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nic_router: rename and move Ip_allocation
Rename Ip_allocation Dhcp_allocation and move it to dhcp_server.* . Ref #2534
This commit is contained in:
Martin Stein
Christian Helmuth
parent
127ceaccb5
commit
9d84d8b3bd
@ -13,11 +13,16 @@
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/* local includes */
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#include <dhcp_server.h>
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#include <interface.h>
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using namespace Net;
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using namespace Genode;
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/*****************
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** Dhcp_server **
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*****************/
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Dhcp_server::Dhcp_server(Xml_node const node,
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Allocator &alloc,
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Ipv4_address_prefix const &interface)
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@ -81,3 +86,71 @@ void Dhcp_server::free_ip(Ipv4_address const &ip)
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{
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_ip_alloc.free(ip.to_uint32_little_endian() - _ip_first_raw);
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}
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/*********************
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** Dhcp_allocation **
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*********************/
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Dhcp_allocation::Dhcp_allocation(Interface &interface,
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Ipv4_address const &ip,
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Mac_address const &mac,
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Timer::Connection &timer,
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Microseconds lifetime)
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:
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_interface(interface), _ip(ip), _mac(mac),
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_timeout(timer, *this, &Dhcp_allocation::_handle_timeout)
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{
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_timeout.schedule(lifetime);
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}
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void Dhcp_allocation::lifetime(Microseconds lifetime)
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{
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_timeout.schedule(lifetime);
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}
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bool Dhcp_allocation::_higher(Mac_address const &mac) const
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{
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return memcmp(mac.addr, _mac.addr, sizeof(_mac.addr)) > 0;
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}
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Dhcp_allocation &Dhcp_allocation::find_by_mac(Mac_address const &mac)
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{
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if (mac == _mac) {
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return *this; }
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Dhcp_allocation *const allocation = child(_higher(mac));
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if (!allocation) {
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throw Dhcp_allocation_tree::No_match(); }
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return allocation->find_by_mac(mac);
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}
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void Dhcp_allocation::print(Output &output) const
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{
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Genode::print(output, "MAC ", _mac, " IP ", _ip);
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}
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void Dhcp_allocation::_handle_timeout(Duration)
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{
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_interface.dhcp_allocation_expired(*this);
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}
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/**************************
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** Dhcp_allocation_tree **
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**************************/
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Dhcp_allocation &
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Dhcp_allocation_tree::find_by_mac(Mac_address const &mac) const
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{
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if (!first()) {
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throw No_match(); }
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return first()->find_by_mac(mac);
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}
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@ -19,11 +19,22 @@
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#include <bit_allocator_dynamic.h>
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/* Genode includes */
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#include <net/mac_address.h>
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#include <util/noncopyable.h>
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#include <util/xml_node.h>
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#include <os/duration.h>
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#include <timer_session/connection.h>
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namespace Net { class Dhcp_server; }
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namespace Net {
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class Dhcp_server;
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class Dhcp_allocation;
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class Dhcp_allocation;
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class Dhcp_allocation_tree;
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using Dhcp_allocation_list = Genode::List<Dhcp_allocation>;
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/* forward declarations */
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class Interface;
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}
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class Net::Dhcp_server : private Genode::Noncopyable
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@ -71,4 +82,67 @@ class Net::Dhcp_server : private Genode::Noncopyable
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Genode::Microseconds ip_lease_time() const { return _ip_lease_time; }
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};
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struct Net::Dhcp_allocation_tree : public Genode::Avl_tree<Dhcp_allocation>,
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private Genode::Noncopyable
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{
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struct No_match : Genode::Exception { };
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Dhcp_allocation &find_by_mac(Mac_address const &mac) const;
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};
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class Net::Dhcp_allocation : public Genode::Avl_node<Dhcp_allocation>,
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public Dhcp_allocation_list::Element,
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private Genode::Noncopyable
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{
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protected:
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Interface &_interface;
