/*
This file is part of GNUnet
- (C) 2004, 2005, 2006, 2007, 2008, 2009 Christian Grothoff (and other contributing authors)
+ (C) 2004--2013 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
* 6.0.0: with support for OR in KSKs
* 6.1.x: with simplified namespace support
* 9.0.0: CPS-style integrated API
+ * 9.1.1: asynchronous directory scanning
+ * 9.2.0: unified K-Block and S-block format (#2564)
*/
-#define GNUNET_FS_VERSION 0x00090000
+#define GNUNET_FS_VERSION 0x00090200
/* ******************** URI API *********************** */
#define GNUNET_FS_URI_LOC_INFIX "loc/"
+/**
+ * How often do we signal applications that a probe for a particular
+ * search result is running? (used to visualize probes).
+ */
+#define GNUNET_FS_PROBE_UPDATE_FREQUENCY GNUNET_TIME_relative_multiply (GNUNET_TIME_UNIT_MILLISECONDS, 250)
+
/**
* A Universal Resource Identifier (URI), opaque.
*/
* @param cls closure
* @param keyword the keyword
* @param is_mandatory is the keyword mandatory (in a search)
- * @return GNUNET_OK to continue to iterate, GNUNET_SYSERR to abort
+ * @return #GNUNET_OK to continue to iterate, #GNUNET_SYSERR to abort
*/
typedef int (*GNUNET_FS_KeywordIterator) (void *cls, const char *keyword,
int is_mandatory);
+
+
/**
* Get a unique key from a URI. This is for putting URIs
* into HashMaps. The key may change between FS implementations.
* @param key wherer to store the unique key
*/
void
-GNUNET_FS_uri_to_key (const struct GNUNET_FS_Uri *uri, GNUNET_HashCode * key);
+GNUNET_FS_uri_to_key (const struct GNUNET_FS_Uri *uri,
+ struct GNUNET_HashCode *key);
+
/**
* Convert a URI to a UTF-8 String.
char *
GNUNET_FS_uri_to_string (const struct GNUNET_FS_Uri *uri);
+
/**
* Convert keyword URI to a human readable format
* (i.e. the search query that was used in the first place)
* @param is_mandatory is this keyword mandatory?
*/
void
-GNUNET_FS_uri_ksk_add_keyword (struct GNUNET_FS_Uri *uri, const char *keyword,
+GNUNET_FS_uri_ksk_add_keyword (struct GNUNET_FS_Uri *uri,
+ const char *keyword,
int is_mandatory);
struct GNUNET_FS_Uri *
GNUNET_FS_uri_parse (const char *uri, char **emsg);
+
/**
* Free URI.
*
*
* @param uri ksk uri to get the keywords from
* @param iterator function to call on each keyword
- * @param iterator_cls closure for iterator
+ * @param iterator_cls closure for @a iterator
* @return -1 if this is not a keyword URI, otherwise number of
* keywords iterated over until iterator aborted
*/
*
* @param uri the location URI to inspect
* @param peer where to store the identify of the peer (presumably) offering the content
- * @return GNUNET_SYSERR if this is not a location URI, otherwise GNUNET_OK
+ * @return #GNUNET_SYSERR if this is not a location URI, otherwise #GNUNET_OK
*/
int
GNUNET_FS_uri_loc_get_peer_identity (const struct GNUNET_FS_Uri *uri,
struct GNUNET_TIME_Absolute expiration_time);
-/**
- * Canonicalize keyword URI. Performs operations such
- * as decapitalization and removal of certain characters.
- * (useful for search).
- *
- * @param uri the URI to canonicalize
- * @return canonicalized version of the URI, NULL on error
- */
-struct GNUNET_FS_Uri *
-GNUNET_FS_uri_ksk_canonicalize (const struct GNUNET_FS_Uri *uri);
-
-
/**
* Merge the sets of keywords from two KSK URIs.
- * (useful for merging the canonicalized keywords with
- * the original keywords for sharing).
*
* @param u1 first uri
* @param u2 second uri
* if keywords is not legal (i.e. empty).
*/
struct GNUNET_FS_Uri *
-GNUNET_FS_uri_ksk_create_from_args (unsigned int argc, const char **argv);
+GNUNET_FS_uri_ksk_create_from_args (unsigned int argc,
+ const char **argv);
/**
*
* @param u1 one of the URIs
* @param u2 the other URI
- * @return GNUNET_YES if the URIs are equal
+ * @return #GNUNET_YES if the URIs are equal
*/
int
GNUNET_FS_uri_test_equal (const struct GNUNET_FS_Uri *u1,
* Is this a namespace URI?
*
* @param uri the uri to check
- * @return GNUNET_YES if this is an SKS uri
+ * @return #GNUNET_YES if this is an SKS uri
*/
int
GNUNET_FS_uri_test_sks (const struct GNUNET_FS_Uri *uri);
-/**
- * Handle to one of our namespaces.
- */
-struct GNUNET_FS_Namespace;
-
-
-/**
- * Create an SKS URI from a namespace and an identifier.
- *
- * @param ns namespace
- * @param id identifier
- * @param emsg where to store an error message
- * @return an FS URI for the given namespace and identifier
- */
-struct GNUNET_FS_Uri *
-GNUNET_FS_uri_sks_create (struct GNUNET_FS_Namespace *ns, const char *id,
- char **emsg);
-
-
/**
* Create an SKS URI from a namespace ID and an identifier.
*
- * @param nsid namespace ID
+ * @param ns pseudonym to use
* @param id identifier
* @return an FS URI for the given namespace and identifier
*/
struct GNUNET_FS_Uri *
-GNUNET_FS_uri_sks_create_from_nsid (GNUNET_HashCode * nsid, const char *id);
+GNUNET_FS_uri_sks_create (const struct GNUNET_CRYPTO_EcdsaPublicKey *ns,
+ const char *id);
/**
- * Get the ID of a namespace from the given
+ * Get the public key of a namespace from the given
* namespace URI.
*
* @param uri the uri to get the namespace ID from
- * @param nsid where to store the ID of the namespace
- * @return GNUNET_OK on success
+ * @param pseudonym where to store the public key of the namespace
+ * @return #GNUNET_OK on success
*/
int
GNUNET_FS_uri_sks_get_namespace (const struct GNUNET_FS_Uri *uri,
- GNUNET_HashCode * nsid);
+ struct GNUNET_CRYPTO_EcdsaPublicKey *pseudonym);
/**
GNUNET_FS_uri_sks_get_content_id (const struct GNUNET_FS_Uri *uri);
-/**
- * Convert namespace URI to a human readable format
- * (using the namespace description, if available).
- *
- * @param cfg configuration to use
- * @param uri SKS uri to convert
- * @return NULL on error (not an SKS URI)
- */
-char *
-GNUNET_FS_uri_sks_to_string_fancy (struct GNUNET_CONFIGURATION_Handle *cfg,
- const struct GNUNET_FS_Uri *uri);
-
-
/**
* Is this a keyword URI?
*
* @param uri the uri
- * @return GNUNET_YES if this is a KSK uri
+ * @return #GNUNET_YES if this is a KSK uri
*/
int
GNUNET_FS_uri_test_ksk (const struct GNUNET_FS_Uri *uri);
* Is this a file (or directory) URI?
*
* @param uri the uri to check
- * @return GNUNET_YES if this is a CHK uri
+ * @return #GNUNET_YES if this is a CHK uri
*/
int
GNUNET_FS_uri_test_chk (const struct GNUNET_FS_Uri *uri);
* Is this a location URI?
