87 lines
1.9 KiB
C++
87 lines
1.9 KiB
C++
/*
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* \brief Nic bus service
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* \author Emery Hemingway
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* \date 2019-04-10
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*/
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/*
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* Copyright (C) 2019 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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/* local includes */
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#include "session_component.h"
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/* Genode */
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#include <root/component.h>
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#include <base/attached_rom_dataspace.h>
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#include <os/session_policy.h>
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#include <base/component.h>
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namespace Nic_bus {
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using namespace Net;
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using namespace Genode;
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class Root;
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struct Main;
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}
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class Nic_bus::Root : public Genode::Root_component<Nic_bus::Session_component>
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{
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private:
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Genode::Env &_env;
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Attached_rom_dataspace _config_rom { _env, "config" };
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Session_bus _bus { };
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protected:
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Session_component *_create_session(const char *args) override
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{
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using namespace Genode;
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_config_rom.update();
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Session_label label { label_from_args(args) };
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Session_policy policy { label, _config_rom.xml() };
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return new (md_alloc())
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Session_component(_env.ep(), _env.ram(), _env.rm(),
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ram_quota_from_args(args),
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cap_quota_from_args(args),
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Tx_size{Arg_string::find_arg(args, "tx_buf_size").ulong_value(0)},
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Rx_size{Arg_string::find_arg(args, "rx_buf_size").ulong_value(0)},
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_bus,
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label);
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}
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public:
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Root(Genode::Env &env,
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Genode::Allocator &md_alloc)
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: Genode::Root_component<Nic_bus::Session_component>(env.ep(), md_alloc),
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_env(env)
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{ }
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};
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struct Nic_bus::Main
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{
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Sliced_heap _sliced_heap;
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Nic_bus::Root _root;
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Main(Genode::Env &env)
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: _sliced_heap(env.ram(), env.rm()),
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_root(env, _sliced_heap)
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{
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env.parent().announce(env.ep().manage(_root));
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}
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};
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void Component::construct(Genode::Env &env) { static Nic_bus::Main inst(env); }
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