src/database_main.c

   1 /*
   2  * tel-plugin-database
   3  *
   4  * Copyright (c) 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact: DongHoo Park <donghoo.park@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 #include <stdio.h>
  23 #include <stdlib.h>
  24 #include <string.h>
  25 #include <strings.h>
  26
  27 #include <glib.h>
  28 #include <db-util.h>
  29
  30 #include <tcore.h>
  31 #include <plugin.h>
  32 #include <storage.h>
  33
  34 #ifndef PLUGIN_VERSION
  35 #define PLUGIN_VERSION 1
  36 #endif
  37
  38 static void *create_handle(Storage *strg, const char *path)
  39 {
  40         int rv = 0;
  41         sqlite3 *handle = NULL;
  42
  43         rv = db_util_open(path, &handle, 0);
  44         if (rv != SQLITE_OK) {
  45                 err("fail to connect database err(%d)", rv);
  46                 return NULL;
  47         }
  48
  49         dbg("connected to %s", path);
  50         return handle;
  51 }
  52
  53 static gboolean remove_handle(Storage *strg, void *handle)
  54 {
  55         if (!handle)
  56                 return FALSE;
  57
  58         db_util_close(handle);
  59
  60         dbg("disconnected from database");
  61         return TRUE;
  62 }
  63
  64 static gboolean update_query_database(Storage *strg, void *handle, const char *query, GHashTable *in_param)
  65 {
  66         int rv = 0;
  67         sqlite3_stmt *stmt = NULL;
  68         char szQuery[1000+1];   /* +1 is for NULL Termination Character '\0' */
  69
  70         GHashTableIter iter;
  71         gpointer key, value;
  72
  73         dbg("update query");
  74
  75         memset(szQuery, '\0', 1001);
  76         strncpy(szQuery, query, 1000);
  77
  78         rv = sqlite3_prepare_v2(handle, szQuery, strlen(szQuery), &stmt, NULL);
  79         if (rv != SQLITE_OK) {
  80                 err("fail to connect to table (%d)", rv);
  81                 return FALSE;
  82         }
  83
  84         if (in_param) {
  85                 g_hash_table_iter_init(&iter, in_param);
  86                 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
  87                         dbg("key(%s), value(%s)", (const char *)key, (const char *)value);
  88
  89                         if (!value || g_strcmp0((const char *)value, "") == 0) {
  90                                 dbg("bind null");
  91                                 rv = sqlite3_bind_null(stmt, atoi((const char *)key));
  92                         } else {
  93                                 dbg("bind value");
  94                                 rv = sqlite3_bind_text(stmt, atoi((const char *)key), (const char *)value, strlen((const char *)value),
  95                                                 SQLITE_STATIC);
  96                         }
  97
  98                         if (rv != SQLITE_OK) {
  99                                 dbg("fail to bind data (%d)", rv);
 100                                 return FALSE;
 101                         }
 102                 }
 103         }
 104
 105         rv = sqlite3_step(stmt);
 106         dbg("update query executed (%d)", rv);
 107         sqlite3_finalize(stmt);
 108
 109         if (rv != SQLITE_DONE)
 110                 return FALSE;
 111
 112         return TRUE;
 113 }
 114
 115 static gboolean _read_query_database_internal(Storage *strg, void *handle, const char *query, GHashTable *in_param,
 116                 gpointer out_param, int out_param_cnt, gboolean in_order)
 117 {
 118         int rv = 0, local_index = 0, outter_index = 0;
 119         sqlite3_stmt *stmt = NULL;
 120         char szQuery[5000+1];   /* +1 is for NULL Termination Character '\0' */
 121
 122         GHashTableIter iter;
 123         gpointer key, value;
 124
 125         dbg("read query");
 126
 127         memset(szQuery, '\0', 5001);
 128         strncpy(szQuery, query, 5000);
 129
 130         rv = sqlite3_prepare_v2(handle, szQuery, strlen(szQuery), &stmt, NULL);
 131         if (rv != SQLITE_OK) {
 132                 err("fail to connect to table (%d)", rv);
 133                 return FALSE;
 134         }
 135
 136         if (in_param) {
 137                 g_hash_table_iter_init(&iter, in_param);
 138                 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 139                         dbg("key(%s), value(%s)", (const char *)key, (const char *)value);
 140
