/[LeafOK_CVS]/lbbs/include/section_list.h
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Revision 1.7 by sysadm, Fri May 23 07:06:57 2025 UTC Revision 1.23 by sysadm, Mon Jun 23 08:38:01 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 <time.h>
23    
24  #define BBS_article_title_max_len 80  #define BBS_article_title_max_len 80
25  #define BBS_article_limit_per_section 50000  #define BBS_article_limit_per_section 50000
26  #define BBS_article_limit_per_page 20  #define BBS_article_limit_per_page 20
27    
28    #define BBS_ontop_article_limit_per_section 10
29    
30  #define ARTICLE_PER_BLOCK 1000  #define ARTICLE_PER_BLOCK 1000
31    
32  struct article_t  struct article_t
33  {  {
34          int32_t aid;          int32_t aid;
35          int32_t tid;          int32_t tid;
36            int32_t sid;
37          int32_t cid;          int32_t cid;
38          int32_t uid;          int32_t uid;
39          struct article_t *p_prior;               // prior article          struct article_t *p_prior;               // prior article
# Line 37  struct article_t Line 44  struct article_t
44          int8_t excerption;          int8_t excerption;
45          int8_t ontop;          int8_t ontop;
46          int8_t lock;          int8_t lock;
47            int8_t transship;
48          char username[BBS_username_max_len + 1];          char username[BBS_username_max_len + 1];
49          char nickname[BBS_nickname_max_len + 1];          char nickname[BBS_nickname_max_len + 1];
50          char title[BBS_article_title_max_len + 1];          char title[BBS_article_title_max_len + 1];
51            time_t sub_dt;
52  };  };
53  typedef struct article_t ARTICLE;  typedef struct article_t ARTICLE;
54    
55  struct section_list_t  struct section_list_t
56  {  {
57          int32_t sid;          int32_t sid;
58            int32_t class_id;
59            int8_t enable;
60          char sname[BBS_section_name_max_len + 1];          char sname[BBS_section_name_max_len + 1];
61          char stitle[BBS_section_title_max_len + 1];          char stitle[BBS_section_title_max_len + 1];
62          char master_name[BBS_username_max_len + 1];          char master_list[(BBS_username_max_len + 1) * 3 + 1];
63            int read_user_level;
64            int write_user_level;
65          int32_t article_count;          int32_t article_count;
66          int32_t topic_count;          int32_t topic_count;
67          int32_t visible_article_count;          int32_t visible_article_count;
# Line 58  struct section_list_t Line 71  struct section_list_t
71          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];
72          int32_t page_count;          int32_t page_count;
73          int32_t last_page_visible_article_count;          int32_t last_page_visible_article_count;
74            ARTICLE *p_ontop_articles[BBS_ontop_article_limit_per_section];
75            int32_t ontop_article_count;
76  };  };
77  typedef struct section_list_t SECTION_LIST;  typedef struct section_list_t SECTION_LIST;
78    
# Line 66  typedef struct section_list_t SECTION_LI Line 81  typedef struct section_list_t SECTION_LI
81  // in order to allocate enough memory for blocks  // in order to allocate enough memory for blocks
82  extern int article_block_init(const char *filename, int block_count);  extern int article_block_init(const char *filename, int block_count);
83  extern void article_block_cleanup(void);  extern void article_block_cleanup(void);
84    
85    extern int set_article_block_shm_readonly(void);
86    extern int detach_article_block_shm(void);
87    
88  extern int article_block_reset(void);  extern int article_block_reset(void);
89    
90  extern ARTICLE *article_block_find_by_aid(int32_t aid);  extern ARTICLE *article_block_find_by_aid(int32_t aid);
91  extern ARTICLE *article_block_find_by_index(int index);  extern ARTICLE *article_block_find_by_index(int index);
92    
93  extern SECTION_LIST *section_list_create(int32_t sid, const char *sname, const char *stitle, const char *master_name);  extern int32_t article_block_last_aid(void);
94  extern void section_list_reset_articles(SECTION_LIST *p_section);  extern int article_block_article_count(void);
95    
96    extern int article_count_of_topic(int32_t aid);
97    
98    extern int section_list_init(const char *filename);
99  extern void section_list_cleanup(void);  extern void section_list_cleanup(void);
100    
101    extern int set_section_list_shm_readonly(void);
102    extern int detach_section_list_shm(void);
103    
104    extern SECTION_LIST *section_list_create(int32_t sid, const char *sname, const char *stitle, const char *master_list);
105    extern void section_list_reset_articles(SECTION_LIST *p_section);
106  extern SECTION_LIST *section_list_find_by_name(const char *sname);  extern SECTION_LIST *section_list_find_by_name(const char *sname);
107    extern SECTION_LIST *section_list_find_by_sid(int32_t sid);
108    extern int get_section_index(SECTION_LIST *p_section);
109    
110  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);
111  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);
112    
113    extern int section_list_update_article_ontop(SECTION_LIST *p_section, ARTICLE *p_article);
114    extern int section_list_page_count_with_ontop(SECTION_LIST *p_section);
115    extern int section_list_page_article_count_with_ontop(SECTION_LIST *p_section, int32_t page_id);
116    
117  // *p_page, *p_offset will be set as page / offset of the article with aid in *p_section (including both visible and invisible articles)  // *p_page, *p_offset will be set as page / offset of the article with aid in *p_section (including both visible and invisible articles)
118  // *pp_next will be set as pointer to the next article of the article with aid  // *pp_next will be set as pointer to the next article of the article with aid
119  // *pp_next will be set as head article of the section if the article with aid locates at the tail of the section  // *pp_next will be set as head article of the section if the article with aid locates at the tail of the section
120  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);  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);
121    
122  extern int section_list_calculate_page(SECTION_LIST *p_section, int32_t start_aid);  extern int section_list_calculate_page(SECTION_LIST *p_section, int32_t start_aid);
 extern int section_list_count_of_topic_articles(int32_t aid);  
123  extern int section_list_move_topic(SECTION_LIST *p_section_src, SECTION_LIST *p_section_dest, int32_t aid);  extern int section_list_move_topic(SECTION_LIST *p_section_src, SECTION_LIST *p_section_dest, int32_t aid);
124    
125    extern int section_list_try_rd_lock(SECTION_LIST *p_section, int wait_sec);
126    extern int section_list_try_rw_lock(SECTION_LIST *p_section, int wait_sec);
127    extern int section_list_rd_unlock(SECTION_LIST *p_section);
128    extern int section_list_rw_unlock(SECTION_LIST *p_section);
129    extern int section_list_rd_lock(SECTION_LIST *p_section);
130    extern int section_list_rw_lock(SECTION_LIST *p_section);
131    
132    #endif //_SECTION_LIST_H_

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