[VOL-5486] Fix deprecated versions
Change-Id: I3e03ea246020547ae75fa92ce8cf5cbba7e8f3bb
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go
new file mode 100644
index 0000000..ae9ce10
--- /dev/null
+++ b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go
@@ -0,0 +1,453 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry // import "go.opentelemetry.io/otel/trace/internal/telemetry"
+
+import (
+ "bytes"
+ "cmp"
+ "encoding/base64"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+ "math"
+ "slices"
+ "strconv"
+ "unsafe"
+)
+
+// A Value represents a structured value.
+// A zero value is valid and represents an empty value.
+type Value struct {
+ // Ensure forward compatibility by explicitly making this not comparable.
+ noCmp [0]func() //nolint: unused // This is indeed used.
+
+ // num holds the value for Int64, Float64, and Bool. It holds the length
+ // for String, Bytes, Slice, Map.
+ num uint64
+ // any holds either the KindBool, KindInt64, KindFloat64, stringptr,
+ // bytesptr, sliceptr, or mapptr. If KindBool, KindInt64, or KindFloat64
+ // then the value of Value is in num as described above. Otherwise, it
+ // contains the value wrapped in the appropriate type.
+ any any
+}
+
+type (
+ // sliceptr represents a value in Value.any for KindString Values.
+ stringptr *byte
+ // bytesptr represents a value in Value.any for KindBytes Values.
+ bytesptr *byte
+ // sliceptr represents a value in Value.any for KindSlice Values.
+ sliceptr *Value
+ // mapptr represents a value in Value.any for KindMap Values.
+ mapptr *Attr
+)
+
+// ValueKind is the kind of a [Value].
+type ValueKind int
+
+// ValueKind values.
+const (
+ ValueKindEmpty ValueKind = iota
+ ValueKindBool
+ ValueKindFloat64
+ ValueKindInt64
+ ValueKindString
+ ValueKindBytes
+ ValueKindSlice
+ ValueKindMap
+)
+
+var valueKindStrings = []string{
+ "Empty",
+ "Bool",
+ "Float64",
+ "Int64",
+ "String",
+ "Bytes",
+ "Slice",
+ "Map",
+}
+
+func (k ValueKind) String() string {
+ if k >= 0 && int(k) < len(valueKindStrings) {
+ return valueKindStrings[k]
+ }
+ return "<unknown telemetry.ValueKind>"
+}
+
+// StringValue returns a new [Value] for a string.
+func StringValue(v string) Value {
+ return Value{
+ num: uint64(len(v)),
+ any: stringptr(unsafe.StringData(v)),
+ }
+}
+
+// IntValue returns a [Value] for an int.
+func IntValue(v int) Value { return Int64Value(int64(v)) }
+
+// Int64Value returns a [Value] for an int64.
+func Int64Value(v int64) Value {
+ return Value{
+ num: uint64(v), // nolint: gosec // Store raw bytes.
+ any: ValueKindInt64,
+ }
+}
+
+// Float64Value returns a [Value] for a float64.
+func Float64Value(v float64) Value {
+ return Value{num: math.Float64bits(v), any: ValueKindFloat64}
+}
+
+// BoolValue returns a [Value] for a bool.
+func BoolValue(v bool) Value { //nolint:revive // Not a control flag.
+ var n uint64
+ if v {
+ n = 1
+ }
+ return Value{num: n, any: ValueKindBool}
+}
+
+// BytesValue returns a [Value] for a byte slice. The passed slice must not be
+// changed after it is passed.
+func BytesValue(v []byte) Value {
+ return Value{
+ num: uint64(len(v)),
+ any: bytesptr(unsafe.SliceData(v)),
+ }
+}
+
+// SliceValue returns a [Value] for a slice of [Value]. The passed slice must
+// not be changed after it is passed.
+func SliceValue(vs ...Value) Value {
+ return Value{
+ num: uint64(len(vs)),
+ any: sliceptr(unsafe.SliceData(vs)),
+ }
+}
+
+// MapValue returns a new [Value] for a slice of key-value pairs. The passed
+// slice must not be changed after it is passed.
+func MapValue(kvs ...Attr) Value {
+ return Value{
+ num: uint64(len(kvs)),
+ any: mapptr(unsafe.SliceData(kvs)),
+ }
+}
+
+// AsString returns the value held by v as a string.
+func (v Value) AsString() string {
+ if sp, ok := v.any.(stringptr); ok {
+ return unsafe.String(sp, v.num)
+ }
+ // TODO: error handle
+ return ""
+}
+
+// asString returns the value held by v as a string. It will panic if the Value
+// is not KindString.
+func (v Value) asString() string {
+ return unsafe.String(v.any.(stringptr), v.num)
+}
+
+// AsInt64 returns the value held by v as an int64.
