diff options
Diffstat (limited to 'vendor/go.opentelemetry.io/otel/trace')
11 files changed, 184 insertions, 74 deletions
diff --git a/vendor/go.opentelemetry.io/otel/trace/LICENSE b/vendor/go.opentelemetry.io/otel/trace/LICENSE index 261eeb9e9..f1aee0f11 100644 --- a/vendor/go.opentelemetry.io/otel/trace/LICENSE +++ b/vendor/go.opentelemetry.io/otel/trace/LICENSE @@ -199,3 +199,33 @@ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License. + +-------------------------------------------------------------------------------- + +Copyright 2009 The Go Authors. + +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 LLC 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.
\ No newline at end of file diff --git a/vendor/go.opentelemetry.io/otel/trace/auto.go b/vendor/go.opentelemetry.io/otel/trace/auto.go index f3aa39813..8763936a8 100644 --- a/vendor/go.opentelemetry.io/otel/trace/auto.go +++ b/vendor/go.opentelemetry.io/otel/trace/auto.go @@ -20,7 +20,7 @@ import ( "go.opentelemetry.io/otel/attribute" "go.opentelemetry.io/otel/codes" - semconv "go.opentelemetry.io/otel/semconv/v1.34.0" + semconv "go.opentelemetry.io/otel/semconv/v1.37.0" "go.opentelemetry.io/otel/trace/embedded" "go.opentelemetry.io/otel/trace/internal/telemetry" ) @@ -39,7 +39,7 @@ type autoTracerProvider struct{ embedded.TracerProvider } var _ TracerProvider = autoTracerProvider{} -func (p autoTracerProvider) Tracer(name string, opts ...TracerOption) Tracer { +func (autoTracerProvider) Tracer(name string, opts ...TracerOption) Tracer { cfg := NewTracerConfig(opts...) return autoTracer{ name: name, @@ -81,7 +81,7 @@ func (t autoTracer) Start(ctx context.Context, name string, opts ...SpanStartOpt // Expected to be implemented in eBPF. // //go:noinline -func (t *autoTracer) start( +func (*autoTracer) start( ctx context.Context, spanPtr *autoSpan, psc *SpanContext, diff --git a/vendor/go.opentelemetry.io/otel/trace/config.go b/vendor/go.opentelemetry.io/otel/trace/config.go index 9c0b720a4..aea11a2b5 100644 --- a/vendor/go.opentelemetry.io/otel/trace/config.go +++ b/vendor/go.opentelemetry.io/otel/trace/config.go @@ -73,7 +73,7 @@ func (cfg *SpanConfig) Timestamp() time.Time { return cfg.timestamp } -// StackTrace checks whether stack trace capturing is enabled. +// StackTrace reports whether stack trace capturing is enabled. func (cfg *SpanConfig) StackTrace() bool { return cfg.stackTrace } @@ -154,7 +154,7 @@ func (cfg *EventConfig) Timestamp() time.Time { return cfg.timestamp } -// StackTrace checks whether stack trace capturing is enabled. +// StackTrace reports whether stack trace capturing is enabled. func (cfg *EventConfig) StackTrace() bool { return cfg.stackTrace } diff --git a/vendor/go.opentelemetry.io/otel/trace/hex.go b/vendor/go.opentelemetry.io/otel/trace/hex.go new file mode 100644 index 000000000..1cbef1d4b --- /dev/null +++ b/vendor/go.opentelemetry.io/otel/trace/hex.go @@ -0,0 +1,38 @@ +// Copyright The OpenTelemetry Authors +// SPDX-License-Identifier: Apache-2.0 + +package trace // import "go.opentelemetry.io/otel/trace" + +const ( + // hexLU is a hex lookup table of the 16 lowercase hex digits. + // The character values of the string are indexed at the equivalent + // hexadecimal value they represent. This table efficiently encodes byte data + // into a string representation of hexadecimal. + hexLU = "0123456789abcdef" + + // hexRev is a reverse hex lookup table for lowercase hex digits. + // The table is efficiently decodes a hexadecimal string into bytes. + // Valid hexadecimal characters are indexed at their respective values. All + // other invalid ASCII characters