30 << subnet->getID() <<
"' is already in use");
36 << subnet->toText() <<
"' already exists");
40 .arg(subnet->toText());
41 static_cast<void>(subnets_.insert(subnet));
47 const SubnetID& subnet_id = subnet->getID();
48 auto& index = subnets_.template get<SubnetSubnetIdIndexTag>();
49 auto subnet_it = index.find(subnet_id);
50 if (subnet_it == index.end()) {
54 bool ret = index.replace(subnet_it, subnet);
57 .arg(subnet_id).arg(ret);
73 auto subnet_it = index.find(subnet_id);
74 if (subnet_it == index.end()) {
81 index.erase(subnet_it);
84 .arg(subnet->toText());
96 auto const& other_subnets = other.
getAll();
97 for (
auto const& other_subnet : (*other_subnets)) {
100 auto subnet_id_it = index_id.find(other_subnet->getID());
101 if (subnet_id_it != index_id.end()) {
104 auto existing_subnet = *subnet_id_it;
108 if (existing_subnet == other_subnet) {
120 existing_subnet->getSharedNetwork(network);
122 network->del(existing_subnet->getID());
126 index_id.erase(subnet_id_it);
130 auto subnet_prefix_it = index_prefix.find(other_subnet->toText());
131 if (subnet_prefix_it != index_prefix.end()) {
134 auto existing_subnet = *subnet_prefix_it;
144 existing_subnet->getSharedNetwork(network);
146 network->del(existing_subnet->getID());
150 index_prefix.erase(subnet_prefix_it);
154 other_subnet->getCfgOption()->createOptions(cfg_def);
157 for (
auto const& pool : other_subnet->getPoolsWritable(
Lease::TYPE_V4)) {
158 pool->getCfgOption()->createOptions(cfg_def);
162 static_cast<void>(subnets_.insert(other_subnet));
166 std::string network_name = other_subnet->getSharedNetworkName();
167 if (!network_name.empty()) {
170 network->add(other_subnet);
175 << other_subnet->getID()
176 <<
" to shared network: " << network_name
177 <<
", network does not exist");
186 auto subnet_it = index.find(subnet_id);
187 return ((subnet_it != index.cend()) ? (*subnet_it) :
ConstSubnet4Ptr());
193 auto subnet_it = index.find(subnet_text);
194 return ((subnet_it != index.cend()) ? (*subnet_it) :
ConstSubnet4Ptr());
200 auto subnet_it = index.find(server_id);
201 return (subnet_it != index.cend());
207 selector.
ciaddr_ = query->getCiaddr();
208 selector.
giaddr_ = query->getGiaddr();
225 boost::dynamic_pointer_cast<OptionCustom>(rai);
228 rai_custom->getOption(RAI_OPTION_LINK_SELECTION);
231 if (link_select_buf.size() ==
sizeof(uint32_t)) {
245 boost::dynamic_pointer_cast<OptionCustom>(sbnsel);
255 for (
auto const& subnet : subnets_) {
256 Cfg4o6& cfg4o6 = subnet->get4o6();
264 std::pair<asiolink::IOAddress, uint8_t> pref = cfg4o6.
getSubnet4o6();
265 if (!pref.first.isV6Zero()) {
312 for (
auto const& subnet : subnets_) {
316 if (subnet->hasRelays()) {
317 if (!subnet->hasRelayAddress(selector.
giaddr_)) {
324 subnet->getSharedNetwork(network);
325 if (!network || !(network->hasRelayAddress(selector.
giaddr_))) {
334 .arg(subnet->toText())
375 <<
" doesn't exist and therefore it is impossible"
376 " to find a suitable subnet for its IPv4 address");
390 iface->getAddress4(address);
410 for (
auto const& subnet : subnets_) {
416 subnet_selected = subnet;
424 subnet->getSharedNetwork(network);
427 subnet_selected = subnet;
431 if (subnet_selected) {
433 if (subnet_selected->clientSupported(client_classes)) {
436 .arg(subnet->toText())
438 return (subnet_selected);
455 for (
auto const& subnet : subnets_) {
456 if (subnet->getID() ==
id) {
466 for (
auto const& subnet : subnets_) {
469 if (!subnet->inRange(address)) {
474 if (subnet->clientSupported(client_classes)) {
476 .arg(subnet->toText())
495 StatsMgr& stats_mgr = StatsMgr::instance();
496 for (
auto const& subnet4 : subnets_) {
497 SubnetID subnet_id = subnet4->getID();
498 stats_mgr.
