GNUnet is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published
- by the Free Software Foundation; either version 2, or (at your
+ by the Free Software Foundation; either version 3, or (at your
option) any later version.
GNUnet is distributed in the hope that it will be useful, but
* @author Krista Bennett
* @author James Blackwell
* @author Igor Wronsky
- *
- * TODO:
- * - add many options (timeout, namespace search, etc.)
*/
#include "platform.h"
#include "gnunet_fs_service.h"
static struct GNUNET_FS_SearchContext *sc;
+static char *output_filename;
+
+static struct GNUNET_FS_DirectoryBuilder *db;
+
static unsigned int anonymity = 1;
+static unsigned long long timeout;
+
+static unsigned int results_limit;
+
+static unsigned int results = 0;
+
static int verbose;
+static int local_only;
+
+/**
+ * Type of a function that libextractor calls for each
+ * meta data item found.
+ *
+ * @param cls closure (user-defined, unused)
+ * @param plugin_name name of the plugin that produced this value;
+ * special values can be used (i.e. '<zlib>' for zlib being
+ * used in the main libextractor library and yielding
+ * meta data).
+ * @param type libextractor-type describing the meta data
+ * @param format basic format information about data
+ * @param data_mime_type mime-type of data (not of the original file);
+ * can be NULL (if mime-type is not known)
+ * @param data actual meta-data found
+ * @param data_size number of bytes in data
+ * @return 0 to continue extracting, 1 to abort
+ */
static int
-item_printer (void *cls,
- EXTRACTOR_KeywordType type,
- const char *data)
+item_printer (void *cls, const char *plugin_name, enum EXTRACTOR_MetaType type,
+ enum EXTRACTOR_MetaFormat format, const char *data_mime_type,
+ const char *data, size_t data_size)
{
+ if ((format != EXTRACTOR_METAFORMAT_UTF8) &&
+ (format != EXTRACTOR_METAFORMAT_C_STRING))
+ return 0;
+ if (type == EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME)
+ return 0;
printf ("\t%20s: %s\n",
dgettext (LIBEXTRACTOR_GETTEXT_DOMAIN,
- EXTRACTOR_getKeywordTypeAsString (type)),
- data);
- return GNUNET_OK;
+ EXTRACTOR_metatype_to_string (type)), data);
+ return 0;
+}
+
+
+static void
+clean_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ size_t dsize;
+ void *ddata;
+
+ GNUNET_FS_stop (ctx);
+ ctx = NULL;
+ if (output_filename == NULL)
+ return;
+ if (GNUNET_OK != GNUNET_FS_directory_builder_finish (db, &dsize, &ddata))
+ {
+ GNUNET_break (0);
+ GNUNET_free (output_filename);
+ return;
+ }
+ if (dsize !=
+ GNUNET_DISK_fn_write (output_filename, ddata, dsize,
+ GNUNET_DISK_PERM_USER_READ |
+ GNUNET_DISK_PERM_USER_WRITE))
+ {
+ FPRINTF (stderr,
+ _("Failed to write directory with search results to `%s'\n"),
+ output_filename);
+ }
+ GNUNET_free_non_null (ddata);
+ GNUNET_free (output_filename);
}
/**
- * Called by FS client to give information about the progress of an
+ * Called by FS client to give information about the progress of an
* operation.
*
* @param cls closure
* field in the GNUNET_FS_ProgressInfo struct.
*/
static void *
-progress_cb (void *cls,
- const struct GNUNET_FS_ProgressInfo *info)
+progress_cb (void *cls, const struct GNUNET_FS_ProgressInfo *info)
{
+ static unsigned int cnt;
char *uri;
char *dotdot;
char *filename;
switch (info->status)
+ {
+ case GNUNET_FS_STATUS_SEARCH_START:
+ break;
+ case GNUNET_FS_STATUS_SEARCH_RESULT:
+ if (db != NULL)
+ GNUNET_FS_directory_builder_add (db,
+ info->value.search.specifics.result.uri,
+ info->value.search.specifics.result.meta,
+ NULL);
+ uri = GNUNET_FS_uri_to_string (info->value.search.specifics.result.uri);
+ printf ("#%u:\n", cnt++);
+ filename =
+ GNUNET_CONTAINER_meta_data_get_by_type (info->value.search.
