49namespace ph = std::placeholders;
54struct CtrlDhcp4Hooks {
55 int hooks_index_dhcp4_srv_configured_;
79void signalHandler(
int signo) {
81 if (signo == SIGHUP) {
83 }
else if ((signo == SIGTERM) || (signo == SIGINT)) {
98 start_ = boost::posix_time::second_clock::universal_time();
106 string reason = comment ? comment->stringValue() :
107 "no details available";
136 if (file_name.empty()) {
139 " Please use -c command line option.");
153 "a map, i.e., start with { and end with } and contain "
154 "at least an entry called 'Dhcp4' that itself is a map. "
156 <<
" is a valid JSON, but its top element is not a map."
157 " Did you forget to add { } around your configuration?");
167 "process command \"config-set\"");
175 string reason = comment ? comment->stringValue() :
176 "no details available";
179 }
catch (
const std::exception& ex) {
185 .arg(file_name).arg(ex.what());
187 << file_name <<
"': " << ex.what());
199ControlledDhcpv4Srv::commandShutdownHandler(
const string&,
ConstElementPtr args) {
216 "parameter 'exit-value' is not an integer"));
219 exit_value = param->intValue();
228ControlledDhcpv4Srv::commandConfigReloadHandler(
const string&,
237 }
catch (
const std::exception& ex) {
244 "Config reload failed: " +
string(ex.what())));
249ControlledDhcpv4Srv::commandConfigGetHandler(
const string&,
259ControlledDhcpv4Srv::commandConfigHashGetHandler(
const string&,
271ControlledDhcpv4Srv::commandConfigWriteHandler(
const string&,
280 if (filename_param) {
283 "passed parameter 'filename' is not a string"));
285 filename = filename_param->stringValue();
289 if (filename.empty()) {
293 if (filename.empty()) {
295 "Please specify filename explicitly."));
300 }
catch (
const isc::Exception& ex) {
301 std::ostringstream msg;
302 msg <<
"not allowed to write config into " << filename
303 <<
": " << ex.
what();
313 }
catch (
const isc::Exception& ex) {
328 + filename +
" successful", params));
332ControlledDhcpv4Srv::commandConfigSetHandler(
const string&,
341 message =
"Missing mandatory 'arguments' parameter.";
343 dhcp4 = args->get(
"Dhcp4");
345 message =
"Missing mandatory 'Dhcp4' parameter.";
347 message =
"'Dhcp4' parameter expected to be a map.";
352 if (message.empty()) {
353 for (
auto const& obj : args->mapValue()) {
354 const string& obj_name = obj.first;
355 if (obj_name !=
"Dhcp4") {
358 if (message.empty()) {
359 message =
"Unsupported '" + obj_name +
"' parameter";
361 message +=
" (and '" + obj_name +
"')";
365 if (!message.empty()) {
370 if (!message.empty()) {
378 MultiThreadingCriticalSection cs;
427 }
catch (
const std::exception& ex) {
428 std::ostringstream err;
429 err <<
"Error initializing hooks: "
438ControlledDhcpv4Srv::commandConfigTestHandler(
const string&,
447 message =
"Missing mandatory 'arguments' parameter.";
449 dhcp4 = args->get(
"Dhcp4");
451 message =
"Missing mandatory 'Dhcp4' parameter.";
453 message =
"'Dhcp4' parameter expected to be a map.";
458 if (message.empty()) {
459 for (
auto const& obj : args->mapValue()) {
460 const string& obj_name = obj.first;
461 if (obj_name !=
"Dhcp4") {
464 if (message.empty()) {
465 message =
"Unsupported '" + obj_name +
"' parameter";
467 message +=
" (and '" + obj_name +
"')";
471 if (!message.empty()) {
476 if (!message.empty()) {
484 MultiThreadingCriticalSection cs;
496ControlledDhcpv4Srv::commandDhcpDisableHandler(
const std::string&,
498 std::ostringstream message;
499 int64_t max_period = 0;
511 message <<
"arguments for the 'dhcp-disable' command must be a map";
516 if (max_period_element) {
519 message <<
"'max-period' argument must be a number";
523 max_period = max_period_element->intValue();
524 if (max_period <= 0) {
525 message <<
"'max-period' must be positive integer";
538 if (origin_id_element) {
540 type = origin_id_element->intValue();
542 message <<
"'origin-id' argument must be a number";
544 }
else if (origin_element) {
545 switch (origin_element->getType()) {
547 origin = origin_element->stringValue();
548 if (origin ==
"ha-partner") {
550 }
else if (origin !=
"user") {
551 if (origin.empty()) {
552 origin =
"(empty string)";
554 message <<
"invalid value used for 'origin' parameter: "
559 type = origin_element->intValue();
563 message <<
"'origin' argument must be a string or a number";
570 if (message.tellp() == 0) {
571 message <<
"DHCPv4 service disabled";
572 if (max_period > 0) {
573 message <<
" for " << max_period <<
" seconds";
