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/*
* Copyright 2008-2017 UnboundID Corp.
* All Rights Reserved.
*/
/*
* Copyright (C) 2015-2017 UnboundID Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.ldap.sdk.unboundidds.monitors;
import java.util.Collections;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.unboundid.ldap.sdk.Entry;
import com.unboundid.util.NotMutable;
import com.unboundid.util.ThreadSafety;
import com.unboundid.util.ThreadSafetyLevel;
import static com.unboundid.ldap.sdk.unboundidds.monitors.MonitorMessages.*;
/**
* This class defines a monitor entry that provides general information about
* the state of the Directory Server. The general monitor entry is the
* top-level monitor entry that is generated by the monitor backend and is the
* parent of all monitor entries generated by the registered monitor providers.
*
*
* NOTE: This class is part of the Commercial Edition of the UnboundID
* LDAP SDK for Java. It is not available for use in applications that
* include only the Standard Edition of the LDAP SDK, and is not supported for
* use in conjunction with non-UnboundID products.
*
*
* Information that may be included in the general monitor entry includes:
*
*
The number of connections currently established to the server.
*
The maximum number of connections that have been established at any one
* time.
*
The total number of connections established to the server since
* startup.
*
The time that the directory server was started.
*
The current time on the server.
*
The length of time in milliseconds that the server has been
* online.
*
A user-friendly string that describes the length of time that the
* server has been online.
*
The name of the directory server product.
*
The name of the vendor that provides the directory server.
*
The server version string.
*
The DNs of the configuration entries for any third-party extensions
* loaded in the server.
*
* The server should present at most one general monitor entry. It can be
* retrieved using the {@link MonitorManager#getGeneralMonitorEntry} method.
* This entry provides specific methods for accessing information about the
* server (e.g., the
* {@link GeneralMonitorEntry#getCurrentConnections} method can be used
* to retrieve the number of connections currently established). Alternately,
* this information may be accessed using the generic API. See the
* {@link MonitorManager} class documentation for an example that demonstrates
* the use of the generic API for accessing monitor data.
*/
@NotMutable()
@ThreadSafety(level=ThreadSafetyLevel.COMPLETELY_THREADSAFE)
public final class GeneralMonitorEntry
extends MonitorEntry
{
/**
* The structural object class used in general monitor entries.
*/
static final String GENERAL_MONITOR_OC = "ds-general-monitor-entry";
/**
* The name of the attribute that contains the number of connections currently
* established to the server.
*/
private static final String ATTR_CURRENT_CONNECTIONS = "currentConnections";
/**
* The name of the attribute that contains the Directory Server's current
* time.
*/
private static final String ATTR_CURRENT_TIME = "currentTime";
/**
* The name of the attribute that contains the names of any alert types that
* have caused the server to be classified as "degraded".
*/
private static final String ATTR_DEGRADED_ALERT_TYPE =
"degraded-alert-type";
/**
* The name of the attribute that contains the server instance name.
*/
private static final String ATTR_INSTANCE_NAME = "instanceName";
/**
* The name of the attribute that contains the maximum number of concurrent
* client connections established since startup.
*/
private static final String ATTR_MAX_CONNECTIONS = "maxConnections";
/**
* The name of the attribute that contains the Directory Server product name.
*/
private static final String ATTR_PRODUCT_NAME = "productName";
/**
* The name of the attribute that contains the Directory Server start time.
*/
private static final String ATTR_START_TIME = "startTime";
/**
* The name of the attribute that contains the Directory Server startup ID.
*/
private static final String ATTR_STARTUP_ID = "startupID";
/**
* The name of the attribute that contains the Directory Server startup UUID.
*/
private static final String ATTR_STARTUP_UUID = "startupUUID";
/**
* The name of the attribute that holds the DNs of the configuration entries
* for any third-party extensions loaded in the server.
*/
private static final String ATTR_THIRD_PARTY_EXTENSION_DN =
"thirdPartyExtensionDN";
/**
* The name of the attribute that contains the total number of connections
* that have been established since startup.
*/
private static final String ATTR_TOTAL_CONNECTIONS = "totalConnections";
/**
* The name of the attribute that contains the Directory Server's uptime.
