[VOL-5486] Fix deprecated versions
Change-Id: I3e03ea246020547ae75fa92ce8cf5cbba7e8f3bb
Signed-off-by: Abhay Kumar <abhay.kumar@radisys.com>
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/attr.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/attr.go
new file mode 100644
index 0000000..af6ef17
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/attr.go
@@ -0,0 +1,58 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+// Attr is a key-value pair.
+type Attr struct {
+ Key string `json:"key,omitempty"`
+ Value Value `json:"value,omitempty"`
+}
+
+// String returns an Attr for a string value.
+func String(key, value string) Attr {
+ return Attr{key, StringValue(value)}
+}
+
+// Int64 returns an Attr for an int64 value.
+func Int64(key string, value int64) Attr {
+ return Attr{key, Int64Value(value)}
+}
+
+// Int returns an Attr for an int value.
+func Int(key string, value int) Attr {
+ return Int64(key, int64(value))
+}
+
+// Float64 returns an Attr for a float64 value.
+func Float64(key string, value float64) Attr {
+ return Attr{key, Float64Value(value)}
+}
+
+// Bool returns an Attr for a bool value.
+func Bool(key string, value bool) Attr {
+ return Attr{key, BoolValue(value)}
+}
+
+// Bytes returns an Attr for a []byte value.
+// The passed slice must not be changed after it is passed.
+func Bytes(key string, value []byte) Attr {
+ return Attr{key, BytesValue(value)}
+}
+
+// Slice returns an Attr for a []Value value.
+// The passed slice must not be changed after it is passed.
+func Slice(key string, value ...Value) Attr {
+ return Attr{key, SliceValue(value...)}
+}
+
+// Map returns an Attr for a map value.
+// The passed slice must not be changed after it is passed.
+func Map(key string, value ...Attr) Attr {
+ return Attr{key, MapValue(value...)}
+}
+
+// Equal returns if a is equal to b.
+func (a Attr) Equal(b Attr) bool {
+ return a.Key == b.Key && a.Value.Equal(b.Value)
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/doc.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/doc.go
new file mode 100644
index 0000000..949e216
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/doc.go
@@ -0,0 +1,8 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+/*
+Package telemetry provides a lightweight representations of OpenTelemetry
+telemetry that is compatible with the OTLP JSON protobuf encoding.
+*/
+package telemetry
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/id.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/id.go
new file mode 100644
index 0000000..e854d7e
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/id.go
@@ -0,0 +1,103 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+import (
+ "encoding/hex"
+ "errors"
+ "fmt"
+)
+
+const (
+ traceIDSize = 16
+ spanIDSize = 8
+)
+
+// TraceID is a custom data type that is used for all trace IDs.
+type TraceID [traceIDSize]byte
+
+// String returns the hex string representation form of a TraceID.
+func (tid TraceID) String() string {
+ return hex.EncodeToString(tid[:])
+}
+
+// IsEmpty returns false if id contains at least one non-zero byte.
+func (tid TraceID) IsEmpty() bool {
+ return tid == [traceIDSize]byte{}
+}
+
+// MarshalJSON converts the trace ID into a hex string enclosed in quotes.
+func (tid TraceID) MarshalJSON() ([]byte, error) {
+ if tid.IsEmpty() {
+ return []byte(`""`), nil
+ }
+ return marshalJSON(tid[:])
+}
+
+// UnmarshalJSON inflates the trace ID from hex string, possibly enclosed in
+// quotes.
+func (tid *TraceID) UnmarshalJSON(data []byte) error {
+ *tid = [traceIDSize]byte{}
+ return unmarshalJSON(tid[:], data)
+}
+
+// SpanID is a custom data type that is used for all span IDs.
+type SpanID [spanIDSize]byte
+
+// String returns the hex string representation form of a SpanID.
+func (sid SpanID) String() string {
+ return hex.EncodeToString(sid[:])
+}
+
+// IsEmpty returns true if the span ID contains at least one non-zero byte.
+func (sid SpanID) IsEmpty() bool {
+ return sid == [spanIDSize]byte{}
+}
+
+// MarshalJSON converts span ID into a hex string enclosed in quotes.
+func (sid SpanID) MarshalJSON() ([]byte, error) {
+ if sid.IsEmpty() {
+ return []byte(`""`), nil
+ }
+ return marshalJSON(sid[:])
+}
+
+// UnmarshalJSON decodes span ID from hex string, possibly enclosed in quotes.
