net.jradius.packet

Class Format

java.lang.Object

net.jradius.packet.Format

Direct Known Subclasses:

DHCPFormat, DiameterFormat, RadiusFormat, TLVFormat

public abstract class Format
extends Object

Author:

David Bird

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected class	Format.AttributeParseContext

Constructor Summary

Constructors

Constructor and Description
Format()

Method Summary

Modifier and Type	Method and Description
static short	getUnsignedByte(ByteBuffer bb)
static short	getUnsignedByte(ByteBuffer bb, int position)
static long	getUnsignedInt(ByteBuffer bb)
static long	getUnsignedInt(ByteBuffer bb, int position)
static int	getUnsignedShort(ByteBuffer bb)
static int	getUnsignedShort(ByteBuffer bb, int position)
abstract void	packAttribute(ByteBuffer buffer, RadiusAttribute a)
void	packAttributeList(AttributeList attrs, ByteBuffer buffer, boolean onWire) Packs an AttributeList into a byte array
void	packAttributes(ByteBuffer buffer, List<VSAttribute> list)
static void	putUnsignedByte(ByteBuffer bb, int value)
static void	putUnsignedByte(ByteBuffer bb, int position, int value)
static void	putUnsignedInt(ByteBuffer bb, int position, long value)
static void	putUnsignedInt(ByteBuffer bb, long value)
static void	putUnsignedShort(ByteBuffer bb, int value)
static void	putUnsignedShort(ByteBuffer bb, int position, int value)
static int	readUnsignedByte(InputStream in)
static long	readUnsignedInt(InputStream in)
static int	readUnsignedShort(InputStream in)
abstract void	unpackAttributeHeader(ByteBuffer buffer, Format.AttributeParseContext ctx)
void	unpackAttributes(AttributeList attrs, ByteBuffer buffer, int length, boolean pool) Unpacks RadiusAttributes from a byte array into an AttributeList
static void	writeUnsignedByte(OutputStream out, int b)
static void	writeUnsignedInt(OutputStream out, long i)
static void	writeUnsignedShort(OutputStream out, int s)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

Format

public Format()

Method Detail

packAttribute

public abstract void packAttribute(ByteBuffer buffer,
                                   RadiusAttribute a)

packAttributes

public void packAttributes(ByteBuffer buffer,
                           List<VSAttribute> list)

unpackAttributeHeader

public abstract void unpackAttributeHeader(ByteBuffer buffer,
                                           Format.AttributeParseContext ctx)
                                    throws IOException

Throws:

IOException

packAttributeList

public void packAttributeList(AttributeList attrs,
                              ByteBuffer buffer,
                              boolean onWire)

Packs an AttributeList into a byte array

Parameters:

attrs - The AttributeList to pack

unpackAttributes

public void unpackAttributes(AttributeList attrs,
                             ByteBuffer buffer,
                             int length,
                             boolean pool)

Unpacks RadiusAttributes from a byte array into an AttributeList

Parameters:

attrs - The AttributeList to put unpacked attributes

bytes - The bytes to be unpacked

bLength - The length of the bytes to be unpacked public void unpackAttributes(AttributeList attrs, byte[] bytes, int bOffset, int bLength) { InputStream attributeInput = new ByteArrayInputStream(bytes, bOffset, bLength); try { for (int pos = 0; pos < bLength; ) { AttributeParseContext ctx = new AttributeParseContext(); pos += unpackAttributeHeader(attributeInput, ctx); RadiusAttribute attribute = null; ctx.attributeValue = new byte[(int)(ctx.attributeLength - ctx.headerLength)]; attributeInput.read(ctx.attributeValue, 0, (int)(ctx.attributeLength - ctx.headerLength)); attribute = AttributeFactory.newAttribute(ctx.vendorNumber, ctx.attributeType, ctx.attributeValue, (int) ctx.attributeOp); if (attribute == null) { RadiusLog.warn("Unknown attribute with type = " + ctx.attributeType); } else { attrs._add(attribute, false); } if (ctx.padding > 0) { pos += ctx.padding; while (ctx.padding-- > 0) { readUnsignedByte(attributeInput); } } pos += ctx.attributeLength; } attributeInput.close(); } catch (IOException e) { RadiusLog.warn(e.getMessage(), e); } }

readUnsignedInt

public static long readUnsignedInt(InputStream in)
                            throws IOException

Throws:

IOException

readUnsignedShort

public static int readUnsignedShort(InputStream in)
                             throws IOException

Throws:

IOException

readUnsignedByte

public static int readUnsignedByte(InputStream in)
                            throws IOException

Throws:

IOException

writeUnsignedByte

public static void writeUnsignedByte(OutputStream out,
                                     int b)
                              throws IOException

Throws:

IOException

writeUnsignedShort

public static void writeUnsignedShort(OutputStream out,
                                      int s)
                               throws IOException

Throws:

IOException

writeUnsignedInt

public static void writeUnsignedInt(OutputStream out,
                                    long i)
                             throws IOException

Throws:

IOException

getUnsignedByte

public static short getUnsignedByte(ByteBuffer bb)

putUnsignedByte

public static void putUnsignedByte(ByteBuffer bb,
                                   int value)

getUnsignedByte

public static short getUnsignedByte(ByteBuffer bb,
                                    int position)

putUnsignedByte

public static void putUnsignedByte(ByteBuffer bb,
                                   int position,
                                   int value)

getUnsignedShort

public static int getUnsignedShort(ByteBuffer bb)

putUnsignedShort

public static void putUnsignedShort(ByteBuffer bb,
                                    int value)

getUnsignedShort

public static int getUnsignedShort(ByteBuffer bb,
                                   int position)

putUnsignedShort

public static void putUnsignedShort(ByteBuffer bb,
                                    int position,
                                    int value)

getUnsignedInt

public static long getUnsignedInt(ByteBuffer bb)

putUnsignedInt

public static void putUnsignedInt(ByteBuffer bb,
                                  long value)

getUnsignedInt

public static long getUnsignedInt(ByteBuffer bb,
                                  int position)

putUnsignedInt

public static void putUnsignedInt(ByteBuffer bb,
                                  int position,
                                  long value)