are represented with '\xff'. + // + // The '\xff' character is used as invalid because no valid character has + // the upper 4 bits set. Meaning, an efficient validation can be performed + // over multiple character parsing by checking these bits remain zero. + hexRev = "" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\x00\x01\x02\x03\x04\x05\x06\x07\x08\x09\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\x0a\x0b\x0c\x0d\x0e\x0f\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" + + "\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff\xff" +) diff --git a/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/attr.go b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/attr.go index f663547b4..ff0f6eac6 100644 --- a/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/attr.go +++ b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/attr.go @@ -52,7 +52,7 @@ func Map(key string, value ...Attr) Attr { return Attr{key, MapValue(value...)} } -// Equal returns if a is equal to b. +// Equal reports whether 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/otel/trace/internal/telemetry/id.go b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/id.go index 7b1ae3c4e..bea56f2e7 100644 --- a/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/id.go +++ b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/id.go @@ -22,7 +22,7 @@ func (tid TraceID) String() string { return hex.EncodeToString(tid[:]) } -// IsEmpty returns false if id contains at least one non-zero byte. +// IsEmpty reports whether the TraceID contains only zero bytes. func (tid TraceID) IsEmpty() bool { return tid == [traceIDSize]byte{} } @@ -50,7 +50,7 @@ func (sid SpanID) String() string { return hex.EncodeToString(sid[:]) } -// IsEmpty returns true if the span ID contains at least one non-zero byte. +// IsEmpty reports whether the SpanID contains only zero bytes. func (sid SpanID) IsEmpty() bool { return sid == [spanIDSize]byte{} } @@ -82,7 +82,7 @@ func marshalJSON(id []byte) ([]byte, error) { } // unmarshalJSON inflates trace id from hex string, possibly enclosed in quotes. -func unmarshalJSON(dst []byte, src []byte) error { +func unmarshalJSON(dst, src []byte) error { if l := len(src); l >= 2 && src[0] == '"' && src[l-1] == '"' { src = src[1 : l-1] } diff --git a/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go index ae9ce102a..cb7927b81 100644 --- a/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go +++ b/vendor/go.opentelemetry.io/otel/trace/internal/telemetry/value.go @@ -257,10 +257,10 @@ func (v Value) Kind() ValueKind { } } -// Empty returns if v does not hold any value. +// Empty reports whether v does not hold any value. func (v Value) Empty() bool { return v.Kind() == ValueKindEmpty } -// Equal returns if v is equal to w. +// Equal reports whether v is equal to w. func (v Value) Equal(w Value) bool { k1 := v.Kind() k2 := w.Kind() diff --git a/vendor/go.opentelemetry.io/otel/trace/noop.go b/vendor/go.opentelemetry.io/otel/trace/noop.go index 0f56e4dbb..400fab123 100644 --- a/vendor/go.opentelemetry.io/otel/trace/noop.go +++ b/vendor/go.opentelemetry.io/otel/trace/noop.go @@ -26,7 +26,7 @@ type noopTracerProvider struct{ embedded.TracerProvider } var _ TracerProvider = noopTracerProvider{} // Tracer returns noop implementation of Tracer. -func (p noopTracerProvider) Tracer(string, ...TracerOption) Tracer { +func (noopTracerProvider) Tracer(string, ...TracerOption) Tracer { return noopTracer{} } @@ -37,7 +37,7 @@ var _ Tracer = noopTracer{} // Start carries forward a non-recording Span, if one is present in the context, otherwise it // creates a no-op Span. -func (t noopTracer) Start(ctx context.Context, name string, _ ...SpanStartOption) (context.Context, Span) { +func (noopTracer) Start(ctx context.Context, _ string, _ ...SpanStartOption) (context.Context, Span) { span := SpanFromContext(ctx) if _, ok := span.