+func (sid *SpanID) UnmarshalJSON(data []byte) error {
+ *sid = [spanIDSize]byte{}
+ return unmarshalJSON(sid[:], data)
+}
+
+// marshalJSON converts id into a hex string enclosed in quotes.
+func marshalJSON(id []byte) ([]byte, error) {
+ // Plus 2 quote chars at the start and end.
+ hexLen := hex.EncodedLen(len(id)) + 2
+
+ b := make([]byte, hexLen)
+ hex.Encode(b[1:hexLen-1], id)
+ b[0], b[hexLen-1] = '"', '"'
+
+ return b, nil
+}
+
+// unmarshalJSON inflates trace id from hex string, possibly enclosed in quotes.
+func unmarshalJSON(dst []byte, src []byte) error {
+ if l := len(src); l >= 2 && src[0] == '"' && src[l-1] == '"' {
+ src = src[1 : l-1]
+ }
+ nLen := len(src)
+ if nLen == 0 {
+ return nil
+ }
+
+ if len(dst) != hex.DecodedLen(nLen) {
+ return errors.New("invalid length for ID")
+ }
+
+ _, err := hex.Decode(dst, src)
+ if err != nil {
+ return fmt.Errorf("cannot unmarshal ID from string '%s': %w", string(src), err)
+ }
+ return nil
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/number.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/number.go
new file mode 100644
index 0000000..29e629d
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/number.go
@@ -0,0 +1,67 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+import (
+ "encoding/json"
+ "strconv"
+)
+
+// protoInt64 represents the protobuf encoding of integers which can be either
+// strings or integers.
+type protoInt64 int64
+
+// Int64 returns the protoInt64 as an int64.
+func (i *protoInt64) Int64() int64 { return int64(*i) }
+
+// UnmarshalJSON decodes both strings and integers.
+func (i *protoInt64) UnmarshalJSON(data []byte) error {
+ if data[0] == '"' {
+ var str string
+ if err := json.Unmarshal(data, &str); err != nil {
+ return err
+ }
+ parsedInt, err := strconv.ParseInt(str, 10, 64)
+ if err != nil {
+ return err
+ }
+ *i = protoInt64(parsedInt)
+ } else {
+ var parsedInt int64
+ if err := json.Unmarshal(data, &parsedInt); err != nil {
+ return err
+ }
+ *i = protoInt64(parsedInt)
+ }
+ return nil
+}
+
+// protoUint64 represents the protobuf encoding of integers which can be either
+// strings or integers.
+type protoUint64 uint64
+
+// Int64 returns the protoUint64 as a uint64.
+func (i *protoUint64) Uint64() uint64 { return uint64(*i) }
+
+// UnmarshalJSON decodes both strings and integers.
+func (i *protoUint64) UnmarshalJSON(data []byte) error {
+ if data[0] == '"' {
+ var str string
+ if err := json.Unmarshal(data, &str); err != nil {
+ return err
+ }
+ parsedUint, err := strconv.ParseUint(str, 10, 64)
+ if err != nil {
+ return err
+ }
+ *i = protoUint64(parsedUint)
+ } else {
+ var parsedUint uint64
+ if err := json.Unmarshal(data, &parsedUint); err != nil {
+ return err
+ }
+ *i = protoUint64(parsedUint)
+ }
+ return nil
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/resource.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/resource.go
new file mode 100644
index 0000000..cecad8b
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/resource.go
@@ -0,0 +1,66 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+)
+
+// Resource information.
+type Resource struct {
+ // Attrs are the set of attributes that describe the resource. Attribute
+ // keys MUST be unique (it is not allowed to have more than one attribute
+ // with the same key).
+ Attrs []Attr `json:"attributes,omitempty"`
+ // DroppedAttrs is the number of dropped attributes. If the value
+ // is 0, then no attributes were dropped.
+ DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into r.
+func (r *Resource) 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 Resource 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 Resource field: %#v", keyIface)
+ }
+
+ switch key {
+ case "attributes":
+ err = decoder.Decode(&r.Attrs)
+ case "droppedAttributesCount", "dropped_attributes_count":
+ err = decoder.Decode(&r.DroppedAttrs)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/scope.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/scope.go
new file mode 100644
index 0000000..b6f2e28
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/scope.go
@@ -0,0 +1,67 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+)
+
+// Scope is the identifying values of the instrumentation scope.
