Revert "warp-server: Move handlers and filters into submodules"

[learn-rust.git] / warp-server / src / main.rs

diff --git a/warp-server/src/main.rs b/warp-server/src/main.rs
index b23f2af1d39e2af95dc304b96264ed33dc9e457c..0664684196c3173d1b1a2361c0039cbf9b230001 100644 (file)
--- a/warp-server/src/main.rs
+++ b/warp-server/src/main.rs
@@ -1,98 +1,85 @@
-mod handlers {
-    use futures_util::{FutureExt, StreamExt, SinkExt};
+use futures_util::{FutureExt, StreamExt, SinkExt};
+use warp::Filter;
 
-    // GET /hello/warp => 200 OK with body "Hello, warp!"
-    pub async fn hello(name: String, agent: String) -> Result<impl warp::Reply, warp::Rejection> {
-        Ok(format!("Hello, {} from {}!", name, agent))
-    }
-
-    // websocat ws://127.0.0.1:3030/ws-echo
-    pub async fn ws_echo_connected(websocket: warp::ws::WebSocket) {
-        // echo all messages back
-        let (tx, rx) = websocket.split();
-        rx.forward(tx).map(|result| {
-            if let Err(e) = result {
-                log::warn!("websocket error: {:?}", e);
-            }
-        }).await;
-    }
+// GET /hello/warp => 200 OK with body "Hello, warp!"
+async fn hello(name: String, agent: String) -> Result<impl warp::Reply, warp::Rejection> {
+    Ok(format!("Hello, {} from {}!", name, agent))
+}
 
-    // websocat ws://127.0.0.1:3030/ws-rev
-    pub async fn ws_rev_connected(websocket: warp::ws::WebSocket) {
-        // echo all messages back
-        tokio::task::spawn(async {
-            let (mut tx, mut rx) = websocket.split();
-            while let Some(message) = rx.next().await {
-                let msg = match message {
-                    Ok(msg) =>  msg,
-                    Err(e) => {
-                        log::error!("websocket error: {}", e);
-                        break;
-                    }
-                };
-                log::info!("ws_rev_connected: got message: {:?}", msg);
+// websocat ws://127.0.0.1:3030/ws-echo
+async fn ws_echo_connected(websocket: warp::ws::WebSocket) {
+    // echo all messages back
+    let (tx, rx) = websocket.split();
+    rx.forward(tx).map(|result| {
+        if let Err(e) = result {
+            log::warn!("websocket error: {:?}", e);
+        }
+    }).await;
+}
 
-                if msg.is_close() {
+// websocat ws://127.0.0.1:3030/ws-rev
+async fn ws_rev_connected(websocket: warp::ws::WebSocket) {
+    // echo all messages back
+    tokio::task::spawn(async {
+        let (mut tx, mut rx) = websocket.split();
+        while let Some(message) = rx.next().await {
+            let msg = match message {
+                Ok(msg) =>  msg,
+                Err(e) => {
+                    log::error!("websocket error: {}", e);
                     break;
                 }
-                if msg.is_text() {
-                    let text = msg.to_str().unwrap();
-                    let rev = text.chars().rev().collect::<String>();
-                    if let Err(e) = tx.send(warp::ws::Message::text(rev)).await {
-                        // disconnected
-                        log::info!("peer disconnected: {}", e);
-                        break;
-                    }
+            };
+            log::info!("ws_rev_connected: got message: {:?}", msg);
+
+            if msg.is_close() {
+                break;
+            }
+            if msg.is_text() {
+                let text = msg.to_str().unwrap();
+                let rev = text.chars().rev().collect::<String>();
+                if let Err(e) = tx.send(warp::ws::Message::text(rev)).await {
+                    // disconnected
+                    log::info!("peer disconnected: {}", e);
+                    break;
                 }
-                if msg.is_binary() {
-                    let mut rev = msg.into_bytes();
-                    rev.reverse();
-                    if let Err(e) = tx.send(warp::ws::Message::binary(rev)).await {
-                        // disconnected
-                        log::info!("peer disconnected: {}", e);
-                        break;
-                    }
+            }
+            if msg.is_binary() {
+                let mut rev = msg.into_bytes();
+                rev.reverse();
+                if let Err(e) = tx.send(warp::ws::Message::binary(rev)).await {
+                    // disconnected
+                    log::info!("peer disconnected: {}", e);
+                    break;
                 }
             }
-            log::info!("ws_rev_connected ended");
-        });
-    }
+        }
+        log::info!("ws_rev_connected ended");
+    });
 }
 
-mod filters {
-    use warp::Filter;
-    use super::handlers;
+#[tokio::main]
+async fn main() {
+    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
 
-    pub fn hello() -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
-        warp::path!("hello" / String)
-            .and(warp::header::<String>("user-agent"))
-            .and_then(handlers::hello)
-    }
+    let hello = warp::path!("hello" / String)
+        .and(warp::header::<String>("user-agent"))
+        .and_then(hello);
 
-    pub fn ws_echo() -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
-        warp::path("ws-echo")
-            .and(warp::ws())
-            .map(|ws: warp::ws::Ws| { ws.on_upgrade(handlers::ws_echo_connected) })
-    }
+    let ws_echo = warp::path("ws-echo")
+        .and(warp::ws())
+        .map(|ws: warp::ws::Ws| { ws.on_upgrade(ws_echo_connected) });
 
-    pub fn ws_rev() -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
-        warp::path("ws-rev")
-            .and(warp::ws())
-            .map(|ws: warp::ws::Ws| { ws.on_upgrade(handlers::ws_rev_connected) })
-    }
+    let ws_rev = warp::path("ws-rev")
+        .and(warp::ws())
+        .map(|ws: warp::ws::Ws| { ws.on_upgrade(ws_rev_connected) });
 
-    pub fn api() -> impl Filter<Extract = impl warp::Reply, Error = warp::Rejection> + Clone {
-        hello()
-            .or(ws_echo())
-            .or(ws_rev())
-            .with(warp::log("warp-server"))
-    }
-}
+    let api = hello
+        .or(ws_echo)
+        .or(ws_rev)
+        .with(warp::log("warp-server"));
 
-#[tokio::main]
-async fn main() {
-    env_logger::Builder::from_env(env_logger::Env::default().default_filter_or("info")).init();
-    warp::serve(filters::api())
+    warp::serve(api)
         .run(([127, 0, 0, 1], 3030))
         .await;
 }