| 14 |
* * |
* * |
| 15 |
***************************************************************************/ |
***************************************************************************/ |
| 16 |
|
|
| 17 |
|
#define _POSIX_C_SOURCE 200809L |
| 18 |
|
|
| 19 |
#include "section_list_loader.h" |
#include "section_list_loader.h" |
| 20 |
#include "article_cache.h" |
#include "article_cache.h" |
| 21 |
|
#include "bbs.h" |
| 22 |
#include "log.h" |
#include "log.h" |
| 23 |
#include "database.h" |
#include "database.h" |
| 24 |
#include "menu.h" |
#include "menu.h" |
| 27 |
#include <errno.h> |
#include <errno.h> |
| 28 |
#include <signal.h> |
#include <signal.h> |
| 29 |
#include <stdlib.h> |
#include <stdlib.h> |
| 30 |
|
#include <string.h> |
| 31 |
#include <strings.h> |
#include <strings.h> |
| 32 |
#include <unistd.h> |
#include <unistd.h> |
| 33 |
|
|
|
#define _POSIX_C_SOURCE 200809L |
|
|
#include <string.h> |
|
|
|
|
|
#define SECTION_LIST_LOAD_INTERVAL 10 // second |
|
|
|
|
| 34 |
int section_list_loader_pid; |
int section_list_loader_pid; |
| 35 |
int last_article_op_log_mid; |
int last_article_op_log_mid; |
| 36 |
|
|
| 168 |
ARTICLE *p_topic; |
ARTICLE *p_topic; |
| 169 |
SECTION_LIST *p_section = NULL; |
SECTION_LIST *p_section = NULL; |
| 170 |
int32_t last_sid = 0; |
int32_t last_sid = 0; |
| 171 |
|
char sub_ip[IP_ADDR_LEN]; |
| 172 |
int article_count = 0; |
int article_count = 0; |
| 173 |
int ret = 0; |
int ret = 0; |
| 174 |
int i; |
int i; |
| 183 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 184 |
"SELECT bbs.AID, TID, SID, bbs.CID, UID, visible, excerption, ontop, `lock`, " |
"SELECT bbs.AID, TID, SID, bbs.CID, UID, visible, excerption, ontop, `lock`, " |
| 185 |
"transship, username, nickname, title, UNIX_TIMESTAMP(sub_dt) AS sub_dt, " |
"transship, username, nickname, title, UNIX_TIMESTAMP(sub_dt) AS sub_dt, " |
| 186 |
"bbs_content.content " |
"sub_ip, bbs_content.content " |
| 187 |
"FROM bbs INNER JOIN bbs_content ON bbs.CID = bbs_content.CID " |
"FROM bbs INNER JOIN bbs_content ON bbs.CID = bbs_content.CID " |
| 188 |
"WHERE bbs.AID >= %d ORDER BY bbs.AID LIMIT %d", |
"WHERE bbs.AID >= %d ORDER BY bbs.AID LIMIT %d", |
| 189 |
start_aid, article_count_limit); |
start_aid, article_count_limit); |
| 211 |
|
|
| 212 |
while ((row = mysql_fetch_row(rs))) |
while ((row = mysql_fetch_row(rs))) |
| 213 |
{ |
{ |
| 214 |
bzero(&article, sizeof(ARTICLE)); |
memset(&article, 0, sizeof(ARTICLE)); |
| 215 |
|
|
| 216 |
// copy data of article |
// copy data of article |
| 217 |
i = 0; |
i = 0; |
| 236 |
|
|
| 237 |
article.sub_dt = atol(row[i++]); |
article.sub_dt = atol(row[i++]); |
| 238 |
|
|
| 239 |
|
strncpy(sub_ip, row[i++], sizeof(sub_ip) - 1); |
| 240 |
|
sub_ip[sizeof(sub_ip) - 1] = '\0'; |
| 241 |
|
ip_mask(sub_ip, 1, '*'); |
| 242 |
|
|
| 243 |
// release lock of last section if different from current one |
// release lock of last section if different from current one |
| 244 |
if (!global_lock && article.sid != last_sid && last_sid != 0) |
if (!global_lock && article.sid != last_sid && last_sid != 0) |
| 245 |
{ |
{ |
| 292 |
|
|
| 293 |
