From 0a1a08a1a56b498396f3a74a167ab7b600fc3571 Mon Sep 17 00:00:00 2001
From: Jordan Sherer <jordan@widefido.com>
Date: Fri, 7 Sep 2018 10:22:36 -0400
Subject: [PATCH] Added random delay to APRS packet submission

---
 APRSISClient.cpp | 6 ++++++
 APRSISClient.h   | 1 +
 2 files changed, 7 insertions(+)

diff --git a/APRSISClient.cpp b/APRSISClient.cpp
index 7b43dbb..d0b587e 100644
--- a/APRSISClient.cpp
+++ b/APRSISClient.cpp
@@ -260,6 +260,12 @@ void APRSISClient::processQueue(bool disconnect){
         auto frame = pair.first;
         auto timestamp = pair.second;
 
+        // random delay 50% of the time for throttling (a skip will add 60 seconds to the processing time)
+        if(qrand() % 100 <= 50){
+            qDebug() << "APRSISClient Throttle: Skipping Frame";
+            continue;
+        }
+
         // if the packet is older than the timeout, drop it.
         if(timestamp.secsTo(QDateTime::currentDateTimeUtc()) > PACKET_TIMEOUT_SECONDS){
             qDebug() << "APRSISClient Packet Timeout:" << frame;
diff --git a/APRSISClient.h b/APRSISClient.h
index 3e7a59e..bdad128 100644
--- a/APRSISClient.h
+++ b/APRSISClient.h
@@ -1,6 +1,7 @@
 #ifndef APRSISCLIENT_H
 #define APRSISCLIENT_H
 
+#include <QtGlobal>
 #include <QDateTime>
 #include <QTcpSocket>
 #include <QQueue>