feat: publish standalone worker

Separate worker packaging and service lifecycle from the control plane.

checks/cudp/result.go

@@ -0,0 +1,39 @@
+package cudp
+
+import (
+	"strconv"
+	"strings"
+	"time"
+
+	"rsgit.ru/rsmon/rsmon/app/models"
+	"rsgit.ru/rsmon/rsmon/internal/checkresult"
+)
+
+// Result is the outcome of a single UDP check. It embeds
+// checkresult.CheckResult and adds the resolved address so logs /
+// metrics can show what was probed.
+type Result struct {
+	checkresult.CheckResult
+	RemoteAddr string
+}
+
+// InfluxFields reports the dial+probe duration in milliseconds — same
+// convention as chttp / cping / ctcp.
+func (r *Result) InfluxFields() map[string]interface{} {
+	ret := make(map[string]interface{}, 0)
+	ret["took"] = int64(r.Duration / time.Millisecond)
+	return ret
+}
+
+// InfluxTags returns the standard set of tags used by chttp / cping /
+// ctcp. The "state" tag is the final Result.State set by Perform().
+func (r *Result) InfluxTags(c models.Check) map[string]string { //nolint:gocritic // hugeParam: accepted for interface compatibility
+	ret := make(map[string]string, 0)
+	ret["check"] = strconv.FormatInt(c.ID, 10)
+	ret["state"] = r.State
+	if r.Error != nil {
+		ret["error"] = r.Error.Error()
+	}
+	ret["warnings"] = strings.Join(r.Warnings, ",")
+	return ret
+}