+type Scope struct {
+ Name string `json:"name,omitempty"`
+ Version string `json:"version,omitempty"`
+ Attrs []Attr `json:"attributes,omitempty"`
+ DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into r.
+func (s *Scope) 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 Scope 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 Scope field: %#v", keyIface)
+ }
+
+ switch key {
+ case "name":
+ err = decoder.Decode(&s.Name)
+ case "version":
+ err = decoder.Decode(&s.Version)
+ case "attributes":
+ err = decoder.Decode(&s.Attrs)
+ case "droppedAttributesCount", "dropped_attributes_count":
+ err = decoder.Decode(&s.DroppedAttrs)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/span.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/span.go
new file mode 100644
index 0000000..a13a6b7
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/span.go
@@ -0,0 +1,456 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+import (
+ "bytes"
+ "encoding/hex"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+ "time"
+)
+
+// A Span represents a single operation performed by a single component of the
+// system.
+type Span struct {
+ // A unique identifier for a trace. All spans from the same trace share
+ // the same `trace_id`. The ID is a 16-byte array. An ID with all zeroes OR
+ // of length other than 16 bytes is considered invalid (empty string in OTLP/JSON
+ // is zero-length and thus is also invalid).
+ //
+ // This field is required.
+ TraceID TraceID `json:"traceId,omitempty"`
+ // A unique identifier for a span within a trace, assigned when the span
+ // is created. The ID is an 8-byte array. An ID with all zeroes OR of length
+ // other than 8 bytes is considered invalid (empty string in OTLP/JSON
+ // is zero-length and thus is also invalid).
+ //
+ // This field is required.
+ SpanID SpanID `json:"spanId,omitempty"`
+ // trace_state conveys information about request position in multiple distributed tracing graphs.
+ // It is a trace_state in w3c-trace-context format: https://www.w3.org/TR/trace-context/#tracestate-header
+ // See also https://github.com/w3c/distributed-tracing for more details about this field.
+ TraceState string `json:"traceState,omitempty"`
+ // The `span_id` of this span's parent span. If this is a root span, then this
+ // field must be empty. The ID is an 8-byte array.
+ ParentSpanID SpanID `json:"parentSpanId,omitempty"`
+ // Flags, a bit field.
+ //
+ // Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace
+ // Context specification. To read the 8-bit W3C trace flag, use
+ // `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
+ //
+ // See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+ //
+ // Bits 8 and 9 represent the 3 states of whether a span's parent
+ // is remote. The states are (unknown, is not remote, is remote).
+ // To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.
+ // To read whether the span is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.
+ //
+ // When creating span messages, if the message is logically forwarded from another source
+ // with an equivalent flags fields (i.e., usually another OTLP span message), the field SHOULD
+ // be copied as-is. If creating from a source that does not have an equivalent flags field
+ // (such as a runtime representation of an OpenTelemetry span), the high 22 bits MUST
+ // be set to zero.
+ // Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.
+ //
+ // [Optional].
+ Flags uint32 `json:"flags,omitempty"`
+ // A description of the span's operation.
+ //
+ // For example, the name can be a qualified method name or a file name
+ // and a line number where the operation is called. A best practice is to use
+ // the same display name at the same call point in an application.
+ // This makes it easier to correlate spans in different traces.
+ //
+ // This field is semantically required to be set to non-empty string.
+ // Empty value is equivalent to an unknown span name.
+ //
+ // This field is required.
+ Name string `json:"name"`
+ // Distinguishes between spans generated in a particular context. For example,
+ // two spans with the same name may be distinguished using `CLIENT` (caller)
+ // and `SERVER` (callee) to identify queueing latency associated with the span.
+ Kind SpanKind `json:"kind,omitempty"`
+ // start_time_unix_nano is the start time of the span. On the client side, this is the time
+ // kept by the local machine where the span execution starts. On the server side, this
+ // is the time when the server's application handler starts running.
+ // Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.
+ //
+ // This field is semantically required and it is expected that end_time >= start_time.
+ StartTime time.Time `json:"startTimeUnixNano,omitempty"`
+ // end_time_unix_nano is the end time of the span. On the client side, this is the time
+ // kept by the local machine where the span execution ends. On the server side, this
+ // is the time when the server application handler stops running.
