--- /dev/null
+// Copyright (C) 2021 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#include <config.h>
+
+#include <pgsql_cb_dhcp4.h>
+#include <pgsql_cb_impl.h>
+#include <pgsql_macros.h>
+#include <cc/data.h>
+#include <config_backend/constants.h>
+#include <database/database_connection.h>
+#include <database/db_exceptions.h>
+#include <dhcp/classify.h>
+#include <dhcp/dhcp6.h>
+#include <dhcp/libdhcp++.h>
+#include <dhcp/option_data_types.h>
+#include <dhcp/option_space.h>
+#include <dhcpsrv/cfgmgr.h>
+#include <dhcpsrv/config_backend_dhcp4_mgr.h>
+#include <dhcpsrv/network.h>
+#include <dhcpsrv/pool.h>
+#include <dhcpsrv/lease.h>
+#include <dhcpsrv/timer_mgr.h>
+#include <util/buffer.h>
+#include <util/boost_time_utils.h>
+#include <pgsql/pgsql_connection.h>
+#include <boost/date_time/posix_time/posix_time.hpp>
+#include <boost/lexical_cast.hpp>
+#include <boost/pointer_cast.hpp>
+#include <boost/scoped_ptr.hpp>
+#include <array>
+#include <sstream>
+#include <utility>
+#include <vector>
+
+using namespace isc::cb;
+using namespace isc::db;
+using namespace isc::data;
+using namespace isc::asiolink;
+using namespace isc::log;
+using namespace isc::util;
+
+namespace isc {
+namespace dhcp {
+
+/// @brief Implementation of the Postgres Configuration Backend.
+class PgSqlConfigBackendDHCPv4Impl : public PgSqlConfigBackendImpl {
+public:
+
+ /// @brief Statement tags.
+ ///
+ /// The contents of the enum are indexes into the list of SQL statements.
+ /// It is assumed that the order is such that the indices of statements
+ /// reading the database are less than those of statements modifying the
+ /// database.
+ enum StatementIndex {
+ CREATE_AUDIT_REVISION,
+ GET_GLOBAL_PARAMETER4,
+ GET_ALL_GLOBAL_PARAMETERS4,
+ GET_MODIFIED_GLOBAL_PARAMETERS4,
+ GET_SUBNET4_ID_NO_TAG,
+ GET_SUBNET4_ID_ANY,
+ GET_SUBNET4_ID_UNASSIGNED,
+ GET_SUBNET4_PREFIX_NO_TAG,
+ GET_SUBNET4_PREFIX_ANY,
+ GET_SUBNET4_PREFIX_UNASSIGNED,
+ GET_ALL_SUBNETS4,
+ GET_ALL_SUBNETS4_UNASSIGNED,
+ GET_MODIFIED_SUBNETS4,
+ GET_MODIFIED_SUBNETS4_UNASSIGNED,
+ GET_SHARED_NETWORK_SUBNETS4,
+ GET_POOL4_RANGE,
+ GET_POOL4_RANGE_ANY,
+ GET_SHARED_NETWORK4_NAME_NO_TAG,
+ GET_SHARED_NETWORK4_NAME_ANY,
+ GET_SHARED_NETWORK4_NAME_UNASSIGNED,
+ GET_ALL_SHARED_NETWORKS4,
+ GET_ALL_SHARED_NETWORKS4_UNASSIGNED,
+ GET_MODIFIED_SHARED_NETWORKS4,
+ GET_MODIFIED_SHARED_NETWORKS4_UNASSIGNED,
+ GET_OPTION_DEF4_CODE_SPACE,
+ GET_ALL_OPTION_DEFS4,
+ GET_MODIFIED_OPTION_DEFS4,
+ GET_OPTION4_CODE_SPACE,
+ GET_ALL_OPTIONS4,
+ GET_MODIFIED_OPTIONS4,
+ GET_OPTION4_SUBNET_ID_CODE_SPACE,
+ GET_OPTION4_POOL_ID_CODE_SPACE,
+ GET_OPTION4_SHARED_NETWORK_CODE_SPACE,
+ GET_AUDIT_ENTRIES4_TIME,
+ GET_SERVER4,
+ GET_ALL_SERVERS4,
+ INSERT_GLOBAL_PARAMETER4,
+ INSERT_GLOBAL_PARAMETER4_SERVER,
+ INSERT_SUBNET4,
+ INSERT_SUBNET4_SERVER,
+ INSERT_POOL4,
+ INSERT_SHARED_NETWORK4,
+ INSERT_SHARED_NETWORK4_SERVER,
+ INSERT_OPTION_DEF4,
+ INSERT_OPTION_DEF4_SERVER,
+ INSERT_OPTION4,
+ INSERT_OPTION4_SERVER,
+ INSERT_SERVER4,
+ UPDATE_GLOBAL_PARAMETER4,
+ UPDATE_SUBNET4,
+ UPDATE_SHARED_NETWORK4,
+ UPDATE_OPTION_DEF4,
+ UPDATE_OPTION4,
+ UPDATE_OPTION4_SUBNET_ID,
+ UPDATE_OPTION4_POOL_ID,
+ UPDATE_OPTION4_SHARED_NETWORK,
+ UPDATE_SERVER4,
+ DELETE_GLOBAL_PARAMETER4,
+ DELETE_ALL_GLOBAL_PARAMETERS4,
+ DELETE_ALL_GLOBAL_PARAMETERS4_UNASSIGNED,
+ DELETE_SUBNET4_ID_WITH_TAG,
+ DELETE_SUBNET4_ID_ANY,
+ DELETE_SUBNET4_PREFIX_WITH_TAG,
+ DELETE_SUBNET4_PREFIX_ANY,
+ DELETE_ALL_SUBNETS4,
+ DELETE_ALL_SUBNETS4_UNASSIGNED,
+ DELETE_ALL_SUBNETS4_SHARED_NETWORK_NAME,
+ DELETE_SUBNET4_SERVER,
+ DELETE_POOLS4,
+ DELETE_SHARED_NETWORK4_NAME_WITH_TAG,
+ DELETE_SHARED_NETWORK4_NAME_ANY,
+ DELETE_ALL_SHARED_NETWORKS4,
+ DELETE_ALL_SHARED_NETWORKS4_UNASSIGNED,
+ DELETE_SHARED_NETWORK4_SERVER,
+ DELETE_OPTION_DEF4_CODE_NAME,
+ DELETE_ALL_OPTION_DEFS4,
+ DELETE_ALL_OPTION_DEFS4_UNASSIGNED,
+ DELETE_OPTION4,
+ DELETE_ALL_GLOBAL_OPTIONS4_UNASSIGNED,
+ DELETE_OPTION4_SUBNET_ID,
+ DELETE_OPTION4_POOL_RANGE,
+ DELETE_OPTION4_SHARED_NETWORK,
+ DELETE_OPTIONS4_SUBNET_ID_PREFIX,
+ DELETE_OPTIONS4_SHARED_NETWORK,
+ DELETE_SERVER4,
+ DELETE_ALL_SERVERS4,
+ NUM_STATEMENTS
+ };
+
+ /// @brief Constructor.
+ ///
+ /// @param parameters A data structure relating keywords and values
+ /// concerned with the database.
+ explicit PgSqlConfigBackendDHCPv4Impl(const DatabaseConnection::ParameterMap&
+ parameters);
+
+ /// @brief Destructor.
+ ~PgSqlConfigBackendDHCPv4Impl();
+
+ /// @brief Sends query to retrieve global parameter.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the parameter to be retrieved.
+ ///
+ /// @return Pointer to the retrieved value or null if such parameter
+ /// doesn't exist.
+ StampedValuePtr getGlobalParameter4(const ServerSelector& server_selector,
+ const std::string& name) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update global parameter.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the global parameter.
+ /// @param value Value of the global parameter.
+ void createUpdateGlobalParameter4(const db::ServerSelector& server_selector,
+ const StampedValuePtr& value) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve single subnet by id.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Subnet identifier.
+ ///
+ /// @return Pointer to the returned subnet or NULL if such subnet
+ /// doesn't exist.
+ Subnet4Ptr getSubnet4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve single subnet by prefix.
+ ///
+ /// The prefix should be in the following format: "192.0.2.0/24".
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Subnet identifier.
+ ///
+ /// @return Pointer to the returned subnet or NULL if such subnet
+ /// doesn't exist.
+ Subnet4Ptr getSubnet4(const ServerSelector& server_selector,
+ const std::string& subnet_prefix) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve all subnets.
+ ///
+ /// @param server_selector Server selector.
+ /// @param [out] subnets Reference to the subnet collection structure where
+ /// subnets should be inserted.
+ void getAllSubnets4(const ServerSelector& server_selector,
+ Subnet4Collection& subnets) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve modified subnets.
+ ///
+ /// @param server_selector Server selector.
+ /// @param modification_ts Lower bound modification timestamp.
+ /// @param [out] subnets Reference to the subnet collection structure where
+ /// subnets should be inserted.
+ void getModifiedSubnets4(const ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_ts,
+ Subnet4Collection& subnets) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve all subnets belonging to a shared network.
+ ///
+ /// @param server_selector Server selector.
+ /// @param shared_network_name Name of the shared network for which the
+ /// subnets should be retrieved.
+ /// @param [out] subnets Reference to the subnet collection structure where
+ /// subnets should be inserted.
+ void getSharedNetworkSubnets4(const ServerSelector& server_selector,
+ const std::string& shared_network_name,
+ Subnet4Collection& subnets) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve single pool by address range.
+ ///
+ /// @param server_selector Server selector.
+ /// @param pool_start_address Lower bound pool address.
+ /// @param pool_end_address Upper bound pool address.
+ /// @param pool_id Pool identifier for the returned pool.
+ /// @return Pointer to the pool or null if no such pool found.
+ Pool4Ptr getPool4(const ServerSelector& server_selector,
+ const IOAddress& pool_start_address,
+ const IOAddress& pool_end_address,
+ uint64_t& pool_id) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update subnet.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet Pointer to the subnet to be inserted or updated.
+ void createUpdateSubnet4(const ServerSelector& server_selector,
+ const Subnet4Ptr& subnet) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Inserts new IPv4 pool to the database.
+ ///
+ /// @param server_selector Server selector.
+ /// @param pool Pointer to the pool to be inserted.
+ /// @param subnet Pointer to the subnet that this pool belongs to.
+ void createPool4(const ServerSelector& server_selector, const Pool4Ptr& pool,
+ const Subnet4Ptr& subnet) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends a query to delete data from a table.
+ ///
+ /// If creates a new audit revision for this change if such audit
+ /// revision doesn't exist yet (using ScopedAuditRevision mechanism).
