Struct MessageMetadata 

pub struct MessageMetadata {
    pub created_at: Timestamp,
    pub protocol_version: ProtocolVersion,
    pub encoding: Option<String>,
    pub content_type: ContentType,
    pub size: usize,
    pub correlation_id: Option<String>,
    pub headers: HashMap<String, String>,
}

Message metadata for tracking and debugging

Fields

created_at: Timestamp

Message creation timestamp

protocol_version: ProtocolVersion

Protocol version used

encoding: Option<String>

Content encoding (gzip, brotli, etc.)

content_type: ContentType

Content type of the payload

size: usize

Message size in bytes

correlation_id: Option<String>

Correlation ID for request tracing

headers: HashMap<String, String>

Custom headers

Implementations

impl MessageMetadata

pub fn new(content_type: ContentType, size: usize) -> Self

Create new message metadata

pub fn with_header(self, key: String, value: String) -> Self

Add a custom header

pub fn with_correlation_id(self, correlation_id: String) -> Self

Set correlation ID for tracing

pub fn with_encoding(self, encoding: String) -> Self

Set content encoding

Trait Implementations

impl Clone for MessageMetadata

fn clone(&self) -> MessageMetadata

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for MessageMetadata

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<'de> Deserialize<'de> for MessageMetadata

fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>

where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer.

impl Serialize for MessageMetadata

fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>

where __S: Serializer,

Serialize this value into the given Serde serializer.