#include "gnunet-service-fs_pe.h"
#include "gnunet-service-fs_pr.h"
#include "gnunet-service-fs_push.h"
+#include "gnunet_peerstore_service.h"
/**
*/
int did_reserve;
+ /**
+ * Function called when the creation of this record is complete.
+ */
+ GSF_ConnectedPeerCreationCallback creation_cb;
+
+ /**
+ * Closure for @e creation_cb
+ */
+ void *creation_cb_cls;
+
+ /**
+ * Handle to the PEERSTORE iterate request for peer respect value
+ */
+ struct GNUNET_PEERSTORE_IterateContext *respect_iterate_req;
+
};
static struct GNUNET_CONTAINER_MultiPeerMap *cp_map;
/**
- * Where do we store respect information?
+ * Handle to peerstore service.
*/
-static char *respectDirectory;
-
-
-/**
- * Get the filename under which we would store respect
- * for the given peer.
- *
- * @param id peer to get the filename for
- * @return filename of the form DIRECTORY/PEERID
- */
-static char *
-get_respect_filename (const struct GNUNET_PeerIdentity *id)
-{
- char *fn;
-
- GNUNET_asprintf (&fn,
- "%s%s%s",
- respectDirectory,
- DIR_SEPARATOR_STR,
- GNUNET_i2s_full (id));
- return fn;
-}
+static struct GNUNET_PEERSTORE_Handle *peerstore;
/**
/**
* Core is ready to transmit to a peer, get the message.
*
- * @param cls the 'struct GSF_PeerTransmitHandle' of the message
+ * @param cls the `struct GSF_PeerTransmitHandle` of the message
* @param size number of bytes core is willing to take
* @param buf where to copy the message
- * @return number of bytes copied to buf
+ * @return number of bytes copied to @a buf
*/
static size_t
-peer_transmit_ready_cb (void *cls, size_t size, void *buf);
+peer_transmit_ready_cb (void *cls,
+ size_t size,
+ void *buf);
/**
* long should the client wait until re-trying?
*/
static void
-ats_reserve_callback (void *cls, const struct GNUNET_PeerIdentity *peer,
- int32_t amount, struct GNUNET_TIME_Relative res_delay);
+ats_reserve_callback (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ int32_t amount,
+ struct GNUNET_TIME_Relative res_delay);
/**
/**
* Core is ready to transmit to a peer, get the message.
*
- * @param cls the 'struct GSF_PeerTransmitHandle' of the message
+ * @param cls the `struct GSF_PeerTransmitHandle` of the message
* @param size number of bytes core is willing to take
* @param buf where to copy the message
- * @return number of bytes copied to buf
+ * @return number of bytes copied to @a buf
*/
static size_t
peer_transmit_ready_cb (void *cls, size_t size, void *buf)
/**
* (re)try to reserve bandwidth from the given peer.
*
- * @param cls the 'struct GSF_ConnectedPeer' to reserve from
+ * @param cls the `struct GSF_ConnectedPeer` to reserve from
* @param tc scheduler context
*/
static void
}
+/**
+ * Function called by PEERSTORE with peer respect record
+ *
+ * @param cls handle to connected peer entry
+ * @param record peerstore record information
+ * @param emsg error message, or NULL if no errors
+ * @return #GNUNET_NO to stop iterating since we only expect 0 or 1 records
+ */
+static int
+peer_respect_cb (void *cls,
+ const struct GNUNET_PEERSTORE_Record *record,
+ const char *emsg)
+{
+ struct GSF_ConnectedPeer *cp = cls;
+
+ cp->respect_iterate_req = NULL;
+ if ((NULL != record) && (sizeof (cp->disk_respect) == record->value_size))
+ cp->disk_respect = cp->ppd.respect = *((uint32_t *)record->value);
+ GSF_push_start_ (cp);
+ if (NULL != cp->creation_cb)
+ cp->creation_cb (cp->creation_cb_cls, cp);
+ return GNUNET_NO;
+}
+
+
/**
* A peer connected to us. Setup the connected peer
* records.
*
* @param peer identity of peer that connected
- * @return handle to connected peer entry
+ * @param creation_cb callback function when the record is created.
