/*
This file is part of GNUnet
- (C) 2009, 2010 Christian Grothoff (and other contributing authors)
+ Copyright (C) 2009, 2010 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
*/
struct GNUNET_PEERINFO_Handle *
GNUNET_PEERINFO_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
-
/**
* Disconnect from the peerinfo service. Note that all iterators must
* have completed or have been cancelled by the time this function is
* called (otherwise, calling this function is a serious error).
- * Furthermore, if 'GNUNET_PEERINFO_add_peer' operations are still
+ * Furthermore, if #GNUNET_PEERINFO_add_peer() operations are still
* pending, they will be cancelled silently on disconnect.
*
* @param h handle to disconnect
/**
- * Add a host to the persistent list. This method operates in
- * semi-reliable mode: if the transmission is not completed by
- * the time 'GNUNET_PEERINFO_disconnect' is called, it will be
- * aborted. Furthermore, if a second HELLO is added for the
- * same peer before the first one was transmitted, PEERINFO may
- * merge the two HELLOs prior to transmission to the service.
+ * Continuation called with a status result.
*
- * @param h handle to the peerinfo service
- * @param hello the verified (!) HELLO message
- */
-void
-GNUNET_PEERINFO_add_peer (struct GNUNET_PEERINFO_Handle *h,
- const struct GNUNET_HELLO_Message *hello);
-
-
-/**
- * Connect to the peerinfo service.
- *
- * @param cfg configuration to use
- * @return NULL on error (configuration related, actual connection
- * etablishment may happen asynchronously).
+ * @param cls closure
+ * @param emsg error message, NULL on success
*/
-struct GNUNET_PEERINFO_Handle *
-GNUNET_PEERINFO_standalone_connect (const struct GNUNET_CONFIGURATION_Handle *cfg);
+typedef void
+(*GNUNET_PEERINFO_Continuation)(void *cls,
+ const char *emsg);
/**
- * Disconnect from the peerinfo service. Note that all iterators must
- * have completed or have been cancelled by the time this function is
- * called (otherwise, calling this function is a serious error).
- * Furthermore, if 'GNUNET_PEERINFO_add_peer' operations are still
- * pending, they will be cancelled silently on disconnect.
- *
- * @param h handle to disconnect
+ * Opaque handle to cancel 'add' operation.
*/
-void
-GNUNET_PEERINFO_standalone_disconnect (struct GNUNET_PEERINFO_Handle *h);
+struct GNUNET_PEERINFO_AddContext;
/**
* Add a host to the persistent list. This method operates in
* semi-reliable mode: if the transmission is not completed by
- * the time 'GNUNET_PEERINFO_disconnect' is called, it will be
+ * the time #GNUNET_PEERINFO_disconnect() is called, it will be
* aborted. Furthermore, if a second HELLO is added for the
* same peer before the first one was transmitted, PEERINFO may
* merge the two HELLOs prior to transmission to the service.
*
* @param h handle to the peerinfo service
* @param hello the verified (!) HELLO message
+ * @param cont continuation to call when done, NULL is allowed
+ * @param cont_cls closure for @a cont
+ * @return handle to cancel add operation; all pending
+ * 'add' operations will be cancelled automatically
+ * on disconnect, so it is not necessary to keep this
+ * handle (unless @a cont is NULL and at some point
+ * calling @a cont must be prevented)
+ */
+struct GNUNET_PEERINFO_AddContext *
+GNUNET_PEERINFO_add_peer (struct GNUNET_PEERINFO_Handle *h,
+ const struct GNUNET_HELLO_Message *hello,
+ GNUNET_PEERINFO_Continuation cont,
+ void *cont_cls);
+
+
+/**
+ * Cancel pending 'add' operation. Must only be called before
+ * either 'cont' or #GNUNET_PEERINFO_disconnect() are invoked.
+ *
+ * @param ac handle for the add operation to cancel
*/
void
-GNUNET_PEERINFO_standalone_add_peer (struct GNUNET_PEERINFO_Handle *h,
- const struct GNUNET_HELLO_Message *hello);
+GNUNET_PEERINFO_add_peer_cancel (struct GNUNET_PEERINFO_AddContext *ac);
+
/**
* Type of an iterator over the hosts. Note that each
* @param error message
*/
typedef void
- (*GNUNET_PEERINFO_Processor) (void *cls,
- const struct GNUNET_PeerIdentity * peer,
- const struct GNUNET_HELLO_Message * hello,
- const char * err_msg);
+(*GNUNET_PEERINFO_Processor) (void *cls,
+ const struct GNUNET_PeerIdentity *peer,
+ const struct GNUNET_HELLO_Message *hello,
+ const char *err_msg);
/**
/**
- * Call a method for each known matching host and change its trust
- * value. The callback method will be invoked once for each matching
- * host and then finally once with a NULL pointer. After that final
- * invocation, the iterator context must no longer be used.
