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#include <string.h> |
#include <string.h> |
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#define ARTICLE_HEADER_MAX_LEN 4096 |
#define ARTICLE_HEADER_MAX_LEN 4096 |
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#define ARTICLE_FOOTER_MAX_LEN 4096 |
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#define SUB_DT_MAX_LEN 50 |
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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) |
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{ |
{ |
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return 0; |
return 0; |
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} |
} |
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int article_cache_generate(const char *cache_dir, const ARTICLE *p_article, const SECTION_LIST *p_section, const char *content, int overwrite) |
int article_cache_generate(const char *cache_dir, const ARTICLE *p_article, const SECTION_LIST *p_section, |
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const char *content, const char *sub_ip, int overwrite) |
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{ |
{ |
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char data_file[FILE_PATH_LEN]; |
char data_file[FILE_PATH_LEN]; |
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int fd; |
int fd; |
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ARTICLE_CACHE cache; |
ARTICLE_CACHE cache; |
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struct tm tm_sub_dt; |
struct tm tm_sub_dt; |
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char str_sub_dt[50]; |
char str_sub_dt[SUB_DT_MAX_LEN + 1]; |
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char header[ARTICLE_HEADER_MAX_LEN]; |
char header[ARTICLE_HEADER_MAX_LEN]; |
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size_t header_len; |
size_t header_len; |
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long header_line_cnt; |
long header_line_cnt; |
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char footer[ARTICLE_FOOTER_MAX_LEN]; |
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size_t footer_len; |
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long footer_line_cnt; |
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long i; |
long i; |
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if (cache_dir == NULL || p_article == NULL || content == NULL) |
if (cache_dir == NULL || p_article == NULL || content == NULL) |
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bzero(&cache, sizeof(cache)); |
bzero(&cache, sizeof(cache)); |
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// Generate article header |
// Generate article header / footer |
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localtime_r(&(p_article->sub_dt), &tm_sub_dt); |
localtime_r(&(p_article->sub_dt), &tm_sub_dt); |
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strftime(str_sub_dt, sizeof(str_sub_dt), "%c", &tm_sub_dt); |
strftime(str_sub_dt, sizeof(str_sub_dt), "%c", &tm_sub_dt); |
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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), "发布者: %s (%s), 版块: %s (%s)\n标 题: %s\n发布于: %s (%s)\n\n", |
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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); |
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snprintf(footer, sizeof(footer), |
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"--\n※ 来源: %s http://%s [FROM: %s]\n", |
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BBS_name, BBS_server, sub_ip); |
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header_len = strnlen(header, sizeof(header)); |
header_len = strnlen(header, sizeof(header)); |
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footer_len = strnlen(footer, sizeof(footer)); |
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cache.data_len = header_len + strlen(content); |
cache.data_len = header_len + strlen(content); |
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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); |
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cache.line_total = header_line_cnt + |
cache.line_total = header_line_cnt + |
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split_data_lines(content, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt); |
split_data_lines(content, SCREEN_COLS, cache.line_offsets + header_line_cnt, MAX_SPLIT_FILE_LINES - header_line_cnt); |
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if (cache.line_total >= MAX_SPLIT_FILE_LINES) |
if (cache.line_total >= MAX_SPLIT_FILE_LINES) |
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{ |
{ |
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log_error("split_data_lines(%s) truncated over limit lines %d >= %d\n", data_file, cache.line_total, MAX_SPLIT_FILE_LINES); |
log_error("split_data_lines(%s) truncated over limit lines %d >= %d\n", data_file, cache.line_total, MAX_SPLIT_FILE_LINES); |
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cache.line_total = MAX_SPLIT_FILE_LINES - 1; |
return -3; |
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} |
} |
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for (i = header_line_cnt; i <= cache.line_total; i++) |
for (i = header_line_cnt; i <= cache.line_total; i++) |
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cache.line_offsets[i] += (long)header_len; |
cache.line_offsets[i] += (long)header_len; |
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} |
} |
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footer_line_cnt = split_data_lines(footer, SCREEN_COLS, cache.line_offsets + cache.line_total, MAX_SPLIT_FILE_LINES - cache.line_total); |
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if (cache.line_total + footer_line_cnt >= MAX_SPLIT_FILE_LINES) |
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{ |
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log_error("split_data_lines(%s) truncated over limit lines %d >= %d\n", data_file, cache.line_total + footer_line_cnt, MAX_SPLIT_FILE_LINES); |
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return -3; |
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} |
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for (i = 0; i <= footer_line_cnt; i++) |
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{ |
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cache.line_offsets[cache.line_total + i] += (long)cache.data_len; |
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} |
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cache.data_len += footer_len; |
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cache.line_total += footer_line_cnt; |
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if (write(fd, &cache, sizeof(cache)) == -1) |
if (write(fd, &cache, sizeof(cache)) == -1) |
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{ |
{ |
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log_error("write(%s, cache) error (%d)\n", data_file, errno); |
log_error("write(%s, cache) error (%d)\n", data_file, errno); |
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close(fd); |
close(fd); |
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return -3; |
return -3; |
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} |
} |
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if (write(fd, content, cache.data_len - header_len) == -1) |
if (write(fd, content, cache.data_len - header_len - footer_len) == -1) |
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{ |
{ |
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log_error("write(%s, content) error (%d)\n", data_file, errno); |
log_error("write(%s, content) error (%d)\n", data_file, errno); |
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close(fd); |
close(fd); |
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return -3; |
return -3; |
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} |
} |
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if (write(fd, footer, footer_len) == -1) |
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{ |
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log_error("write(%s, footer) error (%d)\n", data_file, errno); |
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close(fd); |
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return -3; |
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} |
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if (close(fd) == -1) |
if (close(fd) == -1) |
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{ |
{ |