+ ///
+ /// @tparam Args type of the arguments to be passed to one of the existing
+ /// @c deleteFromTable methods.
+ /// @param server_selector server selector.
+ /// @param operation operation which results in calling this function. This is
+ /// used for logging purposes.
+ /// @param log_message log message to be associated with the audit revision.
+ /// @param cascade_delete boolean flag indicating if we're performing
+ /// cascade delete. If set to true, the audit entries for the child
+ /// objects (e.g. DHCPoptions) won't be created.
+ /// @param keys arguments to be passed to one of the existing
+ /// @c deleteFromTable methods.
+ ///
+ /// @return Number of deleted entries.
+ template<typename... Args>
+ uint64_t deleteTransactional(const int index,
+ const db::ServerSelector& server_selector,
+ const std::string& operation,
+ const std::string& log_message,
+ const bool cascade_delete,
+ Args&&... keys) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to delete subnet by id.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of the subnet to be deleted.
+ /// @return Number of deleted subnets.
+ uint64_t deleteSubnet4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id) {
+ int index = (server_selector.amAny() ?
+ PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_ID_ANY :
+ PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_ID_WITH_TAG);
+ return (deleteTransactional(index, server_selector,
+ "deleting a subnet", "subnet deleted",
+ true, static_cast<uint32_t>(subnet_id)));
+ }
+
+ /// @brief Sends query to delete subnet by id.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_prefix Prefix of the subnet to be deleted.
+ /// @return Number of deleted subnets.
+ uint64_t deleteSubnet4(const ServerSelector& server_selector,
+ const std::string& subnet_prefix) {
+ int index = (server_selector.amAny() ?
+ PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_PREFIX_ANY :
+ PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_PREFIX_WITH_TAG);
+ return (deleteTransactional(index, server_selector,
+ "deleting a subnet", "subnet deleted",
+ true, subnet_prefix));
+ }
+
+ /// @brief Deletes pools belonging to a subnet from the database.
+ ///
+ /// The query deletes all pools associated with the subnet's
+ /// identifier or prefix.
+ /// @param subnet Pointer to the subnet for which pools should be
+ /// deleted.
+ uint64_t deletePools4(const Subnet4Ptr& subnet) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve single shared network by name.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Shared network name.
+ ///
+ /// @return Pointer to the returned shared network or NULL if such shared
+ /// network doesn't exist.
+ SharedNetwork4Ptr getSharedNetwork4(const ServerSelector& server_selector,
+ const std::string& name) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve all shared networks.
+ ///
+ /// @param server_selector Server selector.
+ /// @param [out] shared_networks Reference to the shared networks collection
+ /// structure where shared networks should be inserted.
+ void getAllSharedNetworks4(const ServerSelector& server_selector,
+ SharedNetwork4Collection& shared_networks) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to retrieve modified shared networks.
+ ///
+ /// @param server_selector Server selector.
+ /// @param modification_ts Lower bound modification timestamp.
+ /// @param [out] shared_networks Reference to the shared networks collection
+ /// structure where shared networks should be inserted.
+ void getModifiedSharedNetworks4(const ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_ts,
+ SharedNetwork4Collection& shared_networks) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update shared network.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet Pointer to the shared network to be inserted or updated.
+ void createUpdateSharedNetwork4(const ServerSelector& server_selector,
+ const SharedNetwork4Ptr& shared_network) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update global DHCP option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param option Pointer to the option descriptor encapsulating the option.
+ void createUpdateOption4(const ServerSelector& server_selector,
+ const OptionDescriptorPtr& option) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update DHCP option in a subnet.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of the subnet the option belongs to.
+ /// @param option Pointer to the option descriptor encapsulating the option.
+ /// @param cascade_update Boolean value indicating whether the update is
+ /// performed as part of the owning element, e.g. subnet.
+ void createUpdateOption4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id,
+ const OptionDescriptorPtr& option,
+ const bool cascade_update) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update DHCP option in a pool.
+ ///
+ /// @param server_selector Server selector.
+ /// @param pool_start_address Lower bound address of the pool.
+ /// @param pool_end_address Upper bound address of the pool.
+ /// @param option Pointer to the option descriptor encapsulating the option.
+ void createUpdateOption4(const ServerSelector& server_selector,
+ const IOAddress& pool_start_address,
+ const IOAddress& pool_end_address,
+ const OptionDescriptorPtr& option) {
+ uint64_t pool_id = 0;
+ Pool4Ptr pool = getPool4(server_selector, pool_start_address, pool_end_address,
+ pool_id);
+ if (!pool) {
+ isc_throw(BadValue, "no pool found for range of "
+ << pool_start_address << " : "
+ << pool_end_address);
+ }
+
+ createUpdateOption4(server_selector, pool_id, option, false);
+ }
+
+
+ /// @brief Sends query to insert or update DHCP option in a pool.
+ ///
+ /// @param selector Server selector.
+ /// @param pool_id Identifier of the pool the option belongs to.
+ /// @param option Pointer to the option descriptor encapsulating the option.
+ /// @param cascade_update Boolean value indicating whether the update is
+ /// performed as part of the owning element, e.g. subnet.
+ void createUpdateOption4(const ServerSelector& server_selector,
+ const uint64_t pool_id,
+ const OptionDescriptorPtr& option,
+ const bool cascade_update) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update DHCP option in a shared network.
+ ///
+ /// @param selector Server selector.
+ /// @param shared_network_name Name of the shared network the option
+ /// belongs to.
+ /// @param option Pointer to the option descriptor encapsulating the option.
+ /// @param cascade_update Boolean value indicating whether the update is
+ /// performed as part of the owning element, e.g. shared network.
+ void createUpdateOption4(const ServerSelector& server_selector,
+ const std::string& shared_network_name,
+ const OptionDescriptorPtr& option,
+ const bool cascade_update) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Sends query to insert or update option definition.
+ ///
+ /// @param server_selector Server selector.
+ /// @param option_def Pointer to the option definition to be inserted or updated.
+ void createUpdateOptionDef4(const ServerSelector& server_selector,
+ const OptionDefinitionPtr& option_def) {
+
+ createUpdateOptionDef(server_selector, option_def, DHCP4_OPTION_SPACE,
+ PgSqlConfigBackendDHCPv4Impl::GET_OPTION_DEF4_CODE_SPACE,
+ PgSqlConfigBackendDHCPv4Impl::INSERT_OPTION_DEF4,
+ PgSqlConfigBackendDHCPv4Impl::UPDATE_OPTION_DEF4,
+ PgSqlConfigBackendDHCPv4Impl::CREATE_AUDIT_REVISION,
+ PgSqlConfigBackendDHCPv4Impl::INSERT_OPTION_DEF4_SERVER);
+ }
+
+ /// @brief Sends query to delete option definition by code and
+ /// option space name.
+ ///
+ /// @param server_selector Server selector.
+ /// @param code Option code.
+ /// @param name Option name.
+ /// @return Number of deleted option definitions.
+ uint64_t deleteOptionDef4(const ServerSelector& server_selector,
+ const uint16_t code,
+ const std::string& space) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Deletes global option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @return Number of deleted options.
+ uint64_t deleteOption4(const ServerSelector& server_selector,
+ const uint16_t code,
+ const std::string& space) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Deletes subnet level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of the subnet to which deleted option
+ /// belongs.
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @return Number of deleted options.
+ uint64_t deleteOption4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id,
+ const uint16_t code,
+ const std::string& space) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Deletes pool level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param pool_start_address Lower bound pool address.
+ /// @param pool_end_address Upper bound pool address.
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @return Number of deleted options.
+ uint64_t deleteOption4(const db::ServerSelector& server_selector,
+ const IOAddress& pool_start_address,
+ const IOAddress& pool_end_address,
+ const uint16_t code,
+ const std::string& space) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Deletes shared network level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param shared_network_name Name of the shared network which deleted
+ /// option belongs to
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @return Number of deleted options.
+ uint64_t deleteOption4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name,
+ const uint16_t code,
+ const std::string& space) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Deletes options belonging to a subnet from the database.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet Pointer to the subnet for which options should be
+ /// deleted.
+ /// @return Number of deleted options.
+ uint64_t deleteOptions4(const ServerSelector& server_selector,
+ const Subnet4Ptr& subnet) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Deletes options belonging to a shared network from the database.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet Pointer to the subnet for which options should be
+ /// deleted.
+ /// @return Number of deleted options.
+ uint64_t deleteOptions4(const ServerSelector& server_selector,
+ const SharedNetwork4Ptr& shared_network) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Removes unassigned global parameters, global options and
+ /// option definitions.
+ ///
+ /// This function is called when one or more servers are deleted and
+ /// it is likely that there are some orphaned configuration elements
+ /// left in the database. This method removes those elements.
+ void purgeUnassignedConfig() {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Attempts to delete a server having a given tag.
+ ///
+ /// @param server_tag Tag of the server to be deleted.
+ /// @return Number of deleted servers.
+ /// @throw isc::InvalidOperation when trying to delete the logical
+ /// server 'all'.
+ uint64_t deleteServer4(const data::ServerTag& server_tag) {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Attempts to delete all servers.
+ ///
+ /// This method deletes all servers added by the user. It does not
+ /// delete the logical server 'all'.
+ ///
+ /// @return Number of deleted servers.
+ uint64_t deleteAllServers4() {
+ isc_throw(NotImplemented, "Not implemented yet.");
+ }
+
+ /// @brief Attempts to reconnect the server to the config DB backend manager.
+ ///
+ /// This is a self-rescheduling function that attempts to reconnect to the
+ /// server's config DB backends after connectivity to one or more have been
+ /// lost. Upon entry it will attempt to reconnect via
+ /// @ref ConfigBackendDHCPv4Mgr.addBackend.
+ /// If this is successful, DHCP servicing is re-enabled and server returns
+ /// to normal operation.
+ ///
+ /// If reconnection fails and the maximum number of retries has not been
+ /// exhausted, it will schedule a call to itself to occur at the
+ /// configured retry interval. DHCP service remains disabled.
+ ///
+ /// If the maximum number of retries has been exhausted an error is logged
+ /// and the server shuts down.
+ ///
+ /// @param db_reconnect_ctl pointer to the ReconnectCtl containing the
+ /// configured reconnect parameters.
+ /// @return true if connection has been recovered, false otherwise.
+ static bool dbReconnect(ReconnectCtlPtr db_reconnect_ctl) {
+ // Invoke application layer connection lost callback.
+ if (!DatabaseConnection::invokeDbLostCallback(db_reconnect_ctl)) {
+ return (false);
+ }
+
+ bool reopened = false;
+
+ const std::string timer_name = db_reconnect_ctl->timerName();
+
+ // At least one connection was lost.
