avoid resending async ack packet if sync acked

gioblu · Mar 31, 2017 · 0bfb888 · 0bfb888
1 parent b44a295
commit 0bfb888
Showing 1 changed file with 6 additions and 3 deletions.
diff --git a/PJON.h b/PJON.h
@@ -887,16 +887,19 @@ limitations under the License. */
 
           bool async_ack = (packets[i].content[1] & PJON_ACK_MODE_BIT) &&
             (packets[i].content[1] & PJON_TX_INFO_BIT);
+          bool sync_ack = (packets[i].content[1] & PJON_ACK_REQ_BIT);
 
           if(
             (uint32_t)(PJON_MICROS() - packets[i].registration) >
             (uint32_t)(
               packets[i].timing +
               strategy.back_off(packets[i].attempts)
             )
-          ) packets[i].state =
+          ) {
-            send_packet(packets[i].content, packets[i].length);
+            if(!(sync_ack && async_ack && packets[i].state == PJON_ACK))
-          else continue;
+              packets[i].state = // Avoid resending sync-acked async ack packets
+                send_packet(packets[i].content, packets[i].length);
+          } else continue;
 
           packets[i].attempts++;