From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 10 Jul 2026 14:46:19 +0000 (+0000)
Subject: graphs: knot-resolver: Add a transports graph
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=2338d1f942bff168cae5e091ee3e060e70aef6d1;p=telemetry.git

graphs: knot-resolver: Add a transports graph

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/colors.h b/src/daemon/colors.h
index cd21ed1..ba44238 100644
--- a/src/daemon/colors.h
+++ b/src/daemon/colors.h
@@ -114,6 +114,9 @@
 #define COLOR_UDP				COLOR_COOL_CYAN
 #define COLOR_ICMP				COLOR_YELLOW_GOLD
 #define COLOR_IP_FRAG			COLOR_YELLOW_GOLD
+#define COLOR_DOT				COLOR_VIOLET_BLUE
+#define COLOR_DOH				COLOR_VIVID_VIOLET
+#define COLOR_DOQ				COLOR_PURPLE_MAGENTA
 
 // Firewall, IPS, etc.
 #define COLOR_ACCEPT			COLOR_CLEAN_GREEN
diff --git a/src/daemon/graphs.c b/src/daemon/graphs.c
index 5d8e6b1..0b9b5fa 100644
--- a/src/daemon/graphs.c
+++ b/src/daemon/graphs.c
@@ -96,6 +96,7 @@ static const td_graph_impl* graph_impls[] = {
 	// Knot Resolver
 	&knot_resolver_queries_graph,
 	&knot_resolver_cache_graph,
+	&knot_resolver_transports_graph,
 
 	// Unbound
 	&unbound_cache_performance_graph,
diff --git a/src/daemon/graphs/knot-resolver.c b/src/daemon/graphs/knot-resolver.c
index aab50bb..1793fc5 100644
--- a/src/daemon/graphs/knot-resolver.c
+++ b/src/daemon/graphs/knot-resolver.c
@@ -122,3 +122,69 @@ const td_graph_impl knot_resolver_cache_graph = {
 	.lower_limit = 0,
 	.upper_limit = LONG_MAX,
 };
+
+// Transports
+
+static int knot_resolver_transports_title(td_ctx* ctx, td_graph* graph,
+		const char* object, char* title, size_t length) {
+	return __td_string_set(title, length, _("Transports"));
+}
+
+static int knot_resolver_transports_render(td_ctx* ctx, td_graph* graph,
+		const td_graph_render_options* options, td_args* args, const char* object) {
+	int r;
+
+	// Load all sources
+	r = td_graph_load_source(graph, args, "knot-resolver", NULL);
+	if (r < 0)
+		return r;
+
+	// Draw the stacked backgrounds first
+	DRAW_AREA_BACKGROUND(args, "request_doq", NULL, COLOR_DOQ, 0);
+	DRAW_AREA_BACKGROUND(args, "request_doh", NULL, COLOR_DOH, STACKED);
+	DRAW_AREA_BACKGROUND(args, "request_dot", NULL, COLOR_DOT, STACKED);
+	DRAW_AREA_BACKGROUND(args, "request_tcp", NULL, COLOR_TCP, STACKED);
+	DRAW_AREA_BACKGROUND(args, "request_udp", NULL, COLOR_UDP, STACKED);
+
+	// Draw the area outlines afterwards
+	DRAW_AREA_OUTLINE_WITH_LABEL(args, "request_doq", NULL, COLOR_DOQ, 0, _("QUIC"));
+	PRINT_CAMM(args, "request_doq", NULL, QPS, QPS_UNIT);
+
+	DRAW_AREA_OUTLINE_WITH_LABEL(args, "request_doh", NULL, COLOR_DOH, STACKED, _("HTTPS"));
+	PRINT_CAMM(args, "request_doh", NULL, QPS, QPS_UNIT);
+
+	DRAW_AREA_OUTLINE_WITH_LABEL(args, "request_dot", NULL, COLOR_DOT, STACKED, _("TLS"));
+	PRINT_CAMM(args, "request_dot", NULL, QPS, QPS_UNIT);
+
+	DRAW_AREA_OUTLINE_WITH_LABEL(args, "request_tcp", NULL, COLOR_TCP, STACKED, _("TCP"));
+	PRINT_CAMM(args, "request_tcp", NULL, QPS, QPS_UNIT);
+
+	DRAW_AREA_OUTLINE_WITH_LABEL(args, "request_udp", NULL, COLOR_UDP, STACKED, _("UDP"));
+	PRINT_CAMM(args, "request_udp", NULL, QPS, QPS_UNIT);
+
+	PRINT_EMPTY_LINE(args);
+
+	// Show the total queries
+	PRINT_LABEL(args, _("Total"));
+	PRINT_CAMM(args, "request_total", NULL, QPS, QPS_UNIT);
+
+	// Header
+	PRINT_HEADER4(args, _("Current"), _("Average"), _("Minimum"), _("Maximum"));
+
+	return 0;
+}
+
+const td_graph_impl knot_resolver_transports_graph = {
+	.name        = "KnotResolverTransports",
+	.can_render  = knot_resolver_can_render,
+	.render      = knot_resolver_transports_render,
+	.title       = knot_resolver_transports_title,
+	.vlabel      = td_graph_vlabel_qps,
+
+	// Flags
+	.flags   = TELEMETRY_GRAPH_REVERSE,
+
+	// Limits
+	.lower_limit = 0,
+	.upper_limit = LONG_MAX,
+};
diff --git a/src/daemon/graphs/knot-resolver.h b/src/daemon/graphs/knot-resolver.h
index 15cb165..9a998d3 100644
--- a/src/daemon/graphs/knot-resolver.h
+++ b/src/daemon/graphs/knot-resolver.h
@@ -25,5 +25,6 @@
 
 extern const td_graph_impl knot_resolver_queries_graph;
 extern const td_graph_impl knot_resolver_cache_graph;
+extern const td_graph_impl knot_resolver_transports_graph;
 
 #endif /* TELEMETRY_GRAPH_KNOT_RESOLVER_H */