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Ipv4_address const _ip;
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Mac_address const _mac;
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Timer::One_shot_timeout<Dhcp_allocation> _timeout;
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bool _bound { false };
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void _handle_timeout(Genode::Duration);
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bool _higher(Mac_address const &mac) const;
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public:
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Dhcp_allocation(Interface &interface,
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Ipv4_address const &ip,
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Mac_address const &mac,
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Timer::Connection &timer,
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Genode::Microseconds lifetime);
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Dhcp_allocation &find_by_mac(Mac_address const &mac);
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void lifetime(Genode::Microseconds lifetime);
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/**************
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** Avl_node **
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**************/
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bool higher(Dhcp_allocation *alloc) { return _higher(alloc->_mac); }
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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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Ipv4_address const &ip() const { return _ip; }
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bool bound() const { return _bound; }
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void set_bound() { _bound = true; }
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};
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#endif /* _DHCP_SERVER_H_ */
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@ -244,10 +244,10 @@ void Interface::link_closed(Link &link, L3_protocol const prot)
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}
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void Interface::ip_allocation_expired(Ip_allocation &allocation)
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void Interface::dhcp_allocation_expired(Dhcp_allocation &allocation)
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{
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_release_ip_allocation(allocation);
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_released_ip_allocations.insert(&allocation);
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_release_dhcp_allocation(allocation);
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_released_dhcp_allocations.insert(&allocation);
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}
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@ -397,12 +397,12 @@ void Interface::_send_dhcp_reply(Dhcp_server const &dhcp_srv,
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}
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void Interface::_release_ip_allocation(Ip_allocation &allocation)
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void Interface::_release_dhcp_allocation(Dhcp_allocation &allocation)
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{
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if (_config().verbose()) {
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log("Release IP allocation: ", allocation, " at ", *this);
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}
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_ip_allocations.remove(&allocation);
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_dhcp_allocations.remove(&allocation);
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}
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@ -420,8 +420,8 @@ void Interface::_handle_dhcp_request(Ethernet_frame ð,
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try {
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/* look up existing DHCP configuration for client */
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Ip_allocation &allocation =
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_ip_allocations.find_by_mac(dhcp.client_mac());
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Dhcp_allocation &allocation =
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_dhcp_allocations.find_by_mac(dhcp.client_mac());
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switch (msg_type) {
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case Dhcp_packet::Message_type::DISCOVER:
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@ -467,8 +467,8 @@ void Interface::_handle_dhcp_request(Ethernet_frame ð,
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} else {
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_release_ip_allocation(allocation);
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_destroy_ip_allocation(allocation);
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_release_dhcp_allocation(allocation);
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_destroy_dhcp_allocation(allocation);
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return;
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}
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}
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@ -483,8 +483,8 @@ void Interface::_handle_dhcp_request(Ethernet_frame ð,
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case Dhcp_packet::Message_type::DECLINE:
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case Dhcp_packet::Message_type::RELEASE:
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_release_ip_allocation(allocation);
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_destroy_ip_allocation(allocation);
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_release_dhcp_allocation(allocation);
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_destroy_dhcp_allocation(allocation);
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return;
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case Dhcp_packet::Message_type::NAK:
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@ -493,18 +493,17 @@ void Interface::_handle_dhcp_request(Ethernet_frame ð,
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default: throw Bad_dhcp_request();
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}
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}
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catch (Ip_allocation_tree::No_match) {
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catch (Dhcp_allocation_tree::No_match) {
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switch (msg_type) {
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case Dhcp_packet::Message_type::DISCOVER:
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{
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Ip_allocation &allocation = *new (_alloc)
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Ip_allocation(*this, _config(),
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dhcp_srv.alloc_ip(),
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dhcp.client_mac(), _timer,
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_config().rtt());
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Dhcp_allocation &allocation = *new (_alloc)
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Dhcp_allocation(*this, dhcp_srv.alloc_ip(),
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dhcp.client_mac(), _timer,
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_config().rtt());
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_ip_allocations.insert(&allocation);
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_dhcp_allocations.insert(&allocation);
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if (_config().verbose()) {
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log("Offer IP allocation: ", allocation,