*
* @param uri the uri to check
- * @return GNUNET_YES if this is a LOC uri
+ * @return #GNUNET_YES if this is a LOC uri
*/
int
GNUNET_FS_uri_test_loc (const struct GNUNET_FS_Uri *uri);
* @param scls must be of type "struct GNUNET_FS_Uri **"
* @param option name of the option (typically 'k')
* @param value command line argument given
- * @return GNUNET_OK on success
+ * @return #GNUNET_OK on success
*/
int
GNUNET_FS_getopt_set_keywords (struct GNUNET_GETOPT_CommandLineProcessorContext
* the metadata must be passed as the "scls" argument.
*
* @param ctx command line processor context
- * @param scls must be of type "struct GNUNET_CONTAINER_MetaData **"
+ * @param scls must be of type `struct GNUNET_CONTAINER_MetaData **`
* @param option name of the option (typically 'k')
* @param value command line argument given
- * @return GNUNET_OK on success
+ * @return #GNUNET_OK on success
*/
int
GNUNET_FS_getopt_set_metadata (struct GNUNET_GETOPT_CommandLineProcessorContext
/**
* Notification that we have started to publish a file structure.
*/
- GNUNET_FS_STATUS_PUBLISH_START,
+ GNUNET_FS_STATUS_PUBLISH_START = 0,
/**
* Notification that we have resumed sharing a file structure.
*/
- GNUNET_FS_STATUS_PUBLISH_RESUME,
+ GNUNET_FS_STATUS_PUBLISH_RESUME = 1,
/**
* Notification that we have suspended sharing a file structure.
*/
- GNUNET_FS_STATUS_PUBLISH_SUSPEND,
+ GNUNET_FS_STATUS_PUBLISH_SUSPEND = 2,
/**
* Notification that we are making progress sharing a file structure.
*/
- GNUNET_FS_STATUS_PUBLISH_PROGRESS,
+ GNUNET_FS_STATUS_PUBLISH_PROGRESS = 3,
/**
* Notification that an error was encountered sharing a file structure.
* The application will continue to receive resume/suspend events for
* this structure until "GNUNET_FS_publish_stop" is called.
*/
- GNUNET_FS_STATUS_PUBLISH_ERROR,
+ GNUNET_FS_STATUS_PUBLISH_ERROR = 4,
/**
* Notification that we completed sharing a file structure.
* The application will continue to receive resume/suspend events for
* this structure until "GNUNET_FS_publish_stop" is called.
*/
- GNUNET_FS_STATUS_PUBLISH_COMPLETED,
+ GNUNET_FS_STATUS_PUBLISH_COMPLETED = 5,
/**
* Notification that we have stopped
* the process of uploading a file structure; no
* futher events will be generated for this action.
*/
- GNUNET_FS_STATUS_PUBLISH_STOPPED,
+ GNUNET_FS_STATUS_PUBLISH_STOPPED = 6,
/**
* Notification that we have started this download.
*/
- GNUNET_FS_STATUS_DOWNLOAD_START,
+ GNUNET_FS_STATUS_DOWNLOAD_START = 7,
/**
* Notification that this download is being resumed.
*/
- GNUNET_FS_STATUS_DOWNLOAD_RESUME,
+ GNUNET_FS_STATUS_DOWNLOAD_RESUME = 8,
/**
* Notification that this download was suspended.
*/
- GNUNET_FS_STATUS_DOWNLOAD_SUSPEND,
+ GNUNET_FS_STATUS_DOWNLOAD_SUSPEND = 9,
/**
* Notification about progress with this download.
*/
- GNUNET_FS_STATUS_DOWNLOAD_PROGRESS,
+ GNUNET_FS_STATUS_DOWNLOAD_PROGRESS = 10,
/**
* Notification that this download encountered an error.
*/
- GNUNET_FS_STATUS_DOWNLOAD_ERROR,
+ GNUNET_FS_STATUS_DOWNLOAD_ERROR = 11,
/**
* Notification that this download completed. Note that for
* directories, completion does not imply completion of all files in
* the directory.
*/
- GNUNET_FS_STATUS_DOWNLOAD_COMPLETED,
+ GNUNET_FS_STATUS_DOWNLOAD_COMPLETED = 12,
/**
* Notification that this download was stopped
* (final event with respect to this action).
*/
- GNUNET_FS_STATUS_DOWNLOAD_STOPPED,
+ GNUNET_FS_STATUS_DOWNLOAD_STOPPED = 13,
/**
* Notification that this download is now actively being
* pursued (as opposed to waiting in the queue).
*/
- GNUNET_FS_STATUS_DOWNLOAD_ACTIVE,
+ GNUNET_FS_STATUS_DOWNLOAD_ACTIVE = 14,
/**
* Notification that this download is no longer actively
* being pursued (back in the queue).
*/
- GNUNET_FS_STATUS_DOWNLOAD_INACTIVE,
+ GNUNET_FS_STATUS_DOWNLOAD_INACTIVE = 15,
/**
* Notification that this download is no longer part of a
* download (and may thus need to be moved in the GUI
* into a different category).
*/
- GNUNET_FS_STATUS_DOWNLOAD_LOST_PARENT,
+ GNUNET_FS_STATUS_DOWNLOAD_LOST_PARENT = 16,
/**
* First event generated when a client requests
* a search to begin or when a namespace result
* automatically triggers the search for updates.
*/
- GNUNET_FS_STATUS_SEARCH_START,
+ GNUNET_FS_STATUS_SEARCH_START = 17,
/**
* Last event when a search is being resumed;
* note that "GNUNET_FS_SEARCH_START" will not
* be generated in this case.
*/
- GNUNET_FS_STATUS_SEARCH_RESUME,
+ GNUNET_FS_STATUS_SEARCH_RESUME = 18,
/**
* Event generated for each search result
* when the respective search is resumed.
*/
- GNUNET_FS_STATUS_SEARCH_RESUME_RESULT,
+ GNUNET_FS_STATUS_SEARCH_RESUME_RESULT = 19,
/**
* Last event when a search is being suspended;
* note that "GNUNET_FS_SEARCH_STOPPED" will not
* be generated in this case.
*/
- GNUNET_FS_STATUS_SEARCH_SUSPEND,
+ GNUNET_FS_STATUS_SEARCH_SUSPEND = 20,
/**
* This search has yielded a result.
*/
- GNUNET_FS_STATUS_SEARCH_RESULT,
+ GNUNET_FS_STATUS_SEARCH_RESULT = 21,
/**
* We have discovered a new namespace.
*/
- GNUNET_FS_STATUS_SEARCH_RESULT_NAMESPACE,
+ GNUNET_FS_STATUS_SEARCH_RESULT_NAMESPACE = 22,
/**
* We have additional data about the quality
* or availability of a search result.
*/
- GNUNET_FS_STATUS_SEARCH_UPDATE,
+ GNUNET_FS_STATUS_SEARCH_UPDATE = 23,
/**
* Signals a problem with this search.
*/
- GNUNET_FS_STATUS_SEARCH_ERROR,
+ GNUNET_FS_STATUS_SEARCH_ERROR = 24,
/**
* Signals that this search was paused.
*/
- GNUNET_FS_STATUS_SEARCH_PAUSED,
+ GNUNET_FS_STATUS_SEARCH_PAUSED = 25,
/**
* Signals that this search was continued (unpaused).
