/[LeafOK_CVS]/lbbs/src/article_cache.c
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Diff of /lbbs/src/article_cache.c

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Revision 1.10 by sysadm, Mon Jun 2 10:33:25 2025 UTC Revision 1.16 by sysadm, Sat Jun 14 09:20:13 2025 UTC
# Line 16  Line 16 
16    
17  #include "article_cache.h"  #include "article_cache.h"
18  #include "log.h"  #include "log.h"
19    #include "lml.h"
20  #include <errno.h>  #include <errno.h>
21  #include <stdio.h>  #include <stdio.h>
22  #include <fcntl.h>  #include <fcntl.h>
# Line 28  Line 29 
29  #include <string.h>  #include <string.h>
30    
31  #define ARTICLE_HEADER_MAX_LEN 4096  #define ARTICLE_HEADER_MAX_LEN 4096
32    #define ARTICLE_CONTENT_MAX_LEN 1024 * 1024 * 4 // 4MB
33  #define ARTICLE_FOOTER_MAX_LEN 4096  #define ARTICLE_FOOTER_MAX_LEN 4096
34  #define SUB_DT_MAX_LEN 50  #define SUB_DT_MAX_LEN 50
35    
# Line 58  inline static int article_cache_path(cha Line 60  inline static int article_cache_path(cha
60  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,
61                                                     const char *content, const char *sub_ip, int overwrite)                                                     const char *content, const char *sub_ip, int overwrite)
62  {  {
63            static char *content_f; // static buffer in large size
64    
65          char data_file[FILE_PATH_LEN];          char data_file[FILE_PATH_LEN];
66          int fd;          int fd;
67          ARTICLE_CACHE cache;          ARTICLE_CACHE cache;
# Line 77  int article_cache_generate(const char *c Line 81  int article_cache_generate(const char *c
81                  return -1;                  return -1;
82          }          }
83    
84            if (content_f == NULL && (content_f = malloc(ARTICLE_CONTENT_MAX_LEN)) == NULL)
85            {
86                    log_error("malloc(content_f) error: OOM\n");
87                    return -1;
88            }
89    
90          if (article_cache_path(data_file, sizeof(data_file), cache_dir, p_article) < 0)          if (article_cache_path(data_file, sizeof(data_file), cache_dir, p_article) < 0)
91          {          {
92                  log_error("article_cache_path(dir=%s, cid=%d) error\n", cache_dir, p_article->cid);                  log_error("article_cache_path(dir=%s, cid=%d) error\n", cache_dir, p_article->cid);
# Line 108  int article_cache_generate(const char *c Line 118  int article_cache_generate(const char *c
118                           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);
119    
120          snprintf(footer, sizeof(footer),          snprintf(footer, sizeof(footer),
121                           "--\n%s¡ù À´Ô´: %s http://%s [FROM: %s]\033[m\n",                           "\n--\n%s¡ù À´Ô´: %s http://%s [FROM: %s]\033[m\n\n",
122                           BBS_article_footer_color[p_article->aid % BBS_article_footer_color_count],                           BBS_article_footer_color[p_article->aid % BBS_article_footer_color_count],
123                           BBS_name, BBS_server, sub_ip);                           BBS_name, BBS_server, sub_ip);
124    
125          header_len = strnlen(header, sizeof(header));          header_len = strnlen(header, sizeof(header));
126          footer_len = strnlen(footer, sizeof(footer));          footer_len = strnlen(footer, sizeof(footer));
127    
         cache.data_len = header_len + strlen(content);  
   
128          header_line_cnt = split_data_lines(header, SCREEN_COLS, cache.line_offsets, MAX_SPLIT_FILE_LINES);          header_line_cnt = split_data_lines(header, SCREEN_COLS, cache.line_offsets, MAX_SPLIT_FILE_LINES);
129    
130          if (header_len != cache.line_offsets[header_line_cnt])          if (header_len != cache.line_offsets[header_line_cnt])
131          {          {
132                  log_std("Header of article(aid=%d) is truncated from %ld to %ld\n", p_article->aid, header_len, cache.line_offsets[header_line_cnt]);                  log_common("Header of article(aid=%d) is truncated from %ld to %ld\n", p_article->aid, header_len, cache.line_offsets[header_line_cnt]);
133                  header_len = (size_t)cache.line_offsets[header_line_cnt];                  header_len = (size_t)cache.line_offsets[header_line_cnt];
134          }          }
135    
136            // Apply LML render to content body
137            cache.data_len = header_len + (size_t)lml_plain(content, content_f, ARTICLE_CONTENT_MAX_LEN);
138    
139          cache.line_total = header_line_cnt +          cache.line_total = header_line_cnt +
140                                             split_data_lines(content, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt);                                             split_data_lines(content_f, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt);
141    
142          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])
143          {          {
144                  log_std("Body of article(aid=%d) is truncated from %ld to %ld\n",                  log_common("Body of article(aid=%d) is truncated from %ld to %ld\n",
145                                  p_article->aid, cache.data_len - header_len, cache.line_offsets[cache.line_total]);                                  p_article->aid, cache.data_len - header_len, cache.line_offsets[cache.line_total]);
146                  cache.data_len = header_len + (size_t)(cache.line_offsets[cache.line_total]);                  cache.data_len = header_len + (size_t)(cache.line_offsets[cache.line_total]);
147          }          }
# Line 144  int article_cache_generate(const char *c Line 155  int article_cache_generate(const char *c
155    
156          if (footer_len != cache.line_offsets[cache.line_total + footer_line_cnt])          if (footer_len != cache.line_offsets[cache.line_total + footer_line_cnt])
157          {          {
158                  log_std("Footer of article(aid=%d) is truncated from %ld to %ld\n",                  log_common("Footer of article(aid=%d) is truncated from %ld to %ld\n",
159                                  p_article->aid, footer_len, cache.line_offsets[cache.line_total + footer_line_cnt]);                                  p_article->aid, footer_len, cache.line_offsets[cache.line_total + footer_line_cnt]);
160                  footer_len = (size_t)(cache.line_offsets[cache.line_total + footer_line_cnt]);                  footer_len = (size_t)(cache.line_offsets[cache.line_total + footer_line_cnt]);
161          }          }
# Line 170  int article_cache_generate(const char *c Line 181  int article_cache_generate(const char *c
181                  close(fd);                  close(fd);
182                  return -3;                  return -3;
183          }          }
184          if (write(fd, content, cache.data_len - header_len - footer_len) == -1)          if (write(fd, content_f, cache.data_len - header_len - footer_len) == -1)
185          {          {
186                  log_error("write(%s, content) error (%d)\n", data_file, errno);                  log_error("write(%s, content) error (%d)\n", data_file, errno);
187                  close(fd);                  close(fd);

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