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error.go
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error.go
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// Copyright 2020 Douyu
//
// 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 xecho
import (
"net/http"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
)
var (
errBadRequest = status.Errorf(codes.InvalidArgument, createStatusErr(codeMSInvalidParam, "bad request"))
errMicroDefault = status.Errorf(codes.Internal, createStatusErr(codeMS, "micro default"))
errMicroInvoke = status.Errorf(codes.Internal, createStatusErr(codeMSInvoke, "invoke failed"))
errMicroInvokeLen = status.Errorf(codes.Internal, createStatusErr(codeMSInvokeLen, "invoke result not 2 item"))
errMicroInvokeInvalid = status.Errorf(codes.Internal, createStatusErr(codeMSSecondItemNotError, "second invoke res not a error"))
errMicroResInvalid = status.Errorf(codes.Internal, createStatusErr(codeMSResErr, "response is not valid"))
)
// HTTPError wraps handler error.
type HTTPError struct {
Code int
Message string
}
// NewHTTPError constructs a new HTTPError instance.
func NewHTTPError(code int, msg ...string) *HTTPError {
he := &HTTPError{Code: code, Message: http.StatusText(code)}
if len(msg) > 0 {
he.Message = msg[0]
}
return he
}
// Errord return error message.
func (e HTTPError) Error() string {
return e.Message
}
// ErrNotFound defines StatusNotFound error.
var ErrNotFound = HTTPError{
Code: http.StatusNotFound,
Message: "not found",
}
var (
// ErrGRPCResponseValid ...
ErrGRPCResponseValid = status.Errorf(codes.Internal, "response valid")
// ErrGRPCInvokeLen ...
ErrGRPCInvokeLen = status.Errorf(codes.Internal, "invoke request without len 2 res")
)