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use futures_util::{SinkExt, StreamExt};
use indicatif::{MultiProgress, ProgressBar};
use reqwest::StatusCode;
use serde::Deserialize;
use tokio_tungstenite::{connect_async, tungstenite::Message};
use crate::{
add_pb, config::Config, default_headers, error::Error, finish_pb, format_url, ErrorResponse,
Protocols, DEFAULT_STYLE, DONE_STYLE, ERROR_STYLE, OVERVIEW_DONE, OVERVIEW_ERROR,
OVERVIEW_STYLE,
};
pub async fn start(config: &Config, id: String, ping: bool) -> Result<(), Error> {
let send_start = MultiProgress::new();
let overview = add_pb(&send_start, OVERVIEW_STYLE, format!(") start {id}"));
let url = format_url(config, "start", &Protocols::Http);
let connect = add_pb(&send_start, DEFAULT_STYLE, format!("connect to {url}"));
let res = reqwest::Client::new()
.post(url)
.headers(default_headers(config)?)
.body(format!(r#"{{"id": "{id}", "ping": {ping}}}"#))
.send()
.await?;
finish_pb(&connect, "connected, got response".to_string(), DONE_STYLE);
let res_pb = add_pb(&send_start, DEFAULT_STYLE, "analyzing response".to_string());
if res.status() == StatusCode::OK {
let body = serde_json::from_str::<StartResponse>(&res.text().await?)?;
if body.boot {
finish_pb(&res_pb, "sent start packet".to_string(), DONE_STYLE);
}
if ping {
let status = status_socket(config, body.uuid, &send_start, &overview, id).await?;
if status {
finish_pb(
&overview,
format!("successfully started {}", body.id),
OVERVIEW_DONE,
);
} else {
finish_pb(
&overview,
format!("error while starting {}", body.id),
OVERVIEW_ERROR,
);
}
}
} else {
let body = serde_json::from_str::<ErrorResponse>(&res.text().await?)?;
res_pb.finish_with_message(format!("✗ got error: {}", body.error));
}
Ok(())
}
async fn status_socket(
config: &Config,
uuid: String,
pb: &MultiProgress,
overview: &ProgressBar,
id: String,
) -> Result<bool, Error> {
let ws_pb = add_pb(pb, DEFAULT_STYLE, "connect to websocket".to_string());
let (mut ws_stream, _response) =
connect_async(format_url(config, "status", &Protocols::Websocket))
.await
.expect("Failed to connect");
finish_pb(&ws_pb, "connected to websocket".to_string(), DONE_STYLE);
ws_stream.send(Message::Text(uuid.clone())).await.unwrap();
// Get ETA
let eta_msg = ws_stream.next().await.unwrap().unwrap();
let eta = get_eta(&eta_msg.into_text().unwrap(), &uuid)? + overview.elapsed().as_secs();
overview.set_message(format!("/{eta}) start {id}"));
let msg_pb = add_pb(pb, DEFAULT_STYLE, "await message".to_string());
let msg = ws_stream.next().await.unwrap();
finish_pb(&msg_pb, "received message".to_string(), DONE_STYLE);
ws_stream.close(None).await.unwrap();
let v_pb = add_pb(pb, DEFAULT_STYLE, "verify response".to_string());
let res = verify_response(&msg.unwrap().to_string(), &uuid)?;
match res {
Verified::WrongUuid => {
finish_pb(&v_pb, "returned wrong uuid".to_string(), ERROR_STYLE);
Ok(false)
}
Verified::ResponseType(res_type) => match res_type {
ResponseType::Start => {
finish_pb(&v_pb, "device started".to_string(), DONE_STYLE);
Ok(true)
}
ResponseType::Timeout => {
finish_pb(&v_pb, "ping timed out".to_string(), ERROR_STYLE);
Ok(false)
}
ResponseType::NotFound => {
finish_pb(&v_pb, "unknown uuid".to_string(), ERROR_STYLE);
Ok(false)
}
},
}
}
fn get_eta(msg: &str, uuid: &str) -> Result<u64, Error> {
let spl: Vec<&str> = msg.split('_').collect();
if (spl[0] != "eta") || (spl[2] != uuid) {
return Err(Error::WsResponse);
};
Ok(spl[1].parse()?)
}
fn verify_response(res: &str, org_uuid: &str) -> Result<Verified, Error> {
let spl: Vec<&str> = res.split('_').collect();
let res_type = spl[0];
let uuid = spl[1];
if uuid != org_uuid {
return Ok(Verified::WrongUuid);
};
Ok(Verified::ResponseType(ResponseType::from(res_type)?))
}
#[derive(Debug, Deserialize)]
struct StartResponse {
boot: bool,
id: String,
uuid: String,
}
enum Verified {
ResponseType(ResponseType),
WrongUuid,
}
enum ResponseType {
Start,
Timeout,
NotFound,
}
impl ResponseType {
fn from(value: &str) -> Result<Self, Error> {
match value {
"start" => Ok(ResponseType::Start),
"timeout" => Ok(ResponseType::Timeout),
"notfound" => Ok(ResponseType::NotFound),
_ => Err(Error::WsResponse),
}
}
}
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