ledok

LedOK/gutil/cu.cpp

@@ -0,0 +1,2 @@
+//#include "cu.h"
+

LedOK/gutil/cu.h

@@ -0,0 +1,221 @@
+#ifndef CU_H
+#define CU_H
+
+#include <chrono>
+#include <memory>
+#include <unordered_map>
+
+inline long long steady_milli() {
+    return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
+}
+inline long long system_milli() {
+    return std::chrono::duration_cast<std::chrono::milliseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+}
+inline long long steady_micro() {
+    return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::steady_clock::now().time_since_epoch()).count();
+}
+inline long long system_micro() {
+    return std::chrono::duration_cast<std::chrono::microseconds>(std::chrono::system_clock::now().time_since_epoch()).count();
+}
+
+
+template <class T>
+struct SharedData {
+    T data;
+    uint64_t cnt{1};
+};
+template <class T>
+class SharedPtr {
+public:
+    SharedPtr(SharedData<T> *ptr = 0) : ptr{ptr} {}
+    SharedPtr(const SharedPtr &other) : ptr{other.ptr} {
+        if(ptr) ptr->cnt++;
+    }
+    ~SharedPtr() {
+        if(ptr==0) return;
+        if(ptr->cnt > 1) ptr->cnt--;
+        else delete ptr;
+    }
+
+    bool isNull() {return ptr==0;}
+    SharedPtr &operator=(const SharedPtr &other) {
+        this->~SharedPtr();
+        new (this) SharedPtr(other);
+        return *this;
+    }
+
+    T &operator*() {
+        if(ptr==0) ptr = new SharedData<T>;
+        return ptr->data;
+    }
+    T *operator->() {
+        if(ptr==0) ptr = new SharedData<T>;
+        return &ptr->data;
+    }
+    const T &operator*() const {
+        return ptr->data;
+    }
+    const T *operator->() const {
+        return &ptr->data;
+    }
+    SharedData<T> *ptr{0};
+};
+
+
+template <class V>
+class Vector : public SharedPtr<std::vector<V>> {
+public:
+    using SharedPtr<std::vector<V>>::SharedPtr;
+
+    using iterator       = std::_Vector_iterator<std::_Vector_val<std::_Simple_types<V>>>;
+    using const_iterator = std::_Vector_const_iterator<std::_Vector_val<std::_Simple_types<V>>>;
+
+    Vector(std::initializer_list<V> _Ilist) {
+        this->ptr = new SharedData<std::vector<V>>{_Ilist, 1};
+    }
+
+    bool empty() const noexcept {
+        return this->ptr ? this->ptr->data.empty() : true;
+    }
+    uint64_t size() const noexcept {
+        return this->ptr ? this->ptr->data.size() : 0;
+    }
+    Vector &append(const V &val) {
+        (**this).push_back(val);
+        return *this;
+    }
+    V &operator[](const uint64_t pos) noexcept {
+        return (**this)[pos];
+    }
+    const V &operator[](const uint64_t pos) const noexcept {
+        return this->ptr ? this->ptr->data[pos] : V();
+    }
+    const const_iterator begin() const noexcept {
+        return this->ptr ? this->ptr->data.begin() : const_iterator();
+    }
+    const const_iterator end() const noexcept {
+        return this->ptr ? this->ptr->data.end() : const_iterator();
+    }
+};
+
+
+struct NodeBase {
+    NodeBase *next{this};
+    NodeBase *prev{this};
+};
+template <class V>
+struct _Node : NodeBase {
+    V value;
+    ~_Node() {
+        if(next) delete (_Node<V>*) next;
+    }
+};
+
+template <class V>
+class LinkedMapIterator {
