| 1 |
/***************************************************************************
|
| 2 |
section_list_loader.c - description
|
| 3 |
-------------------
|
| 4 |
Copyright : (C) 2004-2025 by Leaflet
|
| 5 |
Email : leaflet@leafok.com
|
| 6 |
***************************************************************************/
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| 7 |
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| 8 |
/***************************************************************************
|
| 9 |
* *
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| 10 |
* This program is free software; you can redistribute it and/or modify *
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| 11 |
* it under the terms of the GNU General Public License as published by *
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| 12 |
* the Free Software Foundation; either version 3 of the License, or *
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| 13 |
* (at your option) any later version. *
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* *
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***************************************************************************/
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| 17 |
#include "article_cache.h"
|
| 18 |
#include "article_view_log.h"
|
| 19 |
#include "bbs.h"
|
| 20 |
#include "database.h"
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| 21 |
#include "ip_mask.h"
|
| 22 |
#include "log.h"
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| 23 |
#include "menu.h"
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| 24 |
#include "section_list_loader.h"
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| 25 |
#include "user_priv.h"
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| 26 |
#include <errno.h>
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| 27 |
#include <signal.h>
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| 28 |
#include <stdio.h>
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| 29 |
#include <stdlib.h>
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| 30 |
#include <string.h>
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| 31 |
#include <unistd.h>
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| 32 |
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| 33 |
int section_list_loader_pid;
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| 34 |
int last_article_op_log_mid;
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| 35 |
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| 36 |
int load_section_config_from_db(int update_gen_ex)
|
| 37 |
{
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| 38 |
MYSQL *db = NULL;
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| 39 |
MYSQL_RES *rs = NULL, *rs2 = NULL;
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| 40 |
MYSQL_ROW row, row2;
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| 41 |
char sql[SQL_BUFFER_LEN];
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| 42 |
int32_t sid;
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char master_list[(BBS_username_max_len + 1) * 3 + 1];
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SECTION_LIST *p_section;
|
| 45 |
char ex_menu_conf[FILE_PATH_LEN];
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| 46 |
MENU_SET ex_menu_set_new;
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| 47 |
int ret = 0;
|
| 48 |
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| 49 |
db = db_open();
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| 50 |
if (db == NULL)
|
| 51 |
{
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| 52 |
log_error("db_open() error: %s\n", mysql_error(db));
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ret = -1;
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| 54 |
goto cleanup;
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| 55 |
}
|
| 56 |
|
| 57 |
snprintf(sql, sizeof(sql),
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| 58 |
"SELECT section_config.SID, sname, section_config.title, section_config.CID, "
|
| 59 |
"read_user_level, write_user_level, section_config.enable * section_class.enable AS enable, "
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| 60 |
"UNIX_TIMESTAMP(ex_menu_tm) AS ex_menu_tm "
|
| 61 |
"FROM section_config INNER JOIN section_class ON section_config.CID = section_class.CID "
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| 62 |
"ORDER BY section_config.SID");
|
| 63 |
|
| 64 |
if (mysql_query(db, sql) != 0)
|
| 65 |
{
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log_error("Query section_list error: %s\n", mysql_error(db));
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| 67 |
ret = -2;
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| 68 |
goto cleanup;
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| 69 |
}
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| 70 |
if ((rs = mysql_store_result(db)) == NULL)
|
| 71 |
{
|
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log_error("Get section_list data failed\n");
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ret = -2;
|
| 74 |
goto cleanup;
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| 75 |
}
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| 76 |
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| 77 |
ret = 0;
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| 78 |
while ((row = mysql_fetch_row(rs)))
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| 79 |
{
