import jcifs.internal.smb2.rdma.RdmaNegotiateResponse;

/**
 * TCP-based RDMA connection implementation.
 *
 * Uses regular TCP sockets to simulate RDMA operations.
 * This provides a fallback when real RDMA hardware is not available.
 */
public class TcpRdmaConnection extends RdmaConnection {

    private static final Logger log = LoggerFactory.getLogger(TcpRdmaConnection.class);

                log.info("RDMA connection established to {}", delegate.getRemoteAddress());
            } catch (IOException e) {
                log.warn("Failed to establish RDMA connection: {}", e.getMessage());
                throw e;
            }
        }
    }

    /**
     * Checks if RDMA connection is available.
     *
     * @return true if RDMA connection is active
     */

 */
package jcifs.internal.smb2.rdma;

import java.util.Arrays;
import java.util.List;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import jcifs.Configuration;
import jcifs.internal.smb2.rdma.disni.DisniRdmaProvider;
import jcifs.internal.smb2.rdma.tcp.TcpRdmaProvider;

/**
 * Factory for creating RDMA provider instances.
 *

import jcifs.internal.smb2.rdma.RdmaProvider;

/**
 * DiSNI RDMA provider for InfiniBand/RoCE networks.
 *
 * This provider uses the DiSNI (Direct Storage and Networking Interface)
 * library to provide high-performance RDMA operations over InfiniBand
 * and RoCE (RDMA over Converged Ethernet) networks.
 */
public class DisniRdmaProvider implements RdmaProvider {

    /**
     * Creates a new DiSNI RDMA provider instance
     */

    /**
     * Check if RDMA is available on this system
     *
     * @return true if RDMA can be used, false otherwise
     */
    boolean isAvailable();

    /**
     * Get supported RDMA capabilities
     *
     * @return set of capabilities supported by this provider
     */
    Set<RdmaCapability> getSupportedCapabilities();

    /**
     * Create RDMA connection to remote endpoint
     *

        } else {
            throw new IllegalArgumentException("Only direct ByteBuffers are supported for RDMA");
        }
    }

    /**
     * Convert RDMA access flags to DiSNI flags
     *
     * @param access RDMA access flags
     * @return DiSNI access flags
     */
    @SuppressWarnings("unused")
    private int convertAccessFlags(EnumSet<RdmaAccess> access) {

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.rdma;

import java.nio.ByteBuffer;
import java.util.EnumSet;

/**
 * Abstract base class for RDMA memory regions.
 *
 * Represents a registered memory region that can be used for
 * RDMA operations. The memory region contains a buffer, access
 * permissions, and keys for local and remote access.
 */

 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
package jcifs.internal.smb2.rdma;

/**
 * Represents a work request for RDMA operations.
 *
 * Work requests are used to track pending RDMA operations
 * and their completion status.
 */
public class RdmaWorkRequest {

    /**
     * Type of RDMA work request
     */
    public enum RequestType {
        /** Send operation */
        SEND,

import java.util.Set;

import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;

import jcifs.internal.smb2.rdma.RdmaAccess;
import jcifs.internal.smb2.rdma.RdmaCapability;
import jcifs.internal.smb2.rdma.RdmaConnection;
import jcifs.internal.smb2.rdma.RdmaMemoryRegion;

/**
 * Unit tests for TCP RDMA provider
 */
public class TcpRdmaProviderTest {

    private TcpRdmaProvider provider;

    @BeforeEach

/**
 * SMB2 RDMA Transform Capabilities negotiate context.
 *
 * This context is used during SMB2 negotiation to indicate RDMA transform
 * capabilities when SMB Direct is supported by the client and server.
 */
public class Smb2RdmaTransformCapabilitiesContext implements NegotiateContextRequest, NegotiateContextResponse {

    // Context type
    /** Context ID for RDMA transform capabilities */