Add env var to support connecting to test servers

native/src/lib.rs

@@ -4,7 +4,7 @@
 mod db;
 
 use grammers_client::types::{Dialog, LoginToken};
-use grammers_client::{Client, Config};
+use grammers_client::{Client, Config, InitParams};
 use grammers_session::{PackedChat, Session, UpdateState};
 use jni::objects::{JObject, JString};
 use jni::sys::{jboolean, jint, jlong, jstring};
@@ -40,6 +40,7 @@ const API_ID: i32 = {
     value
 };
 const API_HASH: &str = env!("TALARIA_API_HASH");
+const SERVER_ADDR: &str = env!("TALARIA_SERVER_ADDR");
 
 static RUNTIME: OnceCell<Runtime> = OnceCell::new();
 static CLIENT: OnceCell<Client> = OnceCell::new();
@@ -114,7 +115,14 @@ async fn init_client() -> Result<()> {
         session,
         api_id: API_ID,
         api_hash: API_HASH.to_string(),
-        params: Default::default(),
+        params: InitParams {
+            server_addr: if SERVER_ADDR.is_empty() {
+                None
+            } else {
+                Some(SERVER_ADDR.parse().unwrap())
+            },
+            ..Default::default()
+        },
     })
     .await?;