moving basic logic for launching nat-server helper to new NAT service

1 files changed, 74 insertions, 0 deletions

diff --git a/src/nat/gnunet-service-nat_helper.h b/src/nat/gnunet-service-nat_helper.h
new file mode 100644
index 000000000..c3074d9ad
--- /dev/null
+++ b/src/nat/gnunet-service-nat_helper.h
@@ -0,0 +1,74 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2009, 2010, 2011, 2016 GNUnet e.V.
+
+     GNUnet is free software; you can redistribute it and/or modify
+     it under the terms of the GNU General Public License as published
+     by the Free Software Foundation; either version 3, or (at your
+     option) any later version.
+
+     GNUnet is distributed in the hope that it will be useful, but
+     WITHOUT ANY WARRANTY; without even the implied warranty of
+     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+     General Public License for more details.
+
+     You should have received a copy of the GNU General Public License
+     along with GNUnet; see the file COPYING.  If not, write to the
+     Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+     Boston, MA 02110-1301, USA.
+*/
+
+/**
+ * @file nat/gnunet-service-nat_helper.h
+ * @brief runs the gnunet-helper-nat-server
+ * @author Milan Bouchet-Valat
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+
+
+/**
+ * Information we keep per NAT helper process.
+ */
+struct HelperContext;
+
+
+/**
+ * Function called whenever we get a connection reversal
+ * request from another peer.
+ *
+ * @param cls closure
+ * @param ra IP address of the peer who wants us to connect to it 
+ */
+typedef void
+(*GN_ReversalCallback) (void *cls,
+                        const struct sockaddr_in *ra);
+
+
+/**
+ * Start the gnunet-helper-nat-server and process incoming
+ * requests.
+ *
+ * @param internal_address
+ * @param cb function to call if we receive a request
+ * @param cb_cls closure for @a cb
+ * @return NULL on error
+ */
+struct HelperContext *
+GN_start_gnunet_nat_server_ (const char *internal_address,
+                             GN_ReversalCallback cb,
+                             void *cb_cls);
+
+                        
+/**
+ * Start the gnunet-helper-nat-server and process incoming
+ * requests.
+ *
+ * @param h helper context to stop
+ */
+void
+GN_stop_gnunet_nat_server_ (struct HelperContext *h);
+
+
+/* end of gnunet-service-nat_helper.h */