*/
- GNUNET_FS_STATUS_SEARCH_CONTINUED,
+ GNUNET_FS_STATUS_SEARCH_CONTINUED = 26,
/**
* Event generated for each search result
* when the respective search is stopped.
*/
- GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED,
+ GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED = 27,
/**
* Event generated for each search result
* when the respective search is suspended.
*/
- GNUNET_FS_STATUS_SEARCH_RESULT_SUSPEND,
+ GNUNET_FS_STATUS_SEARCH_RESULT_SUSPEND = 28,
/**
* Last message from a search; this signals
* that there will be no further events associated
* with this search.
*/
- GNUNET_FS_STATUS_SEARCH_STOPPED,
+ GNUNET_FS_STATUS_SEARCH_STOPPED = 29,
/**
* Notification that we started to unindex a file.
*/
- GNUNET_FS_STATUS_UNINDEX_START,
+ GNUNET_FS_STATUS_UNINDEX_START = 30,
/**
* Notification that we resumed unindexing of a file.
*/
- GNUNET_FS_STATUS_UNINDEX_RESUME,
+ GNUNET_FS_STATUS_UNINDEX_RESUME = 31,
/**
* Notification that we suspended unindexing a file.
*/
- GNUNET_FS_STATUS_UNINDEX_SUSPEND,
+ GNUNET_FS_STATUS_UNINDEX_SUSPEND = 32,
/**
* Notification that we made progress unindexing a file.
*/
- GNUNET_FS_STATUS_UNINDEX_PROGRESS,
+ GNUNET_FS_STATUS_UNINDEX_PROGRESS = 33,
/**
* Notification that we encountered an error unindexing
* a file.
*/
- GNUNET_FS_STATUS_UNINDEX_ERROR,
+ GNUNET_FS_STATUS_UNINDEX_ERROR = 34,
/**
* Notification that the unindexing of this file
* was completed.
*/
- GNUNET_FS_STATUS_UNINDEX_COMPLETED,
+ GNUNET_FS_STATUS_UNINDEX_COMPLETED = 35,
/**
* Notification that the unindexing of this file
* was stopped (final event for this action).
*/
- GNUNET_FS_STATUS_UNINDEX_STOPPED
+ GNUNET_FS_STATUS_UNINDEX_STOPPED = 36,
+
+ /**
+ * Notification that we are making progress sharing a directory.
+ */
+ GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY = 37
+
};
/**
* These values are only valid for
- * GNUNET_FS_STATUS_PUBLISH_PROGRESS events.
+ * #GNUNET_FS_STATUS_PUBLISH_PROGRESS events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_PUBLISH_RESUME events.
+ * #GNUNET_FS_STATUS_PUBLISH_PROGRESS_DIRECTORY events.
+ */
+ struct
+ {
+
+ /**
+ * How far are we along in the overall directory?
+ */
+ uint64_t completed;
+
+ /**
+ * How big do we estimate the entire directory to be?
+ */
+ uint64_t total;
+
+ /**
+ * At what time do we expect to finish the upload of the
+ * CONTENTS of the directory. (The direcory itself will take
+ * extra time, indicated with the "eta" member at the
+ * "publish"-level of this struct.)
+ */
+ struct GNUNET_TIME_Relative eta;
+
+ } progress_directory;
+
+ /**
+ * These values are only valid for
+ * #GNUNET_FS_STATUS_PUBLISH_RESUME events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_PUBLISH_COMPLETED events.
+ * #GNUNET_FS_STATUS_PUBLISH_COMPLETED events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_PUBLISH_ERROR events.
+ * #GNUNET_FS_STATUS_PUBLISH_ERROR events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_DOWNLOAD_PROGRESS events.
+ * #GNUNET_FS_STATUS_DOWNLOAD_PROGRESS events.
*/
struct
{
*/
uint64_t data_len;
+ /**
+ * How much time passed between us asking for this block and
+ * actually getting it? #GNUNET_TIME_UNIT_FOREVER_REL if unknown.
+ */
+ struct GNUNET_TIME_Relative block_download_duration;
+
/**
* Depth of the given block in the tree;
* 0 would be the lowest level (DBLOCKS).
unsigned int depth;
/**
- * How much trust did we offer for downloading this block?
+ * How much respect did we offer for downloading this block? (estimate,
+ * because we might have the same request pending for multiple clients,
+ * and of course because a transmission may have failed at a lower
+ * layer).
*/
- unsigned int trust_offered;
+ uint32_t respect_offered;
+
+ /**
+ * How often did we transmit the request? (estimate,
+ * because we might have the same request pending for multiple clients,
+ * and of course because a transmission may have failed at a lower
+ * layer).
+ */
+ uint32_t num_transmissions;
} progress;
/**
* These values are only valid for
- * GNUNET_FS_STATUS_DOWNLOAD_START events.
+ * #GNUNET_FS_STATUS_DOWNLOAD_START events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_DOWNLOAD_RESUME events.
+ * #GNUNET_FS_STATUS_DOWNLOAD_RESUME events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_DOWNLOAD_ERROR events.
+ * #GNUNET_FS_STATUS_DOWNLOAD_ERROR events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_RESULT events.
+ * #GNUNET_FS_STATUS_SEARCH_RESULT events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_RESUME_RESULT events.
+ * #GNUNET_FS_STATUS_SEARCH_RESUME_RESULT events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_UPDATE events.
+ * #GNUNET_FS_STATUS_SEARCH_UPDATE events.
*/
struct
{
*/
uint32_t applicability_rank;
+ /**
+ * How long has the current probe been active?
+ */
+ struct GNUNET_TIME_Relative current_probe_time;
+
} update;
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_RESULT_SUSPEND events.
+ * #GNUNET_FS_STATUS_SEARCH_RESULT_SUSPEND events.
* These events are automatically triggered for
* each search result before the
- * GNUNET_FS_STATUS_SEARCH_SUSPEND event. This
+ * #GNUNET_FS_STATUS_SEARCH_SUSPEND event. This
* happens primarily to give the client a chance
* to clean up the "cctx" (if needed).
*/
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED events.
+ * #GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED events.
* These events are automatically triggered for
* each search result before the
- * GNUNET_FS_STATUS_SEARCH_STOPPED event. This
+ * #GNUNET_FS_STATUS_SEARCH_STOPPED event. This
* happens primarily to give the client a chance
* to clean up the "cctx" (if needed).
*/
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_RESUME events.
+ * #GNUNET_FS_STATUS_SEARCH_RESUME events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_SEARCH_ERROR events.
+ * #GNUNET_FS_STATUS_SEARCH_ERROR events.
*/
struct
{
} error;
/**
- * Values for all "GNUNET_FS_STATUS_SEARCH_RESULT_NAMESPACE" events.
+ * Values for #GNUNET_FS_STATUS_SEARCH_RESULT_NAMESPACE events.
*/
struct
{
- /**
- * Handle to the namespace (NULL if it is not a local
- * namespace).
- */
- struct GNUNET_FS_Namespace *ns;
-
/**
* Short, human-readable name of the namespace.
*/
const struct GNUNET_CONTAINER_MetaData *meta;
/**
- * Hash-identifier for the namespace.
+ * Public key of the namespace.