+ // Value is UNIX Epoch time in nanoseconds since 00:00:00 UTC on 1 January 1970.
+ //
+ // This field is semantically required and it is expected that end_time >= start_time.
+ EndTime time.Time `json:"endTimeUnixNano,omitempty"`
+ // attributes is a collection of key/value pairs. Note, global attributes
+ // like server name can be set using the resource API. Examples of attributes:
+ //
+ // "/http/user_agent": "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_14_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/71.0.3578.98 Safari/537.36"
+ // "/http/server_latency": 300
+ // "example.com/myattribute": true
+ // "example.com/score": 10.239
+ //
+ // The OpenTelemetry API specification further restricts the allowed value types:
+ // https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/common/README.md#attribute
+ // Attribute keys MUST be unique (it is not allowed to have more than one
+ // attribute with the same key).
+ Attrs []Attr `json:"attributes,omitempty"`
+ // dropped_attributes_count is the number of attributes that were discarded. Attributes
+ // can be discarded because their keys are too long or because there are too many
+ // attributes. If this value is 0, then no attributes were dropped.
+ DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
+ // events is a collection of Event items.
+ Events []*SpanEvent `json:"events,omitempty"`
+ // dropped_events_count is the number of dropped events. If the value is 0, then no
+ // events were dropped.
+ DroppedEvents uint32 `json:"droppedEventsCount,omitempty"`
+ // links is a collection of Links, which are references from this span to a span
+ // in the same or different trace.
+ Links []*SpanLink `json:"links,omitempty"`
+ // dropped_links_count is the number of dropped links after the maximum size was
+ // enforced. If this value is 0, then no links were dropped.
+ DroppedLinks uint32 `json:"droppedLinksCount,omitempty"`
+ // An optional final status for this span. Semantically when Status isn't set, it means
+ // span's status code is unset, i.e. assume STATUS_CODE_UNSET (code = 0).
+ Status *Status `json:"status,omitempty"`
+}
+
+// MarshalJSON encodes s into OTLP formatted JSON.
+func (s Span) MarshalJSON() ([]byte, error) {
+ startT := s.StartTime.UnixNano()
+ if s.StartTime.IsZero() || startT < 0 {
+ startT = 0
+ }
+
+ endT := s.EndTime.UnixNano()
+ if s.EndTime.IsZero() || endT < 0 {
+ endT = 0
+ }
+
+ // Override non-empty default SpanID marshal and omitempty.
+ var parentSpanId string
+ if !s.ParentSpanID.IsEmpty() {
+ b := make([]byte, hex.EncodedLen(spanIDSize))
+ hex.Encode(b, s.ParentSpanID[:])
+ parentSpanId = string(b)
+ }
+
+ type Alias Span
+ return json.Marshal(struct {
+ Alias
+ ParentSpanID string `json:"parentSpanId,omitempty"`
+ StartTime uint64 `json:"startTimeUnixNano,omitempty"`
+ EndTime uint64 `json:"endTimeUnixNano,omitempty"`
+ }{
+ Alias: Alias(s),
+ ParentSpanID: parentSpanId,
+ StartTime: uint64(startT),
+ EndTime: uint64(endT),
+ })
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into s.
+func (s *Span) 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 Span 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 Span field: %#v", keyIface)
+ }
+
+ switch key {
+ case "traceId", "trace_id":
+ err = decoder.Decode(&s.TraceID)
+ case "spanId", "span_id":
+ err = decoder.Decode(&s.SpanID)
+ case "traceState", "trace_state":
+ err = decoder.Decode(&s.TraceState)
+ case "parentSpanId", "parent_span_id":
+ err = decoder.Decode(&s.ParentSpanID)
+ case "flags":
+ err = decoder.Decode(&s.Flags)
+ case "name":
+ err = decoder.Decode(&s.Name)
+ case "kind":
+ err = decoder.Decode(&s.Kind)
+ case "startTimeUnixNano", "start_time_unix_nano":
+ var val protoUint64
+ err = decoder.Decode(&val)
+ s.StartTime = time.Unix(0, int64(val.Uint64()))
+ case "endTimeUnixNano", "end_time_unix_nano":
+ var val protoUint64
+ err = decoder.Decode(&val)
+ s.EndTime = time.Unix(0, int64(val.Uint64()))
+ case "attributes":
+ err = decoder.Decode(&s.Attrs)
+ case "droppedAttributesCount", "dropped_attributes_count":
+ err = decoder.Decode(&s.DroppedAttrs)
+ case "events":
+ err = decoder.Decode(&s.Events)
+ case "droppedEventsCount", "dropped_events_count":
+ err = decoder.Decode(&s.DroppedEvents)
+ case "links":
+ err = decoder.Decode(&s.Links)
+ case "droppedLinksCount", "dropped_links_count":
+ err = decoder.Decode(&s.DroppedLinks)
+ case "status":
+ err = decoder.Decode(&s.Status)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// SpanFlags represents constants used to interpret the
+// Span.flags field, which is protobuf 'fixed32' type and is to
+// be used as bit-fields. Each non-zero value defined in this enum is
+// a bit-mask. To extract the bit-field, for example, use an
+// expression like:
+//
+// (span.flags & SPAN_FLAGS_TRACE_FLAGS_MASK)
+//
+// See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+//
+// Note that Span flags were introduced in version 1.1 of the
+// OpenTelemetry protocol. Older Span producers do not set this
+// field, consequently consumers should not rely on the absence of a
+// particular flag bit to indicate the presence of a particular feature.
