lbbs/src/section_list_loader.c

/***************************************************************************
                                        section_list_loader.c  -  description
                                                         -------------------
        Copyright            : (C) 2004-2025 by Leaflet
        Email                : leaflet@leafok.com
 ***************************************************************************/

/***************************************************************************
 *                                                                         *
 *   This program is free software; you can redistribute it and/or modify  *
 *   it under the terms of the GNU General Public License as published by  *
 *   the Free Software Foundation; either version 3 of the License, or     *
 *   (at your option) any later version.                                   *
 *                                                                         *
 ***************************************************************************/

#include "section_list_loader.h"
#include "log.h"
#include "database.h"
#include <stdio.h>
#include <string.h>
#include <errno.h>
#include <stdlib.h>

int load_section_config_from_db(void)
{
        MYSQL *db;
        MYSQL_RES *rs, *rs2;
        MYSQL_ROW row, row2;
        char sql[SQL_BUFFER_LEN];
        int32_t sid;
        char master_name[BBS_username_max_len + 1];
        SECTION_LIST *p_section;
        int ret;

        db = db_open();
        if (db == NULL)
        {
                log_error("db_open() error: %s\n", mysql_error(db));
                return -2;
        }

        snprintf(sql, sizeof(sql),
                         "SELECT section_config.SID, sname, section_config.title, section_config.CID, "
                         "read_user_level, write_user_level, section_config.enable * section_class.enable AS enable "
                         "FROM section_config INNER JOIN section_class ON section_config.CID = section_class.CID "
                         "ORDER BY section_config.SID");

        if (mysql_query(db, sql) != 0)
        {
                log_error("Query section_list error: %s\n", mysql_error(db));
                return -3;
        }
        if ((rs = mysql_store_result(db)) == NULL)
        {
                log_error("Get section_list data failed\n");
                return -3;
        }

        ret = 0;
        while ((row = mysql_fetch_row(rs)))
        {
                sid = atoi(row[0]);

                // Query section master
                snprintf(sql, sizeof(sql),
                                 "SELECT username FROM section_master "
                                 "INNER JOIN user_list ON section_master.UID = user_list.UID "
                                 "WHERE SID = %d AND section_master.enable AND (NOW() BETWEEN begin_dt AND end_dt) "
                                 "ORDER BY major DESC LIMIT 1",
                                 sid);

                if (mysql_query(db, sql) != 0)
                {
                        log_error("Query section_master error: %s\n", mysql_error(db));
                        ret = -3;
                        break;
                }
                if ((rs2 = mysql_store_result(db)) == NULL)
                {
                        log_error("Get section_master data failed\n");
                        ret = -3;
                        break;
                }
                if ((row2 = mysql_fetch_row(rs2)))
                {
                        strncpy(master_name, row2[0], sizeof(master_name) - 1);
                        master_name[sizeof(master_name) - 1] = '\0';
                }
                else
                {
                        master_name[0] = '\0';
                }
                mysql_free_result(rs2);

                p_section = section_list_find_by_sid(sid);

                if (p_section == NULL)
                {
                        p_section = section_list_create(sid, row[1], row[2], "");
                        if (p_section == NULL)
                        {
                                log_error("section_list_create() error: load new section sid = %d sname = %s\n", sid, row[1]);
                                ret = -4;
                                break;
                        }

                        // acquire rw lock
                        ret = section_list_rw_lock(p_section);
                        if (ret < 0)
                        {
                                break;
                        }
                }
                else
                {
                        // acquire rw lock
                        ret = section_list_rw_lock(p_section);
                        if (ret < 0)
                        {
                                break;
                        }

                        strncpy(p_section->sname, row[1], sizeof(p_section->sname) - 1);
                        p_section->sname[sizeof(p_section->sname) - 1] = '\0';
                        strncpy(p_section->stitle, row[1], sizeof(p_section->stitle) - 1);
                        p_section->stitle[sizeof(p_section->stitle) - 1] = '\0';
                        strncpy(p_section->master_name, master_name, sizeof(p_section->master_name) - 1);
                        p_section->master_name[sizeof(p_section->master_name) - 1] = '\0';
                }

                p_section->class_id = atoi(row[3]);
                p_section->read_user_level = atoi(row[4]);
                p_section->write_user_level = atoi(row[5]);
                p_section->enable = (int8_t)atoi(row[6]);

