[5649] Ignore writes on exernal sockets.

razvan-becheriu · Jun 14, 2018 · 995830f · 995830f
1 parent 66154e3
commit 995830f
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/src/lib/dhcp/iface_mgr.cc b/src/lib/dhcp/iface_mgr.cc
@@ -971,7 +971,8 @@ Pkt4Ptr IfaceMgr::receive4(uint32_t timeout_sec, uint32_t timeout_usec /* = 0 */
 
     // Let's find out which socket has the data
     BOOST_FOREACH(SocketCallbackInfo s, callbacks_) {
-        if (!FD_ISSET(s.socket_, &sockets)) {
+        if ((!FD_ISSET(s.socket_, &sockets) &&
+             (!FD_ISSET(s.socket_, &write_sockets)))) {
             continue;
         }
 
@@ -1094,7 +1095,8 @@ Pkt6Ptr IfaceMgr::receive6(uint32_t timeout_sec, uint32_t timeout_usec /* = 0 */
 
     // Let's find out which socket has the data
     BOOST_FOREACH(SocketCallbackInfo s, callbacks_) {
-        if (!FD_ISSET(s.socket_, &sockets)) {
+        if ((!FD_ISSET(s.socket_, &sockets) &&
+             (!FD_ISSET(s.socket_, &write_sockets)))) {
             continue;
         }