feat: #12 start impl router

src/http/mod.rs

@@ -1,7 +1,9 @@
-//! handlers module includes tools to parse an HTTP request and build and HTTP response
+//! http module includes tools to parse an HTTP request and build and HTTP response
 
 pub mod request;
 pub mod response;
+pub mod router;
 
-pub use request::handle_request;
+pub use request::{handle_request, HTTPRequest};
-pub use response::HTTPResponse;
+pub use response::{HTTPResponse, HTTPStatusCode};
+pub use router::ROUTER;

src/http/response.rs

@@ -10,7 +10,8 @@ use json;
 use crate::stores::FileStore;
 use crate::stores::Store;
 
-enum HTTPStatusCode {
+#[derive(Debug, PartialEq)]
+pub enum HTTPStatusCode {
     Http200,
     Http400,
     Http403,
@@ -56,12 +57,16 @@ impl HTTPStatusLine {
     fn set_status_code(&mut self, code: HTTPStatusCode) {
         self.status_code = code;
     }
+
+    pub fn get_status_code(&self) -> &HTTPStatusCode {
+        &self.status_code
+    }
 }
 
 /// represents an HTTP response (headers are not parsed)
 /// NOTE: for simplicity, only JSON body are accepted
 pub struct HTTPResponse {
-    status_line: HTTPStatusLine,
+    pub status_line: HTTPStatusLine,
     body: json::JsonValue,
 }
 

src/http/router.rs

@@ -0,0 +1,34 @@
+//! router aims to handle correctly the request corresponding to the target
+
+use super::{HTTPRequest, HTTPResponse, HTTPStatusCode};
+use lazy_static::lazy_static;
+
+// TODO: this must be set in a config file (type might be changed)
+const HTTP_TARGETS: &[&'static str; 3] = &["/validate/", "/get/", "/refresh/"];
+
+pub struct Router<'a> {
+    routes: &'a [&'static str],
+}
+
+// assuming a static lifetime
+impl Router<'_> {
+    pub fn route(&self, request_str: &str) -> HTTPResponse {
+        HTTPResponse::default()
+    }
+}
+
+pub const ROUTER: Router = Router {
+    routes: HTTP_TARGETS,
+};
+
+#[test]
+fn test_route() {
+    let router: &Router = &ROUTER;
+    let request_str = "POST /get/ HTTP/1.1\r\n\r\n";
+
+    let response: HTTPResponse = router.route(request_str);
+    assert_eq!(
+        &HTTPStatusCode::Http400,
+        response.status_line.get_status_code()
+    );
+}

src/main.rs

@@ -6,7 +6,7 @@ use tokio::{
     net::{TcpListener, TcpStream},
 };
 
-use http::{handle_request, HTTPResponse};
+use http::{handle_request, HTTPResponse, ROUTER};
 
 const SERVER_URL: &str = "127.0.0.1:9000";