Платформа ЦРНП "Мирокод" для разработки проектов
https://git.mirocod.ru
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.4 KiB
61 lines
1.4 KiB
// Copyright 2020 The Gitea Authors. All rights reserved. |
|
// Use of this source code is governed by a MIT-style |
|
// license that can be found in the LICENSE file. |
|
|
|
package queue |
|
|
|
// ByteFIFO defines a FIFO that takes a byte array |
|
type ByteFIFO interface { |
|
// Len returns the length of the fifo |
|
Len() int64 |
|
// PushFunc pushes data to the end of the fifo and calls the callback if it is added |
|
PushFunc(data []byte, fn func() error) error |
|
// Pop pops data from the start of the fifo |
|
Pop() ([]byte, error) |
|
// Close this fifo |
|
Close() error |
|
} |
|
|
|
// UniqueByteFIFO defines a FIFO that Uniques its contents |
|
type UniqueByteFIFO interface { |
|
ByteFIFO |
|
// Has returns whether the fifo contains this data |
|
Has(data []byte) (bool, error) |
|
} |
|
|
|
var _ (ByteFIFO) = &DummyByteFIFO{} |
|
|
|
// DummyByteFIFO represents a dummy fifo |
|
type DummyByteFIFO struct{} |
|
|
|
// PushFunc returns nil |
|
func (*DummyByteFIFO) PushFunc(data []byte, fn func() error) error { |
|
return nil |
|
} |
|
|
|
// Pop returns nil |
|
func (*DummyByteFIFO) Pop() ([]byte, error) { |
|
return []byte{}, nil |
|
} |
|
|
|
// Close returns nil |
|
func (*DummyByteFIFO) Close() error { |
|
return nil |
|
} |
|
|
|
// Len is always 0 |
|
func (*DummyByteFIFO) Len() int64 { |
|
return 0 |
|
} |
|
|
|
var _ (UniqueByteFIFO) = &DummyUniqueByteFIFO{} |
|
|
|
// DummyUniqueByteFIFO represents a dummy unique fifo |
|
type DummyUniqueByteFIFO struct { |
|
DummyByteFIFO |
|
} |
|
|
|
// Has always returns false |
|
func (*DummyUniqueByteFIFO) Has([]byte) (bool, error) { |
|
return false, nil |
|
}
|
|
|