dbus

Documentation

Look at the API on GoPkgDoc.

Installation

goinstall github.com/norisatir/go-dbus

Usage

// Issue OSD notifications according to the Desktop Notifications Specification 1.1
//      http://people.canonical.com/~agateau/notifications-1.1/spec/index.html
// See also
//      https://wiki.ubuntu.com/NotifyOSD#org.freedesktop.Notifications.Notify
package main

import "github.com/norisatir/go-dbus"
import "log"

func main() {
    var (
        err error
        conn *dbus.Connection
        out []interface{}
    )

    // Connect to Session or System buses.
    if conn, err = dbus.Connect(dbus.SessionBus); err != nil {
        log.Fatal("Connection error:", err)
    }
    if err = conn.Initialize(); err != nil {
        log.Fatal("Initialization error:", err)
    }

    // Get objects.
    obj := conn.GetObject("org.freedesktop.Notifications", "/org/freedesktop/Notifications")

    // Introspect objects.
    out, err = conn.CallMethod(
        conn.Interface(obj, "org.freedesktop.DBus.Introspectable"), "Introspect")
    if err != nil {
        log.Fatal("Introspect error:", err)
    }
    var intro dbus.Introspect
    intro, err = dbus.NewIntrospect(out[0].(string))
    method := intro.GetInterfaceData("org.freedesktop.Notifications").GetMethodData("Notify")
    log.Printf("%s in:%s out:%s", method.GetName(), method.GetInSignature(), method.GetOutSignature())

    // Call object methods.
    out, err = conn.CallMethod(
        conn.Interface(
            conn.GetObject("org.freedesktop.Notifications", "/org/freedesktop/Notifications"),
            "org.freedesktop.Notifications"),
        "Notify",
		"dbus-tutorial", uint32(0), "",
        "dbus-tutorial", "You've been notified!",
		[]interface{}{}, map[string]interface{}{}, int32(-1))
    if err != nil {
        log.Fatal("Notification error:", err)
    }
    log.Print("Notification id:", out[0])
}