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*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at
* docs/licenses/cddl.txt
* or http://www.opensource.org/licenses/cddl1.php.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at
* docs/licenses/cddl.txt. If applicable,
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* Copyright 2010-2019 Ping Identity Corporation
*/
package com.unboundid.directory.sdk.examples;
import java.io.File;
import java.io.FileWriter;
import java.io.PrintWriter;
import java.net.InetAddress;
import java.security.cert.Certificate;
import java.security.cert.X509Certificate;
import java.util.Arrays;
import java.util.Collection;
import java.util.Date;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.security.auth.x500.X500Principal;
import com.unboundid.directory.sdk.common.api.AccessLogger;
import com.unboundid.directory.sdk.common.api.DiskSpaceConsumer;
import com.unboundid.directory.sdk.common.config.AccessLoggerConfig;
import com.unboundid.directory.sdk.common.operation.AbandonRequest;
import com.unboundid.directory.sdk.common.operation.AddRequest;
import com.unboundid.directory.sdk.common.operation.AddResult;
import com.unboundid.directory.sdk.common.operation.BindResult;
import com.unboundid.directory.sdk.common.operation.CompareRequest;
import com.unboundid.directory.sdk.common.operation.CompareResult;
import com.unboundid.directory.sdk.common.operation.DeleteRequest;
import com.unboundid.directory.sdk.common.operation.DeleteResult;
import com.unboundid.directory.sdk.common.operation.ExtendedRequest;
import com.unboundid.directory.sdk.common.operation.ExtendedResult;
import com.unboundid.directory.sdk.common.operation.GenericResult;
import com.unboundid.directory.sdk.common.operation.ModifyRequest;
import com.unboundid.directory.sdk.common.operation.ModifyResult;
import com.unboundid.directory.sdk.common.operation.ModifyDNRequest;
import com.unboundid.directory.sdk.common.operation.ModifyDNResult;
import com.unboundid.directory.sdk.common.operation.SASLBindRequest;
import com.unboundid.directory.sdk.common.operation.SearchRequest;
import com.unboundid.directory.sdk.common.operation.SearchResult;
import com.unboundid.directory.sdk.common.operation.SimpleBindRequest;
import com.unboundid.directory.sdk.common.operation.UnbindRequest;
import com.unboundid.directory.sdk.common.types.AssuredReplicationRequirements;
import com.unboundid.directory.sdk.common.types.AssuredReplicationResult;
import com.unboundid.directory.sdk.common.types.ClientContext;
import com.unboundid.directory.sdk.common.types.CompletedOperationContext;
import com.unboundid.directory.sdk.common.types.CompletedSearchOperationContext;
import com.unboundid.directory.sdk.common.types.DisconnectReason;
import com.unboundid.directory.sdk.common.types.Entry;
import com.unboundid.directory.sdk.common.types.ForwardTarget;
import com.unboundid.directory.sdk.common.types.OperationContext;
import com.unboundid.directory.sdk.common.types.RegisteredDiskSpaceConsumer;
import com.unboundid.directory.sdk.common.types.ServerContext;
import com.unboundid.ldap.sdk.Control;
import com.unboundid.ldap.sdk.IntermediateResponse;
import com.unboundid.ldap.sdk.LDAPException;
import com.unboundid.ldap.sdk.ResultCode;
import com.unboundid.ldap.sdk.unboundidds.controls.
AssuredReplicationServerResult;
import com.unboundid.util.StaticUtils;
import com.unboundid.util.args.ArgumentException;
import com.unboundid.util.args.ArgumentParser;
import com.unboundid.util.args.FileArgument;
/**
* This class provides a simple example of an access logger that will append a
* message to a specified file for any type of client communication. It takes
* a single configuration argument:
* <UL>
* <LI>log-file -- The path to the log file that will be written. This must
* be provided.</LI>
* </UL>
*/
public final class ExampleAccessLogger
extends AccessLogger
implements DiskSpaceConsumer
{
/**
* The name of the argument that will be used for the argument used to specify
* the path to the log file.
*/
private static final String ARG_NAME_LOG_FILE = "log-file";
// The current general configuration for this access logger.
private volatile AccessLoggerConfig config;
// The path to the log file to be written.
private volatile File logFile;
// The lock that will be used to synchronize logging activity.
private final Object loggerLock;
// The print writer that will be used to actually write the log messages.
private volatile PrintWriter writer;
// The registered disk space consumer for this logger.
private volatile RegisteredDiskSpaceConsumer registeredConsumer;
// The server context for the server in which this extension is running.
private ServerContext serverContext;
/**
* Creates a new instance of this access logger. All access logger
* implementations must include a default constructor, but any initialization
* should generally be done in the {@code initializeAccessLogger} method.