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| 80 |
sid = atoi(row[0]);
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// Query section master
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| 83 |
snprintf(sql, sizeof(sql),
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"SELECT username FROM section_master "
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"INNER JOIN user_list ON section_master.UID = user_list.UID "
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"WHERE SID = %d AND section_master.enable AND (NOW() BETWEEN begin_dt AND end_dt) "
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"ORDER BY major DESC, begin_dt ASC LIMIT 3",
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sid);
|
| 89 |
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| 90 |
if (mysql_query(db, sql) != 0)
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{
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log_error("Query section_master error: %s\n", mysql_error(db));
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ret = -3;
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break;
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}
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if ((rs2 = mysql_store_result(db)) == NULL)
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{
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log_error("Get section_master data failed\n");
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ret = -3;
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| 100 |
break;
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| 101 |
}
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| 102 |
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| 103 |
master_list[0] = '\0';
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| 104 |
while ((row2 = mysql_fetch_row(rs2)))
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{
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strncat(master_list, row2[0], sizeof(master_list) - 1 - strnlen(master_list, sizeof(master_list)));
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strncat(master_list, " ", sizeof(master_list) - 1 - strnlen(master_list, sizeof(master_list)));
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| 108 |
}
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mysql_free_result(rs2);
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rs2 = NULL;
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| 111 |
|
| 112 |
p_section = section_list_find_by_sid(sid);
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| 113 |
|
| 114 |
if (p_section == NULL)
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| 115 |
{
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| 116 |
p_section = section_list_create(sid, row[1], row[2], master_list);
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| 117 |
if (p_section == NULL)
|
| 118 |
{
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log_error("section_list_create() error: load new section sid = %d sname = %s\n", sid, row[1]);
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ret = -4;
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break;
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| 122 |
}
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// acquire rw lock
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ret = section_list_rw_lock(p_section);
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| 126 |
if (ret < 0)
|
| 127 |
{
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| 128 |
break;
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| 129 |
}
|
| 130 |
}
|
| 131 |
else
|
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{
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// acquire rw lock
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ret = section_list_rw_lock(p_section);
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| 135 |
if (ret < 0)
|
| 136 |
{
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break;
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| 138 |
}
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| 139 |
|
| 140 |
if (section_list_update(p_section, row[1], row[2], master_list) < 0)
|
| 141 |
{
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log_error("section_list_update(sid=%d) error\n", p_section->sid);
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ret = -4;
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| 144 |
break;
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| 145 |
}
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| 146 |
}
|
| 147 |
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| 148 |
p_section->class_id = atoi(row[3]);
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p_section->read_user_level = atoi(row[4]);
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p_section->write_user_level = atoi(row[5]);
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p_section->enable = (int8_t)atoi(row[6]);
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| 152 |
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// Update gen_ex menu set
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| 154 |
if (update_gen_ex && p_section->enable && atol(row[7] == NULL ? "0" : row[7]) > p_section->ex_menu_tm)
|
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{
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snprintf(ex_menu_conf, sizeof(ex_menu_conf), "%s/%d", VAR_GEN_EX_MENU_DIR, p_section->sid);
