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-rw-r--r--src/mint/plugin.c183
1 files changed, 183 insertions, 0 deletions
diff --git a/src/mint/plugin.c b/src/mint/plugin.c
new file mode 100644
index 000000000..91cd3f406
--- /dev/null
+++ b/src/mint/plugin.c
@@ -0,0 +1,183 @@
+/*
+ This file is part of TALER
+ Copyright (C) 2015 Christian Grothoff (and other contributing authors)
+
+ TALER 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.
+
+ TALER 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
+ TALER; see the file COPYING. If not, If not, see <http://www.gnu.org/licenses/>
+*/
+/**
+ * @file mint/plugin.c
+ * @brief Logic to load database plugin
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "plugin.h"
+#include <ltdl.h>
+
+
+/**
+ * Global variable with the plugin (once loaded).
+ */
+struct TALER_MINTDB_Plugin *plugin;
+
+/**
+ * Libtool search path before we started.
+ */
+static char *old_dlsearchpath;
+
+
+/**
+ * Initialize the plugin.
+ *
+ * @param cfg configuration to use
+ * @return #GNUNET_OK on success
+ */
+int
+TALER_MINT_plugin_load (struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+ return GNUNET_SYSERR;
+}
+
+
+/**
+ * Shutdown the plugin.
+ */
+void
+TALER_MINT_plugin_unload ()
+{
+ if (NULL == plugin)
+ return;
+}
+
+
+/**
+ * Setup libtool paths.
+ */
+void __attribute__ ((constructor))
+plugin_init ()
+{
+ int err;
+ const char *opath;
+ char *path;
+ char *cpath;
+
+ err = lt_dlinit ();
+ if (err > 0)
+ {
+ FPRINTF (stderr,
+ _("Initialization of plugin mechanism failed: %s!\n"),
+ lt_dlerror ());
+ return;
+ }
+ opath = lt_dlgetsearchpath ();
+ if (NULL != opath)
+ old_dlsearchpath = GNUNET_strdup (opath);
+ path = TALER_OS_installation_get_path (GNUNET_OS_IPK_LIBDIR);
+ if (NULL != path)
+ {
+ if (NULL != opath)
+ {
+ GNUNET_asprintf (&cpath, "%s:%s", opath, path);
+ lt_dlsetsearchpath (cpath);
+ GNUNET_free (path);
+ GNUNET_free (cpath);
+ }
+ else
+ {
+ lt_dlsetsearchpath (path);
+ GNUNET_free (path);
+ }
+ }
+}
+
+
+/**
+ * Shutdown libtool.
+ */
+void __attribute__ ((destructor))
+plugin_fini ()
+{
+ lt_dlsetsearchpath (old_dlsearchpath);
+ if (NULL != old_dlsearchpath)
+ {
+ GNUNET_free (old_dlsearchpath);
+ old_dlsearchpath = NULL;
+ }
+ lt_dlexit ();
+}
+
+
+// FIXME: decide if we should keep these in each plugin, here
+// or yet again somewhere else entirely (plugin_common.c?)
+
+/**
+ * Free memory associated with the given reserve history.
+ *
+ * @param rh history to free.
+ */
+void
+TALER_MINT_DB_free_reserve_history (struct ReserveHistory *rh)
+{
+ struct BankTransfer *bt;
+ struct CollectableBlindcoin *cbc;
+ struct ReserveHistory *backref;
+
+ while (NULL != rh)
+ {
+ switch(rh->type)
+ {
+ case TALER_MINT_DB_RO_BANK_TO_MINT:
+ bt = rh->details.bank;
+ if (NULL != bt->wire)
+ json_decref ((json_t *) bt->wire); /* FIXME: avoid cast? */
+ GNUNET_free (bt);
+ break;
+ case TALER_MINT_DB_RO_WITHDRAW_COIN:
+ cbc = rh->details.withdraw;
+ GNUNET_CRYPTO_rsa_signature_free (cbc->sig);
+ GNUNET_CRYPTO_rsa_public_key_free (cbc->denom_pub);
+ GNUNET_free (cbc);
+ break;
+ }
+ backref = rh;
+ rh = rh->next;
+ GNUNET_free (backref);
+ }
+}
+
+
+/**
+ * Free memory of the link data list.
+ *
+ * @param ldl link data list to release
+ */
+void
+TALER_db_link_data_list_free (struct LinkDataList *ldl)
+{
+ GNUNET_break (0); // FIXME
+}
+
+
+/**
+ * Free linked list of transactions.
+ *
+ * @param list list to free
+ */
+void
+TALER_MINT_DB_free_coin_transaction_list (struct TALER_MINT_DB_TransactionList *list)
+{
+ // FIXME: check logic!
+ GNUNET_break (0);
+}
+
+
+
+/* end of plugin.c */