From 8b218a5595afcbb14196b6d2a6014d52b3beddd9 Mon Sep 17 00:00:00 2001
From: Sage Weil <sage@newdream.net>
Date: Tue, 22 Jan 2008 08:17:58 -0800
Subject: [PATCH] msgr: check for failure to resolve hostname

---
 src/msg/SimpleMessenger.cc | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/msg/SimpleMessenger.cc b/src/msg/SimpleMessenger.cc
index 746ea1bcd6bf3..6df3de5cf474e 100644
--- a/src/msg/SimpleMessenger.cc
+++ b/src/msg/SimpleMessenger.cc
@@ -153,6 +153,12 @@ int Rank::Accepter::start()
   } else {
     // my IP is... HELP!
     struct hostent *myhostname = gethostbyname(hostname); 
+    if (!myhostname) {
+      derr(0) << "unable to resolve hostname '" << hostname 
+	      << "', please specify your ip with --bind x.x.x.x" 
+	      << dendl;
+      exit(0);
+    }
     
     // look up my hostname.
     listen_addr.sin_family = myhostname->h_addrtype;
-- 
2.39.5