#include "gnunet_transport_service.h"
#include "gnunet_core_service.h"
#include "gnunet_block_lib.h"
+#include "gnunet_ats_service.h"
#include "fs.h"
-#define DEBUG_FS GNUNET_YES
-
-#define DEBUG_FS_CLIENT GNUNET_EXTRA_LOGGING
-
/**
- * Should we introduce random latency in processing? Required for proper
- * implementation of GAP, but can be disabled for performance evaluation of
- * the basic routing algorithm.
- *
- * Note that with delays enabled, performance can be significantly lower
- * (several orders of magnitude in 2-peer test runs); if you want to
- * measure throughput of other components, set this to NO. Also, you
- * might want to consider changing 'RETRY_PROBABILITY_INV' to 1 for
- * a rather wasteful mode of operation (that might still get the highest
- * throughput overall).
- *
- * Performance measurements (for 50 MB file, 2 peers):
- *
- * - Without delays: 3300 kb/s
- * - With delays: 101 kb/s
+ * By which amount do we decrement the TTL for simple forwarding /
+ * indirection of the query; in milli-seconds. Set somewhat in
+ * accordance to your network latency (above the time it'll take you
+ * to send a packet and get a reply).
*/
-#define SUPPORT_DELAYS GNUNET_NO
-
+#define TTL_DECREMENT 5000
/**
* At what frequency should our datastore load decrease
*/
#define DATASTORE_LOAD_AUTODECLINE GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 250)
+/**
+ * Only the (mandatory) query is included.
+ */
+#define GET_MESSAGE_BIT_QUERY_ONLY 0
+/**
+ * The peer identity of a peer waiting for the
+ * reply is included (used if the response
+ * should be transmitted to someone other than
+ * the sender of the GET).
+ */
+#define GET_MESSAGE_BIT_RETURN_TO 1
+
+/**
+ * The peer identity of a peer that had claimed to have the content
+ * previously is included (can be used if responder-anonymity is not
+ * desired; note that the precursor presumably lacked a direct
+ * connection to the specified peer; still, the receiver is in no way
+ * required to limit forwarding only to the specified peer, it should
+ * only prefer it somewhat if possible).
+ */
+#define GET_MESSAGE_BIT_TRANSMIT_TO 4
+
+
+GNUNET_NETWORK_STRUCT_BEGIN
+
+/**
+ * Message sent between peers asking for FS-content.
+ */
+struct GetMessage
+{
+
+ /**
+ * Message type will be GNUNET_MESSAGE_TYPE_FS_GET.
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Type of the query (block type).
+ */
+ uint32_t type GNUNET_PACKED;
+
+ /**
+ * How important is this request (network byte order)
+ */
+ uint32_t priority GNUNET_PACKED;
+
+ /**
+ * Relative time to live in MILLISECONDS (network byte order)
+ */
+ int32_t ttl GNUNET_PACKED;
+
+ /**
+ * The content hash should be mutated using this value
+ * before checking against the bloomfilter (used to
+ * get many different filters for the same hash codes).
+ * The number should be in big-endian format when used
+ * for mingling.
+ */
+ uint32_t filter_mutator GNUNET_PACKED;
+
+ /**
+ * Which of the optional hash codes are present at the end of the
+ * message? See GET_MESSAGE_BIT_xx constants. For each bit that is
+ * set, an additional struct GNUNET_HashCode with the respective content
+ * (in order of the bits) will be appended to the end of the GET
+ * message.
+ */
+ uint32_t hash_bitmap GNUNET_PACKED;
+
+ /**
+ * Hashcodes of the file(s) we're looking for.
+ * Details depend on the query type.
+ */
+ struct GNUNET_HashCode query;
+
+ /* this is followed by hash codes as specified in the "hash_bitmap";
+ * after that, an optional bloomfilter (with bits set for replies
+ * that should be suppressed) can be present */
+};
+
+
+/**
+ * Message send by a peer that wants to be excluded
+ * from migration for a while.
+ */
+struct MigrationStopMessage
+{
+ /**
+ * Message type will be
+ * GNUNET_MESSAGE_TYPE_FS_MIGRATION_STOP.
+ */
+ struct GNUNET_MessageHeader header;
+
+ /**
+ * Always zero.
+ */
+ uint32_t reserved GNUNET_PACKED;
+
+ /**
+ * How long should the block last?
+ */
+ struct GNUNET_TIME_RelativeNBO duration;
+
+};
+GNUNET_NETWORK_STRUCT_END
/**
* A connected peer.
struct GSF_RequestPlan;
/**
- * DLL of request plans a particular pending request is
- * involved with.
+ * Bijection between request plans and pending requests.
*/
-struct GSF_RequestPlanReference;
+struct GSF_PendingRequestPlanBijection;
/**
* Our connection to the datastore.
*/
extern struct GNUNET_LOAD_Value *GSF_rt_entry_lifetime;
+/**
+ * Running average of the observed latency to other peers (round trip).
+ */
+extern struct GNUNET_TIME_Relative GSF_avg_latency;
+
+/**
+ * Handle to ATS service.
+ */
+extern struct GNUNET_ATS_PerformanceHandle *GSF_ats;
+
+
/**
* Typical priorities we're seeing from other peers right now. Since
* most priorities will be zero, this value is the weighted average of
*/
extern int GSF_enable_randomized_delays;
+/**
+ * Size of the datastore queue we assume for common requests.
+ */
+extern unsigned int GSF_datastore_queue_size;
+
+
/**
* Test if the DATABASE (GET) load on this peer is too high
* to even consider processing the query at
projects / oweals / gnunet.git / blobdiff