Improved healthcheck, idlewatcher support for loadbalanced routes, bug fixes

internal/watcher/health/json.go

@@ -0,0 +1,30 @@
+package health
+
+import (
+	"encoding/json"
+	"time"
+
+	"github.com/yusing/go-proxy/internal/net/types"
+)
+
+type JSONRepresentation struct {
+	Name    string
+	Config  *HealthCheckConfig
+	Status  Status
+	Started time.Time
+	Uptime  time.Duration
+	URL     types.URL
+	Extra   map[string]any
+}
+
+func (jsonRepr *JSONRepresentation) MarshalJSON() ([]byte, error) {
+	return json.Marshal(map[string]any{
+		"name":    jsonRepr.Name,
+		"config":  jsonRepr.Config,
+		"started": jsonRepr.Started.Unix(),
+		"status":  jsonRepr.Status.String(),
+		"uptime":  jsonRepr.Uptime.Seconds(),
+		"url":     jsonRepr.URL.String(),
+		"extra":   jsonRepr.Extra,
+	})
+}