/*
 * SPDX-License-Identifier: GPL-3.0-or-later
 *
 * PlumbMsg — a plan9port plumbing message and its wire codec.
 *
 * Wire format (plan9port libplumb/mesg.c):
 *     src\n            source application ("ollie")
 *     dst\n            destination port ("" lets the rules decide)
 *     wdir\n           working directory (resolves relative paths)
 *     type\n           data type ("text")
 *     attr\n           space-separated name=value attributes
 *     ndata\n          decimal byte count of the data that follows
 *     <ndata bytes>    the data (NOT newline-terminated)
 */
#ifndef OLLIE_PLUMBMSG_H
#define OLLIE_PLUMBMSG_H

#include <QByteArray>
#include <QList>
#include <QString>

struct PlumbAttr {
    QString name;
    QString value;
    bool operator==(const PlumbAttr &o) const
    {
        return name == o.name && value == o.value;
    }
};

struct PlumbMsg {
    QString src;
    QString dst;
    QString wdir;
    QString type;
    QList<PlumbAttr> attr;
    QByteArray data;

    QString lookup(const QString &name) const;
    void setAttr(const QString &name, const QString &value);
    QByteArray pack() const;
    static bool unpack(const QByteArray &buf, PlumbMsg *out);
};

QByteArray packPlumbAttr(const QList<PlumbAttr> &attr);
QList<PlumbAttr> unpackPlumbAttr(const QByteArray &line);

#endif