article_count++; |
article_count++; |
| 294 |
|
|
| 295 |
if (article_cache_generate(VAR_ARTICLE_CACHE_DIR, &article, row[i++]) < 0) |
if (article_cache_generate(VAR_ARTICLE_CACHE_DIR, &article, p_section, row[i++], sub_ip, 0) < 0) |
| 296 |
{ |
{ |
| 297 |
log_error("article_cache_generate(aid=%d, cid=%d) error\n", article.aid, article.cid); |
log_error("article_cache_generate(aid=%d, cid=%d) error\n", article.aid, article.cid); |
| 298 |
ret = -4; |
ret = -4; |
| 375 |
ARTICLE *p_article; |
ARTICLE *p_article; |
| 376 |
SECTION_LIST *p_section = NULL; |
SECTION_LIST *p_section = NULL; |
| 377 |
SECTION_LIST *p_section_dest; |
SECTION_LIST *p_section_dest; |
| 378 |
|
char sub_ip[IP_ADDR_LEN]; |
| 379 |
int32_t last_sid = 0; |
int32_t last_sid = 0; |
| 380 |
int32_t sid_dest; |
int32_t sid_dest; |
| 381 |
int op_count = 0; |
int op_count = 0; |
| 450 |
break; |
break; |
| 451 |
case 'D': // Delete article |
case 'D': // Delete article |
| 452 |
case 'X': // Delete article by Admin |
case 'X': // Delete article by Admin |
| 453 |
p_article->visible = 0; |
if (section_list_set_article_visible(p_section, atoi(row[1]), 0) < 0) |
|
if (p_article->tid == 0) |
|
| 454 |
{ |
{ |
| 455 |
// Set articles in the topic to be invisible |
log_error("section_list_set_article_visible(sid=%d, aid=%d, visible=0) error\n", p_section->sid, atoi(row[1])); |
| 456 |
do |
} |
| 457 |
{ |
if (section_list_calculate_page(p_section, atoi(row[1])) < 0) |
| 458 |
p_article = p_article->p_topic_next; |
{ |
| 459 |
p_article->visible = 0; |
log_error("section_list_calculate_page(aid=%d) error\n", atoi(row[1])); |
|
} while (p_article->tid != 0); |
|
| 460 |
} |
} |
| 461 |
break; |
break; |
| 462 |
case 'S': // Restore article |
case 'S': // Restore article |
| 463 |
p_article->visible = 1; |
if (section_list_set_article_visible(p_section, atoi(row[1]), 1) < 0) |
| 464 |
|
{ |
| 465 |
|
log_error("section_list_set_article_visible(sid=%d, aid=%d, visible=1) error\n", p_section->sid, atoi(row[1])); |
| 466 |
|
} |
| 467 |
|
if (section_list_calculate_page(p_section, atoi(row[1])) < 0) |
| 468 |
|
{ |
| 469 |
|
log_error("section_list_calculate_page(aid=%d) error\n", atoi(row[1])); |
| 470 |
|
} |
| 471 |
break; |
break; |
| 472 |
case 'L': // Lock article |
case 'L': // Lock article |
| 473 |
p_article->lock = 1; |
p_article->lock = 1; |
| 477 |
break; |
break; |
| 478 |
case 'M': // Modify article |
case 'M': // Modify article |
| 479 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 480 |
"SELECT bbs.CID, bbs_content.content " |
"SELECT bbs.CID, sub_ip, bbs_content.content " |
| 481 |
"FROM bbs INNER JOIN bbs_content ON bbs.CID = bbs_content.CID " |
"FROM bbs INNER JOIN bbs_content ON bbs.CID = bbs_content.CID " |
| 482 |
"WHERE bbs.AID = %d", |
"WHERE bbs.AID = %d", |
| 483 |
p_article->aid); |
p_article->aid); |
| 488 |
ret = -3; |
ret = -3; |
| 489 |
break; |
break; |
| 490 |
} |
} |
| 491 |
if ((rs2 = mysql_store_result(db)) == NULL) |
if ((rs2 = mysql_use_result(db)) == NULL) |
| 492 |
{ |
{ |
| 493 |
log_error("Get article data failed\n"); |
log_error("Get article data failed\n"); |
| 494 |
ret = -3; |