*/
public ExampleAccessLogger()
{
loggerLock = new Object();
}
/**
* Retrieves a human-readable name for this extension.
*
* @return A human-readable name for this extension.
*/
@Override()
public String getExtensionName()
{
return "Example Access Logger";
}
/**
* Retrieves a human-readable description for this extension. Each element
* of the array that is returned will be considered a separate paragraph in
* generated documentation.
*
* @return A human-readable description for this extension, or {@code null}
* or an empty array if no description should be available.
*/
@Override()
public String[] getExtensionDescription()
{
return new String[]
{
"This access logger serves an example that may be used to demonstrate " +
"the process for creating a third-party access logger. It will " +
"write a line to a specified file for each kind of interaction " +
"with the client.",
"For simplicity, this example logger does not take care of all tasks " +
"that would be necessary for production use. For example, it " +
"does not include any rotation or retention functionality, so the " +
"file will grow without bounds. Further, while it is threadsafe, " +
"it does so using simple Java synchronized blocks which is a " +
"simple way to achieve the necessary safety, but does not " +
"necessarily allow for the highest performance or concurrency.",
"Because this access logger writes to disk, it also serves as an " +
"example of a disk space consumer so that the server may track " +
"available space on the disk containing the log file and " +
"potentially warn administrators if usable space becomes too low."
};
}
/**
* Updates the provided argument parser to define any configuration arguments
* which may be used by this access logger. The argument parser may also
* be updated to define relationships between arguments (e.g., to specify
* required, exclusive, or dependent argument sets).
*
* @param parser The argument parser to be updated with the configuration
* arguments which may be used by this access logger.
*
* @throws ArgumentException If a problem is encountered while updating the
* provided argument parser.
*/
@Override()
public void defineConfigArguments(final ArgumentParser parser)
throws ArgumentException
{
// Add an argument that allows you to specify the path to the log file.
Character shortIdentifier = null;
String longIdentifier = ARG_NAME_LOG_FILE;
boolean required = true;
int maxOccurrences = 1;
String placeholder = "{path}";
String description = "The path to the log file to be written. " +
"Non-absolute paths will be treated as relative to the server root.";
boolean fileMustExist = false;
boolean parentMustExist = true;
boolean mustBeFile = true;
boolean mustBeDirectory = false;
parser.addArgument(new FileArgument(shortIdentifier, longIdentifier,
required, maxOccurrences, placeholder, description, fileMustExist,
parentMustExist, mustBeFile, mustBeDirectory));
}
/**
* Initializes this access logger.
*
* @param serverContext A handle to the server context for the server in
* which this extension is running.
* @param config The general configuration for this access logger.
* @param parser The argument parser which has been initialized from
* the configuration for this access logger.
*
* @throws LDAPException If a problem occurs while initializing this access
* logger.
*/
@Override()
public void initializeAccessLogger(final ServerContext serverContext,
final AccessLoggerConfig config,
final ArgumentParser parser)
throws LDAPException
{
this.serverContext = serverContext;
this.config = config;
// Create the logger and open the log file.
try
{
final FileArgument arg =
(FileArgument) parser.getNamedArgument(ARG_NAME_LOG_FILE);
logFile = arg.getValue();
writer = new PrintWriter(new FileWriter(logFile, true));
}
catch (final Exception e)
{
serverContext.debugCaught(e);
throw new LDAPException(ResultCode.OTHER,
"Unable to open file " + logFile.getAbsolutePath() +
" for writing: " + StaticUtils.getExceptionMessage(e),
e);
}
// Register as a disk space consumer since the log file may potentially
// consume a significant amount of disk space.
registeredConsumer = serverContext.registerDiskSpaceConsumer(this);
}
/**
* Indicates whether the configuration contained in the provided argument
* parser represents a valid configuration for this extension.
*
* @param config The general configuration for this access
* logger.
* @param parser The argument parser which has been initialized
* with the proposed configuration.
* @param unacceptableReasons A list that can be updated with reasons that
* the proposed configuration is not acceptable.
*
* @return {@code true} if the proposed configuration is acceptable, or
* {@code false} if not.
*/
@Override()
public boolean isConfigurationAcceptable(final AccessLoggerConfig config,
final ArgumentParser parser,
final List<String> unacceptableReasons)
{
// The argument parser will handle all of the necessary validation, so
// we don't need to do anything here.
return true;
}
/**
* Attempts to apply the configuration contained in the provided argument
* parser.
*
* @param config The general configuration for this access
* logger.
* @param parser The argument parser which has been
* initialized with the new configuration.