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| 157 |
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ret = load_menu(&ex_menu_set_new, ex_menu_conf);
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| 159 |
if (ret < 0)
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{
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unload_menu(&ex_menu_set_new);
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log_error("load_menu(%s) error: %d\n", ex_menu_conf, ret);
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}
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| 164 |
else
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{
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| 166 |
if (p_section->ex_menu_tm > 0)
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{
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unload_menu(&(p_section->ex_menu_set));
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}
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| 170 |
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ex_menu_set_new.allow_exit = 1; // Allow exit menu
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| 172 |
memcpy(&(p_section->ex_menu_set), &ex_menu_set_new, sizeof(ex_menu_set_new));
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| 173 |
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| 174 |
p_section->ex_menu_tm = atol(row[7]);
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#ifdef _DEBUG
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log_common("Loaded gen_ex_menu of section %d [%s]\n", p_section->sid, p_section->sname);
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#endif
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| 178 |
}
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}
|
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| 181 |
// release rw lock
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| 182 |
ret = section_list_rw_unlock(p_section);
|
| 183 |
if (ret < 0)
|
| 184 |
{
|
| 185 |
break;
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| 186 |
}
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| 187 |
}
|
| 188 |
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| 189 |
cleanup:
|
| 190 |
mysql_free_result(rs2);
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| 191 |
mysql_free_result(rs);
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| 192 |
mysql_close(db);
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| 193 |
|
| 194 |
return ret;
|
| 195 |
}
|
| 196 |
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| 197 |
int append_articles_from_db(int32_t start_aid, int global_lock, int article_count_limit)
|
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{
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| 199 |
MYSQL *db = NULL;
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MYSQL_RES *rs = NULL;
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| 201 |
MYSQL_ROW row;
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| 202 |
char sql[SQL_BUFFER_LEN];
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ARTICLE article;
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ARTICLE *p_topic;
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SECTION_LIST *p_section = NULL;
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| 206 |
int32_t last_sid = 0;
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| 207 |
char sub_ip[IP_ADDR_LEN];
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| 208 |
int article_count = 0;
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| 209 |
int ret = 0;
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| 210 |
int i;
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| 211 |
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| 212 |
db = db_open();
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if (db == NULL)
|
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{
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| 215 |
log_error("db_open() error: %s\n", mysql_error(db));
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| 216 |
ret = -1;
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| 217 |
goto cleanup;
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}
|
| 219 |
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| 220 |
snprintf(sql, sizeof(sql),
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| 221 |
"SELECT bbs.AID, TID, SID, bbs.CID, UID, visible, excerption, ontop, `lock`, "
|
| 222 |
"transship, username, nickname, title, UNIX_TIMESTAMP(sub_dt) AS sub_dt, "
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| 223 |
"sub_ip, bbs_content.content "
|
| 224 |
"FROM bbs INNER JOIN bbs_content ON bbs.CID = bbs_content.CID "
|
| 225 |
"WHERE bbs.AID >= %d ORDER BY bbs.AID LIMIT %d",
|
| 226 |
start_aid, article_count_limit);
|
| 227 |
|
| 228 |
if (mysql_query(db, sql) != 0)
|
| 229 |
{
|
| 230 |
log_error("Query article list error: %s\n", mysql_error(db));
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ret = -2;
|
| 232 |
goto cleanup;
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| 233 |
}
|
| 234 |
if ((rs = mysql_use_result(db)) == NULL)
|
| 235 |
{
|
| 236 |
log_error("Get article list data failed\n");
|
| 237 |
ret = -2;
|
| 238 |
goto cleanup;
|
| 239 |
}
|
| 240 |
|
| 241 |
// acquire global lock
|
| 242 |
if (global_lock && (ret = section_list_rw_lock(NULL)) < 0)
|
| 243 |
{
|
| 244 |
log_error("section_list_rw_lock(sid = 0) error\n");
|
| 245 |
goto cleanup;
|
| 246 |
}
|
| 247 |
|
| 248 |
while ((row = mysql_fetch_row(rs)))
