| 14 |
* * |
* * |
| 15 |
***************************************************************************/ |
***************************************************************************/ |
| 16 |
|
|
|
#include "section_list_loader.h" |
|
| 17 |
#include "article_cache.h" |
#include "article_cache.h" |
| 18 |
#include "bbs.h" |
#include "bbs.h" |
|
#include "log.h" |
|
| 19 |
#include "database.h" |
#include "database.h" |
| 20 |
|
#include "log.h" |
| 21 |
#include "menu.h" |
#include "menu.h" |
| 22 |
#include <stdio.h> |
#include "section_list_loader.h" |
|
#include <string.h> |
|
| 23 |
#include <errno.h> |
#include <errno.h> |
| 24 |
#include <signal.h> |
#include <signal.h> |
| 25 |
|
#include <stdio.h> |
| 26 |
#include <stdlib.h> |
#include <stdlib.h> |
|
#include <strings.h> |
|
|
#include <unistd.h> |
|
|
|
|
|
#define _POSIX_C_SOURCE 200809L |
|
| 27 |
#include <string.h> |
#include <string.h> |
| 28 |
|
#include <unistd.h> |
| 29 |
|
|
| 30 |
int section_list_loader_pid; |
int section_list_loader_pid; |
| 31 |
int last_article_op_log_mid; |
int last_article_op_log_mid; |
| 32 |
|
|
| 33 |
int load_section_config_from_db(void) |
int load_section_config_from_db(int reload) |
| 34 |
{ |
{ |
| 35 |
MYSQL *db; |
MYSQL *db = NULL; |
| 36 |
MYSQL_RES *rs, *rs2; |
MYSQL_RES *rs = NULL, *rs2 = NULL; |
| 37 |
MYSQL_ROW row, row2; |
MYSQL_ROW row, row2; |
| 38 |
char sql[SQL_BUFFER_LEN]; |
char sql[SQL_BUFFER_LEN]; |
| 39 |
int32_t sid; |
int32_t sid; |
| 40 |
char master_list[(BBS_username_max_len + 1) * 3 + 1]; |
char master_list[(BBS_username_max_len + 1) * 3 + 1]; |
| 41 |
SECTION_LIST *p_section; |
SECTION_LIST *p_section; |
| 42 |
int ret; |
char ex_menu_conf[FILE_PATH_LEN]; |
| 43 |
|
MENU_SET ex_menu_set_new; |
| 44 |
|
int ret = 0; |
| 45 |
|
|
| 46 |
db = db_open(); |
db = db_open(); |
| 47 |
if (db == NULL) |
if (db == NULL) |
| 48 |
{ |
{ |
| 49 |
log_error("db_open() error: %s\n", mysql_error(db)); |
log_error("db_open() error: %s\n", mysql_error(db)); |
| 50 |
return -2; |
ret = -1; |
| 51 |
|
goto cleanup; |
| 52 |
} |
} |
| 53 |
|
|
| 54 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 55 |
"SELECT section_config.SID, sname, section_config.title, section_config.CID, " |
"SELECT section_config.SID, sname, section_config.title, section_config.CID, " |
| 56 |
"read_user_level, write_user_level, section_config.enable * section_class.enable AS enable " |
"read_user_level, write_user_level, section_config.enable * section_class.enable AS enable, " |
| 57 |
|
"UNIX_TIMESTAMP(ex_menu_tm) AS ex_menu_tm " |
| 58 |
"FROM section_config INNER JOIN section_class ON section_config.CID = section_class.CID " |
"FROM section_config INNER JOIN section_class ON section_config.CID = section_class.CID " |
| 59 |
"ORDER BY section_config.SID"); |
"ORDER BY section_config.SID"); |
| 60 |
|
|
| 61 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 62 |
{ |
{ |
| 63 |
log_error("Query section_list error: %s\n", mysql_error(db)); |
log_error("Query section_list error: %s\n", mysql_error(db)); |
| 64 |
return -3; |
ret = -2; |
| 65 |
|
goto cleanup; |
| 66 |
} |
} |
