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This implements the host side of
https://codereview.qt-project.org/#change,50290

Change-Id: I13c7df29534a2a85202c2b295b139896443b0120
Reviewed-by: Eskil Abrahamsen Blomfeldt <eskil.abrahamsen-blomfeldt@digia.com>
Reviewed-by: Daniel Teske <daniel.teske@digia.com>
Reviewed-by: BogDan Vatra <bogdan@kde.org>
Reviewed-by: hjk <hjk121@nokiamail.com>