*/
- GNUNET_HashCode id;
+ struct GNUNET_CRYPTO_EcdsaPublicKey pseudonym;
- } namespace;
+ } ns;
} specifics;
/**
* These values are only valid for
- * GNUNET_FS_STATUS_UNINDEX_PROGRESS events.
+ * #GNUNET_FS_STATUS_UNINDEX_PROGRESS events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_UNINDEX_RESUME events.
+ * #GNUNET_FS_STATUS_UNINDEX_RESUME events.
*/
struct
{
/**
* These values are only valid for
- * GNUNET_FS_STATUS_UNINDEX_ERROR events.
+ * #GNUNET_FS_STATUS_UNINDEX_ERROR events.
*/
struct
{
*/
enum GNUNET_FS_Status status;
+ /**
+ * File-sharing handle that generated the event.
+ */
+ struct GNUNET_FS_Handle *fsh;
};
* for this operation; should be set to NULL for
* SUSPEND and STOPPED events). The value returned
* will be passed to future callbacks in the respective
- * field in the GNUNET_FS_ProgressInfo struct.
+ * field in the `struct GNUNET_FS_ProgressInfo`.
*/
typedef void *(*GNUNET_FS_ProgressCallback) (void *cls,
- const struct GNUNET_FS_ProgressInfo
- * info);
+ const struct GNUNET_FS_ProgressInfo *info);
/**
*/
enum GNUNET_FS_Flags
{
- /**
- * No special flags set.
- */
+ /**
+ * No special flags set.
+ */
GNUNET_FS_FLAGS_NONE = 0,
- /**
- * Is persistence of operations desired?
- * (will create SUSPEND/RESUME events).
- */
+ /**
+ * Is persistence of operations desired?
+ * (will create SUSPEND/RESUME events).
+ */
GNUNET_FS_FLAGS_PERSISTENCE = 1,
- /**
- * Should we automatically trigger probes for search results
- * to determine availability?
- * (will create GNUNET_FS_STATUS_SEARCH_UPDATE events).
- */
+ /**
+ * Should we automatically trigger probes for search results
+ * to determine availability?
+ * (will create #GNUNET_FS_STATUS_SEARCH_UPDATE events).
+ */
GNUNET_FS_FLAGS_DO_PROBES = 2
};
+
/**
* Options specified in the VARARGs portion of GNUNET_FS_start.
*/
enum GNUNET_FS_OPTIONS
{
- /**
- * Last option in the VARARG list.
- */
+ /**
+ * Last option in the VARARG list.
+ */
GNUNET_FS_OPTIONS_END = 0,
- /**
- * Select the desired amount of parallelism (this option should be
- * followed by an "unsigned int" giving the desired maximum number
- * of parallel downloads).
- */
+ /**
+ * Select the desired amount of parallelism (this option should be
+ * followed by an "unsigned int" giving the desired maximum number
+ * of parallel downloads).
+ */
GNUNET_FS_OPTIONS_DOWNLOAD_PARALLELISM = 1,
- /**
- * Maximum number of requests that should be pending at a given
- * point in time (invidivual downloads may go above this, but
- * if we are above this threshold, we should not activate any
- * additional downloads.
- */
+ /**
+ * Maximum number of requests that should be pending at a given
+ * point in time (invidivual downloads may go above this, but
+ * if we are above this threshold, we should not activate any
+ * additional downloads.
+ */
GNUNET_FS_OPTIONS_REQUEST_PARALLELISM = 2
};
};
-/**
- * Return the current year (i.e. '2011').
- */
-unsigned int
-GNUNET_FS_get_current_year (void);
-
-
-/**
- * Convert a year to an expiration time of January 1st of that year.
- *
- * @param year a year (after 1970, please ;-)).
- * @return absolute time for January 1st of that year.
- */
-struct GNUNET_TIME_Absolute
-GNUNET_FS_year_to_time (unsigned int year);
-
-
/**
* Handle to the file-sharing service.
*/
* @param cfg configuration to use
* @param client_name unique identifier for this client
* @param upcb function to call to notify about FS actions
- * @param upcb_cls closure for upcb
+ * @param upcb_cls closure for @a upcb
* @param flags specific attributes for fs-operations
- * @param ... list of optional options, terminated with GNUNET_FS_OPTIONS_END
+ * @param ... list of optional options, terminated with #GNUNET_FS_OPTIONS_END
* @return NULL on error
*/
struct GNUNET_FS_Handle *
/**
- * Extract meta-data from a file.
- *
- * @param md metadata to set
- * @param filename name of file to inspect
- * @param extractors plugins to use
- * @return GNUNET_SYSERR on error, otherwise the number
- * of meta-data items obtained
- */
-int
-GNUNET_FS_meta_data_extract_from_file (struct GNUNET_CONTAINER_MetaData *md,
- const char *filename,
- struct EXTRACTOR_PluginList *extractors);
-
-
-/**
- * Function called on entries in a GNUNET_FS_FileInformation publish-structure.
+ * Function called on entries in a `struct GNUNET_FS_FileInformation` iteration.
*
* @param cls closure
* @param fi the entry in the publish-structure
* @param bo block options (can be modified)
* @param do_index should we index (can be modified)
* @param client_info pointer to client context set upon creation (can be modified)
- * @return GNUNET_OK to continue, GNUNET_NO to remove
- * this entry from the directory, GNUNET_SYSERR
+ * @return #GNUNET_OK to continue, #GNUNET_NO to remove
+ * this entry from the directory, #GNUNET_SYSERR
* to abort the iteration
*/
typedef int (*GNUNET_FS_FileInformationProcessor) (void *cls,
* file information structures.
*
* @param s structure to get the filename for
- * @return NULL on error, otherwise filename that
- * can be passed to "GNUNET_FS_file_information_recover"
+ * @return NULL on error, otherwise filename that can be used
* to read this fi-struct from disk.
*/
const char *
GNUNET_FS_file_information_get_id (struct GNUNET_FS_FileInformation *s);
+/**
+ * Obtain the filename from the file information structure.
+ *
+ * @param s structure to get the filename for
+ * @return "filename" field of the structure (can be NULL)
+ */
+const char *
+GNUNET_FS_file_information_get_filename (struct GNUNET_FS_FileInformation *s);
+
+
+/**
+ * Set the filename in the file information structure.
+ * If filename was already set, frees it before setting the new one.
+ * Makes a copy of the argument.
+ *
+ * @param s structure to get the filename for
+ * @param filename filename to set
+ */
+void
+GNUNET_FS_file_information_set_filename (struct GNUNET_FS_FileInformation *s,
+ const char *filename);
+
/**
* Create an entry for a file in a publish-structure.