* @param adminActionsRequired A list that can be updated with information
* about any administrative actions that may be
* required before one or more of the
* configuration changes will be applied.
* @param messages A list that can be updated with information
* about the result of applying the new
* configuration.
*
* @return A result code that provides information about the result of
* attempting to apply the configuration change.
*/
@Override()
public ResultCode applyConfiguration(final AccessLoggerConfig config,
final ArgumentParser parser,
final List<String> adminActionsRequired,
final List<String> messages)
{
this.config = config;
// Get the path to the log file from the new config.
final FileArgument arg =
(FileArgument) parser.getNamedArgument(ARG_NAME_LOG_FILE);
final File newFile = arg.getValue();
// If the log file path hasn't changed, then we don't need to do anything.
if (newFile.equals(logFile))
{
return ResultCode.SUCCESS;
}
// Create a print writer that can be used to write to the new log file.
final PrintWriter newWriter;
try
{
newWriter = new PrintWriter(new FileWriter(newFile, true));
}
catch (final Exception e)
{
serverContext.debugCaught(e);
messages.add("Unable to open new log file " + newFile.getAbsolutePath() +
" for writing: " + StaticUtils.getExceptionMessage(e));
return ResultCode.OTHER;
}
// Swap the new logger into place.
final PrintWriter oldWriter;
synchronized (loggerLock)
{
oldWriter = writer;
writer = newWriter;
logFile = newFile;
}
// Close the old logger and return success.
oldWriter.close();
return ResultCode.SUCCESS;
}
/**
* Performs any cleanup which may be necessary when this access logger is
* to be taken out of service.
*/
@Override()
public void finalizeAccessLogger()
{
synchronized (loggerLock)
{
if (registeredConsumer != null)
{
serverContext.deregisterDiskSpaceConsumer(registeredConsumer);
registeredConsumer = null;
}
writer.close();
writer = null;
logFile = null;
}
}
/**
* Logs a message indicating that a new connection has been established.
*
* @param clientContext Information about the client connection that has
* been accepted.
*/
@Override()
public void logConnect(final ClientContext clientContext)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" CONNECT conn=");
buffer.append(clientContext.getConnectionID());
final InetAddress clientAddress = clientContext.getClientInetAddress();
if (clientAddress != null)
{
buffer.append(" from=\"");
buffer.append(clientAddress.getHostAddress());
buffer.append('"');
}
final InetAddress serverAddress = clientContext.getServerInetAddress();
if (serverAddress != null)
{
buffer.append(" to=");
buffer.append(serverAddress.getHostAddress());
buffer.append('"');
}
buffer.append(" protocol=\"");
buffer.append(clientContext.getProtocol());
buffer.append('"');
write(buffer);
}
/**
* Logs a message indicating that a connection has been closed.
*
* @param clientContext Information about the client connection that has
* been closed.
* @param disconnectReason A general reason that the connection has been
* closed.
* @param message A message with additional information about the
* closure. It may be {@code null} if none is
* available.
*/
@Override()
public void logDisconnect(final ClientContext clientContext,
final DisconnectReason disconnectReason,
final String message)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" DISCONNECT conn=");
buffer.append(clientContext.getConnectionID());
buffer.append(" reason=\"");
buffer.append(disconnectReason.getClosureMessage());
buffer.append('"');
if (message != null)
{
buffer.append(" message=\"");
buffer.append(message);
buffer.append('"');
}
write(buffer);
}
/**
* Logs a message about security negotiation performed by a client.
*
* @param clientContext Information about the client connection on which
* the negotiation was completed.
* @param protocol The security protocol selected by the negotiation.
* It may be {@code null} if no protocol is available.
* @param cipher The cipher suite selected by the negotiation. It
* may be {@code null} if no cipher is available.
* @param properties A set of additional properties that may be included
* in the log message. It may be {@code null} or empty
* if no additional properties are needed.
*/
@Override()
public void logSecurityNegotiation(final ClientContext clientContext,
final String protocol, final String cipher,
final Map<String,String> properties)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" SECURITY-NEGOTIATION conn=");
buffer.append(clientContext.getConnectionID());
if (protocol != null)
{
buffer.append(" protocol=\"");
buffer.append(protocol);
buffer.append('"');
}
if (cipher != null)
{
buffer.append(" cipher=\"");
buffer.append(cipher);
buffer.append('"');
}
if ((properties != null) && (! properties.isEmpty()))
{
for (final Map.Entry<String,String> e : properties.entrySet())
{
buffer.append(e.getKey());
buffer.append("=\"");
buffer.append(e.getValue());
buffer.append('"');
}
}
write(buffer);
}
/**
* Logs a message about a certificate chain presented by a client.