|
| 249 |
{
|
| 250 |
memset(&article, 0, sizeof(ARTICLE));
|
| 251 |
|
| 252 |
// copy data of article
|
| 253 |
i = 0;
|
| 254 |
|
| 255 |
article.aid = atoi(row[i++]);
|
| 256 |
article.tid = atoi(row[i++]);
|
| 257 |
article.sid = atoi(row[i++]);
|
| 258 |
article.cid = atoi(row[i++]);
|
| 259 |
article.uid = atoi(row[i++]);
|
| 260 |
article.visible = (int8_t)atoi(row[i++]);
|
| 261 |
article.excerption = (int8_t)atoi(row[i++]);
|
| 262 |
article.ontop = (int8_t)atoi(row[i++]);
|
| 263 |
article.lock = (int8_t)atoi(row[i++]);
|
| 264 |
article.transship = (int8_t)atoi(row[i++]);
|
| 265 |
|
| 266 |
strncpy(article.username, row[i++], sizeof(article.username) - 1);
|
| 267 |
article.username[sizeof(article.username) - 1] = '\0';
|
| 268 |
strncpy(article.nickname, row[i++], sizeof(article.nickname) - 1);
|
| 269 |
article.nickname[sizeof(article.nickname) - 1] = '\0';
|
| 270 |
strncpy(article.title, row[i++], sizeof(article.title) - 1);
|
| 271 |
article.title[sizeof(article.title) - 1] = '\0';
|
| 272 |
|
| 273 |
article.sub_dt = atol(row[i++]);
|
| 274 |
|
| 275 |
strncpy(sub_ip, row[i++], sizeof(sub_ip) - 1);
|
| 276 |
sub_ip[sizeof(sub_ip) - 1] = '\0';
|
| 277 |
ip_mask(sub_ip, 1, '*');
|
| 278 |
|
| 279 |
// release lock of last section if different from current one
|
| 280 |
if (!global_lock && article.sid != last_sid && last_sid != 0)
|
| 281 |
{
|
| 282 |
if ((ret = section_list_rw_unlock(p_section)) < 0)
|
| 283 |
{
|
| 284 |
log_error("section_list_rw_unlock(sid=%d) error\n", p_section->sid);
|
| 285 |
break;
|
| 286 |
}
|
| 287 |
}
|
| 288 |
|
| 289 |
if ((p_section = section_list_find_by_sid(article.sid)) == NULL)
|
| 290 |
{
|
| 291 |
log_error("section_list_find_by_sid(%d) error: unknown section, try reloading section config\n", article.sid);
|
| 292 |
ret = ERR_UNKNOWN_SECTION; // Unknown section found
|
| 293 |
break;
|
| 294 |
}
|
| 295 |
|
| 296 |
if (article.visible != 0 && article.tid != 0)
|
| 297 |
{
|
| 298 |
// Check if topic article is visible
|
| 299 |
p_topic = article_block_find_by_aid(article.tid);
|
| 300 |
if (p_topic == NULL || p_topic->visible == 0)
|
| 301 |
{
|
| 302 |
// log_error("Set article (aid = %d) as invisible due to invisible or non-existing topic head\n", article.aid);
|
| 303 |
article.tid = 0;
|
| 304 |
article.visible = 0;
|
| 305 |
}
|
| 306 |
}
|
| 307 |
|
| 308 |
// acquire lock of current section if different from last one
|
| 309 |
if (!global_lock && article.sid != last_sid)
|
| 310 |
{
|
| 311 |
if ((ret = section_list_rw_lock(p_section)) < 0)
|
| 312 |
{
|
| 313 |
log_error("section_list_rw_lock(sid=0) error\n");
|
| 314 |
break;
|
| 315 |
}
|
| 316 |
}
|
| 317 |
|
| 318 |
// append article to section list
|
| 319 |
last_sid = article.sid;
|
| 320 |
|
| 321 |
if (section_list_append_article(p_section, &article) < 0)
|
| 322 |
{
|
| 323 |
log_error("section_list_append_article(sid=%d, aid=%d) error\n",
|
| 324 |
p_section->sid, article.aid);
|
| 325 |
ret = -3;
|
| 326 |
break;
|
| 327 |
}
|
| 328 |
|
| 329 |
article_count++;
|
| 330 |
|
| 331 |
if (article_cache_generate(VAR_ARTICLE_CACHE_DIR, &article, p_section, row[i++], sub_ip, 0) < 0)
|
| 332 |
{
|
| 333 |
log_error("article_cache_generate(aid=%d, cid=%d) error\n", article.aid, article.cid);
|
| 334 |
ret = -4;
|
| 335 |
break;
|
| 336 |
}
|
| 337 |
}
|
| 338 |
|
| 339 |
// release lock of last section
|
| 340 |
if (!global_lock && last_sid != 0)
|
| 341 |
{
|
| 342 |
if ((ret = section_list_rw_unlock(p_section)) < 0)
|
| 343 |
{
|
| 344 |
log_error("section_list_rw_unlock(sid=%d) error\n", p_section->sid);
|
| 345 |
}
|
| 346 |
}
|
| 347 |
|
| 348 |
// release global lock
|
| 349 |
if (global_lock && (ret = section_list_rw_unlock(NULL)) < 0)
|
| 350 |
{
|
| 351 |
log_error("section_list_rw_unlock(sid=0) error\n");
|
| 352 |
}
|
| 353 |
|
| 354 |
cleanup:
|
| 355 |
mysql_free_result(rs);
|
| 356 |
mysql_close(db);
|
| 357 |
|
| 358 |
article_cache_cleanup();
|
| 359 |
|
| 360 |
return (ret < 0 ? ret : article_count);
|
| 361 |
}
|
| 362 |
|
| 363 |
int set_last_article_op_log_from_db(void)
|
| 364 |
{
|
| 365 |
MYSQL *db = NULL;
|
| 366 |
MYSQL_RES *rs = NULL;
|
| 367 |
MYSQL_ROW row;
|
| 368 |
char sql[SQL_BUFFER_LEN];
|
| 369 |
int ret = 0;
|
| 370 |
|
| 371 |
db = db_open();
|
| 372 |
if (db == NULL)
|
| 373 |
{
|
| 374 |
log_error("db_open() error: %s\n", mysql_error(db));
|
| 375 |
ret = -1;
|
| 376 |
goto cleanup;
|
| 377 |
}
|
| 378 |
|
| 379 |
snprintf(sql, sizeof(sql),
|
| 380 |
"SELECT MID FROM bbs_article_op ORDER BY MID DESC LIMIT 1");
|
| 381 |
|
| 382 |
if (mysql_query(db, sql) != 0)
|
| 383 |
{
|
| 384 |
log_error("Query article op error: %s\n", mysql_error(db));
|
| 385 |
ret = -2;
|
| 386 |
goto cleanup;
|
| 387 |
}
|
| 388 |
if ((rs = mysql_store_result(db)) == NULL)
|
| 389 |
{
|
| 390 |
log_error("Get article op data failed\n");
|
| 391 |
ret = -2;
|
| 392 |
goto cleanup;
|
| 393 |
}
|
| 394 |
|
| 395 |
if ((row = mysql_fetch_row(rs)))
|
| 396 |
{
|
| 397 |
last_article_op_log_mid = atoi(row[0]);
|
| 398 |
}
|
| 399 |
|
| 400 |
cleanup:
|
| 401 |
mysql_free_result(rs);
|
| 402 |
mysql_close(db);
|
| 403 |
|
| 404 |
return (ret < 0 ? ret : last_article_op_log_mid);
|
| 405 |
}
|
| 406 |
|
| 407 |
int apply_article_op_log_from_db(int op_count_limit)
|
| 408 |
{
|
| 409 |
MYSQL *db = NULL;
|
| 410 |
MYSQL_RES *rs = NULL, *rs2 = NULL;
|
| 411 |
MYSQL_ROW row, row2;
|
| 412 |
char sql[SQL_BUFFER_LEN];
|
| 413 |
ARTICLE *p_article;
|
| 414 |
SECTION_LIST *p_section = NULL;
|
| 415 |
SECTION_LIST *p_section_dest;