| 67 |
if ((rs = mysql_store_result(db)) == NULL) |
if ((rs = mysql_store_result(db)) == NULL) |
| 68 |
{ |
{ |
| 69 |
log_error("Get section_list data failed\n"); |
log_error("Get section_list data failed\n"); |
| 70 |
return -3; |
ret = -2; |
| 71 |
|
goto cleanup; |
| 72 |
} |
} |
| 73 |
|
|
| 74 |
ret = 0; |
ret = 0; |
| 104 |
strncat(master_list, " ", sizeof(master_list) - 1 - strnlen(master_list, sizeof(master_list))); |
strncat(master_list, " ", sizeof(master_list) - 1 - strnlen(master_list, sizeof(master_list))); |
| 105 |
} |
} |
| 106 |
mysql_free_result(rs2); |
mysql_free_result(rs2); |
| 107 |
|
rs2 = NULL; |
| 108 |
|
|
| 109 |
p_section = section_list_find_by_sid(sid); |
p_section = section_list_find_by_sid(sid); |
| 110 |
|
|
| 134 |
break; |
break; |
| 135 |
} |
} |
| 136 |
|
|
| 137 |
strncpy(p_section->sname, row[1], sizeof(p_section->sname) - 1); |
strncpy(p_section->sname, row[0], sizeof(p_section->sname) - 1); |
| 138 |
p_section->sname[sizeof(p_section->sname) - 1] = '\0'; |
p_section->sname[sizeof(p_section->sname) - 1] = '\0'; |
| 139 |
strncpy(p_section->stitle, row[1], sizeof(p_section->stitle) - 1); |
strncpy(p_section->stitle, row[1], sizeof(p_section->stitle) - 1); |
| 140 |
p_section->stitle[sizeof(p_section->stitle) - 1] = '\0'; |
p_section->stitle[sizeof(p_section->stitle) - 1] = '\0'; |
| 147 |
p_section->write_user_level = atoi(row[5]); |
p_section->write_user_level = atoi(row[5]); |
| 148 |
p_section->enable = (int8_t)atoi(row[6]); |
p_section->enable = (int8_t)atoi(row[6]); |
| 149 |
|
|
| 150 |
|
// Update gen_ex menu set |
| 151 |
|
if (reload && p_section->enable && atoi(row[7]) > p_section->ex_menu_tm) |
| 152 |
|
{ |
| 153 |
|
snprintf(ex_menu_conf, sizeof(ex_menu_conf), "%s/%d", VAR_GEN_EX_MENU_DIR, p_section->sid); |
| 154 |
|
|
| 155 |
|
ret = load_menu(&ex_menu_set_new, ex_menu_conf); |
| 156 |
|
if (ret < 0) |
| 157 |
|
{ |
| 158 |
|
log_error("load_menu(%s) error: %d\n", ex_menu_conf, ret); |
| 159 |
|
unload_menu(&ex_menu_set_new); |
| 160 |
|
} |
| 161 |
|
else |
| 162 |
|
{ |
| 163 |
|
if (p_section->ex_menu_tm > 0) |
| 164 |
|
{ |
| 165 |
|
unload_menu(&(p_section->ex_menu_set)); |
| 166 |
|
} |
| 167 |
|
|
| 168 |
|
ex_menu_set_new.allow_exit = 1; // Allow exit menu |
| 169 |
|
memcpy(&(p_section->ex_menu_set), &ex_menu_set_new, sizeof(ex_menu_set_new)); |
| 170 |
|
set_menu_shm_readonly(&(p_section->ex_menu_set)); |
| 171 |
|
|
| 172 |
|
p_section->ex_menu_tm = atol(row[7]); |
| 173 |
|
#ifdef _DEBUG |
| 174 |
|
log_common("Loaded gen_ex_menu of section %d [%s]\n", p_section->sid, p_section->sname); |
| 175 |
|
#endif |
| 176 |
|
} |
| 177 |
|
} |
| 178 |
|
|
| 179 |
// release rw lock |
// release rw lock |
| 180 |
ret = section_list_rw_unlock(p_section); |
ret = section_list_rw_unlock(p_section); |
| 181 |
if (ret < 0) |
if (ret < 0) |
| 183 |
break; |
break; |
| 184 |
} |
} |
| 185 |
} |
} |
|
mysql_free_result(rs); |
|
| 186 |
|
|
| 187 |
|
cleanup: |
| 188 |
|
mysql_free_result(rs2); |
| 189 |
|
mysql_free_result(rs); |
| 190 |
mysql_close(db); |
mysql_close(db); |
| 191 |
|
|
| 192 |
return ret; |