 141                         if (!value || g_strcmp0((const char *)value, "") == 0) {
 142                                 dbg("bind null");
 143                                 rv = sqlite3_bind_null(stmt, atoi((const char *)key));
 144                         } else {
 145                                 dbg("bind value");
 146                                 rv = sqlite3_bind_text(stmt, atoi((const char *)key), (const char *)value, strlen((const char *)value),
 147                                                 SQLITE_STATIC);
 148                         }
 149
 150                         if (rv != SQLITE_OK) {
 151                                 dbg("fail to bind data (%d)", rv);
 152                                 return FALSE;
 153                         }
 154                 }
 155         }
 156
 157         rv = sqlite3_step(stmt);
 158         dbg("read query executed (%d), in_order (%d)", rv, in_order);
 159
 160         while (rv == SQLITE_ROW) {
 161                 GHashTable *out_param_data;
 162
 163                 out_param_data = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
 164
 165                 for (local_index = 0; local_index < out_param_cnt; local_index++) {
 166                         char tmp_key[10];
 167                         const unsigned char *tmp;
 168                         tmp = sqlite3_column_text(stmt, local_index);
 169                         snprintf(tmp_key, sizeof(tmp_key), "%d", local_index);
 170                         g_hash_table_insert(out_param_data, g_strdup(tmp_key), g_strdup((const char *)tmp));
 171                 }
 172
 173                 if (in_order) {
 174                         GSList **temp = out_param;
 175                         *temp = g_slist_append(*temp, out_param_data);
 176                 } else {
 177                         char tmp_key_outter[10];
 178                         snprintf(tmp_key_outter, sizeof(tmp_key_outter), "%d", outter_index);
 179                         g_hash_table_insert((GHashTable*)out_param, g_strdup(tmp_key_outter), out_param_data);
 180                 }
 181                 outter_index++;
 182                 rv = sqlite3_step(stmt);
 183         }
 184
 185         sqlite3_finalize(stmt);
 186         return TRUE;
 187 }
 188
 189 static gboolean read_query_database(Storage *strg, void *handle, const char *query, GHashTable *in_param,
 190                 GHashTable **out_param, int out_param_cnt)
 191 {
 192         GHashTable *out_hash_table;
 193
 194         if (out_param == NULL)
 195                 return FALSE;
 196
 197         out_hash_table = g_hash_table_new_full(g_str_hash, g_str_equal,
 198                         g_free, (GDestroyNotify)g_hash_table_destroy);
 199
 200         if (_read_query_database_internal(strg,
 201                         handle, query, in_param, out_hash_table, out_param_cnt, FALSE) == FALSE) {
 202                 g_hash_table_destroy(out_hash_table);
 203                 return FALSE;
 204         }
 205
 206         *out_param = out_hash_table;
 207
 208         return TRUE;
 209 }
 210
 211 static gboolean read_query_database_in_order(Storage *strg, void *handle, const char *query, GHashTable *in_param,
 212                 GSList **out_param, int out_param_cnt)
 213 {
 214         if (_read_query_database_internal(strg,
 215                         handle, query, in_param, out_param, out_param_cnt, TRUE) == FALSE)
 216                 return FALSE;
 217
 218         return TRUE;
 219 }
 220
 221 static gboolean insert_query_database(Storage *strg, void *handle, const char *query, GHashTable *in_param)
 222 {
 223         int rv = 0;
 224         sqlite3_stmt *stmt = NULL;
 225         char szQuery[5000+1];   /* +1 is for NULL Termination Character '\0' */
 226
 227         GHashTableIter iter;
 228         gpointer key, value;
 229         dbg("insert query");
 230
 231         memset(szQuery, '\0', 5001);
 232         strncpy(szQuery, query, 5000);
 233
 234         rv = sqlite3_prepare_v2(handle, szQuery, strlen(szQuery), &stmt, NULL);
 235         if (rv != SQLITE_OK) {
 236                 err("fail to connect to table (%d)", rv);
 237                 return FALSE;
 238         }
 239
 240         if (in_param) {
 241                 g_hash_table_iter_init(&iter, in_param);
 242                 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 243                         dbg("key(%s), value(%s)", (const char *)key, (const char *)value);