|
| 416 |
char sub_ip[IP_ADDR_LEN];
|
| 417 |
int32_t last_sid = 0;
|
| 418 |
int32_t sid_dest;
|
| 419 |
int op_count = 0;
|
| 420 |
int ret = 0;
|
| 421 |
|
| 422 |
db = db_open();
|
| 423 |
if (db == NULL)
|
| 424 |
{
|
| 425 |
log_error("db_open() error: %s\n", mysql_error(db));
|
| 426 |
ret = -1;
|
| 427 |
goto cleanup;
|
| 428 |
}
|
| 429 |
|
| 430 |
snprintf(sql, sizeof(sql),
|
| 431 |
"SELECT MID, AID, type FROM bbs_article_op "
|
| 432 |
"WHERE MID > %d AND type NOT IN ('A') "
|
| 433 |
"ORDER BY MID LIMIT %d",
|
| 434 |
last_article_op_log_mid, op_count_limit);
|
| 435 |
|
| 436 |
if (mysql_query(db, sql) != 0)
|
| 437 |
{
|
| 438 |
log_error("Query article log error: %s\n", mysql_error(db));
|
| 439 |
ret = -2;
|
| 440 |
goto cleanup;
|
| 441 |
}
|
| 442 |
if ((rs = mysql_store_result(db)) == NULL)
|
| 443 |
{
|
| 444 |
log_error("Get article log data failed\n");
|
| 445 |
ret = -2;
|
| 446 |
goto cleanup;
|
| 447 |
}
|
| 448 |
|
| 449 |
while ((row = mysql_fetch_row(rs)))
|
| 450 |
{
|
| 451 |
p_article = article_block_find_by_aid(atoi(row[1]));
|
| 452 |
if (p_article == NULL) // related article has not been appended yet
|
| 453 |
{
|
| 454 |
ret = -2;
|
| 455 |
break;
|
| 456 |
}
|
| 457 |
|
| 458 |
// release lock of last section if different from current one
|
| 459 |
if (p_article->sid != last_sid && last_sid != 0)
|
| 460 |
{
|
| 461 |
if ((ret = section_list_rw_unlock(p_section)) < 0)
|
| 462 |
{
|
| 463 |
log_error("section_list_rw_unlock(sid = %d) error\n", p_section->sid);
|
| 464 |
break;
|
| 465 |
}
|
| 466 |
}
|
| 467 |
|
| 468 |
if ((p_section = section_list_find_by_sid(p_article->sid)) == NULL)
|
| 469 |
{
|
| 470 |
log_error("section_list_find_by_sid(%d) error: unknown section, try reloading section config\n", p_article->sid);
|
| 471 |
ret = ERR_UNKNOWN_SECTION; // Unknown section found
|
| 472 |
break;
|
| 473 |
}
|
| 474 |
|
| 475 |
// acquire lock of current section if different from last one
|
| 476 |
if (p_article->sid != last_sid)
|
| 477 |
{
|
| 478 |
if ((ret = section_list_rw_lock(p_section)) < 0)
|
| 479 |
{
|
| 480 |
log_error("section_list_rw_lock(sid = 0) error\n");
|
| 481 |
break;
|
| 482 |
}
|
| 483 |
}
|
| 484 |
|
| 485 |
last_sid = p_article->sid;
|
| 486 |
|
| 487 |
switch (row[2][0])
|
| 488 |
{
|
| 489 |
case 'A': // Add article
|
| 490 |
log_error("Operation type=A should not be found\n");
|
| 491 |
break;
|
| 492 |
case 'D': // Delete article
|
| 493 |
case 'X': // Delete article by Admin
|
| 494 |
if (section_list_set_article_visible(p_section, atoi(row[1]), 0) < 0)
|
| 495 |
{
|
| 496 |
log_error("section_list_set_article_visible(sid=%d, aid=%d, visible=0) error\n", p_section->sid, atoi(row[1]));
|
| 497 |
}
|
| 498 |
if (section_list_calculate_page(p_section, atoi(row[1])) < 0)
|
| 499 |
{
|
| 500 |
log_error("section_list_calculate_page(aid=%d) error\n", atoi(row[1]));
|
| 501 |
}
|
| 502 |
break;
|
| 503 |
case 'S': // Restore article
|
| 504 |
if (section_list_set_article_visible(p_section, atoi(row[1]), 1) < 0)
|
| 505 |
{
|
| 506 |
log_error("section_list_set_article_visible(sid=%d, aid=%d, visible=1) error\n", p_section->sid, atoi(row[1]));
|
| 507 |
}
|
| 508 |
if (section_list_calculate_page(p_section, atoi(row[1])) < 0)
|
| 509 |
{
|
| 510 |
log_error("section_list_calculate_page(aid=%d) error\n", atoi(row[1]));
|
| 511 |
}
|
| 512 |
break;
|
| 513 |
case 'L': // Lock article
|
| 514 |
p_article->lock = 1;
|
| 515 |
break;
|
| 516 |
case 'U': // Unlock article
|
| 517 |
p_article->lock = 0;
|
| 518 |
break;
|
| 519 |
case 'M': // Modify article
|
| 520 |
snprintf(sql, sizeof(sql),
|
| 521 |
"SELECT bbs.CID, sub_ip, bbs_content.content "
|
| 522 |
"FROM bbs INNER JOIN bbs_content ON bbs.CID = bbs_content.CID "
|
| 523 |
"WHERE bbs.AID = %d",
|
| 524 |
p_article->aid);
|
| 525 |
|
| 526 |
if (mysql_query(db, sql) != 0)
|
| 527 |
{
|
| 528 |
log_error("Query article error: %s\n", mysql_error(db));
|
| 529 |
ret = -3;
|
| 530 |
break;
|
| 531 |
}
|
| 532 |
if ((rs2 = mysql_use_result(db)) == NULL)
|
| 533 |
{
|
| 534 |
log_error("Get article data failed\n");
|
| 535 |
ret = -3;
|
| 536 |
break;
|
| 537 |
}
|
| 538 |
if ((row2 = mysql_fetch_row(rs2)))
|
| 539 |
{
|
| 540 |
p_article->cid = atoi(row2[0]);
|
| 541 |
|
| 542 |
strncpy(sub_ip, row2[1], sizeof(sub_ip) - 1);
|
| 543 |
sub_ip[sizeof(sub_ip) - 1] = '\0';
|
| 544 |
ip_mask(sub_ip, 1, '*');
|
| 545 |
|
| 546 |
if (article_cache_generate(VAR_ARTICLE_CACHE_DIR, p_article, p_section, row2[2], sub_ip, 0) < 0)
|
| 547 |
{
|
| 548 |
log_error("article_cache_generate(aid=%d, cid=%d) error\n", p_article->aid, p_article->cid);
|
| 549 |
ret = -4;
|
| 550 |
}
|
| 551 |
}
|
| 552 |
else
|
| 553 |
{
|
| 554 |
p_article->cid = 0;
|
| 555 |
ret = -4;
|
| 556 |
}
|
| 557 |
mysql_free_result(rs2);
|
| 558 |
rs2 = NULL;
|
| 559 |
|
| 560 |
p_article->excerption = 0; // Set excerption = 0 implicitly in case of rare condition
|
| 561 |
break;
|
| 562 |
case 'T': // Move article
|
| 563 |
snprintf(sql, sizeof(sql),
|
| 564 |
"SELECT SID FROM bbs WHERE AID = %d",
|
| 565 |
p_article->aid);
|
| 566 |
|
| 567 |
if (mysql_query(db, sql) != 0)
|
| 568 |
{
|
| 569 |
log_error("Query article error: %s\n", mysql_error(db));
|
| 570 |
ret = -3;
|
| 571 |
break;
|
| 572 |
}
|
| 573 |
if ((rs2 = mysql_store_result(db)) == NULL)
|
| 574 |
{
|
| 575 |
log_error("Get article data failed\n");
|
| 576 |
ret = -3;
|
| 577 |
break;
|
| 578 |
}
|
| 579 |
if ((row2 = mysql_fetch_row(rs2)))
|
| 580 |
{
|
| 581 |
sid_dest = atoi(row2[0]);
|
| 582 |
}
|
| 583 |
else
|
| 584 |
{
|