578 network_state_->delayedEnableService(
static_cast<unsigned>(max_period),
592ControlledDhcpv4Srv::commandDhcpEnableHandler(
const std::string&,
594 std::ostringstream message;
605 message <<
"arguments for the 'dhcp-enable' command must be a map";
617 if (origin_id_element) {
619 type = origin_id_element->intValue();
621 message <<
"'origin-id' argument must be a number";
623 }
else if (origin_element) {
624 switch (origin_element->getType()) {
626 origin = origin_element->stringValue();
627 if (origin ==
"ha-partner") {
629 }
else if (origin !=
"user") {
630 if (origin.empty()) {
631 origin =
"(empty string)";
633 message <<
"invalid value used for 'origin' parameter: "
638 type = origin_element->intValue();
642 message <<
"'origin' argument must be a string or a number";
649 if (message.tellp() == 0) {
654 "DHCP service successfully enabled"));
662ControlledDhcpv4Srv::commandVersionGetHandler(
const string&,
ConstElementPtr) {
665 arguments->set(
"extended", extended);
673ControlledDhcpv4Srv::commandBuildReportHandler(
const string&,
681ControlledDhcpv4Srv::commandLeasesReclaimHandler(
const string&,
688 message =
"Missing mandatory 'remove' parameter.";
692 message =
"Missing mandatory 'remove' parameter.";
694 message =
"'remove' parameter expected to be a boolean.";
696 bool remove_lease = remove_name->boolValue();
697 server_->alloc_engine_->reclaimExpiredLeases4(0, 0, remove_lease);
699 message =
"Reclamation of expired leases is complete.";
707ControlledDhcpv4Srv::commandSubnet4SelectTestHandler(
const string&,
715 bool ignore_link_sel =
717 SubnetSelector selector;
718 for (
auto const& entry : args->mapValue()) {
719 ostringstream errmsg;
720 if (entry.first ==
"interface") {
722 errmsg <<
"'interface' entry must be a string";
725 selector.
iface_name_ = entry.second->stringValue();
727 }
else if (entry.first ==
"address") {
729 errmsg <<
"'address' entry must be a string";
733 IOAddress addr(entry.second->stringValue());
735 errmsg <<
"bad 'address' entry: not IPv4";
740 }
catch (
const exception& ex) {
741 errmsg <<
"bad 'address' entry: " << ex.what();
744 }
else if (entry.first ==
"relay") {
746 errmsg <<
"'relay' entry must be a string";
750 IOAddress addr(entry.second->stringValue());
752 errmsg <<
"bad 'relay' entry: not IPv4";
757 }
catch (
const exception& ex) {
758 errmsg <<
"bad 'relay' entry: " << ex.what();
761 }
else if (entry.first ==
"local") {
763 errmsg <<
"'local' entry must be a string";
767 IOAddress addr(entry.second->stringValue());
769 errmsg <<
"bad 'local' entry: not IPv4";
774 }
catch (
const exception& ex) {
775 errmsg <<
"bad 'local' entry: " << ex.what();
778 }
else if (entry.first ==
"remote") {
780 errmsg <<
"'remote' entry must be a string";
784 IOAddress addr(entry.second->stringValue());
786 errmsg <<
"bad 'remote' entry: not IPv4";
791 }
catch (
const exception& ex) {
792 errmsg <<
"bad 'remote' entry: " << ex.what();
795 }
else if (entry.first ==
"link") {
797 errmsg <<
"'link' entry must be a string";
801 IOAddress addr(entry.second->stringValue());
803 errmsg <<
"bad 'link' entry: not IPv4";
806 if (!ignore_link_sel) {
810 }
catch (
const exception& ex) {
811 errmsg <<
"bad 'link' entry: " << ex.what();
814 }
else if (entry.first ==
"subnet") {
816 if (args->contains(
"link") && !ignore_link_sel) {
820 errmsg <<
"'subnet' entry must be a string";
824 IOAddress addr(entry.second->stringValue());
826 errmsg <<
"bad 'subnet' entry: not IPv4";
831 }
catch (
const exception& ex) {
832 errmsg <<
"bad 'subnet' entry: " << ex.what();
835 }
else if (entry.first ==
"classes") {
838 "'classes' entry must be a list"));
840 for (
auto const& item : entry.second->listValue()) {
842 errmsg <<
"'classes' entry must be a list of strings";
846 if (!item->stringValue().empty()) {
852 errmsg <<
"unknown entry '" << entry.first <<
"'";
857 getCfgSubnets4()->selectSubnet(selector);
862 subnet->getSharedNetwork(network);
865 msg <<
"selected shared network '" << network->getName()
866 <<
"' starting with subnet '" << subnet->toText()
867 <<
"' id " << subnet->getID();
869 msg <<
"selected subnet '" << subnet->toText()
870 <<
"' id " << subnet->getID();
876ControlledDhcpv4Srv::commandSubnet4o6SelectTestHandler(
const string&,
884 SubnetSelector selector;
888 for (
auto const& entry : args->mapValue()) {
889 ostringstream errmsg;
890 if (entry.first ==
"interface") {
892 errmsg <<
"'interface' entry must be a string";
895 selector.