*
* @param clientContext Information about the client that presented the
* certificate chain.
* @param certChain The certificate chain presented by the client.
* @param authDN The DN of the user as whom the client was
* automatically authenticated, or {@code null} if the
* client was not automatically authenticated.
*/
@Override()
public void logClientCertificateChain(final ClientContext clientContext,
final Certificate[] certChain,
final String authDN)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" CERTIFICATE conn=");
buffer.append(clientContext.getConnectionID());
if (certChain.length > 0)
{
final Certificate cert = certChain[0];
if (cert instanceof X509Certificate)
{
final X509Certificate c = (X509Certificate) cert;
final String subject =
c.getSubjectX500Principal().getName(X500Principal.RFC2253);
buffer.append(" subject=\"");
buffer.append(subject);
buffer.append('"');
}
}
if (authDN != null)
{
buffer.append(" authDN=\"");
buffer.append(authDN);
buffer.append('"');
}
write(buffer);
}
/**
* Logs a message about an abandon request received from a client.
*
* @param opContext The operation context for the abandon operation.
* @param request The abandon request that was received.
*/
@Override()
public void logAbandonRequest(final OperationContext opContext,
final AbandonRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" ABANDON REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" idToAbandon=");
buffer.append(request.getIDToAbandon());
write(buffer);
}
/**
* Logs a message about an abandon request that will be forwarded to another
* server.
*
* @param opContext The operation context for the abandon operation.
* @param request The abandon request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logAbandonForward(final OperationContext opContext,
final AbandonRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about the result of processing an abandon request.
*
* @param opContext The operation context for the abandon operation.
* @param request The abandon request that was received.
* @param result The result of processing the abandon request.
*/
@Override()
public void logAbandonResult(final CompletedOperationContext opContext,
final AbandonRequest request,
final GenericResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about an add request received from a client.
*
* @param opContext The operation context for the add operation.
* @param request The add request that was received.
*/
@Override()
public void logAddRequest(final OperationContext opContext,
final AddRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" ADD REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" dn=\"");
buffer.append(request.getEntry().getDN());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about an add request that will be forwarded to another
* server.
*
* @param opContext The operation context for the add operation.
* @param request The add request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logAddForward(final OperationContext opContext,
final AddRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward an
* add request to another server.
*
* @param opContext The operation context for the add operation.
* @param request The add request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logAddForwardFailure(final OperationContext opContext,
final AddRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing an add request.
*
* @param opContext The operation context for the add operation.
* @param request The add request that was received.
* @param result The result of processing the add request.
*/
@Override()
public void logAddResponse(final CompletedOperationContext opContext,
final AddRequest request,
final AddResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about the result of replication assurance processing for an
* add operation.
*
* @param opContext The operation context for the add operation.
* @param request The add request that was received.
* @param result The result of processing the add request.
* @param assuranceResult The replication assurance processing result.
*/
@Override()
public void logAddAssuranceCompleted(
final CompletedOperationContext opContext,
final AddRequest request, final AddResult result,
final AssuredReplicationResult assuranceResult)
{
writeAssuranceResult(opContext, result.getAssuredReplicationRequirements(),
assuranceResult);
}
/**
* Logs a message about a simple bind request received from a client.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
*/
@Override()
public void logBindRequest(final OperationContext opContext,
final SimpleBindRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" BIND REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" authType=SIMPLE dn=\"");
buffer.append(" dn=\"");
buffer.append(request.getDN());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a simple bind request that will be forwarded to
* another server.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logBindForward(final OperationContext opContext,
final SimpleBindRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* simple bind request to another server.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logBindForwardFailure(final OperationContext opContext,
final SimpleBindRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing a simple bind request.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
* @param result The result of processing the bind request.
*/
@Override()
public void logBindResponse(final CompletedOperationContext opContext,
final SimpleBindRequest request,
final BindResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about a SASL bind request received from a client.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
*/
@Override()
public void logBindRequest(final OperationContext opContext,
final SASLBindRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" BIND REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" authType=SASL mechanism=\"");
buffer.append(request.getSASLMechanism());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a SASL bind request that will be forwarded to
* another server.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logBindForward(final OperationContext opContext,
final SASLBindRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* SASL bind request to another server.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logBindForwardFailure(final OperationContext opContext,
final SASLBindRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing a SASL bind request.
*
* @param opContext The operation context for the bind operation.
* @param request The bind request that was received.
* @param result The result of processing the bind request.
*/
@Override()
public void logBindResponse(final CompletedOperationContext opContext,
final SASLBindRequest request,
final BindResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about a compare request received from a client.