+ try {
+ auto srv_cfg = CfgMgr::instance().getCurrentCfg();
+ auto config_ctl = srv_cfg->getConfigControlInfo();
+ // Iterate over the configured DBs and instantiate them.
+ for (auto db : config_ctl->getConfigDatabases()) {
+ const std::string& access = db.getAccessString();
+ auto parameters = db.getParameters();
+ if (ConfigBackendDHCPv4Mgr::instance().delBackend(parameters["type"], access, true)) {
+ ConfigBackendDHCPv4Mgr::instance().addBackend(db.getAccessString());
+ }
+ }
+
+ reopened = true;
+ } catch (const std::exception& ex) {
+ LOG_ERROR(pgsql_cb_logger, PGSQL_CB_RECONNECT_ATTEMPT_FAILED4)
+ .arg(ex.what());
+ }
+
+ if (reopened) {
+ // Cancel the timer.
+ if (TimerMgr::instance()->isTimerRegistered(timer_name)) {
+ TimerMgr::instance()->unregisterTimer(timer_name);
+ }
+
+ // Invoke application layer connection recovered callback.
+ if (!DatabaseConnection::invokeDbRecoveredCallback(db_reconnect_ctl)) {
+ return (false);
+ }
+ } else {
+ if (!db_reconnect_ctl->checkRetries()) {
+ // We're out of retries, log it and initiate shutdown.
+ LOG_ERROR(pgsql_cb_logger, PGSQL_CB_RECONNECT_FAILED4)
+ .arg(db_reconnect_ctl->maxRetries());
+
+ // Cancel the timer.
+ if (TimerMgr::instance()->isTimerRegistered(timer_name)) {
+ TimerMgr::instance()->unregisterTimer(timer_name);
+ }
+
+ // Invoke application layer connection failed callback.
+ DatabaseConnection::invokeDbFailedCallback(db_reconnect_ctl);
+
+ return (false);
+ }
+
+ LOG_INFO(pgsql_cb_logger, PGSQL_CB_RECONNECT_ATTEMPT_SCHEDULE4)
+ .arg(db_reconnect_ctl->maxRetries() - db_reconnect_ctl->retriesLeft() + 1)
+ .arg(db_reconnect_ctl->maxRetries())
+ .arg(db_reconnect_ctl->retryInterval());
+
+ // Start the timer.
+ if (!TimerMgr::instance()->isTimerRegistered(timer_name)) {
+ TimerMgr::instance()->registerTimer(timer_name,
+ std::bind(&PgSqlConfigBackendDHCPv4Impl::dbReconnect, db_reconnect_ctl),
+ db_reconnect_ctl->retryInterval(),
+ asiolink::IntervalTimer::ONE_SHOT);
+ }
+ TimerMgr::instance()->setup(timer_name);
+ }
+
+ return (true);
+ }
+
+};
+
+namespace {
+
+/// @brief Array of tagged statements.
+typedef std::array<PgSqlTaggedStatement, PgSqlConfigBackendDHCPv4Impl::NUM_STATEMENTS>
+PgSqlTaggedStatementArray;
+
+/// @brief Prepared Postgres statements used by the backend to insert and
+/// retrieve data from the database.
+/// @todo: OID types are obviously wrong.
+PgSqlTaggedStatementArray tagged_statements = { {
+ { 4, { OID_INT8, OID_INT8, OID_INT8, OID_INT8 }, "CREATE_AUDIT_REVISION",
+ "CALL createAuditRevisionDHCP4(?, ?, ?, ?)"
+ },
+
+ // Select global parameter by name.
+ { 1, { OID_VARCHAR }, "GET_GLOBAL_PARAMETER4",
+ PGSQL_GET_GLOBAL_PARAMETER(dhcp4, AND g.name = ?)
+ },
+
+ // Select all global parameters.
+ { 0, { }, "GET_ALL_GLOBAL_PARAMETERS4",
+ PGSQL_GET_GLOBAL_PARAMETER(dhcp4)
+ },
+
+ // Select modified global parameters.
+ { 1, { OID_TIMESTAMP }, "GET_MODIFIED_GLOBAL_PARAMETERS4",
+ PGSQL_GET_GLOBAL_PARAMETER(dhcp4, AND g.modification_ts >= ?)
+ },
+
+ // Select subnet by id.
+ { 1, { OID_INT8 }, "GET_SUBNET4_ID_NO_TAG",
+ PGSQL_GET_SUBNET4_NO_TAG(WHERE s.subnet_id = ?)
+ },
+
+ // Select subnet by id without specifying server tags.
+ { 1, { OID_INT8 }, "GET_SUBNET4_ID_ANY",
+ PGSQL_GET_SUBNET4_ANY(WHERE s.subnet_id = ?)
+ },
+
+ // Select unassigned subnet by id.
+ { 1, { OID_INT8 }, "GET_SUBNET4_ID_UNASSIGNED",
+ PGSQL_GET_SUBNET4_UNASSIGNED(AND s.subnet_id = ?)
+ },
+
+ // Select subnet by prefix.
+ { 1, { OID_VARCHAR }, "GET_SUBNET4_PREFIX_NO_TAG",
+ PGSQL_GET_SUBNET4_NO_TAG(WHERE s.subnet_prefix = ?)
+ },
+
+ // Select subnet by prefix without specifying server tags.
+ { 1, { OID_VARCHAR }, "GET_SUBNET4_PREFIX_ANY",
+ PGSQL_GET_SUBNET4_ANY(WHERE s.subnet_prefix = ?)
+ }
+}};
+
+#if 0
+ // Select unassigned subnet by prefix.
+ { PgSqlConfigBackendDHCPv4Impl::GET_SUBNET4_PREFIX_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_GET_SUBNET4_UNASSIGNED(AND s.subnet_prefix = ?)
+ },
+
+ // Select all subnets.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_SUBNETS4,
+ "TODO" /// @todo: PGSQL_GET_SUBNET4_NO_TAG()
+ },
+
+ // Select all unassigned subnets.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_SUBNETS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_GET_SUBNET4_UNASSIGNED()
+ },
+
+ // Select subnets having modification time later than X.
+ { PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_SUBNETS4,
+ "TODO" /// @todo: PGSQL_GET_SUBNET4_NO_TAG(WHERE s.modification_ts >= ?)
+ },
+
+ // Select modified and unassigned subnets.
+ { PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_SUBNETS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_GET_SUBNET4_UNASSIGNED(AND s.modification_ts >= ?)
+ },
+
+ // Select subnets belonging to a shared network.
+ { PgSqlConfigBackendDHCPv4Impl::GET_SHARED_NETWORK_SUBNETS4,
+ "TODO" /// @todo: PGSQL_GET_SUBNET4_ANY(WHERE s.shared_network_name = ?)
+ },
+
+ // Select pool by address range for a server.
+ { PgSqlConfigBackendDHCPv4Impl::GET_POOL4_RANGE,
+ "TODO" /// @todo: PGSQL_GET_POOL4_RANGE_WITH_TAG(WHERE (srv.tag = ? OR srv.id = 1) AND p.start_address = ? AND p.end_address = ?)
+ },
+
+ // Select pool by address range for any server
+ { PgSqlConfigBackendDHCPv4Impl::GET_POOL4_RANGE_ANY,
+ "TODO" /// @todo: PGSQL_GET_POOL4_RANGE_NO_TAG(WHERE p.start_address = ? AND p.end_address = ?)
+ },
+
+ // Select shared network by name.
+ { PgSqlConfigBackendDHCPv4Impl::GET_SHARED_NETWORK4_NAME_NO_TAG,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_NO_TAG(WHERE n.name = ?)
+ },
+
+ // Select shared network by name without specifying server tags.
+ { PgSqlConfigBackendDHCPv4Impl::GET_SHARED_NETWORK4_NAME_ANY,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_ANY(WHERE n.name = ?)
+ },
+
+ // Select unassigned shared network by name.
+ { PgSqlConfigBackendDHCPv4Impl::GET_SHARED_NETWORK4_NAME_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_UNASSIGNED(AND n.name = ?)
+ },
+
+ // Select all shared networks.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_SHARED_NETWORKS4,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_NO_TAG()
+ },
+
+ // Select all unassigned shared networks.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_SHARED_NETWORKS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_UNASSIGNED()
+ },
+
+ // Select modified shared networks.
+ { PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_SHARED_NETWORKS4,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_NO_TAG(WHERE n.modification_ts >= ?)
+ },
+
+ // Select modified and unassigned shared networks.
+ { PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_SHARED_NETWORKS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_GET_SHARED_NETWORK4_UNASSIGNED(AND n.modification_ts >= ?)
+ },
+
+ // Retrieves option definition by code and space.
+ { PgSqlConfigBackendDHCPv4Impl::GET_OPTION_DEF4_CODE_SPACE,
+ "TODO" /// @todo: PGSQL_GET_OPTION_DEF(dhcp4, AND d.code = ? AND d.space = ?)
+ },
+
+ // Retrieves all option definitions.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_OPTION_DEFS4,
+ "TODO" /// @todo: PGSQL_GET_OPTION_DEF(dhcp4)
+ },
+
+ // Retrieves modified option definitions.
+ { PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_OPTION_DEFS4,
+ "TODO" /// @todo: PGSQL_GET_OPTION_DEF(dhcp4, AND d.modification_ts >= ?)
+ },
+
+ // Retrieves global option by code and space.
+ { PgSqlConfigBackendDHCPv4Impl::GET_OPTION4_CODE_SPACE,
+ "TODO" /// @todo: PGSQL_GET_OPTION4(AND o.scope_id = 0 AND o.code = ? AND o.space = ?)
+ },
+
+ // Retrieves all global options.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_OPTIONS4,
+ "TODO" /// @todo: PGSQL_GET_OPTION4(AND o.scope_id = 0)
+ },
+
+ // Retrieves modified options.
+ { PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_OPTIONS4,
+ "TODO" /// @todo: PGSQL_GET_OPTION4(AND o.scope_id = 0 AND o.modification_ts >= ?)
+ },
+
+ // Retrieves an option for a given subnet, option code and space.
+ { PgSqlConfigBackendDHCPv4Impl::GET_OPTION4_SUBNET_ID_CODE_SPACE,
+ "TODO" /// @todo: PGSQL_GET_OPTION4(AND o.scope_id = 1 AND o.dhcp4_subnet_id = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Retrieves an option for a given pool, option code and space.
+ { PgSqlConfigBackendDHCPv4Impl::GET_OPTION4_POOL_ID_CODE_SPACE,
+ "TODO" /// @todo: PGSQL_GET_OPTION4(AND o.scope_id = 5 AND o.pool_id = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Retrieves an option for a given shared network, option code and space.