+func (v Value) AsInt64() int64 {
+ if v.Kind() != ValueKindInt64 {
+ // TODO: error handle
+ return 0
+ }
+ return v.asInt64()
+}
+
+// asInt64 returns the value held by v as an int64. If v is not of KindInt64,
+// this will return garbage.
+func (v Value) asInt64() int64 {
+ // Assumes v.num was a valid int64 (overflow not checked).
+ return int64(v.num) // nolint: gosec
+}
+
+// AsBool returns the value held by v as a bool.
+func (v Value) AsBool() bool {
+ if v.Kind() != ValueKindBool {
+ // TODO: error handle
+ return false
+ }
+ return v.asBool()
+}
+
+// asBool returns the value held by v as a bool. If v is not of KindBool, this
+// will return garbage.
+func (v Value) asBool() bool { return v.num == 1 }
+
+// AsFloat64 returns the value held by v as a float64.
+func (v Value) AsFloat64() float64 {
+ if v.Kind() != ValueKindFloat64 {
+ // TODO: error handle
+ return 0
+ }
+ return v.asFloat64()
+}
+
+// asFloat64 returns the value held by v as a float64. If v is not of
+// KindFloat64, this will return garbage.
+func (v Value) asFloat64() float64 { return math.Float64frombits(v.num) }
+
+// AsBytes returns the value held by v as a []byte.
+func (v Value) AsBytes() []byte {
+ if sp, ok := v.any.(bytesptr); ok {
+ return unsafe.Slice((*byte)(sp), v.num)
+ }
+ // TODO: error handle
+ return nil
+}
+
+// asBytes returns the value held by v as a []byte. It will panic if the Value
+// is not KindBytes.
+func (v Value) asBytes() []byte {
+ return unsafe.Slice((*byte)(v.any.(bytesptr)), v.num)
+}
+
+// AsSlice returns the value held by v as a []Value.
+func (v Value) AsSlice() []Value {
+ if sp, ok := v.any.(sliceptr); ok {
+ return unsafe.Slice((*Value)(sp), v.num)
+ }
+ // TODO: error handle
+ return nil
+}
+
+// asSlice returns the value held by v as a []Value. It will panic if the Value
+// is not KindSlice.
+func (v Value) asSlice() []Value {
+ return unsafe.Slice((*Value)(v.any.(sliceptr)), v.num)
+}
+
+// AsMap returns the value held by v as a []Attr.
+func (v Value) AsMap() []Attr {
+ if sp, ok := v.any.(mapptr); ok {
+ return unsafe.Slice((*Attr)(sp), v.num)
+ }
+ // TODO: error handle
+ return nil
+}
+
+// asMap returns the value held by v as a []Attr. It will panic if the
+// Value is not KindMap.
+func (v Value) asMap() []Attr {
+ return unsafe.Slice((*Attr)(v.any.(mapptr)), v.num)
+}
+
+// Kind returns the Kind of v.
+func (v Value) Kind() ValueKind {
+ switch x := v.any.(type) {
+ case ValueKind:
+ return x
+ case stringptr:
+ return ValueKindString
+ case bytesptr:
+ return ValueKindBytes
+ case sliceptr:
+ return ValueKindSlice
+ case mapptr:
+ return ValueKindMap
+ default:
+ return ValueKindEmpty
+ }
+}
+
+// Empty returns if v does not hold any value.
+func (v Value) Empty() bool { return v.Kind() == ValueKindEmpty }
+
+// Equal returns if v is equal to w.
+func (v Value) Equal(w Value) bool {
+ k1 := v.Kind()
+ k2 := w.Kind()
+ if k1 != k2 {
+ return false
+ }
+ switch k1 {
+ case ValueKindInt64, ValueKindBool:
+ return v.num == w.num
+ case ValueKindString:
+ return v.asString() == w.asString()
+ case ValueKindFloat64:
+ return v.asFloat64() == w.asFloat64()
+ case ValueKindSlice:
+ return slices.EqualFunc(v.asSlice(), w.asSlice(), Value.Equal)
+ case ValueKindMap:
+ sv := sortMap(v.asMap())
+ sw := sortMap(w.asMap())
+ return slices.EqualFunc(sv, sw, Attr.Equal)
+ case ValueKindBytes:
+ return bytes.Equal(v.asBytes(), w.asBytes())
+ case ValueKindEmpty:
+ return true
+ default:
+ // TODO: error handle
+ return false
+ }
+}
+
+func sortMap(m []Attr) []Attr {
+ sm := make([]Attr, len(m))
+ copy(sm, m)
+ slices.SortFunc(sm, func(a, b Attr) int {
+ return cmp.Compare(a.Key, b.Key)
+ })
+
+ return sm
+}
+
+// String returns Value's value as a string, formatted like [fmt.Sprint].
+//
+// The returned string is meant for debugging;
+// the string representation is not stable.