*/
private static final String ATTR_UP_TIME = "upTime";
/**
* The name of the attribute that contains the Directory Server vendor name.
*/
private static final String ATTR_VENDOR_NAME = "productVendor";
/**
* The name of the attribute that contains the Directory Server version
* string.
*/
private static final String ATTR_VERSION = "productVersion";
/**
* The name of the attribute that contains the names of any alert types that
* have caused the server to be classified as "unavailable".
*/
private static final String ATTR_UNAVAILABLE_ALERT_TYPE =
"unavailable-alert-type";
/**
* The serial version UID for this serializable class.
*/
private static final long serialVersionUID = 4262569940859462743L;
// The server's current time.
private final Date currentTime;
// The server's start time.
private final Date startTime;
// The names of the alert types that have caused the server to be classified
// as "degraded".
private final List degradedAlertTypes;
// The DNs of the config entries for any third-party extensions loaded in the
// server.
private final List thirdPartyExtensionDNs;
// The names of the alert types that have caused the server to be classified
// as "unavailable".
private final List unavailableAlertTypes;
// The number connections currently established.
private final Long currentConnections;
// The maximum number connections established at any time since startup.
private final Long maxConnections;
// The total number of connections that have been established since startup.
private final Long totalConnections;
// The Directory Server instance name.
private final String instanceName;
// The Directory Server product name.
private final String productName;
// The Directory Server startup ID.
private final String startupID;
// The Directory Server startup UUID.
private final String startupUUID;
// The string representation of the uptime.
private final String uptime;
// The Directory Server vendor name.
private final String vendorName;
// The Directory Server version string.
private final String versionString;
/**
* Creates a new general monitor entry from the provided entry.
*
* @param entry The entry to be parsed as a general monitor entry. It must
* not be {@code null}.
*/
public GeneralMonitorEntry(final Entry entry)
{
super(entry);
currentConnections = getLong(ATTR_CURRENT_CONNECTIONS);
currentTime = getDate(ATTR_CURRENT_TIME);
maxConnections = getLong(ATTR_MAX_CONNECTIONS);
productName = getString(ATTR_PRODUCT_NAME);
startTime = getDate(ATTR_START_TIME);
instanceName = getString(ATTR_INSTANCE_NAME);
startupID = getString(ATTR_STARTUP_ID);
startupUUID = getString(ATTR_STARTUP_UUID);
totalConnections = getLong(ATTR_TOTAL_CONNECTIONS);
uptime = getString(ATTR_UP_TIME);
vendorName = getString(ATTR_VENDOR_NAME);
versionString = getString(ATTR_VERSION);
degradedAlertTypes = getStrings(ATTR_DEGRADED_ALERT_TYPE);
unavailableAlertTypes = getStrings(ATTR_UNAVAILABLE_ALERT_TYPE);
thirdPartyExtensionDNs = getStrings(ATTR_THIRD_PARTY_EXTENSION_DN);
}
/**
* Retrieves the number of connections currently established.
*
* @return The number of connections currently established, or {@code null}
* if it was not included in the monitor entry.
*/
public Long getCurrentConnections()
{
return currentConnections;
}
/**
* Retrieves the maximum number of concurrent connections established at any
* time since startup.
*
* @return The maximum number of concurrent connections established at any
* time since startup, or {@code null} if it was not included in the
* monitor entry.
*/
public Long getMaxConnections()
{
return maxConnections;
}
/**
* Retrieves the total number of connections established since startup.
*
* @return The total number of connections established since startup, or
* {@code null} if it was not included in the monitor entry.
*/
public Long getTotalConnections()
{
return totalConnections;
}
/**
* Retrieves the current time as reported by the Directory Server.
*
* @return The current time as reported by the Directory Server, or
* {@code null} if it was not included in the monitor entry.
*/
public Date getCurrentTime()
{
return currentTime;
}
/**
* Retrieves the time that the Directory Server was started.
*
* @return The time that the Directory Server was started, or {@code null} if
* it was not included in the monitor entry.
*/
public Date getStartTime()
{
return startTime;
}
/**
* Retrieves the name assigned to the Directory Server instance.
