1 files changed, 42 insertions, 16 deletions

diff --git a/libnetdata/buffer/buffer.h b/libnetdata/buffer/buffer.h
index 0f1540287..26efe0070 100644
--- a/libnetdata/buffer/buffer.h
+++ b/libnetdata/buffer/buffer.h
@@ -97,7 +97,6 @@ typedef struct web_buffer {
 #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)
-const char *buffer_tostring(BUFFER *wb);
 
 #define BUFFER_OVERFLOW_EOF "EOF"
 
@@ -158,6 +157,16 @@ void buffer_json_initialize(BUFFER *wb, const char *key_quote, const char *value
 
 void buffer_json_finalize(BUFFER *wb);
 
+static const char *buffer_tostring(BUFFER *wb)
+{
+    buffer_need_bytes(wb, 1);
+    wb->buffer[wb->len] = '\0';
+
+    buffer_overflow_check(wb);
+
+    return(wb->buffer);
+}
+
 static inline void _buffer_json_depth_push(BUFFER *wb, BUFFER_JSON_NODE_TYPE type) {
 #ifdef NETDATA_INTERNAL_CHECKS
     assert(wb->json.depth <= BUFFER_JSON_MAX_DEPTH && "BUFFER JSON: max nesting reached");
@@ -249,20 +258,25 @@ static inline void buffer_strcat(BUFFER *wb, const char *txt) {
     buffer_overflow_check(wb);
 }
 
+static inline void buffer_contents_replace(BUFFER *wb, const char *txt, size_t len) {
+    wb->len = 0;
+    buffer_need_bytes(wb, len + 1);
+
+    memcpy(wb->buffer, txt, len);
+    wb->len = len;
+    wb->buffer[wb->len] = '\0';
+
+    buffer_overflow_check(wb);
+}
+
 static inline void buffer_strncat(BUFFER *wb, const char *txt, size_t len) {
     if(unlikely(!txt || !*txt)) return;
 
-    const char *t = txt;
     buffer_need_bytes(wb, len + 1);
-    char *s = &wb->buffer[wb->len];
-    char *d = s;
-    const char *e = &wb->buffer[wb->len + len];
 
-    while(*t && d < e)
-        *d++ = *t++;
-
-    wb->len += d - s;
+    memcpy(&wb->buffer[wb->len], txt, len);
 
+    wb->len += len;
     wb->buffer[wb->len] = '\0';
 
     buffer_overflow_check(wb);
@@ -944,10 +958,12 @@ typedef enum __attribute__((packed)) {
     RRDF_FIELD_OPTS_VISIBLE      = (1 << 1), // the field should be visible by default
     RRDF_FIELD_OPTS_STICKY       = (1 << 2), // the field should be sticky
     RRDF_FIELD_OPTS_FULL_WIDTH   = (1 << 3), // the field should get full width
-    RRDF_FIELD_OPTS_WRAP         = (1 << 4), // the field should get full width
+    RRDF_FIELD_OPTS_WRAP         = (1 << 4), // the field should wrap
+    RRDR_FIELD_OPTS_DUMMY        = (1 << 5), // not a presentable field
 } RRDF_FIELD_OPTIONS;
 
 typedef enum __attribute__((packed)) {
+    RRDF_FIELD_TYPE_NONE,
     RRDF_FIELD_TYPE_INTEGER,
     RRDF_FIELD_TYPE_STRING,
     RRDF_FIELD_TYPE_DETAIL_STRING,
@@ -960,6 +976,9 @@ typedef enum __attribute__((packed)) {
 static inline const char *rrdf_field_type_to_string(RRDF_FIELD_TYPE type) {
     switch(type) {
         default:
+        case RRDF_FIELD_TYPE_NONE:
+            return "none";
+
         case RRDF_FIELD_TYPE_INTEGER:
             return "integer";
 
@@ -984,10 +1003,11 @@ static inline const char *rrdf_field_type_to_string(RRDF_FIELD_TYPE type) {
 }
 
 typedef enum __attribute__((packed)) {
-    RRDF_FIELD_VISUAL_VALUE,    // show the value, possibly applying a transformation
-    RRDF_FIELD_VISUAL_BAR,      // show the value and a bar, respecting the max field to fill the bar at 100%
-    RRDF_FIELD_VISUAL_PILL,     //
-    RRDF_FIELD_VISUAL_MARKDOC,  //
+    RRDF_FIELD_VISUAL_VALUE,        // show the value, possibly applying a transformation
+    RRDF_FIELD_VISUAL_BAR,          // show the value and a bar, respecting the max field to fill the bar at 100%
+    RRDF_FIELD_VISUAL_PILL,         //
+    RRDF_FIELD_VISUAL_RICH,         //
+    RRDR_FIELD_VISUAL_ROW_OPTIONS,  // this is a dummy column that is used for row options
 } RRDF_FIELD_VISUAL;
 
 static inline const char *rrdf_field_visual_to_string(RRDF_FIELD_VISUAL visual) {
@@ -1002,8 +1022,11 @@ static inline const char *rrdf_field_visual_to_string(RRDF_FIELD_VISUAL visual)
         case RRDF_FIELD_VISUAL_PILL:
             return "pill";
 
-        case RRDF_FIELD_VISUAL_MARKDOC:
-            return "markdoc";
+        case RRDF_FIELD_VISUAL_RICH:
+            return "richValue";
+
+        case RRDR_FIELD_VISUAL_ROW_OPTIONS:
+            return "rowOptions";
     }
 }
 
@@ -1150,6 +1173,9 @@ buffer_rrdf_table_add_field(BUFFER *wb, size_t field_id, const char *key, const
 
         buffer_json_member_add_boolean(wb, "full_width", options & RRDF_FIELD_OPTS_FULL_WIDTH);
         buffer_json_member_add_boolean(wb, "wrap", options & RRDF_FIELD_OPTS_WRAP);
+
+        if(options & RRDR_FIELD_OPTS_DUMMY)
+            buffer_json_member_add_boolean(wb, "dummy", true);
     }
     buffer_json_object_close(wb);
 }