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interface.go
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interface.go
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// Copyright (c) 2020 The Jaeger Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// 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.
package processor
import (
"errors"
"io"
"github.com/jaegertracing/jaeger/model"
)
// ErrBusy signalizes that processor cannot process incoming data
var ErrBusy = errors.New("server busy")
// SpansOptions additional options passed to processor along with the spans.
type SpansOptions struct {
SpanFormat SpanFormat
InboundTransport InboundTransport
Tenant string
}
// SpanProcessor handles model spans
type SpanProcessor interface {
// ProcessSpans processes model spans and return with either a list of true/false success or an error
ProcessSpans(mSpans []*model.Span, options SpansOptions) ([]bool, error)
io.Closer
}
// InboundTransport identifies the transport used to receive spans.
type InboundTransport string
const (
// GRPCTransport indicates spans received over gRPC.
GRPCTransport InboundTransport = "grpc"
// HTTPTransport indicates spans received over HTTP.
HTTPTransport InboundTransport = "http"
// UnknownTransport is the fallback/catch-all category.
UnknownTransport InboundTransport = "unknown"
)
// SpanFormat identifies the data format in which the span was originally received.
type SpanFormat string
const (
// JaegerSpanFormat is for Jaeger Thrift spans.
JaegerSpanFormat SpanFormat = "jaeger"
// ZipkinSpanFormat is for Zipkin Thrift spans.
ZipkinSpanFormat SpanFormat = "zipkin"
// ProtoSpanFormat is for Jaeger protobuf Spans.
ProtoSpanFormat SpanFormat = "proto"
// OTLPSpanFormat is for OpenTelemetry OTLP format.
OTLPSpanFormat SpanFormat = "otlp"
// UnknownSpanFormat is the fallback/catch-all category.
UnknownSpanFormat SpanFormat = "unknown"
)