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[#1848] v6 CB removed

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- to be added back in #96
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Tomek Mrugalski
2021-10-29 12:41:34 +02:00
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src/hooks/dhcp/pgsql_cb/pgsql_cb_dhcp6.cc
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src/hooks/dhcp/pgsql_cb/pgsql_cb_dhcp6.h
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// 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_DHCP6_H
#define PGSQL_CONFIG_BACKEND_DHCP6_H
#include <database/database_connection.h>
#include <dhcpsrv/config_backend_dhcp6.h>
#include <boost/shared_ptr.hpp>
#include <pgsql_cb_impl.h>
#include <pgsql_cb_log.h>
namespace isc {
namespace dhcp {
class PgSqlConfigBackendDHCPv6Impl;
/// @brief Implementation of the Postgres Configuration Backend for
/// Kea DHCPv6 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 ConfigBackendDHCPv6, but support for
/// some of the selectors is not implemented. Whenever this is the case,
/// the methods throw @c isc::NotImplemented exception.
class PgSqlConfigBackendDHCPv6 : public ConfigBackendDHCPv6 {
public:
/// @brief Constructor.
///
/// @param parameters A data structure relating keywords and values
/// concerned with the database.
explicit PgSqlConfigBackendDHCPv6(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 Subnet6Ptr
getSubnet6(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 Subnet6Ptr
getSubnet6(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 Subnet6Collection getAllSubnets6(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 Subnet6Collection
getModifiedSubnets6(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 Subnet6Collection
getSharedNetworkSubnets6(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 SharedNetwork6Ptr
getSharedNetwork6(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 SharedNetwork6Collection
getAllSharedNetworks6(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 SharedNetwork6Collection
getModifiedSharedNetworks6(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 getOptionDef6(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 getAllOptionDefs6(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
getModifiedOptionDefs6(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 getOption6(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 getAllOptions6(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
getModifiedOptions6(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
getGlobalParameter6(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
getAllGlobalParameters6(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
getModifiedGlobalParameters6(const db::ServerSelector& server_selector,
const boost::posix_time::ptime& modification_time) const;
/// @brief Retrieves a client class by name.
///
/// @param selector Server selector.
/// @param name Client class name.
/// @return Pointer to the retrieved client class.
virtual ClientClassDefPtr
getClientClass6(const db::ServerSelector& selector, const std::string& name) const;
/// @brief Retrieves all client classes.
///
/// @param selector Server selector.
/// @return Collection of client classes.
virtual ClientClassDictionary getAllClientClasses6(const db::ServerSelector& selector) const;
/// @brief Retrieves client classes modified after specified time.
///
/// @param selector Server selector.
/// @param modification_time Modification time.
/// @return Collection of client classes.
virtual ClientClassDictionary
getModifiedClientClasses6(const db::ServerSelector& 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 getAllServers6() 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 getServer6(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
createUpdateSubnet6(const db::ServerSelector& server_selector, const Subnet6Ptr& 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 createUpdateSharedNetwork6(const db::ServerSelector& server_selector,
const SharedNetwork6Ptr& 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 createUpdateOptionDef6(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 createUpdateOption6(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 createUpdateOption6(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 createUpdateOption6(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 createUpdateOption6(const db::ServerSelector& server_selector,
const asiolink::IOAddress& pool_start_address,
const asiolink::IOAddress& pool_end_address,
const OptionDescriptorPtr& option);
/// @brief Creates or updates prefix delegation pool level option.
///
/// @param server_selector Server selector.
/// @param pd_pool_prefix Address part of the prefix of the prefix
/// delegation pool to which the option belongs.
/// @param pd_pool_prefix_length Prefix length of the prefix
/// delegation pool to which the option belongs.
/// @param option Option to be added or updated.
/// @throw NotImplemented if server selector is "unassigned".
virtual void createUpdateOption6(const db::ServerSelector& server_selector,
const asiolink::IOAddress& pd_pool_prefix,
const uint8_t pd_pool_prefix_length,
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 createUpdateGlobalParameter6(const db::ServerSelector& server_selector,
const data::StampedValuePtr& value);
/// @brief Creates or updates a client class.
///
/// @param server_selector Server selector.
/// @param client_class Client class to be added or updated.
/// @param follow_class_name name of the class after which the
/// new or updated class should be positioned. An empty value
/// causes the class to be appended at the end of the class
/// hierarchy.
virtual void createUpdateClientClass6(const db::ServerSelector& server_selector,
const ClientClassDefPtr& client_class,
const std::string& follow_class_name);
/// @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 createUpdateServer6(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
deleteSubnet6(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
deleteSubnet6(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 deleteAllSubnets6(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 deleteSharedNetworkSubnets6(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
deleteSharedNetwork6(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 deleteAllSharedNetworks6(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 deleteOptionDef6(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 deleteAllOptionDefs6(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 deleteOption6(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 deleteOption6(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 deleteOption6(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 deleteOption6(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 prefix delegation pool level option.
///
/// @param server_selector Server selector.
/// @param pool_start_address Lower bound address of the prefix
/// delegation pool to which deleted option belongs.
/// @param pool_end_address Upper bound address of the prefix
/// delegation 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 deleteOption6(const db::ServerSelector& server_selector,
const asiolink::IOAddress& pd_pool_prefix,
const uint8_t pd_pool_prefix_length,
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
deleteGlobalParameter6(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 deleteAllGlobalParameters6(const db::ServerSelector& server_selector);
/// @brief Deletes a client class.
///
/// @param server_selector Server selector.
/// @param name Name of the class to be deleted.
/// @return Number of deleted client classes.
virtual uint64_t
deleteClientClass6(const db::ServerSelector& server_selector, const std::string& name);
/// @brief Deletes all client classes.
///
/// @param server_selector Server selector.
/// @return Number of deleted client classes.
virtual uint64_t deleteAllClientClasses6(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 deleteServer6(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 deleteAllServers6();
/// @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 PgSqlConfigBackendDHCPv6
/// class.
boost::shared_ptr<PgSqlConfigBackendDHCPv6Impl> 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 PgSqlConfigBackendDHCPv6 class.
typedef boost::shared_ptr<PgSqlConfigBackendDHCPv6> PgSqlConfigBackendDHCPv6Ptr;
} // namespace dhcp
} // end of namespace isc
#endif // PGSQL_CONFIG_BACKEND_DHCP6_H

