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[GNUnet-SVN] r18654 - gnunet/src/datastore
From: |
gnunet |
Subject: |
[GNUnet-SVN] r18654 - gnunet/src/datastore |
Date: |
Sat, 17 Dec 2011 00:31:38 +0100 |
Author: grothoff
Date: 2011-12-17 00:31:38 +0100 (Sat, 17 Dec 2011)
New Revision: 18654
Modified:
gnunet/src/datastore/plugin_datastore_mysql.c
Log:
-implementting get_keys for mysql (2013)
Modified: gnunet/src/datastore/plugin_datastore_mysql.c
===================================================================
--- gnunet/src/datastore/plugin_datastore_mysql.c 2011-12-16 22:42:54 UTC
(rev 18653)
+++ gnunet/src/datastore/plugin_datastore_mysql.c 2011-12-16 23:31:38 UTC
(rev 18654)
@@ -1305,6 +1305,86 @@
/**
+ * Get all of the keys in the datastore.
+ *
+ * @param cls closure
+ * @param proc function to call on each key
+ * @param proc_cls closure for proc
+ */
+static void
+mysql_plugin_get_keys (void *cls,
+ PluginKeyProcessor proc,
+ void *proc_cls)
+{
+ struct Plugin *plugin = cls;
+ const char *query = "SELECT hash FROM gn090";
+ int ret;
+ MYSQL_STMT *statement;
+ GNUNET_HashCode key;
+ MYSQL_BIND cbind[1];
+ unsigned long length;
+
+ statement = mysql_stmt_init (plugin->dbf);
+ if (statement == NULL)
+ {
+ iclose (plugin);
+ return;
+ }
+ if (mysql_stmt_prepare (statement, query, strlen (query)))
+ {
+ GNUNET_log_from (GNUNET_ERROR_TYPE_ERROR, "mysql",
+ _("Failed to prepare statement `%s'\n"), query);
+ LOG_MYSQL (GNUNET_ERROR_TYPE_ERROR, "mysql_stmt_prepare", plugin);
+ mysql_stmt_close (statement);
+ iclose (plugin);
+ return;
+ }
+ GNUNET_assert (proc != NULL);
+ if (mysql_stmt_execute (statement))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("`%s' for `%s' failed at %s:%d with error: %s\n"),
+ "mysql_stmt_execute", query, __FILE__, __LINE__,
+ mysql_stmt_error (statement));
+ mysql_stmt_close (statement);
+ iclose (plugin);
+ return;
+ }
+ memset (cbind, 0, sizeof (cbind));
+ cbind[0].buffer_type = MYSQL_TYPE_BLOB;
+ cbind[0].buffer = &key;
+ cbind[0].buffer_length = sizeof (key);
+ cbind[0].length = &length;
+ cbind[0].is_unsigned = GNUNET_NO;
+ if (mysql_stmt_bind_result (statement, cbind))
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("`%s' failed at %s:%d with error: %s\n"),
+ "mysql_stmt_bind_result", __FILE__, __LINE__,
+ mysql_stmt_error (statement));
+ iclose (plugin);
+ return;
+ }
+ while (0 == (ret = mysql_stmt_fetch (statement)))
+ {
+ if (sizeof (GNUNET_HashCode) == length)
+ proc (proc_cls, &key, 1);
+ }
+ if (ret != MYSQL_NO_DATA)
+ {
+ GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+ _("`%s' failed at %s:%d with error: %s\n"),
+ "mysql_stmt_fetch", __FILE__, __LINE__,
+ mysql_stmt_error (statement));
+ mysql_stmt_close (statement);
+ iclose (plugin);
+ return;
+ }
+ mysql_stmt_close (statement);
+}
+
+
+/**
* Context for 'expi_proc' function.
*/
struct ExpiCtx
@@ -1495,6 +1575,7 @@
api->get_replication = &mysql_plugin_get_replication;
api->get_expiration = &mysql_plugin_get_expiration;
api->get_zero_anonymity = &mysql_plugin_get_zero_anonymity;
+ api->get_keys = &mysql_plugin_get_keys;
api->drop = &mysql_plugin_drop;
GNUNET_log_from (GNUNET_ERROR_TYPE_INFO, "mysql",
_("Mysql database running\n"));
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