/[LeafOK_CVS]/lbbs/include/section_list.h
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Diff of /lbbs/include/section_list.h

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Revision 1.4 by sysadm, Wed May 21 12:43:04 2025 UTC Revision 1.10 by sysadm, Sat May 24 03:32:32 2025 UTC
# Line 18  Line 18 
18  #include "bbs.h"  #include "bbs.h"
19    
20  #define BBS_article_title_max_len 80  #define BBS_article_title_max_len 80
21    #define BBS_article_limit_per_section 50000
22    #define BBS_article_limit_per_page 20
23    
24  // Limit of articles (including those marked as deleted) per section = BBS_article_limit_per_block * BBS_article_block_limit_per_section  #define ARTICLE_PER_BLOCK 1000
 #define BBS_article_limit_per_block 1000  
 #define BBS_article_block_limit_per_section 50  
25    
26  struct article_t  struct article_t
27  {  {
28          int32_t aid;          int32_t aid;
29          int32_t tid;          int32_t tid;
30            int32_t sid;
31          int32_t cid;          int32_t cid;
32          int32_t uid;          int32_t uid;
33          struct article_t *p_prior; // prior article          struct article_t *p_prior;               // prior article
34          struct article_t *p_next; // next article          struct article_t *p_next;                // next article
35          struct article_t * p_topic_prior; // same topic          struct article_t *p_topic_prior; // same topic
36          struct article_t * p_topic_next; // same topic          struct article_t *p_topic_next;  // same topic
37          int8_t visible;          int8_t visible;
38          int8_t excerption;          int8_t excerption;
39          int8_t ontop;          int8_t ontop;
# Line 43  struct article_t Line 44  struct article_t
44  };  };
45  typedef struct article_t ARTICLE;  typedef struct article_t ARTICLE;
46    
47  struct article_block_t  struct section_list_t
 {  
         ARTICLE articles[BBS_article_limit_per_block];  
         int32_t article_count;  
         struct article_block_t *p_next_block;  
 };  
 typedef struct article_block_t ARTICLE_BLOCK;  
   
 struct section_data_t  
48  {  {
49          int32_t sid;          int32_t sid;
50          char sname[BBS_section_name_max_len + 1];          char sname[BBS_section_name_max_len + 1];
51          char stitle[BBS_section_title_max_len + 1];          char stitle[BBS_section_title_max_len + 1];
52          char master_name[BBS_username_max_len + 1];          char master_name[BBS_username_max_len + 1];
         ARTICLE_BLOCK *p_head_block;  
         ARTICLE_BLOCK *p_tail_block;  
         ARTICLE_BLOCK *p_block[BBS_article_block_limit_per_section];  
         int32_t block_count;  
         int32_t block_head_aid[BBS_article_block_limit_per_section];  
53          int32_t article_count;          int32_t article_count;
54          int32_t delete_count;          int32_t topic_count;
55            int32_t visible_article_count;
56            int32_t visible_topic_count;
57          ARTICLE *p_article_head;          ARTICLE *p_article_head;
58          ARTICLE *p_article_tail;          ARTICLE *p_article_tail;
59            ARTICLE *p_page_first_article[BBS_article_limit_per_section / BBS_article_limit_per_page];
60            int32_t page_count;
61            int32_t last_page_visible_article_count;
62  };  };
63  typedef struct section_data_t SECTION_DATA;  typedef struct section_list_t SECTION_LIST;
64    
65  extern int section_data_pool_init(const char *filename, int article_block_count);  // article_block_count * ARTICLE_PER_BLOCK should be
66  extern void section_data_pool_cleanup(void);  // no less than BBS_article_limit_per_section * BBS_max_section,
67    // in order to allocate enough memory for blocks
68    extern int article_block_init(const char *filename, int block_count);
69    extern void article_block_cleanup(void);
70    extern int article_block_reset(void);
71    
72    extern ARTICLE *article_block_find_by_aid(int32_t aid);
73    extern ARTICLE *article_block_find_by_index(int index);
74    
75    extern int article_count_of_topic(int32_t aid);
76    
77    extern int section_list_pool_init(const char *filename);
78    extern void section_list_pool_cleanup(void);
79    
80    extern SECTION_LIST *section_list_create(int32_t sid, const char *sname, const char *stitle, const char *master_name);
81    extern void section_list_reset_articles(SECTION_LIST *p_section);
82    extern SECTION_LIST *section_list_find_by_name(const char *sname);
83    extern SECTION_LIST *section_list_find_by_sid(int32_t sid);
84    
85    extern int section_list_append_article(SECTION_LIST *p_section, const ARTICLE *p_article_src);
86    extern int section_list_set_article_visible(SECTION_LIST *p_section, int32_t aid, int8_t visible);
87    
88    // *p_page, *p_offset will be set as page / offset of the article with aid in *p_section (including both visible and invisible articles)
89    // *pp_next will be set as pointer to the next article of the article with aid
90    // *pp_next will be set as head article of the section if the article with aid locates at the tail of the section
91    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);
92    
93  extern SECTION_DATA *section_data_create(const char *sname, const char *stitle, const char *master_name);  extern int section_list_calculate_page(SECTION_LIST *p_section, int32_t start_aid);
94  extern int section_data_free_block(SECTION_DATA *p_section);  extern int section_list_move_topic(SECTION_LIST *p_section_src, SECTION_LIST *p_section_dest, int32_t aid);
 extern SECTION_DATA *section_data_find_section_by_name(const char *sname);  
   
 extern int section_data_append_article(SECTION_DATA *p_section, const ARTICLE *p_article_src);  
 extern ARTICLE *section_data_find_article_by_aid(SECTION_DATA *p_section, int32_t aid);  
 extern ARTICLE *section_data_find_article_by_index(SECTION_DATA *p_section, int index);  
 extern int section_data_mark_del_article(SECTION_DATA *p_section, int32_t aid);  

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