230 lines
7.3 KiB
C++
230 lines
7.3 KiB
C++
/*
|
|
* \brief Reflects an effective domain configuration node
|
|
* \author Martin Stein
|
|
* \date 2016-08-19
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2016-2017 Genode Labs GmbH
|
|
*
|
|
* This file is part of the Genode OS framework, which is distributed
|
|
* under the terms of the GNU Affero General Public License version 3.
|
|
*/
|
|
|
|
#ifndef _DOMAIN_H_
|
|
#define _DOMAIN_H_
|
|
|
|
/* local includes */
|
|
#include <forward_rule.h>
|
|
#include <transport_rule.h>
|
|
#include <nat_rule.h>
|
|
#include <ip_rule.h>
|
|
#include <arp_cache.h>
|
|
#include <port_allocator.h>
|
|
#include <pointer.h>
|
|
#include <ipv4_config.h>
|
|
#include <dhcp_server.h>
|
|
#include <interface.h>
|
|
|
|
/* Genode includes */
|
|
#include <util/avl_string.h>
|
|
#include <util/reconstructible.h>
|
|
|
|
namespace Genode {
|
|
|
|
class Xml_generator;
|
|
class Allocator;
|
|
}
|
|
|
|
namespace Net {
|
|
|
|
class Interface;
|
|
class Configuration;
|
|
class Domain_avl_member;
|
|
class Domain_base;
|
|
class Domain;
|
|
class Domain_tree;
|
|
using Domain_name = Genode::String<160>;
|
|
}
|
|
|
|
|
|
class Net::Domain_avl_member : public Genode::Avl_string_base
|
|
{
|
|
private:
|
|
|
|
Domain &_domain;
|
|
|
|
public:
|
|
|
|
Domain_avl_member(Domain_name const &name,
|
|
Domain &domain);
|
|
|
|
|
|
/***************
|
|
** Accessors **
|
|
***************/
|
|
|
|
Domain &domain() const { return _domain; }
|
|
};
|
|
|
|
|
|
class Net::Domain_base
|
|
{
|
|
protected:
|
|
|
|
Domain_name const _name;
|
|
|
|
Domain_base(Genode::Xml_node const node);
|
|
};
|
|
|
|
|
|
class Net::Domain : public Domain_base,
|
|
public List<Domain>::Element
|
|
{
|
|
private:
|
|
|
|
Domain_avl_member _avl_member;
|
|
Configuration &_config;
|
|
Genode::Xml_node _node;
|
|
Genode::Allocator &_alloc;
|
|
Ip_rule_list _ip_rules { };
|
|
Forward_rule_tree _tcp_forward_rules { };
|
|
Forward_rule_tree _udp_forward_rules { };
|
|
Transport_rule_list _tcp_rules { };
|
|
Transport_rule_list _udp_rules { };
|
|
Ip_rule_list _icmp_rules { };
|
|
Port_allocator _tcp_port_alloc { };
|
|
Port_allocator _udp_port_alloc { };
|
|
Port_allocator _icmp_port_alloc { };
|
|
Nat_rule_tree _nat_rules { };
|
|
Interface_list _interfaces { };
|
|
unsigned long _interface_cnt { 0 };
|
|
Pointer<Dhcp_server> _dhcp_server { };
|
|
Genode::Reconstructible<Ipv4_config> _ip_config;
|
|
bool const _ip_config_dynamic { !ip_config().valid };
|
|
List<Domain> _ip_config_dependents { };
|
|
Arp_cache _arp_cache { *this };
|
|
Arp_waiter_list _foreign_arp_waiters { };
|
|
Link_side_tree _tcp_links { };
|
|
Link_side_tree _udp_links { };
|
|
Link_side_tree _icmp_links { };
|
|
Genode::size_t _tx_bytes { 0 };
|
|
Genode::size_t _rx_bytes { 0 };
|
|
bool const _verbose_packets { false };
|
|
Genode::Session_label const _label;
|
|
|
|
void _read_forward_rules(Genode::Cstring const &protocol,
|
|
Domain_tree &domains,
|
|
Genode::Xml_node const node,
|
|
char const *type,
|
|
Forward_rule_tree &rules);
|
|
|
|
void _read_transport_rules(Genode::Cstring const &protocol,
|
|
Domain_tree &domains,
|
|
Genode::Xml_node const node,
|
|
char const *type,
|
|
Transport_rule_list &rules);
|
|
|
|