 244
 245                         if (!value || g_strcmp0((const char *)value, "") == 0) {
 246                                 dbg("bind null");
 247                                 rv = sqlite3_bind_null(stmt, atoi((const char *)key));
 248                         } else {
 249                                 dbg("bind value");
 250                                 rv = sqlite3_bind_text(stmt, atoi((const char *)key), (const char *)value, strlen((const char *)value),
 251                                                 SQLITE_STATIC);
 252                         }
 253
 254                         if (rv != SQLITE_OK) {
 255                                 dbg("fail to bind data (%d)", rv);
 256                                 return FALSE;
 257                         }
 258                 }
 259         }
 260
 261         rv = sqlite3_step(stmt);
 262         dbg("insert query executed (%d)", rv);
 263         sqlite3_finalize(stmt);
 264
 265         if (rv != SQLITE_DONE)
 266                 return FALSE;
 267
 268         return TRUE;
 269 }
 270
 271 static gboolean remove_query_database(Storage *strg, void *handle, const char *query, GHashTable *in_param)
 272 {
 273         int rv = 0;
 274         sqlite3_stmt *stmt = NULL;
 275         char szQuery[1000+1];   /* +1 is for NULL Termination Character '\0' */
 276
 277         GHashTableIter iter;
 278         gpointer key, value;
 279         dbg("remove query");
 280
 281         memset(szQuery, '\0', 1001);
 282         strncpy(szQuery, query, 1000);
 283
 284         rv = sqlite3_prepare_v2(handle, szQuery, strlen(szQuery), &stmt, NULL);
 285         if (rv != SQLITE_OK) {
 286                 err("fail to connect to table (%d)", rv);
 287                 return FALSE;
 288         }
 289
 290         if (in_param) {
 291                 g_hash_table_iter_init(&iter, in_param);
 292                 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 293                         dbg("key(%s), value(%s)", (const char *)key, (const char *)value);
 294
 295                         if (!value || g_strcmp0((const char *)value, "") == 0) {
 296                                 dbg("bind null");
 297                                 rv = sqlite3_bind_null(stmt, atoi((const char *)key));
 298                         } else {
 299                                 dbg("bind value");
 300                                 rv = sqlite3_bind_text(stmt, atoi((const char *)key), (const char *)value, strlen((const char *)value),
 301                                                 SQLITE_STATIC);
 302                         }
 303
 304                         if (rv != SQLITE_OK) {
 305                                 dbg("fail to bind data (%d)", rv);
 306                                 return FALSE;
 307                         }
 308                 }
 309         }
 310
 311         rv = sqlite3_step(stmt);
 312         dbg("remove query executed (%d)", rv);
 313         sqlite3_finalize(stmt);
 314
 315         if (rv != SQLITE_DONE)
 316                 return FALSE;
 317
 318         return TRUE;
 319 }
 320
 321 static struct storage_operations ops = {
 322         .create_handle = create_handle,
 323         .remove_handle = remove_handle,
 324         .update_query_database = update_query_database,
 325         .read_query_database = read_query_database,
 326         .read_query_database_in_order = read_query_database_in_order,
 327         .insert_query_database = insert_query_database,
 328         .remove_query_database = remove_query_database,
 329 };
 330
 331 static gboolean on_load()
 332 {
 333         dbg("i'm load!");
 334         return TRUE;
 335 }
 336
 337 static gboolean on_init(TcorePlugin *p)
 338 {
 339         if (!p)
 340                 return FALSE;
 341
 342         tcore_storage_new(p, "database", &ops);
 343
 344         dbg("finish to initialize database plug-in");
 345         return TRUE;
 346 }
 347
 348 static void on_unload(TcorePlugin *p)
 349 {
 350         dbg("i'm unload!");
 351         return;
 352 }
 353
 354 EXPORT_API struct tcore_plugin_define_desc plugin_define_desc = {
 355         .name = "DATABASE",
 356         .priority = TCORE_PLUGIN_PRIORITY_HIGH - 1,
 357         .version = PLUGIN_VERSION,
 358         .load = on_load,
 359         .init = on_init,
 360         .unload = on_unload
 361 };