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SMB2 protocol library for communication with Windows servers

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/*
 * Copyright (C)2016 - SMBJ Contributors
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.hierynomus.mssmb2.messages;

import com.hierynomus.mssmb2.SMB2Dialect;
import com.hierynomus.mssmb2.SMB2FileId;
import com.hierynomus.mssmb2.SMB2MessageCommandCode;
import com.hierynomus.mssmb2.SMB2Packet;
import com.hierynomus.protocol.commons.buffer.Buffer;
import com.hierynomus.smb.SMBBuffer;

/**
 * [MS-SMB2].pdf 2.2.17 SMB2 FLUSH Request / 2.2.18 SMB2 FLUSH Response
 */
public class SMB2Flush extends SMB2Packet {
    private SMB2FileId fileId;

    public SMB2Flush() {
        super();
    }

    public SMB2Flush(SMB2Dialect smbDialect, SMB2FileId fileId, long sessionId, long treeId) {
        super(24, smbDialect, SMB2MessageCommandCode.SMB2_FLUSH, sessionId, treeId);
        this.fileId = fileId;
    }

    @Override
    protected void writeTo(SMBBuffer buffer) {
        buffer.putUInt16(structureSize); // StructureSize (2 bytes)
        buffer.putReserved2(); // Reserved1 (2 bytes)
        buffer.putReserved4(); // Reserved2 (4 bytes)
        fileId.write(buffer);
    }

    @Override
    protected void readMessage(SMBBuffer buffer) throws Buffer.BufferException {
        buffer.readUInt16(); // StructureSize (2 bytes)
        buffer.skip(2); // Reserved (2 bytes)
    }
}