+ { PgSqlConfigBackendDHCPv4Impl::GET_OPTION4_SHARED_NETWORK_CODE_SPACE,
+ "TODO" /// @todo: PGSQL_GET_OPTION4(AND o.scope_id = 4 AND o.shared_network_name = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Retrieves the most recent audit entries.
+ { PgSqlConfigBackendDHCPv4Impl::GET_AUDIT_ENTRIES4_TIME,
+ "TODO" /// @todo: PGSQL_GET_AUDIT_ENTRIES_TIME(dhcp4)
+ },
+
+ // Retrieves a server by tag.
+ { PgSqlConfigBackendDHCPv4Impl::GET_SERVER4,
+ "TODO" /// @todo: PGSQL_GET_SERVER(dhcp4)
+ },
+
+ // Retrieves all servers.
+ { PgSqlConfigBackendDHCPv4Impl::GET_ALL_SERVERS4,
+ "TODO" /// @todo: PGSQL_GET_ALL_SERVERS(dhcp4)
+ },
+
+ // Insert global parameter.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_GLOBAL_PARAMETER4,
+ "TODO" /// @todo: PGSQL_INSERT_GLOBAL_PARAMETER(dhcp4)
+ },
+
+ // Insert association of the global parameter with a server.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_GLOBAL_PARAMETER4_SERVER,
+ "TODO" /// @todo: PGSQL_INSERT_GLOBAL_PARAMETER_SERVER(dhcp4)
+ },
+
+ // Insert a subnet.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_SUBNET4,
+ "INSERT INTO dhcp4_subnet("
+ " subnet_id,"
+ " subnet_prefix,"
+ " 4o6_interface,"
+ " 4o6_interface_id,"
+ " 4o6_subnet,"
+ " boot_file_name,"
+ " client_class,"
+ " interface,"
+ " match_client_id,"
+ " modification_ts,"
+ " next_server,"
+ " rebind_timer,"
+ " relay,"
+ " renew_timer,"
+ " require_client_classes,"
+ " reservations_global,"
+ " server_hostname,"
+ " shared_network_name,"
+ " user_context,"
+ " valid_lifetime,"
+ " min_valid_lifetime,"
+ " max_valid_lifetime,"
+ " calculate_tee_times,"
+ " t1_percent,"
+ " t2_percent,"
+ " authoritative,"
+ " ddns_send_updates,"
+ " ddns_override_no_update,"
+ " ddns_override_client_update,"
+ " ddns_replace_client_name,"
+ " ddns_generated_prefix,"
+ " ddns_qualifying_suffix,"
+ " reservations_in_subnet,"
+ " reservations_out_of_pool,"
+ " cache_threshold,"
+ " cache_max_age"
+ ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,"
+ " ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)" },
+
+ // Insert association of the subnet with a server.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_SUBNET4_SERVER,
+ "TODO" /// @todo: PGSQL_INSERT_SUBNET_SERVER(dhcp4)
+ },
+
+ // Insert pool for a subnet.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_POOL4,
+ "TODO" /// @todo: PGSQL_INSERT_POOL(dhcp4)
+ },
+
+ // Insert a shared network.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_SHARED_NETWORK4,
+ "INSERT INTO dhcp4_shared_network("
+ " name,"
+ " client_class,"
+ " interface,"
+ " match_client_id,"
+ " modification_ts,"
+ " rebind_timer,"
+ " relay,"
+ " renew_timer,"
+ " require_client_classes,"
+ " reservations_global,"
+ " user_context,"
+ " valid_lifetime,"
+ " min_valid_lifetime,"
+ " max_valid_lifetime,"
+ " calculate_tee_times,"
+ " t1_percent,"
+ " t2_percent,"
+ " authoritative,"
+ " boot_file_name,"
+ " next_server,"
+ " server_hostname,"
+ " ddns_send_updates,"
+ " ddns_override_no_update,"
+ " ddns_override_client_update,"
+ " ddns_replace_client_name,"
+ " ddns_generated_prefix,"
+ " ddns_qualifying_suffix,"
+ " reservations_in_subnet,"
+ " reservations_out_of_pool,"
+ " cache_threshold,"
+ " cache_max_age"
+ ") VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?,"
+ " ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)" },
+
+ // Insert association of the shared network with a server.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_SHARED_NETWORK4_SERVER,
+ "TODO" /// @todo: PGSQL_INSERT_SHARED_NETWORK_SERVER(dhcp4)
+ },
+
+ // Insert option definition.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_OPTION_DEF4,
+ "TODO" /// @todo: PGSQL_INSERT_OPTION_DEF(dhcp4)
+ },
+
+ // Insert association of the option definition with a server.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_OPTION_DEF4_SERVER,
+ "TODO" /// @todo: PGSQL_INSERT_OPTION_DEF_SERVER(dhcp4)
+ },
+
+ // Insert subnet specific option.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_OPTION4,
+ "TODO" /// @todo: PGSQL_INSERT_OPTION4()
+ },
+
+ // Insert association of the DHCP option with a server.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_OPTION4_SERVER,
+ "TODO" /// @todo: PGSQL_INSERT_OPTION_SERVER(dhcp4)
+ },
+
+ // Insert server with server tag and description.
+ { PgSqlConfigBackendDHCPv4Impl::INSERT_SERVER4,
+ "TODO" /// @todo: PGSQL_INSERT_SERVER(dhcp4)
+ },
+
+ // Update existing global parameter.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_GLOBAL_PARAMETER4,
+ "TODO" /// @todo: PGSQL_UPDATE_GLOBAL_PARAMETER(dhcp4)
+ },
+
+ // Update existing subnet.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_SUBNET4,
+ "UPDATE dhcp4_subnet SET"
+ " subnet_id = ?,"
+ " subnet_prefix = ?,"
+ " 4o6_interface = ?,"
+ " 4o6_interface_id = ?,"
+ " 4o6_subnet = ?,"
+ " boot_file_name = ?,"
+ " client_class = ?,"
+ " interface = ?,"
+ " match_client_id = ?,"
+ " modification_ts = ?,"
+ " next_server = ?,"
+ " rebind_timer = ?,"
+ " relay = ?,"
+ " renew_timer = ?,"
+ " require_client_classes = ?,"
+ " reservations_global = ?,"
+ " server_hostname = ?,"
+ " shared_network_name = ?,"
+ " user_context = ?,"
+ " valid_lifetime = ?,"
+ " min_valid_lifetime = ?,"
+ " max_valid_lifetime = ?,"
+ " calculate_tee_times = ?,"
+ " t1_percent = ?,"
+ " t2_percent = ?,"
+ " authoritative = ?,"
+ " ddns_send_updates = ?,"
+ " ddns_override_no_update = ?,"
+ " ddns_override_client_update = ?,"
+ " ddns_replace_client_name = ?,"
+ " ddns_generated_prefix = ?,"
+ " ddns_qualifying_suffix = ?,"
+ " reservations_in_subnet = ?,"
+ " reservations_out_of_pool = ?,"
+ " cache_threshold = ?,"
+ " cache_max_age = ? "
+ "WHERE subnet_id = ? OR subnet_prefix = ?"
+ },
+
+ // Update existing shared network.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_SHARED_NETWORK4,
+ "UPDATE dhcp4_shared_network SET"
+ " name = ?,"
+ " client_class = ?,"
+ " interface = ?,"
+ " match_client_id = ?,"
+ " modification_ts = ?,"
+ " rebind_timer = ?,"
+ " relay = ?,"
+ " renew_timer = ?,"
+ " require_client_classes = ?,"
+ " reservations_global = ?,"
+ " user_context = ?,"
+ " valid_lifetime = ?,"
+ " min_valid_lifetime = ?,"
+ " max_valid_lifetime = ?,"
+ " calculate_tee_times = ?,"
+ " t1_percent = ?,"
+ " t2_percent = ?,"
+ " authoritative = ?,"
+ " boot_file_name = ?,"
+ " next_server = ?,"
+ " server_hostname = ?,"
+ " ddns_send_updates = ?,"
+ " ddns_override_no_update = ?,"
+ " ddns_override_client_update = ?,"
+ " ddns_replace_client_name = ?,"
+ " ddns_generated_prefix = ?,"
+ " ddns_qualifying_suffix = ?,"
+ " reservations_in_subnet = ?,"
+ " reservations_out_of_pool = ?,"
+ " cache_threshold = ?,"
+ " cache_max_age = ? "
+ "WHERE name = ?"
+ },
+
+ // Update existing option definition.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_OPTION_DEF4,
+ "TODO" /// @todo: PGSQL_UPDATE_OPTION_DEF(dhcp4)
+ },
+
+ // Update existing global option.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_OPTION4,
+ "TODO" /// @todo: PGSQL_UPDATE_OPTION4_WITH_TAG(AND o.scope_id = 0 AND o.code = ? AND o.space = ?)
+ },
+
+ // Update existing subnet level option.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_OPTION4_SUBNET_ID,
+ "TODO" /// @todo: PGSQL_UPDATE_OPTION4_NO_TAG(o.scope_id = 1 AND o.dhcp4_subnet_id = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Update existing pool level option.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_OPTION4_POOL_ID,
+ "TODO" /// @todo: PGSQL_UPDATE_OPTION4_NO_TAG(o.scope_id = 5 AND o.pool_id = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Update existing shared network level option.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_OPTION4_SHARED_NETWORK,
+ "TODO" /// @todo: PGSQL_UPDATE_OPTION4_NO_TAG(o.scope_id = 4 AND o.shared_network_name = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Update existing server, e.g. server description.
+ { PgSqlConfigBackendDHCPv4Impl::UPDATE_SERVER4,
+ "TODO" /// @todo: PGSQL_UPDATE_SERVER(dhcp4)
+ },
+
+ // Delete global parameter by name.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_GLOBAL_PARAMETER4,
+ "TODO" /// @todo: PGSQL_DELETE_GLOBAL_PARAMETER(dhcp4, AND g.name = ?)
+ },
+
+ // Delete all global parameters.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_GLOBAL_PARAMETERS4,
+ "TODO" /// @todo: PGSQL_DELETE_GLOBAL_PARAMETER(dhcp4)
+ },
+
+ // Delete all global parameters which are unassigned to any servers.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_GLOBAL_PARAMETERS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_DELETE_GLOBAL_PARAMETER_UNASSIGNED(dhcp4)
+ },
+
+ // Delete subnet by id with specifying server tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_ID_WITH_TAG,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_WITH_TAG(dhcp4, AND s.subnet_id = ?)
+ },
+
+ // Delete subnet by id without specifying server tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_ID_ANY,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_ANY(dhcp4, WHERE s.subnet_id = ?)
+ },
+
+ // Delete subnet by prefix with specifying server tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_PREFIX_WITH_TAG,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_WITH_TAG(dhcp4, AND s.subnet_prefix = ?)
