| 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> |
| 27 |
#include <string.h> |
#include <string.h> |
|
#include <strings.h> |
|
| 28 |
#include <unistd.h> |
#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 = NULL; |
MYSQL *db = NULL; |
| 36 |
MYSQL_RES *rs = NULL, *rs2 = NULL; |
MYSQL_RES *rs = NULL, *rs2 = NULL; |
| 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 |
|
char ex_menu_conf[FILE_PATH_LEN]; |
| 43 |
|
MENU_SET ex_menu_set_new; |
| 44 |
int ret = 0; |
int ret = 0; |
| 45 |
|
|
| 46 |
db = db_open(); |
db = db_open(); |
| 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 |
|
|
| 134 |
break; |
break; |
| 135 |
} |
} |
| 136 |
|
|
| 137 |
strncpy(p_section->sname, row[0], sizeof(p_section->sname) - 1); |
strncpy(p_section->sname, row[1], 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[2], sizeof(p_section->stitle) - 1); |
| 140 |
p_section->stitle[sizeof(p_section->stitle) - 1] = '\0'; |
p_section->stitle[sizeof(p_section->stitle) - 1] = '\0'; |
| 141 |
strncpy(p_section->master_list, master_list, sizeof(p_section->master_list) - 1); |
strncpy(p_section->master_list, master_list, sizeof(p_section->master_list) - 1); |
| 142 |
p_section->master_list[sizeof(p_section->master_list) - 1] = '\0'; |
p_section->master_list[sizeof(p_section->master_list) - 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 |
|
unload_menu(&ex_menu_set_new); |
| 159 |
|
log_error("load_menu(%s) error: %d\n", ex_menu_conf, ret); |
| 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 |
|
|
| 171 |
|
p_section->ex_menu_tm = atol(row[7]); |
| 172 |
|
#ifdef _DEBUG |
| 173 |
|
log_common("Loaded gen_ex_menu of section %d [%s]\n", p_section->sid, p_section->sname); |
| 174 |
|
#endif |
| 175 |
|
} |
| 176 |
|
} |
| 177 |
|
|
| 178 |
// release rw lock |
// release rw lock |
| 179 |
ret = section_list_rw_unlock(p_section); |
ret = section_list_rw_unlock(p_section); |
| 180 |
if (ret < 0) |
if (ret < 0) |
| 184 |
} |
} |
| 185 |
|
|
| 186 |
cleanup: |
cleanup: |
| 187 |
|
mysql_free_result(rs2); |
| 188 |
mysql_free_result(rs); |
mysql_free_result(rs); |
| 189 |
mysql_close(db); |
mysql_close(db); |
| 190 |
|
|
| 352 |
mysql_free_result(rs); |
mysql_free_result(rs); |
| 353 |
mysql_close(db); |
mysql_close(db); |
| 354 |
|
|
| 355 |
|
article_cache_cleanup(); |
| 356 |
|
|
| 357 |
return (ret < 0 ? ret : article_count); |
return (ret < 0 ? ret : article_count); |
| 358 |
} |
} |
| 359 |
|
|
| 620 |
p_article->excerption = 0; |
p_article->excerption = 0; |
| 621 |
break; |
break; |
| 622 |
case 'F': // Set article on top |
case 'F': // Set article on top |
|
p_article->ontop = 1; |
|
|
break; |
|
| 623 |
case 'V': // Unset article on top |
case 'V': // Unset article on top |
| 624 |
p_article->ontop = 0; |
p_article->ontop = (row[2][0] == 'F' ? 1 : 0); |
| 625 |
|
if (section_list_update_article_ontop(p_section, p_article) < 0) |
| 626 |
|
{ |
| 627 |
|
log_error("section_list_update_article_ontop(sid=%d, aid=%d) error\n", |
| 628 |
|
p_section->sid, p_article->aid); |
| 629 |
|
} |
| 630 |
break; |
break; |
| 631 |
case 'Z': // Set article as trnasship |
case 'Z': // Set article as trnasship |
| 632 |
p_article->transship = 1; |
p_article->transship = 1; |
| 666 |
|
|
| 667 |
int section_list_loader_launch(void) |
int section_list_loader_launch(void) |
| 668 |
{ |
{ |
| 669 |
|
struct sigaction act = {0}; |