+public:
+    LinkedMapIterator(_Node<V> *node) : node(node) {}
+    bool operator==(const LinkedMapIterator& that) const {
+        return node == that.node;
+    }
+    bool operator!=(const LinkedMapIterator& that) const {
+        return node != that.node;
+    }
+    LinkedMapIterator& operator++() {
+        node = (_Node<V>*) node->next;
+        return *this;
+    }
+    LinkedMapIterator& operator--() {
+        node = (_Node<V>*) node->prev;
+        return *this;
+    }
+    V &operator*() const {
+        return node->value;
+    }
+    V *operator->() const {
+        return &node->value;
+    }
+    _Node<V> *node{0};
+};
+
+template <class K, class V>
+struct LinkedMapPri : NodeBase {
+    std::unordered_map<K, _Node<std::pair<K, V>>*> map;
+    uint64_t cnt{1};
+    ~LinkedMapPri() {
+        if(prev) prev->next = 0;
+        if(next) delete (_Node<std::pair<K, V>>*) next;
+    }
+};
+template <class K, class V>
+class LinkedMap {
+public:
+    using Node = _Node<std::pair<K, V>>;
+
+    using iterator       = LinkedMapIterator<std::pair<K, V>>;
+    using const_iterator = LinkedMapIterator<std::pair<K, V>>;
+
+    LinkedMap() {}
+    LinkedMap(std::initializer_list<std::pair<K, V>> pairs) : _pri{new LinkedMapPri<K, V>} {
+        for(auto pair : pairs) insert(pair.first, pair.second);
+    }
+    LinkedMap(std::unordered_map<K, Node*> &&map) : _pri{new LinkedMapPri<K, V>{0, 0, map}} {
+        _pri->next = _pri->prev = _pri;
+    }
+    LinkedMap(const LinkedMap &other) : _pri{other._pri} {
+        if(_pri) _pri->cnt++;
+    }
+    ~LinkedMap() {
+        if(_pri==0) return;
+        if(_pri->cnt > 1) _pri->cnt--;
+        else delete _pri;
+    }
+
+    LinkedMap &operator=(const LinkedMap &other) {
+        this->~LinkedMap();
+        new (this) LinkedMap(other);
+        return *this;
+    }
+    const V operator[](const K &k) const {
+        if(_pri==0) return V();
+        auto it = _pri->map.find(k);
+        if(it==_pri->map.end()) return V();
+        return it->second->value.second;
+    }
+    LinkedMap &insert(const K &k, const V &v) {
+        if(_pri==0) _pri = new LinkedMapPri<K, V>;
+        auto pair = _pri->map.emplace(k, nullptr);
+        if(pair.second) {
+            auto node = new Node{_pri, _pri->prev, {k, v}};
+            _pri->prev->next = node;
+            _pri->prev = node;
+            pair.first->second = node;
+        } else pair.first->second->value.second = v;
+        return *this;
+    }
+    void erase(const K& k) {
+        if(_pri==0) return;
+        auto it = _pri->map.find(k);
+        if(it==_pri->map.end()) return;
+        auto node = it->second;
+        _pri->map.erase(it);
+        node->prev->next = node->next;
+        node->next->prev = node->prev;
+        node->next = 0;
+        node->prev = 0;
+        delete node;
+    }
+    inline bool empty() const {
+        return _pri==0 || _pri->map.empty();
+    }
+
+    const_iterator begin() const {
+        return const_iterator((Node*) (_pri ? _pri->next : 0));
+    }
+    const_iterator end() const {
+        return const_iterator((Node*) _pri);
+    }
+    LinkedMapPri<K, V> *_pri{0};
+};
+
+#endif // CU_H