+ * @param creation_cb_cls closure for @creation_cb
*/
-struct GSF_ConnectedPeer *
-GSF_peer_connect_handler_ (const struct GNUNET_PeerIdentity *peer)
+void
+GSF_peer_connect_handler_ (const struct GNUNET_PeerIdentity *peer,
+ GSF_ConnectedPeerCreationCallback creation_cb,
+ void *creation_cb_cls)
{
struct GSF_ConnectedPeer *cp;
- char *fn;
- uint32_t respect;
- GNUNET_log (GNUNET_ERROR_TYPE_DEBUG, "Connected to peer %s\n",
+ GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
+ "Connected to peer %s\n",
GNUNET_i2s (peer));
cp = GNUNET_new (struct GSF_ConnectedPeer);
cp->ppd.pid = GNUNET_PEER_intern (peer);
cp->rc =
GNUNET_ATS_reserve_bandwidth (GSF_ats, peer, DBLOCK_SIZE,
&ats_reserve_callback, cp);
- fn = get_respect_filename (peer);
- if ((GNUNET_YES == GNUNET_DISK_file_test (fn)) &&
- (sizeof (respect) == GNUNET_DISK_fn_read (fn, &respect, sizeof (respect))))
- cp->disk_respect = cp->ppd.respect = ntohl (respect);
- GNUNET_free (fn);
cp->request_map = GNUNET_CONTAINER_multihashmap_create (128, GNUNET_NO);
GNUNET_break (GNUNET_OK ==
GNUNET_CONTAINER_multipeermap_put (cp_map,
- GSF_connected_peer_get_identity2_ (cp),
+ GSF_connected_peer_get_identity2_ (cp),
cp,
GNUNET_CONTAINER_MULTIHASHMAPOPTION_UNIQUE_ONLY));
GNUNET_STATISTICS_set (GSF_stats, gettext_noop ("# peers connected"),
GNUNET_CONTAINER_multipeermap_size (cp_map),
GNUNET_NO);
- GSF_push_start_ (cp);
- return cp;
+ cp->creation_cb = creation_cb;
+ cp->creation_cb_cls = creation_cb_cls;
+ cp->respect_iterate_req =
+ GNUNET_PEERSTORE_iterate (peerstore, "fs", peer, "respect",
+ GNUNET_TIME_UNIT_FOREVER_REL, &peer_respect_cb,
+ cp);
}
* It may be time to re-start migrating content to this
* peer. Check, and if so, restart migration.
*
- * @param cls the 'struct GSF_ConnectedPeer'
+ * @param cls the `struct GSF_ConnectedPeer`
* @param tc scheduler context
*/
static void
-revive_migration (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+revive_migration (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GSF_ConnectedPeer *cp = cls;
struct GNUNET_TIME_Relative bt;
* @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 GNUNET_OK to keep the connection open,
- * GNUNET_SYSERR to close it (signal serious error)
+ * @return #GNUNET_OK to keep the connection open,
+ * #GNUNET_SYSERR to close it (signal serious error)
*/
int
GSF_handle_p2p_migration_stop_ (void *cls,
{
GSF_push_stop_ (cp);
cp->mig_revive_task =
- GNUNET_SCHEDULER_add_delayed (bt, &revive_migration, cp);
+ GNUNET_SCHEDULER_add_delayed (bt,
+ &revive_migration, cp);
}
return GNUNET_OK;
}
/**
* Copy reply and free put message.
*
- * @param cls the 'struct PutMessage'
- * @param buf_size number of bytes available in buf
+ * @param cls the `struct PutMessage`
+ * @param buf_size number of bytes available in @a buf
* @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)
*/
*
* @param cls unused
* @param query hash code of the request
- * @param value the 'struct GSF_PendingRequest'
- * @return GNUNET_YES (continue to iterate)
+ * @param value the `struct GSF_PendingRequest`
+ * @return #GNUNET_YES (continue to iterate)
*/
static int
-cancel_pending_request (void *cls, const struct GNUNET_HashCode * query, void *value)
+cancel_pending_request (void *cls,
+ const struct GNUNET_HashCode *query,
+ void *value)
{
struct PeerRequest *peerreq = value;
struct GSF_PendingRequest *pr = peerreq->pr;
* @param tc task context
*/
static void
-peer_request_destroy (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+peer_request_destroy (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct PeerRequest *peerreq = cls;
struct GSF_PendingRequest *pr = peerreq->pr;
* @param tc scheduler context
*/
static void
-transmit_delayed_now (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+transmit_delayed_now (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GSF_DelayedHandle *dh = cls;
struct GSF_ConnectedPeer *cp = dh->cp;
* and will also not be called anymore after a call signalling
* expiration.