+ },
+
+ // Delete subnet by prefix without specifying server tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_PREFIX_ANY,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_ANY(dhcp4, WHERE s.subnet_prefix = ?)
+ },
+
+ // Delete all subnets.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SUBNETS4,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_WITH_TAG(dhcp4)
+ },
+
+ // Delete all unassigned subnets.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SUBNETS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_UNASSIGNED(dhcp4)
+ },
+
+ // Delete all subnets for a shared network.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SUBNETS4_SHARED_NETWORK_NAME,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_ANY(dhcp4, WHERE s.shared_network_name = ?)
+ },
+
+ // Delete associations of a subnet with server.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SUBNET4_SERVER,
+ "TODO" /// @todo: PGSQL_DELETE_SUBNET_SERVER(dhcp4),
+ },
+
+ // Delete pools for a subnet.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_POOLS4,
+ "TODO" /// @todo: PGSQL_DELETE_POOLS(dhcp4)
+ },
+
+ // Delete shared network by name with specifying server tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SHARED_NETWORK4_NAME_WITH_TAG,
+ "TODO" /// @todo: PGSQL_DELETE_SHARED_NETWORK_WITH_TAG(dhcp4, AND n.name = ?)
+ },
+
+ // Delete shared network by name without specifying server tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SHARED_NETWORK4_NAME_ANY,
+ "TODO" /// @todo: PGSQL_DELETE_SHARED_NETWORK_ANY(dhcp4, WHERE n.name = ?)
+ },
+
+ // Delete all shared networks.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SHARED_NETWORKS4,
+ "TODO" /// @todo: PGSQL_DELETE_SHARED_NETWORK_WITH_TAG(dhcp4)
+ },
+
+ // Delete all unassigned shared networks.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SHARED_NETWORKS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_DELETE_SHARED_NETWORK_UNASSIGNED(dhcp4)
+ },
+
+ // Delete associations of a shared network with server.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SHARED_NETWORK4_SERVER,
+ "TODO" /// @todo: PGSQL_DELETE_SHARED_NETWORK_SERVER(dhcp4)
+ },
+
+ // Delete option definition.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTION_DEF4_CODE_NAME,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_DEF(dhcp4, AND code = ? AND space = ?)
+ },
+
+ // Delete all option definitions.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_OPTION_DEFS4,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_DEF(dhcp4)
+ },
+
+ // Delete all option definitions which are assigned to no servers.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_OPTION_DEFS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_DEF_UNASSIGNED(dhcp4)
+ },
+
+ // Delete single global option.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTION4,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_WITH_TAG(dhcp4, AND o.scope_id = 0 AND o.code = ? AND o.space = ?)
+ },
+
+ // Delete all global options which are unassigned to any servers.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_GLOBAL_OPTIONS4_UNASSIGNED,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_UNASSIGNED(dhcp4, AND o.scope_id = 0)
+ },
+
+ // Delete single option from a subnet.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTION4_SUBNET_ID,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_NO_TAG(dhcp4, WHERE o.scope_id = 1 AND o.dhcp4_subnet_id = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Delete single option from a pool.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTION4_POOL_RANGE,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_POOL_RANGE(dhcp4, o.scope_id = 5 AND o.code = ? AND o.space = ?)
+ },
+
+ // Delete single option from a shared network.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTION4_SHARED_NETWORK,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_NO_TAG(dhcp4, WHERE o.scope_id = 4 AND o.shared_network_name = ? AND o.code = ? AND o.space = ?)
+ },
+
+ // Delete options belonging to a subnet.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTIONS4_SUBNET_ID_PREFIX,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_SUBNET_ID_PREFIX(dhcp4)
+ },
+
+ // Delete options belonging to a shared_network.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_OPTIONS4_SHARED_NETWORK,
+ "TODO" /// @todo: PGSQL_DELETE_OPTION_NO_TAG(dhcp4, WHERE o.scope_id = 4 AND o.shared_network_name = ?)
+ },
+
+ // Delete a server by tag.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_SERVER4,
+ "TODO" /// @todo: PGSQL_DELETE_SERVER(dhcp4)
+ },
+
+ // Deletes all servers except logical server 'all'.
+ { PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SERVERS4,
+ "TODO" /// @todo: PGSQL_DELETE_ALL_SERVERS(dhcp4)
+ }
+}
+};
+#endif
+
+}; // end anonymous namespace
+
+PgSqlConfigBackendDHCPv4Impl::PgSqlConfigBackendDHCPv4Impl(const DatabaseConnection::ParameterMap& parameters)
+ : PgSqlConfigBackendImpl(parameters, &PgSqlConfigBackendDHCPv4Impl::dbReconnect) {
+ // Prepare query statements. Those are will be only used to retrieve
+ // information from the database, so they can be used even if the
+ // database is read only for the current user.
+ conn_.prepareStatements(tagged_statements.begin(),
+ tagged_statements.end());
+
+ // Create unique timer name per instance.
+ timer_name_ = "PgSqlConfigBackend4[";
+ timer_name_ += boost::lexical_cast<std::string>(reinterpret_cast<uint64_t>(this));
+ timer_name_ += "]DbReconnectTimer";
+
+ // Create ReconnectCtl for this connection.
+ conn_.makeReconnectCtl(timer_name_);
+}
+
+PgSqlConfigBackendDHCPv4Impl::~PgSqlConfigBackendDHCPv4Impl() {
+}
+
+PgSqlConfigBackendDHCPv4::PgSqlConfigBackendDHCPv4(const DatabaseConnection::ParameterMap& parameters)
+ : impl_(new PgSqlConfigBackendDHCPv4Impl(parameters)), base_impl_(impl_) {
+}
+
+bool
+PgSqlConfigBackendDHCPv4::isUnusable() {
+ return (impl_->conn_.isUnusable());
+}
+
+Subnet4Ptr
+PgSqlConfigBackendDHCPv4::getSubnet4(const ServerSelector& server_selector,
+ const std::string& subnet_prefix) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_SUBNET4_BY_PREFIX)
+ .arg(subnet_prefix);
+ return (impl_->getSubnet4(server_selector, subnet_prefix));
+}
+
+Subnet4Ptr
+PgSqlConfigBackendDHCPv4::getSubnet4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_SUBNET4_BY_SUBNET_ID)
+ .arg(subnet_id);
+ return (impl_->getSubnet4(server_selector, subnet_id));
+}
+
+Subnet4Collection
+PgSqlConfigBackendDHCPv4::getAllSubnets4(const ServerSelector& server_selector) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_SUBNETS4);
+ Subnet4Collection subnets;
+ impl_->getAllSubnets4(server_selector, subnets);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_SUBNETS4_RESULT)
+ .arg(subnets.size());
+ return (subnets);
+}
+
+Subnet4Collection
+PgSqlConfigBackendDHCPv4::getModifiedSubnets4(const ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_SUBNETS4)
+ .arg(util::ptimeToText(modification_time));
+ Subnet4Collection subnets;
+ impl_->getModifiedSubnets4(server_selector, modification_time, subnets);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_SUBNETS4_RESULT)
+ .arg(subnets.size());
+ return (subnets);
+}
+
+Subnet4Collection
+PgSqlConfigBackendDHCPv4::getSharedNetworkSubnets4(const ServerSelector& /* server_selector */,
+ const std::string& shared_network_name) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_SHARED_NETWORK_SUBNETS4)
+ .arg(shared_network_name);
+ Subnet4Collection subnets;
+ impl_->getSharedNetworkSubnets4(ServerSelector::ANY(), shared_network_name, subnets);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_SHARED_NETWORK_SUBNETS4_RESULT)
+ .arg(subnets.size());
+ return (subnets);
+}
+
+SharedNetwork4Ptr
+PgSqlConfigBackendDHCPv4::getSharedNetwork4(const ServerSelector& server_selector,
+ const std::string& name) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_SHARED_NETWORK4)
+ .arg(name);
+ return (impl_->getSharedNetwork4(server_selector, name));
+}
+
+SharedNetwork4Collection
+PgSqlConfigBackendDHCPv4::getAllSharedNetworks4(const ServerSelector& server_selector) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_SHARED_NETWORKS4);
+ SharedNetwork4Collection shared_networks;
+ impl_->getAllSharedNetworks4(server_selector, shared_networks);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_SHARED_NETWORKS4_RESULT)
+ .arg(shared_networks.size());
+ return (shared_networks);
+}
+
+SharedNetwork4Collection
+PgSqlConfigBackendDHCPv4::getModifiedSharedNetworks4(const ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_SHARED_NETWORKS4)
+ .arg(util::ptimeToText(modification_time));
+ SharedNetwork4Collection shared_networks;
+ impl_->getModifiedSharedNetworks4(server_selector, modification_time, shared_networks);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_SHARED_NETWORKS4_RESULT)
+ .arg(shared_networks.size());
+ return (shared_networks);
+}
+
+OptionDefinitionPtr
+PgSqlConfigBackendDHCPv4::getOptionDef4(const ServerSelector& server_selector,
+ const uint16_t code,
+ const std::string& space) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_OPTION_DEF4)
+ .arg(code).arg(space);
+ return (impl_->getOptionDef(PgSqlConfigBackendDHCPv4Impl::GET_OPTION_DEF4_CODE_SPACE,
+ server_selector, code, space));
+}
+
+OptionDefContainer
+PgSqlConfigBackendDHCPv4::getAllOptionDefs4(const ServerSelector& server_selector) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_OPTION_DEFS4);
+ OptionDefContainer option_defs;
+ impl_->getAllOptionDefs(PgSqlConfigBackendDHCPv4Impl::GET_ALL_OPTION_DEFS4,
+ server_selector, option_defs);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_OPTION_DEFS4_RESULT)
+ .arg(option_defs.size());
+ return (option_defs);
+}
+
+OptionDefContainer
+PgSqlConfigBackendDHCPv4::getModifiedOptionDefs4(const ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_OPTION_DEFS4)
+ .arg(util::ptimeToText(modification_time));
+ OptionDefContainer option_defs;
+ impl_->getModifiedOptionDefs(PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_OPTION_DEFS4,
+ server_selector, modification_time, option_defs);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_OPTION_DEFS4_RESULT)
+ .arg(option_defs.size());
+ return (option_defs);
+}
+
+OptionDescriptorPtr
+PgSqlConfigBackendDHCPv4::getOption4(const ServerSelector& server_selector,
+ const uint16_t code,
+ const std::string& space) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_OPTION4)
+ .arg(code).arg(space);
+ return (impl_->getOption(PgSqlConfigBackendDHCPv4Impl::GET_OPTION4_CODE_SPACE,
+ Option::V4, server_selector, code, space));
+}
+
+OptionContainer
+PgSqlConfigBackendDHCPv4::getAllOptions4(const ServerSelector& server_selector) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_OPTIONS4);
+ OptionContainer options = impl_->getAllOptions(PgSqlConfigBackendDHCPv4Impl::GET_ALL_OPTIONS4,
+ Option::V4, server_selector);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_OPTIONS4_RESULT)
+ .arg(options.size());
+ return (options);
+}
+
+OptionContainer
+PgSqlConfigBackendDHCPv4::getModifiedOptions4(const ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_OPTIONS4)
+ .arg(util::ptimeToText(modification_time));
+ OptionContainer options = impl_->getModifiedOptions(PgSqlConfigBackendDHCPv4Impl::GET_MODIFIED_OPTIONS4,
