How to create a websocket connection and always read the data from the server to render when the data changes?

[callmeitachi]

My English is not very good,and the questions I want to ask are like the title narrative,may be wrong.
I have the following code:
...
let (data,set_data)=signal(Vec::::new());
let (mut write, mut read) = ws.split();
spawn_local(async move {
write.send(Message::Text(String::from("test"))).await.unwrap();
write.send(Message::Text(String::from("test 2"))).await.unwrap();
});
spawn_local(async move {
while let Some(Ok(msg)) = read.next().await {
log!("got it!");
if let Text(data)=msg {
let json_data:Value=serde_json::from_str(data.as_str()).unwrap();
let json_data_data=json_data["data"].as_array().unwrap();
let mut new_data=Vec::new();
for i in json_data_data {
let alarm_info=AlarmData {
alarm_id:i["alarm_id"].to_string(),
prob_cause:i["prob_cause"].to_string(),
system_seg_name:i["system_seg_name"].to_string(),
..Default::default()
};
new_data.push(alarm_info);
}
set_data.set(new_data);
}
}
log!("WebSocket Closed");
});
..........
It only renderer once at the beginning and did not render when the server is read and changes.

[gbj]

You should use triple-backticks (```) around code on GitHub so that it is formatted as code. Right now, it's very hard to read.

I see a place where you set a signal. I don't see anywhere where you read from the signal. Are you reading it correctly/reactively?