X-Git-Url: http://git.euphorik.ch/index.cgi?a=blobdiff_plain;f=backend%2Fsrc%2Fvalheim_controller.rs;h=efad791d19252f6b4e1ff3be59a4e4f4133d7eac;hb=ae59fd67818b8db8782222bd06c76a43213f0513;hp=3fd4970a37886413cc8ecbd7cf8550be4465e0c4;hpb=aa84eb0853e2207014062877d539fca150a6d9c7;p=valheim_web.git

diff --git a/backend/src/valheim_controller.rs b/backend/src/valheim_controller.rs
index 3fd4970..efad791 100644
--- a/backend/src/valheim_controller.rs
+++ b/backend/src/valheim_controller.rs
@@ -1,15 +1,73 @@
-use sysinfo::{ ProcessExt, SystemExt };
+use sysinfo::{ComponentExt, ProcessExt, SystemExt};
 
-pub fn is_valheim_running() -> bool {
+#[derive(Debug)]
+pub struct ValheimExe {
+    memory: u64, // [kB].
+    load_average_5min: f64, // [%].
+    uptime: u64, // [s].
+    world_size: u64, // [B].
+}
+
+impl ValheimExe {
+    pub fn format_memory(&self) -> String {
+        format_byte_size(self.memory * 1024, 2)
+    }
+    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;
+        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)
+    }
+}
+
+const BINARY_PREFIXES: [&str; 8] = ["B", "KiB", "MiB", "GiB", "TiB", "PiB", "EiB", "ZiB"];
+
+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;
+        }
+
+        if bytes < 1024 {
+            return format!("{} {}", std::cmp::max(0u64, bytes), BINARY_PREFIXES[i]);
+        }
+        else if bytes < 1024 * size {
+            return format!("{:.prec$} {}", bytes as f64 / size as f64, BINARY_PREFIXES[i], prec = precision);
+        }
+    }
+
+    String::from("")
+}
+
+const VALHEIM_PROCESS_NAME: &str = "valheim_server";
+const VALHEIM_WORLD_PATH: &str = "/home/greg/ValheimWorld/pouet.db"; // TODO: Put in conf.
+
+pub fn get_valheim_executable_information() -> Option<ValheimExe> {
     let mut system = sysinfo::System::new_all();
-    system.refresh_all();
-    let process = system.get_process_by_name("valheim_server");
+    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(VALHEIM_WORLD_PATH) { Ok(f) => f.len(), Err(_) => 0u64 };
 
-    if process.len() >= 1 {
-        println!("Valheim running");
-        true
+        Some(
+            ValheimExe {
+                memory: process.memory(),
+                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
+            }
+        )
     } else {
-        println!("Valheim not running");
-        false
+        None
     }
-}
\ No newline at end of file
+}