iface_name_ = entry.second->stringValue();
897 }
if (entry.first ==
"interface-id") {
899 errmsg <<
"'interface-id' entry must be a string";
903 string str = entry.second->stringValue();
909 errmsg <<
"'interface-id' must be not empty";
917 errmsg <<
"value of 'interface-id' was not recognized";
920 }
else if (entry.first ==
"address") {
922 errmsg <<
"'address' entry must be a string";
926 IOAddress addr(entry.second->stringValue());
928 errmsg <<
"bad 'address' entry: not IPv4";
933 }
catch (
const exception& ex) {
934 errmsg <<
"bad 'address' entry: " << ex.what();
937 }
else if (entry.first ==
"relay") {
939 errmsg <<
"'relay' entry must be a string";
943 IOAddress addr(entry.second->stringValue());
945 errmsg <<
"bad 'relay' entry: not IPv4";
950 }
catch (
const exception& ex) {
951 errmsg <<
"bad 'relay' entry: " << ex.what();
954 }
else if (entry.first ==
"local") {
956 errmsg <<
"'local' entry must be a string";
960 IOAddress addr(entry.second->stringValue());
962 errmsg <<
"bad 'local' entry: not IPv6";
967 }
catch (
const exception& ex) {
968 errmsg <<
"bad 'local' entry: " << ex.what();
971 }
else if (entry.first ==
"remote") {
973 errmsg <<
"'remote' entry must be a string";
977 IOAddress addr(entry.second->stringValue());
979 errmsg <<
"bad 'remote' entry: not IPv6";
984 }
catch (
const exception& ex) {
985 errmsg <<
"bad 'remote' entry: " << ex.what();
988 }
else if (entry.first ==
"link") {
990 errmsg <<
"'link' entry must be a string";
994 IOAddress addr(entry.second->stringValue());
996 errmsg <<
"bad 'link' entry: not IPv6";
1001 }
catch (
const exception& ex) {
1002 errmsg <<
"bad 'link' entry: " << ex.what();
1005 }
else if (entry.first ==
"subnet") {
1007 errmsg <<
"'subnet' entry must be a string";
1011 IOAddress addr(entry.second->stringValue());
1013 errmsg <<
"bad 'subnet' entry: not IPv4";
1018 }
catch (
const exception& ex) {
1019 errmsg <<
"bad 'subnet' entry: " << ex.what();
1022 }
else if (entry.first ==
"classes") {
1025 "'classes' entry must be a list"));
1027 for (
auto const& item : entry.second->listValue()) {
1029 errmsg <<
"'classes' entry must be a list of strings";
1033 if (!item->stringValue().empty()) {
1039 errmsg <<
"unknown entry '" << entry.first <<
"'";
1044 getCfgSubnets4()->selectSubnet4o6(selector);
1049 subnet->getSharedNetwork(network);
1052 msg <<
"selected shared network '" << network->getName()
1053 <<
"' starting with subnet '" << subnet->toText()
1054 <<
"' id " << subnet->getID();
1056 msg <<
"selected subnet '" << subnet->toText()
1057 <<
"' id " << subnet->getID();
1063ControlledDhcpv4Srv::commandServerTagGetHandler(
const std::string&,
1065 const std::string& tag =
1074ControlledDhcpv4Srv::commandConfigBackendPullHandler(
const std::string&,
1082 MultiThreadingCriticalSection cs;
1095 auto mode = CBControlDHCPv4::FetchMode::FETCH_UPDATE;
1096 server_->getCBControl()->databaseConfigFetch(srv_cfg, mode);
1097 }
catch (
const std::exception& ex) {
1101 "On demand configuration update failed: " +
1102 string(ex.what())));
1105 "On demand configuration update successful."));
1109ControlledDhcpv4Srv::commandStatusGetHandler(
const string&,
1114 auto now = boost::posix_time::second_clock::universal_time();
1116 if (!
