/*
 * info_netbsd.cpp is part of the KDE program kcminfo.  This displays
 * various information about the OpenBSD system it's running on.
 *
 * Originally written by Jaromir Dolecek <dolecek@ics.muni.cz>. CPU info
 * code has been imported from implementation of processor.cpp for KDE 1.0
 * by David Brownlee <abs@NetBSD.org> as found in NetBSD packages collection.
 * Hubert Feyer <hubertf@NetBSD.org> enhanced the sound information printing
 * quite a lot, too.
 *
 * The code is placed into public domain. Do whatever you want with it.
 */

/*
 * all following functions should return true, when the Information
 * was filled into the QTreeWidget. Returning false indicates that
 * information was not available.
 */

#include <sys/types.h>
#include <sys/param.h>
#include <sys/sysctl.h>
#include <stdio.h>	/* for NULL */
#include <stdlib.h>	/* for malloc(3) */

#include <QFile>
#include <QFontMetrics>
#include <QTextStream>
#include <QTreeWidgetItemIterator>

#include <kdebug.h>
#include <kstandarddirs.h>

typedef struct {
    int string;
    int name;
    const char *title;
} hw_info_mib_list_t;

// this is used to find out which devices are currently
// on system
static bool GetDmesgInfo(QTreeWidget* tree, const char *filter, void func(QTreeWidget *, QString s, void **, bool)) {
    QFile *dmesg = new QFile("/var/run/dmesg.boot");
    bool usepipe=false;
    FILE *pipe=NULL;
    QTextStream *t;
    bool seencpu=false;
    void *opaque=NULL;
    QString s;
    bool found=false;

    if (dmesg->exists() && dmesg->open(QIODevice::ReadOnly)) {
        t = new QTextStream(dmesg);
    } else {
        delete dmesg;
        QByteArray dmesgExe = KStandardDirs::findRootExe("dmesg").toLocal8Bit();
        if (dmesgExe.isEmpty()) {
            return false;
        }
        pipe = popen(dmesgExe.constData(), "r");
        if (!pipe) {
            return false;
        }
        usepipe = true;
        t = new QTextStream(pipe, QIODevice::ReadOnly);
    }

    while (!(s = t->readLine()).isNull()) {
        if (!seencpu) {
            if (s.contains("cpu")) {
                seencpu = true;
            } else {
                continue;
            }
        }
        if (s.contains("boot device") || s.contains("WARNING: old BSD partition ID!")) {
            break;
        }

        if (!filter || s.contains(filter)) {
            if (func) {
                func(tree, s, &opaque, false);
            } else {
                QStringList list;
                list << s;
                new QTreeWidgetItem(tree, list);
            }
            found = true;
        }
    }
    if (func) {
        func(tree, s, &opaque, true);
    }
    //tree->triggerUpdate();

    delete t;
    if (pipe) {
        pclose(pipe);
    } else {
        dmesg->close();
        delete dmesg;
    }

    return found;
}

void AddIRQLine(QTreeWidget* tree, QString s, void **opaque, bool ending) {
    QStringList *strlist = (QStringList *) *opaque;
    QString str;
    int pos, irqnum=0;
    const char *p;
    p = s.toLatin1();

    if (!strlist) {
        strlist = new QStringList();
        *opaque = (void *) strlist;
    }
    if (ending) {
        foreach(QString temp, *strlist) {
            QStringList tempList;
            tempList << temp;
            new QTreeWidgetItem(tree, tempList);
        }
        delete strlist;
        return;
    }

    pos = s.indexOf(" irq ");
    irqnum = (pos < 0) ? 0 : atoi(&p[pos+5]);
    if (irqnum) {
        s.sprintf("%02d%s", irqnum, p);
    } else {
        s.sprintf("??%s", p);
    }
    strlist->append(s);
    strlist->sort();
}

bool GetInfo_IRQ(QTreeWidget* tree) {
    QStringList headers;
    headers << i18n("IRQ") << i18n("Device");
    tree->setHeaderLabels(headers);
    (void) GetDmesgInfo(tree, " irq ", AddIRQLine);
    return true;
}

bool GetInfo_DMA(QTreeWidget *) {
    return false;
}

bool GetInfo_PCI(QTreeWidget* tree) {
    if (!GetDmesgInfo(tree, "at pci", NULL)) {
        QStringList list;
        list << i18n("No PCI devices found.");
        new QTreeWidgetItem(tree, list);
    }
    return true;
}

bool GetInfo_IO_Ports(QTreeWidget* tree) {
    if (!GetDmesgInfo(tree, "port 0x", NULL)) {
        QStringList list;
        list << i18n("No I/O port devices found.");
        new QTreeWidgetItem(tree, list);
    }
    return true;
}

bool GetInfo_SCSI(QTreeWidget* tree) {
    if (!GetDmesgInfo(tree, "scsibus", NULL)) {
        QStringList list;
        list << i18n("No SCSI devices found.");
        new QTreeWidgetItem(tree, list);
    }
    return true;
}

bool GetInfo_XServer_and_Video(QTreeWidget* tree) {
    return GetInfo_XServer_Generic(tree);
}