From 87ab07c0974ec2bd456bf48d9f5795ca892cb3e5 Mon Sep 17 00:00:00 2001
From: Tom Early <n7tae@tearly.net>
Date: Wed, 17 Oct 2018 18:23:01 -0700
Subject: [PATCH] Attempt to contact DPlus round-robin server three times

---
 DPlusAuthenticator.cpp | 16 ++++++++++++++--
 1 file changed, 14 insertions(+), 2 deletions(-)

diff --git a/DPlusAuthenticator.cpp b/DPlusAuthenticator.cpp
index 47b158e..2b51855 100644
--- a/DPlusAuthenticator.cpp
+++ b/DPlusAuthenticator.cpp
@@ -22,6 +22,8 @@
 #include <cstdio>
 #include <cctype>
 #include <cstring>
+#include <thread>
+#include <chrono>
 #include <sys/types.h>
 #include <sys/socket.h>
 #include <netdb.h>
@@ -54,8 +56,18 @@ bool CDPlusAuthenticator::Process(std::map<std::string, std::string> &gwy_map, c
 
     int result = getaddrinfo(m_address.c_str(), NULL, &hints, &infoptr);
     if (result) {
-        fprintf(stderr, "getaddrinfo: %s\n", gai_strerror(result));
-        return false;
+        fprintf(stderr, "1st attempt: getaddrinfo: %s\n", gai_strerror(result));
+		std::this_thread::sleep_for(std::chrono::milliseconds(500));
+        result = getaddrinfo(m_address.c_str(), NULL, &hints, &infoptr);
+		if (result) {
+			fprintf(stderr, "2nd attempt: getaddrinfo: %s\n", gai_strerror(result));
+			std::this_thread::sleep_for(std::chrono::milliseconds(1000));
+	        result = getaddrinfo(m_address.c_str(), NULL, &hints, &infoptr);
+			if (result) {
+				fprintf(stderr, "3rd attempt: getaddrinfo: %s\n", gai_strerror(result));
+				return false;
+			}
+		}
     }
 
     struct addrinfo *p;