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// 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 <cc/stamped_value.h>
#include <dhcpsrv/config_backend_dhcp6_mgr.h>
#include <dhcpsrv/testutils/generic_backend_unittest.h>
#include <pgsql/testutils/pgsql_schema.h>
#include <boost/shared_ptr.hpp>
#include <gtest/gtest.h>
#include <pgsql_cb_dhcp6.h>
using namespace isc::data;
using namespace isc::dhcp;
using namespace isc::dhcp::test;
using namespace isc::db;
using namespace isc::db::test;
namespace {
/// @brief Test fixture class for @c PgSqlConfigBackendDHCPv6Mgr.
class PgSqlConfigBackendDHCPv6MgrTest : public GenericBackendTest {
public:
/// @brief Constructor.
PgSqlConfigBackendDHCPv6MgrTest() {
// Recreate a fresh mgr.
ConfigBackendDHCPv6Mgr::create();
// Ensure we have the proper schema with no transient data.
createPgSQLSchema();
}
/// @brief Destructor.
virtual ~PgSqlConfigBackendDHCPv6MgrTest() {
// Destroy the mgr.
ConfigBackendDHCPv6Mgr::destroy();
// If data wipe enabled, delete transient data otherwise destroy the schema.
destroyPgSQLSchema();
}
};
// This test verifies that Postgres backend can be registered with and
// unregistered from the Config Backend Manager.
TEST_F(PgSqlConfigBackendDHCPv6MgrTest, factoryRegistration) {
// Get the mgr singleton.
ConfigBackendDHCPv6Mgr& mgr = ConfigBackendDHCPv6Mgr::instance();
// With no factory registered, attempting to add a Postgres db should fail.
ASSERT_THROW(mgr.addBackend(validPgSQLConnectionString()), InvalidType);
// Now we'll register the Postgres factory.
ASSERT_NO_THROW(PgSqlConfigBackendDHCPv6::registerBackendType());
// With the factory registered, attempting to add a Postgres db should succeed.
ASSERT_NO_THROW(mgr.addBackend(validPgSQLConnectionString()));
// Create a Postgres backend selector for convenience.
BackendSelector pgsql(BackendSelector::Type::PGSQL);
// Should be able to create a global parameter.
StampedValuePtr server_tag = StampedValue::create("server-tag", "whale");
ASSERT_NO_THROW(
mgr.getPool()->createUpdateGlobalParameter6(pgsql, ServerSelector::ALL(), server_tag));
// Verify parameter can be fetched.
server_tag.reset();
ASSERT_NO_THROW(server_tag = mgr.getPool()->getGlobalParameter6(pgsql, ServerSelector::ALL(),
"server-tag"));
ASSERT_TRUE(server_tag);
EXPECT_EQ("server-tag", server_tag->getName());
EXPECT_EQ("whale", server_tag->getValue());
// Now we'll unregister PgSQL.
ASSERT_NO_THROW(PgSqlConfigBackendDHCPv6::unregisterBackendType());
// With no factory registered, attempting to add a Postgres db should fail.
ASSERT_THROW(mgr.addBackend(validPgSQLConnectionString()), InvalidType);
// Attempting to read the global parameter should fail.
ASSERT_THROW(mgr.getPool()->getGlobalParameter6(pgsql, ServerSelector::ALL(), "server-tag"),
NoSuchDatabase);
}
} // namespace

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src/hooks/dhcp/pgsql_cb/tests/pgsql_cb_dhcp6_unittest.cc
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