/[LeafOK_CVS]/lbbs/src/article_cache.c
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Revision 1.20 by sysadm, Tue Jun 17 13:29:58 2025 UTC Revision 1.25 by sysadm, Tue Sep 30 03:02:06 2025 UTC
# Line 15  Line 15 
15   ***************************************************************************/   ***************************************************************************/
16    
17  #include "article_cache.h"  #include "article_cache.h"
 #include "log.h"  
18  #include "lml.h"  #include "lml.h"
19    #include "log.h"
20  #include <errno.h>  #include <errno.h>
 #include <stdio.h>  
21  #include <fcntl.h>  #include <fcntl.h>
22    #include <stdio.h>
23  #include <stdlib.h>  #include <stdlib.h>
24    #include <string.h>
25    #include <time.h>
26  #include <unistd.h>  #include <unistd.h>
27  #include <sys/mman.h>  #include <sys/mman.h>
28  #include <sys/stat.h>  #include <sys/stat.h>
 #include <string.h>  
 #include <time.h>  
29    
30  #define ARTICLE_HEADER_MAX_LEN 4096  #define ARTICLE_HEADER_MAX_LEN 4096
31  #define ARTICLE_CONTENT_MAX_LEN 1024 * 1024 * 4 // 4MB  #define ARTICLE_CONTENT_MAX_LEN 1024 * 1024 * 4 // 4MB
# Line 43  static const char *BBS_article_footer_co Line 43  static const char *BBS_article_footer_co
43  };  };
44  static const int BBS_article_footer_color_count = 7;  static const int BBS_article_footer_color_count = 7;
45    
46    static char *content_f; // static buffer in large size
47    
48  inline static int article_cache_path(char *file_path, size_t buf_len, const char *cache_dir, const ARTICLE *p_article)  inline static int article_cache_path(char *file_path, size_t buf_len, const char *cache_dir, const ARTICLE *p_article)
49  {  {
50          if (file_path == NULL || cache_dir == NULL || p_article == NULL)          if (file_path == NULL || cache_dir == NULL || p_article == NULL)
# Line 59  inline static int article_cache_path(cha Line 61  inline static int article_cache_path(cha
61  int article_cache_generate(const char *cache_dir, const ARTICLE *p_article, const SECTION_LIST *p_section,  int article_cache_generate(const char *cache_dir, const ARTICLE *p_article, const SECTION_LIST *p_section,
62                                                     const char *content, const char *sub_ip, int overwrite)                                                     const char *content, const char *sub_ip, int overwrite)
63  {  {
         static char *content_f; // static buffer in large size  
   
64          char data_file[FILE_PATH_LEN];          char data_file[FILE_PATH_LEN];
65          int fd;          int fd;
66          ARTICLE_CACHE cache;          ARTICLE_CACHE cache;
# Line 113  int article_cache_generate(const char *c Line 113  int article_cache_generate(const char *c
113          localtime_r(&(p_article->sub_dt), &tm_sub_dt);          localtime_r(&(p_article->sub_dt), &tm_sub_dt);
114          strftime(str_sub_dt, sizeof(str_sub_dt), "%c", &tm_sub_dt);          strftime(str_sub_dt, sizeof(str_sub_dt), "%c", &tm_sub_dt);
115    
116          snprintf(header, sizeof(header), "发布者: %s (%s), 版块: %s (%s)\n标  题: %s\n发布于: %s (%s)\n\n",          snprintf(header, sizeof(header), "鍙戝竷鑰: %s (%s), 鐗堝潡: %s (%s)\n鏍  棰: %s\n鍙戝竷浜: %s (%s)\n\n",
117                           p_article->username, p_article->nickname, p_section->sname, p_section->stitle, p_article->title, BBS_name, str_sub_dt);                           p_article->username, p_article->nickname, p_section->sname, p_section->stitle, p_article->title, BBS_name, str_sub_dt);
118    
119          snprintf(footer, sizeof(footer),          snprintf(footer, sizeof(footer),
120                           "\n--\n%s※ 来源: %s http://%s [FROM: %s]\033[m\n\n",                           "\n--\n%s鈥 鏉ユ簮: %s http://%s [FROM: %s]\033[m\n\n",
121                           BBS_article_footer_color[p_article->aid % BBS_article_footer_color_count],                           BBS_article_footer_color[p_article->aid % BBS_article_footer_color_count],
122                           BBS_name, BBS_server, sub_ip);                           BBS_name, BBS_server, sub_ip);
123    
124          header_len = strnlen(header, sizeof(header));          header_len = strnlen(header, sizeof(header));
125          footer_len = strnlen(footer, sizeof(footer));          footer_len = strnlen(footer, sizeof(footer));
126    
127          header_line_cnt = split_data_lines(header, SCREEN_COLS, cache.line_offsets, MAX_SPLIT_FILE_LINES, 1);          header_line_cnt = split_data_lines(header, SCREEN_COLS, cache.line_offsets, MAX_SPLIT_FILE_LINES, 1, NULL);
128    
129          if (header_len != cache.line_offsets[header_line_cnt])          if (header_len != cache.line_offsets[header_line_cnt])
130          {          {
# Line 135  int article_cache_generate(const char *c Line 135  int article_cache_generate(const char *c
135          }          }
136    
137          // Apply LML render to content body          // Apply LML render to content body
138          cache.data_len = header_len + (size_t)lml_plain(content, content_f, ARTICLE_CONTENT_MAX_LEN);          cache.data_len = header_len + (size_t)lml_plain(content, content_f, ARTICLE_CONTENT_MAX_LEN, 1);
139    
140          cache.line_total = header_line_cnt +          cache.line_total = header_line_cnt +
141                                             split_data_lines(content_f, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt, 1);                                             split_data_lines(content_f, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt, 1, NULL);
142    
143          if (cache.data_len - header_len != (size_t)cache.line_offsets[cache.line_total])          if (cache.data_len - header_len != (size_t)cache.line_offsets[cache.line_total])
144          {          {
# Line 154  int article_cache_generate(const char *c Line 154  int article_cache_generate(const char *c
154                  cache.line_offsets[i] += (long)header_len;                  cache.line_offsets[i] += (long)header_len;
155          }          }
156    
157          footer_line_cnt = split_data_lines(footer, SCREEN_COLS, cache.line_offsets + cache.line_total, MAX_SPLIT_FILE_LINES - cache.line_total, 1);          footer_line_cnt = split_data_lines(footer, SCREEN_COLS, cache.line_offsets + cache.line_total, MAX_SPLIT_FILE_LINES - cache.line_total, 1, NULL);
158    
159          if (footer_len != cache.line_offsets[cache.line_total + footer_line_cnt])          if (footer_len != cache.line_offsets[cache.line_total + footer_line_cnt])
160          {          {
# Line 208  int article_cache_generate(const char *c Line 208  int article_cache_generate(const char *c
208          return 0;          return 0;
209  }  }
210    
211    void article_cache_cleanup(void)
212    {
213            if (content_f)
214            {
215                    free(content_f);
216                    content_f = NULL;
217            }
218    }
219    
220  int article_cache_load(ARTICLE_CACHE *p_cache, const char *cache_dir, const ARTICLE *p_article)  int article_cache_load(ARTICLE_CACHE *p_cache, const char *cache_dir, const ARTICLE *p_article)
221  {  {
222          char data_file[FILE_PATH_LEN];          char data_file[FILE_PATH_LEN];

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