return ret; |
| 194 |
|
|
| 195 |
int append_articles_from_db(int32_t start_aid, int global_lock, int article_count_limit) |
int append_articles_from_db(int32_t start_aid, int global_lock, int article_count_limit) |
| 196 |
{ |
{ |
| 197 |
MYSQL *db; |
MYSQL *db = NULL; |
| 198 |
MYSQL_RES *rs; |
MYSQL_RES *rs = NULL; |
| 199 |
MYSQL_ROW row; |
MYSQL_ROW row; |
| 200 |
char sql[SQL_BUFFER_LEN]; |
char sql[SQL_BUFFER_LEN]; |
| 201 |
ARTICLE article; |
ARTICLE article; |
| 211 |
if (db == NULL) |
if (db == NULL) |
| 212 |
{ |
{ |
| 213 |
log_error("db_open() error: %s\n", mysql_error(db)); |
log_error("db_open() error: %s\n", mysql_error(db)); |
| 214 |
return -2; |
ret = -1; |
| 215 |
|
goto cleanup; |
| 216 |
} |
} |
| 217 |
|
|
| 218 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 226 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 227 |
{ |
{ |
| 228 |
log_error("Query article list error: %s\n", mysql_error(db)); |
log_error("Query article list error: %s\n", mysql_error(db)); |
| 229 |
return -3; |
ret = -2; |
| 230 |
|
goto cleanup; |
| 231 |
} |
} |
| 232 |
if ((rs = mysql_use_result(db)) == NULL) |
if ((rs = mysql_use_result(db)) == NULL) |
| 233 |
{ |
{ |
| 234 |
log_error("Get article list data failed\n"); |
log_error("Get article list data failed\n"); |
| 235 |
return -3; |
ret = -2; |
| 236 |
|
goto cleanup; |
| 237 |
} |
} |
| 238 |
|
|
| 239 |
// acquire global lock |
// acquire global lock |
| 240 |
if (global_lock) |
if (global_lock && (ret = section_list_rw_lock(NULL)) < 0) |
| 241 |
{ |
{ |
| 242 |
if ((ret = section_list_rw_lock(NULL)) < 0) |
log_error("section_list_rw_lock(sid = 0) error\n"); |
| 243 |
{ |
goto cleanup; |
|
log_error("section_list_rw_lock(sid = 0) error\n"); |
|
|
goto cleanup; |
|
|
} |
|
| 244 |
} |
} |
| 245 |
|
|
| 246 |
while ((row = mysql_fetch_row(rs))) |
while ((row = mysql_fetch_row(rs))) |
| 247 |
{ |
{ |
| 248 |
bzero(&article, sizeof(ARTICLE)); |
memset(&article, 0, sizeof(ARTICLE)); |
| 249 |
|
|
| 250 |
// copy data of article |
// copy data of article |
| 251 |
i = 0; |
i = 0; |
| 344 |
} |
} |
| 345 |
|
|
| 346 |
// release global lock |
// release global lock |
| 347 |
if (global_lock) |
if (global_lock && (ret = section_list_rw_unlock(NULL)) < 0) |
| 348 |
{ |
{ |
| 349 |
if ((ret = section_list_rw_unlock(NULL)) < 0) |
log_error("section_list_rw_unlock(sid=0) error\n"); |
|
{ |
|
|
log_error("section_list_rw_unlock(sid=0) error\n"); |
|
|
} |
|
| 350 |
} |
} |
| 351 |
|
|
| 352 |
cleanup: |
cleanup: |
| 353 |
mysql_free_result(rs); |
mysql_free_result(rs); |
|
|
|
| 354 |
mysql_close(db); |
mysql_close(db); |
| 355 |
|
|
| 356 |
|
article_cache_cleanup(); |
| 357 |
|
|
| 358 |
return (ret < 0 ? ret : article_count); |
return (ret < 0 ? ret : article_count); |
| 359 |
} |
} |
| 360 |
|
|
| 361 |
int set_last_article_op_log_from_db(void) |
int set_last_article_op_log_from_db(void) |
| 362 |
{ |
{ |
| 363 |
MYSQL *db; |
MYSQL *db = NULL; |
| 364 |
MYSQL_RES *rs; |
MYSQL_RES *rs = NULL; |
| 365 |
MYSQL_ROW row; |
MYSQL_ROW row; |
| 366 |
char sql[SQL_BUFFER_LEN]; |
char sql[SQL_BUFFER_LEN]; |
| 367 |
|
