aboutsummaryrefslogtreecommitdiff
path: root/src/exchangedb/plugin_exchangedb_common.c
blob: 7b29b1d856447343727912ad731c4ecaa63a7658 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
/*
  This file is part of TALER
  Copyright (C) 2015, 2016 Inria & 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, 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:
    case TALER_EXCHANGEDB_RO_EXCHANGE_TO_BANK:
      bt = rh->details.bank;
      if (NULL != bt->sender_account_details)
        json_decref (bt->sender_account_details);
      if (NULL != bt->transfer_details)
        json_decref (bt->transfer_details);
      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;
    case TALER_EXCHANGEDB_RO_PAYBACK_COIN:
      GNUNET_free (rh->details.payback);
      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;
    if (NULL != ldl->denom_pub.rsa_public_key)
        GNUNET_CRYPTO_rsa_public_key_free (ldl->denom_pub.rsa_public_key);
      if (NULL != ldl->ev_sig.rsa_signature)
        GNUNET_CRYPTO_rsa_signature_free (ldl->ev_sig.rsa_signature);
    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->receiver_wire_account);
      if (NULL != list->details.deposit->coin.denom_pub.rsa_public_key)
        GNUNET_CRYPTO_rsa_public_key_free (list->details.deposit->coin.denom_pub.rsa_public_key);
      if (NULL != list->details.deposit->coin.denom_sig.rsa_signature)
        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:
      if (NULL != list->details.melt->coin.denom_pub.rsa_public_key)
        GNUNET_CRYPTO_rsa_public_key_free (list->details.melt->coin.denom_pub.rsa_public_key);
      if (NULL != list->details.melt->coin.denom_sig.rsa_signature)
        GNUNET_CRYPTO_rsa_signature_free (list->details.melt->coin.denom_sig.rsa_signature);
      GNUNET_free (list->details.melt);
      break;
    case TALER_EXCHANGEDB_TT_REFUND:
      if (NULL != list->details.refund->coin.denom_pub.rsa_public_key)
        GNUNET_CRYPTO_rsa_public_key_free (list->details.refund->coin.denom_pub.rsa_public_key);
      if (NULL != list->details.refund->coin.denom_sig.rsa_signature)
        GNUNET_CRYPTO_rsa_signature_free (list->details.refund->coin.denom_sig.rsa_signature);
      GNUNET_free (list->details.refund);
      break;
    case TALER_EXCHANGEDB_TT_PAYBACK:
      GNUNET_free (list->details.payback);
      break;
    }
    GNUNET_free (list);
    list = next;
  }
}


/* end of plugin_exchangedb_common.c */