Unraid Monitor for one-screen overview

src/UnraidClient.h

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+#pragma once
+
+#include <QDateTime>
+#include <QObject>
+#include <QString>
+#include <QStringList>
+#include <QVector>
+
+class QNetworkAccessManager;
+class QNetworkReply;
+
+// Array-/Pool-Disk (Werte in KB, wie von der API geliefert)
+struct DiskInfo {
+    QString name;
+    QString device;
+    QString status;     // DISK_OK, DISK_NP, ...
+    qint64  sizeKb    = 0;
+    qint64  fsSizeKb  = 0;
+    qint64  fsFreeKb  = 0;
+    qint64  fsUsedKb  = 0;
+    qint64  numErrors = 0;
+    int     temp      = -1;   // -1 = unbekannt / spun down
+    bool    isSpinning = true;
+};
+
+// Physische Disk inkl. SMART (Größe in Bytes)
+struct PhysicalDiskInfo {
+    QString device;
+    QString model;       // "name" im Schema
+    QString vendor;
+    QString serial;
+    QString interfaceType;
+    QString smartStatus; // OK / UNKNOWN
+    double  sizeBytes   = 0;
+    double  temperature = -1; // -1 = unbekannt
+};
+
+struct ContainerInfo {
+    QString name;
+    QString image;
+    QString state;   // RUNNING, PAUSED, EXITED
+    QString status;  // "Up 2 days" etc.
+    bool    autoStart = false;
+};
+
+struct ServerSnapshot {
+    // System
+    QString   hostname;
+    QString   distro, release, kernel;
+    QString   unraidVersion, apiVersion;
+    QString   cpuBrand;
+    int       cpuCores = 0, cpuThreads = 0;
+    QDateTime bootTime;
+    double    cpuPercent = -1;
+    qint64    memTotal = 0, memUsed = 0, memAvailable = 0; // Bytes
+    double    memPercent = -1;
+
+    // Array
+    QString arrayState;
+    qint64  capFreeKb = 0, capUsedKb = 0, capTotalKb = 0;
+    QVector<DiskInfo> dataDisks;
+    QVector<DiskInfo> parityDisks;
+    QVector<DiskInfo> cachePools;
+
+    QVector<PhysicalDiskInfo> physicalDisks;
+    QVector<ContainerInfo>    containers;
+
+    QStringList partialErrors; // GraphQL-Fehler bei Teilantworten
+};
+
+class UnraidClient : public QObject {
+    Q_OBJECT
+public:
+    explicit UnraidClient(QObject *parent = nullptr);
+
+    void setConnection(const QString &baseUrl, const QString &apiKey, bool ignoreSsl);
+    void refresh();
+
+signals:
+    void snapshotReady(const ServerSnapshot &snapshot);
+    void requestFailed(const QString &error);
+
+private:
+    void handleReply(QNetworkReply *reply);
+    static ServerSnapshot parseData(const QJsonObject &data);
+
+    QNetworkAccessManager *m_nam;
+    QString m_baseUrl;
+    QString m_apiKey;
+    bool    m_ignoreSsl = false;
+    bool    m_busy      = false;
+};