async fn handle_response(
    response: Response,
    final_event_id: Id,
    client_id: &str,
) -> Result<Vec<ReceivedEvent>, reqwest::Error> {
    if response.status() == StatusCode::SERVICE_UNAVAILABLE {
        debug!("{} rejected by server: too many clients", client_id);
        assert_eq!(
            response.text().await.unwrap(),
            "server has reached limit of subscribers"
        );
        return Ok(Vec::new());
    }

    // The stream from the server is not always chunked into events, so gather the stream into a
    // single `String` until we receive a keepalive.
    let mut response_text = String::new();
    let mut stream = response.bytes_stream();
    let final_id_line = format!("id:{}", final_event_id);
    let keepalive = ":";
    while let Some(item) = stream.next().await {
        // If the server crashes or returns an error in the stream, it is caught here as `item` will
        // be an `Err`.
        let bytes = item?;
        let chunk = str::from_utf8(bytes.as_ref()).unwrap();
        response_text.push_str(chunk);
        if let Some(line) = response_text
            .lines()
            .find(|&line| line == final_id_line || line == keepalive)
        {
            if line == keepalive {
                panic!("{} received keepalive", client_id);
            }
            debug!(
                "{} received final event ID {}: exiting",
                client_id, final_event_id
            );
            break;
        }
    }

    Ok(parse_response(response_text, client_id))
}
/// Handles a response from the server.
Handles a response from the server.
Handles a response from the server .
async fn handle_response(
    response: Response,
    final_event_id: Id,
    client_id: &str,
) -> Result<Vec<ReceivedEvent>, reqwest::Error> {
    if response.status() == StatusCode::SERVICE_UNAVAILABLE {
        debug!("{} rejected by server: too many clients", client_id);
        assert_eq!(
            response.text().await.unwrap(),
            "server has reached limit of subscribers"
        );
        return Ok(Vec::new());
    }
    // The stream from the server is not always chunked into events, so gather the stream into a
    // single `String` until we receive a keepalive.
    let mut response_text = String::new();
    let mut stream = response.bytes_stream();
    let final_id_line = format!("id:{}", final_event_id);
    let keepalive = ":";
    while let Some(item) = stream.next().await {
        // If the server crashes or returns an error in the stream, it is caught here as `item` will
        // be an `Err`.
        let bytes = item?;
        let chunk = str::from_utf8(bytes.as_ref()).unwrap();
        response_text.push_str(chunk);
        if let Some(line) = response_text
            .lines()
            .find(|&line| line == final_id_line || line == keepalive)
        {
            if line == keepalive {
                panic!("{} received keepalive", client_id);
            }
            debug!(
                "{} received final event ID {}: exiting",
                client_id, final_event_id
            );
            break;
        }
    }
    Ok(parse_response(response_text, client_id))
}
async fn handle_response ( response : Response , final_event_id : Id , client_id : & str , ) -> Result < Vec < ReceivedEvent > , reqwest :: Error > { if response . status ( ) == StatusCode :: SERVICE_UNAVAILABLE { debug ! ( " " client_id ) ; assert_eq ! ( response text ( ) await unwrap ( ) " " ) ; return Ok ( Vec :: new ( ) ) ; } // The stream from the server is not always chunked into events, so gather the stream into a // single `String` until we receive a keepalive. let mut response_text = String :: new ( ) ; let mut stream = response . bytes_stream ( ) ; let final_id_line = format ! ( " " final_event_id ) ; let keepalive = " " ; while let Some ( item ) = stream . next ( ) . await { // If the server crashes or returns an error in the stream, it is caught here as `item` will // be an `Err`. let bytes = item ? ; let chunk = str :: from_utf8 ( bytes . as_ref ( ) ) . unwrap ( ) ; response_text . push_str ( chunk ) ; if let Some ( line ) = response_text . lines ( ) . find ( | & line | line == final_id_line || line == keepalive ) { if line == keepalive { panic ! ( " " client_id ) ; } debug ! ( " " client_id final_event_id ) ; break ; } } Ok ( parse_response ( response_text , client_id ) ) }
Handles a response from the server.
Handles a response from the server .
response
Response
final_event_id
Id
client_id
&str
response
Response
final_event_id
Id
client_id
&str