Revision 17:c5089d058eab, committed 2013-05-14

Comitter:

emilmont

Date:

Tue May 14 09:48:07 2013 +0000

Parent:

16:2d471deff212

Child:

18:d56496360fc9

Commit message:

Not shutting down the socket, before closing it, is not robust in lwIP

Changed in this revision

--- a/Socket.cpp	Fri Mar 01 15:30:16 2013 +0000
+++ b/Socket.cpp	Tue May 14 09:48:07 2013 +0000
@@ -69,10 +69,12 @@
     return select(&timeout._time, false, true);
 }
 
-int Socket::close() {
+int Socket::close(bool shutdown) {
     if (_sock_fd < 0)
         return -1;
     
+    if (shutdown)
+        lwip_shutdown(_sock_fd, SHUT_RDWR);
     lwip_close(_sock_fd);
     _sock_fd = -1;
     

--- a/Socket.h	Fri Mar 01 15:30:16 2013 +0000
+++ b/Socket.h	Tue May 14 09:48:07 2013 +0000
@@ -65,9 +65,10 @@
         */
     int get_option(int level, int optname, void *optval, socklen_t *optlen);
     
-    /** Close the socket file descriptor
+    /** Close the socket
+        \param shutdown   free the left-over data in message queues
      */
-    int close();
+    int close(bool shutdown=true);
     
     ~Socket();