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

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Revision 1.9 by sysadm, Sun Jun 1 14:33:50 2025 UTC Revision 1.12 by sysadm, Tue Jun 3 03:14:51 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 66  int article_cache_generate(const char *c Line 68  int article_cache_generate(const char *c
68          char header[ARTICLE_HEADER_MAX_LEN];          char header[ARTICLE_HEADER_MAX_LEN];
69          size_t header_len;          size_t header_len;
70          long header_line_cnt;          long header_line_cnt;
71            char content_f[ARTICLE_CONTENT_MAX_LEN];
72          char footer[ARTICLE_FOOTER_MAX_LEN];          char footer[ARTICLE_FOOTER_MAX_LEN];
73          size_t footer_len;          size_t footer_len;
74          long footer_line_cnt;          long footer_line_cnt;
# Line 115  int article_cache_generate(const char *c Line 118  int article_cache_generate(const char *c
118          header_len = strnlen(header, sizeof(header));          header_len = strnlen(header, sizeof(header));
119          footer_len = strnlen(footer, sizeof(footer));          footer_len = strnlen(footer, sizeof(footer));
120    
         cache.data_len = header_len + strlen(content);  
   
121          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);
122    
123            if (header_len != cache.line_offsets[header_line_cnt])
124            {
125                    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]);
126                    header_len = (size_t)cache.line_offsets[header_line_cnt];
127            }
128    
129            // Apply LML render to content body
130            cache.data_len = header_len + (size_t)lml_plain(content, content_f, ARTICLE_CONTENT_MAX_LEN);
131    
132          cache.line_total = header_line_cnt +          cache.line_total = header_line_cnt +
133                                             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);
134    
135            if (cache.data_len - header_len != (size_t)cache.line_offsets[cache.line_total])
136            {
137                    log_std("Body of article(aid=%d) is truncated from %ld to %ld\n",
138                                    p_article->aid, cache.data_len - header_len, cache.line_offsets[cache.line_total]);
139                    cache.data_len = header_len + (size_t)(cache.line_offsets[cache.line_total]);
140            }
141    
142          for (i = header_line_cnt; i <= cache.line_total; i++)          for (i = header_line_cnt; i <= cache.line_total; i++)
143          {          {
# Line 128  int article_cache_generate(const char *c Line 146  int article_cache_generate(const char *c
146    
147          footer_line_cnt = split_data_lines(footer, SCREEN_COLS, cache.line_offsets + cache.line_total, MAX_SPLIT_FILE_LINES - cache.line_total);          footer_line_cnt = split_data_lines(footer, SCREEN_COLS, cache.line_offsets + cache.line_total, MAX_SPLIT_FILE_LINES - cache.line_total);
148    
149            if (footer_len != cache.line_offsets[cache.line_total + footer_line_cnt])
150            {
151                    log_std("Footer of article(aid=%d) is truncated from %ld to %ld\n",
152                                    p_article->aid, footer_len, cache.line_offsets[cache.line_total + footer_line_cnt]);
153                    footer_len = (size_t)(cache.line_offsets[cache.line_total + footer_line_cnt]);
154            }
155    
156          for (i = 0; i <= footer_line_cnt; i++)          for (i = 0; i <= footer_line_cnt; i++)
157          {          {
158                  cache.line_offsets[cache.line_total + i] += (long)cache.data_len;                  cache.line_offsets[cache.line_total + i] += (long)cache.data_len;
# Line 149  int article_cache_generate(const char *c Line 174  int article_cache_generate(const char *c
174                  close(fd);                  close(fd);
175                  return -3;                  return -3;
176          }          }
177          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)
178          {          {
179                  log_error("write(%s, content) error (%d)\n", data_file, errno);                  log_error("write(%s, content) error (%d)\n", data_file, errno);
180                  close(fd);                  close(fd);

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