*
* @param opContext The operation context for the compare operation.
* @param request The compare request that was received.
*/
@Override()
public void logCompareRequest(final OperationContext opContext,
final CompareRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" COMPARE REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" dn=\"");
buffer.append(request.getDN());
buffer.append('"');
buffer.append(" dn=\"");
buffer.append(request.getDN());
buffer.append("\" attribute=\"");
buffer.append(request.getAttributeType());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a compare request that will be forwarded to another
* server.
*
* @param opContext The operation context for the compare operation.
* @param request The compare request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logCompareForward(final OperationContext opContext,
final CompareRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* compare request to another server.
*
* @param opContext The operation context for the compare operation.
* @param request The compare request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logCompareForwardFailure(final OperationContext opContext,
final CompareRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing a compare request.
*
* @param opContext The operation context for the compare operation.
* @param request The compare request that was received.
* @param result The result of processing the compare request.
*/
@Override()
public void logCompareResponse(final CompletedOperationContext opContext,
final CompareRequest request,
final CompareResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about a delete request received from a client.
*
* @param opContext The operation context for the delete operation.
* @param request The delete request that was received.
*/
@Override()
public void logDeleteRequest(final OperationContext opContext,
final DeleteRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" DELETE REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" dn=\"");
buffer.append(request.getDN());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a delete request that will be forwarded to another
* server.
*
* @param opContext The operation context for the delete operation.
* @param request The delete request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logDeleteForward(final OperationContext opContext,
final DeleteRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* delete request to another server.
*
* @param opContext The operation context for the delete operation.
* @param request The delete request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logDeleteForwardFailure(final OperationContext opContext,
final DeleteRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing a delete request.
*
* @param opContext The operation context for the delete operation.
* @param request The delete request that was received.
* @param result The result of processing the delete request.
*/
@Override()
public void logDeleteResponse(final CompletedOperationContext opContext,
final DeleteRequest request,
final DeleteResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about the result of replication assurance processing for a
* delete operation.
*
* @param opContext The operation context for the delete operation.
* @param request The delete request that was received.
* @param result The result of processing the delete request.
* @param assuranceResult The replication assurance processing result.
*/
@Override()
public void logDeleteAssuranceCompleted(
final CompletedOperationContext opContext,
final DeleteRequest request, final DeleteResult result,
final AssuredReplicationResult assuranceResult)
{
writeAssuranceResult(opContext, result.getAssuredReplicationRequirements(),
assuranceResult);
}
/**
* Logs a message about an extended request received from a client.
*
* @param opContext The operation context for the extended operation.
* @param request The extended request that was received.
*/
@Override()
public void logExtendedRequest(final OperationContext opContext,
final ExtendedRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" EXTENDED REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" oid=\"");
buffer.append(request.getRequestOID());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about an extended request that will be forwarded to another
* server.
*
* @param opContext The operation context for the extended operation.
* @param request The extended request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logExtendedForward(final OperationContext opContext,
final ExtendedRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward an
* extended request to another server.
*
* @param opContext The operation context for the extended operation.
* @param request The extended request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logExtendedForwardFailure(final OperationContext opContext,
final ExtendedRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing an extended request.
*
* @param opContext The operation context for the extended operation.
* @param request The extended request that was received.
* @param result The result of processing the extended request.
*/
@Override()
public void logExtendedResponse(final CompletedOperationContext opContext,
final ExtendedRequest request,
final ExtendedResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about a modify request received from a client.
*
* @param opContext The operation context for the modify operation.
* @param request The modify request that was received.
*/
@Override()
public void logModifyRequest(final OperationContext opContext,
final ModifyRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" MODIFY REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" dn=\"");
buffer.append(request.getDN());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a modify request that will be forwarded to another
* server.
*
* @param opContext The operation context for the modify operation.
* @param request The modify request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logModifyForward(final OperationContext opContext,
final ModifyRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* modify request to another server.
*
* @param opContext The operation context for the modify operation.
* @param request The modify request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logModifyForwardFailure(final OperationContext opContext,
final ModifyRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing a modify request.
*
* @param opContext The operation context for the modify operation.
* @param request The modify request that was received.
* @param result The result of processing the modify request.
*/
@Override()
public void logModifyResponse(final CompletedOperationContext opContext,
final ModifyRequest request,
final ModifyResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about the result of replication assurance processing for a
* modify operation.
*
* @param opContext The operation context for the modify operation.
* @param request The modify request that was received.
* @param result The result of processing the modify request.
* @param assuranceResult The replication assurance processing result.
