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use chashmap::{CHashMap, ReadGuard};
use log::debug;
use crate::socketio::InternalMessage;
use tokio::sync::broadcast::Sender;
lazy_static! {
static ref ROOMS: CHashMap<String, Vec<ChannelPair>> = CHashMap::new();
}
#[derive(Clone)]
pub struct ChannelPair {
sid: String,
sender: Sender<InternalMessage>,
}
impl ChannelPair {
pub fn new(sid: &str, sender: Sender<InternalMessage>) -> Self {
ChannelPair {
sid: sid.to_string(),
sender,
}
}
pub fn send(&self, message: InternalMessage) {
let _ = self.sender.send(message);
}
pub fn sid(&self) -> &str {
&self.sid
}
}
pub fn join_channel_to_room(room_id: &str, channel_pair: ChannelPair) {
let mut connected_sockets = match ROOMS.remove(room_id) {
Some(val) => val,
None => Vec::new(),
};
let mut exist = false;
for socket in &connected_sockets {
if socket.sid() == channel_pair.sid() {
debug!(
"ROOMS: socketid {} doesn't join room {}, this socketid already exist in the room.",
channel_pair.sid(),
room_id
);
exist = true;
break;
}
}
if !exist {
debug!(
"ROOMS: socketid {} joined room {}, room len = {}.",
channel_pair.sid(),
room_id,
connected_sockets.len() + 1
);
connected_sockets.push(channel_pair);
}
ROOMS.insert(room_id.to_string(), connected_sockets);
}
pub fn remove_socket_from_room(room_id: &str, sid: &str) {
let mut connected_sockets = match ROOMS.remove(room_id) {
Some(val) => val,
None => Vec::new(),
};
for i in 0..connected_sockets.len() {
let socket = connected_sockets.get(i).unwrap();
if socket.sid == sid {
connected_sockets.remove(i);
debug!(
"ROOMS: socketid {} leave room {}, room len = {}.",
sid,
room_id,
connected_sockets.len()
);
break;
}
}
if !connected_sockets.is_empty() {
debug!(
"ROOMS: {} sockets insert back into ROOMS {}.",
connected_sockets.len(),
room_id
);
ROOMS.insert(room_id.to_string(), connected_sockets);
}
}
pub fn get_sockets_for_room(room_id: &str) -> Option<ReadGuard<String, Vec<ChannelPair>>> {
ROOMS.get(room_id)
}
pub fn get_sockets_number_for_room(room_id: &str) -> usize {
ROOMS
.get(room_id)
.map(|channels| channels.len())
.unwrap_or(0)
}
pub fn print_sockets_for_room(room_id: &str) {
match ROOMS.get(room_id) {
Some(sockets) => {
debug!(
"ROOMS: room {} containt sockets number = {}.",
room_id,
sockets.len()
);
}
None => {
debug!("ROOMS: no socket in room {}.", room_id);
}
}
}
pub fn get_rooms_count() -> usize {
ROOMS.len()
}