mint->exchange renaming

1 files changed, 105 insertions, 0 deletions

diff --git a/src/backend/taler-merchant-httpd_exchanges.h b/src/backend/taler-merchant-httpd_exchanges.h
new file mode 100644
index 00000000..6612f4f4
--- /dev/null
+++ b/src/backend/taler-merchant-httpd_exchanges.h
@@ -0,0 +1,105 @@
+/*
+  This file is part of TALER
+  (C) 2014, 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 backend/taler-merchant-httpd_exchanges.h
+ * @brief logic this HTTPD keeps for each exchange we interact with
+ * @author Marcello Stanisci
+ * @author Christian Grothoff
+ */
+#ifndef TALER_MERCHANT_HTTPD_EXCHANGES_H
+#define TALER_MERCHANT_HTTPD_EXCHANGES_H
+
+#include <jansson.h>
+#include <gnunet/gnunet_util_lib.h>
+#include <curl/curl.h>
+#include <taler/taler_util.h>
+#include <taler/taler_exchange_service.h>
+#include "taler-merchant-httpd.h"
+
+
+/**
+ * List of our trusted exchanges in JSON format for inclusion in contracts.
+ */
+extern json_t *trusted_exchanges;
+
+
+/**
+ * Parses "trusted" exchanges listed in the configuration.
+ *
+ * @param cfg the configuration
+ * @return #GNUNET_OK on success; #GNUNET_SYSERR upon error in
+ *          parsing or initialization.
+ */
+int
+TMH_EXCHANGES_init (const struct GNUNET_CONFIGURATION_Handle *cfg);
+
+
+/**
+ * Function called to shutdown the exchanges subsystem.
+ */
+void
+TMH_EXCHANGES_done (void);
+
+
+/**
+ * Function called with the result of a #TMH_EXCHANGES_find_exchange()
+ * operation.
+ *
+ * @param cls closure
+ * @param mh handle to the exchange context
+ * @param exchange_trusted #GNUNET_YES if this exchange is trusted by config
+ */
+typedef void
+(*TMH_EXCHANGES_FindContinuation)(void *cls,
+                              struct TALER_EXCHANGE_Handle *mh,
+                              int exchange_trusted);
+
+
+/**
+ * Information we keep for a pending #MMH_EXCHANGES_find_exchange() operation.
+ */
+struct TMH_EXCHANGES_FindOperation;
+
+
+/**
+ * Find a exchange that matches @a chosen_exchange. If we cannot connect
+ * to the exchange, or if it is not acceptable, @a fc is called with
+ * NULL for the exchange.
+ *
+ * @param chosen_exchange URI of the exchange we would like to talk to
+ * @param fc function to call with the handles for the exchange
+ * @param fc_cls closure for @a fc
+ *
+ * FIXME: should probably return a value to *cancel* the
+ * operation in case MHD connection goes down and needs to
+ * free fc_cls.
+ */
+struct TMH_EXCHANGES_FindOperation *
+TMH_EXCHANGES_find_exchange (const char *chosen_exchange,
+                     TMH_EXCHANGES_FindContinuation fc,
+                     void *fc_cls);
+
+
+/**
+ * Abort pending find operation.
+ *
+ * @param fo handle to operation to abort
+ */
+void
+TMH_EXCHANGES_find_exchange_cancel (struct TMH_EXCHANGES_FindOperation *fo);
+
+
+#endif