LedOK/gutil/qgui.h

@@ -62,17 +62,13 @@ public:
     inline VBox(QBoxLayout *parent) : QBoxLayout(TopToBottom) {
         parent->addLayout(this);
     };
-    inline VBox(QStackedLayout *parent) : QBoxLayout(TopToBottom) {
+    inline VBox(QStackedLayout *stack) : QBoxLayout(TopToBottom, new QWidget) {
+        stack->addWidget(parentWidget());
         setContentsMargins(0,0,0,0);
-        auto wgt = new QWidget;
-        wgt->setLayout(this);
-        parent->addWidget(wgt);
     };
-    inline VBox(QSplitter *parent) : QBoxLayout(TopToBottom) {
+    inline VBox(QSplitter *splitter) : QBoxLayout(TopToBottom, new QWidget) {
+        splitter->addWidget(parentWidget());
         setContentsMargins(0,0,0,0);
-        auto wgt = new QWidget;
-        wgt->setLayout(this);
-        parent->addWidget(wgt);
     };
     inline QLabel *addLabel(const QString &text) {
         auto lb = new QLabel(text);
@@ -86,17 +82,13 @@ public:
     inline HBox(QBoxLayout *parent) : QBoxLayout(LeftToRight) {
         parent->addLayout(this);
     };
-    inline HBox(QStackedLayout *parent) : QBoxLayout(LeftToRight) {
+    inline HBox(QStackedLayout *stack) : QBoxLayout(LeftToRight, new QWidget) {
+        stack->addWidget(parentWidget());
         setContentsMargins(0,0,0,0);
-        auto wgt = new QWidget;
-        wgt->setLayout(this);
-        parent->addWidget(wgt);
     };
-    inline HBox(QSplitter *parent) : QBoxLayout(LeftToRight) {
+    inline HBox(QSplitter *splitter) : QBoxLayout(LeftToRight, new QWidget) {
+        splitter->addWidget(parentWidget());
         setContentsMargins(0,0,0,0);
-        auto wgt = new QWidget;
-        wgt->setLayout(this);
-        parent->addWidget(wgt);
     };
     inline QLabel *addLabel(const QString &text) {
         auto lb = new QLabel(text);
@@ -110,11 +102,17 @@ public:
     inline Grid(QBoxLayout *parent) {
         parent->addLayout(this);
     };
-    inline Grid(QStackedLayout *parent) {
+    inline Grid(QStackedLayout *stack) : QGridLayout(new QWidget) {
-        auto wgt = new QWidget;
+        stack->addWidget(parentWidget());
-        wgt->setLayout(this);
-        parent->addWidget(wgt);
     };
+    inline Grid(QSplitter *splitter) : QGridLayout(new QWidget) {
+        splitter->addWidget(parentWidget());
+    };
+    inline QLabel *addLabel(const QString &text) {
+        auto lb = new QLabel(text);
+        addWidget(lb);
+        return lb;
+    }
 };
 