*
* @return The name assigned to the Directory Server instance, or
* {@code null} if it was not included in the monitor entry.
*/
public String getInstanceName()
{
return instanceName;
}
/**
* Retrieves a relatively compact identifier generated at the time the
* Directory Server was started.
*
* @return A relatively compact identifier generated at the time the
* Directory Server was started, or {@code null} if it was not
* included in the monitor entry.
*/
public String getStartupID()
{
return startupID;
}
/**
* Retrieves the UUID that was generated when the Directory Server was
* started.
*
* @return The UUID that was generated when the Directory Server was started,
* or {@code null} if it was not included in the monitor entry.
*/
public String getStartupUUID()
{
return startupUUID;
}
/**
* Retrieves the Directory Server uptime in milliseconds.
*
* @return The Directory Server uptime in milliseconds, or {@code null} if
* either the current time or the start time was not available.
*/
public Long getUptimeMillis()
{
if ((currentTime == null) || (startTime == null))
{
return null;
}
return currentTime.getTime() - startTime.getTime();
}
/**
* Retrieves the human-readable string representation of the Directory Server
* uptime.
*
* @return The human-readable string representation of the Directory Server
* uptime, or {@code null} if it was not included in the monitor
* entry.
*/
public String getUptimeString()
{
return uptime;
}
/**
* Retrieves the Directory Server product name.
*
* @return The Directory Serve product name, or {@code null} if it was not
* included in the monitor entry.
*/
public String getProductName()
{
return productName;
}
/**
* Retrieves the Directory Server vendor name string.
*
* @return The Directory Server vendor name string, or {@code null} if it
* was not included in the monitor entry.
*/
public String getVendorName()
{
return vendorName;
}
/**
* Retrieves the Directory Server version string.
*
* @return The Directory Server version string, or {@code null} if it was not
* included in the monitor entry.
*/
public String getVersionString()
{
return versionString;
}
/**
* Retrieves the names of any alert types which may have caused the server to
* be currently classified as "degraded".
*
* @return The names of any alert types which may have caused the server to
* be currently classified as "degraded", or an empty list if it was
* not included in the monitor entry (which likely indicates that the
* server is not classified as "degraded").
*/
public List getDegradedAlertTypes()
{
return degradedAlertTypes;
}
/**
* Retrieves the names of any alert types which may have caused the server to
* be currently classified as "unavailable".
*
* @return The names of any alert types which may have caused the server to
* be currently classified as "unavailable", or an empty list if it
* was not included in the monitor entry (which likely indicates that
* the server is not classified as "unavailable").
*/
public List getUnavailableAlertTypes()
{
return unavailableAlertTypes;
}
/**
* Retrieves the DNs of the configuration entries for any third-party
* extensions currently loaded in the server.
*
* @return The DNs of the configuration entries for any third-party
* extensions currently loaded in the server, or an empty list if it
* was not included in the monitor entry.
*/
public List getThirdPartyExtensionDNs()
{