void __FIXME__dissolve_foreign_arp_waiters();
|
|
|
|
public:
|
|
|
|
struct Invalid : Genode::Exception { };
|
|
struct Ip_config_static : Genode::Exception { };
|
|
struct No_next_hop : Genode::Exception { };
|
|
|
|
Domain(Configuration &config,
|
|
Genode::Xml_node const node,
|
|
Genode::Allocator &alloc);
|
|
|
|
~Domain();
|
|
|
|
void init(Domain_tree &domains);
|
|
|
|
Ipv4_address const &next_hop(Ipv4_address const &ip) const;
|
|
|
|
void ip_config(Ipv4_config const &ip_config);
|
|
|
|
void ip_config(Ipv4_address ip,
|
|
Ipv4_address subnet_mask,
|
|
Ipv4_address gateway,
|
|
Ipv4_address dns_server);
|
|
|
|
void discard_ip_config();
|
|
|
|
void try_reuse_ip_config(Domain const &domain);
|
|
|
|
Link_side_tree &links(L3_protocol const protocol);
|
|
|
|
void attach_interface(Interface &interface);
|
|
|
|
void detach_interface(Interface &interface);
|
|
|
|
void raise_rx_bytes(Genode::size_t bytes) { _rx_bytes += bytes; }
|
|
|
|
void raise_tx_bytes(Genode::size_t bytes) { _tx_bytes += bytes; }
|
|
|
|
void report(Genode::Xml_generator &xml);
|
|
|
|
|
|
/*********
|
|
** log **
|
|
*********/
|
|
|
|
void print(Genode::Output &output) const;
|
|
|
|
|
|
/***************
|
|
** Accessors **
|
|
***************/
|
|
|
|
bool verbose_packets() const { return _verbose_packets; }
|
|
Genode::Session_label const &label() const { return _label; }
|
|
Ipv4_config const &ip_config() const { return *_ip_config; }
|
|
List<Domain> &ip_config_dependents() { return _ip_config_dependents; }
|
|
Domain_name const &name() const { return _name; }
|
|
Ip_rule_list &ip_rules() { return _ip_rules; }
|
|
Forward_rule_tree &tcp_forward_rules() { return _tcp_forward_rules; }
|
|
Forward_rule_tree &udp_forward_rules() { return _udp_forward_rules; }
|
|
Transport_rule_list &tcp_rules() { return _tcp_rules; }
|
|
Transport_rule_list &udp_rules() { return _udp_rules; }
|
|
Ip_rule_list &icmp_rules() { return _icmp_rules; }
|
|
Nat_rule_tree &nat_rules() { return _nat_rules; }
|
|
Interface_list &interfaces() { return _interfaces; }
|
|
Configuration &config() const { return _config; }
|
|
Domain_avl_member &avl_member() { return _avl_member; }
|
|
Dhcp_server &dhcp_server();
|
|
Arp_cache &arp_cache() { return _arp_cache; }
|
|
Arp_waiter_list &foreign_arp_waiters() { return _foreign_arp_waiters; }
|
|
Link_side_tree &tcp_links() { return _tcp_links; }
|
|
Link_side_tree &udp_links() { return _udp_links; }
|
|
Link_side_tree &icmp_links() { return _icmp_links; }
|
|
};
|
|
|
|
|
|
struct Net::Domain_tree : Genode::Avl_tree<Genode::Avl_string_base>
|
|
{
|
|
using Avl_tree = Genode::Avl_tree<Genode::Avl_string_base>;
|
|
|
|
struct No_match : Genode::Exception { };
|
|
|
|
static Domain &domain(Genode::Avl_string_base const &node);
|
|
|
|
Domain &find_by_name(Domain_name name);
|
|
|
|
template <typename FUNC>
|
|
void for_each(FUNC && functor) const {
|
|
Avl_tree::for_each([&] (Genode::Avl_string_base const &node) {
|
|
functor(domain(node));
|
|
});
|
|
}
|
|
|
|
void insert(Domain &domain) { Avl_tree::insert(&domain.avl_member()); }
|
|
|
|
void remove(Domain &domain) { Avl_tree::remove(&domain.avl_member()); }
|
|
|
|
void destroy_each(Genode::Deallocator &dealloc);
|
|
};
|
|
|
|
#endif /* _DOMAIN_H_ */
|