+func (v Value) String() string {
+ switch v.Kind() {
+ case ValueKindString:
+ return v.asString()
+ case ValueKindInt64:
+ // Assumes v.num was a valid int64 (overflow not checked).
+ return strconv.FormatInt(int64(v.num), 10) // nolint: gosec
+ case ValueKindFloat64:
+ return strconv.FormatFloat(v.asFloat64(), 'g', -1, 64)
+ case ValueKindBool:
+ return strconv.FormatBool(v.asBool())
+ case ValueKindBytes:
+ return string(v.asBytes())
+ case ValueKindMap:
+ return fmt.Sprint(v.asMap())
+ case ValueKindSlice:
+ return fmt.Sprint(v.asSlice())
+ case ValueKindEmpty:
+ return "<nil>"
+ default:
+ // Try to handle this as gracefully as possible.
+ //
+ // Don't panic here. The goal here is to have developers find this
+ // first if a slog.Kind is is not handled. It is
+ // preferable to have user's open issue asking why their attributes
+ // have a "unhandled: " prefix than say that their code is panicking.
+ return fmt.Sprintf("<unhandled telemetry.ValueKind: %s>", v.Kind())
+ }
+}
+
+// MarshalJSON encodes v into OTLP formatted JSON.
+func (v *Value) MarshalJSON() ([]byte, error) {
+ switch v.Kind() {
+ case ValueKindString:
+ return json.Marshal(struct {
+ Value string `json:"stringValue"`
+ }{v.asString()})
+ case ValueKindInt64:
+ return json.Marshal(struct {
+ Value string `json:"intValue"`
+ }{strconv.FormatInt(int64(v.num), 10)}) // nolint: gosec // From raw bytes.
+ case ValueKindFloat64:
+ return json.Marshal(struct {
+ Value float64 `json:"doubleValue"`
+ }{v.asFloat64()})
+ case ValueKindBool:
+ return json.Marshal(struct {
+ Value bool `json:"boolValue"`
+ }{v.asBool()})
+ case ValueKindBytes:
+ return json.Marshal(struct {
+ Value []byte `json:"bytesValue"`
+ }{v.asBytes()})
+ case ValueKindMap:
+ return json.Marshal(struct {
+ Value struct {
+ Values []Attr `json:"values"`
+ } `json:"kvlistValue"`
+ }{struct {
+ Values []Attr `json:"values"`
+ }{v.asMap()}})
+ case ValueKindSlice:
+ return json.Marshal(struct {
+ Value struct {
+ Values []Value `json:"values"`
+ } `json:"arrayValue"`
+ }{struct {
+ Values []Value `json:"values"`
+ }{v.asSlice()}})
+ case ValueKindEmpty:
+ return nil, nil
+ default:
+ return nil, fmt.Errorf("unknown Value kind: %s", v.Kind().String())
+ }
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into v.
+func (v *Value) UnmarshalJSON(data []byte) error {
+ decoder := json.NewDecoder(bytes.NewReader(data))
+
+ t, err := decoder.Token()
+ if err != nil {
+ return err
+ }
+ if t != json.Delim('{') {
+ return errors.New("invalid Value type")
+ }
+
+ for decoder.More() {
+ keyIface, err := decoder.Token()
+ if err != nil {
+ if errors.Is(err, io.EOF) {
+ // Empty.
+ return nil
+ }
+ return err
+ }
+
+ key, ok := keyIface.(string)
+ if !ok {
+ return fmt.Errorf("invalid Value key: %#v", keyIface)
+ }
+
+ switch key {
+ case "stringValue", "string_value":
+ var val string
+ err = decoder.Decode(&val)
+ *v = StringValue(val)
+ case "boolValue", "bool_value":
+ var val bool
+ err = decoder.Decode(&val)
+ *v = BoolValue(val)
+ case "intValue", "int_value":
+ var val protoInt64
+ err = decoder.Decode(&val)
+ *v = Int64Value(val.Int64())
+ case "doubleValue", "double_value":
+ var val float64
+ err = decoder.Decode(&val)
+ *v = Float64Value(val)
+ case "bytesValue", "bytes_value":
+ var val64 string
+ if err := decoder.Decode(&val64); err != nil {
+ return err
+ }
+ var val []byte
+ val, err = base64.StdEncoding.DecodeString(val64)
+ *v = BytesValue(val)
+ case "arrayValue", "array_value":
+ var val struct{ Values []Value }
+ err = decoder.Decode(&val)
+ *v = SliceValue(val.Values...)
+ case "kvlistValue", "kvlist_value":
+ var val struct{ Values []Attr }
+ err = decoder.Decode(&val)
+ *v = MapValue(val.Values...)
+ default:
+ // Skip unknown.
+ continue
+ }
+ // Use first valid. Ignore the rest.
+ return err
+ }
+
+ // Only unknown fields. Return nil without unmarshaling any value.
+ return nil
+}