+ specifics.result.meta,
+ EXTRACTOR_METATYPE_GNUNET_ORIGINAL_FILENAME);
+ if (filename != NULL)
{
- case GNUNET_FS_STATUS_SEARCH_START:
- break;
- case GNUNET_FS_STATUS_SEARCH_RESULT:
- uri = GNUNET_FS_uri_to_string (info->value.search.specifics.result.uri);
- printf ("%s:\n", uri);
- filename =
- GNUNET_CONTAINER_meta_data_get_by_type (info->value.search.specifics.result.meta,
- EXTRACTOR_FILENAME);
- if (filename != NULL)
- {
- while (NULL != (dotdot = strstr (filename, "..")))
- dotdot[0] = dotdot[1] = '_';
- printf ("gnunet-download -o \"%s\" %s\n",
- filename,
- uri);
- }
- else
- printf ("gnunet-download %s\n", uri);
- if (verbose)
- GNUNET_CONTAINER_meta_data_get_contents (info->value.search.specifics.result.meta,
- &item_printer,
- NULL);
- printf ("\n");
- fflush(stdout);
- GNUNET_free_non_null (filename);
- GNUNET_free (uri);
- break;
- case GNUNET_FS_STATUS_SEARCH_UPDATE:
- break;
- case GNUNET_FS_STATUS_SEARCH_ERROR:
- fprintf (stderr,
- _("Error searching: %s.\n"),
- info->value.search.specifics.error.message);
- GNUNET_FS_search_stop (sc);
- break;
- case GNUNET_FS_STATUS_SEARCH_STOPPED:
- GNUNET_FS_stop (ctx);
- break;
- default:
- fprintf (stderr,
- _("Unexpected status: %d\n"),
- info->status);
- break;
+ while (NULL != (dotdot = strstr (filename, "..")))
+ dotdot[0] = dotdot[1] = '_';
+ printf ("gnunet-download -o \"%s\" %s\n", filename, uri);
}
+ else
+ printf ("gnunet-download %s\n", uri);
+ if (verbose)
+ GNUNET_CONTAINER_meta_data_iterate (info->value.search.specifics.
+ result.meta, &item_printer, NULL);
+ printf ("\n");
+ fflush (stdout);
+ GNUNET_free_non_null (filename);
+ GNUNET_free (uri);
+ results++;
+ if ((results_limit > 0) && (results >= results_limit))
+ GNUNET_SCHEDULER_shutdown ();
+ break;
+ case GNUNET_FS_STATUS_SEARCH_UPDATE:
+ break;
+ case GNUNET_FS_STATUS_SEARCH_RESULT_STOPPED:
+ /* ignore */
+ break;
+ case GNUNET_FS_STATUS_SEARCH_ERROR:
+ FPRINTF (stderr, _("Error searching: %s.\n"),
+ info->value.search.specifics.error.message);
+ GNUNET_SCHEDULER_shutdown ();
+ break;
+ case GNUNET_FS_STATUS_SEARCH_STOPPED:
+ GNUNET_SCHEDULER_add_continuation (&clean_task, NULL,
+ GNUNET_SCHEDULER_REASON_PREREQ_DONE);
+ break;
+ default:
+ FPRINTF (stderr, _("Unexpected status: %d\n"), info->status);
+ break;
+ }
return NULL;
}
+static void
+shutdown_task (void *cls, const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ if (sc != NULL)
+ {
+ GNUNET_FS_search_stop (sc);
+ sc = NULL;
+ }
+}
+
+
/**
* Main function that will be run by the scheduler.
*
* @param cls closure
- * @param sched the scheduler to use
* @param args remaining command-line arguments
* @param cfgfile name of the configuration file used (for saving, can be NULL!)
