X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=src%2Ffs%2Fgnunet-service-fs_cp.h;h=e3c7cd2278259a8525aece2f1dfc30c062483bfd;hb=1f09f4f7716db5939ec1c9a278b5661616dd72d6;hp=c9485f23b80ea4052f9397715964452150c73329;hpb=502af2167f7c218366666ca4944bd7cc54b5b19a;p=oweals%2Fgnunet.git diff --git a/src/fs/gnunet-service-fs_cp.h b/src/fs/gnunet-service-fs_cp.h index c9485f23b..e3c7cd227 100644 --- a/src/fs/gnunet-service-fs_cp.h +++ b/src/fs/gnunet-service-fs_cp.h @@ -30,6 +30,36 @@ #include "gnunet-service-fs.h" +/** + * Maximum number of outgoing messages we queue per peer. + * + * Performance measurements for 2 peer setup for 50 MB file + * (with MAX_DATASTORE_QUEUE = 1 and RETRY_PROBABILITY_INV = 1): + * + * 2: 1700 kb/s, 1372 kb/s + * 8: 2117 kb/s, 1284 kb/s, 1112 kb/s + * 16: 3500 kb/s, 3200 kb/s, 3388 kb/s + * 32: 3441 kb/s, 3163 kb/s, 3277 kb/s + * 128: 1700 kb/s; 2010 kb/s, 3383 kb/s, 1156 kb/s + * + * Conclusion: 16 seems to be a pretty good value (stable + * and high performance, no excessive memory use). + */ +#define MAX_QUEUE_PER_PEER 16 + +/** + * Length of the P2P success tracker. Note that having a very long + * list can also hurt performance. + */ +#define P2P_SUCCESS_LIST_SIZE 8 + +/** + * Length of the CS-2-P success tracker. Note that + * having a very long list can also hurt performance. + */ +#define CS2P_SUCCESS_LIST_SIZE 8 + + /** * Performance data kept for a peer. */ @@ -39,7 +69,7 @@ struct GSF_PeerPerformanceData /** * Transport performance data. */ - struct GNUNET_TRANSPORT_ATS_Information *atsi; + struct GNUNET_ATS_Information *atsi; /** * List of the last clients for which this peer successfully @@ -62,6 +92,13 @@ struct GSF_PeerPerformanceData */ struct GNUNET_TIME_Relative avg_reply_delay; + /** + * If we get content we already have from this peer, for how + * long do we block him? Adjusted based on the fraction of + * redundant data we receive, between 1s and 1h. + */ + struct GNUNET_TIME_Relative migration_delay; + /** * Point in time until which this peer does not want us to migrate content * to it. @@ -110,10 +147,6 @@ struct GSF_PeerPerformanceData */ unsigned int pending_replies; - /** - * How many of the last blocks from migration were duplicates? - */ - unsigned int migration_duplication; }; @@ -140,8 +173,8 @@ typedef void (*GSF_ConnectedPeerIterator) (void *cls, * @param buf where to copy the message, NULL on error (peer disconnect) * @return number of bytes copied to 'buf', can be 0 (without indicating an error) */ -typedef size_t (*GSF_GetMessageCallback) (void *cls, - size_t buf_size, void *buf); +typedef size_t (*GSF_GetMessageCallback) (void *cls, size_t buf_size, + void *buf); /** @@ -168,13 +201,13 @@ struct GSF_PeerTransmitHandle; * * @param peer identity of peer that connected * @param atsi performance data for the connection + * @param atsi_count number of records in 'atsi' * @return handle to connected peer entry */ -struct GSF_ConnectedPeer *GSF_peer_connect_handler_ (const struct - GNUNET_PeerIdentity *peer, - const struct - GNUNET_TRANSPORT_ATS_Information - *atsi); +struct GSF_ConnectedPeer * +GSF_peer_connect_handler_ (const struct GNUNET_PeerIdentity *peer, + const struct GNUNET_ATS_Information *atsi, + unsigned int atsi_count); /** @@ -183,8 +216,8 @@ struct GSF_ConnectedPeer *GSF_peer_connect_handler_ (const struct * @param peer peer's identity * @return NULL if this peer is not currently connected */ -struct GSF_ConnectedPeer *GSF_peer_get_ (const struct GNUNET_PeerIdentity - *peer); +struct GSF_ConnectedPeer * +GSF_peer_get_ (const struct GNUNET_PeerIdentity *peer); /** @@ -201,13 +234,10 @@ struct GSF_ConnectedPeer *GSF_peer_get_ (const struct GNUNET_PeerIdentity * @param gmc_cls closure for gmc * @return handle to cancel request */ -struct GSF_PeerTransmitHandle *GSF_peer_transmit_ (struct GSF_ConnectedPeer *cp, - int is_query, - uint32_t priority, - struct GNUNET_TIME_Relative - timeout, size_t size, - GSF_GetMessageCallback gmc, - void *gmc_cls); +struct GSF_PeerTransmitHandle * +GSF_peer_transmit_ (struct GSF_ConnectedPeer *cp, int is_query, + uint32_t priority, struct GNUNET_TIME_Relative timeout, + size_t size, GSF_GetMessageCallback gmc, void *gmc_cls); /** @@ -215,7 +245,8 @@ struct GSF_PeerTransmitHandle *GSF_peer_transmit_ (struct GSF_ConnectedPeer *cp, * * @param pth request to cancel */ -void GSF_peer_transmit_cancel_ (struct GSF_PeerTransmitHandle *pth); +void +GSF_peer_transmit_cancel_ (struct GSF_PeerTransmitHandle *pth); /** @@ -256,26 +287,6 @@ GSF_peer_update_responder_peer_ (struct GSF_ConnectedPeer *cp, *initiator_peer); -/** - * Method called whenever a given peer has a status change. - * - * @param cls closure - * @param peer peer identity this notification is about - * @param bandwidth_in available amount of inbound bandwidth - * @param bandwidth_out available amount of outbound bandwidth - * @param timeout absolute time when this peer will time out - * unless we see some further activity from it - * @param atsi status information - */ -void -GSF_peer_status_handler_ (void *cls, - const struct GNUNET_PeerIdentity *peer, - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_in, - struct GNUNET_BANDWIDTH_Value32NBO bandwidth_out, - struct GNUNET_TIME_Absolute timeout, - const struct GNUNET_TRANSPORT_ATS_Information *atsi); - - /** * Handle P2P "MIGRATION_STOP" message. * @@ -284,6 +295,7 @@ GSF_peer_status_handler_ (void *cls, * for loopback messages where we are both sender and receiver) * @param message the actual message * @param atsi performance information + * @param atsi_count number of records in 'atsi' * @return GNUNET_OK to keep the connection open, * GNUNET_SYSERR to close it (signal serious error) */ @@ -291,8 +303,8 @@ int GSF_handle_p2p_migration_stop_ (void *cls, const struct GNUNET_PeerIdentity *other, const struct GNUNET_MessageHeader *message, - const struct GNUNET_TRANSPORT_ATS_Information - *atsi); + const struct GNUNET_ATS_Information *atsi, + unsigned int atsi_count); /** @@ -306,34 +318,31 @@ GSF_handle_p2p_migration_stop_ (void *cls, * @param message the actual message * @return pending request handle, NULL on error */ -struct GSF_PendingRequest *GSF_handle_p2p_query_ (const struct - GNUNET_PeerIdentity *other, - const struct - GNUNET_MessageHeader - *message); +struct GSF_PendingRequest * +GSF_handle_p2p_query_ (const struct GNUNET_PeerIdentity *other, + const struct GNUNET_MessageHeader *message); /** * Return the performance data record for the given peer - * + * * @param cp peer to query * @return performance data record for the peer */ -struct GSF_PeerPerformanceData *GSF_get_peer_performance_data_ (struct - GSF_ConnectedPeer - *cp); +struct GSF_PeerPerformanceData * +GSF_get_peer_performance_data_ (struct GSF_ConnectedPeer *cp); /** * Ask a peer to stop migrating data to us until the given point * in time. - * + * * @param cp peer to ask * @param block_time until when to block */ void GSF_block_peer_migration_ (struct GSF_ConnectedPeer *cp, - struct GNUNET_TIME_Relative block_time); + struct GNUNET_TIME_Absolute block_time); /** @@ -354,7 +363,8 @@ GSF_peer_disconnect_handler_ (void *cls, * * @param lc handle to the local client (henceforth invalid) */ -void GSF_handle_local_client_disconnect_ (const struct GSF_LocalClient *lc); +void +GSF_handle_local_client_disconnect_ (const struct GSF_LocalClient *lc); /** @@ -388,19 +398,22 @@ GSF_connected_peer_get_identity_ (const struct GSF_ConnectedPeer *cp, * @param it function to call for each peer * @param it_cls closure for it */ -void GSF_iterate_connected_peers_ (GSF_ConnectedPeerIterator it, void *it_cls); +void +GSF_iterate_connected_peers_ (GSF_ConnectedPeerIterator it, void *it_cls); /** * Initialize peer management subsystem. */ -void GSF_connected_peer_init_ (void); +void +GSF_connected_peer_init_ (void); /** * Shutdown peer management subsystem. */ -void GSF_connected_peer_done_ (void); +void +GSF_connected_peer_done_ (void); #endif