+type SpanFlags int32
+
+const (
+ // Bits 0-7 are used for trace flags.
+ SpanFlagsTraceFlagsMask SpanFlags = 255
+ // Bits 8 and 9 are used to indicate that the parent span or link span is remote.
+ // Bit 8 (`HAS_IS_REMOTE`) indicates whether the value is known.
+ // Bit 9 (`IS_REMOTE`) indicates whether the span or link is remote.
+ SpanFlagsContextHasIsRemoteMask SpanFlags = 256
+ // SpanFlagsContextHasIsRemoteMask indicates the Span is remote.
+ SpanFlagsContextIsRemoteMask SpanFlags = 512
+)
+
+// SpanKind is the type of span. Can be used to specify additional relationships between spans
+// in addition to a parent/child relationship.
+type SpanKind int32
+
+const (
+ // Indicates that the span represents an internal operation within an application,
+ // as opposed to an operation happening at the boundaries. Default value.
+ SpanKindInternal SpanKind = 1
+ // Indicates that the span covers server-side handling of an RPC or other
+ // remote network request.
+ SpanKindServer SpanKind = 2
+ // Indicates that the span describes a request to some remote service.
+ SpanKindClient SpanKind = 3
+ // Indicates that the span describes a producer sending a message to a broker.
+ // Unlike CLIENT and SERVER, there is often no direct critical path latency relationship
+ // between producer and consumer spans. A PRODUCER span ends when the message was accepted
+ // by the broker while the logical processing of the message might span a much longer time.
+ SpanKindProducer SpanKind = 4
+ // Indicates that the span describes consumer receiving a message from a broker.
+ // Like the PRODUCER kind, there is often no direct critical path latency relationship
+ // between producer and consumer spans.
+ SpanKindConsumer SpanKind = 5
+)
+
+// Event is a time-stamped annotation of the span, consisting of user-supplied
+// text description and key-value pairs.
+type SpanEvent struct {
+ // time_unix_nano is the time the event occurred.
+ Time time.Time `json:"timeUnixNano,omitempty"`
+ // name of the event.
+ // This field is semantically required to be set to non-empty string.
+ Name string `json:"name,omitempty"`
+ // attributes is a collection of attribute key/value pairs on the event.
+ // Attribute keys MUST be unique (it is not allowed to have more than one
+ // attribute with the same key).
+ Attrs []Attr `json:"attributes,omitempty"`
+ // dropped_attributes_count is the number of dropped attributes. If the value is 0,
+ // then no attributes were dropped.
+ DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
+}
+
+// MarshalJSON encodes e into OTLP formatted JSON.
+func (e SpanEvent) MarshalJSON() ([]byte, error) {
+ t := e.Time.UnixNano()
+ if e.Time.IsZero() || t < 0 {
+ t = 0
+ }
+
+ type Alias SpanEvent
+ return json.Marshal(struct {
+ Alias
+ Time uint64 `json:"timeUnixNano,omitempty"`
+ }{
+ Alias: Alias(e),
+ Time: uint64(t),
+ })
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into se.
