add reconnect timeout (#167)

Author: TingDaoK

sdk/pom.xml

@@ -42,7 +42,7 @@
     <dependency>
       <groupId>software.amazon.awssdk.crt</groupId>
       <artifactId>aws-crt</artifactId>
-      <version>0.13.1</version>
+      <version>0.13.2</version>
     </dependency>
     <dependency>
       <groupId>junit</groupId>

sdk/src/main/java/software/amazon/awssdk/iot/AwsIotMqttConnectionBuilder.java

@@ -263,6 +263,19 @@ public AwsIotMqttConnectionBuilder withTimeoutMs(int timeoutMs) {
         return this;
     }
 
+    /**
+     * Configures the minimum and maximum reconnect timeouts.
+     *
+     * The time between reconnect attempts will start at min and multiply by 2 until max is reached.
+     *
+     * @param minTimeoutSecs The timeout to start with
+     * @param maxTimeoutSecs The highest allowable wait time between reconnect attempts
+     */
+    public AwsIotMqttConnectionBuilder withReconnectTimeoutSecs(long minTimeoutSecs, long maxTimeoutSecs) {
+        this.config.setReconnectTimeoutSecs(minTimeoutSecs, maxTimeoutSecs);
+        return this;
+    }
+
     /**
      * Configures the common settings for the socket to use for connections created by this builder
      *