vendor: update grpc, gogo/protobuf

cmd/vendor/github.com/gogo/protobuf/proto/decode_gogo.go

@@ -115,14 +115,8 @@ func setCustomType(base structPointer, f field, value interface{}) {
 		oldHeader.Len = v.Len()
 		oldHeader.Cap = v.Cap()
 	default:
-		l := 1
 		size := reflect.TypeOf(value).Elem().Size()
-		if kind == reflect.Array {
-			l = reflect.TypeOf(value).Elem().Len()
-			size = reflect.TypeOf(value).Size()
-		}
-		total := int(size) * l
-		structPointer_Copy(toStructPointer(reflect.ValueOf(value)), structPointer_Add(base, f), total)
+		structPointer_Copy(toStructPointer(reflect.ValueOf(value)), structPointer_Add(base, f), int(size))
 	}
 }
 

cmd/vendor/github.com/gogo/protobuf/proto/encode.go

@@ -105,6 +105,11 @@ func (p *Buffer) EncodeVarint(x uint64) error {
 	return nil
 }
 
+// SizeVarint returns the varint encoding size of an integer.
+func SizeVarint(x uint64) int {
+	return sizeVarint(x)
+}
+
 func sizeVarint(x uint64) (n int) {
 	for {
 		n++
@@ -1248,24 +1253,9 @@ func size_struct(prop *StructProperties, base structPointer) (n int) {
 	}
 
 	// Factor in any oneof fields.
-	// TODO: This could be faster and use less reflection.
-	if prop.oneofMarshaler != nil {
-		sv := reflect.ValueOf(structPointer_Interface(base, prop.stype)).Elem()
-		for i := 0; i < prop.stype.NumField(); i++ {
-			fv := sv.Field(i)
-			if fv.Kind() != reflect.Interface || fv.IsNil() {
-				continue
-			}
-			if prop.stype.Field(i).Tag.Get("protobuf_oneof") == "" {
-				continue
-			}
-			spv := fv.Elem()         // interface -> *T
-			sv := spv.Elem()         // *T -> T
-			sf := sv.Type().Field(0) // StructField inside T
-			var prop Properties
-			prop.Init(sf.Type, "whatever", sf.Tag.Get("protobuf"), &sf)
-			n += prop.size(&prop, toStructPointer(spv))
-		}
+	if prop.oneofSizer != nil {
+		m := structPointer_Interface(base, prop.stype).(Message)
+		n += prop.oneofSizer(m)
 	}
 
 	return

cmd/vendor/github.com/gogo/protobuf/proto/equal.go

@@ -50,7 +50,9 @@ Equality is defined in this way:
     are equal, and extensions sets are equal.
   - Two set scalar fields are equal iff their values are equal.
     If the fields are of a floating-point type, remember that
-    NaN != x for all x, including NaN.
+    NaN != x for all x, including NaN. If the message is defined
+    in a proto3 .proto file, fields are not "set"; specifically,
+    zero length proto3 "bytes" fields are equal (nil == {}).
   - Two repeated fields are equal iff their lengths are the same,
     and their corresponding elements are equal (a "bytes" field,
     although represented by []byte, is not a repeated field)
@@ -88,6 +90,7 @@ func Equal(a, b Message) bool {
 
 // v1 and v2 are known to have the same type.
 func equalStruct(v1, v2 reflect.Value) bool {
+	sprop := GetProperties(v1.Type())
 	for i := 0; i < v1.NumField(); i++ {
 		f := v1.Type().Field(i)
 		if strings.HasPrefix(f.Name, "XXX_") {
@@ -113,7 +116,7 @@ func equalStruct(v1, v2 reflect.Value) bool {
 			}
 			f1, f2 = f1.Elem(), f2.Elem()
 		}
-		if !equalAny(f1, f2) {
+		if !equalAny(f1, f2, sprop.Prop[i]) {
 			return false
 		}
 	}
@@ -140,7 +143,8 @@ func equalStruct(v1, v2 reflect.Value) bool {
 }
 