del(StatsMgr::generateName(
"subnet", subnet_id,
501 stats_mgr.
del(StatsMgr::generateName(
"subnet", subnet_id,
502 "assigned-addresses"));
504 stats_mgr.
del(StatsMgr::generateName(
"subnet", subnet_id,
505 "cumulative-assigned-addresses"));
507 stats_mgr.
del(StatsMgr::generateName(
"subnet", subnet_id,
508 "declined-addresses"));
510 stats_mgr.
del(StatsMgr::generateName(
"subnet", subnet_id,
511 "reclaimed-declined-addresses"));
513 stats_mgr.
del(StatsMgr::generateName(
"subnet", subnet_id,
514 "reclaimed-leases"));
522 StatsMgr& stats_mgr = StatsMgr::instance();
523 for (
auto const& subnet4 : subnets_) {
524 SubnetID subnet_id = subnet4->getID();
527 generateName(
"subnet", subnet_id,
"total-addresses"),
531 StatsMgr::generateName(
"subnet", subnet_id,
"cumulative-assigned-addresses");
533 stats_mgr.
setValue(name,
static_cast<int64_t
>(0));
536 name = StatsMgr::generateName(
"subnet", subnet_id,
"v4-reservation-conflicts");
538 stats_mgr.
setValue(name,
static_cast<int64_t
>(0));
543 if (subnets_.begin() != subnets_.end()) {
552 for (
auto const& subnet : subnets_) {
553 result->add(subnet->toElement());
A generic exception that is thrown if a parameter given to a method is considered invalid in that con...
A generic exception that is thrown if a function is called in a prohibited way.
The IOAddress class represents an IP addresses (version agnostic)
static const IOAddress & IPV4_ZERO_ADDRESS()
Returns an address set to all zeros.
bool isV4Zero() const
Convenience function to check if it is an IPv4 zero address.
std::string toText() const
Convert the address to a string.
bool isV4Bcast() const
Convenience function to check if it is an IPv4 broadcast address.
static IOAddress fromBytes(short family, const uint8_t *data)
Creates an address from over wire data.
static ElementPtr createList(const Position &pos=ZERO_POSITION())
Creates an empty ListElement type ElementPtr.
Holds subnets configured for the DHCPv4 server.
ConstSubnet4Ptr getBySubnetId(const SubnetID &subnet_id) const
Returns const pointer to a subnet identified by the specified subnet identifier.
void del(const ConstSubnet4Ptr &subnet)
Removes subnet from the configuration.
virtual isc::data::ElementPtr toElement() const
Unparse a configuration object.
bool hasSubnetWithServerId(const asiolink::IOAddress &server_id) const
Checks if specified server identifier has been specified for any subnet.
ConstSubnet4Ptr getByPrefix(const std::string &subnet_prefix) const
Returns const pointer to a subnet which matches the specified prefix in the canonical form.
void updateStatistics()
Updates statistics.
void merge(CfgOptionDefPtr cfg_def, CfgSharedNetworks4Ptr networks, CfgSubnets4 &other)
Merges specified subnet configuration into this configuration.
Subnet4Ptr selectSubnet4o6(const SubnetSelector &selector) const
Attempts to do subnet selection based on DHCP4o6 information.
Subnet4Ptr selectSubnet(const SubnetSelector &selector) const
Returns a pointer to the selected subnet.
Subnet4Ptr getSubnet(const SubnetID id) const
Returns subnet with specified subnet-id value.
Subnet4Ptr replace(const Subnet4Ptr &subnet)
Replaces subnet in the configuration.
void add(const Subnet4Ptr &subnet)
Adds new subnet to the configuration.
void removeStatistics()
Removes statistics.
const Subnet4Collection * getAll() const
Returns pointer to the collection of all IPv4 subnets.
static SubnetSelector initSelector(const Pkt4Ptr &query)
Build selector from a client's message.
Container for storing client class names.
Exception thrown upon attempt to add subnet with an ID that belongs to the subnet that already exists...
static IfaceMgr & instance()
IfaceMgr is a singleton class.
IfacePtr getIface(int ifindex)
Returns interface specified interface index.
static LeaseMgr & instance()
Return current lease manager.
void recountLeaseStats4()
Recalculates per-subnet and global stats for IPv4 leases.
Statistics Manager class.
ObservationPtr getObservation(const std::string &name) const
Returns an observation.
bool empty() const
Checks if the encapsulated value is empty.
