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-rw-r--r--src/datastore/Makefile.am9
-rw-r--r--src/datastore/gnunet-datastore.c262
2 files changed, 271 insertions, 0 deletions
diff --git a/src/datastore/Makefile.am b/src/datastore/Makefile.am
index 57639fa37..c2acc2ffe 100644
--- a/src/datastore/Makefile.am
+++ b/src/datastore/Makefile.am
@@ -32,6 +32,8 @@ libgnunetdatastore_la_LDFLAGS = \
$(GN_LIB_LDFLAGS) $(WINFLAGS) \
-version-info 1:0:0
+bin_PROGRAMS = \
+ gnunet-datastore
libexec_PROGRAMS = \
gnunet-service-datastore
@@ -43,6 +45,13 @@ gnunet_service_datastore_LDADD = \
$(top_builddir)/src/util/libgnunetutil.la \
$(GN_LIBINTL)
+gnunet_datastore_SOURCES = \
+ gnunet-datastore.c
+gnunet_datastore_LDADD = \
+ $(top_builddir)/src/datastore/libgnunetdatastore.la \
+ $(top_builddir)/src/util/libgnunetutil.la \
+ $(GN_LIBINTL)
+
if HAVE_MYSQL
MYSQL_PLUGIN = libgnunet_plugin_datastore_mysql.la
if HAVE_BENCHMARKS
diff --git a/src/datastore/gnunet-datastore.c b/src/datastore/gnunet-datastore.c
new file mode 100644
index 000000000..4388818d7
--- /dev/null
+++ b/src/datastore/gnunet-datastore.c
@@ -0,0 +1,262 @@
+/*
+ This file is part of GNUnet.
+ (C) 2010, 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
+ 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
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with GNUnet; see the file COPYING. If not, write to the
+ Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA.
+*/
+
+/**
+ * @file datastore/gnunet-datastore.c
+ * @brief tool to manipulate datastores
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "gnunet_util_lib.h"
+#include "gnunet_datastore_service.h"
+
+
+/**
+ * Name of the second configuration file.
+ */
+static char *alternative_cfg;
+
+/**
+ * Global return value.
+ */
+static int ret;
+
+/**
+ * Our offset on 'get'.
+ */
+static uint64_t offset;
+
+/**
+ * First UID ever returned.
+ */
+static uint64_t first_uid;
+
+/**
+ * Configuration for the source database.
+ */
+static struct GNUNET_CONFIGURATION_Handle *scfg;
+
+/**
+ * Handle for database source.
+ */
+static struct GNUNET_DATASTORE_Handle *db_src;
+
+/**
+ * Handle for database destination.
+ */
+static struct GNUNET_DATASTORE_Handle *db_dst;
+
+/**
+ * Current operation.
+ */
+static struct GNUNET_DATASTORE_QueueEntry *qe;
+
+
+static void
+do_shutdown (void *cls,
+ const struct GNUNET_SCHEDULER_TaskContext *tc)
+{
+ if (NULL != qe)
+ GNUNET_DATASTORE_cancel (qe);
+ GNUNET_DATASTORE_disconnect (db_src, GNUNET_NO);
+ GNUNET_DATASTORE_disconnect (db_dst, GNUNET_NO);
+ GNUNET_CONFIGURATION_destroy (scfg);
+}
+
+
+/**
+ * Perform next GET operation.
+ */
+static void
+do_get (void);
+
+
+/**
+ * Continuation called to notify client about result of the
+ * operation.
+ *
+ * @param cls closure
+ * @param success GNUNET_SYSERR on failure (including timeout/queue drop)
+ * GNUNET_NO if content was already there
+ * GNUNET_YES (or other positive value) on success
+ * @param min_expiration minimum expiration time required for 0-priority content to be stored
+ * by the datacache at this time, zero for unknown, forever if we have no
+ * space for 0-priority content
+ * @param msg NULL on success, otherwise an error message
+ */
+static void
+do_finish (void *cls,
+ int32_t success,
+ struct GNUNET_TIME_Absolute min_expiration,
+ const char *msg)
+{
+ qe = NULL;
+ if (GNUNET_SYSERR == success)
+ {
+ fprintf (stderr,
+ _("Failed to store item: %s, aborting\n"),
+ msg);
+ ret = 1;
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ do_get ();
+}
+
+
+/**
+ * Process a datum that was stored in the datastore.
