blob: d32e0a6bbb9d7c3c212c67fed67dd203a048e7b6 [file] [log] [blame]
/*
* Copyright 2022-present Open Networking Foundation
* 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 vpagent Common Logger initialization
package vpagent
import (
"context"
"strings"
"github.com/opencord/voltha-lib-go/v7/pkg/log"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
func init() {
// Setup this package so that it's log level can be modified at run time
var err error
logger, err = log.RegisterPackage(log.JSON, log.ErrorLevel, log.Fields{})
if err != nil {
panic(err)
}
}
// IsConnCanceled returns true, if error is from a closed gRPC connection.
// ref. https://github.com/grpc/grpc-go/pull/1854
func isConnCanceled(err error) bool {
if err == nil {
return false
}
// >= gRPC v1.23.x
s, ok := status.FromError(err)
if ok {
// connection is canceled or server has already closed the connection
return s.Code() == codes.Canceled || s.Message() == "transport is closing"
}
e, ok := status.FromError(err)
if ok {
// connection is canceled or server has already closed the connection
return e.Code() == codes.Canceled || e.Message() == "all SubConns are in TransientFailure"
}
// >= gRPC v1.10.x
if err == context.Canceled {
return true
}
// <= gRPC v1.7.x returns 'errors.New("grpc: the client connection is closing")'
return strings.Contains(err.Error(), "grpc: the client connection is closing")
}