Android Open Source - USBIPServerForAndroid Usb Ip Submit Urb

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Back to project page USBIPServerForAndroid.

License

The source code is released under:

GNU General Public License

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Java Source Code

package org.cgutman.usbip.server.protocol.dev;
/*from  w w w.j a  v a  2s .co m*/
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.nio.ByteOrder;

import org.cgutman.usbip.utils.StreamUtils;

public class UsbIpSubmitUrb extends UsbIpDevicePacket {  
  public int transferFlags;
  public int transferBufferLength;
  public int startFrame;
  public int numberOfPackets;
  public int interval;
  public byte[] setup;
  
  public static final int WIRE_SIZE =
      20 + 8;
  
  public byte[] outData;
  
  public UsbIpSubmitUrb(byte[] header) {
    super(header);
  }
  
  public static UsbIpSubmitUrb read(byte[] header, InputStream in) throws IOException {
    UsbIpSubmitUrb msg = new UsbIpSubmitUrb(header);
    
    byte[] continuationHeader = new byte[WIRE_SIZE];
    StreamUtils.readAll(in, continuationHeader);

    ByteBuffer bb = ByteBuffer.wrap(continuationHeader).order(ByteOrder.BIG_ENDIAN);
    msg.transferFlags = bb.getInt();
    msg.transferBufferLength = bb.getInt();
    msg.startFrame = bb.getInt();
    msg.numberOfPackets = bb.getInt();
    msg.interval = bb.getInt();
    
    msg.setup = new byte[8];
    bb.get(msg.setup);
    
    // Finish reading the remaining bytes of the header as padding
    while (bb.position() < UsbIpDevicePacket.USBIP_HEADER_SIZE - header.length) {
      in.read();
      bb.position(bb.position()+1);
    }
    
    if (msg.direction == UsbIpDevicePacket.USBIP_DIR_OUT) {
      msg.outData = new byte[msg.transferBufferLength];
      StreamUtils.readAll(in, msg.outData);
    }
    
    return msg;
  }
  
  @Override
  public String toString() {
    StringBuilder sb = new StringBuilder();
    sb.append(super.toString());
    sb.append(String.format("Xfer flags: 0x%x\n", transferFlags));
    sb.append(String.format("Xfer length: %d\n", transferBufferLength));
    sb.append(String.format("Start frame: %d\n", startFrame));
    sb.append(String.format("Number Of Packets: %d\n", numberOfPackets));
    sb.append(String.format("Interval: %d\n", interval));
    return sb.toString();
  }

  @Override
  protected byte[] serializeInternal() {
    throw new UnsupportedOperationException("Serializing not supported");
  }
}

Java Source Code List