* @param keywords under which keywords should this file be available
* directly; can be NULL
* @param meta metadata for the file
- * @param do_index GNUNET_YES for index, GNUNET_NO for insertion,
- * GNUNET_SYSERR for simulation
+ * @param do_index #GNUNET_YES for index, #GNUNET_NO for insertion,
+ * #GNUNET_SYSERR for simulation
* @param bo block options
* @return publish structure entry for the file
*/
* @param keywords under which keywords should this file be available
* directly; can be NULL
* @param meta metadata for the file
- * @param do_index GNUNET_YES for index, GNUNET_NO for insertion,
- * GNUNET_SYSERR for simulation
+ * @param do_index #GNUNET_YES for index, #GNUNET_NO for insertion,
+ * #GNUNET_SYSERR for simulation
* @param bo block options
* @return publish structure entry for the file
*/
* @param cls closure
* @param offset offset to read from; it is possible
* that the caller might need to go backwards
- * a bit at times
+ * a bit at times; set to UINT64_MAX to tell
+ * the reader that we won't be reading for a while
+ * (used to close the file descriptor but NOT fully
+ * clean up the reader's state); in this case,
+ * a value of '0' for max should be ignored
* @param max maximum number of bytes that should be
* copied to buf; readers are not allowed
* to provide less data unless there is an error;
* the reader to clean up its internal state
* @param buf where the reader should write the data
* @param emsg location for the reader to store an error message
- * @return number of bytes written, usually "max", 0 on error
+ * @return number of bytes written, usually @a max, 0 on error
*/
typedef size_t (*GNUNET_FS_DataReader) (void *cls, uint64_t offset, size_t max,
void *buf, char **emsg);
* @param client_info initial client-info value for this entry
* @param length length of the file
* @param reader function that can be used to obtain the data for the file
- * @param reader_cls closure for "reader"
+ * @param reader_cls closure for @a reader
* @param keywords under which keywords should this file be available
* directly; can be NULL
* @param meta metadata for the file
- * @param do_index GNUNET_YES for index, GNUNET_NO for insertion,
- * GNUNET_SYSERR for simulation
+ * @param do_index #GNUNET_YES for index, #GNUNET_NO for insertion,
+ * #GNUNET_SYSERR for simulation
* @param bo block options
* @return publish structure entry for the file
*/
GNUNET_FS_BlockOptions *bo);
-/**
- * Function that a "GNUNET_FS_DirectoryScanner" should call
- * for each entry in the directory.
- *
- * @param cls closure
- * @param filename name of the file (including path); must end
- * in a "/" (even on W32) if this is a directory
- * @param fi information about the file (should not be
- * used henceforth by the caller)
- */
-typedef void (*GNUNET_FS_FileProcessor) (void *cls, const char *filename,
- struct GNUNET_FS_FileInformation * fi);
-
-
-/**
- * Type of a function that will be used to scan a directory.
- *
- * @param cls closure
- * @param h handle to the file sharing subsystem
- * @param dirname name of the directory to scan
- * @param do_index should files be indexed or inserted
- * @param bo block options
- * @param proc function to call on each entry
- * @param proc_cls closure for proc
- * @param emsg where to store an error message (on errors)
- * @return GNUNET_OK on success
- */
-typedef int (*GNUNET_FS_DirectoryScanner) (void *cls,
- struct GNUNET_FS_Handle * h,
- const char *dirname, int do_index,
- const struct GNUNET_FS_BlockOptions *
- bo, GNUNET_FS_FileProcessor proc,
- void *proc_cls, char **emsg);
-
-
-
-/**
- * Simple, useful default implementation of a directory scanner
- * (GNUNET_FS_DirectoryScanner). This implementation expects to get a
- * UNIX filename, will publish all files in the directory except hidden
- * files (those starting with a "."). Metadata will be extracted
- * using GNU libextractor; the specific list of plugins should be
- * specified in "cls", passing NULL will disable (!) metadata
- * extraction. Keywords will be derived from the metadata and be
- * subject to default canonicalization. This is strictly a
- * convenience function.
- *
- * @param cls must be of type "struct EXTRACTOR_Extractor*"
- * @param h handle to the file sharing subsystem
- * @param dirname name of the directory to scan
- * @param do_index should files be indexed or inserted
- * @param bo block options
- * @param proc function called on each entry
- * @param proc_cls closure for proc
- * @param emsg where to store an error message (on errors)
- * @return GNUNET_OK on success
- */
-int
-GNUNET_FS_directory_scanner_default (void *cls, struct GNUNET_FS_Handle *h,
- const char *dirname, int do_index,
- const struct GNUNET_FS_BlockOptions *bo,
- GNUNET_FS_FileProcessor proc,
- void *proc_cls, char **emsg);
-
-
-/**
- * Create a publish-structure from an existing file hierarchy, inferring
- * and organizing keywords and metadata as much as possible. This
- * function primarily performs the recursive build and re-organizes
- * keywords and metadata; for automatically getting metadata
- * extraction, scanning of directories and creation of the respective
- * GNUNET_FS_FileInformation entries the default scanner should be
- * passed (GNUNET_FS_directory_scanner_default). This is strictly a
- * convenience function.
- *
- * @param h handle to the file sharing subsystem
- * @param client_info initial client-info value for this entry
- * @param filename name of the top-level file or directory
- * @param scanner function used to get a list of files in a directory
- * @param scanner_cls closure for scanner
- * @param do_index should files in the hierarchy be indexed?
- * @param bo block options
- * @param emsg where to store an error message
- * @return publish structure entry for the directory, NULL on error
- */
-struct GNUNET_FS_FileInformation *
-GNUNET_FS_file_information_create_from_directory (struct GNUNET_FS_Handle *h,
- void *client_info,
- const char *filename,
- GNUNET_FS_DirectoryScanner
- scanner, void *scanner_cls,
- int do_index,
- const struct
- GNUNET_FS_BlockOptions *bo,
- char **emsg);
-
-
/**
* Create an entry for an empty directory in a publish-structure.
- * This function should be used by applications for which the
- * use of "GNUNET_FS_file_information_create_from_directory"
- * is not appropriate.
*
* @param h handle to the file sharing subsystem
* @param client_info initial client-info value for this entry
* directly; can be NULL
* @param meta metadata for the directory
* @param bo block options
+ * @param filename name of the directory; can be NULL
* @return publish structure entry for the directory , NULL on error
*/
struct GNUNET_FS_FileInformation *
GNUNET_CONTAINER_MetaData
*meta,
const struct
- GNUNET_FS_BlockOptions *bo);
+ GNUNET_FS_BlockOptions *bo,
+ const char *filename);
/**
* Test if a given entry represents a directory.
*
* @param ent check if this FI represents a directory
- * @return GNUNET_YES if so, GNUNET_NO if not
+ * @return #GNUNET_YES if so, #GNUNET_NO if not
*/
int
GNUNET_FS_file_information_is_directory (const struct GNUNET_FS_FileInformation
/**
* Add an entry to a directory in a publish-structure. Clients
* should never modify publish structures that were passed to
- * "GNUNET_FS_publish_start" already.
+ * #GNUNET_FS_publish_start already.
*
* @param dir the directory
* @param ent the entry to add; the entry must not have been
* added to any other directory at this point and
- * must not include "dir" in its structure
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
+ * must not include @a dir in its structure
+ * @return #GNUNET_OK on success, #GNUNET_SYSERR on error
*/
int
GNUNET_FS_file_information_add (struct GNUNET_FS_FileInformation *dir,
/**
* Inspect a file or directory in a publish-structure. Clients
* should never modify publish structures that were passed to
- * "GNUNET_FS_publish_start" already. When called on a directory,
- * this function will FIRST call "proc" with information about
+ * #GNUNET_FS_publish_start already. When called on a directory,
+ * this function will FIRST call @a proc with information about
* the directory itself and then for each of the files in the
* directory (but not for files in subdirectories). When called
- * on a file, "proc" will be called exactly once (with information
+ * on a file, @a proc will be called exactly once (with information
* about the specific file).
*
* @param dir the directory
* @param proc function to call on each entry
- * @param proc_cls closure for proc
+ * @param proc_cls closure for @a proc
*/
void
GNUNET_FS_file_information_inspect (struct GNUNET_FS_FileInformation *dir,
/**
* Destroy publish-structure. Clients should never destroy publish
- * structures that were passed to "GNUNET_FS_publish_start" already.