start_.is_not_a_date_time()) {
1117 auto uptime = now -
start_;
1122 if (!last_commit.is_not_a_date_time()) {
1123 auto reload = now - last_commit;
1128 if (mt_mgr.getMode()) {
1132 status->set(
"packet-queue-size",
Element::create(
static_cast<int32_t
>(
1135 queue_stats->add(
Element::create(mt_mgr.getThreadPool().getQueueStat(10)));
1136 queue_stats->add(
Element::create(mt_mgr.getThreadPool().getQueueStat(100)));
1137 queue_stats->add(
Element::create(mt_mgr.getThreadPool().getQueueStat(1000)));
1138 status->set(
"packet-queue-statistics", queue_stats);
1147 for (std::string
const&
error : interface->getErrors()) {
1154 if (socket_errors->empty()) {
1159 if (reconnect_ctl && reconnect_ctl->retriesLeft()) {
1164 sockets->set(
"errors", socket_errors);
1166 status->set(
"sockets", sockets);
1174ControlledDhcpv4Srv::commandStatisticSetMaxSampleCountAllHandler(
const string&,
1186ControlledDhcpv4Srv::commandStatisticSetMaxSampleAgeAllHandler(
const string&,
1207 std::ostringstream err;
1210 err <<
"Server object not initialized, can't process config.";
1233 }
catch (
const std::exception& ex) {
1234 err <<
"Failed to process configuration:" << ex.what();
1241 std::bind(&ControlledDhcpv4Srv::dbLostCallback, srv, ph::_1);
1244 std::bind(&ControlledDhcpv4Srv::dbRecoveredCallback, srv, ph::_1);
1247 std::bind(&ControlledDhcpv4Srv::dbFailedCallback, srv, ph::_1);
1250 string params =
"universe=4";
1251 cfg_db->setAppendedParameters(params);
1252 cfg_db->createManagers();
1257 }
catch (
const std::exception& ex) {
1258 err <<
"Unable to open database: " << ex.what();
1265 }
catch (
const std::exception& ex) {
1266 err <<
"Error starting DHCP_DDNS client after server reconfiguration: "
1274 }
catch (
const std::exception& ex) {
1275 err <<
"error starting DHCPv4-over-DHCPv6 IPC "
1276 " after server reconfiguration: " << ex.what();
1289 }
catch (
const std::exception& ex) {
1290 err <<
"Error setting packet queue controls after server reconfiguration: "
1298 std::bind(&ControlledDhcpv4Srv::openSocketsFailedCallback, srv, ph::_1);
1314 setupTimers(&ControlledDhcpv4Srv::reclaimExpiredLeases,
1315 &ControlledDhcpv4Srv::deleteExpiredReclaimedLeases,
1318 }
catch (
const std::exception& ex) {
1319 err <<
"unable to setup timers for periodically running the"
1320 " reclamation of the expired leases: "
1321 << ex.what() <<
".";
1328 long fetch_time =
static_cast<long>(ctl_info->getConfigFetchWaitTime());
1331 if (fetch_time > 0) {
1337 if (!server_->inTestMode()) {
1338 fetch_time = 1000 * fetch_time;
1341 boost::shared_ptr<unsigned> failure_count(
new unsigned(0));
1343 registerTimer(
"Dhcp4CBFetchTimer",
1344 std::bind(&ControlledDhcpv4Srv::cbFetchUpdates,
1358 if (notify_libraries) {
1359 return (notify_libraries);
1368 }
catch (
const std::exception& ex) {
1369 err <<
"Error initializing the lease allocators: "
1380 }
catch (
const std::exception& ex) {
1381 err <<
"Error applying multi threading settings: "
1400 callout_handle->setArgument(
"io_context", srv->
getIOService());
1402 callout_handle->setArgument(
"json_config",
config);
1403 callout_handle->setArgument(
"server_config",
CfgMgr::instance().getStagingCfg());
1412 callout_handle->getArgument(
"error",
error);
1414 error =
"unknown error";
1429 "Server object not initialized, can't process config.");
1440 uint16_t client_port )
1444 "There is another Dhcpv4Srv instance already.");
1467 std::bind(&ControlledDhcpv4Srv::commandBuildReportHandler,
this, ph::_1, ph::_2));
1470 std::bind(&ControlledDhcpv4Srv::commandConfigBackendPullHandler,
this, ph::_1, ph::_2));
1473 std::bind(&ControlledDhcpv4Srv::commandConfigGetHandler,
this, ph::_1, ph::_2));
1476 std::bind(&ControlledDhcpv4Srv::commandConfigHashGetHandler,
this, ph::_1, ph::_2));
1479 std::bind(&ControlledDhcpv4Srv::commandConfigReloadHandler,
this, ph::_1, ph::_2));