+ *
+ * @param cls closure
+ * @param key key for the content
+ * @param size number of bytes in data
+ * @param data content stored
+ * @param type type of the content
+ * @param priority priority of the content
+ * @param anonymity anonymity-level for the content
+ * @param expiration expiration time for the content
+ * @param uid unique identifier for the datum;
+ * maybe 0 if no unique identifier is available
+ */
+static void
+do_put (void *cls,
+ const struct GNUNET_HashCode *key,
+ size_t size, const void *data,
+ enum GNUNET_BLOCK_Type type,
+ uint32_t priority,
+ uint32_t anonymity,
+ struct GNUNET_TIME_Absolute
+ expiration, uint64_t uid)
+{
+ qe = NULL;
+ if ( (0 != offset) &&
+ (uid == first_uid) )
+ {
+ GNUNET_SCHEDULER_shutdown ();
+ return;
+ }
+ if (0 == offset)
+ first_uid = uid;
+ qe = GNUNET_DATASTORE_put (db_dst, 0,
+ key, size, data, type,
+ priority, anonymity,
+ 0 /* FIXME: replication is lost... */,
+ expiration,
+ 0, 1, GNUNET_TIME_UNIT_FOREVER_REL,
+ &do_finish, NULL);
+}
+
+
+/**
+ * Perform next GET operation.
+ */
+static void
+do_get ()
+{
+ qe = GNUNET_DATASTORE_get_key (db_src,
+ offset,
+ NULL, GNUNET_BLOCK_TYPE_ANY,
+ 0, 1,
+ GNUNET_TIME_UNIT_FOREVER_REL,
+ &do_put, NULL);
+}
+
+
+
+/**
+ * Main function that will be run by the scheduler.
+ *
+ * @param cls closure
+ * @param args remaining command-line arguments
+ * @param cfgfile name of the configuration file used
+ * @param cfg configuration -- for destination datastore
+ */
+static void
+run (void *cls, char *const *args, const char *cfgfile,
+ const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ if (NULL == alternative_cfg)
+ return; /* nothing to be done */
+ if (0 == strcmp (cfgfile, alternative_cfg))
+ {
+ fprintf (stderr,
+ _("Cannot use the same configuration for source and destination\n"));
+ ret = 1;
+ return;
+ }
+ scfg = GNUNET_CONFIGURATION_create ();
+ if (GNUNET_OK !=
+ GNUNET_CONFIGURATION_load (scfg,
+ alternative_cfg))
+ {
+ GNUNET_CONFIGURATION_destroy (scfg);
+ ret = 1;
+ return;
+ }
+ db_src = GNUNET_DATASTORE_connect (scfg);
+ if (NULL == db_src)
+ {
+ GNUNET_CONFIGURATION_destroy (scfg);
+ ret = 1;
+ return;
+ }
+ db_dst = GNUNET_DATASTORE_connect (cfg);
+ if (NULL == db_dst)
+ {
+ GNUNET_DATASTORE_disconnect (db_src, GNUNET_NO);
+ GNUNET_CONFIGURATION_destroy (scfg);
+ ret = 1;
+ return;
+ }
+ GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_FOREVER_REL,
+ &do_shutdown, NULL);
+ do_get ();
+}
+
+
+/**
+ * The main function to manipulate datastores.
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, 1 on error
+ */
+int
+main (int argc, char *const *argv)
+{
+ static const struct GNUNET_GETOPT_CommandLineOption options[] = {
+ { 's', "sourcecfg", "FILENAME",
+ gettext_noop ("specifies the configuration to use to access an alternative datastore; will merge that datastore into our current datastore"),
+ 1, &GNUNET_GETOPT_set_filename, &alternative_cfg },
+ GNUNET_GETOPT_OPTION_END
+ };
+ if (GNUNET_OK != GNUNET_STRINGS_get_utf8_args (argc, argv, &argc, &argv))
+ return 2;
+
+ if (GNUNET_OK !=
+ GNUNET_PROGRAM_run (argc, argv, "gnunet-datastore",
+ gettext_noop ("Manipulate GNUnet datastore"),
+ options, &run, NULL))
+ ret = 1;
+ GNUNET_free ((void*) argv);
+ return ret;
+}
+
+/* end of gnunet-datastore.c */