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-rw-r--r--src/exchangedb/plugin_exchangedb_common.c162
1 files changed, 162 insertions, 0 deletions
diff --git a/src/exchangedb/plugin_exchangedb_common.c b/src/exchangedb/plugin_exchangedb_common.c
new file mode 100644
index 000000000..c8e689cfd
--- /dev/null
+++ b/src/exchangedb/plugin_exchangedb_common.c
@@ -0,0 +1,162 @@
+/*
+ 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/plugin_exchangedb_common.c
+ * @brief Functions shared across plugins, this file is meant to be
+ * included in each plugin.
+ * @author Christian Grothoff
+ */
+
+/**
+ * Free memory associated with the given reserve history.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param rh history to free.
+ */
+static void
+common_free_reserve_history (void *cls,
+ struct TALER_EXCHANGEDB_ReserveHistory *rh)
+{
+ struct TALER_EXCHANGEDB_BankTransfer *bt;
+ struct TALER_EXCHANGEDB_CollectableBlindcoin *cbc;
+ struct TALER_EXCHANGEDB_ReserveHistory *backref;
+
+ while (NULL != rh)
+ {
+ switch(rh->type)
+ {
+ case TALER_EXCHANGEDB_RO_BANK_TO_EXCHANGE:
+ bt = rh->details.bank;
+ if (NULL != bt->wire)
+ json_decref (bt->wire);
+ GNUNET_free (bt);
+ break;
+ case TALER_EXCHANGEDB_RO_WITHDRAW_COIN:
+ cbc = rh->details.withdraw;
+ GNUNET_CRYPTO_rsa_signature_free (cbc->sig.rsa_signature);
+ GNUNET_CRYPTO_rsa_public_key_free (cbc->denom_pub.rsa_public_key);
+ GNUNET_free (cbc);
+ break;
+ }
+ backref = rh;
+ rh = rh->next;
+ GNUNET_free (backref);
+ }
+}
+
+
+/**
+ * Free memory of the link data list.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param ldl link data list to release
+ */
+static void
+common_free_link_data_list (void *cls,
+ struct TALER_EXCHANGEDB_LinkDataList *ldl)
+{
+ struct TALER_EXCHANGEDB_LinkDataList *next;
+
+ while (NULL != ldl)
+ {
+ next = ldl->next;
+ GNUNET_free (ldl->link_data_enc);
+ GNUNET_free (ldl);
+ ldl = next;
+ }
+}
+
+
+/**
+ * Free linked list of transactions.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param list list to free
+ */
+static void
+common_free_coin_transaction_list (void *cls,
+ struct TALER_EXCHANGEDB_TransactionList *list)
+{
+ struct TALER_EXCHANGEDB_TransactionList *next;
+
+ while (NULL != list)
+ {
+ next = list->next;
+
+ switch (list->type)
+ {
+ case TALER_EXCHANGEDB_TT_DEPOSIT:
+ json_decref (list->details.deposit->wire);
+ GNUNET_CRYPTO_rsa_public_key_free (list->details.deposit->coin.denom_pub.rsa_public_key);
+ GNUNET_CRYPTO_rsa_signature_free (list->details.deposit->coin.denom_sig.rsa_signature);
+ GNUNET_free (list->details.deposit);
+ break;
+ case TALER_EXCHANGEDB_TT_REFRESH_MELT:
+ GNUNET_free (list->details.melt);
+ break;
+ }
+ GNUNET_free (list);
+ list = next;
+ }
+}
+
+
+/**
+ * Free melt commitment data.
+ *
+ * @param cls the @e cls of this struct with the plugin-specific state (unused)
+ * @param mc data structure to free
+ */
+static void
+common_free_melt_commitment (void *cls,
+ struct TALER_EXCHANGEDB_MeltCommitment *mc)
+{
+ unsigned int i;
+ unsigned int k;
+
+ if (NULL != mc->melts)
+ {
+ for (i=0;i<mc->num_oldcoins;i++)
+ {
+ GNUNET_CRYPTO_rsa_signature_free (mc->melts[i].coin.denom_sig.rsa_signature);
+ GNUNET_CRYPTO_rsa_public_key_free (mc->melts[i].coin.denom_pub.rsa_public_key);
+ }
+ GNUNET_free (mc->melts);
+ }
+ if (NULL != mc->denom_pubs)
+ {
+ for (i=0;i<mc->num_newcoins;i++)
+ if (NULL != mc->denom_pubs[i].rsa_public_key)
+ GNUNET_CRYPTO_rsa_public_key_free (mc->denom_pubs[i].rsa_public_key);
+ GNUNET_free (mc->denom_pubs);
+ }
+ for (k=0;k<TALER_CNC_KAPPA;k++)
+ {
+ if (NULL != mc->commit_coins[k])
+ {
+ for (i=0;i<mc->num_newcoins;i++)
+ {
+ GNUNET_free (mc->commit_coins[k][i].refresh_link);
+ GNUNET_free (mc->commit_coins[k][i].coin_ev);
+ }
+ GNUNET_free (mc->commit_coins[k]);
+ }
+ GNUNET_free_non_null (mc->commit_links[k]);
+ }
+ GNUNET_free (mc);
+}
+
+/* end of plugin_exchangedb_common.c */