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MqttMessageIdAndPropertiesVariableHeader() — netty Function Reference

Architecture documentation for the MqttMessageIdAndPropertiesVariableHeader() function in MqttDecoder.java from the netty codebase.

Function java Buffer Allocators calls 2

Entity Profile

Dependency Diagram

graph TD
  56e49442_12c5_b9e5_14d7_23d73dd802d2["MqttMessageIdAndPropertiesVariableHeader()"]
  c4faa729_e212_a3dd_9d90_3e8fd908d755["MqttDecoder"]
  56e49442_12c5_b9e5_14d7_23d73dd802d2 -->|defined in| c4faa729_e212_a3dd_9d90_3e8fd908d755
  ffabaaa2_4dc4_d6a0_6031_2c831eb098b0["decodeMessageId()"]
  56e49442_12c5_b9e5_14d7_23d73dd802d2 -->|calls| ffabaaa2_4dc4_d6a0_6031_2c831eb098b0
  8cad50bc_08ed_5075_a0f7_de30f00ba977["decodeProperties()"]
  56e49442_12c5_b9e5_14d7_23d73dd802d2 -->|calls| 8cad50bc_08ed_5075_a0f7_de30f00ba977
  style 56e49442_12c5_b9e5_14d7_23d73dd802d2 fill:#6366f1,stroke:#818cf8,color:#fff

Relationship Graph

Source Code

codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttDecoder.java lines 391–406

    private MqttMessageIdAndPropertiesVariableHeader decodeMessageIdAndPropertiesVariableHeader(
            ChannelHandlerContext ctx,
            ByteBuf buffer) {
        final MqttVersion mqttVersion = MqttCodecUtil.getMqttVersion(ctx);
        final int packetId = decodeMessageId(buffer);

        if (mqttVersion == MqttVersion.MQTT_5) {
            final Result<MqttProperties> properties = decodeProperties(buffer);
            bytesRemainingInVariablePart -= 2 + properties.numberOfBytesConsumed;
            return new MqttMessageIdAndPropertiesVariableHeader(packetId, properties.value);
        } else {
            bytesRemainingInVariablePart -= 2;
            return new MqttMessageIdAndPropertiesVariableHeader(packetId,
                                                                MqttProperties.NO_PROPERTIES);
        }
    }

Domain

Subdomains

Defined In

Calls

Source

Frequently Asked Questions

What does MqttMessageIdAndPropertiesVariableHeader() do?
MqttMessageIdAndPropertiesVariableHeader() is a function in the netty codebase, defined in codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttDecoder.java.
Where is MqttMessageIdAndPropertiesVariableHeader() defined?
MqttMessageIdAndPropertiesVariableHeader() is defined in codec-mqtt/src/main/java/io/netty/handler/codec/mqtt/MqttDecoder.java at line 391.
What does MqttMessageIdAndPropertiesVariableHeader() call?
MqttMessageIdAndPropertiesVariableHeader() calls 2 function(s): decodeMessageId, decodeProperties.

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