1482 std::bind(&ControlledDhcpv4Srv::commandConfigSetHandler,
this, ph::_1, ph::_2));
1485 std::bind(&ControlledDhcpv4Srv::commandConfigTestHandler,
this, ph::_1, ph::_2));
1488 std::bind(&ControlledDhcpv4Srv::commandConfigWriteHandler,
this, ph::_1, ph::_2));
1491 std::bind(&ControlledDhcpv4Srv::commandDhcpEnableHandler,
this, ph::_1, ph::_2));
1494 std::bind(&ControlledDhcpv4Srv::commandDhcpDisableHandler,
this, ph::_1, ph::_2));
1497 std::bind(&ControlledDhcpv4Srv::commandLeasesReclaimHandler,
this, ph::_1, ph::_2));
1500 std::bind(&ControlledDhcpv4Srv::commandSubnet4SelectTestHandler,
this, ph::_1, ph::_2));
1503 std::bind(&ControlledDhcpv4Srv::commandSubnet4o6SelectTestHandler,
this, ph::_1, ph::_2));
1506 std::bind(&ControlledDhcpv4Srv::commandServerTagGetHandler,
this, ph::_1, ph::_2));
1509 std::bind(&ControlledDhcpv4Srv::commandShutdownHandler,
this, ph::_1, ph::_2));
1512 std::bind(&ControlledDhcpv4Srv::commandStatusGetHandler,
this, ph::_1, ph::_2));
1515 std::bind(&ControlledDhcpv4Srv::commandVersionGetHandler,
this, ph::_1, ph::_2));
1540 std::bind(&ControlledDhcpv4Srv::commandStatisticSetMaxSampleAgeAllHandler,
this, ph::_1, ph::_2));
1546 std::bind(&ControlledDhcpv4Srv::commandStatisticSetMaxSampleCountAllHandler,
this, ph::_1, ph::_2));
1567 timer_mgr_->unregisterTimers();
1616ControlledDhcpv4Srv::reclaimExpiredLeases(
const size_t max_leases,
1617 const uint16_t timeout,
1618 const bool remove_lease,
1619 const uint16_t max_unwarned_cycles) {
1622 server_->
alloc_engine_->reclaimExpiredLeases4(max_leases, timeout,
1624 max_unwarned_cycles);
1628 getCfgExpiration()->getReclaimTimerWaitTime());
1630 }
catch (
const std::exception& ex) {
1639ControlledDhcpv4Srv::deleteExpiredReclaimedLeases(
const uint32_t secs) {
1641 server_->alloc_engine_->deleteExpiredReclaimedLeases4(secs);
1649ControlledDhcpv4Srv::dbLostCallback(
ReconnectCtlPtr db_reconnect_ctl) {
1650 if (!db_reconnect_ctl) {
1657 if (db_reconnect_ctl->retriesLeft() == db_reconnect_ctl->maxRetries() &&
1658 db_reconnect_ctl->alterServiceState()) {
1663 .arg(db_reconnect_ctl->id())
1664 .arg(db_reconnect_ctl->timerName());;
1668 if (!db_reconnect_ctl->retriesLeft() ||
1669 !db_reconnect_ctl->retryInterval()) {
1671 .arg(db_reconnect_ctl->retriesLeft())
1672 .arg(db_reconnect_ctl->retryInterval())
1673 .arg(db_reconnect_ctl->id())
1674 .arg(db_reconnect_ctl->timerName());
1675 if (db_reconnect_ctl->exitOnFailure()) {
1685ControlledDhcpv4Srv::dbRecoveredCallback(
ReconnectCtlPtr db_reconnect_ctl) {
1686 if (!db_reconnect_ctl) {
1693 if (db_reconnect_ctl->retriesLeft() != db_reconnect_ctl->maxRetries() &&
1694 db_reconnect_ctl->alterServiceState()) {
1699 .arg(db_reconnect_ctl->id())
1700 .arg(db_reconnect_ctl->timerName());
1702 db_reconnect_ctl->resetRetries();
1708ControlledDhcpv4Srv::dbFailedCallback(
ReconnectCtlPtr db_reconnect_ctl) {
1709 if (!db_reconnect_ctl) {
1716 .arg(db_reconnect_ctl->maxRetries())
1717 .arg(db_reconnect_ctl->id())
1718 .arg(db_reconnect_ctl->timerName());
1720 if (db_reconnect_ctl->exitOnFailure()) {
1728ControlledDhcpv4Srv::openSocketsFailedCallback(
ReconnectCtlPtr reconnect_ctl) {
1729 if (!reconnect_ctl) {
1736 .arg(reconnect_ctl->maxRetries());
1738 if (reconnect_ctl->exitOnFailure()) {
1744ControlledDhcpv4Srv::cbFetchUpdates(
const SrvConfigPtr& srv_cfg,
1745 boost::shared_ptr<unsigned> failure_count) {
1747 MultiThreadingCriticalSection cs;
1751 server_->getCBControl()->databaseConfigFetch(srv_cfg,
1752 CBControlDHCPv4::FetchMode::FETCH_UPDATE);
1753 (*failure_count) = 0;
1755 }
catch (
const std::exception& ex) {
1762 if (++(*failure_count) > 10) {
A generic exception that is thrown if a parameter given to a method is considered invalid in that con...
virtual const char * what() const
Returns a C-style character string of the cause of the exception.
