syncdb_delete_block_TR.c (5513B)
1 /* 2 This file is part of TALER 3 (C) 2026 Taler Systems SA 4 5 TALER is free software; you can redistribute it and/or modify it under the 6 terms of the GNU Lesser General Public License as published by the Free Software 7 Foundation; either version 3, or (at your option) any later version. 8 9 TALER is distributed in the hope that it will be useful, but WITHOUT ANY 10 WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR 11 A PARTICULAR PURPOSE. See the GNU General Public License for more details. 12 13 You should have received a copy of the GNU General Public License along with 14 TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/> 15 */ 16 /** 17 * @file syncdb/syncdb_delete_block_TR.c 18 * @brief delete a block in the DLL 19 * @author Iván Ávalos 20 */ 21 #include "syncdb_pg.h" 22 23 24 enum SYNC_DB_QueryStatus 25 SYNCDB_delete_block_TR ( 26 const struct SYNC_AccountPublicKeyP *account_pub, 27 const struct SYNC_BlockNonce *block_nonce, 28 const struct SYNC_BlockNonce *prev_nonce, 29 const struct SYNC_BlockNonce *next_nonce, 30 const struct GNUNET_HashCode *block_hash, 31 unsigned int refs_length, 32 const struct SYNC_ObjectUID *object_uids, 33 const int16_t *object_incs, 34 const struct SYNC_AccountSignatureP *prev_upload_sig, 35 const struct GNUNET_HashCode *prev_hash, 36 const struct SYNC_BlockNonce *prev_prev_nonce, 37 const struct SYNC_AccountSignatureP *next_upload_sig, 38 const struct GNUNET_HashCode *next_hash, 39 const struct SYNC_BlockNonce *next_next_nonce) 40 { 41 bool account_missing; 42 bool block_missing; 43 bool outdated_write; 44 bool refs_missing; 45 bool negative_refcount; 46 bool deleted; 47 bool refs_updated; 48 struct GNUNET_PQ_QueryParam params[] = { 49 GNUNET_PQ_query_param_auto_from_type (account_pub), 50 GNUNET_PQ_query_param_auto_from_type (block_nonce), 51 (NULL != prev_nonce) 52 ? GNUNET_PQ_query_param_auto_from_type (prev_nonce) 53 : GNUNET_PQ_query_param_null (), 54 (NULL != next_nonce) 55 ? GNUNET_PQ_query_param_auto_from_type (next_nonce) 56 : GNUNET_PQ_query_param_null (), 57 (NULL != block_hash) 58 ? GNUNET_PQ_query_param_auto_from_type (block_hash) 59 : GNUNET_PQ_query_param_null (), 60 GNUNET_PQ_query_param_array_auto_from_type (refs_length, 61 object_uids, 62 pg->conn), 63 GNUNET_PQ_query_param_array_uint16 (refs_length, 64 (const uint16_t *) object_incs, 65 pg->conn), 66 (NULL != prev_upload_sig) 67 ? GNUNET_PQ_query_param_auto_from_type (prev_upload_sig) 68 : GNUNET_PQ_query_param_null (), 69 (NULL != prev_hash) 70 ? GNUNET_PQ_query_param_auto_from_type (prev_hash) 71 : GNUNET_PQ_query_param_null (), 72 (NULL != prev_prev_nonce) 73 ? GNUNET_PQ_query_param_auto_from_type (prev_prev_nonce) 74 : GNUNET_PQ_query_param_null (), 75 (NULL != next_upload_sig) 76 ? GNUNET_PQ_query_param_auto_from_type (next_upload_sig) 77 : GNUNET_PQ_query_param_null (), 78 (NULL != next_hash) 79 ? GNUNET_PQ_query_param_auto_from_type (next_hash) 80 : GNUNET_PQ_query_param_null (), 81 (NULL != next_next_nonce) 82 ? GNUNET_PQ_query_param_auto_from_type (next_next_nonce) 83 : GNUNET_PQ_query_param_null (), 84 GNUNET_PQ_query_param_end, 85 }; 86 struct GNUNET_PQ_ResultSpec rs[] = { 87 GNUNET_PQ_result_spec_bool ("out_account_missing", 88 &account_missing), 89 GNUNET_PQ_result_spec_bool ("out_block_missing", 90 &block_missing), 91 GNUNET_PQ_result_spec_bool ("out_outdated_write", 92 &outdated_write), 93 GNUNET_PQ_result_spec_bool ("out_refs_missing", 94 &refs_missing), 95 GNUNET_PQ_result_spec_bool ("out_negative_refcount", 96 &negative_refcount), 97 GNUNET_PQ_result_spec_bool ("out_deleted", 98 &deleted), 99 GNUNET_PQ_result_spec_bool ("out_refs_updated", 100 &refs_updated), 101 GNUNET_PQ_result_spec_end, 102 }; 103 104 enum GNUNET_DB_QueryStatus qs; 105 106 SYNCDB_preflight (); 107 PREPARE ("do_delete_block", 108 "SELECT" 109 " out_account_missing" 110 ",out_block_missing" 111 ",out_outdated_write" 112 ",out_refs_missing" 113 ",out_negative_refcount" 114 ",out_deleted" 115 ",out_refs_updated" 116 " FROM sync_do_delete_block" 117 " ($1,$2,$3,$4,$5,$6,$7,$8,$9,$10,$11,$12,$13)"); 118 qs = GNUNET_PQ_eval_prepared_singleton_select (pg->conn, 119 "do_delete_block", 120 params, 121 rs); 122 123 switch (qs) 124 { 125 case GNUNET_DB_STATUS_HARD_ERROR: 126 return SYNC_DB_HARD_ERROR; 127 case GNUNET_DB_STATUS_SOFT_ERROR: 128 GNUNET_break (0); 129 return SYNC_DB_SOFT_ERROR; 130 case GNUNET_DB_STATUS_SUCCESS_NO_RESULTS: 131 GNUNET_break (0); 132 return SYNC_DB_HARD_ERROR; 133 case GNUNET_DB_STATUS_SUCCESS_ONE_RESULT: 134 if (deleted) 135 return SYNC_DB_ONE_RESULT; 136 if (account_missing) 137 return SYNC_DB_PAYMENT_REQUIRED; 138 if (block_missing) 139 return SYNC_DB_TARGET_MISSING; 140 if (outdated_write) 141 return SYNC_DB_OUTDATED_WRITE; 142 if (refs_missing || negative_refcount) 143 return SYNC_DB_INCONSISTENT_BACKUP; 144 GNUNET_break (0); 145 return SYNC_DB_HARD_ERROR; 146 default: 147 GNUNET_break (0); 148 return SYNC_DB_HARD_ERROR; 149 } 150 }