| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| * |
| */ |
| package org.apache.directory.shared.ldap.extras.extended; |
| |
| |
| import java.nio.ByteBuffer; |
| import java.util.List; |
| |
| import org.apache.directory.shared.asn1.DecoderException; |
| import org.apache.directory.shared.asn1.EncoderException; |
| import org.apache.directory.shared.asn1.ber.Asn1Decoder; |
| import org.apache.directory.shared.i18n.I18n; |
| import org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnectContainer; |
| import org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnectDecoder; |
| import org.apache.directory.shared.ldap.model.exception.LdapURLEncodingException; |
| import org.apache.directory.shared.ldap.model.message.ExtendedResponseImpl; |
| import org.apache.directory.shared.ldap.model.message.Referral; |
| import org.apache.directory.shared.ldap.model.message.ReferralImpl; |
| import org.apache.directory.shared.ldap.model.message.ResultCodeEnum; |
| import org.apache.directory.shared.ldap.model.filter.LdapURL; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| |
| /** |
| * An unsolicited notification, extended response, intended for notifying |
| * clients of upcoming disconnection due to intended service windows. Unlike the |
| * {@link org.apache.directory.shared.ldap.model.message.extended.NoticeOfDisconnect} this response contains additional information about |
| * the amount of time the server will be offline and exactly when it intends to |
| * shutdown. |
| * |
| * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> |
| */ |
| public class GracefulDisconnect extends ExtendedResponseImpl |
| { |
| /** The serialVersionUID. */ |
| private static final long serialVersionUID = -4682291068700593492L; |
| |
| /** The OID for the graceful disconnect extended operation response. */ |
| public static final String EXTENSION_OID = "1.3.6.1.4.1.18060.0.1.5"; |
| |
| /** The logger. */ |
| private static final Logger LOG = LoggerFactory.getLogger( GracefulDisconnect.class ); |
| |
| /** Offline time after disconnection */ |
| private int timeOffline; |
| |
| /** Delay before disconnection */ |
| private int delay; |
| |
| /** String based LDAP URL that may be followed for replicated namingContexts */ |
| private Referral replicatedContexts = new ReferralImpl(); |
| |
| |
| /** |
| * Instantiates a new graceful disconnect. |
| * |
| * @param responseValue the response value |
| * @throws DecoderException if the response value can't be decoded |
| */ |
| public GracefulDisconnect( byte[] responseValue ) throws DecoderException |
| { |
| super( 0, EXTENSION_OID ); |
| |
| if ( responseValue != null ) |
| { |
| this.responseValue = new byte[responseValue.length]; |
| System.arraycopy( responseValue, 0, this.responseValue, 0, responseValue.length ); |
| } |
| else |
| { |
| this.responseValue = null; |
| } |
| |
| decodeValue(); |
| } |
| |
| |
| /** |
| * Instantiates a new graceful disconnect. |
| */ |
| public GracefulDisconnect() |
| { |
| super( 0, EXTENSION_OID ); |
| this.responseValue = null; |
| } |
| |
| |
| /** |
| * Instantiates a new graceful disconnect. |
| * |
| * @param timeOffline the offline time after disconnect, in minutes |
| * @param delay the delay before disconnect, in seconds |
| */ |
| public GracefulDisconnect( int timeOffline, int delay ) |
| { |
| super( 0, EXTENSION_OID ); |
| responseName = EXTENSION_OID; |
| this.timeOffline = timeOffline; |
| this.delay = delay; |
| |
| StringBuffer buf = new StringBuffer(); |
| buf.append( "The server will disconnect and will be unavailable for " ).append( timeOffline ); |
| buf.append( " minutes in " ).append( delay ).append( " seconds." ); |
| |
| ldapResult.setErrorMessage( buf.toString() ); |
| ldapResult.setMatchedDn( null ); |
| ldapResult.setResultCode( ResultCodeEnum.UNAVAILABLE ); |
| |
| encodeResponse(); |
| } |
| |
| |
| private void decodeValue() throws DecoderException |
| { |
| GracefulDisconnectDecoder decoder = new GracefulDisconnectDecoder(); |
| org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnect codec = null; |
| |
| try |
| { |
| codec = (org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnect) decoder |
| .decode( responseValue ); |
| this.timeOffline = codec.getTimeOffline(); |
| this.delay = codec.getDelay(); |
| ldapResult.setResultCode( ResultCodeEnum.SUCCESS ); |
| List<LdapURL> contexts = codec.getReplicatedContexts(); |
| |
| for ( LdapURL ldapUrl : contexts ) |
| { |
| replicatedContexts.addLdapUrl( ldapUrl.toString() ); |
| } |
| } |
| catch ( DecoderException e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_04169 ), e ); |