A generic exception that is thrown if a function is called in a prohibited way.
static const IOAddress & IPV6_ZERO_ADDRESS()
Returns an IPv6 zero address.
static IOServiceMgr & instance()
Access the IOServiceMgr singleton instance.
void pollIOServices()
Poll IOService objects.
Implements an asynchronous "signal" for IOService driven processing.
static void setIOService(isc::asiolink::IOServicePtr io_service)
Set the I/O service.
virtual isc::data::ConstElementPtr processCommand(const isc::data::ConstElementPtr &cmd)
Triggers command processing.
void registerCommand(const std::string &cmd, CommandHandler handler)
Registers specified command handler for a given command.
static std::string getHash(const isc::data::ConstElementPtr &config)
returns a hash of a given Element structure
void deregisterCommand(const std::string &cmd)
Deregisters specified command handler.
static CommandMgr & instance()
CommandMgr is a singleton class.
static std::string DEFAULT_AUTHENTICATION_REALM
Default HTTP authentication realm.
void closeCommandSockets()
Close http control sockets.
static HttpCommandMgr & instance()
HttpCommandMgr is a singleton class.
void setIOService(const asiolink::IOServicePtr &io_service)
Sets IO service to be used by the http command manager.
static UnixCommandMgr & instance()
UnixCommandMgr is a singleton class.
void setIOService(const asiolink::IOServicePtr &io_service)
Sets IO service to be used by the unix command manager.
void closeCommandSockets()
Shuts down any open unix control sockets.
static ElementPtr create(const Position &pos=ZERO_POSITION())
static ElementPtr createMap(const Position &pos=ZERO_POSITION())
Creates an empty MapElement type ElementPtr.
static ElementPtr createList(const Position &pos=ZERO_POSITION())
Creates an empty ListElement type ElementPtr.
static void setIOService(const isc::asiolink::IOServicePtr &io_service)
Sets IO service to be used by the database backends.
static DbCallback db_recovered_callback_
Optional callback function to invoke if an opened connection recovery succeeded.
static DbCallback db_failed_callback_
Optional callback function to invoke if an opened connection recovery failed.
static DbCallback db_lost_callback_
Optional callback function to invoke if an opened connection is lost.
RAII class to enable DB reconnect retries on server startup.
static const std::string FLUSH_RECLAIMED_TIMER_NAME
Name of the timer for flushing reclaimed leases.
static const std::string RECLAIM_EXPIRED_TIMER_NAME
Name of the timer for reclaiming expired leases.
static OpenSocketsFailedCallback open_sockets_failed_callback_
Optional callback function to invoke if all retries of the opening sockets fail.
static CfgMgr & instance()
returns a single instance of Configuration Manager
SrvConfigPtr getStagingCfg()
Returns a pointer to the staging configuration.
void commit()
Commits the staging configuration.
void clearStagingConfiguration()
Remove staging configuration.
SrvConfigPtr getCurrentCfg()
Returns a pointer to the current configuration.
static void apply(data::ConstElementPtr value)
apply multi threading configuration
void insert(const ClientClass &class_name)
Insert an element.
Controlled version of the DHCPv4 server.
virtual ~ControlledDhcpv4Srv()
Destructor.
static isc::data::ConstElementPtr finishConfigHookLibraries(isc::data::ConstElementPtr config)
Configuration checker for hook libraries.
isc::data::ConstElementPtr loadConfigFile(const std::string &file_name)
Configure DHCPv4 server using the configuration file specified.
void cleanup()
Performs cleanup, immediately before termination.
ControlledDhcpv4Srv(uint16_t server_port=DHCP4_SERVER_PORT, uint16_t client_port=0)
Constructor.
static isc::data::ConstElementPtr checkConfig(isc::data::ConstElementPtr config)
Configuration checker.
void init(const std::string &config_file)
Initializes the server.
static isc::data::ConstElementPtr processConfig(isc::data::ConstElementPtr config)
Configuration processor.
static ControlledDhcpv4Srv * getInstance()
Returns pointer to the sole instance of Dhcpv4Srv.
virtual void shutdownServer(int exit_value)
Initiates shutdown procedure for the whole DHCPv4 server.
static Dhcp4to6Ipc & instance()
Returns pointer to the sole instance of Dhcp4to6Ipc.
virtual void open()
Open communication socket.
void startD2()
Starts DHCP_DDNS client IO if DDNS updates are enabled.
Dhcpv4Srv(uint16_t server_port=DHCP4_SERVER_PORT, uint16_t client_port=0, const bool use_bcast=true, const bool direct_response_desired=true)
Default constructor.
void shutdown() override
Instructs the server to shut down.
asiolink::IOServicePtr & getIOService()
Returns pointer to the IO service used by the server.
boost::shared_ptr< AllocEngine > alloc_engine_
Allocation Engine.
