166 lines
4.2 KiB
C++
166 lines
4.2 KiB
C++
/*
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* \brief Reflects an effective domain configuration node
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* \author Martin Stein
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* \date 2016-08-19
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*/
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/*
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* Copyright (C) 2016 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 _DOMAIN_H_
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#define _DOMAIN_H_
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/* local includes */
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#include <forward_rule.h>
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#include <transport_rule.h>
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#include <nat_rule.h>
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#include <ip_rule.h>
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#include <port_allocator.h>
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#include <pointer.h>
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/* Genode includes */
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#include <util/avl_string.h>
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#include <util/xml_node.h>
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namespace Genode { class Allocator; }
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namespace Net {
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class Interface;
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class Configuration;
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class Domain_avl_member;
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class Domain_base;
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class Domain;
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class Domain_tree;
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using Domain_name = Genode::String<160>;
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}
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class Net::Domain_avl_member : public Genode::Avl_string_base
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{
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private:
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Domain &_domain;
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public:
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Domain_avl_member(Domain_name const &name,
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Domain &domain);
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/***************
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** Accessors **
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***************/
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Domain &domain() const { return _domain; }
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};
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class Net::Domain_base
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{
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protected:
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Domain_name const _name;
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Domain_base(Genode::Xml_node const &node);
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};
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class Net::Domain : public Domain_base
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{
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private:
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Domain_avl_member _avl_member;
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Configuration &_config;
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Genode::Xml_node _node;
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Genode::Allocator &_alloc;
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Ipv4_address_prefix _interface_attr;
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Ipv4_address const _gateway;
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bool const _gateway_valid;
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Ip_rule_list _ip_rules;
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Forward_rule_tree _tcp_forward_rules;
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Forward_rule_tree _udp_forward_rules;
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Transport_rule_list _tcp_rules;
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Transport_rule_list _udp_rules;
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Port_allocator _tcp_port_alloc;
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Port_allocator _udp_port_alloc;
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Nat_rule_tree _nat_rules;
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Pointer<Interface> _interface;
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void _read_forward_rules(Genode::Cstring const &protocol,
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Domain_tree &domains,
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Genode::Xml_node const &node,
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char const *type,
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Forward_rule_tree &rules);
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void _read_transport_rules(Genode::Cstring const &protocol,
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Domain_tree &domains,
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Genode::Xml_node const &node,
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char const *type,
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Transport_rule_list &rules);
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public:
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struct Invalid : Genode::Exception { };
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struct No_next_hop : Genode::Exception { };
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Domain(Configuration &config,
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Genode::Xml_node const &node,
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Genode::Allocator &alloc);
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void create_rules(Domain_tree &domains);
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Ipv4_address const &next_hop(Ipv4_address const &ip) const;
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/*********
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** log **
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*********/
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void print(Genode::Output &output) const;
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/***************
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** Accessors **
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***************/
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Domain_name const &name() { return _name; }
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Ip_rule_list &ip_rules() { return _ip_rules; }
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Forward_rule_tree &tcp_forward_rules() { return _tcp_forward_rules; }
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Forward_rule_tree &udp_forward_rules() { return _udp_forward_rules; }
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Transport_rule_list &tcp_rules() { return _tcp_rules; }
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Transport_rule_list &udp_rules() { return _udp_rules; }
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Nat_rule_tree &nat_rules() { return _nat_rules; }
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Ipv4_address_prefix &interface_attr() { return _interface_attr; }
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Pointer<Interface> &interface() { return _interface; }
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Configuration &config() const { return _config; }
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Domain_avl_member &avl_member() { return _avl_member; }
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};
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struct Net::Domain_tree : Genode::Avl_tree<Genode::Avl_string_base>
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{
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using Avl_tree = Genode::Avl_tree<Genode::Avl_string_base>;
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struct No_match : Genode::Exception { };
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static Domain &domain(Genode::Avl_string_base const &node);
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Domain &find_by_name(Domain_name name);
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template <typename FUNC>
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void for_each(FUNC && functor) const {
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Avl_tree::for_each([&] (Genode::Avl_string_base const &node) {
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functor(domain(node));
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});
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}
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void insert(Domain &domain) { Avl_tree::insert(&domain.avl_member()); }
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};
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#endif /* _DOMAIN_H_ */
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