3 #include "storage_number.h"
5 #ifndef NETDATA_WEB_BUFFER_H
6 #define NETDATA_WEB_BUFFER_H 1
8 #define WEB_DATA_LENGTH_INCREASE_STEP 16384
10 typedef struct web_buffer {
11 long size; // allocation size of buffer
12 long len; // current data length in buffer
13 char *buffer; // the buffer
15 time_t date; // the date this content has been generated
19 #define CT_APPLICATION_JSON 1
20 #define CT_TEXT_PLAIN 2
21 #define CT_TEXT_HTML 3
22 #define CT_APPLICATION_X_JAVASCRIPT 4
25 #define CT_APPLICATION_XML 7
27 #define CT_APPLICATION_OCTET_STREAM 9
28 #define CT_APPLICATION_X_FONT_TRUETYPE 10
29 #define CT_APPLICATION_X_FONT_OPENTYPE 11
30 #define CT_APPLICATION_FONT_WOFF 12
31 #define CT_APPLICATION_VND_MS_FONTOBJ 13
32 #define CT_IMAGE_SVG_XML 14
34 #define buffer_strlen(wb) ((wb)->len)
35 extern const char *buffer_tostring(BUFFER *wb);
37 #define buffer_need_bytes(buffer, needed_free_size) do { if(unlikely((buffer)->size - (buffer)->len < (long)(needed_free_size))) buffer_increase((buffer), (long)(needed_free_size)); } while(0)
39 #define buffer_flush(wb) wb->buffer[wb->len = 0] = '\0'
40 extern void buffer_reset(BUFFER *wb);
42 extern void buffer_strcat(BUFFER *wb, const char *txt);
43 extern void buffer_rrd_value(BUFFER *wb, calculated_number value);
45 extern void buffer_date(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);
46 extern void buffer_jsdate(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);
48 extern BUFFER *buffer_create(long size);
49 extern void buffer_free(BUFFER *b);
50 extern void buffer_increase(BUFFER *b, long free_size_required);
52 extern void buffer_snprintf(BUFFER *wb, size_t len, const char *fmt, ...);
53 extern void buffer_vsprintf(BUFFER *wb, const char *fmt, va_list args);
54 extern void buffer_sprintf(BUFFER *wb, const char *fmt, ...);
56 extern void buffer_char_replace(BUFFER *wb, char from, char to);
58 #endif /* NETDATA_WEB_BUFFER_H */