From 6121a2ee7583b76bb0afde98524b8b33060db483 Mon Sep 17 00:00:00 2001
From: bert hubert <bert.hubert@netherlabs.nl>
Date: Tue, 9 Sep 2014 19:27:34 +0200
Subject: [PATCH] implement & document rec_control version, closes #1706

---
 pdns/docs/pdns.xml          | 9 +++++++++
 pdns/docs/rec_control.1.txt | 9 ++++++---
 pdns/rec_channel_rec.cc     | 6 ++++++
 3 files changed, 21 insertions(+), 3 deletions(-)

diff --git a/pdns/docs/pdns.xml b/pdns/docs/pdns.xml
index 5973330f6..9374b009e 100644
--- a/pdns/docs/pdns.xml
+++ b/pdns/docs/pdns.xml
@@ -15922,6 +15922,15 @@ sql> insert into domainmetadata (domain_id, kind, content) values (6, 'TSIG-ALLO
 		</para>
 	      </listitem>
 	    </varlistentry>	  
+	    <varlistentry>
+	      <term>version</term>
+	      <listitem>
+		<para>
+		  Available after 3.6.1, report currently running version
+		</para>
+	      </listitem>
+	    </varlistentry>	  
+
 	    <varlistentry>
 	      <term>wipe-cache domain0. [domain1. domain2.]</term>
 	      <listitem>
diff --git a/pdns/docs/rec_control.1.txt b/pdns/docs/rec_control.1.txt
index 9e49da79e..1c3b3d1de 100644
--- a/pdns/docs/rec_control.1.txt
+++ b/pdns/docs/rec_control.1.txt
@@ -102,16 +102,19 @@ reload-zones::
 set-minimum-ttl <value>::
 	Set minimum-ttl-override.
 
-trace-regex [regex]::
-	Emit resolution trace for matching queries. Empty regex to disable trace.
-
 top-remotes::
 	Shows the top-20 most active remote hosts. Statistics are over the
 	last 'remotes-ringbuffer-entries' queries, which defaults to 0.
 
+trace-regex [regex]::
+	Emit resolution trace for matching queries. Empty regex to disable trace.
+
 unload-lua-script::
 	Unloads Lua script.
 
+version::
+	Report running version (available after 3.6.1)
+
 wipe-cache <domain0> [domain1]::
 	Wipe entries from the cache. This is useful if, for example, an
 	important server has a new IP address, but the TTL has not yet
diff --git a/pdns/rec_channel_rec.cc b/pdns/rec_channel_rec.cc
index b3ec8826e..df72fb96d 100644
--- a/pdns/rec_channel_rec.cc
+++ b/pdns/rec_channel_rec.cc
@@ -22,6 +22,7 @@
 #include <sys/time.h>
 #include "lock.hh"
 #include "responsestats.hh"
+#include "version_generated.h"
 
 #include "namespaces.hh"
 pthread_mutex_t g_carbon_config_lock=PTHREAD_MUTEX_INITIALIZER;
@@ -664,6 +665,7 @@ string RecursorControlParser::getAnswer(const string& question, RecursorControlP
 "trace-regex [regex]              emit resolution trace for matching queries (empty regex to clear trace)\n"
 "top-remotes                      show top remotes\n"
 "unload-lua-script                unload Lua script\n"
+"version                          return Recursor version number\n"
 "wipe-cache domain0 [domain1] ..  wipe domain data from cache\n";
 
   if(cmd=="get-all")
@@ -679,6 +681,10 @@ string RecursorControlParser::getAnswer(const string& question, RecursorControlP
     *command=&doExit;
     return "bye\n";
   }
+
+  if(cmd=="version") {
+    return string(PDNS_VERSION)+"\n";
+  }
   
   if(cmd=="quit-nicely") {
     *command=&doExitNicely;
-- 
2.49.0