Struct MessageContext 

pub struct MessageContext {
    pub connection_id: String,
    /* private fields */
}

消息处理上下文

提供给消息处理函数的上下文，包含连接信息和服务器操作处理器

Fields

connection_id: String

连接 ID

Implementations

impl MessageContext

pub async fn send_to(&self, connection_id: &str, frame: &Frame) -> Result<()>

向指定连接发送消息

pub async fn send_to_user(&self, user_id: &str, frame: &Frame) -> Result<()>

向指定用户的所有连接发送消息

pub async fn broadcast(&self, frame: &Frame) -> Result<()>

广播消息到所有连接

pub async fn broadcast_except( &self, frame: &Frame, exclude_connection_id: &str, ) -> Result<()>

广播消息到所有连接，排除指定连接

pub async fn disconnect(&self, connection_id: &str) -> Result<()>

断开指定连接

pub fn connection_count(&self) -> usize

获取连接数量

pub fn user_count(&self) -> usize

获取用户数量