 class ListWgt : public QListWidget {

LedOK/gutil/qjson.cpp

@@ -0,0 +1,183 @@
+#include "qjson.h"
+
+inline QChar readOne(QTextStream &in) {
+    QChar ch;
+    in >> ch;
+    return ch;
+}
+JValue JParser::readValue() {
+    if(ch=='{') {
+        JObj obj;
+        while(true) {
+            do skipSpace(); //ch有三种可能
+            while(ch==',');
+            if(ch=='}') return obj;
+            QString key;
+            if(ch == '"') key = readStr();
+            else if(ch!='n' || in.read(3)!="ull") throw QString("Unexpected char ")+ch+" (code "+ch+"): was expecting double-quote to start field name or null";
+            skipSpace();
+            if(ch != ':') throw QString("Unexpected char ")+ch+" (code "+ch+"): was expecting a colon to separate field name and value";
+            skipSpace();
+            obj.insert(key, readValue());
+            skipSpace(); //ch有两种可能
+            if(ch=='}') return obj;
+            if(ch!=',') throw QString("Unexpected char ")+ch+"' (code "+ch+"): was expecting } to end Object or comma to separate Object entries";
+        }
+    }
+    if(ch=='[')  {
+        JArray list;
+        while(true) {
+            do skipSpace(); //ch有三种可能
+            while(ch==',');
+            if(ch==']') return list;
+            list->push_back(readValue());
+            skipSpace(); //ch有两种可能
+            if(ch==']') return list;
+            if(ch!=',') throw QString("Unexpected char ")+ch+" (code "+ch+"): was expecting ] to end Array or comma to separate Array entries";
+        }
+    }
+    if(ch=='"') return readStr();
+    if((ch>='0' && ch<='9') || ch=='-') {
+        QString buf;
+        buf += ch;
+        bool isInt = true;
+        while(0 != (ch = readOne(in))) {
+            if((ch>'*' && ch<':' && ch!=',' && ch!='/') || ch=='e' || ch=='E') {
+                buf.append(ch);
+                if(isInt && ch=='.') isInt = false;
+            } else {
+                bk = ch;
+                break;
+            }
+        }
+        bool ok;
+        if(isInt) {
+            auto num = buf.toLongLong(&ok);
+            if(! ok) throw "Illegal number: "+buf;
+            return num;
+        } else {
+            auto num = buf.toDouble(&ok);
+            if(! ok) throw "Illegal number: "+buf;
+            return num;
+        }
+    }
+    if(ch=='n') {
+        if(in.read(3)=="ull") return JValue();
+        else throw "Unexpected char n: expected null";
+    }
+    if(ch=='t') {
+        if(in.read(3)=="rue") return true;
+        else throw "Unexpected char t: expected true";
+    }
+    if(ch=='f') {
+        if(in.read(4)=="alse") return false;
+        else throw "Unexpected char f: expected false";
+    }
+    throw QString("Unexpected char ")+ch+" (code "+ch+"): expected {}, [], \"string\", number, null, true or false";
+}
+QString JParser::readStr() {
+    QString buf;
+    while((ch = readOne(in)) != '"') {
+        if(ch==0) throw "Unexpected end-of-input: was expecting closing quote for string";
+        if(ch=='\\') {
+            in>>ch;
+            if(ch==0) throw "Unexpected end-of-input in char escape sequence";
+            if(ch=='"' || ch=='\\' || ch=='/') buf.append(ch);
+            else if(ch=='n') buf.append('\n');
+            else if(ch=='r') buf.append('\r');
+            else if(ch=='t') buf.append('\t');
+            else if(ch=='f') buf.append('\f');
+            else if(ch=='b') buf.append('\b');
+            else if(ch=='u') {
+                auto hex = in.read(4);
+                if(hex.size()<4) throw "Unexpected end-of-input in char escape sequence";
+                bool ok;
+                buf.append(hex.toUShort(&ok, 16));
+                if(! ok) throw "Illegal hex-digits in char escape sequence: \\u"+hex;
+            } else throw QString("Unrecognized char-escape ")+ch+" (code "+ch+")";
+        } else buf.append(ch);
+    }
+    return buf;
+}
+void JParser::skipSpace() {
+    if(bk.unicode()) {
+        bk = QChar::Null;
+        if(! ch.isSpace()) return;
+    }
+    in.skipWhiteSpace();
+    in >> ch;
+    if(ch==0) throw "Unexpected end-of-input";
+}
+
+void JOut::write(const JValue &value) {
+    if(value.type==JValue::Null) out << "null";
+    else if(value.type==JValue::Str) writeStr(value.toStr());
+    else if(value.type==JValue::Obj) writeMap(value.toObj());
+    else if(value.type==JValue::Array) writeList(value.toArray());
+    else out << value.toStr();
+    out.flush();
+}
+void JOut::writeStr(const QString &str) {
+    out << '"';
+    QChar ch;
+    for(int i=0; i<str.length(); i++) {
+        ch = str[i];
+        if(ch=='"'||ch=='\\') out<<'\\'<<ch;
+        else if(ch < ' ') {
+            if(ch=='\n') out<<"\\n";
+            else if(ch=='\r') out<<"\\r";
+            else if(ch=='\t') out<<"\\t";
+            else if(ch=='\f') out<<"\\f";
+            else if(ch=='\b') out<<"\\b";
+            else {
+                out<<"\\u00";
+                auto aa = QString::number(ch.unicode(), 16);
+                if(aa.size()==1) out<<'0';
+                out<<aa;
+            }
+        } else out << ch;
+    }
+    out << '"';
+}
+void JOut::writeMap(const JObj &map) {
+    out << '{';
+    if(! map.empty()) {
+        if(indent.size()) {
+            out << '\n';
+            cnt++;
+            for(int c=0; c<cnt; c++) out << indent;
+        }
+        bool addSep = false;
+        for(const auto &pair : map) {
+            if(addSep) {
+                out << ',';
+                if(indent.size()) {
+                    out << '\n';
+                    for(int c=0; c<cnt; c++) out << indent;
+                }
+            }
+            else addSep = true;
+            out << '"' << pair.first << "\":";
+            if(indent.size()) out << ' ';
+            write(pair.second);
+        }
+        if(indent.size()) {
+            out << '\n';
+            cnt--;
+            for(int c=0; c<cnt; c++) out << indent;
+        }
+    }
+    out << '}';
+}
+void JOut::writeList(const JArray &vals) {
+    out << '[';
+    auto iter = vals.begin();
+    auto end = vals.end();
+    if(iter!=end) write(*iter++);
+    while(iter!=end) {
+        out << ',';
+        if(indent.size()) out << ' ';
+        write(*iter++);
+    }
+    out << ']';
+}