+ * structures that were passed to #GNUNET_FS_publish_start already.
*
* @param fi structure to destroy
* @param cleaner function to call on each entry in the structure
* (useful to clean up client_info); can be NULL; return
* values are ignored
- * @param cleaner_cls closure for cleaner
+ * @param cleaner_cls closure for @a cleaner
*/
void
GNUNET_FS_file_information_destroy (struct GNUNET_FS_FileInformation *fi,
*/
enum GNUNET_FS_PublishOptions
{
- /**
- * No options (use defaults for everything).
- */
+ /**
+ * No options (use defaults for everything).
+ */
GNUNET_FS_PUBLISH_OPTION_NONE = 0,
- /**
- * Simulate publishing. With this option, no data will be stored
- * in the datastore. Useful for computing URIs from files.
- */
+ /**
+ * Simulate publishing. With this option, no data will be stored
+ * in the datastore. Useful for computing URIs from files.
+ */
GNUNET_FS_PUBLISH_OPTION_SIMULATE_ONLY = 1
};
+
/**
* Publish a file or directory.
*
* @param h handle to the file sharing subsystem
* @param fi information about the file or directory structure to publish
- * @param namespace namespace to publish the file in, NULL for no namespace
+ * @param ns namespace to publish the file in, NULL for no namespace
* @param nid identifier to use for the publishd content in the namespace
* (can be NULL, must be NULL if namespace is NULL)
* @param nuid update-identifier that will be used for future updates
struct GNUNET_FS_PublishContext *
GNUNET_FS_publish_start (struct GNUNET_FS_Handle *h,
struct GNUNET_FS_FileInformation *fi,
- struct GNUNET_FS_Namespace *namespace, const char *nid,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *ns,
+ const char *nid,
const char *nuid,
enum GNUNET_FS_PublishOptions options);
* @param emsg error message, NULL on success
*/
typedef void (*GNUNET_FS_PublishContinuation) (void *cls,
- const struct GNUNET_FS_Uri * uri,
+ const struct GNUNET_FS_Uri *uri,
const char *emsg);
+/**
+ * Handle to cancel publish KSK operation.
+ */
+struct GNUNET_FS_PublishKskContext;
+
+
/**
* Publish a KBlock on GNUnet.
*
* @param bo block options
* @param options publication options
* @param cont continuation
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
+ * @return NULL on error (@a cont will still be called)
*/
-void
+struct GNUNET_FS_PublishKskContext *
GNUNET_FS_publish_ksk (struct GNUNET_FS_Handle *h,
const struct GNUNET_FS_Uri *ksk_uri,
const struct GNUNET_CONTAINER_MetaData *meta,
GNUNET_FS_PublishContinuation cont, void *cont_cls);
+/**
+ * Abort the KSK publishing operation.
+ *
+ * @param pkc context of the operation to abort.
+ */
+void
+GNUNET_FS_publish_ksk_cancel (struct GNUNET_FS_PublishKskContext *pkc);
+
+
+/**
+ * Handle to cancel publish SKS operation.
+ */
+struct GNUNET_FS_PublishSksContext;
+
+
/**
* Publish an SBlock on GNUnet.
*
* @param h handle to the file sharing subsystem
- * @param namespace namespace to publish in
+ * @param ns namespace to publish in
* @param identifier identifier to use
* @param update update identifier to use
* @param meta metadata to use
* @param bo block options
* @param options publication options
* @param cont continuation
- * @param cont_cls closure for cont
+ * @param cont_cls closure for @a cont
+ * @return NULL on error (@a cont will still be called)
*/
-void
+struct GNUNET_FS_PublishSksContext *
GNUNET_FS_publish_sks (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_Namespace *namespace,
- const char *identifier, const char *update,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *ns,
+ const char *identifier,
+ const char *update,
const struct GNUNET_CONTAINER_MetaData *meta,
const struct GNUNET_FS_Uri *uri,
const struct GNUNET_FS_BlockOptions *bo,
/**
- * Type of a function called by "GNUNET_FS_get_indexed_files".
+ * Abort the SKS publishing operation.
+ *
+ * @param psc context of the operation to abort.
+ */
+void
+GNUNET_FS_publish_sks_cancel (struct GNUNET_FS_PublishSksContext *psc);
+
+
+/**
+ * Type of a function called by #GNUNET_FS_get_indexed_files.
*
* @param cls closure
- * @param filename the name of the file
+ * @param filename the name of the file, NULL for end of list
* @param file_id hash of the contents of the indexed file
- * @return GNUNET_OK to continue iteration, GNUNET_SYSERR to abort
+ * @return #GNUNET_OK to continue iteration, #GNUNET_SYSERR to abort
*/
typedef int (*GNUNET_FS_IndexedFileProcessor) (void *cls, const char *filename,
- const GNUNET_HashCode * file_id);
+ const struct GNUNET_HashCode * file_id);
+
+
+/**
+ * Handle to cancel 'GNUNET_FS_get_indexed_files'.
+ */
+struct GNUNET_FS_GetIndexedContext;
/**
*
* @param h handle to the file sharing subsystem
* @param iterator function to call on each indexed file
- * @param iterator_cls closure for iterator
- * @param cont continuation to call when done;
- * reason should be "TIMEOUT" (on
- * error) or "PREREQ_DONE" (on success)
- * @param cont_cls closure for cont
+ * @param iterator_cls closure for @a iterator
+ * @return NULL on error (@a iterator is not called)
*/
-void
+struct GNUNET_FS_GetIndexedContext *
GNUNET_FS_get_indexed_files (struct GNUNET_FS_Handle *h,
GNUNET_FS_IndexedFileProcessor iterator,
- void *iterator_cls, GNUNET_SCHEDULER_Task cont,
- void *cont_cls);
+ void *iterator_cls);
+
+
+/**
+ * Cancel iteration over all indexed files.
+ *
+ * @param gic operation to cancel
+ */
+void
+GNUNET_FS_get_indexed_files_cancel (struct GNUNET_FS_GetIndexedContext *gic);
/**
* @return NULL on error, otherwise handle
*/
struct GNUNET_FS_UnindexContext *
-GNUNET_FS_unindex_start (struct GNUNET_FS_Handle *h, const char *filename,
+GNUNET_FS_unindex_start (struct GNUNET_FS_Handle *h,
+ const char *filename,
void *cctx);
GNUNET_FS_unindex_stop (struct GNUNET_FS_UnindexContext *uc);
-/**
- * Publish an advertismement for a namespace.
- *
- * @param h handle to the file sharing subsystem
- * @param ksk_uri keywords to use for advertisment
- * @param namespace handle for the namespace that should be advertised
- * @param meta meta-data for the namespace advertisement
- * @param bo block options
- * @param rootEntry name of the root of the namespace
- * @param cont continuation
- * @param cont_cls closure for cont
- */
-void
-GNUNET_FS_namespace_advertise (struct GNUNET_FS_Handle *h,
- struct GNUNET_FS_Uri *ksk_uri,
- struct GNUNET_FS_Namespace *namespace,
- const struct GNUNET_CONTAINER_MetaData *meta,
- const struct GNUNET_FS_BlockOptions *bo,
- const char *rootEntry,
- GNUNET_FS_PublishContinuation cont,
- void *cont_cls);
-
-
-/**
- * Create a namespace with the given name; if one already
- * exists, return a handle to the existing namespace.
