71 lines
1.5 KiB
C++
71 lines
1.5 KiB
C++
/*
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* \brief D3m NIC service
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* \author Norman Feske
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* \author Christian Helmuth
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* \date 2012-01-25
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*/
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/*
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* Copyright (C) 2012-2013 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _NIC_SERVICE_H_
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#define _NIC_SERVICE_H_
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/* Genode includes */
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#include <nic_session/nic_session.h>
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#include <root/component.h>
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#include <util/list.h>
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namespace Nic {
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struct Provider
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{
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bool ready_to_use() { return root().valid(); }
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virtual Genode::Root_capability root() = 0;
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};
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/**
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* Root interface of NIC service
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*/
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class Root : public Genode::Rpc_object<Genode::Typed_root<Nic::Session> >
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{
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private:
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Provider &_nic_provider;
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public:
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Genode::Session_capability session(Session_args const &args,
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Genode::Affinity const &affinity)
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{
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if (!args.is_valid_string()) throw Invalid_args();
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if (!_nic_provider.ready_to_use())
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throw Unavailable();
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try {
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return Genode::Root_client(_nic_provider.root())
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.session(args.string(), affinity);
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} catch (...) {
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throw Unavailable();
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}
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}
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void upgrade(Genode::Session_capability, Upgrade_args const &) { }
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void close(Genode::Session_capability session)
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{
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Genode::Root_client(_nic_provider.root()).close(session);
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}
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Root(Provider &nic_provider) : _nic_provider(nic_provider) { }
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};
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}
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#endif /* _INPUT_SERVICE_H_ */
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