org.eclipse.milo.opcua.stack.core.channel.headers

Interface HeaderDecoder

public interface HeaderDecoder

Field Summary

Fields

Modifier and Type	Field and Description
static int	HEADER_LENGTH
static int	HEADER_LENGTH_INDEX
static long	PROTOCOL_VERSION

Method Summary

Modifier and Type	Method and Description
default int	getMessageLength(io.netty.buffer.ByteBuf buffer, int maxMessageLength) Get the message length from a ByteBuf containing a TcpMessageEncoder.

Field Detail

PROTOCOL_VERSION

static final long PROTOCOL_VERSION

See Also:

Constant Field Values

HEADER_LENGTH

static final int HEADER_LENGTH

See Also:

Constant Field Values

HEADER_LENGTH_INDEX

static final int HEADER_LENGTH_INDEX

See Also:

Constant Field Values

Method Detail

getMessageLength

default int getMessageLength(io.netty.buffer.ByteBuf buffer,
                             int maxMessageLength)
                      throws UaException

Get the message length from a ByteBuf containing a TcpMessageEncoder. The reader index will not be advanced.

Parameters:

buffer - ByteBuf to extract from.

Returns:

The message length, which includes the size of the header.

Throws:

UaException