- *
- * @param h handle to the file sharing subsystem
- * @param name name to use for the namespace
- * @return handle to the namespace, NULL on error
- */
-struct GNUNET_FS_Namespace *
-GNUNET_FS_namespace_create (struct GNUNET_FS_Handle *h, const char *name);
-
-
-/**
- * Delete a namespace handle. Can be used for a clean shutdown (free
- * memory) or also to freeze the namespace to prevent further
- * insertions by anyone.
- *
- * @param namespace handle to the namespace that should be deleted / freed
- * @param freeze prevents future insertions; creating a namespace
- * with the same name again will create a fresh namespace instead
- *
- * @return GNUNET_OK on success, GNUNET_SYSERR on error
- */
-int
-GNUNET_FS_namespace_delete (struct GNUNET_FS_Namespace *namespace, int freeze);
-
-
-/**
- * Callback with information about local (!) namespaces.
- * Contains the names of the local namespace and the global
- * ID.
- *
- * @param cls closure
- * @param name human-readable identifier of the namespace
- * @param id hash identifier for the namespace
- */
-typedef void (*GNUNET_FS_NamespaceInfoProcessor) (void *cls, const char *name,
- const GNUNET_HashCode * id);
-
-
-/**
- * Build a list of all available local (!) namespaces The returned
- * names are only the nicknames since we only iterate over the local
- * namespaces.
- *
- * @param h handle to the file sharing subsystem
- * @param cb function to call on each known namespace
- * @param cb_cls closure for cb
- */
-void
-GNUNET_FS_namespace_list (struct GNUNET_FS_Handle *h,
- GNUNET_FS_NamespaceInfoProcessor cb, void *cb_cls);
-
-
/**
* Function called on updateable identifiers.
*
* @param cls closure
* @param last_id last identifier
- * @param last_uri uri used for the content published under the last_id
- * @param last_meta metadata associated with last_uri
+ * @param last_uri uri used for the content published under the @a last_id
+ * @param last_meta metadata associated with @a last_uri
* @param next_id identifier that should be used for updates
*/
-typedef void (*GNUNET_FS_IdentifierProcessor) (void *cls, const char *last_id,
- const struct GNUNET_FS_Uri *
- last_uri,
- const struct
- GNUNET_CONTAINER_MetaData *
- last_meta, const char *next_id);
+typedef void (*GNUNET_FS_IdentifierProcessor) (void *cls,
+ const char *last_id,
+ const struct GNUNET_FS_Uri *last_uri,
+ const struct GNUNET_CONTAINER_MetaData *last_meta,
+ const char *next_id);
/**
* has a name. Each node can have any number of URI/meta-data entries
* which can each be linked to other nodes. Cycles are possible.
*
- * Calling this function with "next_id" NULL will cause the library to
- * call "ip" with a root for each strongly connected component of the
+ * Calling this function with @a next_id NULL will cause the library to
+ * call @a ip with a root for each strongly connected component of the
* graph (a root being a node from which all other nodes in the Scc
* are reachable).
*
- * Calling this function with "next_id" being the name of a node will
- * cause the library to call "ip" with all children of the node. Note
+ * Calling this function with @a next_id being the name of a node will
+ * cause the library to call @a ip with all children of the node. Note
* that cycles within an SCC are possible (including self-loops).
*
- * @param namespace namespace to inspect for updateable content
+ * @param h fs handle to use
+ * @param ns namespace to inspect for updateable content
* @param next_id ID to look for; use NULL to look for SCC roots
* @param ip function to call on each updateable identifier
- * @param ip_cls closure for ip
+ * @param ip_cls closure for @a ip
*/
void
-GNUNET_FS_namespace_list_updateable (struct GNUNET_FS_Namespace *namespace,
+GNUNET_FS_namespace_list_updateable (struct GNUNET_FS_Handle *h,
+ const struct GNUNET_CRYPTO_EcdsaPrivateKey *ns,
const char *next_id,
GNUNET_FS_IdentifierProcessor ip,
void *ip_cls);
GNUNET_FS_search_stop (struct GNUNET_FS_SearchContext *sc);
+/**
+ * Start download probes for the given search result.
+ *
+ * @param h file-sharing handle to use for the operation
+ * @param uri URI to probe
+ * @param meta meta data associated with the URI
+ * @param client_info client info pointer to use for associated events
+ * @param anonymity anonymity level to use for the probes
+ * @return the search result handle to access the probe activity
+ */
+struct GNUNET_FS_SearchResult *
+GNUNET_FS_probe (struct GNUNET_FS_Handle *h,
+ const struct GNUNET_FS_Uri *uri,
+ const struct GNUNET_CONTAINER_MetaData *meta,
+ void *client_info,
+ uint32_t anonymity);
+
+
+/**
+ * Stop probe activity. Must ONLY be used on values
+ * returned from #GNUNET_FS_probe.
+ *
+ * @param sr search result to stop probing for (freed)
+ * @return the value of the 'client_info' pointer
+ */
+void *
+GNUNET_FS_probe_stop (struct GNUNET_FS_SearchResult *sr);
/**
*/
enum GNUNET_FS_DownloadOptions
{
- /**
- * No options (use defaults for everything).
- */
+ /**
+ * No options (use defaults for everything).
+ */
GNUNET_FS_DOWNLOAD_OPTION_NONE = 0,
- /**
- * Only download from the local host, do not access remote systems (no P2P)
- */
+ /**
+ * Only download from the local host, do not access remote systems (no P2P)
+ */
GNUNET_FS_DOWNLOAD_OPTION_LOOPBACK_ONLY = 1,
- /**
- * Do a recursive download (that is, automatically trigger the
- * download of files in directories).
- */
+ /**
+ * Do a recursive download (that is, automatically trigger the
+ * download of files in directories).
+ */
GNUNET_FS_DOWNLOAD_OPTION_RECURSIVE = 2,
- /**
- * Do not append temporary data to
- * the target file (for the IBlocks).
- */
+ /**
+ * Do not append temporary data to
+ * the target file (for the IBlocks).
+ */
GNUNET_FS_DOWNLOAD_NO_TEMPORARIES = 4,
- /**
- * Internal option used to flag this download as a 'probe' for a
- * search result. Impacts the priority with which the download is
- * run and causes signalling callbacks to be done differently.
- * Also, probe downloads are not serialized on suspension. Normal
- * clients should not use this!
- */
+ /**
+ * Internal option used to flag this download as a 'probe' for a
+ * search result. Impacts the priority with which the download is
+ * run and causes signalling callbacks to be done differently.
+ * Also, probe downloads are not serialized on suspension. Normal
+ * clients should not use this!
+ */
GNUNET_FS_DOWNLOAD_IS_PROBE = (1 << 31)
};
* download is still using the blocking of the underlying FS
* encoding. As a result, the download may *write* outside of the
* given boundaries (if offset and length do not match the 32k FS
- * block boundaries). <p>
+ * block boundaries).
*
* The given range can be used to focus a download towards a
* particular portion of the file (optimization), not to strictly
* download is still using the blocking of the underlying FS
* encoding. As a result, the download may *write* outside of the
* given boundaries (if offset and length do not match the 32k FS
- * block boundaries). <p>
+ * block boundaries).
*
* The given range can be used to focus a download towards a
* particular portion of the file (optimization), not to strictly
* Does the meta-data claim that this is a directory?