int ret = 0; |
| 368 |
|
|
| 369 |
db = db_open(); |
db = db_open(); |
| 370 |
if (db == NULL) |
if (db == NULL) |
| 371 |
{ |
{ |
| 372 |
log_error("db_open() error: %s\n", mysql_error(db)); |
log_error("db_open() error: %s\n", mysql_error(db)); |
| 373 |
return -1; |
ret = -1; |
| 374 |
|
goto cleanup; |
| 375 |
} |
} |
| 376 |
|
|
| 377 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 380 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 381 |
{ |
{ |
| 382 |
log_error("Query article op error: %s\n", mysql_error(db)); |
log_error("Query article op error: %s\n", mysql_error(db)); |
| 383 |
return -2; |
ret = -2; |
| 384 |
|
goto cleanup; |
| 385 |
} |
} |
| 386 |
if ((rs = mysql_store_result(db)) == NULL) |
if ((rs = mysql_store_result(db)) == NULL) |
| 387 |
{ |
{ |
| 388 |
log_error("Get article op data failed\n"); |
log_error("Get article op data failed\n"); |
| 389 |
return -2; |
ret = -2; |
| 390 |
|
goto cleanup; |
| 391 |
} |
} |
| 392 |
|
|
| 393 |
if ((row = mysql_fetch_row(rs))) |
if ((row = mysql_fetch_row(rs))) |
| 395 |
last_article_op_log_mid = atoi(row[0]); |
last_article_op_log_mid = atoi(row[0]); |
| 396 |
} |
} |
| 397 |
|
|
| 398 |
|
cleanup: |
| 399 |
mysql_free_result(rs); |
mysql_free_result(rs); |
|
|
|
| 400 |
mysql_close(db); |
mysql_close(db); |
| 401 |
|
|
| 402 |
return last_article_op_log_mid; |
return (ret < 0 ? ret : last_article_op_log_mid); |
| 403 |
} |
} |
| 404 |
|
|
| 405 |
int apply_article_op_log_from_db(int op_count_limit) |
int apply_article_op_log_from_db(int op_count_limit) |
| 406 |
{ |
{ |
| 407 |
MYSQL *db; |
MYSQL *db = NULL; |
| 408 |
MYSQL_RES *rs, *rs2; |
MYSQL_RES *rs = NULL, *rs2 = NULL; |
| 409 |
MYSQL_ROW row, row2; |
MYSQL_ROW row, row2; |
| 410 |
char sql[SQL_BUFFER_LEN]; |
char sql[SQL_BUFFER_LEN]; |
| 411 |
ARTICLE *p_article; |
ARTICLE *p_article; |
| 421 |
if (db == NULL) |
if (db == NULL) |
| 422 |
{ |
{ |
| 423 |
log_error("db_open() error: %s\n", mysql_error(db)); |
log_error("db_open() error: %s\n", mysql_error(db)); |
| 424 |
return -3; |
ret = -1; |
| 425 |
|
goto cleanup; |
| 426 |
} |
} |
| 427 |
|
|
| 428 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 434 |
if (mysql_query(db, sql) != 0) |
if (mysql_query(db, sql) != 0) |
| 435 |
{ |
{ |
| 436 |
log_error("Query article log error: %s\n", mysql_error(db)); |
log_error("Query article log error: %s\n", mysql_error(db)); |
| 437 |
return -3; |
ret = -2; |
| 438 |
|
goto cleanup; |
| 439 |
} |
} |
| 440 |
if ((rs = mysql_store_result(db)) == NULL) |
if ((rs = mysql_store_result(db)) == NULL) |
| 441 |
{ |
{ |
| 442 |
log_error("Get article log data failed\n"); |
log_error("Get article log data failed\n"); |
| 443 |
return -3; |
ret = -2; |
| 444 |
|
goto cleanup; |
| 445 |
} |
} |
| 446 |
|
|
| 447 |
while ((row = mysql_fetch_row(rs))) |
while ((row = mysql_fetch_row(rs))) |
| 553 |
ret = -4; |
ret = -4; |
| 554 |
} |
} |
| 555 |
mysql_free_result(rs2); |
mysql_free_result(rs2); |
| 556 |
|
rs2 = NULL; |
| 557 |
|
|
| 558 |
p_article->excerption = 0; // Set excerption = 0 implicitly in case of rare condition |
