From 1e564b6ad1af95eec3e57fb406f4fce4b508f6ca Mon Sep 17 00:00:00 2001
From: Greyson Parrelli <greyson@signal.org>
Date: Mon, 29 Apr 2019 16:59:48 -0700
Subject: [PATCH] Fix exponential backoff retry limits.

---
 .../thoughtcrime/securesms/jobmanager/JobController.java    | 6 +++++-
 1 file changed, 5 insertions(+), 1 deletion(-)

diff --git a/src/org/thoughtcrime/securesms/jobmanager/JobController.java b/src/org/thoughtcrime/securesms/jobmanager/JobController.java
index ff6a1be79e..d9f910ba91 100644
--- a/src/org/thoughtcrime/securesms/jobmanager/JobController.java
+++ b/src/org/thoughtcrime/securesms/jobmanager/JobController.java
@@ -344,7 +344,11 @@ class JobController {
   }
 
   private long calculateNextRunAttemptTime(long currentTime, int nextAttempt, long maxBackoff) {
-    return currentTime  + Math.min((long) Math.pow(2, nextAttempt) *  1000, maxBackoff);
+    int  boundedAttempt     = Math.min(nextAttempt, 30);
+    long exponentialBackoff = (long) Math.pow(2, boundedAttempt) * 1000;
+    long actualBackoff      = Math.min(exponentialBackoff, maxBackoff);
+
+    return currentTime + actualBackoff;
   }
 
   interface Callback {