GET_HOST_SUBID_ADDR, // Gets host by IPv4 SubnetID and IPv4 address
GET_HOST_PREFIX, // Gets host by IPv6 prefix
GET_HOST_SUBID6_ADDR, // Gets host by IPv6 SubnetID and IPv6 prefix
+ GET_HOST_ADDR6, // Gets host by IPv6 prefix
GET_HOST_SUBID4, // Gets hosts by IPv4 SubnetID
GET_HOST_SUBID6, // Gets hosts by IPv6 SubnetID
GET_HOST_HOSTNAME, // Gets hosts by hostname
"WHERE address = ?) "
"ORDER BY h.host_id, o.option_id, r.reservation_id"},
+ // Retrieves host information, IPv6 reservations and DHCPv6 options
+ // associated with a host using IPv6 prefix. This query
+ // returns host information for a single host. However, multiple rows
+ // are returned due to left joining IPv6 reservations and DHCPv6 options.
+ // The number of rows returned is multiplication of number of existing
+ // IPv6 reservations and DHCPv6 options.
+ {MySqlHostDataSourceImpl::GET_HOST_ADDR6,
+ "SELECT h.host_id, h.dhcp_identifier, "
+ "h.dhcp_identifier_type, h.dhcp4_subnet_id, "
+ "h.dhcp6_subnet_id, h.ipv4_address, h.hostname, "
+ "h.dhcp4_client_classes, h.dhcp6_client_classes, h.user_context, "
+ "h.dhcp4_next_server, h.dhcp4_server_hostname, "
+ "h.dhcp4_boot_file_name, h.auth_key, "
+ "o.option_id, o.code, o.value, o.formatted_value, o.space, "
+ "o.persistent, o.cancelled, o.user_context, "
+ "r.reservation_id, r.address, r.prefix_len, r.type, "
+ "r.dhcp6_iaid "
+ "FROM hosts AS h "
+ "LEFT JOIN dhcp6_options AS o "
+ "ON h.host_id = o.host_id "
+ "LEFT JOIN ipv6_reservations AS r "
+ "ON h.host_id = r.host_id "
+ "WHERE r.address = ? "
+ "ORDER BY h.host_id, o.option_id, r.reservation_id"},
+
// Retrieves host information along with the DHCPv4 options associated with
// it. Left joining the dhcp4_options table results in multiple rows being
// returned for the same host. Hosts are retrieved by IPv4 subnet id.
return (collection);
}
+ConstHostCollection
+MySqlHostDataSource::getAll6(const IOAddress& address) const {
+ if (!address.isV6()) {
+ isc_throw(BadValue, "MySqlHostDataSource::getAll6(address): "
+ "wrong address type, address supplied is an IPv4 address");
+ }
+
+ // Get a context
+ MySqlHostContextAlloc get_context(*impl_);
+ MySqlHostContextPtr ctx = get_context.ctx_;
+
+ // Set up the WHERE clause value
+ MYSQL_BIND inbind[1];
+ memset(inbind, 0, sizeof(inbind));
+
+ std::string addr6 = address.toText();
+ unsigned long addr6_length = addr6.size();
+
+ inbind[0].buffer_type = MYSQL_TYPE_BLOB;
+ inbind[0].buffer = reinterpret_cast<char*>
+ (const_cast<char*>(addr6.c_str()));
+ inbind[0].length = &addr6_length;
+ inbind[0].buffer_length = addr6_length;
+
+ ConstHostCollection collection;
+ impl_->getHostCollection(ctx, MySqlHostDataSourceImpl::GET_HOST_ADDR6, inbind,
+ ctx->host_ipv6_exchange_, collection, false);
+ return (collection);
+}
+
void
MySqlHostDataSource::update(HostPtr const& host) {
// Get a context.
getAll6(const SubnetID& subnet_id,
const asiolink::IOAddress& address) const;
+ /// @brief Returns all hosts having a reservation for a specified
+ /// address or delegated prefix (lease) in all subnets.
+ ///
+ /// In most cases it is desired that there is at most one reservation
+ /// for a given IPv6 lease within a subnet. In a default configuration,
+ /// the backend does not allow for inserting more than one host with
+ /// the same IPv6 address or prefix.
+ ///
+ /// If the backend is configured to allow multiple hosts with reservations
+ /// for the same IPv6 lease in the given subnet, this method can return
+ /// more than one host per subnet.
