From c65f34048c70fcb85544747d7703c1e06c1e2826 Mon Sep 17 00:00:00 2001
From: Paolo Rechia <paolorechia@gmail.com>
Date: Wed, 10 Jan 2024 08:17:08 +0100
Subject: [PATCH] Example serving JSON

---
 steeldb-server/Cargo.toml  |  4 +++-
 steeldb-server/src/main.rs | 18 +++++++++++++++++-
 2 files changed, 20 insertions(+), 2 deletions(-)

diff --git a/steeldb-server/Cargo.toml b/steeldb-server/Cargo.toml
index ddb2e85..4fa9b7d 100644
--- a/steeldb-server/Cargo.toml
+++ b/steeldb-server/Cargo.toml
@@ -10,4 +10,6 @@ hyper = { version = "1", features = ["full"]}
 tokio = { version = "1", features = ["full"]}
 http-body-util = {version = "0.1"}
 hyper-util = { version = "0.1", features = ["full"]}
-steeldb = { path = ".."}
\ No newline at end of file
+steeldb = { path = ".."}
+serde = { version = "1.0.195", features = ["derive"]}
+serde_json = "1.0.111"
diff --git a/steeldb-server/src/main.rs b/steeldb-server/src/main.rs
index e5b5014..31dd9dd 100644
--- a/steeldb-server/src/main.rs
+++ b/steeldb-server/src/main.rs
@@ -1,3 +1,4 @@
+use serde::{Deserialize, Serialize};
 use std::convert::Infallible;
 use std::net::SocketAddr;
 
@@ -9,8 +10,23 @@ use hyper::{Request, Response};
 use hyper_util::rt::TokioIo;
 use tokio::net::TcpListener;
 
+#[derive(Deserialize, Serialize, Debug)]
+struct HelloJSON {
+    hello: String,
+}
+
 async fn hello(_: Request<hyper::body::Incoming>) -> Result<Response<Full<Bytes>>, Infallible> {
-    Ok(Response::new(Full::new(Bytes::from("Hello, World!"))))
+    let hello_response = HelloJSON {
+        hello: "world!".to_owned(),
+    };
+    let desserialized = serde_json::to_string(&hello_response).unwrap();
+    let response = Response::builder()
+        .header("Content-Type", "application/json")
+        .header("content-length", desserialized.len())
+        .body(desserialized.into())
+        .unwrap();
+
+    Ok(response)
 }
 
 #[tokio::main]