| 670 |
int pid; |
int pid; |
| 671 |
int ret; |
int ret; |
| 672 |
int32_t last_aid; |
int32_t last_aid; |
| 700 |
SYS_child_process_count = 0; |
SYS_child_process_count = 0; |
| 701 |
|
|
| 702 |
// Detach menu in shared memory |
// Detach menu in shared memory |
| 703 |
detach_menu_shm(p_bbs_menu); |
detach_menu_shm(&bbs_menu); |
| 704 |
free(p_bbs_menu); |
|
| 705 |
p_bbs_menu = NULL; |
// Set signal handler |
| 706 |
|
act.sa_handler = SIG_DFL; |
| 707 |
|
if (sigaction(SIGCHLD, &act, NULL) == -1) |
| 708 |
|
{ |
| 709 |
|
log_error("set signal action of SIGCHLD error: %d\n", errno); |
| 710 |
|
} |
| 711 |
|
|
| 712 |
|
// Force reload to load gen_ex_menu |
| 713 |
|
SYS_section_list_reload = 1; |
| 714 |
|
|
| 715 |
// Do section data loader periodically |
// Do section data loader periodically |
| 716 |
while (!SYS_server_exit) |
while (!SYS_server_exit) |
| 720 |
SYS_section_list_reload = 0; |
SYS_section_list_reload = 0; |
| 721 |
|
|
| 722 |
// Load section config |
// Load section config |
| 723 |
if (load_section_config_from_db() < 0) |
if (load_section_config_from_db(1) < 0) |
| 724 |
{ |
{ |
| 725 |
log_error("load_section_config_from_db() error\n"); |
log_error("load_section_config_from_db() error\n"); |
| 726 |
} |
} |
| 793 |
|
|
| 794 |
// Child process exit |
// Child process exit |
| 795 |
|
|
| 796 |
|
article_cache_cleanup(); |
| 797 |
|
|
| 798 |
|
// gen_ex_menu cleanup |
| 799 |
|
section_list_ex_menu_set_cleanup(); |
| 800 |
|
|
| 801 |
// Detach data pools shm |
// Detach data pools shm |
| 802 |
detach_section_list_shm(); |
detach_section_list_shm(); |
| 803 |
detach_article_block_shm(); |
detach_article_block_shm(); |
| 830 |
return 0; |
return 0; |
| 831 |
} |
} |
| 832 |
|
|
| 833 |
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[], |
| 834 |
|
int *p_article_count, int *p_page_count, int *p_ontop_start_offset) |
| 835 |
{ |
{ |
| 836 |
ARTICLE *p_article; |
ARTICLE *p_article; |
| 837 |
ARTICLE *p_next_page_first_article; |
ARTICLE *p_next_page_first_article; |
| 838 |
int ret = 0; |
int ret = 0; |
| 839 |
|
int i; |
| 840 |
|
|
| 841 |
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) |
| 842 |
{ |
{ |
| 843 |
log_error("query_section_articles() NULL pointer error\n"); |
log_error("NULL pointer error\n"); |
| 844 |
return -1; |
return -1; |
| 845 |
} |
} |
| 846 |
|
|
| 851 |
return -2; |
return -2; |
| 852 |
} |
} |
| 853 |
|
|
| 854 |
*p_page_count = p_section->page_count; |
*p_page_count = section_list_page_count_with_ontop(p_section); |
| 855 |
|
*p_article_count = 0; |
| 856 |
|
*p_ontop_start_offset = BBS_article_limit_per_page; |
| 857 |
|
|
| 858 |
if (p_section->visible_article_count == 0) |
if (p_section->visible_article_count == 0) |
| 859 |
{ |
{ |
| 860 |
*p_article_count = 0; |
// empty section |
| 861 |
} |
} |
| 862 |
else if (page_id < 0 || page_id >= p_section->page_count) |
else if (page_id < 0 || page_id >= *p_page_count) |
| 863 |
{ |
{ |
| 864 |
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); |
| 865 |
ret = -3; |
ret = -3; |
| 866 |
} |
} |
| 867 |
else |
else |
| 868 |
{ |
{ |
| 869 |
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; |
|
| 870 |
|
|
| 871 |
do |
if (page_id <= p_section->page_count - 1) |
| 872 |
{ |
{ |
| 873 |
if (p_article->visible) |
p_article = p_section->p_page_first_article[page_id]; |
| 874 |
|
