Struct Context

pub struct Context { /* private fields */ }

A context stores a source endpoint, a process info and other any values during connecting.

Implementations

impl Context

pub fn new() -> Context

new a empty context

pub fn from_socketaddr(addr: SocketAddr) -> Context

new a context from socket addr

pub fn insert<I: Serialize>(&mut self, key: String, value: I) -> Result<()>

Inserts a key-value pair into the context.

pub fn remove<T: DeserializeOwned>(&mut self, key: &str) -> Result<()>

Removes a key from the context

pub fn get<T: DeserializeOwned>(&self, key: &str) -> Result<T>

Returns a value corresponding to the key.

pub fn insert_value(&mut self, key: String, value: Value)

Inserts a key-value pair into the context.

pub fn remove_value(&mut self, key: &str) -> Result<()>

Removes a key from the context, returning the value at the key if the key was previously in the context.

pub fn get_value(&self, key: &str) -> Result<Value>

Returns a value corresponding to the key.

pub fn insert_common<T: CommonField>(&mut self, value: T) -> Result<()>

Inserts a key-value pair into the context.

pub fn get_common<T: CommonField>(&self) -> Result<T>

Returns a value corresponding to the key.

pub fn append_composite(&mut self, composite_name: impl Into<String>)

Add composite to composite_list

pub fn composite_list(&self) -> &Vec<String>

Get composite_list

Trait Implementations

impl Clone for Context

fn clone(&self) -> Context

Returns a copy of the value.

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

Performs copy-assignment from source.

impl Debug for Context

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

Formats the value using the given formatter.