feat: kubesphere 4.0 (#6115)

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

* feat: kubesphere 4.0

Signed-off-by: ci-bot <ci-bot@kubesphere.io>

---------

Signed-off-by: ci-bot <ci-bot@kubesphere.io>
Co-authored-by: ks-ci-bot <ks-ci-bot@example.com>
Co-authored-by: joyceliu <joyceliu@yunify.com>
This commit is contained in:
KubeSphere CI Bot
2024-09-06 11:05:52 +08:00
committed by GitHub
parent b5015ec7b9
commit 447a51f08b
8557 changed files with 546695 additions and 1146174 deletions

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# godropbox [![GoDoc](https://godoc.org/github.com/dropbox/godropbox?status.svg)](https://godoc.org/github.com/dropbox/godropbox) [![Actions Status](https://github.com/dropbox/godropbox/workflows/Test/badge.svg)](https://github.com/dropbox/godropbox/actions) [![Actions Status](https://github.com/dropbox/godropbox/workflows/Lint/badge.svg)](https://github.com/dropbox/godropbox/actions)
Common libraries for writing go services/applications on Linux servers.
### Requirements
* Go 1.13+
* Linux/x64
### Installation
``go get github.com/dropbox/godropbox``
### Documentation
See https://pkg.go.dev/github.com/dropbox/godropbox for modules documentation.