(nonRecordingSpan); !ok { // span is likely already a noopSpan, but let's be sure diff --git a/vendor/go.opentelemetry.io/otel/trace/noop/noop.go b/vendor/go.opentelemetry.io/otel/trace/noop/noop.go index 64a4f1b36..689d220df 100644 --- a/vendor/go.opentelemetry.io/otel/trace/noop/noop.go +++ b/vendor/go.opentelemetry.io/otel/trace/noop/noop.go @@ -51,7 +51,7 @@ type Tracer struct{ embedded.Tracer } // If ctx contains a span context, the returned span will also contain that // span context. If the span context in ctx is for a non-recording span, that // span instance will be returned directly. -func (t Tracer) Start(ctx context.Context, _ string, _ ...trace.SpanStartOption) (context.Context, trace.Span) { +func (Tracer) Start(ctx context.Context, _ string, _ ...trace.SpanStartOption) (context.Context, trace.Span) { span := trace.SpanFromContext(ctx) // If the parent context contains a non-zero span context, that span diff --git a/vendor/go.opentelemetry.io/otel/trace/trace.go b/vendor/go.opentelemetry.io/otel/trace/trace.go index d49adf671..ee6f4bcb2 100644 --- a/vendor/go.opentelemetry.io/otel/trace/trace.go +++ b/vendor/go.opentelemetry.io/otel/trace/trace.go @@ -4,8 +4,6 @@ package trace // import "go.opentelemetry.io/otel/trace" import ( - "bytes" - "encoding/hex" "encoding/json" ) @@ -38,21 +36,47 @@ var ( _ json.Marshaler = nilTraceID ) -// IsValid checks whether the trace TraceID is valid. A valid trace ID does +// IsValid reports whether the trace TraceID is valid. A valid trace ID does // not consist of zeros only. func (t TraceID) IsValid() bool { - return !bytes.Equal(t[:], nilTraceID[:]) + return t != nilTraceID } // MarshalJSON implements a custom marshal function to encode TraceID // as a hex string. func (t TraceID) MarshalJSON() ([]byte, error) { - return json.Marshal(t.String()) + b := [32 + 2]byte{0: '"', 33: '"'} + h := t.hexBytes() + copy(b[1:], h[:]) + return b[:], nil } // String returns the hex string representation form of a TraceID. func (t TraceID) String() string { - return hex.EncodeToString(t[:]) + h := t.hexBytes() + return string(h[:]) +} + +// hexBytes returns the hex string representation form of a TraceID. +func (t TraceID) hexBytes() [32]byte { + return [32]byte{ + hexLU[t[0x0]>>4], hexLU[t[0x0]&0xf], + hexLU[t[0x1]>>4], hexLU[t[0x1]&0xf], + hexLU[t[0x2]>>4], hexLU[t[0x2]&0xf], + hexLU[t[0x3]>>4], hexLU[t[0x3]&0xf], + hexLU[t[0x4]>>4], hexLU[t[0x4]&0xf], + hexLU[t[0x5]>>4], hexLU[t[0x5]&0xf], + hexLU[t[0x6]>>4], hexLU[t[0x6]&0xf], + hexLU[t[0x7]>>4], hexLU[t[0x7]&0xf], + hexLU[t[0x8]>>4], hexLU[t[0x8]&0xf], + hexLU[t[0x9]>>4], hexLU[t[0x9]&0xf], + hexLU[t[0xa]>>4], hexLU[t[0xa]&0xf], + hexLU[t[0xb]>>4], hexLU[t[0xb]&0xf], + hexLU[t[0xc]>>4], hexLU[t[0xc]&0xf], + hexLU[t[0xd]>>4], hexLU[t[0xd]&0xf], + hexLU[t[0xe]>>4], hexLU[t[0xe]&0xf], + hexLU[t[0xf]>>4], hexLU[t[0xf]&0xf], + } } // SpanID is a unique identity of a span in a trace. @@ -63,21 +87,38 @@ var ( _ json.Marshaler = nilSpanID ) -// IsValid checks whether the SpanID is valid. A valid SpanID does not consist +// IsValid reports whether the SpanID is valid. A valid SpanID does not consist // of zeros only. func (s SpanID) IsValid() bool { - return !bytes.Equal(s[:], nilSpanID[:]) + return s != nilSpanID } // MarshalJSON implements a custom marshal function to encode SpanID // as a hex