starting re-implementation of CADET service

1 files changed, 108 insertions, 0 deletions

diff --git a/src/cadet/gnunet-service-cadet-new_dht.h b/src/cadet/gnunet-service-cadet-new_dht.h
new file mode 100644
index 000000000..70f834de5
--- /dev/null
+++ b/src/cadet/gnunet-service-cadet-new_dht.h
@@ -0,0 +1,108 @@
+/*
+     This file is part of GNUnet.
+     Copyright (C) 2013, 2017 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 cadet/gnunet-service-cadet_dht.h
+ * @brief cadet service; dealing with DHT requests and results
+ * @author Bartlomiej Polot
+ * @author Christian Grothoff
+ *
+ * All functions in this file should use the prefix GCD (Gnunet Cadet Dht)
+ */
+#ifndef GNUNET_SERVICE_CADET_DHT_H
+#define GNUNET_SERVICE_CADET_DHT_H
+
+#ifdef __cplusplus
+extern "C"
+{
+#if 0                           /* keep Emacsens' auto-indent happy */
+}
+#endif
+#endif
+
+#include "platform.h"
+#include "gnunet_util_lib.h"
+
+/**
+ * Handle for DHT search operation.
+ */
+struct GCD_search_handle;
+
+
+/**
+ * Callback called on each path found over the DHT.
+ *
+ * @param cls Closure.
+ * @param path An unchecked, unoptimized path to the target node.
+ *             After callback will no longer be valid!
+ */
+typedef void
+(*GCD_search_callback) (void *cls,
+                        const struct CadetPeerPath *path);
+
+
+/**
+ * Initialize the DHT subsystem.
+ *
+ * @param c Configuration.
+ */
+void
+GCD_init (const struct GNUNET_CONFIGURATION_Handle *c);
+
+/**
+ * Shut down the DHT subsystem.
+ */
+void
+GCD_shutdown (void);
+
+
+/**
+ * Search DHT for paths to @a peeR_id
+ *
+ * @param peer_id peer to search for
+ * @param callback function to call with results
+ * @param callback_cls closure for @a callback
+ * @return handle to abort search
+ */
+struct GCD_search_handle *
+GCD_search (const struct GNUNET_PeerIdentity *peer_id,
+            GCD_search_callback callback,
+            void *callback_cls);
+
+
+/**
+ * Stop DHT search started with #GCD_search().
+ *
+ * @param h handle to search to stop
+ */
+void
+GCD_search_stop (struct GCD_search_handle *h);
+
+
+#if 0                           /* keep Emacsens' auto-indent happy */
+{
+#endif
+#ifdef __cplusplus
+}
+#endif
+
+/* ifndef GNUNET_CADET_SERVICE_DHT_H */
+#endif
+/* end of gnunet-service-cadet_dht.h */