X-Git-Url: http://git.euphorik.ch/index.cgi?a=blobdiff_plain;f=backend%2Fsrc%2Fvalheim_controller.rs;h=72eb60ef72daeebf3039f232a2dd0880d56f16d0;hb=e4843b60da657b286c9a6fe56a117fb7a1c58ef3;hp=2ce5ea4f4caf4ea2f88c9e99495f8110205a4277;hpb=7ebb570a4a158743200d0f5e53ab44ee823516f0;p=valheim_web.git

diff --git a/backend/src/valheim_controller.rs b/backend/src/valheim_controller.rs
index 2ce5ea4..72eb60e 100644
--- a/backend/src/valheim_controller.rs
+++ b/backend/src/valheim_controller.rs
@@ -1,25 +1,54 @@
-use std::cmp::min;
-
 use sysinfo::{ ProcessExt, SystemExt };
 
-#[derive(Debug)]
+use std::{ fs, time::SystemTime };
+
+use chrono::{ DateTime, offset::Local };
+
+#[cfg(target_os = "linux")]
+use systemd::journal;
+
+#[derive(Clone, Debug)]
 pub struct ValheimExe {
     memory: u64, // [kB].
-    cpu_usage: f32, // [%].
+    load_average_5min: f64, // [%].
     uptime: u64, // [s].
+    world_size: u64, // [B].
+    nb_of_players: u32,
+    last_backup: Option<SystemTime>,
 }
 
 impl ValheimExe {
     pub fn format_memory(&self) -> String {
         format_byte_size(self.memory * 1024, 2)
     }
-    pub fn format_cpu_usage(&self) -> String {
-        format!("{:.2} %", self.cpu_usage)
+
+    pub fn format_load_average(&self) -> String {
+        format!("{:.2} %", self.load_average_5min)
     }
+
     pub fn format_uptime(&self) -> String {
         let mins = self.uptime / 60;
         let hours = mins / 60;
-        format!("{}h{}min", hours, mins - 60 * hours)
+        let days = hours / 24;
+        format!("{}d{}h{}min", days, hours - 24 * days, mins - 60 * hours)
+    }
+
+    pub fn format_world_size(&self) -> String {
+        format_byte_size(self.world_size, 2)
+    }
+
+    pub fn get_nb_of_player(&self) -> u32 {
+        self.nb_of_players
+    }
+
+    pub fn format_last_backup(&self) -> String {
+        match self.last_backup {
+            Some(t) => {
+                let datetime: DateTime<Local> = t.into();
+                datetime.format("%d/%m/%Y %T").to_string()
+            },
+            None => String::from("?")
+        }
     }
 }
 
@@ -28,9 +57,7 @@ const BINARY_PREFIXES: [&str; 8] = ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB
 fn format_byte_size(bytes: u64, precision: usize) -> String {
     for i in 0 .. 8 {
         let mut size: u64 = 1;
-        for j in 0 .. i {
-            size *= 1024;
-        }
+        size *= 1024u64.pow(i as u32);
 
         if bytes < 1024 {
             return format!("{} {}", std::cmp::max(0u64, bytes), BINARY_PREFIXES[i]);
@@ -45,22 +72,75 @@ fn format_byte_size(bytes: u64, precision: usize) -> String {
 
 const VALHEIM_PROCESS_NAME: &str = "valheim_server";
 
-pub fn get_valheim_executable_information() -> Option<ValheimExe> {
+#[cfg(target_os = "linux")]
+fn get_number_of_players() -> u32 {
+    let mut journal =
+        journal::OpenOptions::default().current_user(true).open().unwrap();
+
+    journal.seek_tail().unwrap();
+
+    loop {
+        match journal.previous_entry() {
+            Ok(Some(entry)) => {
+                if let (Some(unit), Some(mess)) = (entry.get("_SYSTEMD_UNIT"), entry.get("MESSAGE")) {
+                    if unit == "valheim.service" {
+                        if let Some(pos) = mess.find("Connections") {
+                            let nb_of_connections_str = mess.get(pos+12..).unwrap();
+                            if let Some(pos_end) = nb_of_connections_str.find(' ') {
+                                if let Ok(n) = nb_of_connections_str.get(0..pos_end).unwrap().parse() {
+                                    return n;
+                                }
+                            }
+                        }
+                    }
+                }
+            },
+            _ => return 0
+        }
+    }
+}
+
+#[cfg(target_os = "windows")]
+fn get_number_of_players() -> u32 {
+    0
+}
+
+fn get_last_backup_datetime(backup_path: &str) -> Option<SystemTime> {
+    let mut times =
+        fs::read_dir(backup_path).ok()?.filter_map(
+            |e| {
+                let dir = e.ok()?;
+                if dir.path().is_file() { Some(dir.metadata().ok()?.modified().ok()?) } else { None }
+            }
+        )
+        .collect::<Vec<SystemTime>>();
+
+    times.sort();
+
+    Some(times.last()?.clone())
+}
+
+pub fn get_valheim_executable_information(world_path: &str, backup_path: &str) -> Option<ValheimExe> {
     let mut system = sysinfo::System::new_all();
-    system.refresh_all();
+    system.refresh_system();
     let processes = system.get_process_by_name(VALHEIM_PROCESS_NAME);
 
     if processes.len() >= 1 {
         let process = processes.first().unwrap();
 
+        let world_size = match std::fs::metadata(world_path) { Ok(f) => f.len(), Err(_) => 0u64 };
+
         Some(
             ValheimExe {
                 memory: process.memory(),
-                cpu_usage: process.cpu_usage(),
-                uptime: std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).unwrap().as_secs() - process.start_time()
+                load_average_5min: system.get_load_average().five / system.get_processors().len() as f64 * 100.,
+                uptime: std::time::SystemTime::now().duration_since(std::time::UNIX_EPOCH).unwrap().as_secs() - process.start_time(),
+                world_size,
+                nb_of_players: get_number_of_players(),
+                last_backup: get_last_backup_datetime(backup_path)
             }
         )
     } else {
         None
     }
-}
\ No newline at end of file
+}