WASM

example-usage/server/src/clients.rs

@@ -0,0 +1,21 @@
+use std::collections::HashMap;
+use std::fs;
+use std::sync::{Arc, Mutex};
+
+use mtp::crypto::PublicKeyBundle;
+
+pub fn load_client_db(
+    path: &str,
+) -> Result<(Arc<Mutex<HashMap<u64, PublicKeyBundle>>>, Arc<Mutex<u64>>), Box<dyn std::error::Error>>
+{
+    let clients: Arc<Mutex<HashMap<u64, PublicKeyBundle>>> =
+        Arc::new(Mutex::new(if let Ok(data) = fs::read_to_string(path) {
+            serde_json::from_str(&data).unwrap_or_default()
+        } else {
+            HashMap::new()
+        }));
+    let next_id = Arc::new(Mutex::new(
+        clients.lock().unwrap().keys().max().unwrap_or(&999) + 1,
+    ));
+    Ok((clients, next_id))
+}