kit/grpccodes/grpccodes.go

101 lines
3.1 KiB
Go

/*
Copyright 2023 The Dapr Authors
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 grpccodes
import (
"net/http"
"google.golang.org/grpc/codes"
)
// HTTPStatusFromCode converts a gRPC error code into the corresponding HTTP response status.
// https://github.com/grpc-ecosystem/grpc-gateway/blob/master/runtime/errors.go#L15
// See: https://github.com/googleapis/googleapis/blob/master/google/rpc/code.proto
func HTTPStatusFromCode(code codes.Code) int {
switch code {
case codes.OK:
return http.StatusOK
case codes.Canceled:
return http.StatusRequestTimeout
case codes.Unknown:
return http.StatusInternalServerError
case codes.InvalidArgument:
return http.StatusBadRequest
case codes.DeadlineExceeded:
return http.StatusGatewayTimeout
case codes.NotFound:
return http.StatusNotFound
case codes.AlreadyExists:
return http.StatusConflict
case codes.PermissionDenied:
return http.StatusForbidden
case codes.Unauthenticated:
return http.StatusUnauthorized
case codes.ResourceExhausted:
return http.StatusTooManyRequests
case codes.FailedPrecondition:
// Note, this deliberately doesn't translate to the similarly named '412 Precondition Failed' HTTP response status.
return http.StatusBadRequest
case codes.Aborted:
return http.StatusConflict
case codes.OutOfRange:
return http.StatusBadRequest
case codes.Unimplemented:
return http.StatusNotImplemented
case codes.Internal:
return http.StatusInternalServerError
case codes.Unavailable:
return http.StatusServiceUnavailable
case codes.DataLoss:
return http.StatusInternalServerError
default:
return http.StatusInternalServerError
}
}
// CodeFromHTTPStatus converts http status code to gRPC status code
// See: https://github.com/grpc/grpc/blob/master/doc/http-grpc-status-mapping.md
func CodeFromHTTPStatus(httpStatusCode int) codes.Code {
if httpStatusCode >= 200 && httpStatusCode < 300 {
return codes.OK
}
switch httpStatusCode {
case http.StatusRequestTimeout:
return codes.Canceled
case http.StatusInternalServerError:
return codes.Unknown
case http.StatusBadRequest:
return codes.Internal
case http.StatusGatewayTimeout:
return codes.DeadlineExceeded
case http.StatusNotFound:
return codes.NotFound
case http.StatusConflict:
return codes.AlreadyExists
case http.StatusForbidden:
return codes.PermissionDenied
case http.StatusUnauthorized:
return codes.Unauthenticated
case http.StatusTooManyRequests:
return codes.ResourceExhausted
case http.StatusNotImplemented:
return codes.Unimplemented
case http.StatusServiceUnavailable:
return codes.Unavailable
default:
return codes.Unknown
}
}