private static ByteBuf encodeSubAckMessage( ByteBufAllocator byteBufAllocator, MqttSubAckMessage message) { int variableHeaderBufferSize = 2; int payloadBufferSize = message.payload().grantedQoSLevels().size(); int variablePartSize = variableHeaderBufferSize + payloadBufferSize; int fixedHeaderBufferSize = 1 + getVariableLengthInt(variablePartSize); ByteBuf buf = byteBufAllocator.buffer(fixedHeaderBufferSize + variablePartSize); buf.writeByte(getFixedHeaderByte1(message.fixedHeader())); writeVariableLengthInt(buf, variablePartSize); buf.writeShort(message.variableHeader().messageId()); for (int qos : message.payload().grantedQoSLevels()) { buf.writeByte(qos); } return buf; }
private static ByteBuf encodeSubAckMessage( ByteBufAllocator byteBufAllocator, MqttSubAckMessage message) { int variableHeaderBufferSize = 2; int payloadBufferSize = message.payload().grantedQoSLevels().size(); int variablePartSize = variableHeaderBufferSize + payloadBufferSize; int fixedHeaderBufferSize = 1 + getVariableLengthInt(variablePartSize); ByteBuf buf = byteBufAllocator.buffer(fixedHeaderBufferSize + variablePartSize); buf.writeByte(getFixedHeaderByte1(message.fixedHeader())); writeVariableLengthInt(buf, variablePartSize); buf.writeShort(message.variableHeader().packetId()); message.payload().grantedQoSLevels().forEach(qos -> buf.writeByte(qos.value())); return buf; }
private static ByteBuf encodeSubAckMessage( ByteBufAllocator byteBufAllocator, MqttSubAckMessage message) { int variableHeaderBufferSize = 2; int payloadBufferSize = message.payload().grantedQoSLevels().size(); int variablePartSize = variableHeaderBufferSize + payloadBufferSize; int fixedHeaderBufferSize = 1 + getVariableLengthInt(variablePartSize); ByteBuf buf = byteBufAllocator.buffer(fixedHeaderBufferSize + variablePartSize); buf.writeByte(getFixedHeaderByte1(message.fixedHeader())); writeVariableLengthInt(buf, variablePartSize); buf.writeShort(message.variableHeader().messageId()); for (int qos : message.payload().grantedQoSLevels()) { buf.writeByte(qos); } return buf; }
@Test public void testSubAckMessage() throws Exception { final MqttSubAckMessage message = createSubAckMessage(); ByteBuf byteBuf = MqttEncoder.doEncode(ALLOCATOR, message); final List<Object> out = new LinkedList<>(); mqttDecoder.decode(ctx, byteBuf, out); assertEquals("Expected one object bout got " + out.size(), 1, out.size()); final MqttSubAckMessage decodedMessage = (MqttSubAckMessage) out.get(0); validateFixedHeaders(message.fixedHeader(), decodedMessage.fixedHeader()); validateMessageIdVariableHeader(message.variableHeader(), decodedMessage.variableHeader()); validateSubAckPayload(message.payload(), decodedMessage.payload()); }