LedOK/gutil/qjson.h

@@ -0,0 +1,177 @@
+#ifndef QJSON_H
+#define QJSON_H
+
+#include "cu.h"
+#include "QtCore/qhashfunctions.h"
+#include <QTextStream>
+
+class JValue;
+using JObj = LinkedMap<QString, JValue>;
+using JArray = Vector<JValue>;
+
+class JValue {
+public:
+    int data[2]{0};
+    enum Type {
+        Null, Bool, Int, Long, Double, Obj, Array, Str
+    };
+    Type type{Null};
+
+    JValue(Type = Null) {}
+    JValue(bool b) : type(Bool) {data[0] = b;}
+    JValue(int n) : type(Int) {data[0] = n;}
+    JValue(qint64 n) : type(Long) {*(qint64*) data = n;}
+    JValue(double d) : type(Double) {*(double*) data = d;}
+    JValue(const JObj &o) : type(Obj) {new (data) JObj(o);}
+    JValue(const JArray &a) : type(Array) {new (data) JArray(a);}
+    JValue(const QString &s) : type(Str) {*(SharedData<QString>**) data = new SharedData<QString>{s, 1};}
+    JValue(const char *s) : JValue(QString::fromUtf8(s)) {}
+    JValue(const JValue &other) {
+        type = other.type;
+        if(type==Obj) new (data) JObj(*(JObj*) other.data);
+        else if(type==Array) new (data) JArray(*(JArray*) other.data);
+        else {
+            data[0] = other.data[0];
+            data[1] = other.data[1];
+            if(type==Str) (*(SharedData<QString>**) data)->cnt++;
+        }
+    }
+    ~JValue() {
+        if(type < Obj) return;
+        else if(type==Obj) ((JObj*) data)->~JObj();
+        else if(type==Array) ((JArray*) data)->~JArray();
+        else if(type==Str) {
+            auto ptr = *(SharedData<QString>**) data;
+            if(ptr->cnt > 1) ptr->cnt--;
+            else delete ptr;
+        }
+    }
+
+    JValue &operator=(const JValue &other) {
+        this->~JValue();
+        new (this) JValue(other);
+        return *this;
+    }
+
+    bool isNull() const {return type==Null;}
+    bool isObj() const {return type==Obj;}
+    bool isArray() const {return type==Array;}
+
+    bool toBool(bool def = false) const {
+        return type==Null ? def : data[0] || data[1];
+    }
+    int toInt(int def = 0) const {
+        if(type==Bool || type==Int) return data[0];
+        if(type==Long) return *(qint64*) data;
+        if(type==Double) return *(double*) data;
+        return def;
+    }
+    qint64 toLong(qint64 def = 0) const {
+        if(type==Bool || type==Int) return data[0];
+        if(type==Long) return *(qint64*) data;
+        if(type==Double) return *(double*) data;
+        return def;
+    }
+    double toDouble(double def = 0) const {
+        if(type==Bool || type==Int) return data[0];
+        if(type==Long) return *(qint64*) data;
+        if(type==Double) return *(double*) data;
+        return def;
+    }
+    QString toStr(const QString &def = "") const {
+        if(type==Bool) return data[0] ? "true" : "false";
+        if(type==Int) return QString::number(data[0]);
+        if(type==Long) return QString::number(*(qint64*) data);
+        if(type==Double) return QString::number(*(double*) data);
+        if(type==Str) return (*(SharedData<QString>**) data)->data;
+        return def;
+    }
+    JObj toObj() const {
+        if(type==Obj) return *(JObj*) data;
+        return JObj();
+    }
+    JArray toArray() const {
+        if(type==Array) return *(JArray*) data;
+        return JArray();
+    }
+private:
+    JValue(const void *) = delete; // avoid implicit conversions from char * to bool
+};
+
+class JParser {
+public:
+    JParser(QTextStream &in) : in(in) {}
+
+    inline JValue read() {
+        skipSpace();
+        return readValue();
+    }
+protected:
+    JValue readValue();
+    QString readStr();
+    void skipSpace();
+
+    QTextStream &in;
+    QChar ch{0}, bk{0};
+};
+
+inline JValue JFrom(const QByteArray &json, QString *err = 0) {
+    QTextStream in(json);
+    try {
+        return JParser(in).read();
+    } catch (QString anerr) {
+        if(err) *err = anerr;
+    } catch (const char *anerr) {
+        if(err) *err = anerr;
+    } catch (...) {
+        if(err) *err = "unknow error";
+    }
+    return JValue();
+}
+inline JValue JFrom(QIODevice *device, QString *err = 0) {
+    QTextStream in(device);
+    try {
+        return JParser(in).read();
+    } catch (QString anerr) {
+        if(err) *err = anerr;
+    } catch (const char *anerr) {
+        if(err) *err = anerr;
+    } catch (...) {
+        if(err) *err = "unknow error";
+    }
+    return JValue();
+}
+
+class JOut {
+public:
+    JOut(QTextStream &out, QString indent = "") : out(out), indent(indent) {}
+
+    void write(const JValue &obj);
+    void writeStr(const QString &str);
+    void writeMap(const JObj &map);
+    void writeList(const JArray &objs);
+protected:
+    QTextStream &out;
+    QString indent;
+    int cnt{0};
+};
+
+inline QString JToStr(const JValue &obj, QString indent = "") {
+    QString json;
+    QTextStream out(&json);
+    JOut(out, indent).write(obj);
+    return json;
+}
+inline QByteArray JToBytes(const JValue &obj, QString indent = "") {
+    QByteArray json;
+    QTextStream out(&json);
+    JOut(out, indent).write(obj);
+    return json;
+}
+inline QTextStream::Status JWrite(const JValue &obj, QIODevice *device, QString indent = "") {
+    QTextStream out(device);
+    JOut(out, indent).write(obj);
+    return out.status();
+}
+
+#endif // QJSON_H