ret = -3; |
| 498 |
{ |
{ |
| 499 |
p_article->cid = atoi(row2[0]); |
p_article->cid = atoi(row2[0]); |
| 500 |
|
|
| 501 |
if (article_cache_generate(VAR_ARTICLE_CACHE_DIR, p_article, row2[1]) < 0) |
strncpy(sub_ip, row2[1], sizeof(sub_ip) - 1); |
| 502 |
|
sub_ip[sizeof(sub_ip) - 1] = '\0'; |
| 503 |
|
ip_mask(sub_ip, 1, '*'); |
| 504 |
|
|
| 505 |
|
if (article_cache_generate(VAR_ARTICLE_CACHE_DIR, p_article, p_section, row2[2], sub_ip, 0) < 0) |
| 506 |
{ |
{ |
| 507 |
log_error("article_cache_generate(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid); |
log_error("article_cache_generate(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid); |
| 508 |
ret = -4; |
ret = -4; |
| 514 |
ret = -4; |
ret = -4; |
| 515 |
} |
} |
| 516 |
mysql_free_result(rs2); |
mysql_free_result(rs2); |
| 517 |
|
|
| 518 |
|
p_article->excerption = 0; // Set excerption = 0 implicitly in case of rare condition |
| 519 |
break; |
break; |
| 520 |
case 'T': // Move article |
case 'T': // Move article |
| 521 |
snprintf(sql, sizeof(sql), |
snprintf(sql, sizeof(sql), |
| 642 |
{ |
{ |
| 643 |
SYS_child_process_count++; |
SYS_child_process_count++; |
| 644 |
section_list_loader_pid = pid; |
section_list_loader_pid = pid; |
| 645 |
log_std("Section list loader process (%d) start\n", pid); |
log_common("Section list loader process (pid = %d) start\n", pid); |
| 646 |
return 0; |
return 0; |
| 647 |
} |
} |
| 648 |
else if (pid < 0) // Error |
else if (pid < 0) // Error |
| 698 |
load_count = article_block_article_count() - article_count; |
load_count = article_block_article_count() - article_count; |
| 699 |
if (load_count > 0) |
if (load_count > 0) |
| 700 |
{ |
{ |
| 701 |
log_std("Incrementally load %d articles, last_aid = %d\n", load_count, article_block_last_aid()); |
log_common("Incrementally load %d articles, last_aid = %d\n", load_count, article_block_last_aid()); |
| 702 |
} |
} |
| 703 |
|
|
| 704 |
if (SYS_section_list_reload) |
if (SYS_section_list_reload) |
| 724 |
|
|
| 725 |
if (last_article_op_log_mid > last_mid) |
if (last_article_op_log_mid > last_mid) |
| 726 |
{ |
{ |
| 727 |
log_std("Proceeded %d article logs, last_mid = %d\n", last_article_op_log_mid - last_mid, last_article_op_log_mid); |
log_common("Proceeded %d article logs, last_mid = %d\n", last_article_op_log_mid - last_mid, last_article_op_log_mid); |
| 728 |
} |
} |
| 729 |
|
|
| 730 |
if (SYS_section_list_reload) |
if (SYS_section_list_reload) |
| 732 |
continue; |
continue; |
| 733 |
} |
} |
| 734 |
|
|
| 735 |
for (i = 0; i < SECTION_LIST_LOAD_INTERVAL && !SYS_server_exit && !SYS_section_list_reload; i++) |
for (i = 0; i < BBS_section_list_load_interval && !SYS_server_exit && !SYS_section_list_reload; i++) |
| 736 |
{ |
{ |
| 737 |
sleep(1); |
sleep(1); |
| 738 |
} |
} |
| 745 |
detach_article_block_shm(); |
detach_article_block_shm(); |
| 746 |
detach_trie_dict_shm(); |
detach_trie_dict_shm(); |
| 747 |
|
|
| 748 |
log_std("Section list loader process exit normally\n"); |
log_common("Section list loader process exit normally\n"); |
| 749 |
log_end(); |
log_end(); |
| 750 |
|
|
| 751 |
section_list_loader_pid = 0; |
