*/
package jcifs.internal.smb2.persistent;

/**
 * Constants for SMB2/3 durable and persistent handle capabilities.
 */
public final class Smb2HandleCapabilities {

    /**
     * Flag indicating persistent handle capability
     */
    public static final int SMB2_DHANDLE_FLAG_PERSISTENT = 0x00000002;

    /**
     * Default timeout for durable handles (2 minutes)
     */

import jcifs.internal.smb2.create.CreateContextRequest;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Durable Handle V2 Request Create Context (DH2Q)
 *
 * MS-SMB2 Section 2.2.13.2.4
 */
public class DurableHandleV2Request implements CreateContextRequest {

    /**
     * Context name for durable handle V2 request
     */
    public static final String CONTEXT_NAME = "DH2Q";

 */
public enum HandleType {
    /**
     * No durability - standard handle
     */
    NONE(0),

    /**
     * SMB 2.1 durable handle - survives network loss
     */
    DURABLE_V1(1),

    /**
     * SMB 3.0 durable handle V2 - with timeout configuration
     */
    DURABLE_V2(2),

    /**
     * SMB 3.0 persistent handle - survives server reboot
     */
    PERSISTENT(3);

            }
        }
        return false;
    }

    /**
     * Add a durable handle V1 context to this request
     */
    public void addDurableHandleV1Context() {
        addCreateContext(new jcifs.internal.smb2.persistent.DurableHandleRequest());
    }

    /**
     * Add a durable handle V2 context to this request
     * @param timeoutMs the timeout in milliseconds (0 for persistent handles)

 */
package jcifs.internal.smb2.persistent;

import java.io.Serializable;
import java.util.Arrays;

import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**
 * Information about a durable or persistent SMB handle.
 * This class holds all the necessary information to reconnect
 * a handle after network failures or server reboots.
 */
public class HandleInfo implements Serializable {

import jcifs.CIFSContext;
import jcifs.internal.smb2.lease.Smb2LeaseKey;

/**
 * Manager for persistent and durable SMB handles.
 *
 * This class provides:
 * - Handle lifecycle management
 * - Persistent storage for persistent handles
 * - Expiration tracking for durable handles
 * - Thread-safe access to handle information
 */
public class PersistentHandleManager {

import jcifs.internal.smb2.create.CreateContextRequest;
import jcifs.internal.util.SMBUtil;

/**
 * SMB2 Durable Handle Reconnect Create Context (DHnC)
 *
 * MS-SMB2 Section 2.2.13.2.5
 */
public class DurableHandleReconnect implements CreateContextRequest {

    /**
     * Context name for durable handle reconnect
     */
    public static final String CONTEXT_NAME = "DHnC";

	ExchangeType      string      `json:"exchangeType"`
	DeliveryMode      uint8       `json:"deliveryMode"`
	Mandatory         bool        `json:"mandatory"`
	Immediate         bool        `json:"immediate"`
	Durable           bool        `json:"durable"`
	Internal          bool        `json:"internal"`
	NoWait            bool        `json:"noWait"`
	AutoDeleted       bool        `json:"autoDeleted"`
	PublisherConfirms bool        `json:"publisherConfirms"`

            String[] contextNames = { "DHnQ", // Durable handle request
                    "DHnC", // Durable handle reconnect
                    "AlSi", // Allocation size
                    "MxAc", // Max access
                    "TWrp", // Timewarp
                    "QFid", // Query on disk ID
                    "RqLs", // Request lease
                    "DH2Q", // Durable handle request V2

├── PersistentHandleManager.java     - Handle persistence management
├── DurableHandleRequest.java        - Durable handle v1 support
├── DurableHandleV2Request.java      - Durable handle v2 with timeout
└── HandleReconnector.java           - Automatic handle reconnection
```

#### 2.2 Implementation Tasks
- [ ] Implement persistent/durable handle contexts
- [ ] Add handle GUID generation and tracking
- [ ] Implement handle state serialization