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, NULL, 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         _read_query_database_internal(strg, handle, query, in_param, out_param, out_param_cnt, FALSE);
 193         return TRUE;
 194 }
 195
 196 static gboolean read_query_database_in_order(Storage *strg, void *handle, const char *query, GHashTable *in_param,
 197                 GSList **out_param, int out_param_cnt)
 198 {
 199         _read_query_database_internal(strg, handle, query, in_param, out_param, out_param_cnt, TRUE);
 200         return TRUE;
 201 }
 202
 203 static gboolean insert_query_database(Storage *strg, void *handle, const char *query, GHashTable *in_param)
 204 {
 205         int rv = 0;
 206         sqlite3_stmt *stmt = NULL;
 207         char szQuery[5000+1];   /* +1 is for NULL Termination Character '\0' */
 208
 209         GHashTableIter iter;
 210         gpointer key, value;
 211         dbg("insert query");
 212
 213         memset(szQuery, '\0', 5001);
 214         strncpy(szQuery, query, 5000);
 215
 216         rv = sqlite3_prepare_v2(handle, szQuery, strlen(szQuery), &stmt, NULL);
 217         if (rv != SQLITE_OK) {
 218                 err("fail to connect to table (%d)", rv);
 219                 return FALSE;
 220         }
 221
 222         if (in_param) {
 223                 g_hash_table_iter_init(&iter, in_param);
 224                 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 225                         dbg("key(%s), value(%s)", (const char *)key, (const char *)value);
 226
 227                         if (!value || g_strcmp0((const char *)value, "") == 0) {
 228                                 dbg("bind null");
 229                                 rv = sqlite3_bind_null(stmt, atoi((const char *)key));
 230                         } else {
 231                                 dbg("bind value");
 232                                 rv = sqlite3_bind_text(stmt, atoi((const char *)key), (const char *)value, strlen((const char *)value),
 233                                                 SQLITE_STATIC);
 234                         }
 235
 236                         if (rv != SQLITE_OK) {
 237                                 dbg("fail to bind data (%d)", rv);
 238                                 return FALSE;
 239                         }
 240                 }
 241         }
 242
 243         rv = sqlite3_step(stmt);
 244         dbg("insert query executed (%d)", rv);
 245         sqlite3_finalize(stmt);
 246
 247         if (rv != SQLITE_DONE)
 248                 return FALSE;
 249
 250         return TRUE;
 251 }
 252
 253 static gboolean remove_query_database(Storage *strg, void *handle, const char *query, GHashTable *in_param)
 254 {
 255         int rv = 0;
 256         sqlite3_stmt *stmt = NULL;
 257         char szQuery[1000+1];   /* +1 is for NULL Termination Character '\0' */
 258
 259         GHashTableIter iter;
 260         gpointer key, value;
 261         dbg("remove query");
 262
 263         memset(szQuery, '\0', 1001);
 264         strncpy(szQuery, query, 1000);
 265
 266         rv = sqlite3_prepare_v2(handle, szQuery, strlen(szQuery), &stmt, NULL);
 267         if (rv != SQLITE_OK) {
 268                 err("fail to connect to table (%d)", rv);
 269                 return FALSE;
 270         }
 271
 272         if (in_param) {
 273                 g_hash_table_iter_init(&iter, in_param);
 274                 while (g_hash_table_iter_next(&iter, &key, &value) == TRUE) {
 275                         dbg("key(%s), value(%s)", (const char *)key, (const char *)value);
 276
 277                         if (!value || g_strcmp0((const char *)value, "") == 0) {
 278                                 dbg("bind null");
 279                                 rv = sqlite3_bind_null(stmt, atoi((const char *)key));
 280                         } else {
 281                                 dbg("bind value");
 282                                 rv = sqlite3_bind_text(stmt, atoi((const char *)key), (const char *)value, strlen((const char *)value),
 283                                                 SQLITE_STATIC);
 284                         }
 285
 286                         if (rv != SQLITE_OK) {
 287                                 dbg("fail to bind data (%d)", rv);
 288                                 return FALSE;
 289                         }
 290                 }
 291         }
 292
 293         rv = sqlite3_step(stmt);
 294         dbg("remove query executed (%d)", rv);
 295         sqlite3_finalize(stmt);
 296
 297         if (rv != SQLITE_DONE)
 298                 return FALSE;
 299
 300         return TRUE;
 301 }
 302
 303 static struct storage_operations ops = {
 304         .create_handle = create_handle,
 305         .remove_handle = remove_handle,
 306         .update_query_database = update_query_database,
 307         .read_query_database = read_query_database,
 308         .read_query_database_in_order = read_query_database_in_order,
 309         .insert_query_database = insert_query_database,
 310         .remove_query_database = remove_query_database,
 311 };
 312
 313 static gboolean on_load()
 314 {
 315         dbg("i'm load!");
 316         return TRUE;
 317 }
 318
 319 static gboolean on_init(TcorePlugin *p)
 320 {
 321         if (!p)
 322                 return FALSE;
 323
 324         tcore_storage_new(p, "database", &ops);
 325
 326         dbg("finish to initialize database plug-in");
 327         return TRUE;
 328 }
 329
 330 static void on_unload(TcorePlugin *p)
 331 {
 332         dbg("i'm unload!");
 333         return;
 334 }
 335
 336 EXPORT_API struct tcore_plugin_define_desc plugin_define_desc = {
 337         .name = "DATABASE",
 338         .priority = TCORE_PLUGIN_PRIORITY_HIGH - 1,
 339         .version = PLUGIN_VERSION,
 340         .load = on_load,
 341         .init = on_init,
 342         .unload = on_unload
 343 };