                // release rw lock
                ret = section_list_rw_unlock(p_section);
                if (ret < 0)
                {
                        break;
                }
        }
        mysql_free_result(rs);

        mysql_close(db);

        return ret;
}
1	sysadm	1.1	/***************************************************************************
2			section_list_loader.c - description
3			-------------------
4			Copyright : (C) 2004-2025 by Leaflet
5			Email : leaflet@leafok.com
6			***************************************************************************/
7
8			/***************************************************************************
9			* *
10			* This program is free software; you can redistribute it and/or modify *
11			* it under the terms of the GNU General Public License as published by *
12			* the Free Software Foundation; either version 3 of the License, or *
13			* (at your option) any later version. *
14			* *
15			***************************************************************************/
16
17			#include "section_list_loader.h"
18			#include "log.h"
19			#include "database.h"
20			#include <stdio.h>
21			#include <string.h>
22			#include <errno.h>
23			#include <stdlib.h>
24
25	sysadm	1.2	int load_section_config_from_db(void)
26	sysadm	1.1	{
27	sysadm	1.2	MYSQL *db;
28	sysadm	1.1	MYSQL_RES rs, rs2;
29			MYSQL_ROW row, row2;
30			char sql[SQL_BUFFER_LEN];
31			int32_t sid;
32			char master_name[BBS_username_max_len + 1];
33			SECTION_LIST *p_section;
34			int ret;
35
36	sysadm	1.2	db = db_open();
37			if (db == NULL)
38			{
39			log_error("db_open() error: %s\n", mysql_error(db));
40			return -2;
41			}
42
43	sysadm	1.1	snprintf(sql, sizeof(sql),
44	sysadm	1.2	"SELECT section_config.SID, sname, section_config.title, section_config.CID, "
45			"read_user_level, write_user_level, section_config.enable * section_class.enable AS enable "
46			"FROM section_config INNER JOIN section_class ON section_config.CID = section_class.CID "
47	sysadm	1.1	"ORDER BY section_config.SID");
48
49			if (mysql_query(db, sql) != 0)
50			{
51			log_error("Query section_list error: %s\n", mysql_error(db));
52	sysadm	1.2	return -3;
53	sysadm	1.1	}
54			if ((rs = mysql_store_result(db)) == NULL)
55			{
56			log_error("Get section_list data failed\n");
57	sysadm	1.2	return -3;
58	sysadm	1.1	}
59	sysadm	1.2
60			ret = 0;
61	sysadm	1.1	while ((row = mysql_fetch_row(rs)))
62			{
63			sid = atoi(row[0]);
64
65			// Query section master
66			snprintf(sql, sizeof(sql),
67			"SELECT username FROM section_master "
68			"INNER JOIN user_list ON section_master.UID = user_list.UID "
69			"WHERE SID = %d AND section_master.enable AND (NOW() BETWEEN begin_dt AND end_dt) "
70			"ORDER BY major DESC LIMIT 1",
71			sid);
72
73			if (mysql_query(db, sql) != 0)
74			{
75			log_error("Query section_master error: %s\n", mysql_error(db));
76	sysadm	1.2	ret = -3;
77			break;
78	sysadm	1.1	}
79			if ((rs2 = mysql_store_result(db)) == NULL)
80			{
81			log_error("Get section_master data failed\n");
82	sysadm	1.2	ret = -3;
83			break;
84	sysadm	1.1	}
85			if ((row2 = mysql_fetch_row(rs2)))
86			{
87			strncpy(master_name, row2[0], sizeof(master_name) - 1);
88			master_name[sizeof(master_name) - 1] = '\0';
89			}
90			else
91			{
92			master_name[0] = '\0';
93			}
94			mysql_free_result(rs2);
95
96			p_section = section_list_find_by_sid(sid);
97
98			if (p_section == NULL)
99			{
100			p_section = section_list_create(sid, row[1], row[2], "");
101			if (p_section == NULL)
102			{
103	sysadm	1.2	log_error("section_list_create() error: load new section sid = %d sname = %s\n", sid, row[1]);
104			ret = -4;
105	sysadm	1.1	break;
106			}
107
108			// acquire rw lock
109			ret = section_list_rw_lock(p_section);
110			if (ret < 0)
111			{
112			break;
113			}
114			}
115			else
116			{
117			// acquire rw lock
118			ret = section_list_rw_lock(p_section);
119			if (ret < 0)
120			{
121			break;
122			}
123
124			strncpy(p_section->sname, row[1], sizeof(p_section->sname) - 1);
125			p_section->sname[sizeof(p_section->sname) - 1] = '\0';
126			strncpy(p_section->stitle, row[1], sizeof(p_section->stitle) - 1);
127			p_section->stitle[sizeof(p_section->stitle) - 1] = '\0';
128			strncpy(p_section->master_name, master_name, sizeof(p_section->master_name) - 1);
129			p_section->master_name[sizeof(p_section->master_name) - 1] = '\0';
130			}
131
132			p_section->class_id = atoi(row[3]);
133			p_section->read_user_level = atoi(row[4]);
134			p_section->write_user_level = atoi(row[5]);
135			p_section->enable = (int8_t)atoi(row[6]);
136
137			// release rw lock
138			ret = section_list_rw_unlock(p_section);
139			if (ret < 0)
140			{
141			break;
142			}
143			}
144			mysql_free_result(rs);
145
146	sysadm	1.2	mysql_close(db);
147
148			return ret;
149	sysadm	1.1	}
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