1 files changed, 70 insertions, 0 deletions
diff --git a/src/web_buffer.h b/src/web_buffer.h
new file mode 100755
index 000000000..58dd9c094
--- /dev/null
+++ b/src/web_buffer.h
@@ -0,0 +1,70 @@
+#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
+
+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
+} BUFFER;
+
+// options
+#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 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'
+extern void buffer_reset(BUFFER *wb);
+
+extern void buffer_strcat(BUFFER *wb, const char *txt);
+extern void buffer_rrd_value(BUFFER *wb, calculated_number value);
+
+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 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_vsprintf(BUFFER *wb, const char *fmt, va_list args);
+extern void buffer_sprintf(BUFFER *wb, const char *fmt, ...);
+
+extern void buffer_char_replace(BUFFER *wb, char from, char to);
+
+#endif /* NETDATA_WEB_BUFFER_H */