modules reorganized and code refactor

internal/route/entry/entry.go

@@ -0,0 +1,58 @@
+package entry
+
+import (
+	E "github.com/yusing/go-proxy/internal/error"
+	route "github.com/yusing/go-proxy/internal/route/types"
+)
+
+type Entry = route.Entry
+
+func ValidateEntry(m *route.RawEntry) (Entry, E.Error) {
+	scheme, err := route.NewScheme(m.Scheme)
+	if err != nil {
+		return nil, E.From(err)
+	}
+
+	var entry Entry
+	errs := E.NewBuilder("entry validation failed")
+	if scheme.IsStream() {
+		entry = validateStreamEntry(m, errs)
+	} else {
+		entry = validateRPEntry(m, scheme, errs)
+	}
+	if errs.HasError() {
+		return nil, errs.Error()
+	}
+	if !UseHealthCheck(entry) && (UseLoadBalance(entry) || UseIdleWatcher(entry)) {
+		return nil, E.New("healthCheck.disable cannot be true when loadbalancer or idlewatcher is enabled")
+	}
+	return entry, nil
+}
+
+func IsDocker(entry Entry) bool {
+	iw := entry.IdlewatcherConfig()
+	return iw != nil && iw.ContainerID != ""
+}
+
+func IsZeroPort(entry Entry) bool {
+	return entry.TargetURL().Port() == "0"
+}
+
+func ShouldNotServe(entry Entry) bool {
+	return IsZeroPort(entry) && !UseIdleWatcher(entry)
+}
+
+func UseLoadBalance(entry Entry) bool {
+	lb := entry.LoadBalanceConfig()
+	return lb != nil && lb.Link != ""
+}
+
+func UseIdleWatcher(entry Entry) bool {
+	iw := entry.IdlewatcherConfig()
+	return iw != nil && iw.IdleTimeout > 0
+}
+
+func UseHealthCheck(entry Entry) bool {
+	hc := entry.HealthCheckConfig()
+	return hc != nil && !hc.Disable
+}