| 585 |
sid_dest = 0;
|
| 586 |
ret = -4;
|
| 587 |
}
|
| 588 |
mysql_free_result(rs2);
|
| 589 |
rs2 = NULL;
|
| 590 |
|
| 591 |
if (sid_dest > 0 && sid_dest != p_article->sid)
|
| 592 |
{
|
| 593 |
p_section_dest = section_list_find_by_sid(sid_dest);
|
| 594 |
if (p_section_dest == NULL)
|
| 595 |
{
|
| 596 |
ret = ERR_UNKNOWN_SECTION;
|
| 597 |
break;
|
| 598 |
}
|
| 599 |
// acquire lock of dest section
|
| 600 |
if ((ret = section_list_rw_lock(p_section_dest)) < 0)
|
| 601 |
{
|
| 602 |
log_error("section_list_rw_lock(sid = %d) error\n", p_section_dest);
|
| 603 |
break;
|
| 604 |
}
|
| 605 |
// Move topic
|
| 606 |
if ((ret = section_list_move_topic(p_section, p_section_dest, p_article->aid)) < 0)
|
| 607 |
{
|
| 608 |
log_error("section_list_move_topic(src_sid=%d, dest_sid=%d, aid=%d) error (%d), retry in the next loop\n",
|
| 609 |
p_section->sid, p_section_dest->sid, p_article->aid, ret);
|
| 610 |
}
|
| 611 |
// release lock of dest section
|
| 612 |
if (section_list_rw_unlock(p_section_dest) < 0)
|
| 613 |
{
|
| 614 |
log_error("section_list_rw_unlock(sid = %d) error\n", p_section_dest);
|
| 615 |
ret = -1;
|
| 616 |
}
|
| 617 |
}
|
| 618 |
break;
|
| 619 |
case 'E': // Set article as excerption
|
| 620 |
p_article->excerption = 1;
|
| 621 |
break;
|
| 622 |
case 'O': // Unset article as excerption
|
| 623 |
p_article->excerption = 0;
|
| 624 |
break;
|
| 625 |
case 'F': // Set article on top
|
| 626 |
case 'V': // Unset article on top
|
| 627 |
p_article->ontop = (row[2][0] == 'F' ? 1 : 0);
|
| 628 |
if (section_list_update_article_ontop(p_section, p_article) < 0)
|
| 629 |
{
|
| 630 |
log_error("section_list_update_article_ontop(sid=%d, aid=%d) error\n",
|
| 631 |
p_section->sid, p_article->aid);
|
| 632 |
}
|
| 633 |
break;
|
| 634 |
case 'Z': // Set article as trnasship
|
| 635 |
p_article->transship = 1;
|
| 636 |
break;
|
| 637 |
default:
|
| 638 |
// log_error("Operation type=%s unknown, mid=%s\n", row[2], row[0]);
|
| 639 |
break;
|
| 640 |
}
|
| 641 |
|
| 642 |
if (ret < 0)
|
| 643 |
{
|
| 644 |
break;
|
| 645 |
}
|
| 646 |
|
| 647 |
// Update MID with last successfully proceeded article_op_log
|
| 648 |
last_article_op_log_mid = atoi(row[0]);
|
| 649 |
|
| 650 |
op_count++;
|
| 651 |
}
|
| 652 |
|
| 653 |
// release lock of last section
|
| 654 |
if (last_sid != 0)
|
| 655 |
{
|
| 656 |
if ((ret = section_list_rw_unlock(p_section)) < 0)
|
| 657 |
{
|
| 658 |
log_error("section_list_rw_unlock(sid = %d) error\n", p_section->sid);
|
| 659 |
}
|
| 660 |
}
|
| 661 |
|
| 662 |
cleanup:
|
| 663 |
mysql_free_result(rs2);
|
| 664 |
mysql_free_result(rs);
|
| 665 |
mysql_close(db);
|
| 666 |
|
| 667 |
return (ret < 0 ? ret : op_count);
|
| 668 |
}
|
| 669 |
|
| 670 |
static void section_list_ex_menu_set_cleanup(void)
|
| 671 |
{
|
| 672 |
int i;
|
| 673 |
|
| 674 |
for (i = 0; i < p_section_list_pool->section_count; i++)
|
| 675 |
{
|
| 676 |
if (p_section_list_pool->sections[i].ex_menu_tm > 0)
|
| 677 |
{
|
| 678 |
unload_menu(&(p_section_list_pool->sections[i].ex_menu_set));
|
| 679 |
}
|
| 680 |
}
|
| 681 |
}
|
| 682 |
|
| 683 |
int section_list_loader_launch(void)
|
| 684 |
{
|
| 685 |
struct sigaction act = {0};
|
| 686 |
int pid;
|
| 687 |
int ret;
|
| 688 |
int32_t last_aid;
|
| 689 |
int article_count;
|
| 690 |
int load_count;
|
| 691 |
int last_mid;
|
| 692 |
int i;
|
| 693 |
|
| 694 |
if (section_list_loader_pid != 0)
|
| 695 |
{
|
| 696 |
log_error("section_list_loader already running, pid = %d\n", section_list_loader_pid);
|
| 697 |
return -2;
|
| 698 |
}
|
| 699 |
|
| 700 |
pid = fork();
|
| 701 |
|
| 702 |
if (pid > 0) // Parent process
|
| 703 |
{
|
| 704 |
SYS_child_process_count++;
|
| 705 |
section_list_loader_pid = pid;
|
| 706 |
log_common("Section list loader process (pid = %d) start\n", pid);
|
| 707 |
return 0;
|
| 708 |
}
|
| 709 |
else if (pid < 0) // Error
|
| 710 |
{
|
| 711 |
log_error("fork() error (%d)\n", errno);
|
| 712 |
return -1;
|
| 713 |
}
|
| 714 |
|
| 715 |
// Child process
|
| 716 |
SYS_child_process_count = 0;
|
| 717 |
|
| 718 |
// Detach menu in shared memory
|
| 719 |
detach_menu_shm(&bbs_menu);
|
| 720 |
detach_menu_shm(&top10_menu);
|
| 721 |
|
| 722 |
// Set signal handler
|
| 723 |
act.sa_handler = SIG_DFL;
|
| 724 |
if (sigaction(SIGHUP, &act, NULL) == -1)
|
| 725 |
{
|
| 726 |
log_error("set signal action of SIGHUP error: %d\n", errno);
|
| 727 |
}
|
| 728 |
act.sa_handler = SIG_DFL;
|
| 729 |
if (sigaction(SIGCHLD, &act, NULL) == -1)
|
| 730 |
{
|
| 731 |
log_error("set signal action of SIGCHLD error: %d\n", errno);
|
| 732 |
}
|
| 733 |
|
| 734 |
// Do section data loader periodically
|
| 735 |
while (!SYS_server_exit)
|
| 736 |
{
|
| 737 |
if (SYS_conf_reload)
|
| 738 |
{
|
| 739 |
SYS_conf_reload = 0;
|
| 740 |
|
| 741 |
// Load section config
|
| 742 |
if (load_section_config_from_db(0) < 0)
|
| 743 |
{
|
| 744 |
log_error("load_section_config_from_db(0) error\n");
|
| 745 |
}
|
| 746 |
else
|
| 747 |
{
|
| 748 |
log_common("Reload section config successfully\n");
|
| 749 |
}
|
| 750 |
}
|
| 751 |
|
| 752 |
// Load section articles
|
| 753 |
article_count = article_block_article_count();
|
| 754 |
|
| 755 |
do
|
| 756 |
{
|
| 757 |
last_aid = article_block_last_aid();
|
| 758 |
|
| 759 |
if ((ret = append_articles_from_db(last_aid + 1, 0, LOAD_ARTICLE_COUNT_LIMIT)) < 0)
|
| 760 |
{
|
| 761 |
log_error("append_articles_from_db(%d, 0, %d) error\n", last_aid + 1, LOAD_ARTICLE_COUNT_LIMIT);
|
| 762 |
|
| 763 |
if (ret == ERR_UNKNOWN_SECTION)
|
| 764 |
{
|
| 765 |
SYS_conf_reload = 1; // Force reload section_list