return thirdPartyExtensionDNs;
}
/**
* {@inheritDoc}
*/
@Override()
public String getMonitorDisplayName()
{
return INFO_GENERAL_MONITOR_DISPNAME.get();
}
/**
* {@inheritDoc}
*/
@Override()
public String getMonitorDescription()
{
return INFO_GENERAL_MONITOR_DESC.get();
}
/**
* {@inheritDoc}
*/
@Override()
public Map getMonitorAttributes()
{
final LinkedHashMap attrs =
new LinkedHashMap();
if (productName != null)
{
addMonitorAttribute(attrs,
ATTR_PRODUCT_NAME,
INFO_GENERAL_DISPNAME_PRODUCT_NAME.get(),
INFO_GENERAL_DESC_PRODUCT_NAME.get(),
productName);
}
if (vendorName != null)
{
addMonitorAttribute(attrs,
ATTR_VENDOR_NAME,
INFO_GENERAL_DISPNAME_VENDOR_NAME.get(),
INFO_GENERAL_DESC_VENDOR_NAME.get(),
vendorName);
}
if (versionString != null)
{
addMonitorAttribute(attrs,
ATTR_VERSION,
INFO_GENERAL_DISPNAME_VERSION.get(),
INFO_GENERAL_DESC_VERSION.get(),
versionString);
}
if (instanceName != null)
{
addMonitorAttribute(attrs,
ATTR_INSTANCE_NAME,
INFO_GENERAL_DISPNAME_INSTANCE_NAME.get(),
INFO_GENERAL_DESC_INSTANCE_NAME.get(),
instanceName);
}
if (startTime != null)
{
addMonitorAttribute(attrs,
ATTR_START_TIME,
INFO_GENERAL_DISPNAME_START_TIME.get(),
INFO_GENERAL_DESC_START_TIME.get(),
startTime);
}
if (startupID != null)
{
addMonitorAttribute(attrs,
ATTR_STARTUP_ID,
INFO_GENERAL_DISPNAME_STARTUP_ID.get(),
INFO_GENERAL_DESC_STARTUP_ID.get(),
startupID);
}
if (startupUUID != null)
{
addMonitorAttribute(attrs,
ATTR_STARTUP_UUID,
INFO_GENERAL_DISPNAME_STARTUP_UUID.get(),
INFO_GENERAL_DESC_STARTUP_UUID.get(),
startupUUID);
}
if (currentTime != null)
{
addMonitorAttribute(attrs,
ATTR_CURRENT_TIME,
INFO_GENERAL_DISPNAME_CURRENT_TIME.get(),
INFO_GENERAL_DESC_CURRENT_TIME.get(),
currentTime);
}
if (uptime != null)
{
addMonitorAttribute(attrs,
ATTR_UP_TIME,
INFO_GENERAL_DISPNAME_UPTIME.get(),
INFO_GENERAL_DESC_UPTIME.get(),
uptime);
}
if ((startTime != null) && (currentTime != null))
{
addMonitorAttribute(attrs,
"upTimeMillis",
INFO_GENERAL_DISPNAME_UPTIME_MILLIS.get(),
INFO_GENERAL_DESC_UPTIME_MILLIS.get(),
Long.valueOf(currentTime.getTime() - startTime.getTime()));
}
if (currentConnections != null)
{
addMonitorAttribute(attrs,
ATTR_CURRENT_CONNECTIONS,
INFO_GENERAL_DISPNAME_CURRENT_CONNECTIONS.get(),
INFO_GENERAL_DESC_CURRENT_CONNECTIONS.get(),
currentConnections);
}
if (maxConnections != null)
{
addMonitorAttribute(attrs,
ATTR_MAX_CONNECTIONS,
INFO_GENERAL_DISPNAME_MAX_CONNECTIONS.get(),
INFO_GENERAL_DESC_MAX_CONNECTIONS.get(),
maxConnections);
}
if (totalConnections != null)
{
addMonitorAttribute(attrs,
ATTR_TOTAL_CONNECTIONS,
INFO_GENERAL_DISPNAME_TOTAL_CONNECTIONS.get(),
INFO_GENERAL_DESC_TOTAL_CONNECTIONS.get(),
totalConnections);
}
if (! degradedAlertTypes.isEmpty())
{
addMonitorAttribute(attrs,
ATTR_DEGRADED_ALERT_TYPE,
INFO_GENERAL_DISPNAME_DEGRADED_ALERT_TYPE.get(),
INFO_GENERAL_DESC_DEGRADED_ALERT_TYPE.get(),
degradedAlertTypes);
}
if (! unavailableAlertTypes.isEmpty())
{
addMonitorAttribute(attrs,
ATTR_UNAVAILABLE_ALERT_TYPE,
INFO_GENERAL_DISPNAME_UNAVAILABLE_ALERT_TYPE.get(),
INFO_GENERAL_DESC_UNAVAILABLE_ALERT_TYPE.get(),
unavailableAlertTypes);
}
if (! thirdPartyExtensionDNs.isEmpty())
{
addMonitorAttribute(attrs,
ATTR_THIRD_PARTY_EXTENSION_DN,
INFO_GENERAL_DISPNAME_THIRD_PARTY_EXTENSION_DN.get(),
INFO_GENERAL_DESC_THIRD_PARTY_EXTENSION_DN.get(),
thirdPartyExtensionDNs);
}
return Collections.unmodifiableMap(attrs);
}
}
