143 lines
4.2 KiB
Rust
143 lines
4.2 KiB
Rust
use crate::config::*;
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use crate::utils::EpochTimestamp;
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use actix_web::{
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error::ErrorInternalServerError, web::Data, Error as WebError, HttpResponse,
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Result as WebResult,
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};
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use reqwest::{Client, Url, UrlError};
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use serde::Serialize;
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use std::sync::{Arc, Mutex, MutexGuard};
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use tera::{Context, Tera};
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#[derive(Clone, Serialize, Default)]
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pub struct Status {
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status: u8,
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location: String,
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domain: String,
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endpoint: String,
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error: Option<String>,
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}
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#[derive(Serialize)]
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pub struct QueryResults {
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pub last_update: EpochTimestamp,
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pub refresh_time: u64,
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pub config: Config,
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pub statuses: Vec<Status>,
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}
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type State = Arc<Mutex<QueryResults>>;
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// impl State {
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// pub fn new(config: &Config) -> Self {
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// State(Arc::from(Mutex::from(QueryResults {
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// last_update: EpochTimestamp::now(),
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// refresh_time: config.refresh_time.clone(),
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// config: config.clone(),
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// statuses: vec![],
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// })))
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// }
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// fn lock(&self) -> MutexGuard<QueryResults> {
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// self.0.lock().unwrap()
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// }
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// }
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pub fn index(tmpl: Data<Tera>, state: Data<State>) -> WebResult<HttpResponse, WebError> {
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let state = update_state(state.lock().unwrap());
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let mut ctx = Context::new();
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ctx.insert("results", &*state);
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let s = tmpl.render("index.html", &ctx).map_err(|e| {
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println!("{:?}", e);
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ErrorInternalServerError("Template error")
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})?;
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Ok(HttpResponse::Ok().content_type("text/html").body(s))
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}
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pub fn json_endpoint(state: Data<State>) -> HttpResponse {
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let state = update_state(state.lock().unwrap());
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HttpResponse::Ok().json(&state.statuses)
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}
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fn update_state(mut state: MutexGuard<QueryResults>) -> MutexGuard<QueryResults> {
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if EpochTimestamp::now() - state.last_update >= state.refresh_time {
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state.last_update = EpochTimestamp::now();
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state.statuses = update_status(&state.config);
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}
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state
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}
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fn update_status(config: &Config) -> Vec<Status> {
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let client = Client::new();
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let mut results: Vec<Status> = vec![];
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for website_conf in &config.websites {
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for endpoint in &website_conf.endpoints {
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results.push(get_result(website_conf, &client, endpoint));
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}
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}
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results
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}
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fn get_result(website_conf: &WebsiteConfig, client: &Client, endpoint: &EndpointConfig) -> Status {
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let (label, path, port, code, body) = get_endpoint_info(endpoint.clone());
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let url = get_url(&website_conf.base, &path, port).expect("reading config");
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let ping_result = client.get(&url).send();
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match ping_result {
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Ok(mut res) => {
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let res_body = res.text().expect("could not get body of request");
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let does_code_match = res.status() == code;
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let does_body_match = body.is_empty() || res_body == body;
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let mut error = None;
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if !does_code_match {
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error = Some(format!(
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"Status code mismatch: {} != {}.",
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res.status().as_u16(),
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code
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));
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}
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if !does_body_match {
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error = Some(if let Some(msg) = error {
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format!(
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"{} Body mismatch: {} != {}.",
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msg,
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res_body.len(),
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body.len()
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)
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} else {
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format!("Body mismatch: {} != {}.", res_body.len(), body.len())
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});
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}
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Status {
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status: if error.is_some() { 1 } else { 0 },
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location: url,
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domain: website_conf.label.clone(),
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endpoint: label,
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error,
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}
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}
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Err(e) => Status {
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status: 2,
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location: url,
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domain: website_conf.label.clone(),
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endpoint: label,
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error: Some(format!("{}", e)),
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},
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}
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}
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fn get_url(base: &String, path: &String, port: Option<u16>) -> Result<String, UrlError> {
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let mut url = Url::parse(base)?.join(path)?;
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if let Err(e) = url.set_port(port) {
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println!("{:?}", e);
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}
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Ok(url.into_string())
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}
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