From 02fae654a0281a196fa67149d46b9a721b2b36a7 Mon Sep 17 00:00:00 2001
From: Eric Wustrow <ewust@colorado.edu>
Date: Thu, 29 Sep 2022 13:10:39 -0600
Subject: [PATCH] Actually make sleepBeforeConnect() implement an exponential
 backoff

---
 tapdance/common.go | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/tapdance/common.go b/tapdance/common.go
index d3128f51..6a0327d9 100644
--- a/tapdance/common.go
+++ b/tapdance/common.go
@@ -5,6 +5,7 @@ import (
 	"encoding/hex"
 	"errors"
 	"fmt"
+	"math"
 	"os"
 	"strconv"
 	"time"
@@ -171,8 +172,9 @@ func WriteTlsLog(clientRandom, masterSecret []byte) error {
 
 // How much time to sleep on trying to connect to decoys to prevent overwhelming them
 func sleepBeforeConnect(attempt int) (waitTime <-chan time.Time) {
-	if attempt >= 6 { // return nil for first 6 attempts
-		waitTime = time.After(time.Second * 1)
+	if attempt >= 1 {
+		ms := math.Min(25*math.Pow(2, float64(attempt)), 15000)
+		waitTime = time.After(time.Duration(int(ms)) * time.Millisecond)
 	}
 	return
 }