/
transport_exception.go
104 lines (88 loc) · 2.4 KB
/
transport_exception.go
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/*
* Copyright (c) Meta Platforms, Inc. and affiliates.
*
* 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 thrift
import (
"errors"
"io"
)
type timeoutable interface {
Timeout() bool
}
// TransportException is the interface for transport exceptions
type TransportException interface {
Exception
TypeID() int
Err() error
}
const (
UNKNOWN_TRANSPORT_EXCEPTION = 0
NOT_OPEN = 1
ALREADY_OPEN = 2
TIMED_OUT = 3
END_OF_FILE = 4
INTERRUPTED = 5
BAD_ARGS = 6
CORRUPTED_DATA = 7
NOT_SUPPORTED = 9
INVALID_STATE = 10
INVALID_FRAME_SIZE = 11
SSL_ERROR = 12
COULD_NOT_BIND = 13
NETWORK_ERROR = 15
INVALID_HEADERS_TYPE = 16
)
type transportException struct {
typeID int
err error
}
func (p *transportException) TypeID() int {
return p.typeID
}
func (p *transportException) Error() string {
return p.err.Error()
}
// Unwrap is used for errors.Unwrap.
func (p *transportException) Unwrap() error {
return p.err
}
func (p *transportException) Err() error {
return p.err
}
// NewTransportException creates a new TransportException
func NewTransportException(t int, e string) TransportException {
return &transportException{typeID: t, err: errors.New(e)}
}
// NewTransportExceptionFromError creates a TransportException from an error
func NewTransportExceptionFromError(e error) TransportException {
if e == nil {
return nil
}
if t, ok := e.(TransportException); ok {
return t
}
switch v := e.(type) {
case TransportException:
return v
case timeoutable:
if v.Timeout() {
return &transportException{typeID: TIMED_OUT, err: e}
}
}
if e == io.EOF {
return &transportException{typeID: END_OF_FILE, err: e}
}
return &transportException{typeID: UNKNOWN_TRANSPORT_EXCEPTION, err: e}
}