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};
@@ -25,8 +25,22 @@ type Result<T> = std::result::Result<T, Box<dyn std::error::Error>>;
 
 const LOG_MIN_LEVEL: Level = Level::Trace;
 const LOG_TAG: &str = ".native.talari";
-const API_ID: i32 = 0;
-const API_HASH: &str = "";
+const API_ID: i32 = {
+    let mut index = 0;
+    let mut value = 0;
+    let api_id = env!("TALARIA_API_ID");
+    let bytes = api_id.as_bytes();
+    while index < bytes.len() {
+        match bytes[index] {
+            b @ b'0'..=b'9' => value = value * 10 + (b - b'0') as i32,
+            _ => panic!("non-digit character found in API ID"),
+        }
+        index += 1
+    }
+    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();
@@ -101,7 +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?;