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
bool del(const std::string &name)
Removes specified statistic.
void setValue(const std::string &name, const int64_t value)
Records absolute integer observation.
#define LOG_DEBUG(LOGGER, LEVEL, MESSAGE)
Macro to conveniently test debug output and log it.
IOAddress firstAddrInPrefix(const IOAddress &prefix, uint8_t len)
This code is based on similar code from the Dibbler project.
IOAddress lastAddrInPrefix(const IOAddress &prefix, uint8_t len)
returns a last address in a given prefix
boost::shared_ptr< Element > ElementPtr
isc::log::Logger dhcpsrv_logger("dhcpsrv")
DHCP server library Logger.
const isc::log::MessageID DHCPSRV_SUBNET4_SELECT_BY_INTERFACE_NO_MATCH
const isc::log::MessageID DHCPSRV_SUBNET4_SELECT_BY_ADDRESS_NO_MATCH
const isc::log::MessageID DHCPSRV_CFGMGR_SUBNET4_IFACE
boost::shared_ptr< Subnet4 > Subnet4Ptr
A pointer to a Subnet4 object.
const isc::log::MessageID DHCPSRV_CFGMGR_UPDATE_SUBNET4
const isc::log::MessageID DHCPSRV_CFGMGR_ADD_SUBNET4
const isc::log::MessageID DHCPSRV_SUBNET4O6_SELECT_FAILED
boost::shared_ptr< const Subnet4 > ConstSubnet4Ptr
A const pointer to a Subnet4 object.
boost::shared_ptr< OptionCustom > OptionCustomPtr
A pointer to the OptionCustom object.
boost::shared_ptr< Pkt4 > Pkt4Ptr
A pointer to Pkt4 object.
boost::shared_ptr< CfgOptionDef > CfgOptionDefPtr
Non-const pointer.
boost::shared_ptr< Iface > IfacePtr
Type definition for the pointer to an Iface object.
const isc::log::MessageID DHCPSRV_SUBNET4_SELECT_NO_RELAY_ADDRESS
const isc::log::MessageID DHCPSRV_CFGMGR_DEL_SUBNET4
const isc::log::MessageID DHCPSRV_SUBNET4_SELECT_NO_USABLE_ADDRESS
const isc::log::MessageID DHCPSRV_CFGMGR_SUBNET4_ADDR
const isc::log::MessageID DHCPSRV_SUBNET4_SELECT_NO_RAI_OPTIONS
const isc::log::MessageID DHCPSRV_CFGMGR_SUBNET4_RELAY
uint32_t SubnetID
Defines unique IPv4 or IPv6 subnet identifier.
const isc::log::MessageID DHCPSRV_SUBNET4_SELECT_BY_RELAY_ADDRESS_NO_MATCH
std::vector< uint8_t > OptionBuffer
buffer types used in DHCP code.
boost::shared_ptr< CfgSharedNetworks4 > CfgSharedNetworks4Ptr
Pointer to the configuration of IPv4 shared networks.
boost::shared_ptr< SharedNetwork4 > SharedNetwork4Ptr
Pointer to SharedNetwork4 object.
const int DHCPSRV_DBG_TRACE
DHCP server library logging levels.
boost::shared_ptr< Option > OptionPtr
Defines the logger used by the top-level component of kea-lfc.
This structure contains information about DHCP4o6 (RFC7341)
util::Optional< std::string > getIface4o6() const
Returns the DHCP4o6 interface.
util::Optional< std::pair< asiolink::IOAddress, uint8_t > > getSubnet4o6() const
Returns prefix/len for the IPv6 subnet.
bool enabled() const
Returns whether the DHCP4o6 is enabled or not.
OptionPtr getInterfaceId() const
Returns the interface-id.
Tag for the index for searching by subnet prefix.
Subnet selector used to specify parameters used to select a subnet.
asiolink::IOAddress local_address_
Address on which the message was received.
asiolink::IOAddress option_select_
RAI link select or subnet select option.
std::string iface_name_
Name of the interface on which the message was received.
asiolink::IOAddress ciaddr_
ciaddr from the client's message.
ClientClasses client_classes_
Classes that the client belongs to.
asiolink::IOAddress remote_address_
Source address of the message.
OptionPtr interface_id_
Interface id option.
asiolink::IOAddress giaddr_
giaddr from the client's message.
Tag for the index for searching by server identifier.
Tag for the index for searching by subnet identifier.