Enum ProtocolVersion 

#[repr(i32)]
pub enum ProtocolVersion {
    V0 = 0,
    V1 = 1,
    V2 = 2,
    V3 = 3,
    V4 = 4,
    V5 = 5,
    V6 = 6,
    V7 = 7,
    V8 = 8,
    V9 = 9,
    V10 = 10,
    V11 = 11,
    V12 = 12,
    V13 = 13,
    V14 = 14,
    V15 = 15,
}

Each protocol version identify new features that are incrementally added to the protocol

Variants

V0 = 0

Initial versioning

V1 = 1

Added application keep-alive

V2 = 2

Added RedeliverUnacknowledgedMessages Command

V3 = 3

Added compression with LZ4 and ZLib

V4 = 4

Added batch message support

V5 = 5

Added disconnect client w/o closing connection

V6 = 6

Added checksum computation for metadata + payload

V7 = 7

Added CommandLookupTopic - Binary Lookup

V8 = 8

Added CommandConsumerStats - Client fetches broker side consumer stats

V9 = 9

Added end of topic notification

V10 = 10

Added proxy to broker

V11 = 11

C++ consumers before this version are not correctly handling the checksum field

V12 = 12

Added get topic’s last messageId from broker

V13 = 13

Added CommandActiveConsumerChange Added CommandGetTopicsOfNamespace

Schema-registry : added avro schema format for json

V14 = 14

Add CommandAuthChallenge and CommandAuthResponse for mutual auth

V15 = 15

Added Key_Shared subscription

Add CommandGetOrCreateSchema and CommandGetOrCreateSchemaResponse

Implementations

impl ProtocolVersion

pub fn is_valid(value: i32) -> bool

Returns true if value is a variant of ProtocolVersion.

pub fn from_i32(value: i32) -> Option<ProtocolVersion>

Converts an i32 to a ProtocolVersion, or None if value is not a valid variant.

Trait Implementations

impl Clone for ProtocolVersion

fn clone(&self) -> ProtocolVersion

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Copy for ProtocolVersion

impl Debug for ProtocolVersion

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

Formats the value using the given formatter.

impl Default for ProtocolVersion

fn default() -> ProtocolVersion

Returns the “default value” for a type.

impl Eq for ProtocolVersion

impl From<ProtocolVersion> for i32

fn from(value: ProtocolVersion) -> i32

Converts to this type from the input type.

impl Hash for ProtocolVersion

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl Ord for ProtocolVersion

fn cmp(&self, other: &ProtocolVersion) -> Ordering

This method returns an Ordering between self and other.

fn max(self, other: Self) -> Self

where Self: Sized,

Compares and returns the maximum of two values.

fn min(self, other: Self) -> Self

where Self: Sized,

Compares and returns the minimum of two values.

fn clamp(self, min: Self, max: Self) -> Self

where Self: Sized,

Restrict a value to a certain interval.

impl PartialEq for ProtocolVersion

fn eq(&self, other: &ProtocolVersion) -> bool

Equality operator ==.

fn ne(&self, other: &Rhs) -> bool

Inequality operator !=.

impl PartialOrd for ProtocolVersion

fn partial_cmp(&self, other: &ProtocolVersion) -> Option<Ordering>

This method returns an ordering between self and other values if one exists.

fn lt(&self, other: &Rhs) -> bool

Tests less than (for self and other) and is used by the < operator.

fn le(&self, other: &Rhs) -> bool

Tests less than or equal to (for self and other) and is used by the <= operator.

fn gt(&self, other: &Rhs) -> bool

Tests greater than (for self and other) and is used by the > operator.

fn ge(&self, other: &Rhs) -> bool

Tests greater than or equal to (for self and other) and is used by the >= operator.

impl StructuralPartialEq for ProtocolVersion