3a59f11708
Free a MAC address of a session as soon as the session gets destructed. Adds also according tests to the autopilot list. Fixes #2470
105 lines
2.4 KiB
C++
105 lines
2.4 KiB
C++
/*
|
|
* \brief Address-node holds a client-specific session-component.
|
|
* \author Stefan Kalkowski
|
|
* \date 2010-08-25
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2010-2017 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 _ADDRESS_NODE_H_
|
|
#define _ADDRESS_NODE_H_
|
|
|
|
/* Genode */
|
|
#include <util/avl_tree.h>
|
|
#include <util/list.h>
|
|
#include <nic_session/nic_session.h>
|
|
#include <net/netaddress.h>
|
|
#include <net/ethernet.h>
|
|
#include <net/ipv4.h>
|
|
|
|
namespace Net {
|
|
|
|
/* Forward declaration */
|
|
class Session_component;
|
|
|
|
|
|
/**
|
|
* An Address_node encapsulates a session-component and can be hold in
|
|
* a list and/or avl-tree, whereby the network-address (MAC or IP)
|
|
* acts as a key.
|
|
*/
|
|
template <typename ADDRESS> class Address_node;
|
|
|
|
using Ipv4_address_node = Address_node<Ipv4_address>;
|
|
using Mac_address_node = Address_node<Mac_address>;
|
|
}
|
|
|
|
|
|
template <typename ADDRESS>
|
|
class Net::Address_node : public Genode::Avl_node<Address_node<ADDRESS> >,
|
|
public Genode::List<Address_node<ADDRESS> >::Element
|
|
{
|
|
private:
|
|
|
|
ADDRESS _addr; /* MAC or IP address */
|
|
Session_component &_component; /* client's component */
|
|
|
|
public:
|
|
|
|
using Address = ADDRESS;
|
|
|
|
/**
|
|
* Constructor
|
|
*
|
|
* \param component reference to client's session component.
|
|
*/
|
|
Address_node(Session_component &component,
|
|
Address addr = Address())
|
|
: _addr(addr), _component(component) { }
|
|
|
|
|
|
/***************
|
|
** Accessors **
|
|
***************/
|
|
|
|
void addr(Address addr) { _addr = addr; }
|
|
Address addr() const { return _addr; }
|
|
Session_component &component() { return _component; }
|
|
|
|
|
|
/************************
|
|
** Avl node interface **
|
|
************************/
|
|
|
|
bool higher(Address_node *c)
|
|
{
|
|
using namespace Genode;
|
|
|
|
return (memcmp(&c->_addr.addr, &_addr.addr,
|
|
sizeof(_addr.addr)) > 0);
|
|
}
|
|
|
|
/**
|
|
* Find by address
|
|
*/
|
|
Address_node *find_by_address(Address addr)
|
|
{
|
|
using namespace Genode;
|
|
|
|
if (addr == _addr)
|
|
return this;
|
|
|
|
bool side = memcmp(&addr.addr, _addr.addr,
|
|
sizeof(_addr.addr)) > 0;
|
|
Address_node *c = Avl_node<Address_node>::child(side);
|
|
return c ? c->find_by_address(addr) : 0;
|
|
}
|
|
};
|
|
|
|
#endif /* _ADDRESS_NODE_H_ */
|