NetworkStatePtr & getNetworkState()
Returns pointer to the network state used by the server.
static std::string getVersion(bool extended)
returns Kea version on stdout and exit.
bool useBroadcast() const
Return bool value indicating that broadcast flags should be set on sockets.
NetworkStatePtr network_state_
Holds information about disabled DHCP service and/or disabled subnet/network scopes.
uint16_t getServerPort() const
Get UDP port on which server should listen.
static void create()
Creates new instance of the HostMgr.
static IfaceMgr & instance()
IfaceMgr is a singleton class.
static void destroy()
Destroy lease manager.
static void commitRuntimeOptionDefs()
Commits runtime option definitions.
static const unsigned int DB_CONNECTION
The network state is being altered by the DB connection recovery mechanics.
static const unsigned int USER_COMMAND
Origin of the network state transition.
static const unsigned int HA_REMOTE_COMMAND
The network state is being altered by a "dhcp-disable" or "dhcp-enable" command sent by a HA partner.
Evaluation context, an interface to the expression evaluation.
isc::data::ElementPtr parseFile(const std::string &filename, ParserType parser_type)
Run the parser on the file specified.
@ PARSER_DHCP4
This parser will parse the content as Dhcp4 config wrapped in a map (that's the regular config file)
Manages a pool of asynchronous interval timers.
static const TimerMgrPtr & instance()
Returns pointer to the sole instance of the TimerMgr.
@ NEXT_STEP_DROP
drop the packet
static int registerHook(const std::string &name)
Register Hook.
static bool calloutsPresent(int index)
Are callouts present?
static boost::shared_ptr< CalloutHandle > createCalloutHandle()
Return callout handle.
static void callCallouts(int index, CalloutHandle &handle)
Calls the callouts for a given hook.
std::string getConfigFile() const
Returns config file name.
virtual size_t writeConfigFile(const std::string &config_file, isc::data::ConstElementPtr cfg=isc::data::ConstElementPtr()) const
Writes current configuration to specified file.
isc::asiolink::IOSignalSetPtr signal_set_
A pointer to the object installing custom signal handlers.
boost::posix_time::ptime start_
Timestamp of the start of the daemon.
void checkWriteConfigFile(std::string &file)
Checks the to-be-written configuration file name.
void setExitValue(int value)
Sets the exit value.
isc::data::ConstElementPtr redactConfig(isc::data::ConstElementPtr const &config)
Redact a configuration.
static StatsMgr & instance()
Statistics Manager accessor method.
static MultiThreadingMgr & instance()
Returns a single instance of Multi Threading Manager.
void apply(bool enabled, uint32_t thread_count, uint32_t queue_size)
Apply the multi-threading related settings.
This file contains several functions and constants that are used for handling commands and responses ...
Contains declarations for loggers used by the DHCPv4 server component.
Defines the Dhcp4o6Ipc class.
#define isc_throw(type, stream)
A shortcut macro to insert known values into exception arguments.
isc::data::ConstElementPtr statisticSetMaxSampleCountAllHandler(const isc::data::ConstElementPtr ¶ms)
Handles statistic-sample-count-set-all command.
static isc::data::ConstElementPtr statisticResetHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-reset command.
static isc::data::ConstElementPtr statisticGetAllHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-get-all command.
static isc::data::ConstElementPtr statisticRemoveHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-remove command.
static isc::data::ConstElementPtr statisticGetHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-get command.
isc::data::ConstElementPtr statisticSetMaxSampleAgeAllHandler(const isc::data::ConstElementPtr ¶ms)
Handles statistic-sample-age-set-all command.
static isc::data::ConstElementPtr statisticResetAllHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-reset-all command.
static isc::data::ConstElementPtr statisticSetMaxSampleAgeHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-sample-age-set command.
static isc::data::ConstElementPtr statisticRemoveAllHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-remove-all command.
static isc::data::ConstElementPtr statisticSetMaxSampleCountHandler(const std::string &name, const isc::data::ConstElementPtr ¶ms)
Handles statistic-sample-count-set command.
uint32_t getMaxSampleCountDefault() const
Get default count limit.
const StatsDuration & getMaxSampleAgeDefault() const
Get default duration limit.
#define LOG_ERROR(LOGGER, MESSAGE)
Macro to conveniently test error output and log it.
#define LOG_INFO(LOGGER, MESSAGE)
Macro to conveniently test info output and log it.
#define LOG_WARN(LOGGER, MESSAGE)
Macro to conveniently test warn output and log it.
#define LOG_FATAL(LOGGER, MESSAGE)
Macro to conveniently test fatal output and log it.
#define LOG_DEBUG(LOGGER, LEVEL, MESSAGE)
Macro to conveniently test debug output and log it.
boost::shared_ptr< IOService > IOServicePtr
Defines a smart pointer to an IOService instance.
const int CONTROL_RESULT_EMPTY
Status code indicating that the specified command was completed correctly, but failed to produce any ...
