reorganize snapshot stats, implement detailed summary

src/main.rs

@@ -11,14 +11,14 @@ use list::List;
 use log::*;
 use opt::{AuthMode, Opt};
 use rocket::{State, http::Status, serde::json::Json};
-use stats::{Snapshot, Total};
+use stats::{Snap, Total};
 use std::{future::Future, sync::Arc};
 use structopt::StructOpt;
 use tokio::{net::TcpListener, task};
 
 #[rocket::get("/")]
-async fn index(totals: &State<Arc<Total>>) -> Json<Snapshot> {
-    Json(totals.inner().snapshot())
+async fn index(totals: &State<Arc<Total>>) -> Json<Snap> {
+    Json(totals.inner().snap())
 }
 
 #[rocket::get("/allow/<rule>")]

src/stats.rs

@@ -1,13 +1,8 @@
-use rocket::serde::Serialize;
+mod snap;
+
 use std::sync::atomic::{AtomicU64, Ordering};
 
-#[derive(Serialize)]
-pub struct Snapshot {
-    pub request: u64,
-    pub blocked: u64,
-    pub entries: u64,
-    pub percent: f32,
-}
+pub use snap::Snap;
 
 #[derive(Default)]
 pub struct Total {
@@ -23,19 +18,12 @@ impl Total {
             ..Self::default()
         }
     }
-    pub fn snapshot(&self) -> Snapshot {
-        let request = self.request.load(Ordering::Relaxed);
-        let blocked = self.blocked.load(Ordering::Relaxed);
-        Snapshot {
-            request,
-            blocked,
-            entries: self.entries.load(Ordering::Relaxed),
-            percent: if request > 0 {
-                blocked as f32 * 100.0 / request as f32
-            } else {
-                0.0
-            },
-        }
+    pub fn snap(&self) -> Snap {
+        Snap::shot(
+            self.entries.load(Ordering::Relaxed),
+            self.request.load(Ordering::Relaxed),
+            self.blocked.load(Ordering::Relaxed),
+        )
     }
     pub fn set_entries(&self, value: u64) {
         self.entries.store(value, Ordering::Relaxed);

src/stats/snap.rs

@@ -0,0 +1,35 @@
+use rocket::serde::Serialize;
+
+#[derive(Serialize)]
+pub struct Sum {
+    total: u64,
+    percent: f32,
+}
+
+#[derive(Serialize)]
+pub struct Snap {
+    rules: u64,
+    request: Sum,
+    blocked: Sum,
+}
+
+impl Snap {
+    pub fn shot(rules: u64, request: u64, blocked: u64) -> Self {
+        let blocked_percent = if request > 0 {
+            blocked as f32 * 100.0 / request as f32
+        } else {
+            0.0
+        };
+        Self {
+            rules,
+            request: Sum {
+                total: request,
+                percent: 100.0 - blocked_percent,
+            },
+            blocked: Sum {
+                total: blocked,
+                percent: blocked_percent,
+            },
+        }
+    }
+}