VOL-1558 Update vendored voltha-go and other items
Result of running dep ensure. golang openolt now
builds.
Also update dockerfile to used specific alpine version
Change-Id: I1e5407e25bb0636a241a0650d1e44e5df567f44b
diff --git a/vendor/github.com/boljen/go-bitmap/bitmap.go b/vendor/github.com/boljen/go-bitmap/bitmap.go
new file mode 100644
index 0000000..dfe5cc2
--- /dev/null
+++ b/vendor/github.com/boljen/go-bitmap/bitmap.go
@@ -0,0 +1,200 @@
+// Package bitmap implements (thread-safe) bitmap functions and abstractions.
+//
+// Installation
+//
+// go get github.com/boljen/go-bitmap
+package bitmap
+
+import "sync"
+
+var (
+ tA = [8]byte{1, 2, 4, 8, 16, 32, 64, 128}
+ tB = [8]byte{254, 253, 251, 247, 239, 223, 191, 127}
+)
+
+func dataOrCopy(d []byte, c bool) []byte {
+ if !c {
+ return d
+ }
+ ndata := make([]byte, len(d))
+ copy(ndata, d)
+ return ndata
+}
+
+// NewSlice creates a new byteslice with length l (in bits).
+// The actual size in bits might be up to 7 bits larger because
+// they are stored in a byteslice.
+func NewSlice(l int) []byte {
+ remainder := l % 8
+ if remainder != 0 {
+ remainder = 1
+ }
+ return make([]byte, l/8+remainder)
+}
+
+// Get returns the value of bit i from map m.
+// It doesn't check the bounds of the slice.
+func Get(m []byte, i int) bool {
+ return m[i/8]&tA[i%8] != 0
+}
+
+// Set sets bit i of map m to value v.
+// It doesn't check the bounds of the slice.
+func Set(m []byte, i int, v bool) {
+ index := i / 8
+ bit := i % 8
+ if v {
+ m[index] = m[index] | tA[bit]
+ } else {
+ m[index] = m[index] & tB[bit]
+ }
+}
+
+// GetBit returns the value of bit i of byte b.
+// The bit index must be between 0 and 7.
+func GetBit(b byte, i int) bool {
+ return b&tA[i] != 0
+}
+
+// SetBit sets bit i of byte b to value v.
+// The bit index must be between 0 and 7.
+func SetBit(b byte, i int, v bool) byte {
+ if v {
+ return b | tA[i]
+ }
+ return b & tB[i]
+}
+
+// SetBitRef sets bit i of byte *b to value v.
+func SetBitRef(b *byte, i int, v bool) {
+ if v {
+ *b = *b | tA[i]
+ } else {
+ *b = *b & tB[i]
+ }
+}
+
+// Len returns the length (in bits) of the provided byteslice.
+// It will always be a multipile of 8 bits.
+func Len(m []byte) int {
+ return len(m) * 8
+}
+
+// Bitmap is a byteslice with bitmap functions.
+// Creating one form existing data is as simple as bitmap := Bitmap(data).
+type Bitmap []byte
+
+// New creates a new Bitmap instance with length l (in bits).
+func New(l int) Bitmap {
+ return NewSlice(l)
+}
+
+// Len wraps around the Len function.
+func (b Bitmap) Len() int {
+ return Len(b)
+}
+
+// Get wraps around the Get function.
+func (b Bitmap) Get(i int) bool {
+ return Get(b, i)
+}
+
+// Set wraps around the Set function.
+func (b Bitmap) Set(i int, v bool) {
+ Set(b, i, v)
+}
+
+// Data returns the data of the bitmap.
+// If copy is false the actual underlying slice will be returned.
+func (b Bitmap) Data(copy bool) []byte {
+ return dataOrCopy(b, copy)
+}
+
+// Threadsafe implements thread-safe read- and write locking for the bitmap.
+type Threadsafe struct {
+ bm Bitmap
+ mu sync.RWMutex
+}
+
+// TSFromData creates a new Threadsafe using the provided data.
+// If copy is true the actual slice will be used.
+func TSFromData(data []byte, copy bool) *Threadsafe {
+ return &Threadsafe{
+ bm: Bitmap(dataOrCopy(data, copy)),
+ }
+}
+
+// NewTS creates a new Threadsafe instance.
+func NewTS(length int) *Threadsafe {
+ return &Threadsafe{
+ bm: New(length),
+ }
+}
+
+// Data returns the data of the bitmap.
+// If copy is false the actual underlying slice will be returned.
+func (b *Threadsafe) Data(copy bool) []byte {
+ b.mu.RLock()
+ data := dataOrCopy(b.bm, copy)
+ b.mu.RUnlock()
+ return data
+}
+
+// Len wraps around the Len function.
+func (b Threadsafe) Len() int {
+ b.mu.RLock()
+ l := b.bm.Len()
+ b.mu.RUnlock()
+ return l
+}
+
+// Get wraps around the Get function.
+func (b Threadsafe) Get(i int) bool {
+ b.mu.RLock()
+ v := b.bm.Get(i)
+ b.mu.RUnlock()
+ return v
+}
+
+// Set wraps around the Set function.
+func (b Threadsafe) Set(i int, v bool) {
+ b.mu.Lock()
+ b.bm.Set(i, v)
+ b.mu.Unlock()
+}
+
+// Concurrent is a bitmap implementation that achieves thread-safety
+// using atomic operations along with some unsafe.
+// It performs atomic operations on 32bits of data.
+type Concurrent []byte
+
+// NewConcurrent returns a concurrent bitmap.
+// It will create a bitmap
+func NewConcurrent(l int) Concurrent {
+ remainder := l % 8
+ if remainder != 0 {
+ remainder = 1
+ }
+ return make([]byte, l/8+remainder, l/8+remainder+3)
+}
+
+// Get wraps around the Get function.
+func (c Concurrent) Get(b int) bool {
+ return Get(c, b)
+}
+
+// Set wraps around the SetAtomic function.
+func (c Concurrent) Set(b int, v bool) {
+ SetAtomic(c, b, v)
+}
+
+// Len wraps around the Len function.
+func (c Concurrent) Len() int {
+ return Len(c)
+}
+
+// Data returns the data of the bitmap.
+// If copy is false the actual underlying slice will be returned.
+func (c Concurrent) Data(copy bool) []byte {
+ return dataOrCopy(c, copy)
+}