p_next_page_first_article = |
| 875 |
|
(page_id == p_section->page_count - 1 ? p_section->p_article_head : p_section->p_page_first_article[page_id + 1]); |
| 876 |
|
|
| 877 |
|
do |
| 878 |
{ |
{ |
| 879 |
p_articles[*p_article_count] = p_article; |
if (p_article->visible) |
| 880 |
(*p_article_count)++; |
{ |
| 881 |
|
p_articles[*p_article_count] = p_article; |
| 882 |
|
(*p_article_count)++; |
| 883 |
|
} |
| 884 |
|
p_article = p_article->p_next; |
| 885 |
|
} while (p_article != p_next_page_first_article && (*p_article_count) <= BBS_article_limit_per_page); |
| 886 |
|
|
| 887 |
|
if (*p_article_count != (page_id < p_section->page_count - 1 ? BBS_article_limit_per_page : p_section->last_page_visible_article_count)) |
| 888 |
|
{ |
| 889 |
|
log_error("Inconsistent visible article count %d detected in section %d page %d\n", *p_article_count, p_section->sid, page_id); |
| 890 |
} |
} |
| 891 |
p_article = p_article->p_next; |
} |
|
} while (p_article != p_next_page_first_article && (*p_article_count) <= BBS_article_limit_per_page); |
|
| 892 |
|
|
| 893 |
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; |
| 894 |
|
|
| 895 |
|
// Append ontop articles |
| 896 |
|
if (page_id >= p_section->page_count - 1) |
| 897 |
{ |
{ |
| 898 |
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 |
| 899 |
|
? 0 |
| 900 |
|
: (page_id - p_section->page_count + 1) * BBS_article_limit_per_page - p_section->last_page_visible_article_count); |
| 901 |
|
while (*p_article_count < BBS_article_limit_per_page && i < p_section->ontop_article_count) |
| 902 |
|
{ |
| 903 |
|
p_articles[(*p_article_count)++] = p_section->p_ontop_articles[i++]; |
| 904 |
|
} |
| 905 |
} |
} |
| 906 |
} |
} |
| 907 |
|
|
| 928 |
|
|
| 929 |
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) |
| 930 |
{ |
{ |
| 931 |
log_error("locate_article_in_section() NULL pointer error\n"); |
log_error("NULL pointer error\n"); |
| 932 |
return -1; |
return -1; |
| 933 |
} |
} |
| 934 |
|
|
| 998 |
} |
} |
| 999 |
p_article = p_article->p_next; |
p_article = p_article->p_next; |
| 1000 |
} |
} |
| 1001 |
|
|
| 1002 |
|
// Include ontop articles |
| 1003 |
|
*p_article_count = section_list_page_article_count_with_ontop(p_section, page_id); |
| 1004 |
} |
} |
| 1005 |
} |
} |
| 1006 |
|
|
| 1013 |
|
|
| 1014 |
return (ret < 0 ? ret : (p_article == NULL ? 0 : 1)); |
return (ret < 0 ? ret : (p_article == NULL ? 0 : 1)); |
| 1015 |
} |
} |
| 1016 |
|
|
| 1017 |
|
int get_section_ex_menu_set(SECTION_LIST *p_section, MENU_SET *p_ex_menu_set) |
| 1018 |
|
{ |
| 1019 |
|
int ret = 0; |
| 1020 |
|
|
| 1021 |
|
if (p_section == NULL || p_ex_menu_set == NULL) |
| 1022 |
|
{ |
| 1023 |
|
log_error("NULL pointer error\n"); |
| 1024 |
|
return -1; |
| 1025 |
|
} |
| 1026 |
|
|
| 1027 |
|
// acquire lock of section |
| 1028 |
|
if ((ret = section_list_rd_lock(p_section)) < 0) |
| 1029 |
|
{ |
| 1030 |
|
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid); |
| 1031 |
|
return -2; |
| 1032 |
|
} |
| 1033 |
|
|
| 1034 |
|
memcpy(p_ex_menu_set, &(p_section->ex_menu_set), sizeof(p_section->ex_menu_set)); |
| 1035 |
|
|
| 1036 |
|
// release lock of section |
| 1037 |
|
if (section_list_rd_unlock(p_section) < 0) |
| 1038 |
|
{ |
| 1039 |
|
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid); |
| 1040 |
|
ret = -2; |
| 1041 |
|
} |
| 1042 |
|
|
| 1043 |
|
return ret; |
| 1044 |
|
} |