renaming mint->exchange

1 files changed, 87 insertions, 0 deletions

diff --git a/src/exchangedb/exchangedb_plugin.c b/src/exchangedb/exchangedb_plugin.c
new file mode 100644
index 000000000..ebaef9cc0
--- /dev/null
+++ b/src/exchangedb/exchangedb_plugin.c
@@ -0,0 +1,87 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2015 GNUnet e.V.
+
+  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 exchangedb/exchangedb_plugin.c
+ * @brief Logic to load database plugin
+ * @author Christian Grothoff
+ * @author Sree Harsha Totakura <sreeharsha@totakura.in>
+ */
+#include "platform.h"
+#include "taler_exchangedb_plugin.h"
+#include <ltdl.h>
+
+
+/**
+ * Initialize the plugin.
+ *
+ * @param cfg configuration to use
+ * @return #GNUNET_OK on success
+ */
+struct TALER_EXCHANGEDB_Plugin *
+TALER_EXCHANGEDB_plugin_load (const struct GNUNET_CONFIGURATION_Handle *cfg)
+{
+  char *plugin_name;
+  char *lib_name;
+  struct GNUNET_CONFIGURATION_Handle *cfg_dup;
+  struct TALER_EXCHANGEDB_Plugin *plugin;
+
+  if (GNUNET_SYSERR ==
+      GNUNET_CONFIGURATION_get_value_string (cfg,
+                                             "exchange",
+                                             "db",
+                                             &plugin_name))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "exchange",
+                               "db");
+    return NULL;
+  }
+  (void) GNUNET_asprintf (&lib_name,
+                          "libtaler_plugin_exchangedb_%s",
+                          plugin_name);
+  GNUNET_free (plugin_name);
+  cfg_dup = GNUNET_CONFIGURATION_dup (cfg);
+  plugin = GNUNET_PLUGIN_load (lib_name, cfg_dup);
+  if (NULL != plugin)
+    plugin->library_name = lib_name;
+  else
+    GNUNET_free (lib_name);
+  GNUNET_CONFIGURATION_destroy (cfg_dup);
+  return plugin;
+}
+
+
+/**
+ * Shutdown the plugin.
+ *
+ * @param plugin the plugin to unload
+ */
+void
+TALER_EXCHANGEDB_plugin_unload (struct TALER_EXCHANGEDB_Plugin *plugin)
+{
+  char *lib_name;
+
+  if (NULL == plugin)
+    return;
+  lib_name = plugin->library_name;
+  GNUNET_assert (NULL == GNUNET_PLUGIN_unload (lib_name,
+                                               plugin));
+  GNUNET_free (lib_name);
+}
+
+
+
+/* end of exchangedb_plugin.c */