p_article->excerption = 0; // Set excerption = 0 implicitly in case of rare condition |
| 559 |
break; |
break; |
| 584 |
ret = -4; |
ret = -4; |
| 585 |
} |
} |
| 586 |
mysql_free_result(rs2); |
mysql_free_result(rs2); |
| 587 |
|
rs2 = NULL; |
| 588 |
|
|
| 589 |
if (sid_dest > 0 && sid_dest != p_article->sid) |
if (sid_dest > 0 && sid_dest != p_article->sid) |
| 590 |
{ |
{ |
| 621 |
p_article->excerption = 0; |
p_article->excerption = 0; |
| 622 |
break; |
break; |
| 623 |
case 'F': // Set article on top |
case 'F': // Set article on top |
|
p_article->ontop = 1; |
|
|
break; |
|
| 624 |
case 'V': // Unset article on top |
case 'V': // Unset article on top |
| 625 |
p_article->ontop = 0; |
p_article->ontop = (row[2][0] == 'F' ? 1 : 0); |
| 626 |
|
if (section_list_update_article_ontop(p_section, p_article) < 0) |
| 627 |
|
{ |
| 628 |
|
log_error("section_list_update_article_ontop(sid=%d, aid=%d) error\n", |
| 629 |
|
p_section->sid, p_article->aid); |
| 630 |
|
} |
| 631 |
break; |
break; |
| 632 |
case 'Z': // Set article as trnasship |
case 'Z': // Set article as trnasship |
| 633 |
p_article->transship = 1; |
p_article->transship = 1; |
| 657 |
} |
} |
| 658 |
} |
} |
| 659 |
|
|
| 660 |
|
cleanup: |
| 661 |
|
mysql_free_result(rs2); |
| 662 |
mysql_free_result(rs); |
mysql_free_result(rs); |
|
|
|
| 663 |
mysql_close(db); |
mysql_close(db); |
| 664 |
|
|
| 665 |
return (ret < 0 ? ret : op_count); |
return (ret < 0 ? ret : op_count); |
| 667 |
|
|
| 668 |
int section_list_loader_launch(void) |
int section_list_loader_launch(void) |
| 669 |
{ |
{ |
| 670 |
|
struct sigaction act = {0}; |
| 671 |
int pid; |
int pid; |
| 672 |
int ret; |
int ret; |
| 673 |
int32_t last_aid; |
int32_t last_aid; |
| 705 |
free(p_bbs_menu); |
free(p_bbs_menu); |
| 706 |
p_bbs_menu = NULL; |
p_bbs_menu = NULL; |
| 707 |
|
|
| 708 |
|
// Set signal handler |
| 709 |
|
act.sa_handler = SIG_DFL; |
| 710 |
|
if (sigaction(SIGCHLD, &act, NULL) == -1) |
| 711 |
|
{ |
| 712 |
|
log_error("set signal action of SIGCHLD error: %d\n", errno); |
| 713 |
|
} |
| 714 |
|
|
| 715 |
|
// Force reload to load gen_ex_menu |
| 716 |
|
SYS_section_list_reload = 1; |
| 717 |
|
|
| 718 |
// Do section data loader periodically |
// Do section data loader periodically |
| 719 |
while (!SYS_server_exit) |
while (!SYS_server_exit) |
| 720 |
{ |
{ |
| 723 |
SYS_section_list_reload = 0; |
SYS_section_list_reload = 0; |
| 724 |
|
|
| 725 |
// Load section config |
// Load section config |
| 726 |
if (load_section_config_from_db() < 0) |
if (load_section_config_from_db(1) < 0) |
| 727 |
{ |
{ |
| 728 |
log_error("load_section_config_from_db() error\n"); |
log_error("load_section_config_from_db() error\n"); |
| 729 |
} |
} |
| 730 |
else |
else |
| 731 |
{ |
{ |
| 732 |
log_error("Reload section config successfully\n"); |
log_common("Reload section config successfully\n"); |
| 733 |
} |
} |
| 734 |
} |
} |
| 735 |
|
|
| 796 |
|
|
| 797 |
// Child process exit |
// Child process exit |
| 798 |
|
|
| 799 |
|
article_cache_cleanup(); |
| 800 |
|
|
| 801 |
|
// gen_ex_menu cleanup |
| 802 |
|
section_list_ex_menu_set_cleanup(); |
