pdns-recursor 4.1.3 centos 7 x86_64 zero ttl patch

forward.conf

+.=10.10.10.1,10.10.10.2

pdns-recursor-zero-ttl.patch

--- pdns-recursor-4.1.3/syncres.cc.orig 2018-11-27 13:51:13.223002628 +0300
+++ pdns-recursor-4.1.3/syncres.cc      2018-11-27 13:53:06.996002787 +0300
@@ -2434,13 +2434,9 @@
         // mark server as down
         t_sstorage.throttle.throttle(d_now.tv_sec, boost::make_tuple(remoteIP, "", 0), s_serverdownthrottletime, 10000);
       }
-      else if (resolveret == -1) {
-        // unreachable, 1 minute or 100 queries
-        t_sstorage.throttle.throttle(d_now.tv_sec, boost::make_tuple(remoteIP, qname, qtype.getCode()), 60, 100);
-      }
       else {
         // timeout
-        t_sstorage.throttle.throttle(d_now.tv_sec, boost::make_tuple(remoteIP, qname, qtype.getCode()), 10, 5);
+        t_sstorage.throttle.throttle(d_now.tv_sec, boost::make_tuple(remoteIP, qname, qtype.getCode()), s_serverdownthrottletime, s_serverdownmaxfails);
       }
     }

@@ -2450,7 +2446,7 @@
   /* we got an answer */
   if(lwr.d_rcode==RCode::ServFail || lwr.d_rcode==RCode::Refused) {
     LOG(prefix<<qname<<": "<<nsName<<" ("<<remoteIP.toString()<<") returned a "<< (lwr.d_rcode==RCode::ServFail ? "ServFail" : "Refused") << ", trying sibling IP or NS"<<endl);
-    t_sstorage.throttle.throttle(d_now.tv_sec, boost::make_tuple(remoteIP, qname, qtype.getCode()), 60, 3);
+    t_sstorage.throttle.throttle(d_now.tv_sec, boost::make_tuple(remoteIP, qname, qtype.getCode()), s_serverdownthrottletime, s_serverdownmaxfails);
     return false;
   }

--- pdns-recursor-4.1.3/syncres.hh.orig 2018-11-27 13:51:08.695002622 +0300
+++ pdns-recursor-4.1.3/syncres.hh      2018-11-27 13:51:52.237002682 +0300
@@ -107,7 +107,7 @@
   void throttle(time_t now, const Thing& t, time_t ttl=0, unsigned int tries=0)
   {
     typename cont_t::iterator i=d_cont.find(t);
-    entry e={ now+(ttl ? ttl : d_ttl), tries ? tries : d_limit};
+    entry e={ now+ttl, tries };

     if(i==d_cont.end()) {
       d_cont[t]=e;

pdns-recursor.spec.diff

--- /home/tvv/rpmbuild/SPECS/pdns-recursor.spec.orig    2018-11-27 13:55:55.338003021 +0300
+++ /home/tvv/rpmbuild/SPECS/pdns-recursor.spec 2018-11-27 14:00:16.685003386 +0300
@@ -1,6 +1,6 @@
 Name: pdns-recursor
 Version: 4.1.3
-Release: 2%{?dist}
+Release: 3%{?dist}
 Summary: Modern, advanced and high performance recursing/non authoritative name server
 Group: System Environment/Daemons
 License: GPLv2
@@ -8,6 +8,7 @@
 Source0: https://downloads.powerdns.com/releases/%{name}-%{version}.tar.bz2

 Patch0: fix-sigabort.patch
+Patch1: pdns-recursor-zero-ttl.patch

 Provides: powerdns-recursor = %{version}-%{release}
 BuildRequires: boost-devel
@@ -98,6 +99,9 @@
 %doc COPYING README

 %changelog
+* Tue Nov 27 2018 Vitaliy Tokarev <vitaliy.tokarev@gmail.com> - 4.1.3-3
+- Remove hardcoded values for throttle
+
 * Thu May 24 2018 Ruben Kerkhof <ruben@rubenkerkhof.com> - 4.1.3-2
 - Fix sigabort (#1578732)
 - Enable support for ed25519

recursor.conf

setuid=pdns-recursor
setgid=pdns-recursor
daemon=yes
forward-zones-file=/etc/pdns-recursor/forward.conf
forward-zones-recurse=.=10.10.10.1,.=10.10.10.2
local-address=127.0.0.1
local-port=53
logging-facility=3
minimum-ttl-override=86400
packetcache-servfail-ttl=0
server-down-max-fails=0
server-down-throttle-time=0
trace=off