* @param c configuration
*/
static void
-run (void *cls,
- struct GNUNET_SCHEDULER_Handle *sched,
- char *const *args,
- const char *cfgfile,
+run (void *cls, char *const *args, const char *cfgfile,
const struct GNUNET_CONFIGURATION_Handle *c)
{
struct GNUNET_FS_Uri *uri;
unsigned int argc;
+ enum GNUNET_FS_SearchOptions options;
+ struct GNUNET_TIME_Relative delay;
argc = 0;
while (NULL != args[argc])
argc++;
- uri = GNUNET_FS_uri_ksk_create_from_args (argc,
- (const char **) args);
+ uri = GNUNET_FS_uri_ksk_create_from_args (argc, (const char **) args);
if (NULL == uri)
- {
- fprintf (stderr,
- _("Could not create keyword URI from arguments.\n"));
- ret = 1;
- GNUNET_FS_uri_destroy (uri);
- return;
- }
+ {
+ FPRINTF (stderr, "%s", _("Could not create keyword URI from arguments.\n"));
+ ret = 1;
+ return;
+ }
cfg = c;
- ctx = GNUNET_FS_start (sched,
- cfg,
- "gnunet-search",
- &progress_cb,
- NULL,
- GNUNET_FS_FLAGS_NONE,
- GNUNET_FS_OPTIONS_END);
+ ctx =
+ GNUNET_FS_start (cfg, "gnunet-search", &progress_cb, NULL,
+ GNUNET_FS_FLAGS_NONE, GNUNET_FS_OPTIONS_END);
if (NULL == ctx)
- {
- fprintf (stderr,
- _("Could not initialize `%s' subsystem.\n"),
- "FS");
- GNUNET_FS_uri_destroy (uri);
- GNUNET_FS_stop (ctx);
- ret = 1;
- return;
- }
- sc = GNUNET_FS_search_start (ctx,
- uri,
- anonymity);
+ {
+ FPRINTF (stderr, _("Could not initialize `%s' subsystem.\n"), "FS");
+ GNUNET_FS_uri_destroy (uri);
+ ret = 1;
+ return;
+ }
+ if (output_filename != NULL)
+ db = GNUNET_FS_directory_builder_create (NULL);
+ options = GNUNET_FS_SEARCH_OPTION_NONE;
+ if (local_only)
+ options |= GNUNET_FS_SEARCH_OPTION_LOOPBACK_ONLY;
+ sc = GNUNET_FS_search_start (ctx, uri, anonymity, options, NULL);
GNUNET_FS_uri_destroy (uri);
if (NULL == sc)
- {
- fprintf (stderr,
- _("Could not start searching.\n"));
- ret = 1;
- return;
- }
+ {
+ FPRINTF (stderr, "%s", _("Could not start searching.\n"));
+ GNUNET_FS_stop (ctx);
+ ret = 1;
+ return;
+ }
+ if (timeout != 0)
+ {
+ delay.rel_value = timeout;
+ GNUNET_SCHEDULER_add_delayed (delay, &shutdown_task, NULL);
+ }
+ else
+ {
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL, &shutdown_task,
+ NULL);
+ }
}
-/**
- * gnunet-search command line options
- */
-static struct GNUNET_GETOPT_CommandLineOption options[] = {
- {'a', "anonymity", "LEVEL",
- gettext_noop ("set the desired LEVEL of receiver-anonymity"),
- 1, &GNUNET_GETOPT_set_uint, &anonymity},
- // FIXME: options!
- GNUNET_GETOPT_OPTION_END
-};
-
-
/**
* The main function to search GNUnet.
*
int
main (int argc, char *const *argv)
{
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ {'a', "anonymity", "LEVEL",
+ gettext_noop ("set the desired LEVEL of receiver-anonymity"),
+ 1, &GNUNET_GETOPT_set_uint, &anonymity},
+ {'n', "no-network", NULL,
+ gettext_noop ("only search the local peer (no P2P network search)"),
+ 0, &GNUNET_GETOPT_set_one, &local_only},
+ {'o', "output", "PREFIX",
+ gettext_noop ("write search results to file starting with PREFIX"),
+ 1, &GNUNET_GETOPT_set_string, &output_filename},
+ {'t', "timeout", "VALUE",
+ gettext_noop ("automatically terminate search after VALUE ms"),
+ 1, &GNUNET_GETOPT_set_ulong, &timeout},
+ {'V', "verbose", NULL,
+ gettext_noop ("be verbose (print progress information)"),
+ 0, &GNUNET_GETOPT_set_one, &verbose},
+ {'N', "results", "VALUE",
+ gettext_noop
+ ("automatically terminate search after VALUE results are found"),
+ 1, &GNUNET_GETOPT_set_uint, &results_limit},
+ GNUNET_GETOPT_OPTION_END
+ };
return (GNUNET_OK ==
- GNUNET_PROGRAM_run (argc,
- argv,
- "gnunet-search",
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-search [OPTIONS] KEYWORD",
gettext_noop
- ("Search GNUnet."),
+ ("Search GNUnet for files that were published on GNUnet"),
options, &run, NULL)) ? ret : 1;
}
/* end of gnunet-search.c */
-
projects / oweals / gnunet.git / blobdiff