| 803 |
|
|
| 804 |
// Detach data pools shm |
// Detach data pools shm |
| 805 |
detach_section_list_shm(); |
detach_section_list_shm(); |
| 806 |
detach_article_block_shm(); |
detach_article_block_shm(); |
| 833 |
return 0; |
return 0; |
| 834 |
} |
} |
| 835 |
|
|
| 836 |
int query_section_articles(SECTION_LIST *p_section, int page_id, ARTICLE *p_articles[], int *p_article_count, int *p_page_count) |
int query_section_articles(SECTION_LIST *p_section, int page_id, ARTICLE *p_articles[], |
| 837 |
|
int *p_article_count, int *p_page_count, int *p_ontop_start_offset) |
| 838 |
{ |
{ |
| 839 |
ARTICLE *p_article; |
ARTICLE *p_article; |
| 840 |
ARTICLE *p_next_page_first_article; |
ARTICLE *p_next_page_first_article; |
| 841 |
int ret = 0; |
int ret = 0; |
| 842 |
|
int i; |
| 843 |
|
|
| 844 |
if (p_section == NULL || p_articles == NULL || p_article_count == NULL || p_page_count == NULL) |
if (p_section == NULL || p_articles == NULL || p_article_count == NULL || p_page_count == NULL || p_ontop_start_offset == NULL) |
| 845 |
{ |
{ |
| 846 |
log_error("query_section_articles() NULL pointer error\n"); |
log_error("NULL pointer error\n"); |
| 847 |
return -1; |
return -1; |
| 848 |
} |
} |
| 849 |
|
|
| 854 |
return -2; |
return -2; |
| 855 |
} |
} |
| 856 |
|
|
| 857 |
*p_page_count = p_section->page_count; |
*p_page_count = section_list_page_count_with_ontop(p_section); |
| 858 |
|
*p_article_count = 0; |
| 859 |
|
*p_ontop_start_offset = BBS_article_limit_per_page; |
| 860 |
|
|
| 861 |
if (p_section->visible_article_count == 0) |
if (p_section->visible_article_count == 0) |
| 862 |
{ |
{ |
| 863 |
*p_article_count = 0; |
// empty section |
| 864 |
} |
} |
| 865 |
else if (page_id < 0 || page_id >= p_section->page_count) |
else if (page_id < 0 || page_id >= *p_page_count) |
| 866 |
{ |
{ |
| 867 |
log_error("Invalid page_id=%d, not in range [0, %d)\n", page_id, p_section->page_count); |
log_error("Invalid page_id=%d, not in range [0, %d)\n", page_id, *p_page_count); |
| 868 |
ret = -3; |
ret = -3; |
| 869 |
} |
} |
| 870 |
else |
else |
| 871 |
{ |
{ |
| 872 |
ret = page_id; |
ret = page_id; |
|
p_article = p_section->p_page_first_article[page_id]; |
|
|
p_next_page_first_article = |
|
|
(page_id == p_section->page_count - 1 ? p_section->p_article_head : p_section->p_page_first_article[page_id + 1]); |
|
|
*p_article_count = 0; |
|
| 873 |
|
|
| 874 |
do |
if (page_id <= p_section->page_count - 1) |
| 875 |
{ |
{ |
| 876 |
if (p_article->visible) |
p_article = p_section->p_page_first_article[page_id]; |
| 877 |
|
p_next_page_first_article = |
| 878 |
|
(page_id == p_section->page_count - 1 ? p_section->p_article_head : p_section->p_page_first_article[page_id + 1]); |
| 879 |
|
|
| 880 |
|
do |
| 881 |
|
{ |
| 882 |
|
if (p_article->visible) |
| 883 |
|
{ |
| 884 |
|
p_articles[*p_article_count] = p_article; |
| 885 |
|
(*p_article_count)++; |
| 886 |
|
} |
| 887 |
|
p_article = p_article->p_next; |
| 888 |
|
} while (p_article != p_next_page_first_article && (*p_article_count) <= BBS_article_limit_per_page); |
| 889 |
|
|
| 890 |
|