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" at ", *this);
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@ -789,18 +788,18 @@ void Interface::_ready_to_ack()
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}
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void Interface::_destroy_ip_allocation(Ip_allocation &allocation)
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void Interface::_destroy_dhcp_allocation(Dhcp_allocation &allocation)
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{
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_domain.dhcp_server().free_ip(allocation.ip());
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destroy(_alloc, &allocation);
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}
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void Interface::_destroy_released_ip_allocations()
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void Interface::_destroy_released_dhcp_allocations()
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{
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while (Ip_allocation *allocation = _released_ip_allocations.first()) {
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_released_ip_allocations.remove(allocation);
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_destroy_ip_allocation(*allocation);
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while (Dhcp_allocation *allocation = _released_dhcp_allocations.first()) {
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_released_dhcp_allocations.remove(allocation);
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_destroy_dhcp_allocation(*allocation);
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}
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}
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@ -812,7 +811,7 @@ void Interface::_handle_eth(void *const eth_base,
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/* do garbage collection over transport-layer links and IP allocations */
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_destroy_closed_links<Udp_link>(_closed_udp_links, _alloc);
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_destroy_closed_links<Tcp_link>(_closed_tcp_links, _alloc);
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_destroy_released_ip_allocations();
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_destroy_released_dhcp_allocations();
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/* inspect and handle ethernet frame */
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try {
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@ -955,10 +954,10 @@ Interface::~Interface()
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_destroy_links<Udp_link>(_udp_links, _closed_udp_links, _alloc);
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/* destroy IP allocations */
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_destroy_released_ip_allocations();
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while (Ip_allocation *allocation = _ip_allocations.first()) {
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_ip_allocations.remove(allocation);
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_destroy_ip_allocation(*allocation);
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_destroy_released_dhcp_allocations();
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while (Dhcp_allocation *allocation = _dhcp_allocations.first()) {
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_dhcp_allocations.remove(allocation);
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_destroy_dhcp_allocation(*allocation);
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}
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}
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@ -973,75 +972,3 @@ void Interface::print(Output &output) const
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{
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Genode::print(output, "\"", _domain.name(), "\"");
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}
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/*******************
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** Ip_allocation **
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*******************/
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Ip_allocation::Ip_allocation(Interface &interface,
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Configuration &config,
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Ipv4_address const &ip,
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Mac_address const &mac,
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Timer::Connection &timer,
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Microseconds lifetime)
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:
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_interface(interface),
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_config(config),
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_ip(ip),
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_mac(mac),
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_release_timeout(timer, *this, &Ip_allocation::_handle_release_timeout)
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{
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_release_timeout.schedule(lifetime);
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}
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void Ip_allocation::lifetime(Microseconds lifetime)
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{
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_release_timeout.schedule(lifetime);
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}
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bool Ip_allocation::_higher(Mac_address const &mac) const
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{
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return memcmp(mac.addr, _mac.addr, sizeof(_mac.addr)) > 0;
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}
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Ip_allocation &Ip_allocation::find_by_mac(Mac_address const &mac)
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{
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if (mac == _mac) {
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return *this; }
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Ip_allocation *const allocation = child(_higher(mac));
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if (!allocation) {
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throw Ip_allocation_tree::No_match(); }
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return allocation->find_by_mac(mac);
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}
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void Ip_allocation::print(Output &output) const
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{
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Genode::print(output, "MAC ", _mac, " IP ", _ip);
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}
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void Ip_allocation::_handle_release_timeout(Duration)
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{
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_interface.ip_allocation_expired(*this);
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}
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/************************
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** Ip_allocation_tree **
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************************/
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Ip_allocation &
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Ip_allocation_tree::find_by_mac(Mac_address const &mac) const
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{
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if (!first()) {
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throw No_match(); }
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return first()->find_by_mac(mac);
