Struct ProtocolNegotiator 

pub struct ProtocolNegotiator { /* private fields */ }

Protocol negotiator for version agreement

Implementations

impl ProtocolNegotiator

pub fn new() -> Self

Create a new negotiator with default support (v2 and v5)

pub fn v2_only() -> Self

Create a negotiator that only supports v2

pub fn prefer_v5() -> Self

Create a negotiator that prefers v5

pub fn prefer(self, version: ProtocolVersion) -> Self

Set the preferred protocol version

pub fn support(self, version: ProtocolVersion) -> Self

Add support for a protocol version

pub fn unsupport(self, version: ProtocolVersion) -> Self

Remove support for a protocol version

pub fn is_supported(&self, version: ProtocolVersion) -> bool

Check if a protocol version is supported

pub fn supported_versions(&self) -> Vec<ProtocolVersion>

Get all supported versions

pub fn preferred_version(&self) -> Option<ProtocolVersion>

Get the preferred version

pub fn negotiate( &self, remote_versions: &[ProtocolVersion], ) -> Result<ProtocolVersion, NegotiationError>

Negotiate a protocol version with a remote party

Returns the agreed version based on mutual support, preferring our preferred version if mutually supported.

pub fn validate_version( &self, version: ProtocolVersion, ) -> Result<(), NegotiationError>

Validate that a message uses a supported protocol version

Trait Implementations

impl Clone for ProtocolNegotiator

fn clone(&self) -> ProtocolNegotiator

Returns a duplicate of the value.

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

Performs copy-assignment from source.

impl Debug for ProtocolNegotiator

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

Formats the value using the given formatter.

impl Default for ProtocolNegotiator

fn default() -> Self

Returns the “default value” for a type.