section_list_loader_pid = 0; |
| 835 |
|
|
| 836 |
return ret; |
return ret; |
| 837 |
} |
} |
| 838 |
|
|
| 839 |
|
int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, |
| 840 |
|
int *p_page_id, int *p_visible_offset, int *p_article_count) |
| 841 |
|
{ |
| 842 |
|
const ARTICLE *p_article = NULL; |
| 843 |
|
ARTICLE *p_tmp; |
| 844 |
|
int32_t aid = 0; |
| 845 |
|
int page_id; |
| 846 |
|
int offset; |
| 847 |
|
int ret = 0; |
| 848 |
|
int i; |
| 849 |
|
|
| 850 |
|
if (p_section == NULL || p_article_cur == NULL || p_page_id == NULL || p_visible_offset == NULL || p_article_count == NULL) |
| 851 |
|
{ |
| 852 |
|
log_error("locate_article_in_section() NULL pointer error\n"); |
| 853 |
|
return -1; |
| 854 |
|
} |
| 855 |
|
|
| 856 |
|
// acquire lock of section |
| 857 |
|
if ((ret = section_list_rd_lock(p_section)) < 0) |
| 858 |
|
{ |
| 859 |
|
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid); |
| 860 |
|
return -2; |
| 861 |
|
} |
| 862 |
|
|
| 863 |
|
if (direction == 0) |
| 864 |
|
{ |
| 865 |
|
aid = p_article_cur->aid; |
| 866 |
|
} |
| 867 |
|
else if (direction == 1) |
| 868 |
|
{ |
| 869 |
|
p_article = p_article_cur; |
| 870 |
|
do |
| 871 |
|
{ |
| 872 |
|
p_article = p_article->p_topic_next; |
| 873 |
|
} while (p_article != p_article_cur && p_article->visible == 0); |
| 874 |
|
|
| 875 |
|
aid = (p_article->aid > p_article_cur->aid ? p_article->aid : 0); |
| 876 |
|
} |
| 877 |
|
else if (direction == -1) |
| 878 |
|
{ |
| 879 |
|
p_article = p_article_cur; |
| 880 |
|
do |
| 881 |
|
{ |
| 882 |
|
p_article = p_article->p_topic_prior; |
| 883 |
|
} while (p_article != p_article_cur && p_article->visible == 0); |
| 884 |
|
|
| 885 |
|
aid = (p_article->aid < p_article_cur->aid ? p_article->aid : 0); |
| 886 |
|
} |
| 887 |
|
|
| 888 |
|
p_article = NULL; |
| 889 |
|
|
| 890 |
|
if (aid > 0) |
| 891 |
|
{ |
| 892 |
|
p_article = section_list_find_article_with_offset(p_section, aid, &page_id, &offset, &p_tmp); |
| 893 |
|
if (p_article != NULL) |
| 894 |
|
{ |
| 895 |
|
*p_article_count = (page_id == p_section->page_count - 1 ? p_section->last_page_visible_article_count : BBS_article_limit_per_page); |
| 896 |
|
|
| 897 |
|
p_article = p_section->p_page_first_article[page_id]; |
| 898 |
|
for (i = 0; i < *p_article_count;) |
| 899 |
|
{ |
| 900 |
|
if (p_article->visible) |
| 901 |
|
{ |
| 902 |
|
if (p_article->aid == aid) |
| 903 |
|
{ |
| 904 |
|
*p_page_id = page_id; |
| 905 |
|
*p_visible_offset = i; |
| 906 |
|
break; |
| 907 |
|
} |
| 908 |
|
i++; |
| 909 |
|
if (i >= *p_article_count) |
| 910 |
|
{ |
| 911 |
|
log_error("Visible article (aid=%d) not found in page %d\n", aid, page_id); |
| 912 |
|
p_article = NULL; |
| 913 |
|
} |
| 914 |
|
} |
| 915 |
|
p_article = p_article->p_next; |
| 916 |
|
} |
| 917 |
|
} |
| 918 |
|
} |
| 919 |
|
|
| 920 |
|
// release lock of section |
| 921 |
|
if (section_list_rd_unlock(p_section) < 0) |
| 922 |
|
{ |
| 923 |
|
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid); |
| 924 |
|
ret = -2; |
| 925 |
|
} |
| 926 |
|
|
| 927 |
|
return (ret < 0 ? ret : (p_article == NULL ? 0 : 1)); |
| 928 |
|
} |