+ Option::V4, server_selector, modification_time);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_MODIFIED_OPTIONS4_RESULT)
+ .arg(options.size());
+ return (options);
+}
+
+StampedValuePtr
+PgSqlConfigBackendDHCPv4::getGlobalParameter4(const ServerSelector& server_selector,
+ const std::string& name) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_GLOBAL_PARAMETER4)
+ .arg(name);
+ return (impl_->getGlobalParameter4(server_selector, name));
+}
+
+StampedValueCollection
+PgSqlConfigBackendDHCPv4::getAllGlobalParameters4(const ServerSelector& server_selector) const {
+ isc_throw(NotImplemented, "Not implemented yet.");
+}
+
+StampedValueCollection
+PgSqlConfigBackendDHCPv4::getModifiedGlobalParameters4(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const {
+ isc_throw(NotImplemented, "Not implemented yet.");
+}
+
+AuditEntryCollection
+PgSqlConfigBackendDHCPv4::getRecentAuditEntries(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time,
+ const uint64_t& modification_id) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_RECENT_AUDIT_ENTRIES4)
+ .arg(util::ptimeToText(modification_time))
+ .arg(modification_id);
+ AuditEntryCollection audit_entries;
+ impl_->getRecentAuditEntries(PgSqlConfigBackendDHCPv4Impl::GET_AUDIT_ENTRIES4_TIME,
+ server_selector, modification_time,
+ modification_id, audit_entries);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_RECENT_AUDIT_ENTRIES4_RESULT)
+ .arg(audit_entries.size());
+ return (audit_entries);
+}
+
+ServerCollection
+PgSqlConfigBackendDHCPv4::getAllServers4() const {
+ ServerCollection servers;
+
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_SERVERS4);
+ impl_->getAllServers(PgSqlConfigBackendDHCPv4Impl::GET_ALL_SERVERS4,
+ servers);
+
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_ALL_SERVERS4_RESULT)
+ .arg(servers.size());
+ return (servers);
+}
+
+ServerPtr
+PgSqlConfigBackendDHCPv4::getServer4(const data::ServerTag& server_tag) const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_SERVER4)
+ .arg(server_tag.get());
+ return (impl_->getServer(PgSqlConfigBackendDHCPv4Impl::GET_SERVER4, server_tag));
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateSubnet4(const ServerSelector& server_selector,
+ const Subnet4Ptr& subnet) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_SUBNET4)
+ .arg(subnet);
+ impl_->createUpdateSubnet4(server_selector, subnet);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateSharedNetwork4(const ServerSelector& server_selector,
+ const SharedNetwork4Ptr& shared_network) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_SHARED_NETWORK4)
+ .arg(shared_network->getName());
+ impl_->createUpdateSharedNetwork4(server_selector, shared_network);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateOptionDef4(const ServerSelector& server_selector,
+ const OptionDefinitionPtr& option_def) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_OPTION_DEF4)
+ .arg(option_def->getName()).arg(option_def->getCode());
+ impl_->createUpdateOptionDef4(server_selector, option_def);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateOption4(const ServerSelector& server_selector,
+ const OptionDescriptorPtr& option) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_OPTION4);
+ impl_->createUpdateOption4(server_selector, option);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateOption4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name,
+ const OptionDescriptorPtr& option) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_SHARED_NETWORK_OPTION4)
+ .arg(shared_network_name);
+ impl_->createUpdateOption4(server_selector, shared_network_name, option, false);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateOption4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id,
+ const OptionDescriptorPtr& option) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_BY_SUBNET_ID_OPTION4)
+ .arg(subnet_id);
+ impl_->createUpdateOption4(server_selector, subnet_id, option, false);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateOption4(const ServerSelector& server_selector,
+ const asiolink::IOAddress& pool_start_address,
+ const asiolink::IOAddress& pool_end_address,
+ const OptionDescriptorPtr& option) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_BY_POOL_OPTION4)
+ .arg(pool_start_address.toText()).arg(pool_end_address.toText());
+ impl_->createUpdateOption4(server_selector, pool_start_address, pool_end_address,
+ option);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateGlobalParameter4(const ServerSelector& server_selector,
+ const StampedValuePtr& value) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_GLOBAL_PARAMETER4)
+ .arg(value->getName());
+ impl_->createUpdateGlobalParameter4(server_selector, value);
+}
+
+void
+PgSqlConfigBackendDHCPv4::createUpdateServer4(const ServerPtr& server) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_CREATE_UPDATE_SERVER4)
+ .arg(server->getServerTagAsText());
+ impl_->createUpdateServer(PgSqlConfigBackendDHCPv4Impl::CREATE_AUDIT_REVISION,
+ PgSqlConfigBackendDHCPv4Impl::INSERT_SERVER4,
+ PgSqlConfigBackendDHCPv4Impl::UPDATE_SERVER4,
+ server);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteSubnet4(const ServerSelector& server_selector,
+ const std::string& subnet_prefix) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_PREFIX_SUBNET4)
+ .arg(subnet_prefix);
+ uint64_t result = impl_->deleteSubnet4(server_selector, subnet_prefix);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_PREFIX_SUBNET4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteSubnet4(const ServerSelector& server_selector,
+ const SubnetID& subnet_id) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_SUBNET_ID_SUBNET4)
+ .arg(subnet_id);
+ uint64_t result = impl_->deleteSubnet4(server_selector, subnet_id);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_SUBNET_ID_SUBNET4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteAllSubnets4(const ServerSelector& server_selector) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_SUBNETS4);
+
+ int index = (server_selector.amUnassigned() ?
+ PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SUBNETS4_UNASSIGNED :
+ PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SUBNETS4);
+ uint64_t result = impl_->deleteTransactional(index, server_selector, "deleting all subnets",
+ "deleted all subnets", true);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_SUBNETS4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteSharedNetworkSubnets4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name) {
+ if (!server_selector.amAny()) {
+ isc_throw(InvalidOperation, "deleting all subnets from a shared "
+ "network requires using ANY server selector");
+ }
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SHARED_NETWORK_SUBNETS4)
+ .arg(shared_network_name);
+ uint64_t result = impl_->deleteTransactional(PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SUBNETS4_SHARED_NETWORK_NAME,
+ server_selector,
+ "deleting all subnets for a shared network",
+ "deleted all subnets for a shared network",
+ true, shared_network_name);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SHARED_NETWORK_SUBNETS4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteSharedNetwork4(const ServerSelector& server_selector,
+ const std::string& name) {
+ /// @todo Using UNASSIGNED selector is allowed by the CB API but we don't have
+ /// dedicated query for this at the moment. The user should use ANY to delete
+ /// the shared network by name.
+ if (server_selector.amUnassigned()) {
+ isc_throw(NotImplemented, "deleting an unassigned shared network requires "
+ "an explicit server tag or using ANY server. The UNASSIGNED server "
+ "selector is currently not supported");
+ }
+
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SHARED_NETWORK4)
+ .arg(name);
+
+ int index = (server_selector.amAny() ?
+ PgSqlConfigBackendDHCPv4Impl::DELETE_SHARED_NETWORK4_NAME_ANY :
+ PgSqlConfigBackendDHCPv4Impl::DELETE_SHARED_NETWORK4_NAME_WITH_TAG);
+ uint64_t result = impl_->deleteTransactional(index, server_selector,
+ "deleting a shared network",
+ "shared network deleted", true, name);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SHARED_NETWORK4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteAllSharedNetworks4(const ServerSelector& server_selector) {
+ if (server_selector.amAny()) {
+ isc_throw(InvalidOperation, "deleting all shared networks for ANY server is not"
+ " supported");
+ }
+
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_SHARED_NETWORKS4);
+
+ int index = (server_selector.amUnassigned() ?
+ PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SHARED_NETWORKS4_UNASSIGNED :
+ PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_SHARED_NETWORKS4);
+ uint64_t result = impl_->deleteTransactional(index, server_selector, "deleting all shared networks",
+ "deleted all shared networks", true);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_SHARED_NETWORKS4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteOptionDef4(const ServerSelector& server_selector,
+ const uint16_t code,
+ const std::string& space) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_OPTION_DEF4)
+ .arg(code).arg(space);
+ uint64_t result = impl_->deleteOptionDef4(server_selector, code, space);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_OPTION_DEF4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteAllOptionDefs4(const ServerSelector& server_selector) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_OPTION_DEFS4);
+ uint64_t result = impl_->deleteTransactional(PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_OPTION_DEFS4,
+ server_selector, "deleting all option definitions",
+ "deleted all option definitions", true);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_OPTION_DEFS4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteOption4(const ServerSelector& server_selector,
+ const uint16_t code,
+ const std::string& space) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_OPTION4)
+ .arg(code).arg(space);
+ uint64_t result = impl_->deleteOption4(server_selector, code, space);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_OPTION4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteOption4(const ServerSelector& /* server_selector */,
+ const std::string& shared_network_name,
+ const uint16_t code,
+ const std::string& space) {
+ /// @todo In the future we might use the server selector to make sure that the
+ /// option is only deleted if the pool belongs to a given server. For now, we
+ /// just delete it when there is a match with the parent object.
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SHARED_NETWORK_OPTION4)
+ .arg(shared_network_name).arg(code).arg(space);
+ uint64_t result = impl_->deleteOption4(ServerSelector::ANY(), shared_network_name,
+ code, space);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SHARED_NETWORK_OPTION4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteOption4(const ServerSelector& /* server_selector */,
+ const SubnetID& subnet_id,
+ const uint16_t code,
+ const std::string& space) {
+ /// @todo In the future we might use the server selector to make sure that the
+ /// option is only deleted if the pool belongs to a given server. For now, we
+ /// just delete it when there is a match with the parent object.