|
| 766 |
}
|
| 767 |
}
|
| 768 |
} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
|
| 769 |
|
| 770 |
load_count = article_block_article_count() - article_count;
|
| 771 |
if (load_count > 0)
|
| 772 |
{
|
| 773 |
log_common("Incrementally load %d articles, last_aid = %d\n", load_count, article_block_last_aid());
|
| 774 |
}
|
| 775 |
|
| 776 |
if (SYS_conf_reload)
|
| 777 |
{
|
| 778 |
continue;
|
| 779 |
}
|
| 780 |
|
| 781 |
// Load article_op log
|
| 782 |
last_mid = last_article_op_log_mid;
|
| 783 |
|
| 784 |
do
|
| 785 |
{
|
| 786 |
if ((ret = apply_article_op_log_from_db(LOAD_ARTICLE_COUNT_LIMIT)) < 0)
|
| 787 |
{
|
| 788 |
log_error("apply_article_op_log_from_db() error\n");
|
| 789 |
|
| 790 |
if (ret == ERR_UNKNOWN_SECTION)
|
| 791 |
{
|
| 792 |
SYS_conf_reload = 1; // Force reload section_list
|
| 793 |
}
|
| 794 |
}
|
| 795 |
} while (ret == LOAD_ARTICLE_COUNT_LIMIT);
|
| 796 |
|
| 797 |
if (last_article_op_log_mid > last_mid)
|
| 798 |
{
|
| 799 |
log_common("Proceeded %d article logs, last_mid = %d\n", last_article_op_log_mid - last_mid, last_article_op_log_mid);
|
| 800 |
}
|
| 801 |
|
| 802 |
if (SYS_conf_reload)
|
| 803 |
{
|
| 804 |
continue;
|
| 805 |
}
|
| 806 |
|
| 807 |
for (i = 0; i < BBS_section_list_load_interval && !SYS_server_exit && !SYS_conf_reload; i++)
|
| 808 |
{
|
| 809 |
sleep(1);
|
| 810 |
}
|
| 811 |
}
|
| 812 |
|
| 813 |
// Child process exit
|
| 814 |
|
| 815 |
article_cache_cleanup();
|
| 816 |
|
| 817 |
// gen_ex_menu cleanup
|
| 818 |
section_list_ex_menu_set_cleanup();
|
| 819 |
|
| 820 |
// Detach data pools shm
|
| 821 |
detach_section_list_shm();
|
| 822 |
detach_article_block_shm();
|
| 823 |
detach_trie_dict_shm();
|
| 824 |
|
| 825 |
log_common("Section list loader process exit normally\n");
|
| 826 |
log_end();
|
| 827 |
|
| 828 |
section_list_loader_pid = 0;
|
| 829 |
|
| 830 |
_exit(0);
|
| 831 |
|
| 832 |
return 0;
|
| 833 |
}
|
| 834 |
|
| 835 |
int query_section_articles(SECTION_LIST *p_section, int page_id, ARTICLE *p_articles[],
|
| 836 |
int *p_article_count, int *p_page_count, int *p_ontop_start_offset)
|
| 837 |
{
|
| 838 |
ARTICLE *p_article;
|
| 839 |
ARTICLE *p_next_page_first_article;
|
| 840 |
int ret = 0;
|
| 841 |
int i;
|
| 842 |
|
| 843 |
if (p_section == NULL || p_articles == NULL || p_article_count == NULL || p_page_count == NULL || p_ontop_start_offset == NULL)
|
| 844 |
{
|
| 845 |
log_error("NULL pointer error\n");
|
| 846 |
return -1;
|
| 847 |
}
|
| 848 |
|
| 849 |
// acquire lock of section
|
| 850 |
if ((ret = section_list_rd_lock(p_section)) < 0)
|
| 851 |
{
|
| 852 |
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid);
|
| 853 |
return -2;
|
| 854 |
}
|
| 855 |
|
| 856 |
*p_page_count = section_list_page_count_with_ontop(p_section);
|
| 857 |
*p_article_count = 0;
|
| 858 |
*p_ontop_start_offset = BBS_article_limit_per_page;
|
| 859 |
|
| 860 |
if (p_section->visible_article_count == 0)
|
| 861 |
{
|
| 862 |
// empty section
|
| 863 |
}
|
| 864 |
else if (page_id < 0 || page_id >= *p_page_count)
|
| 865 |
{
|
| 866 |
log_error("Invalid page_id=%d, not in range [0, %d)\n", page_id, *p_page_count);
|
| 867 |
ret = -3;
|
| 868 |
}
|
| 869 |
else
|
| 870 |
{
|
| 871 |
ret = page_id;
|
| 872 |
|
| 873 |
if (page_id <= p_section->page_count - 1)
|
| 874 |
{
|
| 875 |
p_article = p_section->p_page_first_article[page_id];
|
| 876 |
p_next_page_first_article =
|
| 877 |
(page_id == p_section->page_count - 1 ? p_section->p_article_head : p_section->p_page_first_article[page_id + 1]);
|
| 878 |
|
| 879 |
do
|
| 880 |
{
|
| 881 |
if (p_article->visible)
|
| 882 |
{
|
| 883 |
p_articles[*p_article_count] = p_article;
|
| 884 |
(*p_article_count)++;
|
| 885 |
}
|
| 886 |
p_article = p_article->p_next;
|
| 887 |
} while (p_article != p_next_page_first_article && (*p_article_count) <= BBS_article_limit_per_page);
|
| 888 |
|
| 889 |
if (*p_article_count != (page_id < p_section->page_count - 1 ? BBS_article_limit_per_page : p_section->last_page_visible_article_count))
|
| 890 |
{
|
| 891 |
log_error("Inconsistent visible article count %d detected in section %d page %d\n", *p_article_count, p_section->sid, page_id);
|
| 892 |
}
|
| 893 |
}
|
| 894 |
|
| 895 |
*p_ontop_start_offset = *p_article_count;
|
| 896 |
|
| 897 |
// Append ontop articles
|
| 898 |
if (page_id >= p_section->page_count - 1)
|
| 899 |
{
|
| 900 |
i = (page_id == p_section->page_count - 1
|
| 901 |
? 0
|
| 902 |
: (page_id - p_section->page_count + 1) * BBS_article_limit_per_page - p_section->last_page_visible_article_count);
|
| 903 |
while (*p_article_count < BBS_article_limit_per_page && i < p_section->ontop_article_count)
|
| 904 |
{
|
| 905 |
p_articles[(*p_article_count)++] = p_section->p_ontop_articles[i++];
|
| 906 |
}
|
| 907 |
}
|
| 908 |
}
|
| 909 |
|
| 910 |
// release lock of section
|
| 911 |
if (section_list_rd_unlock(p_section) < 0)
|
| 912 |
{
|
| 913 |
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid);
|
| 914 |
ret = -2;
|
| 915 |
}
|
| 916 |
|
| 917 |
return ret;
|
| 918 |
}
|
| 919 |
|
| 920 |
int locate_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, int direction, int step,
|
| 921 |
int *p_page_id, int *p_visible_offset, int *p_article_count)
|
| 922 |
{
|
| 923 |
const ARTICLE *p_article = NULL;
|
| 924 |
const ARTICLE *p_article_last = NULL;
|
| 925 |
ARTICLE *p_tmp;
|
| 926 |
int32_t aid = 0;
|
| 927 |
int page_id = 0;
|
| 928 |
int offset = 0;
|
| 929 |
int ret = 0;
|
| 930 |
int i;
|
| 931 |
|
| 932 |
