95 lines
2.3 KiB
C++
95 lines
2.3 KiB
C++
/*
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* \brief Child-policy helpers
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* \author Norman Feske
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* \date 2010-04-29
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*
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* \deprecated use os/dynamic_rom_session.h instead
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*/
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/*
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* Copyright (C) 2010-2017 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 Affero General Public License version 3.
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*/
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#ifndef _INCLUDE__INIT__CHILD_POLICY_H_
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#define _INCLUDE__INIT__CHILD_POLICY_H_
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/* Genode includes */
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#include <base/rpc_server.h>
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#include <base/service.h>
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#include <rom_session/rom_session.h>
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namespace Init {
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class Child_policy_provide_rom_file;
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using namespace Genode;
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}
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class Init::Child_policy_provide_rom_file
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{
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private:
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struct Local_rom_session_component : Rpc_object<Rom_session>
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{
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Rpc_entrypoint &ep;
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Dataspace_capability ds_cap;
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/**
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* Constructor
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*/
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Local_rom_session_component(Rpc_entrypoint &ep,
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Dataspace_capability ds)
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: ep(ep), ds_cap(ds) { ep.manage(this); }
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~Local_rom_session_component() { ep.dissolve(this); }
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/***************************
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** ROM session interface **
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***************************/
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Rom_dataspace_capability dataspace() override {
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return static_cap_cast<Rom_dataspace>(ds_cap); }
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void sigh(Signal_context_capability) override { }
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} _session;
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Session_label const _module_name;
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typedef Local_service<Local_rom_session_component> Service;
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Service::Single_session_factory _session_factory { _session };
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Service _service { _session_factory };
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public:
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/**
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* Constructor
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*/
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Child_policy_provide_rom_file(Session_label const &module_name,
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Dataspace_capability ds_cap,
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Rpc_entrypoint *ep)
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:
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_session(*ep, ds_cap), _module_name(module_name)
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{ }
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Service *resolve_session_request_with_label(Service::Name const &name,
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Session_label const &label)
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{
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return (name == "ROM" && label.last_element() == _module_name)
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? &_service : nullptr;
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}
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Service *resolve_session_request(const char *service_name,
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const char *args)
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{
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return resolve_session_request_with_label(service_name,
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label_from_args(args));
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}
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};
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#endif /* _INCLUDE__INIT__CHILD_POLICY_H_ */
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