From: Michael Tremer <michael.tremer@ipfire.org>
Date: Wed, 22 Oct 2025 17:41:53 +0000 (+0000)
Subject: metrics: Add support for bool
X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7a397bb355228edb19edf7df9f8481dc325d9233;p=telemetry.git

metrics: Add support for bool

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

diff --git a/src/daemon/metrics.c b/src/daemon/metrics.c
index 1e90d3d..e61ff68 100644
--- a/src/daemon/metrics.c
+++ b/src/daemon/metrics.c
@@ -37,6 +37,9 @@ typedef struct td_metric {
 
 	// Value
 	union {
+		// TD_METRIC_BOOL
+		int _bool;
+
 		// TD_METRIC_INT64
 		int64_t _int64;
 
@@ -238,6 +241,12 @@ static int __td_metrics_format_value(td_metrics* self,
 		case TD_METRIC_UNKNOWN:
 			return __td_string_set(value, length, "U");
 
+		case TD_METRIC_BOOL:
+			if (metric->value._bool)
+				return __td_string_set(value, length, "1");
+			else
+				return __td_string_set(value, length, "0");
+
 		case TD_METRIC_INT64:
 			return __td_string_format(value, length, "%ld", metric->value._int64);
 
@@ -336,6 +345,10 @@ static int td_metrics_push_value(td_metrics* self,
 		case TD_METRIC_UNKNOWN:
 			break;
 
+		case TD_METRIC_BOOL:
+			metric->value._bool = *(int*)value;
+			break;
+
 		case TD_METRIC_INT64:
 			metric->value._int64 = *(int64_t*)value;
 			break;
@@ -352,6 +365,10 @@ static int td_metrics_push_value(td_metrics* self,
 	return 0;
 }
 
+int td_metrics_push_bool(td_metrics* self, const char* field, int value) {
+	return td_metrics_push_value(self, field, TD_METRIC_BOOL, &value);
+}
+
 int td_metrics_push_int64(td_metrics* self, const char* field, int64_t value) {
 	return td_metrics_push_value(self, field, TD_METRIC_INT64, &value);
 }
@@ -406,6 +423,10 @@ int __td_metrics_serialize(td_metrics* self, char* buffer, size_t length) {
 				bytes_written = snprintf(p, bytes_left, ":U");
 				break;
 
+			case TD_METRIC_BOOL:
+				bytes_written = snprintf(p, bytes_left, ":%c", (metric->value._bool) ? '1' : '0');
+				break;
+
 			case TD_METRIC_INT64:
 				bytes_written = snprintf(p, bytes_left, ":%ld", metric->value._int64);
 				break;
diff --git a/src/daemon/metrics.h b/src/daemon/metrics.h
index 046f966..e70d7be 100644
--- a/src/daemon/metrics.h
+++ b/src/daemon/metrics.h
@@ -25,6 +25,7 @@ typedef struct td_metrics td_metrics;
 
 typedef enum td_metric_type {
 	TD_METRIC_UNKNOWN = 0,
+	TD_METRIC_BOOL,
 	TD_METRIC_INT64,
 	TD_METRIC_UINT64,
 	TD_METRIC_FLOAT,
@@ -44,6 +45,7 @@ typedef struct td_metric_value {
 #define VALUES(...)					((const td_metric_value[]) { __VA_ARGS__, { NULL } })
 
 #define VALUE(field, type, value)	{ field, type, value }
+#define VALUE_BOOL(field, value)	VALUE(field, TD_METRIC_BOOL, value)
 #define VALUE_INT64(field, value)	VALUE(field, TD_METRIC_INT64, value)
 #define VALUE_UINT64(field, value)	VALUE(field, TD_METRIC_UINT64, value)
 #define VALUE_FLOAT(field, value)	VALUE(field, TD_METRIC_FLOAT, value)
@@ -63,6 +65,7 @@ const struct timeval* td_metrics_get_time(td_metrics* self);
 
 int td_metrics_dump(td_metrics* self);
 
+int td_metrics_push_bool(td_metrics* self, const char* field, int value);
 int td_metrics_push_int64(td_metrics* self, const char* field, int64_t value);
 int td_metrics_push_uint64(td_metrics* self, const char* field, uint64_t value);
 int td_metrics_push_float(td_metrics* self, const char* field, double value);