if (*p_article_count != (page_id < p_section->page_count - 1 ? BBS_article_limit_per_page : p_section->last_page_visible_article_count)) |
| 891 |
{ |
{ |
| 892 |
p_articles[*p_article_count] = p_article; |
log_error("Inconsistent visible article count %d detected in section %d page %d\n", *p_article_count, p_section->sid, page_id); |
|
(*p_article_count)++; |
|
| 893 |
} |
} |
| 894 |
p_article = p_article->p_next; |
} |
|
} while (p_article != p_next_page_first_article && (*p_article_count) <= BBS_article_limit_per_page); |
|
| 895 |
|
|
| 896 |
if (*p_article_count != (page_id < p_section->page_count - 1 ? BBS_article_limit_per_page : p_section->last_page_visible_article_count)) |
*p_ontop_start_offset = *p_article_count; |
| 897 |
|
|
| 898 |
|
// Append ontop articles |
| 899 |
|
if (page_id >= p_section->page_count - 1) |
| 900 |
{ |
{ |
| 901 |
log_error("Inconsistent visible article count %d detected in section %d page %d\n", *p_article_count, p_section->sid, page_id); |
i = (page_id == p_section->page_count - 1 |
| 902 |
|
? 0 |
| 903 |
|
: (page_id - p_section->page_count + 1) * BBS_article_limit_per_page - p_section->last_page_visible_article_count); |
| 904 |
|
while (*p_article_count < BBS_article_limit_per_page && i < p_section->ontop_article_count) |
| 905 |
|
{ |
| 906 |
|
p_articles[(*p_article_count)++] = p_section->p_ontop_articles[i++]; |
| 907 |
|
} |
| 908 |
} |
} |
| 909 |
} |
} |
| 910 |
|
|
| 918 |
return ret; |
return ret; |
| 919 |
} |
} |
| 920 |
|
|
| 921 |
int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, |
int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, int step, |
| 922 |
int *p_page_id, int *p_visible_offset, int *p_article_count) |
int *p_page_id, int *p_visible_offset, int *p_article_count) |
| 923 |
{ |
{ |
| 924 |
const ARTICLE *p_article = NULL; |
const ARTICLE *p_article = NULL; |
| 925 |
ARTICLE *p_tmp; |
ARTICLE *p_tmp; |
| 926 |
int32_t aid = 0; |
int32_t aid = 0; |
| 927 |
int page_id; |
int page_id = 0; |
| 928 |
int offset; |
int offset = 0; |
| 929 |
int ret = 0; |
int ret = 0; |
| 930 |
int i; |
int i; |
| 931 |
|
|
| 932 |
if (p_section == NULL || p_article_cur == NULL || p_page_id == NULL || p_visible_offset == NULL || p_article_count == NULL) |
if (p_section == NULL || p_article_cur == NULL || p_page_id == NULL || p_visible_offset == NULL || p_article_count == NULL) |
| 933 |
{ |
{ |
| 934 |
log_error("locate_article_in_section() NULL pointer error\n"); |
log_error("NULL pointer error\n"); |
| 935 |
return -1; |
return -1; |
| 936 |
} |
} |
| 937 |
|
|
| 948 |
} |
} |
| 949 |
else if (direction == 1) |
else if (direction == 1) |
| 950 |
{ |
{ |
| 951 |
p_article = p_article_cur; |
for (p_article = p_article_cur; step > 0 && p_article->p_topic_next->aid > p_article_cur->aid; p_article = p_article->p_topic_next) |
|
do |
|
| 952 |
{ |
{ |
| 953 |
p_article = p_article->p_topic_next; |
if (p_article->visible) |
| 954 |
} while (p_article != p_article_cur && p_article->visible == 0); |
{ |
| 955 |
|
step--; |
| 956 |
|
} |
| 957 |
|
} |
| 958 |
|
|
| 959 |
aid = (p_article->aid > p_article_cur->aid ? p_article->aid : 0); |