+ * Call a method for each known matching host. The callback method
+ * will be invoked once for each matching host and then finally once
+ * with a NULL pointer. After that final invocation, the iterator
+ * context must no longer be used.
*
- * Instead of calling this function with 'peer == NULL'
- * it is often better to use 'GNUNET_PEERINFO_notify'.
- *
- * @param h handle to the peerinfo service
- * @param peer restrict iteration to this peer only (can be NULL)
- * @param timeout how long to wait until timing out
- * @param callback the method to call for each peer
- * @param callback_cls closure for callback
- * @return NULL on error (in this case, 'callback' is never called!),
- * otherwise an iterator context
- */
-struct GNUNET_PEERINFO_IteratorContext *
-GNUNET_PEERINFO_iterate (struct GNUNET_PEERINFO_Handle *h,
- const struct GNUNET_PeerIdentity *peer,
- struct GNUNET_TIME_Relative timeout,
- GNUNET_PEERINFO_Processor callback,
- void *callback_cls);
-
-
-
-/**
- * Cancel an iteration over peer information.
- *
- * @param ic context of the iterator to cancel
- */
-void
-GNUNET_PEERINFO_iterate_cancel (struct GNUNET_PEERINFO_IteratorContext *ic);
-
-/**
- * Call a method for each known matching host and change its trust
- * value. The callback method will be invoked once for each matching
- * host and then finally once with a NULL pointer. After that final
- * invocation, the iterator context must no longer be used.
- *
- * Instead of calling this function with 'peer == NULL'
- * it is often better to use 'GNUNET_PEERINFO_notify'.
+ * Instead of calling this function with `peer == NULL` it is often
+ * better to use #GNUNET_PEERINFO_notify().
*
* @param h handle to the peerinfo service
+ * @param include_friend_only include HELLO messages for friends only
* @param peer restrict iteration to this peer only (can be NULL)
* @param timeout how long to wait until timing out
* @param callback the method to call for each peer
- * @param callback_cls closure for callback
- * @return NULL on error (in this case, 'callback' is never called!),
- * otherwise an iterator context
+ * @param callback_cls closure for @a callback
+ * @return iterator context
*/
struct GNUNET_PEERINFO_IteratorContext *
-GNUNET_PEERINFO_standalone_iterate (struct GNUNET_PEERINFO_Handle *h,
+GNUNET_PEERINFO_iterate (struct GNUNET_PEERINFO_Handle *h,
+ int include_friend_only,
const struct GNUNET_PeerIdentity *peer,
struct GNUNET_TIME_Relative timeout,
- GNUNET_PEERINFO_Processor callback,
- void *callback_cls);
-
+ GNUNET_PEERINFO_Processor callback, void *callback_cls);
/**
* @param ic context of the iterator to cancel
*/
void
-GNUNET_PEERINFO_standalone_iterate_cancel (struct GNUNET_PEERINFO_IteratorContext *ic);
+GNUNET_PEERINFO_iterate_cancel (struct GNUNET_PEERINFO_IteratorContext *ic);
+
/**
* Handle for notifications about changes to the set of known peers.
/**
* Call a method whenever our known information about peers
* changes. Initially calls the given function for all known
- * peers and then only signals changes. Note that it is
- * possible (i.e. on disconnects) that the callback is called
- * twice with the same peer information.
+ * peers and then only signals changes.
+ *
+ * If include_friend_only is set to GNUNET_YES peerinfo will include HELLO
+ * messages which are intended for friend to friend mode and which do not
+ * have to be gossiped. Otherwise these messages are skipped.
*
* @param cfg configuration to use
+ * @param include_friend_only include HELLO messages for friends only
* @param callback the method to call for each peer
- * @param callback_cls closure for callback
+ * @param callback_cls closure for @a callback
* @return NULL on error
*/
struct GNUNET_PEERINFO_NotifyContext *
GNUNET_PEERINFO_notify (const struct GNUNET_CONFIGURATION_Handle *cfg,
- GNUNET_PEERINFO_Processor callback,
- void *callback_cls);
+ int include_friend_only,
+ GNUNET_PEERINFO_Processor callback,
+ void *callback_cls);
/**
projects / oweals / gnunet.git / blobdiff