| throw e; |
| } |
| } |
| |
| |
| private void encodeResponse() |
| { |
| org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnect codec = new org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnect(); |
| codec.setTimeOffline( this.timeOffline ); |
| codec.setDelay( this.delay ); |
| |
| for ( String ldapUrlStr : replicatedContexts.getLdapUrls() ) |
| { |
| LdapURL ldapUrl = null; |
| |
| try |
| { |
| ldapUrl = new LdapURL( ldapUrlStr ); |
| } |
| catch ( LdapURLEncodingException e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_04170, ldapUrlStr ), e ); |
| continue; |
| } |
| |
| codec.addReplicatedContexts( ldapUrl ); |
| } |
| |
| try |
| { |
| super.responseValue = codec.encode().array(); |
| } |
| catch ( EncoderException e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_04171 ), e ); |
| throw new RuntimeException( e ); |
| } |
| } |
| |
| |
| // ------------------------------------------------------------------------ |
| // ExtendedResponse Interface Method Implementations |
| // ------------------------------------------------------------------------ |
| |
| /** |
| * Gets the response OID specific encoded response values. |
| * |
| * @return the response specific encoded response values. |
| */ |
| public byte[] getResponseValue() |
| { |
| if ( responseValue == null ) |
| { |
| encodeResponse(); |
| } |
| |
| final byte[] copy = new byte[responseValue.length]; |
| System.arraycopy( responseValue, 0, copy, 0, responseValue.length ); |
| return copy; |
| } |
| |
| |
| /** |
| * Sets the response OID specific encoded response values. |
| * |
| * @param responseValue the response specific encoded response values. |
| */ |
| public void setResponseValue( byte[] responseValue ) |
| { |
| if ( responseValue == null ) |
| { |
| this.responseValue = null; |
| this.delay = 0; |
| this.timeOffline = 0; |
| this.replicatedContexts = new ReferralImpl(); |
| return; |
| } |
| |
| ByteBuffer bb = ByteBuffer.wrap( responseValue ); |
| GracefulDisconnectContainer container = new GracefulDisconnectContainer(); |
| Asn1Decoder decoder = new Asn1Decoder(); |
| |
| try |
| { |
| decoder.decode( bb, container ); |
| } |
| catch ( DecoderException e ) |
| { |
| LOG.error( I18n.err( I18n.ERR_04172 ), e ); |
| } |
| |
| org.apache.directory.shared.ldap.extras.extended.ads_impl.GracefulDisconnect codec = container |
| .getGracefulDisconnect(); |
| this.delay = codec.getDelay(); |
| this.timeOffline = codec.getTimeOffline(); |
| |
| for ( LdapURL ldapUrl : codec.getReplicatedContexts() ) |
| { |
| replicatedContexts.addLdapUrl( ldapUrl.toString() ); |
| } |
| |
| this.responseValue = new byte[responseValue.length]; |
| System.arraycopy( responseValue, 0, this.responseValue, 0, responseValue.length ); |
| } |
| |
| |
| /** |
| * Gets the OID uniquely identifying this extended response (a.k.a. its |
| * name). |
| * |
| * @return the OID of the extended response type. |
| */ |
| public String getResponseName() |
| { |
| return EXTENSION_OID; |
| } |
| |
| |
| /** |
| * Sets the OID uniquely identifying this extended response (a.k.a. its |
| * name). |
| * |
| * @param oid the OID of the extended response type. |
| */ |
| public void setResponseName( String oid ) |
| { |
| throw new UnsupportedOperationException( I18n.err( I18n.ERR_04168, EXTENSION_OID ) ); |
| } |
| |
| |
| // ----------------------------------------------------------------------- |
| // Parameters of the Extended Response Value |
| // ----------------------------------------------------------------------- |
| |
| /** |
| * Gets the delay before disconnection, in seconds. |
| * |
| * @return the delay before disconnection |
| */ |
| public int getDelay() |
| { |
| return delay; |
| } |
| |
| |
| /** |
| * Sets the delay befor disconnection, in seconds. |
| * |
| * @param delay the new delay before disconnection |
| */ |
| public void setDelay( int delay ) |
| { |
| this.delay = delay; |
| } |
| |
| |
| /** |
| * Gets the offline time after disconnection, in minutes. |
| * |
| * @return the offline time after disconnection |
| */ |
| public int getTimeOffline() |
| { |
| return timeOffline; |
| } |
| |
| |
| /** |
| * Sets the time offline after disconnection, in minutes. |
| * |
| * @param timeOffline the new time offline after disconnection |
| */ |
| public void setTimeOffline( int timeOffline ) |
| { |
| this.timeOffline = timeOffline; |
| } |
| |
| |
| /** |
| * Gets the replicated contexts. |
| * |
| * @return the replicated contexts |
| */ |
| public Referral getReplicatedContexts() |
| { |
| return replicatedContexts; |
| } |
| } |