- update fs

1 files changed, 159 insertions, 0 deletions

diff --git a/src/fs/gnunet-service-fs_cadet.h b/src/fs/gnunet-service-fs_cadet.h
new file mode 100644
index 000000000..ddf367668
--- /dev/null
+++ b/src/fs/gnunet-service-fs_cadet.h
@@ -0,0 +1,159 @@
+/*
+     This file is part of GNUnet.
+     (C) 2012 Christian Grothoff (and other contributing authors)
+
+     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., 59 Temple Place - Suite 330,
+     Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file fs/gnunet-service-fs_cadet.h
+ * @brief non-anonymous file-transfer
+ * @author Christian Grothoff
+ */
+#ifndef GNUNET_SERVICE_FS_CADET_H
+#define GNUNET_SERVICE_FS_CADET_H
+
+/**
+ * Handle for a request that is going out via cadet API.
+ */
+struct GSF_CadetRequest;
+
+
+/**
+ * Function called with a reply from the cadet.
+ *
+ * @param cls closure
+ * @param type type of the block, ANY on error
+ * @param expiration expiration time for the block
+ * @param data_size number of bytes in 'data', 0 on error
+ * @param data reply block data, NULL on error
+ */
+typedef void (*GSF_CadetReplyProcessor)(void *cls,
+                                         enum GNUNET_BLOCK_Type type,
+                                         struct GNUNET_TIME_Absolute expiration,
+                                         size_t data_size,
+                                         const void *data);
+
+
+/**
+ * Look for a block by directly contacting a particular peer.
+ *
+ * @param target peer that should have the block
+ * @param query hash to query for the block
+ * @param type desired type for the block
+ * @param proc function to call with result
+ * @param proc_cls closure for 'proc'
+ * @return handle to cancel the operation
+ */
+struct GSF_CadetRequest *
+GSF_cadet_query (const struct GNUNET_PeerIdentity *target,
+                  const struct GNUNET_HashCode *query,
+                  enum GNUNET_BLOCK_Type type,
+                  GSF_CadetReplyProcessor proc, void *proc_cls);
+
+
+/**
+ * Cancel an active request; must not be called after 'proc'
+ * was calld.
+ *
+ * @param sr request to cancel
+ */
+void
+GSF_cadet_query_cancel (struct GSF_CadetRequest *sr);
+
+
+/**
+ * Initialize subsystem for non-anonymous file-sharing.
+ */
+void
+GSF_cadet_start_server (void);
+
+
+/**
+ * Shutdown subsystem for non-anonymous file-sharing.
+ */
+void
+GSF_cadet_stop_server (void);
+
+/**
+ * Initialize subsystem for non-anonymous file-sharing.
+ */
+void
+GSF_cadet_start_client (void);
+
+
+/**
+ * Shutdown subsystem for non-anonymous file-sharing.
+ */
+void
+GSF_cadet_stop_client (void);
+
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+/**
+ * Query from one peer, asking the other for CHK-data.
+ */
+struct CadetQueryMessage
+{
+
+  /**
+   * Type is GNUNET_MESSAGE_TYPE_FS_CADET_QUERY.
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Block type must be DBLOCK or IBLOCK.
+   */
+  uint32_t type GNUNET_PACKED;
+
+  /**
+   * Query hash from CHK (hash of encrypted block).
+   */
+  struct GNUNET_HashCode query;
+
+};
+
+
+/**
+ * Reply to a CadetQueryMessage.
+ */
+struct CadetReplyMessage
+{
+
+  /**
+   * Type is GNUNET_MESSAGE_TYPE_FS_CADET_REPLY.
+   */
+  struct GNUNET_MessageHeader header;
+
+  /**
+   * Block type must be DBLOCK or IBLOCK.
+   */
+  uint32_t type GNUNET_PACKED;
+
+  /**
+   * Expiration time for the block.
+   */
+  struct GNUNET_TIME_AbsoluteNBO expiration;
+
+  /* followed by the encrypted block */
+
+};
+
+GNUNET_NETWORK_STRUCT_END
+
+
+#endif