[VOL-1349] EPON OLT adapter (package B)
Change-Id: I634ef62c53813dcf4456f54948f13e06358e263c
diff --git a/vendor/github.com/gogo/protobuf/proto/encode.go b/vendor/github.com/gogo/protobuf/proto/encode.go
new file mode 100644
index 0000000..9581ccd
--- /dev/null
+++ b/vendor/github.com/gogo/protobuf/proto/encode.go
@@ -0,0 +1,205 @@
+// Go support for Protocol Buffers - Google's data interchange format
+//
+// Copyright 2010 The Go Authors. All rights reserved.
+// https://github.com/golang/protobuf
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+// * 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.
+// * Neither the name of Google Inc. 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
+// OWNER 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.
+
+package proto
+
+/*
+ * Routines for encoding data into the wire format for protocol buffers.
+ */
+
+import (
+ "errors"
+ "reflect"
+)
+
+var (
+ // errRepeatedHasNil is the error returned if Marshal is called with
+ // a struct with a repeated field containing a nil element.
+ errRepeatedHasNil = errors.New("proto: repeated field has nil element")
+
+ // errOneofHasNil is the error returned if Marshal is called with
+ // a struct with a oneof field containing a nil element.
+ errOneofHasNil = errors.New("proto: oneof field has nil value")
+
+ // ErrNil is the error returned if Marshal is called with nil.
+ ErrNil = errors.New("proto: Marshal called with nil")
+
+ // ErrTooLarge is the error returned if Marshal is called with a
+ // message that encodes to >2GB.
+ ErrTooLarge = errors.New("proto: message encodes to over 2 GB")
+)
+
+// The fundamental encoders that put bytes on the wire.
+// Those that take integer types all accept uint64 and are
+// therefore of type valueEncoder.
+
+const maxVarintBytes = 10 // maximum length of a varint
+
+// EncodeVarint returns the varint encoding of x.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+// Not used by the package itself, but helpful to clients
+// wishing to use the same encoding.
+func EncodeVarint(x uint64) []byte {
+ var buf [maxVarintBytes]byte
+ var n int
+ for n = 0; x > 127; n++ {
+ buf[n] = 0x80 | uint8(x&0x7F)
+ x >>= 7
+ }
+ buf[n] = uint8(x)
+ n++
+ return buf[0:n]
+}
+
+// EncodeVarint writes a varint-encoded integer to the Buffer.
+// This is the format for the
+// int32, int64, uint32, uint64, bool, and enum
+// protocol buffer types.
+func (p *Buffer) EncodeVarint(x uint64) error {
+ for x >= 1<<7 {
+ p.buf = append(p.buf, uint8(x&0x7f|0x80))
+ x >>= 7
+ }
+ p.buf = append(p.buf, uint8(x))
+ return nil
+}
+
+// SizeVarint returns the varint encoding size of an integer.
+func SizeVarint(x uint64) int {
+ switch {
+ case x < 1<<7:
+ return 1
+ case x < 1<<14:
+ return 2
+ case x < 1<<21:
+ return 3
+ case x < 1<<28:
+ return 4
+ case x < 1<<35:
+ return 5
+ case x < 1<<42:
+ return 6
+ case x < 1<<49:
+ return 7
+ case x < 1<<56:
+ return 8
+ case x < 1<<63:
+ return 9
+ }
+ return 10
+}
+
+// EncodeFixed64 writes a 64-bit integer to the Buffer.
+// This is the format for the
+// fixed64, sfixed64, and double protocol buffer types.
+func (p *Buffer) EncodeFixed64(x uint64) error {
+ p.buf = append(p.buf,
+ uint8(x),
+ uint8(x>>8),
+ uint8(x>>16),
+ uint8(x>>24),
+ uint8(x>>32),
+ uint8(x>>40),
+ uint8(x>>48),
+ uint8(x>>56))
+ return nil
+}
+
+// EncodeFixed32 writes a 32-bit integer to the Buffer.
+// This is the format for the
+// fixed32, sfixed32, and float protocol buffer types.
+func (p *Buffer) EncodeFixed32(x uint64) error {
+ p.buf = append(p.buf,
+ uint8(x),
+ uint8(x>>8),
+ uint8(x>>16),
+ uint8(x>>24))
+ return nil
+}
+
+// EncodeZigzag64 writes a zigzag-encoded 64-bit integer
+// to the Buffer.
+// This is the format used for the sint64 protocol buffer type.
+func (p *Buffer) EncodeZigzag64(x uint64) error {
+ // use signed number to get arithmetic right shift.
+ return p.EncodeVarint(uint64((x << 1) ^ uint64((int64(x) >> 63))))
+}
+
+// EncodeZigzag32 writes a zigzag-encoded 32-bit integer
+// to the Buffer.
+// This is the format used for the sint32 protocol buffer type.
+func (p *Buffer) EncodeZigzag32(x uint64) error {
+ // use signed number to get arithmetic right shift.
+ return p.EncodeVarint(uint64((uint32(x) << 1) ^ uint32((int32(x) >> 31))))
+}
+
+// EncodeRawBytes writes a count-delimited byte buffer to the Buffer.
+// This is the format used for the bytes protocol buffer
+// type and for embedded messages.
+func (p *Buffer) EncodeRawBytes(b []byte) error {
+ p.EncodeVarint(uint64(len(b)))
+ p.buf = append(p.buf, b...)
+ return nil
+}
+
+// EncodeStringBytes writes an encoded string to the Buffer.
+// This is the format used for the proto2 string type.
+func (p *Buffer) EncodeStringBytes(s string) error {
+ p.EncodeVarint(uint64(len(s)))
+ p.buf = append(p.buf, s...)
+ return nil
+}
+
+// Marshaler is the interface representing objects that can marshal themselves.
+type Marshaler interface {
+ Marshal() ([]byte, error)
+}
+
+// EncodeMessage writes the protocol buffer to the Buffer,
+// prefixed by a varint-encoded length.
+func (p *Buffer) EncodeMessage(pb Message) error {
+ siz := Size(pb)
+ sizVar := SizeVarint(uint64(siz))
+ p.grow(siz + sizVar)
+ p.EncodeVarint(uint64(siz))
+ return p.Marshal(pb)
+}
+
+// All protocol buffer fields are nillable, but be careful.
+func isNil(v reflect.Value) bool {
+ switch v.Kind() {
+ case reflect.Interface, reflect.Map, reflect.Ptr, reflect.Slice:
+ return v.IsNil()
+ }
+ return false
+}