+ ///
+ /// The typical use case when a single IPv6 lease is reserved for multiple
+ /// hosts is when these hosts represent different interfaces of the same
+ /// machine and each interface comes with a different MAC address. In that
+ /// case, the same IPv6 lease is assigned regardless of which interface is
+ /// used by the DHCP client to communicate with the server.
+ ///
+ /// @param address reserved IPv6 address/prefix.
+ ///
+ /// @return Collection of const @c Host objects.
+ virtual ConstHostCollection getAll6(const asiolink::IOAddress& address) const;
+
/// @brief Implements @ref BaseHostDataSource::update() for MySQL.
///
/// Attempts to update an existing host entry.
GET_HOST_SUBID_ADDR, // Gets host by IPv4 SubnetID and IPv4 address
GET_HOST_PREFIX, // Gets host by IPv6 prefix
GET_HOST_SUBID6_ADDR, // Gets host by IPv6 SubnetID and IPv6 prefix
+ GET_HOST_ADDR6, // Gets host by IPv6 prefix
GET_HOST_SUBID4, // Gets hosts by IPv4 SubnetID
GET_HOST_SUBID6, // Gets hosts by IPv6 SubnetID
GET_HOST_HOSTNAME, // Gets hosts by hostname
"ORDER BY h.host_id, o.option_id, r.reservation_id"
},
+ // PgSqlHostDataSourceImpl::GET_HOST_ADDR6
+ // Retrieves host information, IPv6 reservations and DHCPv6 options
+ // associated with a host using IPv6 prefix. This query
+ // returns host information for a single host. However, multiple rows
+ // are returned due to left joining IPv6 reservations and DHCPv6 options.
+ // The number of rows returned is multiplication of number of existing
+ // IPv6 reservations and DHCPv6 options.
+ {1,
+ { OID_VARCHAR },
+ "get_host_addr6",
+ "SELECT h.host_id, h.dhcp_identifier, "
+ " h.dhcp_identifier_type, h.dhcp4_subnet_id, "
+ " h.dhcp6_subnet_id, h.ipv4_address, h.hostname, "
+ " h.dhcp4_client_classes, h.dhcp6_client_classes, h.user_context, "
+ " h.dhcp4_next_server, h.dhcp4_server_hostname, "
+ " h.dhcp4_boot_file_name, h.auth_key, "
+ " o.option_id, o.code, o.value, o.formatted_value, o.space, "
+ " o.persistent, o.cancelled, o.user_context, "
+ " r.reservation_id, r.address, r.prefix_len, r.type, "
+ " r.dhcp6_iaid "
+ "FROM hosts AS h "
+ "LEFT JOIN dhcp6_options AS o ON h.host_id = o.host_id "
+ "LEFT JOIN ipv6_reservations AS r ON h.host_id = r.host_id "
+ "WHERE r.address = $1 "
+ "ORDER BY h.host_id, o.option_id, r.reservation_id"
+ },
+
// PgSqlHostDataSourceImpl::GET_HOST_SUBID4
//
// Retrieves host information for all hosts in a subnet, along with the
return (collection);
}
+ConstHostCollection
+PgSqlHostDataSource::getAll6(const IOAddress& address) const {
+ if (!address.isV6()) {
+ isc_throw(BadValue, "PgSqlHostDataSource::get6(address): "
+ "wrong address type, address supplied is an IPv4 address");
+ }
+
+ // Get a context
+ PgSqlHostContextAlloc get_context(*impl_);
+ PgSqlHostContextPtr ctx = get_context.ctx_;
+
+ // Set up the WHERE clause value
+ PsqlBindArrayPtr bind_array(new PsqlBindArray());
+
+ // Add the prefix
+ bind_array->add(address);
+
+ ConstHostCollection collection;
+ impl_->getHostCollection(ctx, PgSqlHostDataSourceImpl::GET_HOST_ADDR6,
+ bind_array, ctx->host_ipv6_exchange_, collection, false);
+ return (collection);
+}
+
void
PgSqlHostDataSource::update(HostPtr const& host) {
// Get a context.
getAll6(const SubnetID& subnet_id,
const asiolink::IOAddress& address) const;
+ virtual ConstHostCollection getAll6(const asiolink::IOAddress& address) const;
+
/// @brief Implements @ref BaseHostDataSource::update() for PostgreSQL.
///
/// Attempts to update an existing host entry.
projects / thirdparty / kea.git / commitdiff
