Example usage for io.netty.buffer ByteBuf getMedium

Introduction

In this page you can find the example usage for io.netty.buffer ByteBuf getMedium.

Prototype

public abstract int getMedium(int index);

Source Link

Document

Gets a 24-bit medium integer at the specified absolute index in this buffer.

Usage

From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientAcknowledgeHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    buffer = buffer.order(ByteOrder.LITTLE_ENDIAN);

    while (buffer.readableBytes() >= HEADER_LENGTH && buffer.readableBytes() >= getMessageLength(buffer)) {

        int messageLength = getMessageLength(buffer);
        MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

        switch (messageType) {
        case Acknowledge:
            onAcknowledge(ctx, buffer.readSlice(messageLength));
            break;

        case Error:
            onError(ctx, buffer.readSlice(messageLength));
            break;

        default://from  ww  w.ja va2 s.  co m
            out.add(buffer.readSlice(messageLength).retain());
        }
    }
}

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From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientAsymmetricHandler.java

License:Apache License

@Override
protected void channelRead0(ChannelHandlerContext ctx, ByteBuf buffer) throws Exception {
    buffer = buffer.order(ByteOrder.LITTLE_ENDIAN);

    while (buffer.readableBytes() >= HEADER_LENGTH && buffer.readableBytes() >= getMessageLength(buffer)) {

        int messageLength = getMessageLength(buffer);
        MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

        switch (messageType) {
        case OpenSecureChannel:
            onOpenSecureChannel(ctx, buffer.readSlice(messageLength));
            break;

        case Error:
            onError(ctx, buffer.readSlice(messageLength));
            break;

        default:/*  w  w  w .  j  a  va  2  s.  c  o m*/
            throw new UaException(StatusCodes.Bad_TcpMessageTypeInvalid,
                    "unexpected MessageType: " + messageType);
        }
    }
}

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From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientMessageHandler.java

License:Apache License

private void decodeMessage(ChannelHandlerContext ctx, ByteBuf buffer) throws UaException {
    int messageLength = getMessageLength(buffer);
    MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

    switch (messageType) {
    case OpenSecureChannel:
        onOpenSecureChannel(ctx, buffer.readSlice(messageLength));
        break;/*from  w ww.  ja v a2 s  . c  om*/

    case SecureMessage:
        onSecureMessage(ctx, buffer.readSlice(messageLength));
        break;

    case Error:
        onError(ctx, buffer.readSlice(messageLength));
        break;

    default:
        throw new UaException(StatusCodes.Bad_TcpMessageTypeInvalid, "unexpected MessageType: " + messageType);
    }
}

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From source file:com.digitalpetri.opcua.stack.client.handlers.UaTcpClientSymmetricHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    buffer = buffer.order(ByteOrder.LITTLE_ENDIAN);

    while (buffer.readableBytes() >= HEADER_LENGTH && buffer.readableBytes() >= getMessageLength(buffer)) {

        int messageLength = getMessageLength(buffer);
        MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

        switch (messageType) {
        case SecureMessage:
            onSecureMessage(ctx, buffer.readSlice(messageLength));
            break;

        case Error:
            onError(ctx, buffer.readSlice(messageLength));
            break;

        default://w  w w. j a  v a 2 s. co  m
            out.add(buffer.readSlice(messageLength).retain());
        }
    }
}

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From source file:com.digitalpetri.opcua.stack.server.handlers.UaTcpServerAsymmetricHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    buffer = buffer.order(ByteOrder.LITTLE_ENDIAN);

    while (buffer.readableBytes() >= HEADER_LENGTH && buffer.readableBytes() >= getMessageLength(buffer)) {

        int messageLength = getMessageLength(buffer);
        MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

        switch (messageType) {
        case OpenSecureChannel:
            onOpenSecureChannel(ctx, buffer.readSlice(messageLength));
            break;

        case CloseSecureChannel:
            logger.debug("Received CloseSecureChannelRequest");
            if (secureChannel != null) {
                server.closeSecureChannel(secureChannel);
            }/*  ww w .  j  a  v  a 2  s .  c o  m*/
            buffer.skipBytes(messageLength);
            break;

        default:
            throw new UaException(StatusCodes.Bad_TcpMessageTypeInvalid,
                    "unexpected MessageType: " + messageType);
        }
    }
}

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From source file:com.digitalpetri.opcua.stack.server.handlers.UaTcpServerHelloHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    buffer = buffer.order(ByteOrder.LITTLE_ENDIAN);

    while (buffer.readableBytes() >= HEADER_LENGTH && buffer.readableBytes() >= getMessageLength(buffer)) {

        int messageLength = getMessageLength(buffer);
        MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

        switch (messageType) {
        case Hello:
            onHello(ctx, buffer.readSlice(messageLength));
            break;

        default://from   w  w w  .  ja v  a  2  s  . com
            throw new UaException(StatusCodes.Bad_TcpMessageTypeInvalid,
                    "unexpected MessageType: " + messageType);
        }
    }
}

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From source file:com.digitalpetri.opcua.stack.server.handlers.UaTcpServerSymmetricHandler.java

License:Apache License

@Override
protected void decode(ChannelHandlerContext ctx, ByteBuf buffer, List<Object> out) throws Exception {
    buffer = buffer.order(ByteOrder.LITTLE_ENDIAN);

    while (buffer.readableBytes() >= HEADER_LENGTH && buffer.readableBytes() >= getMessageLength(buffer)) {

        int messageLength = getMessageLength(buffer);
        MessageType messageType = MessageType.fromMediumInt(buffer.getMedium(buffer.readerIndex()));

        switch (messageType) {
        case SecureMessage:
            onSecureMessage(ctx, buffer.readSlice(messageLength), out);
            break;

        default:/* w w w . j ava 2s.  co m*/
            out.add(buffer.readSlice(messageLength).retain());
        }
    }
}

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