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@@ -1,303 +0,0 @@
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-extern crate iron;
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-extern crate persistent;
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-#[macro_use]
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-extern crate router;
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-extern crate serde;
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-extern crate serde_json;
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-#[macro_use]
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-extern crate serde_derive;
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-extern crate hyper;
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-extern crate mustache;
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-extern crate postgres;
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-extern crate r2d2;
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-extern crate r2d2_postgres;
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-extern crate rand;
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-extern crate rustc_serialize;
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-
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-use hyper::header::{ContentType, Server};
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-use iron::modifiers::Header;
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-use iron::prelude::*;
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-use iron::status;
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-use iron::typemap::Key;
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-use persistent::Read;
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-use r2d2::Pool;
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-use r2d2_postgres::{PostgresConnectionManager, TlsMode};
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-use rand::distributions::{IndependentSample, Range};
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-
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-#[derive(Serialize, Deserialize)]
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-struct Message {
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- message: String,
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-}
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-
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-#[allow(non_snake_case)]
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-#[derive(Serialize, Deserialize, Clone)]
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-struct DatabaseRow {
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- id: i32,
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- randomNumber: i32,
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-}
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-
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-struct CachedRows;
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-impl Key for CachedRows {
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- type Value = Vec<DatabaseRow>;
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-}
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-
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-pub type PostgresPool = Pool<PostgresConnectionManager>;
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-
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-struct DbPool;
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-impl Key for DbPool {
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- type Value = PostgresPool;
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-}
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-
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-struct FortuneTemplate;
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-impl Key for FortuneTemplate {
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- type Value = mustache::Template;
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-}
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-
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-#[derive(RustcEncodable)]
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-struct FortuneRow {
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- id: i32,
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- message: String,
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-}
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-
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-fn main() {
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- let r2d2_config = r2d2::Config::default();
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- let pg_conn_manager = PostgresConnectionManager::new(
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- "postgres://benchmarkdbuser:benchmarkdbpass@tfb-database/hello_world",
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- TlsMode::None,
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- )
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- .unwrap();
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- let pool = r2d2::Pool::new(r2d2_config, pg_conn_manager).unwrap();
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- let template = mustache::compile_str(
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- "<!DOCTYPE html>
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- <html> <head><title>Fortunes</title></head>
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- <body> <table>
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- <tr><th>id</th><th>message</th></tr>
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- {{#.}} <tr><td>{{id}}</td><td>{{message}}</td></tr>
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- {{/.}}
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- </table> </body> </html>",
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- )
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- .unwrap();
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-
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- let mut cached_rows: Vec<DatabaseRow> = Vec::with_capacity(10000);
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- let conn = pool.get().unwrap();
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-
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- for num in 1..10000 {
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- let rows = &conn
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- .query("SELECT id, randomnumber FROM World WHERE id = $1", &[&num])
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- .unwrap();
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- let row = rows.get(0);
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- cached_rows.push(DatabaseRow {
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- id: row.get(0),
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- randomNumber: row.get(1),
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- });
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- }
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-
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- let app = router!(
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- json: get "/json" => json_handler,
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- single_db_query: get "/db" => single_db_query_handler,
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- plaintext: get "/plaintext" => plaintext_handler,
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- queries: get "/queries" => queries_handler,
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- cachedworlds: get "/cached-worlds" => cached_queries_handler,
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- fortune: get "/fortune" => fortune_handler,
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- updates: get "/updates" => updates_handler
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- );
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- let mut middleware = Chain::new(app);
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- middleware.link(Read::<DbPool>::both(pool));
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- middleware.link(Read::<FortuneTemplate>::both(template));
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- middleware.link(Read::<CachedRows>::both(cached_rows));
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-
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- println!("Starting server...");
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- Iron::new(middleware).http("0.0.0.0:8080").unwrap();
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-}
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-
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-fn json_handler(_: &mut Request) -> IronResult<Response> {
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- let message: Message = Message {
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- message: "Hello, World!".to_owned(),
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- };
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- let content_type = Header(ContentType::json());
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- let server = Header(Server("Iron".to_owned()));
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- Ok(Response::with((
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- status::Ok,
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- serde_json::to_string(&message).unwrap(),
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- content_type,
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- server,
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- )))
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-}
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-
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-fn plaintext_handler(_: &mut Request) -> IronResult<Response> {
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- let server = Header(Server("Iron".to_owned()));
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- Ok(Response::with((status::Ok, "Hello, World!", server)))
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-}
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-
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-fn single_db_query_handler(req: &mut Request) -> IronResult<Response> {
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- let content_type = Header(ContentType::json());
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- let server = Header(Server("Iron".to_owned()));
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- let pool = req.get::<Read<DbPool>>().unwrap();
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- let conn = pool.get().unwrap();
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- let row = random_row(conn);
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- Ok(Response::with((
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- status::Ok,
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- serde_json::to_string(&row).unwrap(),
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- server,
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- content_type,
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- )))
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-}
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-
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-fn queries_handler(req: &mut Request) -> IronResult<Response> {
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- let content_type = Header(ContentType::json());
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- let server = Header(Server("Iron".to_owned()));
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- let pool = req.get::<Read<DbPool>>().unwrap();
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- let query = req.url.query().unwrap();
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- let param = match get_param(query, "queries") {
