From: Otto Moerbeek <otto.moerbeek@open-xchange.com>
Date: Thu, 3 Jan 2019 09:47:12 +0000 (+0100)
Subject: Rec: Set socket buf size for control socket.
X-Git-Tag: rec-4.2.0-alpha1~65^2~5
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=d4777000b9c31ea6d42fa68c66f4caef37b3fe22;p=thirdparty%2Fpdns.git

Rec: Set socket buf size for control socket.

Fixes #5745 without changing settings for all processes.
---

diff --git a/pdns/rec_channel.cc b/pdns/rec_channel.cc
index cec4dff6a7..8ee9331b69 100644
--- a/pdns/rec_channel.cc
+++ b/pdns/rec_channel.cc
@@ -54,6 +54,12 @@ int RecursorControlChannel::listen(const string& fname)
   if(bind(d_fd, (sockaddr*)&d_local,sizeof(d_local))<0) 
     throw PDNSException("Unable to bind to controlsocket '"+fname+"': "+stringerror());
 
+  // receive buf should be size of max datagram plus address size
+  int bufsz = 60*1024;
+  setsockopt(d_fd, SOL_SOCKET, SO_SNDBUF, &bufsz, sizeof(bufsz));
+  bufsz = 64*1024;
+  setsockopt(d_fd, SOL_SOCKET, SO_RCVBUF, &bufsz, sizeof(bufsz));
+  
   return d_fd;
 }
 
@@ -100,6 +106,12 @@ void RecursorControlChannel::connect(const string& path, const string& fname)
       throw PDNSException("Unable to connect to remote '"+string(remote.sun_path)+"': "+stringerror());
     }
 
+    // receive buf should be size of max datagram plus address size
+    int bufsz = 60*1024;
+    setsockopt(d_fd, SOL_SOCKET, SO_SNDBUF, &bufsz, sizeof(bufsz));
+    bufsz = 64*1024;
+    setsockopt(d_fd, SOL_SOCKET, SO_RCVBUF, &bufsz, sizeof(bufsz));
+
   } catch (...) {
     close(d_fd);
     d_fd=-1;