 // v1 and v2 are known to have the same type.
-func equalAny(v1, v2 reflect.Value) bool {
+// prop may be nil.
+func equalAny(v1, v2 reflect.Value, prop *Properties) bool {
 	if v1.Type() == protoMessageType {
 		m1, _ := v1.Interface().(Message)
 		m2, _ := v2.Interface().(Message)
@@ -163,7 +167,7 @@ func equalAny(v1, v2 reflect.Value) bool {
 		if e1.Type() != e2.Type() {
 			return false
 		}
-		return equalAny(e1, e2)
+		return equalAny(e1, e2, nil)
 	case reflect.Map:
 		if v1.Len() != v2.Len() {
 			return false
@@ -174,16 +178,22 @@ func equalAny(v1, v2 reflect.Value) bool {
 				// This key was not found in the second map.
 				return false
 			}
-			if !equalAny(v1.MapIndex(key), val2) {
+			if !equalAny(v1.MapIndex(key), val2, nil) {
 				return false
 			}
 		}
 		return true
 	case reflect.Ptr:
-		return equalAny(v1.Elem(), v2.Elem())
+		return equalAny(v1.Elem(), v2.Elem(), prop)
 	case reflect.Slice:
 		if v1.Type().Elem().Kind() == reflect.Uint8 {
 			// short circuit: []byte
+
+			// Edge case: if this is in a proto3 message, a zero length
+			// bytes field is considered the zero value.
+			if prop != nil && prop.proto3 && v1.Len() == 0 && v2.Len() == 0 {
+				return true
+			}
 			if v1.IsNil() != v2.IsNil() {
 				return false
 			}
@@ -194,7 +204,7 @@ func equalAny(v1, v2 reflect.Value) bool {
 			return false
 		}
 		for i := 0; i < v1.Len(); i++ {
-			if !equalAny(v1.Index(i), v2.Index(i)) {
+			if !equalAny(v1.Index(i), v2.Index(i), prop) {
 				return false
 			}
 		}
@@ -229,7 +239,7 @@ func equalExtensions(base reflect.Type, em1, em2 map[int32]Extension) bool {
 
 		if m1 != nil && m2 != nil {
 			// Both are unencoded.
-			if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2)) {
+			if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
 				return false
 			}
 			continue
@@ -257,7 +267,7 @@ func equalExtensions(base reflect.Type, em1, em2 map[int32]Extension) bool {
 			log.Printf("proto: badly encoded extension %d of %v: %v", extNum, base, err)
 			return false
 		}
-		if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2)) {
+		if !equalAny(reflect.ValueOf(m1), reflect.ValueOf(m2), nil) {
 			return false
 		}
 	}

cmd/vendor/github.com/gogo/protobuf/proto/extensions.go

@@ -403,7 +403,6 @@ func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) {
 	o := NewBuffer(b)
 
 	t := reflect.TypeOf(extension.ExtensionType)
-	rep := extension.repeated()
 
 	props := extensionProperties(extension)
 
@@ -425,7 +424,7 @@ func decodeExtension(b []byte, extension *ExtensionDesc) (interface{}, error) {
 			return nil, err
 		}
 
-		if !rep || o.index >= len(o.buf) {
+		if o.index >= len(o.buf) {
 			break
 		}
 	}

cmd/vendor/github.com/gogo/protobuf/proto/extensions_gogo.go

@@ -185,6 +185,17 @@ func NewExtension(e []byte) Extension {
 	return ee
 }
 
+func AppendExtension(e extendableProto, tag int32, buf []byte) {
+	if ee, eok := e.(extensionsMap); eok {
+		ext := ee.ExtensionMap()[int32(tag)] // may be missing
+		ext.enc = append(ext.enc, buf...)
+		ee.ExtensionMap()[int32(tag)] = ext
+	} else if ee, eok := e.(extensionsBytes); eok {
+		ext := ee.GetExtensions()
+		*ext = append(*ext, buf...)
+	}
+}
+
 func (this Extension) GoString() string {
 	if this.enc == nil {
 		if err := encodeExtension(&this); err != nil {

cmd/vendor/github.com/gogo/protobuf/proto/lib.go

@@ -70,6 +70,12 @@ for a protocol buffer variable v:
 	with distinguished wrapper types for each possible field value.
   - Marshal and Unmarshal are functions to encode and decode the wire format.
 
+When the .proto file specifies `syntax="proto3"`, there are some differences:
+
+  - Non-repeated fields of non-message type are values instead of pointers.
+  - Getters are only generated for message and oneof fields.
+  - Enum types do not get an Enum method.
+
 The simplest way to describe this is to see an example.
 Given file test.proto, containing
 
@@ -229,6 +235,7 @@ To create and play with a Test object:
 		test := &pb.Test{
 			Label: proto.String("hello"),
 			Type:  proto.Int32(17),
+			Reps:  []int64{1, 2, 3},
 			Optionalgroup: &pb.Test_OptionalGroup{
 				RequiredField: proto.String("good bye"),
 			},
@@ -441,7 +448,7 @@ func (p *Buffer) DebugPrint(s string, b []byte) {
 	var u uint64
 
 	obuf := p.buf
-	index := p.index
+	sindex := p.index
 	p.buf = b
 	p.index = 0
 	depth := 0
@@ -536,7 +543,7 @@ out:
 	fmt.Printf("\n")
 
 	p.buf = obuf
-	p.index = index
+	p.index = sindex
 }
 
 // SetDefaults sets unset protocol buffer fields to their default values.
@@ -881,3 +888,7 @@ func isProto3Zero(v reflect.Value) bool {
 	}
 	return false
 }
+
+// ProtoPackageIsVersion1 is referenced from generated protocol buffer files
+// to assert that that code is compatible with this version of the proto package.
+const GoGoProtoPackageIsVersion1 = true

cmd/vendor/github.com/gogo/protobuf/proto/properties.go

@@ -96,6 +96,9 @@ type oneofMarshaler func(Message, *Buffer) error
 // A oneofUnmarshaler does the unmarshaling for a oneof field in a message.
 type oneofUnmarshaler func(Message, int, int, *Buffer) (bool, error)
 