*/
@Override()
public void logModifyAssuranceCompleted(
final CompletedOperationContext opContext,
final ModifyRequest request, final ModifyResult result,
final AssuredReplicationResult assuranceResult)
{
writeAssuranceResult(opContext, result.getAssuredReplicationRequirements(),
assuranceResult);
}
/**
* Logs a message about a modify DN request received from a client.
*
* @param opContext The operation context for the modify DN operation.
* @param request The modify DN request that was received.
*/
@Override()
public void logModifyDNRequest(final OperationContext opContext,
final ModifyDNRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" MODIFY_DN REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" dn=\"");
buffer.append(request.getDN());
buffer.append("\" newRDN=\"");
buffer.append(request.getNewRDN());
buffer.append("\" deleteOldRDN=");
buffer.append(request.deleteOldRDN());
final String newSuperior = request.getNewSuperiorDN();
if (newSuperior != null)
{
buffer.append(" newSuperior=\"");
buffer.append(newSuperior);
buffer.append('"');
}
write(buffer);
}
/**
* Logs a message about a modify DN request that will be forwarded to another
* server.
*
* @param opContext The operation context for the modify DN operation.
* @param request The modify DN request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logModifyDNForward(final OperationContext opContext,
final ModifyDNRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* modify DN request to another server.
*
* @param opContext The operation context for the modify DN operation.
* @param request The modify DN request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logModifyDNForwardFailure(final OperationContext opContext,
final ModifyDNRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about the result of processing a modify DN request.
*
* @param opContext The operation context for the modify DN operation.
* @param request The modify DN request that was received.
* @param result The result of processing the modify DN request.
*/
@Override()
public void logModifyDNResponse(final CompletedOperationContext opContext,
final ModifyDNRequest request,
final ModifyDNResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about the result of replication assurance processing for a
* modify DN operation.
*
* @param opContext The operation context for the modify DN operation.
* @param request The modify DN request that was received.
* @param result The result of processing the modify DN request.
* @param assuranceResult The replication assurance processing result.
*/
@Override()
public void logModifyDNAssuranceCompleted(
final CompletedOperationContext opContext,
final ModifyDNRequest request, final ModifyDNResult result,
final AssuredReplicationResult assuranceResult)
{
writeAssuranceResult(opContext, result.getAssuredReplicationRequirements(),
assuranceResult);
}
/**
* Logs a message about a search request received from a client.
*
* @param opContext The operation context for the search operation.
* @param request The search request that was received.
*/
@Override()
public void logSearchRequest(final OperationContext opContext,
final SearchRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" SEARCH REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" base=\"");
buffer.append(request.getBaseDN());
buffer.append("\" scope=");
buffer.append(request.getScope().intValue());
buffer.append(" filter=\"");
buffer.append(request.getFilter().toString());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a search request that will be forwarded to another
* server.
*
* @param opContext The operation context for the search operation.
* @param request The search request that was received.
* @param target Information about the server to which the request will
* be forwarded.
*/
@Override()
public void logSearchForward(final OperationContext opContext,
final SearchRequest request,
final ForwardTarget target)
{
writeForward(opContext, target);
}
/**
* Logs a message about a failure encountered while attempting to forward a
* search request to another server.
*
* @param opContext The operation context for the search operation.
* @param request The search request that was received.
* @param target Information about the server to which the request was
* forwarded.
* @param failure The exception that was received when attempting to
* forward the request.
*/
@Override()
public void logSearchForwardFailure(final OperationContext opContext,
final SearchRequest request,
final ForwardTarget target,
final LDAPException failure)
{
writeForwardFailure(opContext, target, failure);
}
/**
* Logs a message about a search result entry that was returned to the client.
*
* @param opContext The operation context for the search operation.
* @param request The search request that was received.
* @param entry The entry that was returned.
* @param controls The set of controls included with the entry, or an empty
* list if there were none.
*/
@Override()
public void logSearchResultEntry(final OperationContext opContext,
final SearchRequest request,
final Entry entry,
final List<Control> controls)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" SEARCH ENTRY conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" dn=\"");
buffer.append(entry.getDN());
buffer.append('"');
write(buffer);
}
/**
* Logs a message about a search result reference that was returned to the
* client.
*
* @param opContext The operation context for the search operation.
* @param request The search request that was received.
* @param referralURLs The referral URLs for the reference that was
* returned.
* @param controls The set of controls included with the reference, or
* an empty list if there were none.
*/
@Override()
public void logSearchResultReference(final OperationContext opContext,
final SearchRequest request,
final List<String> referralURLs,
final List<Control> controls)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" SEARCH REFERENCE conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" referralURLs={");
final Iterator<String> iterator = referralURLs.iterator();
while (! iterator.hasNext())
{
buffer.append('"');
buffer.append(iterator.next());
buffer.append('"');
if (iterator.hasNext())
{
buffer.append(", ");
}
}
buffer.append('}');
write(buffer);
}
/**
* Logs a message about the result of processing a search request.
