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52 lines
1.6 KiB
Go
52 lines
1.6 KiB
Go
// Licensed to the LF AI & Data foundation under one
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// or more contributor license agreements. See the NOTICE file
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// distributed with this work for additional information
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// regarding copyright ownership. The ASF licenses this file
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// to you under the Apache License, Version 2.0 (the
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// "License"); you may not use this file except in compliance
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// with the License. You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package grpcclient
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import (
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"fmt"
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"github.com/cockroachdb/errors"
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)
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// ErrConnect is the instance for errors.Is target usage.
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var ErrConnect errConnect
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// make sure ErrConnect implements error.
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var _ error = errConnect{}
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// errConnect error instance returned when dial error returned.
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type errConnect struct {
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addr string
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err error
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}
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// Error implements error interface.
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func (e errConnect) Error() string {
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return fmt.Sprintf("failed to connect %s, reason: %s", e.addr, e.err.Error())
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}
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// Is checks err is ErrConnect to make errors.Is work.
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func (e errConnect) Is(err error) bool {
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var ce errConnect
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return errors.As(err, &ce)
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}
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// wrapErrConnect wrap connection error and related address to ErrConnect.
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func wrapErrConnect(addr string, err error) error {
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return errConnect{addr: addr, err: err}
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}
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