Show player names (WIP)

[valheim_web.git] / backend / src / valheim_controller.rs

diff --git a/backend/src/valheim_controller.rs b/backend/src/valheim_controller.rs
index 3c2bab6..0aa92de 100644 (file)
--- a/backend/src/valheim_controller.rs
+++ b/backend/src/valheim_controller.rs
@@ -1,6 +1,10 @@
 use sysinfo::{ ProcessExt, SystemExt };\r
 \r
-#[cfg(target_os = "unix")]\r
+use std::{ fs, time::SystemTime };\r
+\r
+use chrono::{ DateTime, offset::Local };\r
+\r
+#[cfg(target_os = "linux")]\r
 use systemd::journal;\r
 \r
 #[derive(Clone, Debug)]\r
@@ -9,7 +13,8 @@ pub struct ValheimExe {
     load_average_5min: f64, // [%].\r
     uptime: u64, // [s].\r
     world_size: u64, // [B].\r
-    nb_of_players: u32,\r
+    active_players: Vec<String>,\r
+    last_backup: Option<SystemTime>,\r
 }\r
 \r
 impl ValheimExe {\r
@@ -25,15 +30,25 @@ impl ValheimExe {
         let mins = self.uptime / 60;\r
         let hours = mins / 60;\r
         let days = hours / 24;\r
-        format!("{}d{}h{}min", days, hours - 24 * days, mins - 60 * hours)\r
+        format!("{}d {}h {}min", days, hours - 24 * days, mins - 60 * hours)\r
     }\r
 \r
     pub fn format_world_size(&self) -> String {\r
         format_byte_size(self.world_size, 2)\r
     }\r
 \r
-    pub fn get_nb_of_player(&self) -> u32 {\r
-        self.nb_of_players\r
+    pub fn format_active_players(&self) -> String {\r
+        self.active_players.join(", ")\r
+    }\r
+\r
+    pub fn format_last_backup(&self) -> String {\r
+        match self.last_backup {\r
+            Some(t) => {\r
+                let datetime: DateTime<Local> = t.into();\r
+                datetime.format("%d/%m/%Y %T").to_string()\r
+            },\r
+            None => String::from("?")\r
+        }\r
     }\r
 }\r
 \r
@@ -57,40 +72,74 @@ fn format_byte_size(bytes: u64, precision: usize) -> String {
 \r
 const VALHEIM_PROCESS_NAME: &str = "valheim_server";\r
 \r
-#[cfg(target_os = "unix")]\r
-fn get_number_of_players() -> u32 {\r
+#[cfg(target_os = "linux")]\r
+fn get_active_players() -> Vec<String> {\r
     let mut journal =\r
         journal::OpenOptions::default().current_user(true).open().unwrap();\r
 \r
     journal.seek_tail().unwrap();\r
 \r
+    let mut number_of_connections = -1;\r
+    let mut players : Vec<String> = Vec::new();\r
+\r
     loop {\r
         match journal.previous_entry() {\r
             Ok(Some(entry)) => {\r
                 if let (Some(unit), Some(mess)) = (entry.get("_SYSTEMD_UNIT"), entry.get("MESSAGE")) {\r
                     if unit == "valheim.service" {\r
-                        if let Some(pos) = mess.find("Connections") {\r
+                        //"Got character ZDOID from {}"\r
+                        if let Some(pos) = mess.find("Got character ZDOID from") {\r
+                            let character_str = mess.get(pos+25..).unwrap();\r
+                            if let Some(pos_end) = character_str.find(" : ") {\r
+                                let player_name = String::from(character_str.get(0..pos_end));\r
+                                if !players.contains(player_name) {\r
+                                    players.push(player_name);\r
+                                    if players.len() == number_of_connections {\r
+                                        return players;\r
+                                    }\r
+                                }\r
+                            }\r
+                        }\r
+                        else if let Some(pos) = mess.find("Connections") {\r
                             let nb_of_connections_str = mess.get(pos+12..).unwrap();\r
                             if let Some(pos_end) = nb_of_connections_str.find(' ') {\r
                                 if let Ok(n) = nb_of_connections_str.get(0..pos_end).unwrap().parse() {\r
-                                    return n;\r
+                                    number_of_connections = n;\r
+                                    if players.len() >= number_of_connections {\r
+                                        return players;\r
+                                    }\r
                                 }\r
                             }\r
                         }\r
                     }\r
                 }\r
             },\r
-            _ => return 0\r
+            _ => return players\r
         }\r
     }\r
 }\r
 \r
 #[cfg(target_os = "windows")]\r
-fn get_number_of_players() -> u32 {\r
-    0\r
+fn get_active_players() -> Vec<String> {\r
+    Vec::new()\r
+}\r
+\r
+fn get_last_backup_datetime(backup_path: &str) -> Option<SystemTime> {\r
+    let mut times =\r
+        fs::read_dir(backup_path).ok()?.filter_map(\r
+            |e| {\r
+                let dir = e.ok()?;\r
+                if dir.path().is_file() { Some(dir.metadata().ok()?.modified().ok()?) } else { None }\r
+            }\r
+        )\r
+        .collect::<Vec<SystemTime>>();\r
+\r
+    times.sort();\r
+\r
+    Some(times.last()?.clone())\r
 }\r
 \r
-pub fn get_valheim_executable_information(world_path : &str) -> Option<ValheimExe> {\r
+pub fn get_valheim_executable_information(world_path: &str, backup_path: &str) -> Option<ValheimExe> {\r
     let mut system = sysinfo::System::new_all();\r
     system.refresh_system();\r
     let processes = system.get_process_by_name(VALHEIM_PROCESS_NAME);\r
@@ -106,7 +155,8 @@ pub fn get_valheim_executable_information(world_path : &str) -> Option<ValheimEx
                 load_average_5min: system.get_load_average().five / system.get_processors().len() as f64 * 100.,\r
                 uptime: std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).unwrap().as_secs() - process.start_time(),\r
                 world_size,\r
-                nb_of_players: get_number_of_players()\r
+                active_players: get_active_players(),\r
+                last_backup: get_last_backup_datetime(backup_path)\r
             }\r
         )\r
     } else {\r