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_SUBNET_ID_OPTION4)
+ .arg(subnet_id).arg(code).arg(space);
+ uint64_t result = impl_->deleteOption4(ServerSelector::ANY(), subnet_id, code, space);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_SUBNET_ID_OPTION4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteOption4(const ServerSelector& /* server_selector */,
+ const asiolink::IOAddress& pool_start_address,
+ const asiolink::IOAddress& pool_end_address,
+ const uint16_t code,
+ const std::string& space) {
+ /// @todo In the future we might use the server selector to make sure that the
+ /// option is only deleted if the pool belongs to a given server. For now, we
+ /// just delete it when there is a match with the parent object.
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_POOL_OPTION4)
+ .arg(pool_start_address.toText()).arg(pool_end_address.toText()).arg(code).arg(space);
+ uint64_t result = impl_->deleteOption4(ServerSelector::ANY(), pool_start_address,
+ pool_end_address, code, space);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_BY_POOL_OPTION4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteGlobalParameter4(const ServerSelector& server_selector,
+ const std::string& name) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_GLOBAL_PARAMETER4)
+ .arg(name);
+ uint64_t result = impl_->deleteTransactional(PgSqlConfigBackendDHCPv4Impl::DELETE_GLOBAL_PARAMETER4,
+ server_selector, "deleting global parameter",
+ "global parameter deleted", false, name);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_GLOBAL_PARAMETER4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteAllGlobalParameters4(const ServerSelector& server_selector) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_GLOBAL_PARAMETERS4);
+ uint64_t result = impl_->deleteTransactional(PgSqlConfigBackendDHCPv4Impl::DELETE_ALL_GLOBAL_PARAMETERS4,
+ server_selector, "deleting all global parameters",
+ "all global parameters deleted", true);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_GLOBAL_PARAMETERS4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteServer4(const ServerTag& server_tag) {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SERVER4)
+ .arg(server_tag.get());
+ uint64_t result = impl_->deleteServer4(server_tag);
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_SERVER4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+uint64_t
+PgSqlConfigBackendDHCPv4::deleteAllServers4() {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_SERVERS4);
+ uint64_t result = impl_->deleteAllServers4();
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_DELETE_ALL_SERVERS4_RESULT)
+ .arg(result);
+ return (result);
+}
+
+std::string
+PgSqlConfigBackendDHCPv4::getType() const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_TYPE4);
+ return (impl_->getType());
+}
+
+std::string
+PgSqlConfigBackendDHCPv4::getHost() const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_HOST4);
+ return (impl_->getHost());
+}
+
+uint16_t
+PgSqlConfigBackendDHCPv4::getPort() const {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_GET_PORT4);
+ return (impl_->getPort());
+}
+
+bool
+PgSqlConfigBackendDHCPv4::registerBackendType() {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_REGISTER_BACKEND_TYPE4);
+ return (
+ dhcp::ConfigBackendDHCPv4Mgr::instance().registerBackendFactory("mysql",
+ [](const db::DatabaseConnection::ParameterMap& params) -> dhcp::ConfigBackendDHCPv4Ptr {
+ return (dhcp::PgSqlConfigBackendDHCPv4Ptr(new dhcp::PgSqlConfigBackendDHCPv4(params)));
+ })
+ );
+}
+
+void
+PgSqlConfigBackendDHCPv4::unregisterBackendType() {
+ LOG_DEBUG(pgsql_cb_logger, DBGLVL_TRACE_BASIC, PGSQL_CB_UNREGISTER_BACKEND_TYPE4);
+ dhcp::ConfigBackendDHCPv4Mgr::instance().unregisterBackendFactory("mysql");
+}
+
+} // end of namespace isc::dhcp
+} // end of namespace isc
--- /dev/null
+// Copyright (C) 2021 Internet Systems Consortium, Inc. ("ISC")
+//
+// This Source Code Form is subject to the terms of the Mozilla Public
+// License, v. 2.0. If a copy of the MPL was not distributed with this
+// file, You can obtain one at http://mozilla.org/MPL/2.0/.
+
+#ifndef PGSQL_CONFIG_BACKEND_DHCP4_H
+#define PGSQL_CONFIG_BACKEND_DHCP4_H
+
+#include <pgsql_cb_impl.h>
+#include <database/database_connection.h>
+#include <dhcpsrv/config_backend_dhcp4.h>
+#include <pgsql_cb_log.h>
+#include <boost/shared_ptr.hpp>
+
+namespace isc {
+namespace dhcp {
+
+class PgSqlConfigBackendDHCPv4Impl;
+
+/// @brief Implementation of the Postgres Configuration Backend for
+/// Kea DHCPv4 server.
+///
+/// All POSIX times specified in the methods belonging to this
+/// class must be local times.
+///
+/// The server selection mechanisms used by this backend generally adhere
+/// to the rules described for @c ConfigBackendDHCPv4, but support for
+/// some of the selectors is not implemented. Whenever this is the case,
+/// the methods throw @c isc::NotImplemented exception.
+class PgSqlConfigBackendDHCPv4 : public ConfigBackendDHCPv4 {
+public:
+
+ /// @brief Constructor.
+ ///
+ /// @param parameters A data structure relating keywords and values
+ /// concerned with the database.
+ explicit PgSqlConfigBackendDHCPv4(const db::DatabaseConnection::ParameterMap& parameters);
+
+ /// @brief Retrieves a single subnet by subnet_prefix.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_prefix Prefix of the subnet to be retrieved.
+ /// @return Pointer to the retrieved subnet or NULL if not found.
+ virtual Subnet4Ptr
+ getSubnet4(const db::ServerSelector& server_selector,
+ const std::string& subnet_prefix) const;
+
+ /// @brief Retrieves a single subnet by subnet identifier.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of a subnet to be retrieved.
+ /// @return Pointer to the retrieved subnet or NULL if not found.
+ virtual Subnet4Ptr
+ getSubnet4(const db::ServerSelector& server_selector, const SubnetID& subnet_id) const;
+
+ /// @brief Retrieves all subnets.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Collection of subnets or empty collection if no subnet found.
+ virtual Subnet4Collection
+ getAllSubnets4(const db::ServerSelector& server_selector) const;
+
+ /// @brief Retrieves subnets modified after specified time.
+ ///
+ /// @param server_selector Server selector.
+ /// @param modification_time Lower bound subnet modification time.
+ /// @return Collection of subnets or empty collection if no subnet found.
+ virtual Subnet4Collection
+ getModifiedSubnets4(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const;
+
+ /// @brief Retrieves all subnets belonging to a specified shared network.
+ ///
+ /// The server selector is currently ignored by this method. All subnets
+ /// for the given shared network are returned regardless of their
+ /// associations with the servers.
+ ///
+ /// @param server_selector Server selector (currently ignored).
+ /// @param shared_network_name Name of the shared network for which the
+ /// subnets should be retrieved.
+ /// @return Collection of subnets or empty collection if no subnet found.
+ virtual Subnet4Collection
+ getSharedNetworkSubnets4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name) const;
+
+ /// @brief Retrieves shared network by name.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the shared network to be retrieved.
+ /// @return Pointer to the shared network or NULL if not found.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual SharedNetwork4Ptr
+ getSharedNetwork4(const db::ServerSelector& server_selector,
+ const std::string& name) const;
+
+ /// @brief Retrieves all shared networks.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Collection of shared network or empty collection if
+ /// no shared network found.
+ virtual SharedNetwork4Collection
+ getAllSharedNetworks4(const db::ServerSelector& server_selector) const;
+
+ /// @brief Retrieves shared networks modified after specified time.
+ ///
+ /// @param server_selector Server selector.
+ /// @param modification_time Lower bound shared network modification time.
+ /// @return Collection of shared network or empty collection if
+ /// no shared network found.
+ virtual SharedNetwork4Collection
+ getModifiedSharedNetworks4(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const;
+
+ /// @brief Retrieves single option definition by code and space.
+ ///
+ /// @param server_selector Server selector.
+ /// @param code Code of the option to be retrieved.
+ /// @param space Option space of the option to be retrieved.
+ /// @return Pointer to the option definition or NULL if not found.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual OptionDefinitionPtr
+ getOptionDef4(const db::ServerSelector& server_selector, const uint16_t code,
+ const std::string& space) const;
+
+ /// @brief Retrieves all option definitions.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Collection of option definitions or empty collection if
+ /// no option definition found.
+ virtual OptionDefContainer
+ getAllOptionDefs4(const db::ServerSelector& server_selector) const;
+
+ /// @brief Retrieves option definitions modified after specified time.
+ ///
+ /// @param server_selector Server selector.
+ /// @param modification_time Lower bound option definition modification
+ /// time.
+ /// @return Collection of option definitions or empty collection if
+ /// no option definition found.
+ virtual OptionDefContainer
+ getModifiedOptionDefs4(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const;
+
+ /// @brief Retrieves single option by code and space.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Pointer to the retrieved option descriptor or null if
+ /// no option was found.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual OptionDescriptorPtr
+ getOption4(const db::ServerSelector& server_selector, const uint16_t code,
+ const std::string& space) const;
+
+ /// @brief Retrieves all global options.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Collection of global options or empty collection if no
+ /// option found.
+ virtual OptionContainer
+ getAllOptions4(const db::ServerSelector& server_selector) const;
+
+ /// @brief Retrieves option modified after specified time.
+ ///
+ /// @param server_selector Server selector.
+ /// @param modification_time Lower bound option modification time.
+ /// @return Collection of global options or empty collection if no
+ /// option found.
+ virtual OptionContainer
+ getModifiedOptions4(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const;
+
+ /// @brief Retrieves global parameter value.
+ ///
+ /// Typically, the server selector used for this query should be set to
+ /// ONE. It is possible to use the MULTIPLE server selector but in that
+ /// case only the first found parameter is returned.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the global parameter to be retrieved.
+ /// @return Value of the global parameter.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual data::StampedValuePtr
+ getGlobalParameter4(const db::ServerSelector& server_selector,
+ const std::string& name) const;
+
+ /// @brief Retrieves all global parameters.
+ ///
+ /// Using the server selector it is possible to fetch the parameters for
+ /// one or more servers. The following list describes what parameters are
+ /// returned depending on the server selector specified:
+ /// - ALL: only common parameters are returned which are associated with
+ /// the logical server 'all'. No parameters associated with the explicit
+ /// server tags are returned.
+ ///
+ /// - ONE: parameters used by the particular sever are returned. This includes
+ /// parameters associated with the particular server (identified by tag)
+ /// and parameters associated with the logical server 'all' when server
+ /// specific parameters are not given. For example, if there is a
+ /// renew-timer specified for 'server1' tag, different value of the
+ /// renew-timer specified for 'all' servers and a rebind-timer specified
+ /// for 'all' servers, the caller will receive renew-timer value associated
+ /// with the server1 and the rebind-timer value associated with all servers,
+ /// because there is no explicit rebind-timer specified for server1.