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}
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@ -20,6 +20,7 @@
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#include <arp_waiter.h>
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#include <l3_protocol.h>
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#include <dhcp_client.h>
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#include <dhcp_server.h>
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/* Genode includes */
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#include <nic_session/nic_session.h>
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@ -35,9 +36,6 @@ namespace Net {
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class Transport_rule_list;
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class Ethernet_frame;
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class Arp_packet;
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class Ip_allocation;
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class Ip_allocation_tree;
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using Ip_allocation_list = Genode::List<Ip_allocation>;
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class Interface;
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class Dhcp_server;
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class Configuration;
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@ -45,69 +43,6 @@ namespace Net {
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}
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class Net::Ip_allocation : public Genode::Avl_node<Ip_allocation>,
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public Ip_allocation_list::Element
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{
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protected:
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Interface &_interface;
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Configuration &_config;
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Ipv4_address const _ip;
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Mac_address const _mac;
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Timer::One_shot_timeout<Ip_allocation> _release_timeout;
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bool _bound { false };
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void _handle_release_timeout(Genode::Duration);
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bool _higher(Mac_address const &mac) const;
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public:
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Ip_allocation(Interface &interface,
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Configuration &config,
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Ipv4_address const &ip,
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Mac_address const &mac,
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Timer::Connection &timer,
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Genode::Microseconds lifetime);
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Ip_allocation &find_by_mac(Mac_address const &mac);
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void lifetime(Genode::Microseconds lifetime);
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/**************
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** Avl_node **
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**************/
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bool higher(Ip_allocation *allocation) { return _higher(allocation->_mac); }
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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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Ipv4_address const &ip() const { return _ip; }
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bool bound() const { return _bound; }
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void set_bound() { _bound = true; }
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};
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struct Net::Ip_allocation_tree : public Genode::Avl_tree<Ip_allocation>
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{
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struct No_match : Genode::Exception { };
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Ip_allocation &find_by_mac(Mac_address const &mac) const;
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};
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class Net::Interface
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{
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protected:
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@ -125,19 +60,19 @@ class Net::Interface
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private:
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Timer::Connection &_timer;
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Genode::Allocator &_alloc;
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Domain &_domain;
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Arp_cache _arp_cache;
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Arp_waiter_list _own_arp_waiters;
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Arp_waiter_list _foreign_arp_waiters;
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Link_side_tree _tcp_links;
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Link_side_tree _udp_links;
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Link_list _closed_tcp_links;
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Link_list _closed_udp_links;
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Ip_allocation_tree _ip_allocations;
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Ip_allocation_list _released_ip_allocations;
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Dhcp_client _dhcp_client { _alloc, _timer, *this };
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Timer::Connection &_timer;
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Genode::Allocator &_alloc;
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Domain &_domain;
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Arp_cache _arp_cache;
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Arp_waiter_list _own_arp_waiters;
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Arp_waiter_list _foreign_arp_waiters;
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Link_side_tree _tcp_links;
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Link_side_tree _udp_links;
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Link_list _closed_tcp_links;
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Link_list _closed_udp_links;
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Dhcp_allocation_tree _dhcp_allocations;
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Dhcp_allocation_list _released_dhcp_allocations;
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Dhcp_client _dhcp_client { _alloc, _timer, *this };
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|
||||
void _new_link(L3_protocol const protocol,
|
||||
Link_side_id const &local_id,
|
||||
@ -145,11 +80,11 @@ class Net::Interface
|
||||
Interface &remote_interface,
|
||||
Link_side_id const &remote_id);
|
||||
|
||||
void _destroy_released_ip_allocations();
|
||||
void _destroy_released_dhcp_allocations();
|
||||
|
||||
void _destroy_ip_allocation(Ip_allocation &allocation);
|
||||
void _destroy_dhcp_allocation(Dhcp_allocation &allocation);
|
||||
|
||||
void _release_ip_allocation(Ip_allocation &allocation);
|
||||
void _release_dhcp_allocation(Dhcp_allocation &allocation);
|
||||
|
||||
void _send_dhcp_reply(Dhcp_server const &dhcp_srv,
|
||||
Mac_address const &client_mac,
|
||||
@ -267,7 +202,7 @@ class Net::Interface
|
||||
|
||||
void link_closed(Link &link, L3_protocol const prot);
|
||||
|
||||
void ip_allocation_expired(Ip_allocation &allocation);
|
||||
void dhcp_allocation_expired(Dhcp_allocation &allocation);
|
||||
|
||||
void dissolve_link(Link_side &link_side, L3_protocol const prot);
|
||||
|
||||
|
||||
Loading…
Reference in New Issue
Block a user