/[LeafOK_CVS]/lbbs/include/section_list.h
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Revision 1.5 by sysadm, Thu May 22 06:20:47 2025 UTC Revision 1.24 by sysadm, Tue Jun 24 10:01:24 2025 UTC
# Line 14  Line 14 
14   *                                                                         *   *                                                                         *
15   ***************************************************************************/   ***************************************************************************/
16    
17  #include "common.h"  #ifndef _SECTION_LIST_H_
18    #define _SECTION_LIST_H_
19    
20  #include "bbs.h"  #include "bbs.h"
21    #include "common.h"
22    #include "menu.h"
23    #include <time.h>
24    
25  #define BBS_article_title_max_len 80  #define BBS_article_title_max_len 80
26  #define BBS_article_limit_per_section 50000  #define BBS_article_limit_per_section 50000
27  #define BBS_article_limit_per_page 20  #define BBS_article_limit_per_page 20
28    
29    #define BBS_ontop_article_limit_per_section 10
30    
31  #define ARTICLE_PER_BLOCK 1000  #define ARTICLE_PER_BLOCK 1000
32    
33  struct article_t  struct article_t
34  {  {
35          int32_t aid;          int32_t aid;
36          int32_t tid;          int32_t tid;
37            int32_t sid;
38          int32_t cid;          int32_t cid;
39          int32_t uid;          int32_t uid;
40          struct article_t *p_prior;               // prior article          struct article_t *p_prior;               // prior article
# Line 37  struct article_t Line 45  struct article_t
45          int8_t excerption;          int8_t excerption;
46          int8_t ontop;          int8_t ontop;
47          int8_t lock;          int8_t lock;
48            int8_t transship;
49          char username[BBS_username_max_len + 1];          char username[BBS_username_max_len + 1];
50          char nickname[BBS_nickname_max_len + 1];          char nickname[BBS_nickname_max_len + 1];
51          char title[BBS_article_title_max_len + 1];          char title[BBS_article_title_max_len + 1];
52            time_t sub_dt;
53  };  };
54  typedef struct article_t ARTICLE;  typedef struct article_t ARTICLE;
55    
56  struct section_list_t  struct section_list_t
57  {  {
58          int32_t sid;          int32_t sid;
59            int32_t class_id;
60            int8_t enable;
61          char sname[BBS_section_name_max_len + 1];          char sname[BBS_section_name_max_len + 1];
62          char stitle[BBS_section_title_max_len + 1];          char stitle[BBS_section_title_max_len + 1];
63          char master_name[BBS_username_max_len + 1];          char master_list[(BBS_username_max_len + 1) * 3 + 1];
64            int read_user_level;
65            int write_user_level;
66          int32_t article_count;          int32_t article_count;
67            int32_t topic_count;
68            int32_t visible_article_count;
69            int32_t visible_topic_count;
70          ARTICLE *p_article_head;          ARTICLE *p_article_head;
71          ARTICLE *p_article_tail;          ARTICLE *p_article_tail;
72          ARTICLE *p_page_first_article[BBS_article_limit_per_section / BBS_article_limit_per_page];          ARTICLE *p_page_first_article[BBS_article_limit_per_section / BBS_article_limit_per_page];
73          int32_t page_count;          int32_t page_count;
74          int32_t last_page_article_count;          int32_t last_page_visible_article_count;
75            ARTICLE *p_ontop_articles[BBS_ontop_article_limit_per_section];
76            int32_t ontop_article_count;
77            MENU_SET ex_menu_set;
78            time_t ex_menu_tm;
79  };  };
80  typedef struct section_list_t SECTION_LIST;  typedef struct section_list_t SECTION_LIST;
81    
# Line 63  typedef struct section_list_t SECTION_LI Line 84  typedef struct section_list_t SECTION_LI
84  // in order to allocate enough memory for blocks  // in order to allocate enough memory for blocks
85  extern int article_block_init(const char *filename, int block_count);  extern int article_block_init(const char *filename, int block_count);
86  extern void article_block_cleanup(void);  extern void article_block_cleanup(void);
87    
88    extern int set_article_block_shm_readonly(void);
89    extern int detach_article_block_shm(void);
90    
91  extern int article_block_reset(void);  extern int article_block_reset(void);
92    
93  extern ARTICLE *article_block_find_by_aid(int32_t aid);  extern ARTICLE *article_block_find_by_aid(int32_t aid);
94  extern ARTICLE *article_block_find_by_index(int index);  extern ARTICLE *article_block_find_by_index(int index);
95    
96  extern SECTION_LIST *section_list_create(const char *sname, const char *stitle, const char *master_name);  extern int32_t article_block_last_aid(void);
97  extern void section_list_reset_articles(SECTION_LIST *p_section);  extern int article_block_article_count(void);
98    
99    extern int article_count_of_topic(int32_t aid);
100    
101    extern int section_list_init(const char *filename);
102  extern void section_list_cleanup(void);  extern void section_list_cleanup(void);
103    extern void section_list_ex_menu_set_cleanup(void);
104    
105    extern int set_section_list_shm_readonly(void);
106    extern int detach_section_list_shm(void);
107    
108    extern SECTION_LIST *section_list_create(int32_t sid, const char *sname, const char *stitle, const char *master_list);
109    extern void section_list_reset_articles(SECTION_LIST *p_section);
110  extern SECTION_LIST *section_list_find_by_name(const char *sname);  extern SECTION_LIST *section_list_find_by_name(const char *sname);
111    extern SECTION_LIST *section_list_find_by_sid(int32_t sid);
112    extern int get_section_index(SECTION_LIST *p_section);
113    
114  extern int section_list_append_article(SECTION_LIST *p_section, const ARTICLE *p_article_src);  extern int section_list_append_article(SECTION_LIST *p_section, const ARTICLE *p_article_src);
115  extern int section_list_set_article_visible(SECTION_LIST *p_section, int32_t aid, int8_t visible);  extern int section_list_set_article_visible(SECTION_LIST *p_section, int32_t aid, int8_t visible);
116    
117    extern int section_list_update_article_ontop(SECTION_LIST *p_section, ARTICLE *p_article);
118    extern int section_list_page_count_with_ontop(SECTION_LIST *p_section);
119    extern int section_list_page_article_count_with_ontop(SECTION_LIST *p_section, int32_t page_id);
120    
121    // *p_page, *p_offset will be set as page / offset of the article with aid in *p_section (including both visible and invisible articles)
122    // *pp_next will be set as pointer to the next article of the article with aid
123    // *pp_next will be set as head article of the section if the article with aid locates at the tail of the section
124    extern ARTICLE *section_list_find_article_with_offset(SECTION_LIST *p_section, int32_t aid, int32_t *p_page, int32_t *p_offset, ARTICLE **pp_next);
125    
126    extern int section_list_calculate_page(SECTION_LIST *p_section, int32_t start_aid);
127    extern int section_list_move_topic(SECTION_LIST *p_section_src, SECTION_LIST *p_section_dest, int32_t aid);
128    
129    extern int section_list_try_rd_lock(SECTION_LIST *p_section, int wait_sec);
130    extern int section_list_try_rw_lock(SECTION_LIST *p_section, int wait_sec);
131    extern int section_list_rd_unlock(SECTION_LIST *p_section);
132    extern int section_list_rw_unlock(SECTION_LIST *p_section);
133    extern int section_list_rd_lock(SECTION_LIST *p_section);
134    extern int section_list_rw_lock(SECTION_LIST *p_section);
135    
136    #endif //_SECTION_LIST_H_

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