reorganize stats collector

src/server/connection.rs

@@ -32,7 +32,6 @@ impl Connection {
     }
 
     pub fn handle(mut self) {
-        self.session.stats.connections.add(&self.address.client);
         let mut t = 0; // total bytes
         match self.request() {
             Ok(q) => {
@@ -40,6 +39,7 @@ impl Connection {
                     "[{}] < [{}] request `{q}`...",
                     self.address.server, self.address.client
                 ));
+                self.session.request.add(&self.address.client, &q);
                 self.session
                     .clone()
                     .public
@@ -74,8 +74,8 @@ impl Connection {
                 &if is_root {
                     self.session.template.welcome(
                         Some(s),
-                        Some(self.session.stats.connections.count()),
-                        Some(self.session.stats.connections.total()),
+                        Some(self.session.request.count()),
+                        Some(self.session.request.total()),
                     )
                 } else {
                     self.session.template.index(Some(s))

src/session.rs

@@ -1,17 +1,17 @@
 mod access_log;
 mod debug;
 mod public;
-mod stats;
+mod request;
 mod template;
 
-use {access_log::AccessLog, debug::Debug, public::Public, stats::Stats, template::Template};
+use {access_log::AccessLog, debug::Debug, public::Public, request::Request, template::Template};
 
 /// Shared, multi-thread features for the current server session
 pub struct Session {
     pub access_log: AccessLog,
     pub debug: Debug,
-    pub stats: Stats,
     pub public: Public,
+    pub request: Request,
     pub template: Template,
 }
 
@@ -21,11 +21,11 @@ impl Session {
         Ok(Self {
             access_log: AccessLog::init(config)?,
             debug: Debug::init(config)?,
-            stats: Stats::init(
+            public: Public::init(config)?,
+            request: Request::init(
                 // do not init `Connection` event if its features not in use
                 template.welcome.contains("{hosts}") || template.welcome.contains("{hits}"),
-            )?,
-            public: Public::init(config)?,
+            ),
             template,
         })
     }

src/session/request.rs

@@ -1,13 +1,16 @@
+mod query;
+
+use query::Query;
 use std::{
     collections::HashMap,
     net::{IpAddr, SocketAddr},
     sync::RwLock,
 };
 
-/// Count peer connections (for the current server session)
-pub struct Connections(Option<RwLock<HashMap<IpAddr, usize>>>);
+/// Collect peer requests to print stats and visitors count
+pub struct Request(Option<RwLock<HashMap<IpAddr, Vec<Query>>>>);
 
-impl Connections {
+impl Request {
     pub fn init(is_enabled: bool) -> Self {
         if is_enabled {
             Self(Some(RwLock::new(HashMap::with_capacity(100))))
@@ -16,13 +19,13 @@ impl Connections {
         }
     }
 
-    pub fn add(&self, peer: &SocketAddr) {
+    pub fn add(&self, peer: &SocketAddr, query: &str) {
         if let Some(ref this) = self.0 {
             this.write()
                 .unwrap()
                 .entry(peer.ip())
-                .and_modify(|c| *c += 1)
-                .or_insert(1);
+                .and_modify(|c| c.push(Query::new(query)))
+                .or_insert(vec![Query::new(query)]);
         }
     }
 
@@ -36,7 +39,11 @@ impl Connections {
 
     pub fn total(&self) -> usize {
         if let Some(ref this) = self.0 {
-            this.read().unwrap().values().sum()
+            let mut t = 0;
+            for c in this.read().unwrap().values() {
+                t += c.len()
+            }
+            t
         } else {
             0
         }

src/session/request/query.rs

@@ -0,0 +1,15 @@
+use std::time::SystemTime;
+
+pub struct Query {
+    pub time: SystemTime,
+    pub value: String,
+}
+
+impl Query {
+    pub fn new(value: &str) -> Self {
+        Self {
+            time: SystemTime::now(),
+            value: value.to_string(),
+        }
+    }
+}

src/session/stats.rs

@@ -1,15 +0,0 @@
-mod connections;
-use connections::Connections;
-
-pub struct Stats {
-    pub connections: Connections,
-    // another features...
-}
-
-impl Stats {
-    pub fn init(is_connection_enabled: bool) -> anyhow::Result<Self> {
-        Ok(Self {
-            connections: Connections::init(is_connection_enabled),
-        })
-    }
-}