stuff

1 files changed, 195 insertions, 0 deletions

diff --git a/src/fs/gnunet-service-fs_pr.c b/src/fs/gnunet-service-fs_pr.c
new file mode 100644
index 000000000..343ec3ada
--- /dev/null
+++ b/src/fs/gnunet-service-fs_pr.c
@@ -0,0 +1,195 @@
+/*
+     This file is part of GNUnet.
+     (C) 2009, 2010, 2011 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_pr.c
+ * @brief API to handle pending requests
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet-service-fs_pr.h"
+
+
+/**
+ * Create a new pending request.  
+ *
+ * @param options request options
+ * @param type type of the block that is being requested
+ * @param query key for the lookup
+ * @param namespace namespace to lookup, NULL for no namespace
+ * @param target preferred target for the request, NULL for none
+ * @param bf bloom filter for known replies, can be NULL
+ * @param mingle mingle value for bf
+ * @param anonymity_level desired anonymity level
+ * @param priority maximum outgoing cummulative request priority to use
+ * @param replies_seen hash codes of known local replies
+ * @param replies_seen_count size of the 'replies_seen' array
+ * @param rh handle to call when we get a reply
+ * @param rh_cls closure for rh
+ * @return handle for the new pending request
+ */
+struct GSF_PendingRequest *
+GSF_pending_request_create_ (enum GSF_PendingRequestOptions options,
+                             enum GNUNET_BLOCK_Type type,
+                             const GNUNET_HashCode *query,
+                             const GNUNET_HashCode *namespace,
+                             const struct GNUNET_PeerIdentity *target,
+                             struct GNUNET_CONTAINER_BloomFilter *bf,
+                             int32_t mingle,
+                             uint32_t anonymity_level,
+                             uint32_t priority,
+                             const GNUNET_HashCode *replies_seen,
+                             unsigned int replies_seen_count,
+                             GSF_PendingRequestReplyHandler rh,
+                             void *rh_cls)
+{
+  return NULL; // FIXME
+}
+
+
+/**
+ * Update a given pending request with additional replies
+ * that have been seen.
+ *
+ * @param pr request to update
+ * @param replies_seen hash codes of replies that we've seen
+ * @param replies_seen_count size of the replies_seen array
+ */
+void
+GSF_pending_request_update_ (struct GSF_PendingRequest *pr,
+                             const GNUNET_HashCode *replies_seen,
+                             unsigned int replies_seen_count)
+{
+  // FIXME
+}
+
+
+
+/**
+ * Get the query for a given pending request.
+ *
+ * @param pr the request
+ * @return pointer to the query (only valid as long as pr is valid)
+ */
+const GNUNET_HashCode *
+GSF_pending_request_get_query_ (const struct GSF_PendingRequest *pr)
+{
+  return NULL; // FIXME
+}
+
+
+/**
+ * Get the type of a given pending request.
+ *
+ * @param pr the request
+ * @return query type
+ */
+enum GNUNET_BLOCK_Type
+GSF_pending_request_get_type_ (const struct GSF_PendingRequest *pr)
+{
+  return 0; // FIXME
+}
+
+
+/**
+ * Generate the message corresponding to the given pending request for
+ * transmission to other peers (or at least determine its size).
+ *
+ * @param pr request to generate the message for
+ * @param buf_size number of bytes available in buf
+ * @param buf where to copy the message (can be NULL)
+ * @return number of bytes needed (if > buf_size) or used
+ */
+size_t
+GSF_pending_request_get_message_ (struct GSF_PendingRequest *pr,
+                                  size_t buf_size,
+                                  void *buf)
+{
+  return 0; // FIXME
+}
+
+
+/**
+ * Explicitly cancel a pending request.
+ *
+ * @param pr request to cancel
+ */
+void
+GSF_pending_request_cancel_ (struct GSF_PendingRequest *pr)
+{
+}
+
+
+/**
+ * Iterate over all pending requests.
+ *
+ * @param it function to call for each request
+ * @param cls closure for it
+ */
+void
+GSF_iterate_pending_requests_ (GSF_PendingRequestIterator it,
+                               void *cls)
+{
+  // FIXME
+}
+
+
+/**
+ * Handle P2P "CONTENT" message.  Checks that the message is
+ * well-formed and then checks if there are any pending requests for
+ * this content and possibly passes it on (to local clients or other
+ * peers).  Does NOT perform migration (content caching at this peer).
+ *
+ * @param other the other peer involved (sender or receiver, NULL
+ *        for loopback messages where we are both sender and receiver)
+ * @param message the actual message
+ * @return how valueable was the content to us (0 for not at all),
+ *         GNUNET_SYSERR if the message was malformed (close connection,
+ *         do not cache under any circumstances)
+ */
+int
+GSF_handle_p2p_content_ (const struct GNUNET_PeerIdentity *other,
+                         const struct GNUNET_MessageHeader *message)
+{
+  return GNUNET_SYSERR; // FIXME
+}
+
+
+/**
+ * Setup the subsystem.
+ */
+void
+GSF_pending_request_init_ ()
+{
+  // FIXME
+}
+
+
+/**
+ * Shutdown the subsystem.
+ */
+void
+GSF_pending_request_done_ ()
+{
+  // FIXME
+}
+
+
+/* end of gnunet-service-fs_pr.c */