*
- * @param cls 'struct PeerRequest' this is an answer for
+ * @param cls `struct PeerRequest` this is an answer for
* @param eval evaluation of the result
* @param pr handle to the original pending request
* @param reply_anonymity_level anonymity level for the reply, UINT32_MAX for "unknown"
- * @param expiration when does 'data' expire?
+ * @param expiration when does @a data expire?
* @param last_transmission when did we last transmit a request for this block
* @param type type of the block
* @param data response data, NULL on request expiration
- * @param data_len number of bytes in data
+ * @param data_len number of bytes in @a data
*/
static void
-handle_p2p_reply (void *cls, enum GNUNET_BLOCK_EvaluationResult eval,
- struct GSF_PendingRequest *pr, uint32_t reply_anonymity_level,
+handle_p2p_reply (void *cls,
+ enum GNUNET_BLOCK_EvaluationResult eval,
+ struct GSF_PendingRequest *pr,
+ uint32_t reply_anonymity_level,
struct GNUNET_TIME_Absolute expiration,
struct GNUNET_TIME_Absolute last_transmission,
- enum GNUNET_BLOCK_Type type, const void *data,
+ enum GNUNET_BLOCK_Type type,
+ const void *data,
size_t data_len)
{
struct PeerRequest *peerreq = cls;
* @param tc scheduler context
*/
static void
-peer_transmit_timeout (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+peer_transmit_timeout (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
{
struct GSF_PeerTransmitHandle *pth = cls;
struct GSF_ConnectedPeer *cp;
* @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)
+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 *pth;
struct GSF_PeerTransmitHandle *pos;
}
+/**
+ * Write peer-respect information to a file - flush the buffer entry!
+ *
+ * @param cls unused
+ * @param key peer identity
+ * @param value the 'struct GSF_ConnectedPeer' to flush
+ * @return GNUNET_OK to continue iteration
+ */
+static int
+flush_respect (void *cls, const struct GNUNET_PeerIdentity * key, void *value)
+{
+ struct GSF_ConnectedPeer *cp = value;
+ struct GNUNET_PeerIdentity pid;
+
+ if (cp->ppd.respect == cp->disk_respect)
+ return GNUNET_OK; /* unchanged */
+ GNUNET_assert (0 != cp->ppd.pid);
+ GNUNET_PEER_resolve (cp->ppd.pid, &pid);
+ GNUNET_PEERSTORE_store (peerstore, "fs", &pid, "respect", &cp->ppd.respect,
+ sizeof (cp->ppd.respect),
+ GNUNET_TIME_UNIT_FOREVER_ABS,
+ GNUNET_PEERSTORE_STOREOPTION_REPLACE, NULL, NULL);
+ return GNUNET_OK;
+}
+
+
/**
* A peer disconnected from us. Tear down the connected peer
* record.
* @param peer identity of peer that connected
*/
void
-GSF_peer_disconnect_handler_ (void *cls, const struct GNUNET_PeerIdentity *peer)
+GSF_peer_disconnect_handler_ (void *cls,
+ const struct GNUNET_PeerIdentity *peer)
{
struct GSF_ConnectedPeer *cp;
struct GSF_PeerTransmitHandle *pth;
if (NULL == cp)
return; /* must have been disconnect from core with
* 'peer' == my_id, ignore */
+ flush_respect (NULL, peer, cp);
GNUNET_assert (GNUNET_YES ==
GNUNET_CONTAINER_multipeermap_remove (cp_map,
peer,
GNUNET_STATISTICS_set (GSF_stats, gettext_noop ("# peers connected"),
GNUNET_CONTAINER_multipeermap_size (cp_map),
GNUNET_NO);
+ if (NULL != cp->respect_iterate_req)
+ {
+ GNUNET_PEERSTORE_iterate_cancel (cp->respect_iterate_req);
+ cp->respect_iterate_req = NULL;
+ }
if (NULL != cp->migration_pth)
{
GSF_peer_transmit_cancel_ (cp->migration_pth);
/**
- * Closure for 'call_iterator'.
+ * Closure for #call_iterator().
*/
struct IterationContext
{
GSF_ConnectedPeerIterator it;
/**
- * Closure for 'it'.
+ * Closure for @e it.