+func (se *SpanEvent) 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 SpanEvent 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 SpanEvent field: %#v", keyIface)
+ }
+
+ switch key {
+ case "timeUnixNano", "time_unix_nano":
+ var val protoUint64
+ err = decoder.Decode(&val)
+ se.Time = time.Unix(0, int64(val.Uint64()))
+ case "name":
+ err = decoder.Decode(&se.Name)
+ case "attributes":
+ err = decoder.Decode(&se.Attrs)
+ case "droppedAttributesCount", "dropped_attributes_count":
+ err = decoder.Decode(&se.DroppedAttrs)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// A pointer from the current span to another span in the same trace or in a
+// different trace. For example, this can be used in batching operations,
+// where a single batch handler processes multiple requests from different
+// traces or when the handler receives a request from a different project.
+type SpanLink struct {
+ // A unique identifier of a trace that this linked span is part of. The ID is a
+ // 16-byte array.
+ TraceID TraceID `json:"traceId,omitempty"`
+ // A unique identifier for the linked span. The ID is an 8-byte array.
+ SpanID SpanID `json:"spanId,omitempty"`
+ // The trace_state associated with the link.
+ TraceState string `json:"traceState,omitempty"`
+ // attributes is a collection of attribute key/value pairs on the link.
+ // Attribute keys MUST be unique (it is not allowed to have more than one
+ // attribute with the same key).
+ Attrs []Attr `json:"attributes,omitempty"`
+ // dropped_attributes_count is the number of dropped attributes. If the value is 0,
+ // then no attributes were dropped.
+ DroppedAttrs uint32 `json:"droppedAttributesCount,omitempty"`
+ // Flags, a bit field.
+ //
+ // Bits 0-7 (8 least significant bits) are the trace flags as defined in W3C Trace
+ // Context specification. To read the 8-bit W3C trace flag, use
+ // `flags & SPAN_FLAGS_TRACE_FLAGS_MASK`.
+ //
+ // See https://www.w3.org/TR/trace-context-2/#trace-flags for the flag definitions.
+ //
+ // Bits 8 and 9 represent the 3 states of whether the link is remote.
+ // The states are (unknown, is not remote, is remote).
+ // To read whether the value is known, use `(flags & SPAN_FLAGS_CONTEXT_HAS_IS_REMOTE_MASK) != 0`.
+ // To read whether the link is remote, use `(flags & SPAN_FLAGS_CONTEXT_IS_REMOTE_MASK) != 0`.
+ //
+ // Readers MUST NOT assume that bits 10-31 (22 most significant bits) will be zero.
+ // When creating new spans, bits 10-31 (most-significant 22-bits) MUST be zero.
+ //
+ // [Optional].
+ Flags uint32 `json:"flags,omitempty"`
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into sl.
+func (sl *SpanLink) 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 SpanLink 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 SpanLink field: %#v", keyIface)
+ }
+
+ switch key {
+ case "traceId", "trace_id":
+ err = decoder.Decode(&sl.TraceID)
+ case "spanId", "span_id":
+ err = decoder.Decode(&sl.SpanID)
+ case "traceState", "trace_state":
+ err = decoder.Decode(&sl.TraceState)
+ case "attributes":
+ err = decoder.Decode(&sl.Attrs)
+ case "droppedAttributesCount", "dropped_attributes_count":
+ err = decoder.Decode(&sl.DroppedAttrs)
+ case "flags":
+ err = decoder.Decode(&sl.Flags)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/status.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/status.go
new file mode 100644
index 0000000..1217776
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/status.go
@@ -0,0 +1,40 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+// For the semantics of status codes see
+// https://github.com/open-telemetry/opentelemetry-specification/blob/main/specification/trace/api.md#set-status
+type StatusCode int32
+
+const (
+ // The default status.
+ StatusCodeUnset StatusCode = 0
+ // The Span has been validated by an Application developer or Operator to
+ // have completed successfully.
+ StatusCodeOK StatusCode = 1
+ // The Span contains an error.
+ StatusCodeError StatusCode = 2
+)
+
+var statusCodeStrings = []string{
+ "Unset",
+ "OK",
+ "Error",
+}
+
+func (s StatusCode) String() string {
+ if s >= 0 && int(s) < len(statusCodeStrings) {
+ return statusCodeStrings[s]
+ }
+ return "<unknown telemetry.StatusCode>"
+}
+
+// The Status type defines a logical error model that is suitable for different
+// programming environments, including REST APIs and RPC APIs.