*
* @param opContext The operation context for the search operation.
* @param request The search request that was received.
* @param result The result of processing the search request.
*/
@Override()
public void logSearchResultDone(
final CompletedSearchOperationContext opContext,
final SearchRequest request, final SearchResult result)
{
writeResult(opContext, result);
}
/**
* Logs a message about an unbind request received from a client.
*
* @param opContext The operation context for the unbind operation.
* @param request The unbind request that was received.
*/
@Override()
public void logUnbindRequest(final OperationContext opContext,
final UnbindRequest request)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" UNBIND REQUEST conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
write(buffer);
}
/**
* Logs a message about an intermediate response that was returned to the
* client.
*
* @param opContext The operation context for the associated
* operation.
* @param intermediateResponse The intermediate response that was returned.
*/
@Override()
public void logIntermediateResponse(final OperationContext opContext,
final IntermediateResponse intermediateResponse)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(" INTERMEDIATE RESPONSE conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
final String oid = intermediateResponse.getOID();
if (oid != null)
{
buffer.append(" oid=\"");
buffer.append(oid);
buffer.append('"');
}
final String name = intermediateResponse.getIntermediateResponseName();
if ((name != null) && (! name.equals(oid)))
{
buffer.append(" name=\"");
buffer.append(name);
buffer.append('"');
}
final String valueStr = intermediateResponse.valueToString();
if (valueStr != null)
{
buffer.append(" value=\"");
buffer.append(valueStr);
buffer.append('"');
}
write(buffer);
}
/**
* Logs information about an operation to be forwarded.
*
* @param opContext The operation context for the operation.
* @param target The forward target for the operation.
*/
private void writeForward(final OperationContext opContext,
final ForwardTarget target)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(' ');
buffer.append(opContext.getOperationType().getOperationName());
buffer.append(" FORWARD conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" targetAddress=");
buffer.append(target.getForwardTargetAddress());
buffer.append(" targetPort=");
buffer.append(target.getForwardTargetPort());
write(buffer);
}
/**
* Logs information about a failed forward attempt.
*
* @param opContext The operation context for the operation.
* @param target The forward target for the operation.
* @param failure The exception caught when trying to forward the
* operation.
*/
private void writeForwardFailure(final OperationContext opContext,
final ForwardTarget target,
final LDAPException failure)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(' ');
buffer.append(opContext.getOperationType().getOperationName());
buffer.append(" FORWARD FAILURE conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" targetAddress=");
buffer.append(target.getForwardTargetAddress());
buffer.append(" targetPort=");
buffer.append(target.getForwardTargetPort());
buffer.append(" resultCode=");
buffer.append(failure.getResultCode());
final String diagnosticMessage = failure.getDiagnosticMessage();
if (diagnosticMessage != null)
{
buffer.append(" diagnosticMessage=\"");
buffer.append(diagnosticMessage);
buffer.append('"');
}
final String matchedDN = failure.getMatchedDN();
if (matchedDN != null)
{
buffer.append(" matchedDN=\"");
buffer.append(matchedDN);
buffer.append('"');
}
final String[] referralURLs = failure.getReferralURLs();
if ((referralURLs != null) && (referralURLs.length > 0))
{
buffer.append(" referralURLs={");
for (int i=0; i < referralURLs.length; i++)
{
if (i > 0)
{
buffer.append(", ");
}
buffer.append('"');
buffer.append(referralURLs[i]);
buffer.append('"');
}
buffer.append('}');
}
write(buffer);
}
/**
* Logs information about the result of the provided operation.
*
* @param opContext The operation context for the operation.
* @param result The result to be logged.
