BIND 10 trac1824, updated. 96c135a9247ae93f5ba5c8843b72e7c34aa38825 [1824] More descriptive error strings if the sendmsg function fails.

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       via  96c135a9247ae93f5ba5c8843b72e7c34aa38825 (commit)
      from  5862eb4c980b550d5206011d4db3b3d2fc649d05 (commit)

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- Log -----------------------------------------------------------------
commit 96c135a9247ae93f5ba5c8843b72e7c34aa38825
Author: Marcin Siodelski <marcin at isc.org>
Date:   Mon Dec 9 18:11:26 2013 +0100

    [1824] More descriptive error strings if the sendmsg function fails.

-----------------------------------------------------------------------

Summary of changes:
 src/lib/dhcp/iface_mgr.cc       |    6 ++++--
 src/lib/dhcp/pkt_filter_inet.cc |    5 ++++-
 2 files changed, 8 insertions(+), 3 deletions(-)

-----------------------------------------------------------------------
diff --git a/src/lib/dhcp/iface_mgr.cc b/src/lib/dhcp/iface_mgr.cc
index 41a81f1..66738ce 100644
--- a/src/lib/dhcp/iface_mgr.cc
+++ b/src/lib/dhcp/iface_mgr.cc
@@ -26,7 +26,8 @@
 #include <exceptions/exceptions.h>
 #include <util/io/pktinfo_utilities.h>
 
-
+#include <cstring>
+#include <errno.h>
 #include <fstream>
 #include <sstream>
 
@@ -906,7 +907,8 @@ IfaceMgr::send(const Pkt6Ptr& pkt) {
 
     result = sendmsg(getSocket(*pkt), &m, 0);
     if (result < 0) {
-        isc_throw(SocketWriteError, "Pkt6 send failed: sendmsg() returned " << result);
+        isc_throw(SocketWriteError, "pkt6 send failed: sendmsg() returned"
+                  " with an error: " << strerror(errno));
     }
 
     return (result);
diff --git a/src/lib/dhcp/pkt_filter_inet.cc b/src/lib/dhcp/pkt_filter_inet.cc
index 772d453..1694798 100644
--- a/src/lib/dhcp/pkt_filter_inet.cc
+++ b/src/lib/dhcp/pkt_filter_inet.cc
@@ -16,6 +16,8 @@
 #include <dhcp/iface_mgr.h>
 #include <dhcp/pkt4.h>
 #include <dhcp/pkt_filter_inet.h>
+#include <errno.h>
+#include <cstring>
 
 using namespace isc::asiolink;
 
@@ -242,7 +244,8 @@ PktFilterInet::send(const Iface&, uint16_t sockfd,
 
     int result = sendmsg(sockfd, &m, 0);
     if (result < 0) {
-        isc_throw(SocketWriteError, "pkt4 send failed");
+        isc_throw(SocketWriteError, "pkt4 send failed: sendmsg() returned "
+                  " with an error: " << strerror(errno));
     }
 
     return (result);