Added --tcp-nodelay option: Macro that sets TCP_NODELAY socket

flag on the server as well as pushes it to connecting clients.


git-svn-id: http://svn.openvpn.net/projects/openvpn/branches/BETA21/openvpn@3513 e7ae566f-a301-0410-adde-c780ea21d3b5

1 files changed, 39 insertions, 0 deletions

diff --git a/helper.c b/helper.c
index 2abb417..a8bbea0 100644
--- a/helper.c
+++ b/helper.c
@@ -96,6 +96,14 @@ print_str_int (const char *str, const int i, struct gc_arena *gc)
   return BSTR (&out);
 }
 
+static const char *
+print_str (const char *str, struct gc_arena *gc)
+{
+  struct buffer out = alloc_buf_gc (128, gc);
+  buf_printf (&out, "%s", str);
+  return BSTR (&out);
+}
+
 static void
 helper_add_route (const in_addr_t network, const in_addr_t netmask, struct options *o)
 {
@@ -438,3 +446,34 @@ helper_keepalive (struct options *o)
 	}
     }
 }
+
+/*
+ *
+ * HELPER DIRECTIVE:
+ *
+ * tcp-nodelay
+ *
+ * EXPANDS TO:
+ *
+ * if mode server:
+ *   socket-flags TCP_NODELAY
+ *   push "socket-flags TCP_NODELAY"
+ */
+void
+helper_tcp_nodelay (struct options *o)
+{
+#if P2MP_SERVER
+  if (o->server_flags & SF_TCP_NODELAY_HELPER)
+    {
+      if (o->mode == MODE_SERVER)
+	{
+	  o->sockflags |= SF_TCP_NODELAY;	  
+	  push_option (o, print_str ("socket-flags TCP_NODELAY", &o->gc), M_USAGE);
+	}
+      else
+	{
+	  ASSERT (0);
+	}
+    }
+#endif
+}