Start dbus session bus at boot

Session address is saved to /var/run/dbus/session_bus_address, which is read
in /etc/profile.d/dbus-session-address for interactive login and by adbd for
applications launched from QtCreator.

Change-Id: I8e1f43bdb2f7a7b0450dacf39890cf149459bbf4
Reviewed-by: Rainer Keller <rainer.keller@theqtcompany.com>

recipes/adbd/files/adb-init

@@ -4,6 +4,10 @@ DAEMON=/usr/bin/adbd
 
 . /etc/default/adbd
 
+if [ -e /var/run/dbus/session_bus_address ]; then
+  . /var/run/dbus/session_bus_address
+fi
+
 case "$1" in
 start)
     if [ "$USE_ETHERNET" = "no" ]; then

recipes/dbus/dbus/dbus-session-address

+#!/bin/sh
+
+if [ -e /var/run/dbus/session_bus_address ]; then
+  . /var/run/dbus/session_bus_address
+fi

recipes/dbus/dbus/dbus-session.init

+#! /bin/sh
+### BEGIN INIT INFO
+# Provides:          dbus
+# Required-Start:    $remote_fs $syslog
+# Required-Stop:     $remote_fs $syslog
+# Default-Start:     2 3 4 5
+# Default-Stop:      1
+# Short-Description: D-Bus session message bus
+# Description:       D-Bus is a simple interprocess messaging system, used
+#                    for sending messages between applications.
+### END INIT INFO
+#
+# -*- coding: utf-8 -*-
+# Debian init.d script for D-BUS
+# Copyright © 2003 Colin Walters <walters@debian.org>
+
+# set -e
+
+# Source function library.
+. /etc/init.d/functions
+
+DAEMON=@bindir@/dbus-launch
+NAME=dbus-session
+ADDRESSFILE=/var/run/dbus/session_bus_address
+UUIDDIR=/var/lib/dbus
+DESC="session message bus"
+
+test -x $DAEMON || exit 0
+
+# Source defaults file; edit that file to configure this script.
+ENABLED=1
+PARAMS=""
+if [ -e /etc/default/dbus ]; then
+  . /etc/default/dbus
+fi
+
+if [ -e $ADDRESSFILE ]; then
+  . $ADDRESSFILE
+fi
+
+test "$ENABLED" != "0" || exit 0
+
+start_it_up()
+{
+  echo -n "Starting $DESC: "
+  $DAEMON --auto-syntax > $ADDRESSFILE
+  echo "$NAME."
+}
+
+shut_it_down()
+{
+  echo -n "Stopping $DESC: "
+  kill $DBUS_SESSION_BUS_PID
+  echo "$NAME."
+}
+
+reload_it()
+{
+  echo -n "Reloading $DESC config: "
+  dbus-send --print-reply --session --type=method_call \
+            --dest=org.freedesktop.DBus \
+            / org.freedesktop.DBus.ReloadConfig > /dev/null
+  # hopefully this is enough time for dbus to reload it's config file.
+  echo "done."
+}
+
+status_it()
+{
+    if kill -0 $DBUS_SESSION_BUS_PID 2>/dev/null; then
+        echo "$NAME (pid $DBUS_SESSION_BUS_PID) is running..."
+        return 0
+    else
+        echo "$NAME is stopped"
+    fi
+    return 3
+}
+
+case "$1" in
+  start)
+    start_it_up
+  ;;
+  stop)
+    shut_it_down
+  ;;
+  status)
+    status_it
+    exit $?
+  ;;
+  reload|force-reload)
+    reload_it
+  ;;
+  restart)
+    shut_it_down
+    sleep 1
+    start_it_up
+  ;;
+  *)
+    echo "Usage: /etc/init.d/$NAME {start|stop|status|restart|reload|force-reload}" >&2
+    exit 1
+  ;;
+esac
+
+exit 0

recipes/dbus/dbus_1.6.18.bbappend

+#############################################################################
+##
+## Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
+##
+## This file is part of the Qt Enterprise Embedded Scripts of the Qt
+## framework.
+##
+## $QT_BEGIN_LICENSE$
+## Commercial License Usage Only
+## Licensees holding valid commercial Qt license agreements with Digia
+## with an appropriate addendum covering the Qt Enterprise Embedded Scripts,
+## may use this file in accordance with the terms contained in said license
+## agreement.
+##
+## For further information use the contact form at
+## http://www.qt.io/contact-us.
+##
+##
+## $QT_END_LICENSE$
+##
+#############################################################################
+
+FILESEXTRAPATHS_append := ":${THISDIR}/${PN}"
+SRC_URI += " \
+    file://dbus-session.init \
+    file://dbus-session-address \
+    "
+
+INITSCRIPT_PACKAGES = "${PN} ${PN}-session-init"
+INITSCRIPT_NAME_${PN}-session-init = "dbus-session"
+INITSCRIPT_PARAMS_${PN}-session-init = "start 20 5 3 2 . stop 10 0 1 6 ."
+
+PACKAGES =+ "${PN}-session-init"
+FILES_${PN}-session-init = " \
+    ${sysconfdir}/init.d/dbus-session \
+    ${sysconfdir}/profile.d/dbus-session-address \
+    "
+
+do_install_append_class-target() {
+	if ${@base_contains('DISTRO_FEATURES', 'sysvinit', 'true', 'false', d)}; then
+		install -d ${D}${sysconfdir}/init.d
+		sed 's:@bindir@:${bindir}:' < ${WORKDIR}/dbus-session.init >${WORKDIR}/dbus-session.init.sh
+		install -m 0755 ${WORKDIR}/dbus-session.init.sh ${D}${sysconfdir}/init.d/dbus-session
+	fi
+	install -d ${D}${sysconfdir}/profile.d
+	install -m 0755 ${WORKDIR}/dbus-session-address ${D}${sysconfdir}/profile.d/
+}

recipes/packagegroup/packagegroup-b2qt-embedded-base.bb

@@ -51,5 +51,6 @@ RDEPENDS_${PN} = "\
         ttf-opensans \
         ttf-dejavu-common \
         ttf-dejavu-sans \
+        dbus-session-init \
         ${MACHINE_EXTRA_INSTALL} \
         "