-#include <stdarg.h>
-#include <time.h>
-#include "storage_number.h"
-
#ifndef NETDATA_WEB_BUFFER_H
#define NETDATA_WEB_BUFFER_H 1
-#define WEB_DATA_LENGTH_INCREASE_STEP 16384
+#define WEB_DATA_LENGTH_INCREASE_STEP 1024
typedef struct web_buffer {
- size_t size; // allocation size of buffer
- size_t len; // current data length in buffer
- char *buffer; // the buffer
- uint8_t contenttype;
- uint8_t options;
- time_t date; // the date this content has been generated
+ size_t size; // allocation size of buffer, in bytes
+ size_t len; // current data length in buffer, in bytes
+ char *buffer; // the buffer itself
+ uint8_t contenttype; // the content type of the data in the buffer
+ uint8_t options; // options related to the content
+ time_t date; // the timestamp this content has been generated
+ time_t expires; // the timestamp this content expires
} BUFFER;
// options
-#define WB_CONTENT_CACHEABLE 1
-#define WB_CONTENT_NO_CACHEABLE 2
+#define WB_CONTENT_CACHEABLE 1
+#define WB_CONTENT_NO_CACHEABLE 2
// content-types
-#define CT_APPLICATION_JSON 1
-#define CT_TEXT_PLAIN 2
-#define CT_TEXT_HTML 3
-#define CT_APPLICATION_X_JAVASCRIPT 4
-#define CT_TEXT_CSS 5
-#define CT_TEXT_XML 6
-#define CT_APPLICATION_XML 7
-#define CT_TEXT_XSL 8
-#define CT_APPLICATION_OCTET_STREAM 9
-#define CT_APPLICATION_X_FONT_TRUETYPE 10
-#define CT_APPLICATION_X_FONT_OPENTYPE 11
-#define CT_APPLICATION_FONT_WOFF 12
-#define CT_APPLICATION_FONT_WOFF2 13
-#define CT_APPLICATION_VND_MS_FONTOBJ 14
-#define CT_IMAGE_SVG_XML 15
-#define CT_IMAGE_PNG 16
-#define CT_IMAGE_JPG 17
-#define CT_IMAGE_GIF 18
-#define CT_IMAGE_XICON 19
-#define CT_IMAGE_ICNS 20
-#define CT_IMAGE_BMP 21
+#define CT_APPLICATION_JSON 1
+#define CT_TEXT_PLAIN 2
+#define CT_TEXT_HTML 3
+#define CT_APPLICATION_X_JAVASCRIPT 4
+#define CT_TEXT_CSS 5
+#define CT_TEXT_XML 6
+#define CT_APPLICATION_XML 7
+#define CT_TEXT_XSL 8
+#define CT_APPLICATION_OCTET_STREAM 9
+#define CT_APPLICATION_X_FONT_TRUETYPE 10
+#define CT_APPLICATION_X_FONT_OPENTYPE 11
+#define CT_APPLICATION_FONT_WOFF 12
+#define CT_APPLICATION_FONT_WOFF2 13
+#define CT_APPLICATION_VND_MS_FONTOBJ 14
+#define CT_IMAGE_SVG_XML 15
+#define CT_IMAGE_PNG 16
+#define CT_IMAGE_JPG 17
+#define CT_IMAGE_GIF 18
+#define CT_IMAGE_XICON 19
+#define CT_IMAGE_ICNS 20
+#define CT_IMAGE_BMP 21
+#define CT_PROMETHEUS 22
+
+#define buffer_cacheable(wb) do { (wb)->options |= WB_CONTENT_CACHEABLE; if((wb)->options & WB_CONTENT_NO_CACHEABLE) (wb)->options &= ~WB_CONTENT_NO_CACHEABLE; } while(0)
+#define buffer_no_cacheable(wb) do { (wb)->options |= WB_CONTENT_NO_CACHEABLE; if((wb)->options & WB_CONTENT_CACHEABLE) (wb)->options &= ~WB_CONTENT_CACHEABLE; (wb)->expires = 0; } while(0)
#define buffer_strlen(wb) ((wb)->len)
extern const char *buffer_tostring(BUFFER *wb);
#define buffer_need_bytes(buffer, needed_free_size) do { if(unlikely((buffer)->size - (buffer)->len < (size_t)(needed_free_size))) buffer_increase((buffer), (size_t)(needed_free_size)); } while(0)
-#define buffer_flush(wb) wb->buffer[wb->len = 0] = '\0'
+#define buffer_flush(wb) wb->buffer[(wb)->len = 0] = '\0'
extern void buffer_reset(BUFFER *wb);
extern void buffer_strcat(BUFFER *wb, const char *txt);
extern void buffer_date(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);
extern void buffer_jsdate(BUFFER *wb, int year, int month, int day, int hours, int minutes, int seconds);
-extern BUFFER *buffer_create(long size);
+extern BUFFER *buffer_create(size_t size);
extern void buffer_free(BUFFER *b);
extern void buffer_increase(BUFFER *b, size_t free_size_required);
-extern void buffer_snprintf(BUFFER *wb, size_t len, const char *fmt, ...);
+extern void buffer_snprintf(BUFFER *wb, size_t len, const char *fmt, ...) PRINTFLIKE(3, 4);
extern void buffer_vsprintf(BUFFER *wb, const char *fmt, va_list args);
-extern void buffer_sprintf(BUFFER *wb, const char *fmt, ...);
+extern void buffer_sprintf(BUFFER *wb, const char *fmt, ...) PRINTFLIKE(2,3);
+extern void buffer_strcat_htmlescape(BUFFER *wb, const char *txt);
extern void buffer_char_replace(BUFFER *wb, char from, char to);
+extern char *print_number_lu_r(char *str, unsigned long uvalue);
+extern char *print_number_llu_r(char *str, unsigned long long uvalue);
+
+extern void buffer_print_llu(BUFFER *wb, unsigned long long uvalue);
+
#endif /* NETDATA_WEB_BUFFER_H */
projects / netdata.git / blobdiff