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- Some(n) => match n.parse::<usize>() {
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- Ok(m) => match m {
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- e @ 1...500 => e,
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- e if e > 500 => 500,
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- _ => 1,
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- },
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- _ => 1,
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- },
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- _ => 1,
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- };
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- let mut res: Vec<DatabaseRow> = Vec::with_capacity(param);
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- for _ in 0..param {
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- let conn = pool.get().unwrap();
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- res.push(random_row(conn))
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- }
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- Ok(Response::with((
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- status::Ok,
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- serde_json::to_string(&res).unwrap(),
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- server,
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- content_type,
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- )))
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-}
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-
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-fn cached_queries_handler(req: &mut Request) -> IronResult<Response> {
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- let content_type = Header(ContentType::json());
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- let server = Header(Server("Iron".to_owned()));
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- let cached_rows = req.get::<Read<CachedRows>>().unwrap().to_owned();
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- let query = req.url.query().unwrap();
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- let param = match get_param(query, "queries") {
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- Some(n) => match n.parse::<usize>() {
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- Ok(m) => match m {
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- e @ 1...500 => e,
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- e if e > 500 => 500,
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- _ => 1,
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- },
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- _ => 1,
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- },
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- _ => 1,
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- };
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-
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- let mut res: Vec<DatabaseRow> = Vec::with_capacity(param);
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- for _ in 0..param {
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- let mut rng = rand::thread_rng();
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- let between = Range::new(1, 10000);
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- let num = between.ind_sample(&mut rng);
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- res.push(cached_rows[num].to_owned())
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- }
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- Ok(Response::with((
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- status::Ok,
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- serde_json::to_string(&res).unwrap(),
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- server,
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- content_type,
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- )))
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-}
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-
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-fn fortune_handler(req: &mut Request) -> IronResult<Response> {
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- let content_type = Header(ContentType::html());
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- let server = Header(Server("Iron".to_owned()));
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- let template = req.get::<Read<FortuneTemplate>>().unwrap();
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- let pool = req.get::<Read<DbPool>>().unwrap();
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- let conn = pool.get().unwrap();
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- let query_res = &conn.query("SELECT id, message FROM Fortune", &[]).unwrap();
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- let query_res_iter = query_res.iter();
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- let mut rows: Vec<FortuneRow> = query_res_iter
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- .map(|row| FortuneRow {
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- id: row.get(0),
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- message: row.get(1),
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- })
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- .collect();
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- rows.push(FortuneRow {
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- id: 0,
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- message: "Additional fortune added at request time.".to_string(),
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- });
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- rows.sort_by(|it, next| it.message.cmp(&next.message));
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- let mut res = vec![];
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- template.render(&mut res, &rows).unwrap();
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- Ok(Response::with((status::Ok, res, server, content_type)))
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-}
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-
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-fn updates_handler(req: &mut Request) -> IronResult<Response> {
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- let mut rng = rand::thread_rng();
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- let between = Range::new(1, 10000);
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- let content_type = Header(ContentType::json());
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- let server = Header(Server("Iron".to_owned()));
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- let pool = req.get::<Read<DbPool>>().unwrap();
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- let query = req.url.query().unwrap();
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- let param = match get_param(query, "queries") {
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- Some(n) => match n.parse::<usize>() {
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- Ok(m) => match m {
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- e @ 1...500 => e,
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- e if e > 500 => 500,
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- _ => 1,
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- },
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- _ => 1,
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- },
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- _ => 1,
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- };
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- let mut dbres: Vec<DatabaseRow> = Vec::with_capacity(param);
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- for _ in 0..param {
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- let conn = pool.get().unwrap();
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- dbres.push(random_row(conn))
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- }
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- let conn = pool.get().unwrap();
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- let trans = conn.transaction().unwrap();
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- // Sorting guarantees no deadlocks between multiple concurrent threads
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- dbres.sort_by_key(|it| it.id);
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- let mut res: Vec<DatabaseRow> = Vec::with_capacity(param);
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- for row in dbres {
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- let num = between.ind_sample(&mut rng);
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- trans
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- .execute(
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- "UPDATE World SET randomnumber = $1 WHERE id = $2",
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- &[&num, &row.id],
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- )
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- .unwrap();
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- res.push(DatabaseRow {
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- id: row.id,
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- randomNumber: num,
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- })
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- }
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- trans.commit().unwrap();
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- Ok(Response::with((
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- status::Ok,
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- serde_json::to_string(&res).unwrap(),
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- server,
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- content_type,
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- )))
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-}
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-
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-fn random_row(conn: r2d2::PooledConnection<PostgresConnectionManager>) -> DatabaseRow {
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- let mut rng = rand::thread_rng();
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- let between = Range::new(1, 10000);
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- let num = between.ind_sample(&mut rng);
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- let rows = &conn
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- .query("SELECT id, randomnumber FROM World WHERE id = $1", &[&num])
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- .unwrap();
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- let row = rows.get(0);
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- DatabaseRow {
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- id: row.get(0),
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- randomNumber: row.get(1),
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- }
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-}
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-
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-fn get_param<'a>(querystring: &'a str, param: &'a str) -> Option<&'a str> {
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- let n = querystring
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- .split("&")
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- .find(|&it| !(it.find(param).is_none()));
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- match n {
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- Some(n) => n.split("=").nth(1),
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- _ => n,
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- }
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-}
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Nate