*/
void *it_cls;
};
* @return #GNUNET_YES to continue iteration
*/
static int
-call_iterator (void *cls, const struct GNUNET_PeerIdentity * key, void *value)
+call_iterator (void *cls,
+ const struct GNUNET_PeerIdentity *key,
+ void *value)
{
struct IterationContext *ic = cls;
struct GSF_ConnectedPeer *cp = value;
- ic->it (ic->it_cls, (const struct GNUNET_PeerIdentity *) key, cp, &cp->ppd);
+ ic->it (ic->it_cls,
+ key, cp,
+ &cp->ppd);
return GNUNET_YES;
}
* @param it_cls closure for @a it
*/
void
-GSF_iterate_connected_peers_ (GSF_ConnectedPeerIterator it, void *it_cls)
+GSF_iterate_connected_peers_ (GSF_ConnectedPeerIterator it,
+ void *it_cls)
{
struct IterationContext ic;
ic.it = it;
ic.it_cls = it_cls;
- GNUNET_CONTAINER_multipeermap_iterate (cp_map, &call_iterator, &ic);
+ GNUNET_CONTAINER_multipeermap_iterate (cp_map,
+ &call_iterator,
+ &ic);
}
/**
* Assemble a migration stop message for transmission.
*
- * @param cls the 'struct GSF_ConnectedPeer' to use
- * @param size number of bytes we're allowed to write to buf
+ * @param cls the `struct GSF_ConnectedPeer` to use
+ * @param size number of bytes we're allowed to write to @a buf
* @param buf where to copy the message
- * @return number of bytes copied to buf
+ * @return number of bytes copied to @a buf
*/
static size_t
-create_migration_stop_message (void *cls, size_t size, void *buf)
+create_migration_stop_message (void *cls,
+ size_t size,
+ void *buf)
{
struct GSF_ConnectedPeer *cp = cls;
struct MigrationStopMessage msm;
}
-/**
- * Write peer-respect information to a file - flush the buffer entry!
- *
- * @param cls unused
- * @param key peer identity
- * @param value the 'struct GSF_ConnectedPeer' to flush
- * @return GNUNET_OK to continue iteration
- */
-static int
-flush_respect (void *cls, const struct GNUNET_PeerIdentity * key, void *value)
-{
- struct GSF_ConnectedPeer *cp = value;
- char *fn;
- uint32_t respect;
- struct GNUNET_PeerIdentity pid;
-
- if (cp->ppd.respect == cp->disk_respect)
- return GNUNET_OK; /* unchanged */
- GNUNET_assert (0 != cp->ppd.pid);
- GNUNET_PEER_resolve (cp->ppd.pid, &pid);
- fn = get_respect_filename (&pid);
- if (cp->ppd.respect == 0)
- {
- if ((0 != UNLINK (fn)) && (errno != ENOENT))
- GNUNET_log_strerror_file (GNUNET_ERROR_TYPE_WARNING |
- GNUNET_ERROR_TYPE_BULK, "unlink", fn);
- }
- else
- {
- respect = htonl (cp->ppd.respect);
- if (sizeof (uint32_t) ==
- GNUNET_DISK_fn_write (fn, &respect, sizeof (uint32_t),
- GNUNET_DISK_PERM_USER_READ |
- GNUNET_DISK_PERM_USER_WRITE |
- GNUNET_DISK_PERM_GROUP_READ |
- GNUNET_DISK_PERM_OTHER_READ))
- cp->disk_respect = cp->ppd.respect;
- }
- GNUNET_free (fn);
- return GNUNET_OK;
-}
-
-
/**
* Notify core about a preference we have for the given peer
* (to allocate more resources towards it). The change will
GSF_connected_peer_init_ ()
{
cp_map = GNUNET_CONTAINER_multipeermap_create (128, GNUNET_YES);
- GNUNET_assert (GNUNET_OK ==
- GNUNET_CONFIGURATION_get_value_filename (GSF_cfg, "fs",
- "RESPECT",
- &respectDirectory));
- GNUNET_break (GNUNET_OK == GNUNET_DISK_directory_create (respectDirectory));
+ peerstore = GNUNET_PEERSTORE_connect (GSF_cfg);
GNUNET_SCHEDULER_add_with_priority (GNUNET_SCHEDULER_PRIORITY_HIGH,
&cron_flush_respect, NULL);
}
GNUNET_CONTAINER_multipeermap_iterate (cp_map, &clean_peer, NULL);
GNUNET_CONTAINER_multipeermap_destroy (cp_map);
cp_map = NULL;
- GNUNET_free (respectDirectory);
- respectDirectory = NULL;
+ GNUNET_PEERSTORE_disconnect (peerstore, GNUNET_YES);
}
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