VOL-1868 move simulated onu from voltha-go to voltha-simonu-adapter
Sourced from voltha-go commit 251a11c0ffe60512318a644cd6ce0dc4e12f4018
Change-Id: Iab179bc2f3dd772ed7f488d1c03d1a84ba75e874
diff --git a/vendor/go.uber.org/zap/buffer/buffer.go b/vendor/go.uber.org/zap/buffer/buffer.go
new file mode 100644
index 0000000..7592e8c
--- /dev/null
+++ b/vendor/go.uber.org/zap/buffer/buffer.go
@@ -0,0 +1,115 @@
+// Copyright (c) 2016 Uber Technologies, Inc.
+//
+// Permission is hereby granted, free of charge, to any person obtaining a copy
+// of this software and associated documentation files (the "Software"), to deal
+// in the Software without restriction, including without limitation the rights
+// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+// copies of the Software, and to permit persons to whom the Software is
+// furnished to do so, subject to the following conditions:
+//
+// The above copyright notice and this permission notice shall be included in
+// all copies or substantial portions of the Software.
+//
+// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+// THE SOFTWARE.
+
+// Package buffer provides a thin wrapper around a byte slice. Unlike the
+// standard library's bytes.Buffer, it supports a portion of the strconv
+// package's zero-allocation formatters.
+package buffer // import "go.uber.org/zap/buffer"
+
+import "strconv"
+
+const _size = 1024 // by default, create 1 KiB buffers
+
+// Buffer is a thin wrapper around a byte slice. It's intended to be pooled, so
+// the only way to construct one is via a Pool.
+type Buffer struct {
+ bs []byte
+ pool Pool
+}
+
+// AppendByte writes a single byte to the Buffer.
+func (b *Buffer) AppendByte(v byte) {
+ b.bs = append(b.bs, v)
+}
+
+// AppendString writes a string to the Buffer.
+func (b *Buffer) AppendString(s string) {
+ b.bs = append(b.bs, s...)
+}
+
+// AppendInt appends an integer to the underlying buffer (assuming base 10).
+func (b *Buffer) AppendInt(i int64) {
+ b.bs = strconv.AppendInt(b.bs, i, 10)
+}
+
+// AppendUint appends an unsigned integer to the underlying buffer (assuming
+// base 10).
+func (b *Buffer) AppendUint(i uint64) {
+ b.bs = strconv.AppendUint(b.bs, i, 10)
+}
+
+// AppendBool appends a bool to the underlying buffer.
+func (b *Buffer) AppendBool(v bool) {
+ b.bs = strconv.AppendBool(b.bs, v)
+}
+
+// AppendFloat appends a float to the underlying buffer. It doesn't quote NaN
+// or +/- Inf.
+func (b *Buffer) AppendFloat(f float64, bitSize int) {
+ b.bs = strconv.AppendFloat(b.bs, f, 'f', -1, bitSize)
+}
+
+// Len returns the length of the underlying byte slice.
+func (b *Buffer) Len() int {
+ return len(b.bs)
+}
+
+// Cap returns the capacity of the underlying byte slice.
+func (b *Buffer) Cap() int {
+ return cap(b.bs)
+}
+
+// Bytes returns a mutable reference to the underlying byte slice.
+func (b *Buffer) Bytes() []byte {
+ return b.bs
+}
+
+// String returns a string copy of the underlying byte slice.
+func (b *Buffer) String() string {
+ return string(b.bs)
+}
+
+// Reset resets the underlying byte slice. Subsequent writes re-use the slice's
+// backing array.
+func (b *Buffer) Reset() {
+ b.bs = b.bs[:0]
+}
+
+// Write implements io.Writer.
+func (b *Buffer) Write(bs []byte) (int, error) {
+ b.bs = append(b.bs, bs...)
+ return len(bs), nil
+}
+
+// TrimNewline trims any final "\n" byte from the end of the buffer.
+func (b *Buffer) TrimNewline() {
+ if i := len(b.bs) - 1; i >= 0 {
+ if b.bs[i] == '\n' {
+ b.bs = b.bs[:i]
+ }
+ }
+}
+
+// Free returns the Buffer to its Pool.
+//
+// Callers must not retain references to the Buffer after calling Free.
+func (b *Buffer) Free() {
+ b.pool.put(b)
+}