| 21 |
#include <string.h> |
#include <string.h> |
| 22 |
#include <errno.h> |
#include <errno.h> |
| 23 |
#include <stdlib.h> |
#include <stdlib.h> |
| 24 |
|
#include <strings.h> |
| 25 |
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|
| 26 |
int load_section_config_from_db(void) |
int load_section_config_from_db(void) |
| 27 |
{ |
{ |
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mysql_free_result(rs); |
mysql_free_result(rs); |
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|
| 147 |
mysql_close(db); |
mysql_close(db); |
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|
| 149 |
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return ret; |
| 150 |
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} |
| 151 |
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|
| 152 |
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int append_articles_from_db(int32_t start_aid, int global_lock) |
| 153 |
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{ |
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MYSQL *db; |
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MYSQL_RES *rs; |
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MYSQL_ROW row; |
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char sql[SQL_BUFFER_LEN]; |
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ARTICLE article; |
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SECTION_LIST *p_section = NULL; |
| 160 |
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int32_t last_sid = 0; |
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int ret = 0; |
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int i; |
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|
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db = db_open(); |
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if (db == NULL) |
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{ |
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log_error("db_open() error: %s\n", mysql_error(db)); |
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return -2; |
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} |
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|
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snprintf(sql, sizeof(sql), |
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"SELECT AID, TID, SID, CID, UID, visible, excerption, " |
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"ontop, `lock`, username, nickname, title, UNIX_TIMESTAMP(sub_dt) AS sub_dt " |
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"FROM bbs WHERE AID >= %d ORDER BY AID", |
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start_aid); |
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|
|
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if (mysql_query(db, sql) != 0) |
| 178 |
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{ |
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log_error("Query article list error: %s\n", mysql_error(db)); |
| 180 |
|
return -3; |
| 181 |
|
} |
| 182 |
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if ((rs = mysql_use_result(db)) == NULL) |
| 183 |
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{ |
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log_error("Get article list data failed\n"); |
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return -3; |
| 186 |
|
} |
| 187 |
|
|
| 188 |
|
// acquire global lock |
| 189 |
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if (global_lock) |
| 190 |
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{ |
| 191 |
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if ((ret = section_list_rw_lock(NULL)) < 0) |
| 192 |
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{ |
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log_error("section_list_rw_lock(sid = 0) error\n"); |
| 194 |
|
goto cleanup; |
| 195 |
|
} |
| 196 |
|
} |
| 197 |
|
|
| 198 |
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while ((row = mysql_fetch_row(rs))) |
| 199 |
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{ |
| 200 |
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bzero(&article, sizeof(ARTICLE)); |
| 201 |
|
|
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|
// copy data of article |
| 203 |
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i = 0; |
| 204 |
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|
| 205 |
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article.aid = atoi(row[i++]); |
| 206 |
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article.tid = atoi(row[i++]); |
| 207 |
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article.sid = atoi(row[i++]); |
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article.cid = atoi(row[i++]); |
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article.uid = atoi(row[i++]); |
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article.visible = (int8_t)atoi(row[i++]); |
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article.excerption = (int8_t)atoi(row[i++]); |
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article.ontop = (int8_t)atoi(row[i++]); |
| 213 |
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article.lock = (int8_t)atoi(row[i++]); |
| 214 |
|
|
| 215 |
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strncpy(article.username, row[i++], sizeof(article.username) - 1); |
| 216 |
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article.username[sizeof(article.username) - 1] = '\0'; |
| 217 |
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strncpy(article.nickname, row[i++], sizeof(article.nickname) - 1); |
| 218 |
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article.nickname[sizeof(article.nickname) - 1] = '\0'; |
| 219 |
|
strncpy(article.title, row[i++], sizeof(article.title) - 1); |
| 220 |
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article.title[sizeof(article.title) - 1] = '\0'; |
| 221 |
|
|
| 222 |
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article.sub_dt = atol(row[i++]); |
| 223 |
|
|
| 224 |
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// release lock of last section if different from current one |
| 225 |
|
if (!global_lock && article.sid != last_sid && last_sid != 0) |
| 226 |
|
{ |
| 227 |
|
if ((ret = section_list_rw_unlock(p_section)) < 0) |
| 228 |
|
{ |
| 229 |
|
log_error("section_list_rw_unlock(sid = %d) error\n", p_section->sid); |
| 230 |
|
break; |
| 231 |
|
} |
| 232 |
|
} |
| 233 |
|
|
| 234 |
|
if ((p_section = section_list_find_by_sid(article.sid)) == NULL) |
| 235 |
|
{ |
| 236 |
|
log_error("section_list_find_by_sid(%d) error: unknown section, try reloading section config\n", article.sid); |
| 237 |
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ret = -4; // known section found |
| 238 |
|
break; |
| 239 |
|
} |
| 240 |
|
|
| 241 |
|
// acquire lock of current section if different from last one |
| 242 |
|
if (!global_lock && article.sid != last_sid) |
| 243 |
|
{ |
| 244 |
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if ((ret = section_list_rw_lock(NULL)) < 0) |
| 245 |
|
{ |
| 246 |
|
log_error("section_list_rw_lock(sid = 0) error\n"); |
| 247 |
|
break; |
| 248 |
|
} |
| 249 |
|
} |
| 250 |
|
|
| 251 |
|
// append article to section list |
| 252 |
|
last_sid = article.sid; |
| 253 |
|
|
| 254 |
|
if (section_list_append_article(p_section, &article) < 0) |
| 255 |
|
{ |
| 256 |
|
log_error("section_list_append_article(sid = %d, aid = %d) error\n", |
| 257 |
|
p_section->sid, article.aid); |
| 258 |
|
ret = -3; |
| 259 |
|
break; |
| 260 |
|
} |
| 261 |
|
} |
| 262 |
|
|
| 263 |
|
// release lock of last section |
| 264 |
|
if (!global_lock && last_sid != 0) |
| 265 |
|
{ |
| 266 |
|
if ((ret = section_list_rw_unlock(p_section)) < 0) |
| 267 |
|
{ |
| 268 |
|
log_error("section_list_rw_unlock(sid = %d) error\n", p_section->sid); |
| 269 |
|
} |
| 270 |
|
} |
| 271 |
|
|
| 272 |
|
// release global lock |
| 273 |
|
if (global_lock) |
| 274 |
|
{ |
| 275 |
|
if ((ret = section_list_rw_unlock(NULL)) < 0) |
| 276 |
|
{ |
| 277 |
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log_error("section_list_rw_unlock(sid = 0) error\n"); |
| 278 |
|
} |
| 279 |
|
} |
| 280 |
|
|
| 281 |
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cleanup: |
| 282 |
|
mysql_free_result(rs); |
| 283 |
|
|
| 284 |
|
mysql_close(db); |
| 285 |
|
|
| 286 |
return ret; |
return ret; |
| 287 |
} |
} |
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