string. func (s SpanID) MarshalJSON() ([]byte, error) { - return json.Marshal(s.String()) + b := [16 + 2]byte{0: '"', 17: '"'} + h := s.hexBytes() + copy(b[1:], h[:]) + return b[:], nil } // String returns the hex string representation form of a SpanID. func (s SpanID) String() string { - return hex.EncodeToString(s[:]) + b := s.hexBytes() + return string(b[:]) +} + +func (s SpanID) hexBytes() [16]byte { + return [16]byte{ + hexLU[s[0]>>4], hexLU[s[0]&0xf], + hexLU[s[1]>>4], hexLU[s[1]&0xf], + hexLU[s[2]>>4], hexLU[s[2]&0xf], + hexLU[s[3]>>4], hexLU[s[3]&0xf], + hexLU[s[4]>>4], hexLU[s[4]&0xf], + hexLU[s[5]>>4], hexLU[s[5]&0xf], + hexLU[s[6]>>4], hexLU[s[6]&0xf], + hexLU[s[7]>>4], hexLU[s[7]&0xf], + } } // TraceIDFromHex returns a TraceID from a hex string if it is compliant with @@ -85,65 +126,58 @@ func (s SpanID) String() string { // https://www.w3.org/TR/trace-context/#trace-id // nolint:revive // revive complains about stutter of `trace.TraceIDFromHex`. func TraceIDFromHex(h string) (TraceID, error) { - t := TraceID{} if len(h) != 32 { - return t, errInvalidTraceIDLength + return [16]byte{}, errInvalidTraceIDLength } - - if err := decodeHex(h, t[:]); err != nil { - return t, err + var b [16]byte + invalidMark := byte(0) + for i := 0; i < len(h); i += 4 { + b[i/2] = (hexRev[h[i]] << 4) | hexRev[h[i+1]] + b[i/2+1] = (hexRev[h[i+2]] << 4) | hexRev[h[i+3]] + invalidMark |= hexRev[h[i]] | hexRev[h[i+1]] | hexRev[h[i+2]] | hexRev[h[i+3]] } - - if !t.IsValid() { - return t, errNilTraceID + // If the upper 4 bits of any byte are not zero, there was an invalid hex + // character since invalid hex characters are 0xff in hexRev. + if invalidMark&0xf0 != 0 { + return [16]byte{}, errInvalidHexID + } + // If we didn't set any bits, then h was all zeros. + if invalidMark == 0 { + return [16]byte{}, errNilTraceID } - return t, nil + return b, nil } // SpanIDFromHex returns a SpanID from a hex string if it is compliant // with the w3c trace-context specification. // See more at https://www.w3.org/TR/trace-context/#parent-id func SpanIDFromHex(h string) (SpanID, error) { - s := SpanID{} if len(h) != 16 { - return s, errInvalidSpanIDLength - } - - if err := decodeHex(h, s[:]); err != nil { - return s, err + return [8]byte{}, errInvalidSpanIDLength } - - if !s.IsValid() { - return s, errNilSpanID + var b [8]byte + invalidMark := byte(0) + for i := 0; i < len(h); i += 4 { + b[i/2] = (hexRev[h[i]] << 4) | hexRev[h[i+1]] + b[i/2+1] = (hexRev[h[i+2]] << 4) | hexRev[h[i+3]] + invalidMark |= hexRev[h[i]] | hexRev[h[i+1]] | hexRev[h[i+2]] | hexRev[h[i+3]] } - return s, nil -} - -func decodeHex(h string, b []byte) error { - for _, r := range h { - switch { - case 'a' <= r && r <= 'f': - continue - case '0' <= r && r <= '9': - continue - default: - return errInvalidHexID - } + // If the upper 4 bits of any byte are not zero, there was an invalid hex + // character since invalid hex characters are 0xff in hexRev. + if invalidMark&0xf0 != 0 { + return [8]byte{}, errInvalidHexID } - - decoded, err := hex.DecodeString(h) - if err != nil { - return err + // If we didn't set any bits, then h was all zeros. + if invalidMark == 0 { + return [8]byte{}, errNilSpanID } - - copy(b, decoded) - return nil + return b, nil } // TraceFlags contains flags that can be set on a SpanContext. type TraceFlags byte //nolint:revive // revive complains about stutter of `trace.TraceFlags`. -// IsSampled returns if the sampling bit is set in the TraceFlags. +// IsSampled reports whether the sampling bit is set in the TraceFlags. func (tf TraceFlags) IsSampled() bool { return tf&FlagsSampled == FlagsSampled } @@ -160,12 +194,20 @@ func (tf TraceFlags) WithSampled(sampled bool) TraceFlags { // nolint:revive // // MarshalJSON implements a custom marshal function to encode TraceFlags // as a hex string. func (tf TraceFlags) MarshalJSON() ([]byte, error) { - return json.Marshal(tf.String()) + b := [2 + 2]byte{0: '"', 3: '"'} + h := tf.hexBytes() + copy(b[1:], h[:]) + return b[:], nil } // String returns the hex string representation form of TraceFlags. func (tf TraceFlags) String() string { - return hex.EncodeToString([]byte{byte(tf)}[:]) + h := tf.hexBytes() + return string(h[:]) +} + +func (tf TraceFlags) hexBytes() [2]byte { + return [2]byte{hexLU[tf>>4], hexLU[tf&0xf]} } // SpanContextConfig contains mutable fields usable for constructing @@ -201,13 +243,13 @@ type SpanContext struct { var _ json.Marshaler = SpanContext{} -// IsValid returns if the SpanContext is valid. A valid span context has a +// IsValid reports whether the SpanContext is valid. A valid span context has a // valid TraceID and SpanID. func (sc SpanContext) IsValid() bool { return sc.HasTraceID() && sc.HasSpanID() } -// IsRemote indicates whether the SpanContext represents a remotely-created Span. +// IsRemote reports whether the SpanContext represents a remotely-created Span. func (sc SpanContext) IsRemote() bool { return sc.remote } @@ -228,7 +270,7 @@ func (sc SpanContext) TraceID() TraceID { return sc.traceID } -// HasTraceID checks if the SpanContext has a valid TraceID. +// HasTraceID reports whether the SpanContext has a valid TraceID. func (sc SpanContext) HasTraceID() bool { return sc.traceID.IsValid() } @@ -249,7 +291,7 @@ func (sc SpanContext) SpanID() SpanID { return sc.spanID } -// HasSpanID checks if the SpanContext has a valid SpanID. +// HasSpanID reports whether the SpanContext has a valid SpanID. func (sc SpanContext) HasSpanID() bool { return sc.spanID.IsValid() } @@ -270,7 +312,7 @@ func (sc SpanContext) TraceFlags() TraceFlags { return sc.traceFlags } -// IsSampled returns if the sampling bit is set in the SpanContext's TraceFlags. +// IsSampled reports whether the sampling bit is set in the SpanContext's TraceFlags. func (sc SpanContext) IsSampled() bool { return sc.traceFlags.IsSampled() } @@ -302,7 +344,7 @@ func (sc SpanContext) WithTraceState(state TraceState) SpanContext { } } -// Equal is a predicate that determines whether two SpanContext values are equal. +// Equal reports whether two SpanContext values are equal. func (sc SpanContext) Equal(other SpanContext) bool { return sc.traceID == other.traceID && sc.spanID == other.spanID && diff --git a/vendor/go.opentelemetry.io/otel/trace/tracestate.go b/vendor/go.opentelemetry.io/otel/trace/tracestate.go index dc5e34cad..073adae2f 100644 --- a/vendor/go.opentelemetry.io/otel/trace/tracestate.go +++ b/vendor/go.opentelemetry.io/otel/trace/tracestate.go @@ -80,7 +80,7 @@ func checkKeyRemain(key string) bool { // // param n is remain part length, should be 255 in simple-key or 13 in system-id. func checkKeyPart(key string, n int) bool { - if len(key) == 0 { + if key == "" { return false } first := key[0] // key's first char @@ -102,7 +102,7 @@ func isAlphaNum(c byte) bool { // // param n is remain part length, should be 240 exactly. func checkKeyTenant(key string, n int) bool { - if len(key) == 0 { + if key == "" { return false } return isAlphaNum(key[0]) && len(key[1:]) <= n && checkKeyRemain(key[1:]) @@ -191,7 +191,7 @@ func ParseTraceState(ts string) (TraceState, error) { for ts != "" { var memberStr string memberStr, ts, _ = strings.Cut(ts, listDelimiters) - if len(memberStr) == 0 { + if memberStr == "" { continue } |