if (p_section == NULL || p_article_cur == NULL || p_page_id == NULL || p_visible_offset == NULL || p_article_count == NULL)
|
| 933 |
{
|
| 934 |
log_error("NULL pointer error\n");
|
| 935 |
return -1;
|
| 936 |
}
|
| 937 |
|
| 938 |
// acquire lock of section
|
| 939 |
if ((ret = section_list_rd_lock(p_section)) < 0)
|
| 940 |
{
|
| 941 |
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid);
|
| 942 |
return -2;
|
| 943 |
}
|
| 944 |
|
| 945 |
if (direction == 0)
|
| 946 |
{
|
| 947 |
aid = p_article_cur->aid;
|
| 948 |
}
|
| 949 |
else if (direction == 1)
|
| 950 |
{
|
| 951 |
for (p_article_last = p_article_cur, p_article = p_article_cur->p_topic_next;
|
| 952 |
step > 0 && p_article->aid > p_article_cur->aid;
|
| 953 |
p_article = p_article->p_topic_next)
|
| 954 |
{
|
| 955 |
if (p_article->visible)
|
| 956 |
{
|
| 957 |
step--;
|
| 958 |
p_article_last = p_article;
|
| 959 |
}
|
| 960 |
}
|
| 961 |
p_article = p_article_last;
|
| 962 |
|
| 963 |
aid = (p_article->aid > p_article_cur->aid && p_article->visible ? p_article->aid : 0);
|
| 964 |
}
|
| 965 |
else if (direction == -1)
|
| 966 |
{
|
| 967 |
for (p_article_last = p_article_cur, p_article = p_article_cur->p_topic_prior;
|
| 968 |
step > 0 && p_article->aid < p_article_cur->aid;
|
| 969 |
p_article = p_article->p_topic_prior)
|
| 970 |
{
|
| 971 |
if (p_article->visible)
|
| 972 |
{
|
| 973 |
step--;
|
| 974 |
p_article_last = p_article;
|
| 975 |
}
|
| 976 |
}
|
| 977 |
p_article = p_article_last;
|
| 978 |
|
| 979 |
aid = (p_article->aid < p_article_cur->aid && p_article->visible ? p_article->aid : 0);
|
| 980 |
}
|
| 981 |
|
| 982 |
p_article = NULL;
|
| 983 |
|
| 984 |
if (aid > 0)
|
| 985 |
{
|
| 986 |
p_article = section_list_find_article_with_offset(p_section, aid, &page_id, &offset, &p_tmp);
|
| 987 |
if (p_article != NULL)
|
| 988 |
{
|
| 989 |
*p_article_count = (page_id == p_section->page_count - 1 ? p_section->last_page_visible_article_count : BBS_article_limit_per_page);
|
| 990 |
|
| 991 |
p_article = p_section->p_page_first_article[page_id];
|
| 992 |
for (i = 0; i < *p_article_count && p_article != NULL;)
|
| 993 |
{
|
| 994 |
if (p_article->visible)
|
| 995 |
{
|
| 996 |
if (p_article->aid == aid)
|
| 997 |
{
|
| 998 |
*p_page_id = page_id;
|
| 999 |
*p_visible_offset = i;
|
| 1000 |
break;
|
| 1001 |
}
|
| 1002 |
i++;
|
| 1003 |
if (i >= *p_article_count)
|
| 1004 |
{
|
| 1005 |
log_error("Visible article (aid=%d) not found in page %d\n", aid, page_id);
|
| 1006 |
p_article = NULL;
|
| 1007 |
break;
|
| 1008 |
}
|
| 1009 |
}
|
| 1010 |
p_article = p_article->p_next;
|
| 1011 |
}
|
| 1012 |
|
| 1013 |
// Include ontop articles
|
| 1014 |
*p_article_count = section_list_page_article_count_with_ontop(p_section, page_id);
|
| 1015 |
}
|
| 1016 |
}
|
| 1017 |
|
| 1018 |
// release lock of section
|
| 1019 |
if (section_list_rd_unlock(p_section) < 0)
|
| 1020 |
{
|
| 1021 |
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid);
|
| 1022 |
ret = -2;
|
| 1023 |
}
|
| 1024 |
|
| 1025 |
return (ret < 0 ? ret : (p_article == NULL ? 0 : 1));
|
| 1026 |
}
|
| 1027 |
|
| 1028 |
int scan_unread_article_in_section(SECTION_LIST *p_section, const ARTICLE *p_article_cur, const ARTICLE **pp_article_unread)
|
| 1029 |
{
|
| 1030 |
ARTICLE *p_article;
|
| 1031 |
int ret = 0;
|
| 1032 |
|
| 1033 |
if (p_section == NULL || p_article_cur == NULL || pp_article_unread == NULL)
|
| 1034 |
{
|
| 1035 |
log_error("NULL pointer error\n");
|
| 1036 |
return -1;
|
| 1037 |
}
|
| 1038 |
|
| 1039 |
if (p_article_cur->sid != p_section->sid)
|
| 1040 |
{
|
| 1041 |
log_error("Inconsistent SID\n");
|
| 1042 |
return -1;
|
| 1043 |
}
|
| 1044 |
|
| 1045 |
// acquire lock of section
|
| 1046 |
if ((ret = section_list_rd_lock(p_section)) < 0)
|
| 1047 |
{
|
| 1048 |
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid);
|
| 1049 |
return -2;
|
| 1050 |
}
|
| 1051 |
|
| 1052 |
*pp_article_unread = NULL;
|
| 1053 |
|
| 1054 |
for (p_article = p_article_cur->p_next; p_article != NULL && p_article != p_article_cur; p_article = p_article->p_next)
|
| 1055 |
{
|
| 1056 |
if (p_article->visible && p_article->uid != BBS_priv.uid && !article_view_log_is_viewed(p_article->aid, &BBS_article_view_log))
|
| 1057 |
{
|
| 1058 |
*pp_article_unread = p_article;
|
| 1059 |
break;
|
| 1060 |
}
|
| 1061 |
}
|
| 1062 |
|
| 1063 |
// release lock of section
|
| 1064 |
if (section_list_rd_unlock(p_section) < 0)
|
| 1065 |
{
|
| 1066 |
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid);
|
| 1067 |
return -2;
|
| 1068 |
}
|
| 1069 |
|
| 1070 |
return (p_article != NULL && p_article != p_article_cur ? 1 : 0);
|
| 1071 |
}
|
| 1072 |
|
| 1073 |
int get_section_ex_menu_set(SECTION_LIST *p_section, MENU_SET *p_ex_menu_set)
|
| 1074 |
{
|
| 1075 |
int ret = 0;
|
| 1076 |
|
| 1077 |
if (p_section == NULL || p_ex_menu_set == NULL)
|
| 1078 |
{
|
| 1079 |
log_error("NULL pointer error\n");
|
| 1080 |
return -1;
|
| 1081 |
}
|
| 1082 |
|
| 1083 |
// acquire lock of section
|
| 1084 |
if ((ret = section_list_rd_lock(p_section)) < 0)
|
| 1085 |
{
|
| 1086 |
log_error("section_list_rd_lock(sid = %d) error\n", p_section->sid);
|
| 1087 |
return -2;
|
| 1088 |
}
|
| 1089 |
|
| 1090 |
memcpy(p_ex_menu_set, &(p_section->ex_menu_set), sizeof(p_section->ex_menu_set));
|
| 1091 |
|
| 1092 |
// release lock of section
|
| 1093 |
if (section_list_rd_unlock(p_section) < 0)
|
| 1094 |
{
|
| 1095 |
log_error("section_list_rd_unlock(sid = %d) error\n", p_section->sid);
|
| 1096 |
ret = -2;
|
| 1097 |
}
|
| 1098 |
|
| 1099 |
return ret;
|
| 1100 |
}
|
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