/**
* Handle START_SEARCH-message (search request from local client).
*
- * @param cls closure
* @param client identification of the client
* @param message the actual message
+ * @return pending request handle for the request, NULL on error
*/
-void
-GSF_local_client_start_search_handler_ (void *cls,
- struct GNUNET_SERVER_Client *client,
+struct GSF_PendingRequest *
+GSF_local_client_start_search_handler_ (struct GNUNET_SERVER_Client *client,
const struct GNUNET_MessageHeader *message)
{
static GNUNET_HashCode all_zeros;
GNUNET_break (0);
GNUNET_SERVER_receive_done (client,
GNUNET_SYSERR);
- return;
+ return NULL;
}
GNUNET_STATISTICS_update (stats,
gettext_noop ("# client searches received"),
#endif
lc = GSF_local_client_lookup_ (client);
-
/* detect duplicate KBLOCK requests */
if ( (type == GNUNET_BLOCK_TYPE_FS_KBLOCK) ||
(type == GNUNET_BLOCK_TYPE_FS_NBLOCK) ||
GNUNET_NO);
GNUNET_SERVER_receive_done (client,
GNUNET_OK);
- return;
+ return NULL;
}
}
options = GSF_PRO_LOCAL_REQUEST;
if (0 != (1 & ntohl (sm->options)))
options |= GSF_PRO_LOCAL_ONLY;
- cr->pr = GSF_pending_request_create (options,
-
- type,
- &sm->query,
- (type == GNUNET_BLOCK_TYPE_SBLOCK)
- ? &sm->target /* namespace */
- : NULL,
- (0 != memcmp (&sm->target,
- &all_zeros,
- sizeof (GNUNET_HashCode)))
- ? &sm->target,
- : NULL,
- NULL /* bf */, 0 /* mingle */,
- ntohl (sm->anonymity_level),
- 0 /* priority */,
- &sm[1], sc,
- &client_response_handler,
- cr);
- // FIXME: start local processing and/or P2P processing?
+ cr->pr = GSF_pending_request_create_ (options,
+ type,
+ &sm->query,
+ (type == GNUNET_BLOCK_TYPE_SBLOCK)
+ ? &sm->target /* namespace */
+ : NULL,
+ (0 != memcmp (&sm->target,
+ &all_zeros,
+ sizeof (GNUNET_HashCode)))
+ ? &sm->target,
+ : NULL,
+ NULL /* bf */, 0 /* mingle */,
+ ntohl (sm->anonymity_level),
+ 0 /* priority */,
+ &sm[1], sc,
+ &client_response_handler,
+ cr);
+ return cr->pr;
}
--- /dev/null
+/*
+ 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 */
projects / oweals / gnunet.git / commitdiff