LedOK/gutil/qnetwork.cpp

@@ -5,16 +5,16 @@
 
 const char *const FormBoundary = "----GangphonQtBoundary_.oOo._";
 
-QNetworkAccessManager &netAccess() {
+QNetworkAccessManager *netAccess() {
     static QNetworkAccessManager access;
-    return access;
+    return &access;
 };
 
 QString errStr(QNetworkReply *reply) {
     reply->deleteLater();
     auto error = reply->error();
     if(error != QNetworkReply::NoError) {
-        if(error==QNetworkReply::OperationCanceledError) return QString(QMetaEnum::fromType<QNetworkReply::NetworkError>().valueToKey(QNetworkReply::TimeoutError))+" ("+QString::number(QNetworkReply::TimeoutError)+") "+QCoreApplication::translate("Net","Connection Timeout");
+        if(error==QNetworkReply::OperationCanceledError) return "TimeoutError ("+QString::number(QNetworkReply::TimeoutError)+") "+QCoreApplication::translate("Net","Connection Timeout");
         auto errStr = reply->errorString();
         if(error!=QNetworkReply::InternalServerError || ! errStr.endsWith("replied: Unknown")) return QString(QMetaEnum::fromType<QNetworkReply::NetworkError>().valueToKey(error))+" ("+QString::number(error)+") "+errStr;
     }

LedOK/gutil/qnetwork.h

@@ -8,19 +8,38 @@
 
 extern const char *const FormBoundary;
 
-QNetworkAccessManager &netAccess();
+QNetworkAccessManager *netAccess();
 