ConstElementPtr parseAnswer(int &rcode, const ConstElementPtr &msg)
Parses a standard config/command level answer and returns arguments or text status code.
ConstElementPtr createCommand(const std::string &command)
Creates a standard command message with no argument (of the form { "command": "my_command" }...
const int CONTROL_RESULT_ERROR
Status code indicating a general failure.
ConstElementPtr createAnswer(const int status_code, const std::string &text, const ConstElementPtr &arg)
Creates a standard config/command level answer message.
ConstElementPtr createAnswer()
Creates a standard config/command level success answer message (i.e.
const int CONTROL_RESULT_SUCCESS
Status code indicating a successful operation.
boost::shared_ptr< const Element > ConstElementPtr
boost::shared_ptr< Element > ElementPtr
std::string getConfigReport()
const isc::log::MessageID DHCP4_NOT_RUNNING
const isc::log::MessageID DHCP4_DYNAMIC_RECONFIGURATION_FAIL
const isc::log::MessageID DHCP4_CONFIG_RECEIVED
const isc::log::MessageID DHCP4_DYNAMIC_RECONFIGURATION_SUCCESS
boost::shared_ptr< const Subnet4 > ConstSubnet4Ptr
A const pointer to a Subnet4 object.
boost::shared_ptr< CfgDbAccess > CfgDbAccessPtr
A pointer to the CfgDbAccess.
boost::shared_ptr< Iface > IfacePtr
Type definition for the pointer to an Iface object.
const isc::log::MessageID DHCP4_DB_RECONNECT_NO_DB_CTL
const isc::log::MessageID DHCP4_CB_PERIODIC_FETCH_UPDATES_RETRIES_EXHAUSTED
const isc::log::MessageID DHCP4_CONFIG_PACKET_QUEUE
boost::shared_ptr< SrvConfig > SrvConfigPtr
Non-const pointer to the SrvConfig.
const isc::log::MessageID DHCP4_CB_ON_DEMAND_FETCH_UPDATES_FAIL
const isc::log::MessageID DHCP4_CONFIG_LOAD_FAIL
const int DBG_DHCP4_COMMAND
Debug level used to log receiving commands.
const isc::log::MessageID DHCP4_DB_RECONNECT_DISABLED
const isc::log::MessageID DHCP4_CONFIG_UNRECOVERABLE_ERROR
const int DBG_DHCP4_BASIC
Debug level used to trace basic operations within the code.
const isc::log::MessageID DHCP4_DB_RECONNECT_SUCCEEDED
isc::data::ConstElementPtr configureDhcp4Server(Dhcpv4Srv &server, isc::data::ConstElementPtr config_set, bool check_only, bool extra_checks)
Configure DHCPv4 server (Dhcpv4Srv) with a set of configuration values.
const isc::log::MessageID DHCP4_MULTI_THREADING_INFO
const isc::log::MessageID DHCP4_OPEN_SOCKETS_NO_RECONNECT_CTL
const isc::log::MessageID DHCP4_RECLAIM_EXPIRED_LEASES_SKIPPED
isc::log::Logger dhcp4_logger(DHCP4_APP_LOGGER_NAME)
Base logger for DHCPv4 server.
boost::shared_ptr< SharedNetwork4 > SharedNetwork4Ptr
Pointer to SharedNetwork4 object.
const isc::log::MessageID DHCP4_DB_RECONNECT_FAILED
const isc::log::MessageID DHCP4_OPEN_SOCKETS_FAILED
const isc::log::MessageID DHCP4_DYNAMIC_RECONFIGURATION
const isc::log::MessageID DHCP4_RECLAIM_EXPIRED_LEASES_FAIL
boost::shared_ptr< Option > OptionPtr
const isc::log::MessageID DHCP4_CONFIG_UNSUPPORTED_OBJECT
const isc::log::MessageID DHCP4_CB_PERIODIC_FETCH_UPDATES_FAIL
const isc::log::MessageID DHCP4_DB_RECONNECT_LOST_CONNECTION
boost::shared_ptr< CalloutHandle > CalloutHandlePtr
A shared pointer to a CalloutHandle object.
long toSeconds(const StatsDuration &dur)
Returns the number of seconds in a duration.
void decodeFormattedHexString(const string &hex_string, vector< uint8_t > &binary)
Converts a formatted string of hexadecimal digits into a vector.
vector< uint8_t > quotedStringToBinary(const string "ed_string)
Converts a string in quotes into vector.
boost::shared_ptr< ReconnectCtl > ReconnectCtlPtr
Pointer to an instance of ReconnectCtl.
Defines the logger used by the top-level component of kea-lfc.
asiolink::IOAddress local_address_
Address on which the message was received.
bool dhcp4o6_
Specifies if the packet is DHCP4o6.
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 first_relay_linkaddr_
First relay link address.
asiolink::IOAddress giaddr_
giaddr from the client's message.