+ ///
+ /// - MULTIPLE: parameters used by multiple servers, but those associated
+ /// with specific server tags take precedence over the values specified for
+ /// 'all' servers. This is similar to the case of ONE server described
+ /// above. The effect of querying for parameters belonging to multiple
+ /// servers is the same as issuing multiple queries with ONE server
+ /// being selected multiple times.
+ ///
+ /// - UNASSIGNED: parameters not associated with any servers.
+ ///
+ ///
+ /// @param server_selector Server selector.
+ virtual data::StampedValueCollection
+ getAllGlobalParameters4(const db::ServerSelector& server_selector) const;
+
+ /// @brief Retrieves global parameters modified after specified time.
+ ///
+ /// @param modification_time Lower bound modification time.
+ /// @return Collection of modified global parameters.
+ virtual data::StampedValueCollection
+ getModifiedGlobalParameters4(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time) const;
+
+ /// @brief Retrieves the most recent audit entries.
+ ///
+ /// @param selector Server selector.
+ /// @param modification_time Timestamp being a lower limit for the returned
+ /// result set, i.e. entries later than specified time are returned.
+ /// @param modification_id Identifier being a lower limit for the returned
+ /// result set, used when two (or more) entries have the same
+ /// modification_time.
+ /// @return Collection of audit entries.
+ virtual db::AuditEntryCollection
+ getRecentAuditEntries(const db::ServerSelector& server_selector,
+ const boost::posix_time::ptime& modification_time,
+ const uint64_t& modification_id) const;
+
+ /// @brief Retrieves all servers.
+ ///
+ /// This method returns the list of servers excluding the logical server
+ /// 'all'.
+ ///
+ /// @return Collection of servers from the backend.
+ virtual db::ServerCollection
+ getAllServers4() const;
+
+ /// @brief Retrieves a server.
+ ///
+ /// @param server_tag Tag of the server to be retrieved.
+ /// @return Pointer to the server instance or null pointer if no server
+ /// with the particular tag was found.
+ virtual db::ServerPtr
+ getServer4(const data::ServerTag& server_tag) const;
+
+ /// @brief Creates or updates a subnet.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet Subnet to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateSubnet4(const db::ServerSelector& server_selector,
+ const Subnet4Ptr& subnet);
+
+ /// @brief Creates or updates a shared network.
+ ///
+ /// @param server_selector Server selector.
+ /// @param shared_network Shared network to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateSharedNetwork4(const db::ServerSelector& server_selector,
+ const SharedNetwork4Ptr& shared_network);
+
+ /// @brief Creates or updates an option definition.
+ ///
+ /// @param server_selector Server selector.
+ /// @param option_def Option definition to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateOptionDef4(const db::ServerSelector& server_selector,
+ const OptionDefinitionPtr& option_def);
+
+ /// @brief Creates or updates global option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param option Option to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateOption4(const db::ServerSelector& server_selector,
+ const OptionDescriptorPtr& option);
+
+ /// @brief Creates or updates shared network level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param shared_network_name Name of a shared network to which option
+ /// belongs.
+ /// @param option Option to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateOption4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name,
+ const OptionDescriptorPtr& option);
+
+ /// @brief Creates or updates subnet level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of a subnet to which option belongs.
+ /// @param option Option to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateOption4(const db::ServerSelector& server_selector,
+ const SubnetID& subnet_id,
+ const OptionDescriptorPtr& option);
+
+ /// @brief Creates or updates pool level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param pool_start_address Lower bound address of the pool to which
+ /// the option belongs.
+ /// @param pool_end_address Upper bound address of the pool to which the
+ /// option belongs.
+ /// @param option Option to be added or updated.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateOption4(const db::ServerSelector& server_selector,
+ const asiolink::IOAddress& pool_start_address,
+ const asiolink::IOAddress& pool_end_address,
+ const OptionDescriptorPtr& option);
+
+ /// @brief Creates or updates global parameter.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the global parameter.
+ /// @param value Value of the global parameter.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual void
+ createUpdateGlobalParameter4(const db::ServerSelector& server_selector,
+ const data::StampedValuePtr& value);
+
+ /// @brief Creates or updates a server.
+ ///
+ /// @param server Instance of the server to be stored.
+ /// @throw InvalidOperation when trying to create a duplicate or
+ /// update the logical server 'all'.
+ virtual void
+ createUpdateServer4(const db::ServerPtr& server);
+
+ /// @brief Deletes subnet by prefix.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_prefix Prefix of the subnet to be deleted.
+ /// @return Number of deleted subnets.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteSubnet4(const db::ServerSelector& server_selector,
+ const std::string& subnet_prefix);
+
+ /// @brief Deletes subnet by identifier.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of the subnet to be deleted.
+ /// @return Number of deleted subnets.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteSubnet4(const db::ServerSelector& server_selector, const SubnetID& subnet_id);
+
+ /// @brief Deletes all subnets.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Number of deleted subnets.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteAllSubnets4(const db::ServerSelector& server_selector);
+
+ /// @brief Deletes all subnets belonging to a specified shared network.
+ ///
+ /// @param server_selector Server selector.
+ /// @param shared_network_name Name of the shared network for which the
+ /// subnets should be deleted.
+ /// @return Number of deleted subnets.
+ virtual uint64_t
+ deleteSharedNetworkSubnets4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name);
+
+ /// @brief Deletes shared network by name.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the shared network to be deleted.
+ /// @return Number of deleted shared networks.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteSharedNetwork4(const db::ServerSelector& server_selector,
+ const std::string& name);
+
+ /// @brief Deletes all shared networks.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Number of deleted shared networks.
+ virtual uint64_t
+ deleteAllSharedNetworks4(const db::ServerSelector& server_selector);
+
+ /// @brief Deletes option definition.
+ ///
+ /// @param server_selector Server selector.
+ /// @param code Code of the option to be deleted.
+ /// @param space Option space of the option to be deleted.
+ /// @return Number of deleted option definitions.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteOptionDef4(const db::ServerSelector& server_selector, const uint16_t code,
+ const std::string& space);
+
+ /// @brief Deletes all option definitions.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Number of deleted option definitions.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteAllOptionDefs4(const db::ServerSelector& server_selector);
+
+ /// @brief Deletes global option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param code Code of the option to be deleted.
+ /// @param space Option space of the option to be deleted.
+ /// @return Number of deleted options.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteOption4(const db::ServerSelector& server_selector, const uint16_t code,
+ const std::string& space);
+
+ /// @brief Deletes shared network level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param shared_network_name Name of the shared network which deleted
+ /// option belongs to
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteOption4(const db::ServerSelector& server_selector,
+ const std::string& shared_network_name,
+ const uint16_t code,
+ const std::string& space);
+
+ /// @brief Deletes subnet level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param subnet_id Identifier of the subnet to which deleted option
+ /// belongs.
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @return Number of deleted options.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteOption4(const db::ServerSelector& server_selector, const SubnetID& subnet_id,
+ const uint16_t code, const std::string& space);
+
+ /// @brief Deletes pool level option.
+ ///
+ /// @param server_selector Server selector.
+ /// @param pool_start_address Lower bound address of the pool to which
+ /// deleted option belongs.
+ /// @param pool_end_address Upper bound address of the pool to which the
+ /// deleted option belongs.
+ /// @param code Code of the deleted option.
+ /// @param space Option space of the deleted option.
+ /// @return Number of deleted options.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteOption4(const db::ServerSelector& server_selector,
+ const asiolink::IOAddress& pool_start_address,
+ const asiolink::IOAddress& pool_end_address,
+ const uint16_t code,
+ const std::string& space);
+
+ /// @brief Deletes global parameter.
+ ///
+ /// @param server_selector Server selector.
+ /// @param name Name of the global parameter to be deleted.
+ /// @return Number of deleted global parameters.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteGlobalParameter4(const db::ServerSelector& server_selector,
+ const std::string& name);
+
+ /// @brief Deletes all global parameters.
+ ///
+ /// @param server_selector Server selector.
+ /// @return Number of deleted global parameters.
+ /// @throw NotImplemented if server selector is "unassigned".
+ virtual uint64_t
+ deleteAllGlobalParameters4(const db::ServerSelector& server_selector);
+
+ /// @brief Deletes a server from the backend.
+ ///
+ /// @param server_tag Tag of the server to be deleted.
+ /// @return Number of deleted servers.
+ /// @throw isc::InvalidOperation when trying to delete the logical
+ /// server 'all'.
+ virtual uint64_t
+ deleteServer4(const data::ServerTag& server_tag);
+
+ /// @brief Deletes all servers from the backend except the logical
+ /// server 'all'.
+ ///
+ /// @return Number of deleted servers.
+ virtual uint64_t
+ deleteAllServers4();
+
+ /// @brief Returns backend type in the textual format.
+ ///
+ /// @return "pgsql".
+ virtual std::string getType() const;
+
+ /// @brief Returns backend host.
+ ///
+ /// This is used by the @c BaseConfigBackendPool to select backend
+ /// when @c BackendSelector is specified.
+ ///
+ /// @return host on which the database is located.
+ virtual std::string getHost() const;
+
+ /// @brief Returns backend port number.
+ ///
+ /// This is used by the @c BaseConfigBackendPool to select backend
+ /// when @c BackendSelector is specified.
+ ///
+ /// @return Port number on which database service is available.
+ virtual uint16_t getPort() const;
+
+ /// @brief Registers the Postgres backend factory with backend config manager
+ ///
+ /// This should be called by the hook lib load() function.
+ /// @return True if the factory was registered successfully, false otherwise.
+ static bool registerBackendType();
+
+ /// @brief Unregisters the Postgres backend factory and discards Postgres backends
+ ///
+ /// This should be called by the hook lib unload() function.
+ static void unregisterBackendType();
+
+ /// @brief Flag which indicates if the config backend has an unusable
+ /// connection.
+ ///
+ /// @return true if there is at least one unusable connection, false
+ /// otherwise
+ virtual bool isUnusable();
+
+protected:
+
+ /// @brief Pointer to the implementation of the @c PgSqlConfigBackendDHCPv4
+ /// class.
+ boost::shared_ptr<PgSqlConfigBackendDHCPv4Impl> impl_;
+
+ /// @brief Pointer to the base implementation of the backend shared by
+ /// DHCPv4 and DHCPv6 servers.
+ boost::shared_ptr<PgSqlConfigBackendImpl> base_impl_;
+};
+
+/// @brief Pointer to the @c PgSqlConfigBackendDHCPv4 class.
+typedef boost::shared_ptr<PgSqlConfigBackendDHCPv4> PgSqlConfigBackendDHCPv4Ptr;
+
+} // end of namespace isc::cb
+} // end of namespace isc
+
+#endif // PGSQL_CONFIG_BACKEND_DHCP4_H