 class NetReq : public QNetworkRequest {
 public:
+#if(QT_VERSION_MAJOR > 5)
+    using QNetworkRequest::QNetworkRequest;
+    explicit NetReq(const QString &url) : QNetworkRequest{url} {};
+    explicit NetReq(QNetworkAccessManager *access) : mAccess(access) {};
+#else
     NetReq() {init();};
-    explicit NetReq(const QString &url) : QNetworkRequest{url} {init();};
+    explicit NetReq(QNetworkAccessManager *access) : mAccess(access) {init();};
     explicit NetReq(const QUrl &url) : QNetworkRequest{url} {init();};
-    NetReq(const QNetworkRequest &other) : QNetworkRequest{other} {init();};
-
     inline void init() {
-#if(QT_VERSION_MAJOR < 6)
         setAttribute(QNetworkRequest::RedirectPolicyAttribute, QNetworkRequest::NoLessSafeRedirectPolicy);
+    }
 #endif
+    using QNetworkRequest::url;
+    inline NetReq &url(const QUrl &url) {
+        setUrl(url);
+        return *this;
+    }
+    inline NetReq &access(QNetworkAccessManager *access) {
+        mAccess = access;
+        return *this;
+    }
+    inline NetReq &header(const QByteArray &headerName, const QByteArray &value) {
+        setRawHeader(headerName, value);
+        return *this;
+    }
+    inline NetReq &header(KnownHeaders header, const QVariant &value) {
+        setHeader(header, value);
+        return *this;
     }
 
     inline NetReq &type(const QByteArray &value) {
@@ -37,14 +56,16 @@ public:
     }
 
     inline QNetworkReply *get() {
-        return netAccess().get(*this);
+        if(mAccess==0) mAccess = netAccess();
+        return mAccess->get(*this);
     }
     inline QNetworkReply *post(const QByteArray &data) {
-        return netAccess().post(*this, data);
+        if(mAccess==0) mAccess = netAccess();
+        return mAccess->post(*this, data);
     }
     inline QNetworkReply *post(const QJsonDocument &json) {
         setRawHeader("Content-Type", "application/json");
-        return netAccess().post(*this, json.toJson(QJsonDocument::Compact));
+        return post(json.toJson(QJsonDocument::Compact));
     }
     inline QNetworkReply *post(const QJsonObject &json) {
         return post(QJsonDocument{json});
@@ -53,13 +74,20 @@ public:
         return post(QJsonDocument{json});
     }
     inline QNetworkReply *post(QHttpMultiPart *multiPart) {
-        return netAccess().post(*this, multiPart);
+        if(mAccess==0) mAccess = netAccess();
+        return mAccess->post(*this, multiPart);
     }
+    QNetworkAccessManager *mAccess{0};
 };
 
 QString errStr(QNetworkReply *);
 QString errStrWithData(QNetworkReply *, QJsonDocument * = 0);
 
+inline int waitFinished(QNetworkReply *reply, bool excludeUser = false) {
+    QEventLoop loop;
+    QObject::connect(reply, &QNetworkReply::finished, &loop, &QEventLoop::quit);
+    return excludeUser ? loop.exec(QEventLoop::ExcludeUserInputEvents) : loop.exec();
+}
 inline void abortSilence(QNetworkReply *reply) {
     reply->blockSignals(true);
     reply->abort();

LedOK/program/sendprogthread.cpp

@@ -143,7 +143,7 @@ void SendProgThread::run() {
             return;
         }
         while(remain > 0) {
-            auto readed = file->read(qMin(4096LL, remain));
+            auto readed = file->read(qMin(4*4096LL, remain));
             if(readed.isEmpty()) {
                 emit emErr(tr("Read file failed")+" "+file->errorString());
                 tcp.close();

LedOK/tools.cpp

@@ -124,21 +124,10 @@ QBrush Tools::getBrush(const QColor& color) {
 }
 
 int Tools::color2Int(const QColor& color) {
-    int res = 0;
+    return color.red() << 24 | color.green() << 16 | color.blue() << 8 | color.alpha();
-    res |= (color.red()   & 0xFF) << 24;
-    res |= (color.green() & 0xFF) << 16;
-    res |= (color.blue()  & 0xFF) <<  8;
-    res |= (color.alpha() & 0xFF);
-    return res;
 }
-
 QColor Tools::int2Color(int value) {
-    QColor res;
+    return QColor((value >> 24) & 0xff, (value >> 16) & 0xff, (value >> 8) & 0xff, value & 0xff);
-    res.setRed  ((value >> 24) & 0xFF);
-    res.setGreen((value >> 16) & 0xFF);
-    res.setBlue ((value >>  8) & 0xFF);
-    res.setAlpha((value      ) & 0xFF);
-    return res;
 }
 
 QString Tools::selectStr(bool f, const QString &s0, const QString &s1) {