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// Package bitvector provides the implementation of a variable sized compact vector of bits
// which supports lookups, sets, appends, insertions, and deletions.
package bitvector
// A BitVector is a variable sized vector of bits. It supports
// lookups, sets, appends, insertions, and deletions.
//
// This class is not thread safe.
type BitVector struct {
data []byte
length int
}
// NewBitVector creates and initializes a new bit vector with length
// elements, using data as its initial contents.
func NewBitVector(data []byte, length int) *BitVector {
return &BitVector{
data: data,
length: length,
}
}
// Bytes returns a slice of the contents of the bit vector. If the caller changes the returned slice,
// the contents of the bit vector may change.
func (vector *BitVector) Bytes() []byte {
return vector.data
}
// Length returns the current number of elements in the bit vector.
func (vector *BitVector) Length() int {
return vector.length
}
// This function shifts a byte slice one bit lower (less significant).
// bit (either 1 or 0) contains the bit to put in the most significant
// position of the last byte in the slice.
// This returns the bit that was shifted off of the last byte.
func shiftLower(bit byte, b []byte) byte {
bit = bit << 7
for i := len(b) - 1; i >= 0; i-- {
newByte := b[i] >> 1
newByte |= bit
bit = (b[i] & 1) << 7
b[i] = newByte
}
return bit >> 7
}
// This function shifts a byte slice one bit higher (more significant).
// bit (either 1 or 0) contains the bit to put in the least significant
// position of the first byte in the slice.
// This returns the bit that was shifted off the last byte.
func shiftHigher(bit byte, b []byte) byte {
for i := 0; i < len(b); i++ {
newByte := b[i] << 1
newByte |= bit
bit = (b[i] & 0x80) >> 7
b[i] = newByte
}
return bit
}
// Returns the minimum number of bytes needed for storing the bit vector.
func (vector *BitVector) bytesLength() int {
lastBitIndex := vector.length - 1
lastByteIndex := lastBitIndex >> 3
return lastByteIndex + 1
}
// Panics if the given index is not within the bounds of the bit vector.
func (vector *BitVector) indexAssert(i int) {
if i < 0 || i >= vector.length {
panic("Attempted to access element outside buffer")
}
}
// Append adds a bit to the end of a bit vector.
func (vector *BitVector) Append(bit byte) {
index := uint32(vector.length)
vector.length++
if vector.bytesLength() > len(vector.data) {
vector.data = append(vector.data, 0)
}
byteIndex := index >> 3
byteOffset := index % 8
oldByte := vector.data[byteIndex]
var newByte byte
if bit == 1 {
newByte = oldByte | 1<<byteOffset
} else {
// Set all bits except the byteOffset
mask := byte(^(1 << byteOffset))
newByte = oldByte & mask
}
vector.data[byteIndex] = newByte
}
// Element returns the bit in the ith index of the bit vector.
// Returned value is either 1 or 0.
func (vector *BitVector) Element(i int) byte {
vector.indexAssert(i)
byteIndex := i >> 3
byteOffset := uint32(i % 8)
b := vector.data[byteIndex]
// Check the offset bit
return (b >> byteOffset) & 1
}
// Set changes the bit in the ith index of the bit vector to the value specified in
// bit.
func (vector *BitVector) Set(bit byte, index int) {
vector.indexAssert(index)
byteIndex := uint32(index >> 3)
byteOffset := uint32(index % 8)
oldByte := vector.data[byteIndex]
var newByte byte
if bit == 1 {
// turn on the byteOffset'th bit
newByte = oldByte | 1<<byteOffset
} else {
// turn off the byteOffset'th bit
removeMask := byte(^(1 << byteOffset))
newByte = oldByte & removeMask
}
vector.data[byteIndex] = newByte
}
// Insert inserts bit into the supplied index of the bit vector. All
// bits in positions greater than or equal to index before the call will
// be shifted up by one.
func (vector *BitVector) Insert(bit byte, index int) {
vector.indexAssert(index)
vector.length++
// Append an additional byte if necessary.
if vector.bytesLength() > len(vector.data) {
vector.data = append(vector.data, 0)
}
byteIndex := uint32(index >> 3)
byteOffset := uint32(index % 8)
var bitToInsert byte
if bit == 1 {
bitToInsert = 1 << byteOffset
}
oldByte := vector.data[byteIndex]
// This bit will need to be shifted into the next byte
leftoverBit := (oldByte & 0x80) >> 7
// Make masks to pull off the bits below and above byteOffset
// This mask has the byteOffset lowest bits set.
bottomMask := byte((1 << byteOffset) - 1)
// This mask has the 8 - byteOffset top bits set.
topMask := ^bottomMask
top := (oldByte & topMask) << 1
newByte := bitToInsert | (oldByte & bottomMask) | top
vector.data[byteIndex] = newByte
// Shift the rest of the bytes in the slice one higher, append
// the leftoverBit obtained above.
shiftHigher(leftoverBit, vector.data[byteIndex+1:])
}
// Delete removes the bit in the supplied index of the bit vector. All
// bits in positions greater than or equal to index before the call will
// be shifted down by one.
func (vector *BitVector) Delete(index int) {
vector.indexAssert(index)
vector.length--
byteIndex := uint32(index >> 3)
byteOffset := uint32(index % 8)
oldByte := vector.data[byteIndex]
// Shift all the bytes above the byte we're modifying, return the
// leftover bit to include in the byte we're modifying.
bit := shiftLower(0, vector.data[byteIndex+1:])
// Modify oldByte.
// At a high level, we want to select the bits above byteOffset,
// and shift them down by one, removing the bit at byteOffset.
// This selects the bottom bits
bottomMask := byte((1 << byteOffset) - 1)
// This selects the top (8 - byteOffset - 1) bits
topMask := byte(^((1 << (byteOffset + 1)) - 1))
// newTop is the top bits, shifted down one, combined with the leftover bit from shifting
// the other bytes.
newTop := (oldByte&topMask)>>1 | (bit << 7)
// newByte takes the bottom bits and combines with the new top.
newByte := (bottomMask & oldByte) | newTop
vector.data[byteIndex] = newByte
// The desired length is the byte index of the last element plus one,
// where the byte index of the last element is the bit index of the last
// element divided by 8.
byteLength := vector.bytesLength()
if byteLength < len(vector.data) {
vector.data = vector.data[:byteLength]
}
}

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Copyright (c) 2014 Dropbox, Inc.
All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.