/
errors.go
53 lines (44 loc) · 1.49 KB
/
errors.go
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
// Copyright (c) DataStax, Inc.
//
// 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 proxycore
import (
"errors"
"fmt"
"io"
"strings"
"syscall"
"github.com/datastax/go-cassandra-native-protocol/message"
)
var (
StreamsExhausted = errors.New("streams exhausted")
AuthExpected = errors.New("authentication required, but no authenticator provided")
ProtocolNotSupported = errors.New("required protocol version is not supported")
)
type UnexpectedResponse struct {
Expected []string
Received string
}
func (e *UnexpectedResponse) Error() string {
return fmt.Sprintf("expected %s response(s), got %s", strings.Join(e.Expected, ", "), e.Received)
}
type CqlError struct {
Message message.Error
}
func (e CqlError) Error() string {
return fmt.Sprintf("cql error: %v", e.Message)
}
func isCriticalErr(err error) bool {
// Anything that's not a temporary unavailability
return !errors.Is(err, io.EOF) && !errors.Is(err, syscall.ECONNREFUSED) && !errors.Is(err, syscall.ECONNRESET)
}