Merge a20e2c1 into 3cccacc

google · Jul 26, 2023 · 7029c91 · 7029c91
2 parents 3cccacc + a20e2c1
commit 7029c91
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/Source/santasyncservice/SNTSyncStage.m b/Source/santasyncservice/SNTSyncStage.m
@@ -106,9 +106,12 @@ - (NSDictionary *)performRequest:(NSURLRequest *)request timeout:(NSTimeInterval
   NSError *error;
   NSData *data;
 
-  for (int attempt = 1; attempt < 6; ++attempt) {
-    if (attempt > 1) {
-      struct timespec ts = {.tv_sec = (attempt * 2)};
+  int maxAttempts = 5;
+  for (int attempt = 1; attempt <= maxAttempts; ++attempt) {
+    if (attempt >= 2) {
+      // Exponentially back off with larger and larger delays.
+      int exponentialBackoffMultiplier = 2;  // E.g. 2^2 = 4, 2^3 = 8, 2^4 = 16...
+      struct timespec ts = {.tv_sec = pow(exponentialBackoffMultiplier, attempt)};
       nanosleep(&ts, NULL);
     }