aid = (p_article->aid > p_article_cur->aid && p_article->visible ? p_article->aid : 0); |
| 960 |
} |
} |
| 961 |
else if (direction == -1) |
else if (direction == -1) |
| 962 |
{ |
{ |
| 963 |
p_article = p_article_cur; |
for (p_article = p_article_cur; step > 0 && p_article->p_topic_prior->aid < p_article_cur->aid; p_article = p_article->p_topic_prior) |
|
do |
|
| 964 |
{ |
{ |
| 965 |
p_article = p_article->p_topic_prior; |
if (p_article->visible) |
| 966 |
} while (p_article != p_article_cur && p_article->visible == 0); |
{ |
| 967 |
|
step--; |
| 968 |
|
} |
| 969 |
|
} |
| 970 |
|
|
| 971 |
aid = (p_article->aid < p_article_cur->aid ? p_article->aid : 0); |
aid = (p_article->aid < p_article_cur->aid && p_article->visible ? p_article->aid : 0); |
| 972 |
} |
} |
| 973 |
|
|
| 974 |
p_article = NULL; |
p_article = NULL; |
| 981 |
*p_article_count = (page_id == p_section->page_count - 1 ? p_section->last_page_visible_article_count : BBS_article_limit_per_page); |
*p_article_count = (page_id == p_section->page_count - 1 ? p_section->last_page_visible_article_count : BBS_article_limit_per_page); |
| 982 |
|
|
| 983 |
p_article = p_section->p_page_first_article[page_id]; |
p_article = p_section->p_page_first_article[page_id]; |
| 984 |
for (i = 0; i < *p_article_count;) |
for (i = 0; i < *p_article_count && p_article != NULL;) |
| 985 |
{ |
{ |
| 986 |
if (p_article->visible) |
if (p_article->visible) |
| 987 |
{ |
{ |
| 996 |
{ |
{ |
| 997 |
log_error("Visible article (aid=%d) not found in page %d\n", aid, page_id); |
log_error("Visible article (aid=%d) not found in page %d\n", aid, page_id); |
| 998 |
p_article = NULL; |
p_article = NULL; |
| 999 |
|
break; |
| 1000 |
} |
} |
| 1001 |
} |
} |
| 1002 |
p_article = p_article->p_next; |
p_article = p_article->p_next; |
| 1003 |
} |
} |
| 1004 |
|
|
| 1005 |
|
// Include ontop articles |
| 1006 |
|
*p_article_count = section_list_page_article_count_with_ontop(p_section, page_id); |
| 1007 |
} |
} |
| 1008 |
} |
} |
| 1009 |
|
|
| 1016 |
|
|
| 1017 |
return (ret < 0 ? ret : (p_article == NULL ? 0 : 1)); |
return (ret < 0 ? ret : (p_article == NULL ? 0 : 1)); |
| 1018 |
} |
} |
| 1019 |
|
|
| 1020 |
|
int get_section_ex_menu_set(SECTION_LIST *p_section, MENU_SET *p_ex_menu_set) |
| 1021 |
|
{ |
| 1022 |
|
int ret = 0; |
| 1023 |
|
|
| 1024 |
|
if (p_section == NULL || p_ex_menu_set == NULL) |
| 1025 |
|
{ |
| 1026 |
|
log_error("NULL pointer error\n"); |
| 1027 |
|
return -1; |
| 1028 |
|
} |
| 1029 |
|
|
| 1030 |
|
// acquire lock of section |
| 1031 |
|
if ((ret = section_list_rd_lock(p_section)) < 0) |
| 1032 |
|
{ |
| 1033 |
|
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid); |
| 1034 |
|
return -2; |
| 1035 |
|
} |
| 1036 |
|
|
| 1037 |
|
memcpy(p_ex_menu_set, &(p_section->ex_menu_set), sizeof(p_section->ex_menu_set)); |
| 1038 |
|
|
| 1039 |
|
// release lock of section |
| 1040 |
|
if (section_list_rd_unlock(p_section) < 0) |
| 1041 |
|
{ |
| 1042 |
|
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid); |
| 1043 |
|
ret = -2; |
| 1044 |
|
} |
| 1045 |
|
|
| 1046 |
|
return ret; |
| 1047 |
|
} |