From dd6b3b67deddc9908bdefaefb15dc641ccffd294 Mon Sep 17 00:00:00 2001
From: Eldrinn-Elantey <46845681+Eldrinn-Elantey@users.noreply.github.com>
Date: Mon, 5 Oct 2026 18:49:29 +0400
Subject: [PATCH] Fix battery drain from busy-polling the incoming packet queue

---
 .../src/main/java/io/openflux/app/OpenFluxTunnelService.java | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/android/app/src/main/java/io/openflux/app/OpenFluxTunnelService.java b/android/app/src/main/java/io/openflux/app/OpenFluxTunnelService.java
index 454fdf12..872b78bd 100644
--- a/android/app/src/main/java/io/openflux/app/OpenFluxTunnelService.java
+++ b/android/app/src/main/java/io/openflux/app/OpenFluxTunnelService.java
@@ -405,8 +405,11 @@ private void readOutgoingPackets(int session, FileInputStream input) {
     private void writeIncomingPackets(int session, FileOutputStream output) {
         try {
             while (isCurrent(session)) {
-                byte[] packet = Mobile.read();
+                // Blocks until a packet arrives; polling read() with a 2ms sleep
+                // woke the CPU ~500 times a second and drained the battery.
+                byte[] packet = Mobile.readTimeout(1000);
                 if (packet == null || packet.length == 0) {
+                    // readTimeout returns at once before the core is started.
                     Thread.sleep(2);
                     continue;
                 }