src/ail_db.c

   1 /*
   2  * ail
   3  *
   4  * Copyright (c) 2000 - 2011 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: Jayoun Lee <airjany@samsung.com>, Sewook Park <sewook7.park@samsung.com>, Jaeho Lee <jaeho81.lee@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  * http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22
  23
  24
  25 #include <stdlib.h>
  26 #include <string.h>
  27 #include <db-util.h>
  28 #include <glib.h>
  29 #include "ail_private.h"
  30 #include "ail_db.h"
  31
  32 #define retv_with_dbmsg_if(expr, val) do { \
  33         if (expr) { \
  34                 _E("db_info.dbro: %s", sqlite3_errmsg(db_info.dbro)); \
  35                 _E("db_info.dbrw: %s", sqlite3_errmsg(db_info.dbrw)); \
  36                 return (val); \
  37         } \
  38 } while (0)
  39
  40
  41 static __thread struct {
  42         sqlite3         *dbro;
  43         sqlite3         *dbrw;
  44 } db_info = {
  45         .dbro = NULL,
  46         .dbrw = NULL
  47 };
  48
  49 ail_error_e db_open(db_open_mode mode)
  50 {
  51         int ret;
  52         int changed = 0;
  53
  54         if(mode & DB_OPEN_RO) {
  55                 if (!db_info.dbro) {
  56                         ret = db_util_open_with_options(APP_INFO_DB, &db_info.dbro, SQLITE_OPEN_READONLY, NULL);
  57                         retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
  58                 }
  59         }
  60
  61         if(mode & DB_OPEN_RW) {
  62                 if (!db_info.dbrw) {
  63                         ret = db_util_open(APP_INFO_DB, &db_info.dbrw, DB_UTIL_REGISTER_HOOK_METHOD);
  64                         retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
  65                 }
  66         }
  67
  68         return AIL_ERROR_OK;
  69 }
  70
  71
  72
  73 ail_error_e db_prepare(const char *query, sqlite3_stmt **stmt)
  74 {
  75         int ret;
  76
  77         retv_if(!query, AIL_ERROR_INVALID_PARAMETER);
  78         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
  79         retv_if(!db_info.dbro, AIL_ERROR_DB_FAILED);
  80
  81         ret = sqlite3_prepare_v2(db_info.dbro, query, strlen(query), stmt, NULL);
  82         if (ret != SQLITE_OK) {
  83                 _E("%s\n", sqlite3_errmsg(db_info.dbro));
  84                 return AIL_ERROR_DB_FAILED;
  85         } else
  86                 return AIL_ERROR_OK;
  87 }
  88
  89
  90 ail_error_e db_bind_bool(sqlite3_stmt *stmt, int idx, bool value)
  91 {
  92         int ret;
  93
  94         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
  95
  96         ret = sqlite3_bind_int(stmt, idx, (int) value);
  97         retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
  98
  99         return AIL_ERROR_OK;
 100 }
 101
 102
 103
 104 ail_error_e db_bind_int(sqlite3_stmt *stmt, int idx, int value)
 105 {
 106         int ret;
 107
 108         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 109
 110         ret = sqlite3_bind_int(stmt, idx, value);
 111         retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
 112
 113         return AIL_ERROR_OK;
 114 }
 115
 116
 117
 118 ail_error_e db_step(sqlite3_stmt *stmt)
 119 {
 120         int ret;
 121
 122         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 123
 124         ret = sqlite3_step(stmt);
 125         switch (ret) {
 126                 case SQLITE_DONE:
 127                         return AIL_ERROR_NO_DATA;
 128                 case SQLITE_ROW:
 129                         return AIL_ERROR_OK;
 130         }
 131
 132         retv_with_dbmsg_if(1, AIL_ERROR_DB_FAILED);
 133 }
 134
 135
 136
 137 ail_error_e db_column_bool(sqlite3_stmt *stmt, int index, bool *value)
 138 {
 139         int out_val;
 140
 141         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 142         retv_if(!value, AIL_ERROR_INVALID_PARAMETER);
 143
 144         out_val = sqlite3_column_int(stmt, index);
 145         *value = (out_val == 1)? true:false;
 146
 147         return AIL_ERROR_OK;
 148 }
 149
 150
 151
 152 ail_error_e db_column_int(sqlite3_stmt *stmt, int index, int *value)
 153 {
 154         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 155         retv_if(!value, AIL_ERROR_INVALID_PARAMETER);
 156
 157         *value = sqlite3_column_int(stmt, index);
 158
 159         return AIL_ERROR_OK;
 160 }
 161
 162
 163
 164 ail_error_e db_column_str(sqlite3_stmt *stmt, int index, char **str)
 165 {
 166         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 167         retv_if(!str, AIL_ERROR_INVALID_PARAMETER);
 168
 169         *str = (char *)sqlite3_column_text(stmt, index);
 170
 171         return AIL_ERROR_OK;
 172 }
 173
 174
 175
 176 ail_error_e db_reset(sqlite3_stmt *stmt)
 177 {
 178         int ret;
 179
 180         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 181
 182         sqlite3_clear_bindings(stmt);
 183
 184         ret = sqlite3_reset(stmt);
 185         retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
 186
 187         return AIL_ERROR_OK;
 188 }
 189
 190
 191
 192 ail_error_e db_finalize(sqlite3_stmt *stmt)
 193 {
 194         int ret;
 195
 196         retv_if(!stmt, AIL_ERROR_INVALID_PARAMETER);
 197
 198         ret = sqlite3_finalize(stmt);
 199         retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
 200
 201         return AIL_ERROR_OK;
 202 }
 203
 204
 205
 206 ail_error_e db_exec(const char *query)
 207 {
 208         int ret;
 209         char *errmsg;
 210
 211         retv_if(!query, AIL_ERROR_INVALID_PARAMETER);
 212         retv_if(!db_info.dbrw, AIL_ERROR_DB_FAILED);
 213
 214         ret = sqlite3_exec(db_info.dbrw, query, NULL, NULL, &errmsg);
 215         if (ret != SQLITE_OK) {
 216                 _E("Cannot execute this query - %s. because %s",
 217                                 query, errmsg? errmsg:"uncatched error");
 218                 sqlite3_free(errmsg);
 219                 return AIL_ERROR_DB_FAILED;
 220         }
 221
 222         return AIL_ERROR_OK;
 223 }
 224
 225
 226
 227 ail_error_e db_close(void)
 228 {
 229         int ret;
 230
 231         if(db_info.dbro) {
 232                 ret = sqlite3_close(db_info.dbro);
 233                 retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
 234
 235                 db_info.dbro = NULL;
 236         }
 237         if(db_info.dbrw) {
 238                 ret = sqlite3_close(db_info.dbrw);
 239                 retv_with_dbmsg_if(ret != SQLITE_OK, AIL_ERROR_DB_FAILED);
 240
 241                 db_info.dbrw = NULL;
 242         }
 243
 244         return AIL_ERROR_OK;
 245 }
 246
 247 EXPORT_API ail_error_e ail_db_close(void)
 248 {
 249         return db_close();
 250 }
 251
 252 int db_exec_sqlite_query(char *query, sqlite_query_callback callback, void *data)
 253 {
 254         char *error_message = NULL;
 255         if (SQLITE_OK !=
 256             sqlite3_exec(db_info.dbro, query, callback, data, &error_message)) {
 257                 _E("Don't execute query = %s error message = %s\n", query,
 258                        error_message);
 259                 sqlite3_free(error_message);
 260                 return -1;
 261         }
 262         sqlite3_free(error_message);
 263         return 0;
 264 }
 265
 266 // End of file.