return null;
            }
        } while (this.sbuf[0] == (byte) 0x85); /* Dodge NetBIOS keep-alive */
        /* read smb header */
        if (readn(this.in, this.sbuf, 4, SmbConstants.SMB1_HEADER_LENGTH) < SmbConstants.SMB1_HEADER_LENGTH) {
            return null;
        }

        if (log.isTraceEnabled()) {
            log.trace("New data read: " + this);

import java.util.concurrent.atomic.AtomicLong;

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

import jcifs.Address;
import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.SmbConstants;
import jcifs.SmbTransport;
import jcifs.SmbTransportPool;
import jcifs.util.transport.TransportException;

/**
 * Implementation of the SMB transport pool for managing SMB connections.

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

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.DfsReferralData;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.SmbResourceLocator;
import jcifs.SmbTreeHandle;
import jcifs.internal.CommonServerMessageBlockRequest;
import jcifs.internal.CommonServerMessageBlockResponse;
import jcifs.internal.RequestWithPath;

                            }
                        }
                        server.oemDomainName = new String(buffer, bufferIndex, len, SmbConstants.OEM_ENCODING);
                    }
                } catch (final UnsupportedEncodingException uee) {
                    if (LogStream.level > 1) {
                        uee.printStackTrace(log);

    void testGetDefaultPort() {
        // Act
        int port = handler.getDefaultPort();

        // Assert
        assertEquals(445, port);
        assertEquals(SmbConstants.DEFAULT_PORT, port);
    }

    @Test
    @DisplayName("openConnection creates SmbFile for valid URL")
    void testOpenConnectionWithValidUrl() throws IOException {
        // Arrange - Create URL with handler

            if (id == 0 || ri + len > type2token.length) {
                break;
            }
            if (id == id0) {
                try {
                    return new String(type2token, ri, len, SmbConstants.UNI_ENCODING);
                } catch (final java.io.UnsupportedEncodingException uee) {
                    break;
                }
            }
            ri += len;
        }

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

import jcifs.CIFSContext;
import jcifs.CIFSException;
import jcifs.Configuration;
import jcifs.DialectVersion;
import jcifs.RuntimeCIFSException;
import jcifs.SmbConstants;
import jcifs.SmbSession;
import jcifs.internal.CommonServerMessageBlock;
import jcifs.internal.CommonServerMessageBlockRequest;
import jcifs.internal.CommonServerMessageBlockResponse;

                 *   \server\share\path\to\file
                 * as opposed to normally
                 *   \path\to\file
                 */
                request.flags2 = SmbConstants.FLAGS2_RESOLVE_PATHS_IN_DFS;
                request.path = '\\' + session.transport().tconHostName + '\\' + share + request.path;
            }
            try {
                session.send(request, response);

import org.junit.jupiter.api.DisplayName;
import org.junit.jupiter.api.Test;
import org.mockito.Mock;
import org.mockito.MockitoAnnotations;

import jcifs.Configuration;
import jcifs.SmbConstants;
import jcifs.internal.SMBProtocolDecodingException;
import jcifs.internal.util.SMBUtil;
import jcifs.util.Strings;

/**
 * Test class for FileBothDirectoryInfo
 */
class FileBothDirectoryInfoTest {

                 */

                if (len > 0 && src[srcIndex + len - 1] == '\0') {
                    len--;
                }
                str = new String(src, srcIndex, len, SmbConstants.OEM_ENCODING);
            }
        } catch (final UnsupportedEncodingException uee) {
            if (LogStream.level > 1) {
                uee.printStackTrace(log);
            }
        }