*/
private void writeResult(final CompletedOperationContext opContext,
final GenericResult result)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(' ');
buffer.append(opContext.getOperationType().getOperationName());
buffer.append(" RESULT conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" resultCode=");
buffer.append(result.getResultCode());
final String diagnosticMessage = result.getDiagnosticMessage();
if (diagnosticMessage != null)
{
buffer.append(" diagnosticMessage=\"");
buffer.append(diagnosticMessage);
buffer.append('"');
}
final String matchedDN = result.getMatchedDN();
if (matchedDN != null)
{
buffer.append(" matchedDN=\"");
buffer.append(matchedDN);
buffer.append('"');
}
final List<String> referralURLs = result.getReferralURLs();
if ((referralURLs != null) && (! referralURLs.isEmpty()))
{
buffer.append(" referralURLs={");
final Iterator<String> iterator = referralURLs.iterator();
while (! iterator.hasNext())
{
buffer.append('"');
buffer.append(iterator.next());
buffer.append('"');
if (iterator.hasNext())
{
buffer.append(", ");
}
}
buffer.append('}');
}
final String additionalMessage = result.getAdditionalLogMessage();
if (additionalMessage != null)
{
buffer.append(" additionalLogMessage=\"");
buffer.append(additionalMessage);
buffer.append('"');
}
buffer.append(" elapsedTimeMillis=");
buffer.append(opContext.getProcessingTimeMillis());
if (opContext instanceof CompletedSearchOperationContext)
{
final CompletedSearchOperationContext c =
(CompletedSearchOperationContext) opContext;
buffer.append(" entriesReturned=");
buffer.append(c.getEntryCount());
buffer.append(" referencesReturned=");
buffer.append(c.getReferenceCount());
}
if (result instanceof ExtendedResult)
{
final ExtendedResult r = (ExtendedResult) result;
final String resultOID = r.getResultOID();
if (resultOID != null)
{
buffer.append(" resultOID=\"");
buffer.append(resultOID);
buffer.append('"');
}
}
write(buffer);
}
/**
* Logs information about the result of assurance processing for the provided
* operation.
*
* @param opContext The operation context for the operation.
* @param assuranceRequirements The assurance requirements for the
* operation.
* @param assuranceResult The assurance result for the operation.
*/
private void writeAssuranceResult(final CompletedOperationContext opContext,
final AssuredReplicationRequirements assuranceRequirements,
final AssuredReplicationResult assuranceResult)
{
final StringBuilder buffer = new StringBuilder();
buffer.append(new Date().toString());
buffer.append(' ');
buffer.append(opContext.getOperationType().getOperationName());
buffer.append(" ASSURANCE-RESULT conn=");
buffer.append(opContext.getConnectionID());
buffer.append(" op=");
buffer.append(opContext.getOperationID());
buffer.append(" localLevel=");
buffer.append(assuranceRequirements.getLocalLevel().name());
buffer.append(" localAssuranceSatisfied=");
buffer.append(assuranceResult.isLocalAssuranceSatisfied());
buffer.append(" remoteLevel=");
buffer.append(assuranceRequirements.getRemoteLevel().name());
buffer.append(" remoteAssuranceSatisfied=");
buffer.append(assuranceResult.isRemoteAssuranceSatisfied());
final Collection<AssuredReplicationServerResult> serverResults =
assuranceResult.getServerResults();
if ((serverResults != null) && (! serverResults.isEmpty()))
{
buffer.append(" serverAssuranceResults='");
final Iterator<AssuredReplicationServerResult> iterator =
serverResults.iterator();
while (iterator.hasNext())
{
iterator.next().toString(buffer);
if (iterator.hasNext())
{
buffer.append(", ");
}
}
buffer.append('\'');
}
write(buffer);
}
/**
* Writes the contents of the provided buffer to the logger.
*
* @param buffer The buffer containing the data to write.
*/
private void write(final StringBuilder buffer)
{
synchronized (loggerLock)
{
if (writer == null)
{
// This should only happen if the logger has been shut down.
return;
}
writer.println(buffer.toString());
}
}
/**
* Retrieves a map containing examples of configurations that may be used for
* this extension. The map key should be a list of sample arguments, and the
* corresponding value should be a description of the behavior that will be
* exhibited by the extension when used with that configuration.
*
* @return A map containing examples of configurations that may be used for
* this extension. It may be {@code null} or empty if there should
* not be any example argument sets.
*/
@Override()
public Map<List<String>,String> getExamplesArgumentSets()
{
final LinkedHashMap<List<String>,String> exampleMap =
new LinkedHashMap<List<String>,String>(1);
exampleMap.put(
Arrays.asList(ARG_NAME_LOG_FILE + "=logs/example-access.log"),
"Write access log messages to the logs/example-access.log file " +
"below the server root.");
return exampleMap;
}
/**
* Retrieves the name that should be used to identify this disk space
* consumer.
*
* @return The name that should be used to identify this disk space consumer.
*/
public String getDiskSpaceConsumerName()
{
return "Example Access Logger " + config.getConfigObjectName();
}
/**
* Retrieves a list of filesystem paths in which this disk space consumer may
* store files which may consume a significant amount of space. It is
* generally recommended that the paths be directories, but they may also be
* individual files.
*
* @return A list of filesystem paths in which this disk space consumer may
* store files which may consume a significant amount of space.
*/
public List<File> getDiskSpaceConsumerPaths()
{
return Arrays.asList(logFile);
}
}
