api/tracer.go

// Copyright 1999-2020 Alibaba Group Holding Ltd.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

package api

import (
	"github.com/pkg/errors"

	"github.com/alibaba/sentinel-golang/core/base"
	"github.com/alibaba/sentinel-golang/logging"
)

// TraceError records the provided error to the given SentinelEntry.
func TraceError(entry *base.SentinelEntry, err error) {
	defer func() {
		if e := recover(); e != nil {
			logging.Error(errors.Errorf("%+v", e), "Failed to api.TraceError()")
			return
		}
	}()
	if entry == nil || err == nil {
		return
	}

	entry.SetError(err)
}

func TraceCallee(entry *base.SentinelEntry, address string) {
	defer func() {
		if e := recover(); e != nil {
			logging.Error(errors.Errorf("%+v", e), "Failed to api.TraceCallee()")
			return
		}
	}()
	if entry == nil || address == "" {
		return
	}
	entry.SetPair("address", address)
}