QVERIFY(stream.status() == MsgPackStream::Ok);
stream << (qint64)-2147483649;
QVERIFY(stream.status() == MsgPackStream::Ok);
stream << std::numeric_limits<qint64>::min();
QVERIFY(stream.status() == MsgPackStream::Ok);
QVariantList l = MsgPack::unpack(packed).toList();
QVERIFY(l[0].toInt() == 0);
QVERIFY(l[1].toInt() == 127);
QVERIFY(l[2].toInt() == -1);
QVERIFY(l[3].toInt() == -31);
QVERIFY(l[4].toInt() == 128);
QVERIFY(l[5].toInt() == 255);
QVERIFY(l[6].toInt() == -33);
QVERIFY(l[7].toInt() == -128);
QVERIFY(l[8].toInt() == 256);
QVERIFY(l[9].toInt() == 65535);
QVERIFY(l[10].toInt() == -129);
QVERIFY(l[11].toInt() == -32768);
QVERIFY(l[12].toInt() == 65536);
QVERIFY(l[13].toUInt() == 4294967295);
QVERIFY(l[14].toInt() == -32769);
QVERIFY(l[15].toInt() == -2147483648);
QVERIFY(l[16].toLongLong() == 4294967296);
QVERIFY(l[17].toULongLong() == std::numeric_limits<quint64>::max());
QVERIFY(l[18].toLongLong() == -2147483649);
QVERIFY(l[19].toLongLong() == std::numeric_limits<qint64>::min());
}
QTEST_APPLESS_MAIN(StreamTest)
#include "stream_test.moc"