rustwave 0.1.0

A lightweight async event-driven WebSocket framework for Rust
Documentation 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88

use std::sync::Arc;

use dashmap::DashSet;
use serde::Serialize;
use tokio::sync::mpsc::Sender;
use tokio_tungstenite::tungstenite::Message;
use uuid::Uuid;

use crate::{
    error::Result,
    server::server_handler::ServerStates,
    utils::{broadcast_builder::BroadcastBuilder, send_data::Response},
};

pub(crate) struct PeerState {
    socket_id: Uuid,
    sender: Sender<Message>,
    server_states: Arc<ServerStates>,
    rooms: Arc<DashSet<String>>,
}

impl PeerState {
    pub(crate) fn new(sender: Sender<Message>, server_states: Arc<ServerStates>) -> Self {
        Self {
            socket_id: Uuid::new_v4(),
            sender,
            server_states,
            rooms: Arc::new(DashSet::new()),
        }
    }

    pub(crate) fn get_socket_id(&self) -> Uuid {
        self.socket_id
    }

    pub(crate) fn get_rooms(&self) -> Arc<DashSet<String>> {
        self.rooms.clone()
    }

    pub(crate) async fn emit<T: Serialize>(&self, event: &str, data: T) -> Result<()> {
        let json = serde_json::to_string(&Response {
            event: event.to_string(),
            data,
        })?;

        match self.sender.send(Message::Text(json.into())).await {
            Ok(_) => Ok(()),
            Err(_) => Err(crate::error::RustWaveError::ConnectionClosed),
        }
    }

    pub(crate) fn join_room(&self, room: &str) {
        self.server_states.insert_room(room, self.socket_id);
        self.rooms.insert(room.to_string());
    }

    pub(crate) fn leave_room(&self, room: &str) {
        self.server_states.remove_room(room, &self.socket_id);
        self.rooms.remove(&room.to_string());
    }

    pub(crate) fn broadcast<T: Serialize>(&self, event: &str, data: T) -> BroadcastBuilder<T> {
        BroadcastBuilder::new(event.to_string(), data, self.server_states.clone())
    }

    pub(crate) async fn broadcast_to_room<T: Serialize>(
        &self,
        room: &str,
        event: &str,
        data: T,
    ) -> Result<()> {
        self.server_states.room_broadcast(room, event, data).await?;
        Ok(())
    }

    pub(crate) async fn broadcast_to_expect<T: Serialize>(
        &self,
        room: &str,
        socket_id: Uuid,
        event: &str,
        data: T,
    ) -> Result<()> {
        self.server_states
            .room_broadcast_except(room, &socket_id, event, data)
            .await?;
        Ok(())
    }
}