+const STRING_BEFORE_CHARACTER_NAME: &str = "Got character ZDOID from";\r
+const STRING_BEFORE_NB_OF_CONNECTIONS: &str = "Connections";\r
+\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 = -1i32;\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(STRING_BEFORE_CHARACTER_NAME) {\r
+ let character_str = mess.get(pos+STRING_BEFORE_CHARACTER_NAME.len()+1..).unwrap();\r
+ if let Some(pos_end) = character_str.find(" : ") {\r
+ let player_name = String::from(character_str.get(0..pos_end).unwrap());\r
+ if !players.contains(&player_name) {\r
+ players.push(player_name);\r
+ if players.len() as i32 == number_of_connections {\r
+ return players;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ else if let Some(pos) = mess.find(STRING_BEFORE_NB_OF_CONNECTIONS) {\r
+ let nb_of_connections_str = mess.get(pos+STRING_BEFORE_NB_OF_CONNECTIONS.len()+1..).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
+ if number_of_connections == -1 {\r
+ number_of_connections = n as i32\r
+\r
+ if players.len() as i32 >= number_of_connections {\r
+ return players;\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+ }\r
+ },\r
+ _ => return players\r
+ }\r
+ }\r
+}\r
+\r
+#[cfg(target_os = "windows")]\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