diff options
Diffstat (limited to 'src/exchangedb/plugin_exchangedb_common.c')
| -rw-r--r-- | src/exchangedb/plugin_exchangedb_common.c | 162 |
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 */ |