+type Status struct {
+ // A developer-facing human readable error message.
+ Message string `json:"message,omitempty"`
+ // The status code.
+ Code StatusCode `json:"code,omitempty"`
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/traces.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/traces.go
new file mode 100644
index 0000000..69a348f
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/traces.go
@@ -0,0 +1,189 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+package telemetry
+
+import (
+ "bytes"
+ "encoding/json"
+ "errors"
+ "fmt"
+ "io"
+)
+
+// Traces represents the traces data that can be stored in a persistent storage,
+// OR can be embedded by other protocols that transfer OTLP traces data but do
+// not implement the OTLP protocol.
+//
+// The main difference between this message and collector protocol is that
+// in this message there will not be any "control" or "metadata" specific to
+// OTLP protocol.
+//
+// When new fields are added into this message, the OTLP request MUST be updated
+// as well.
+type Traces struct {
+ // An array of ResourceSpans.
+ // For data coming from a single resource this array will typically contain
+ // one element. Intermediary nodes that receive data from multiple origins
+ // typically batch the data before forwarding further and in that case this
+ // array will contain multiple elements.
+ ResourceSpans []*ResourceSpans `json:"resourceSpans,omitempty"`
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into td.
+func (td *Traces) 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 TracesData 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 TracesData field: %#v", keyIface)
+ }
+
+ switch key {
+ case "resourceSpans", "resource_spans":
+ err = decoder.Decode(&td.ResourceSpans)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// A collection of ScopeSpans from a Resource.
+type ResourceSpans struct {
+ // The resource for the spans in this message.
+ // If this field is not set then no resource info is known.
+ Resource Resource `json:"resource"`
+ // A list of ScopeSpans that originate from a resource.
+ ScopeSpans []*ScopeSpans `json:"scopeSpans,omitempty"`
+ // This schema_url applies to the data in the "resource" field. It does not apply
+ // to the data in the "scope_spans" field which have their own schema_url field.
+ SchemaURL string `json:"schemaUrl,omitempty"`
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into rs.
+func (rs *ResourceSpans) 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 ResourceSpans 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 ResourceSpans field: %#v", keyIface)
+ }
+
+ switch key {
+ case "resource":
+ err = decoder.Decode(&rs.Resource)
+ case "scopeSpans", "scope_spans":
+ err = decoder.Decode(&rs.ScopeSpans)
+ case "schemaUrl", "schema_url":
+ err = decoder.Decode(&rs.SchemaURL)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
+
+// A collection of Spans produced by an InstrumentationScope.
+type ScopeSpans struct {
+ // The instrumentation scope information for the spans in this message.
+ // Semantically when InstrumentationScope isn't set, it is equivalent with
+ // an empty instrumentation scope name (unknown).
+ Scope *Scope `json:"scope"`
+ // A list of Spans that originate from an instrumentation scope.
+ Spans []*Span `json:"spans,omitempty"`
+ // The Schema URL, if known. This is the identifier of the Schema that the span data
+ // is recorded in. To learn more about Schema URL see
+ // https://opentelemetry.io/docs/specs/otel/schemas/#schema-url
+ // This schema_url applies to all spans and span events in the "spans" field.
+ SchemaURL string `json:"schemaUrl,omitempty"`
+}
+
+// UnmarshalJSON decodes the OTLP formatted JSON contained in data into ss.
+func (ss *ScopeSpans) 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 ScopeSpans 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 ScopeSpans field: %#v", keyIface)
+ }
+
+ switch key {
+ case "scope":
+ err = decoder.Decode(&ss.Scope)
+ case "spans":
+ err = decoder.Decode(&ss.Spans)
+ case "schemaUrl", "schema_url":
+ err = decoder.Decode(&ss.SchemaURL)
+ default:
+ // Skip unknown.
+ }
+
+ if err != nil {
+ return err
+ }
+ }
+ return nil
+}
diff --git a/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/value.go b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/value.go
new file mode 100644
index 0000000..0dd01b0
--- /dev/null
+++ b/vendor/go.opentelemetry.io/auto/sdk/internal/telemetry/value.go
@@ -0,0 +1,452 @@
+// Copyright The OpenTelemetry Authors
+// SPDX-License-Identifier: Apache-2.0
+
+//go:generate stringer -type=ValueKind -trimprefix=ValueKind
+
+package 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), 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 fmt.Sprint(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)})
+ 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
+}