+// A oneofSizer does the sizing for all oneof fields in a message.
+type oneofSizer func(Message) int
+
 // tagMap is an optimization over map[int]int for typical protocol buffer
 // use-cases. Encoded protocol buffers are often in tag order with small tag
 // numbers.
@@ -147,6 +150,7 @@ type StructProperties struct {
 
 	oneofMarshaler   oneofMarshaler
 	oneofUnmarshaler oneofUnmarshaler
+	oneofSizer       oneofSizer
 	stype            reflect.Type
 
 	// OneofTypes contains information about the oneof fields in this message.
@@ -174,6 +178,7 @@ func (sp *StructProperties) Swap(i, j int) { sp.order[i], sp.order[j] = sp.order
 type Properties struct {
 	Name     string // name of the field, for error messages
 	OrigName string // original name before protocol compiler (always set)
+	JSONName string // name to use for JSON; determined by protoc
 	Wire     string
 	WireType int
 	Tag      int
@@ -233,8 +238,9 @@ func (p *Properties) String() string {
 	if p.Packed {
 		s += ",packed"
 	}
-	if p.OrigName != p.Name {
-		s += ",name=" + p.OrigName
+	s += ",name=" + p.OrigName
+	if p.JSONName != p.OrigName {
+		s += ",json=" + p.JSONName
 	}
 	if p.proto3 {
 		s += ",proto3"
@@ -314,6 +320,8 @@ func (p *Properties) Parse(s string) {
 			p.Packed = true
 		case strings.HasPrefix(f, "name="):
 			p.OrigName = f[5:]
+		case strings.HasPrefix(f, "json="):
+			p.JSONName = f[5:]
 		case strings.HasPrefix(f, "enum="):
 			p.Enum = f[5:]
 		case f == "proto3":
@@ -784,11 +792,11 @@ func getPropertiesLocked(t reflect.Type) *StructProperties {
 	sort.Sort(prop)
 
 	type oneofMessage interface {
-		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), []interface{})
+		XXX_OneofFuncs() (func(Message, *Buffer) error, func(Message, int, int, *Buffer) (bool, error), func(Message) int, []interface{})
 	}
 	if om, ok := reflect.Zero(reflect.PtrTo(t)).Interface().(oneofMessage); isOneofMessage && ok {
 		var oots []interface{}
-		prop.oneofMarshaler, prop.oneofUnmarshaler, oots = om.XXX_OneofFuncs()
+		prop.oneofMarshaler, prop.oneofUnmarshaler, prop.oneofSizer, oots = om.XXX_OneofFuncs()
 		prop.stype = t
 
 		// Interpret oneof metadata.

cmd/vendor/github.com/gogo/protobuf/proto/text.go

@@ -573,12 +573,12 @@ func writeUnknownStruct(w *textWriter, data []byte) (err error) {
 			return ferr
 		}
 		if wire != WireStartGroup {
-			if err := w.WriteByte(':'); err != nil {
+			if err = w.WriteByte(':'); err != nil {
 				return err
 			}
 		}
 		if !w.compact || wire == WireStartGroup {
-			if err := w.WriteByte(' '); err != nil {
+			if err = w.WriteByte(' '); err != nil {
 				return err
 			}
 		}

cmd/vendor/github.com/gogo/protobuf/proto/text_parser.go

@@ -124,6 +124,14 @@ func isWhitespace(c byte) bool {
 	return false
 }
 
+func isQuote(c byte) bool {
+	switch c {
+	case '"', '\'':
+		return true
+	}
+	return false
+}
+
 func (p *textParser) skipWhitespace() {
 	i := 0
 	for i < len(p.s) && (isWhitespace(p.s[i]) || p.s[i] == '#') {
@@ -338,13 +346,13 @@ func (p *textParser) next() *token {
 	p.advance()
 	if p.done {
 		p.cur.value = ""
-	} else if len(p.cur.value) > 0 && p.cur.value[0] == '"' {
+	} else if len(p.cur.value) > 0 && isQuote(p.cur.value[0]) {
 		// Look for multiple quoted strings separated by whitespace,
 		// and concatenate them.
 		cat := p.cur
 		for {
 			p.skipWhitespace()
-			if p.done || p.s[0] != '"' {
+			if p.done || !isQuote(p.s[0]) {
 				break
 			}
 			p.advance()
@@ -724,15 +732,15 @@ func (p *textParser) readAny(v reflect.Value, props *Properties) error {
 				if err != nil {
 					return err
 				}
-				tok := p.next()
-				if tok.err != nil {
-					return tok.err
+				ntok := p.next()
+				if ntok.err != nil {
+					return ntok.err
 				}
-				if tok.value == "]" {
+				if ntok.value == "]" {
 					break
 				}
-				if tok.value != "," {
-					return p.errorf("Expected ']' or ',' found %q", tok.value)
+				if ntok.value != "," {
+					return p.errorf("Expected ']' or ',' found %q", ntok.value)
 				}
 			}
 			return nil