* Checks if the mime-type is that of a GNUnet directory.
*
- * @return GNUNET_YES if it is, GNUNET_NO if it is not, GNUNET_SYSERR if
- * we have no mime-type information (treat as 'GNUNET_NO')
+ * @return #GNUNET_YES if it is, #GNUNET_NO if it is not, #GNUNET_SYSERR if
+ * we have no mime-type information (treat as #GNUNET_NO)
*/
int
GNUNET_FS_meta_data_test_for_directory (const struct GNUNET_CONTAINER_MetaData
* @return NULL if meta data is useless for suggesting a filename
*/
char *
-GNUNET_FS_meta_data_suggest_filename (const struct GNUNET_CONTAINER_MetaData
- *md);
+GNUNET_FS_meta_data_suggest_filename (const struct GNUNET_CONTAINER_MetaData *md);
/**
* @param data pointer to the beginning of the directory
* @param offset offset of data in the directory
* @param dep function to call on each entry
- * @param dep_cls closure for dep
- * @return GNUNET_OK if this could be a block in a directory,
- * GNUNET_NO if this could be part of a directory (but not 100% OK)
- * GNUNET_SYSERR if 'data' does not represent a directory
+ * @param dep_cls closure for @a dep
+ * @return #GNUNET_OK if this could be a block in a directory,
+ * #GNUNET_NO if this could be part of a directory (but not 100% OK)
+ * #GNUNET_SYSERR if 'data' does not represent a directory
*/
int
GNUNET_FS_directory_list_contents (size_t size, const void *data,
*/
struct GNUNET_FS_DirectoryBuilder;
+
/**
* Create a directory builder.
*
* @param bld directory to finish
* @param rsize set to the number of bytes needed
* @param rdata set to the encoded directory
- * @return GNUNET_OK on success
+ * @return #GNUNET_OK on success
*/
int
GNUNET_FS_directory_builder_finish (struct GNUNET_FS_DirectoryBuilder *bld,
size_t * rsize, void **rdata);
+/* ******************** DirScanner API *********************** */
+
+/**
+ * Progress reasons of the directory scanner.
+ */
+enum GNUNET_FS_DirScannerProgressUpdateReason
+{
+
+ /**
+ * We've started processing a file or directory.
+ */
+ GNUNET_FS_DIRSCANNER_FILE_START = 0,
+
+ /**
+ * We're having trouble accessing a file (soft-error); it will
+ * be ignored.
+ */
+ GNUNET_FS_DIRSCANNER_FILE_IGNORED,
+
+ /**
+ * We've found all files (in the pre-pass).
+ */
+ GNUNET_FS_DIRSCANNER_ALL_COUNTED,
+
+ /**
+ * We've finished extracting meta data from a file.
+ */
+ GNUNET_FS_DIRSCANNER_EXTRACT_FINISHED,
+
+ /**
+ * Last call to the progress function: we have finished scanning
+ * the directory.
+ */
+ GNUNET_FS_DIRSCANNER_FINISHED,
+
+ /**
+ * There was an internal error. Application should abort the scan.
+ */
+ GNUNET_FS_DIRSCANNER_INTERNAL_ERROR
+
+};
+
+
+/**
+ * Function called over time as the directory scanner makes
+ * progress on the job at hand.
+ *
+ * @param cls closure
+ * @param filename which file we are making progress on
+ * @param is_directory #GNUNET_YES if this is a directory,
+ * #GNUNET_NO if this is a file
+ * #GNUNET_SYSERR if it is neither (or unknown)
+ * @param reason kind of progress we are making
+ */
+typedef void (*GNUNET_FS_DirScannerProgressCallback) (void *cls,
+ const char *filename,
+ int is_directory,
+ enum GNUNET_FS_DirScannerProgressUpdateReason reason);
+
+
+/**
+ * A node of a directory tree (produced by dirscanner)
+ */
+struct GNUNET_FS_ShareTreeItem
+{
+ /**
+ * This is a doubly-linked list
+ */
+ struct GNUNET_FS_ShareTreeItem *prev;
+
+ /**
+ * This is a doubly-linked list
+ */
+ struct GNUNET_FS_ShareTreeItem *next;
+
+ /**
+ * This is a doubly-linked tree
+ * NULL for top-level entries.
+ */
+ struct GNUNET_FS_ShareTreeItem *parent;
+
+ /**
+ * This is a doubly-linked tree
+ * NULL for files and empty directories
+ */
+ struct GNUNET_FS_ShareTreeItem *children_head;
+
+ /**
+ * This is a doubly-linked tree
+ * NULL for files and empty directories
+ */
+ struct GNUNET_FS_ShareTreeItem *children_tail;
+
+ /**
+ * Metadata for this file or directory
+ */
+ struct GNUNET_CONTAINER_MetaData *meta;
+
+ /**
+ * Keywords for this file or directory (derived from metadata).
+ */
+ struct GNUNET_FS_Uri *ksk_uri;
+
+ /**
+ * Name of the file/directory
+ */
+ char *filename;
+
+ /**
+ * Base name of the file/directory.
+ */
+ char *short_filename;
+
+ /**
+ * #GNUNET_YES if this is a directory
+ */
+ int is_directory;
+
+};
+
+
+/**
+ * Opaqe handle to an asynchronous directory scanning activity.
+ */
+struct GNUNET_FS_DirScanner;
+
+
+/**
+ * Start a directory scanner.
+ *
+ * @param filename name of the directory to scan
+ * @param disable_extractor #GNUNET_YES to not to run libextractor on files (only build a tree)
+ * @param ex if not NULL, must be a list of extra plugins for extractor
+ * @param cb the callback to call when there are scanning progress messages
+ * @param cb_cls closure for @a cb
+ * @return directory scanner object to be used for controlling the scanner
+ */
+struct GNUNET_FS_DirScanner *
+GNUNET_FS_directory_scan_start (const char *filename,
+ int disable_extractor,
+ const char *ex,
+ GNUNET_FS_DirScannerProgressCallback cb,
+ void *cb_cls);
+
+
+/**
+ * Abort the scan. Must not be called from within the progress_callback
+ * function.
+ *
+ * @param ds directory scanner structure
+ */
+void
+GNUNET_FS_directory_scan_abort (struct GNUNET_FS_DirScanner *ds);
+
+
+/**
+ * Obtain the result of the scan after the scan has signalled
+ * completion. Must not be called prior to completion. The @a ds is
+ * freed as part of this call.
+ *
+ * @param ds directory scanner structure
+ * @return the results of the scan (a directory tree)
+ */
+struct GNUNET_FS_ShareTreeItem *
+GNUNET_FS_directory_scan_get_result (struct GNUNET_FS_DirScanner *ds);
+
+
+/**
+ * Process a share item tree, moving frequent keywords up and
+ * copying frequent metadata up.
+ *
+ * @param toplevel toplevel directory in the tree, returned by the scanner
+ */
+void
+GNUNET_FS_share_tree_trim (struct GNUNET_FS_ShareTreeItem *toplevel);
+
+
+/**
+ * Release memory of a share item tree.
+ *
+ * @param toplevel toplevel of the tree to be freed
+ */
+void
+GNUNET_FS_share_tree_free (struct GNUNET_FS_ShareTreeItem *toplevel);
+
+
#if 0 /* keep Emacsens' auto-indent happy */
{
#endif
projects / oweals / gnunet.git / blobdiff