FileDocCategorySizeDatePackage
BTHave.javaAPI DocAzureus 3.0.3.43293Sun Mar 04 21:08:16 GMT 2007com.aelitis.azureus.core.peermanager.messaging.bittorrent

BTHave

public class BTHave extends Object implements BTMessage
BitTorrent have message.

Fields Summary
private byte
version
private DirectByteBuffer
buffer
private String
description
private final int
piece_number
Constructors Summary
public BTHave(int piece_number, byte version)


  
         
    this.piece_number = piece_number;
    this.version = version;
  
Methods Summary
public com.aelitis.azureus.core.peermanager.messaging.Messagedeserialize(DirectByteBuffer data, byte version)

    
    if( data == null ) {
      throw new MessageException( "[" +getID() + "] decode error: data == null" );
    }
    
    if( data.remaining( DirectByteBuffer.SS_MSG ) != 4 ) {
      throw new MessageException( "[" +getID() + "] decode error: payload.remaining[" +data.remaining( DirectByteBuffer.SS_MSG )+ "] != 4" );
    }
    
    int number = data.getInt( DirectByteBuffer.SS_MSG );
    
    if( number < 0 ) {
      throw new MessageException( "[" +getID() + "] decode error: number < 0" );
    }
    
    data.returnToPool();
    
    return new BTHave( number, version );
  
public voiddestroy()

    if( buffer != null )  buffer.returnToPool();
  
public DirectByteBuffer[]getData()

    if( buffer == null ) {
      buffer = DirectByteBufferPool.getBuffer( DirectByteBuffer.AL_MSG_BT_HAVE, 4 );
      buffer.putInt( DirectByteBuffer.SS_MSG, piece_number );
      buffer.flip( DirectByteBuffer.SS_MSG );
    }
    
    return new DirectByteBuffer[]{ buffer };
  
public java.lang.StringgetDescription()

    if( description == null ) {
      description = BTMessage.ID_BT_HAVE + " piece #" + piece_number;
    }
    
    return description;
  
public java.lang.StringgetFeatureID()

  return BTMessage.BT_FEATURE_ID;  
public intgetFeatureSubID()

  return BTMessage.SUBID_BT_HAVE;  
public java.lang.StringgetID()

  return BTMessage.ID_BT_HAVE;  
public byte[]getIDBytes()

  return BTMessage.ID_BT_HAVE_BYTES;  
public intgetPieceNumber()

  return piece_number;  
public intgetType()

  return Message.TYPE_PROTOCOL_PAYLOAD;  
public bytegetVersion()

 return version;