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reporter.go
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reporter.go
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// Copyright (c) 2017 Uber Technologies, Inc.
//
// 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 grpc
import (
"context"
"go.uber.org/zap"
"google.golang.org/grpc"
zipkin2 "github.com/jaegertracing/jaeger/cmd/collector/app/sanitizer/zipkin"
"github.com/jaegertracing/jaeger/model"
jConverter "github.com/jaegertracing/jaeger/model/converter/thrift/jaeger"
"github.com/jaegertracing/jaeger/model/converter/thrift/zipkin"
"github.com/jaegertracing/jaeger/proto-gen/api_v2"
thrift "github.com/jaegertracing/jaeger/thrift-gen/jaeger"
"github.com/jaegertracing/jaeger/thrift-gen/zipkincore"
)
// Reporter reports data to collector over gRPC.
type Reporter struct {
collector api_v2.CollectorServiceClient
logger *zap.Logger
sanitizer zipkin2.Sanitizer
}
// NewReporter creates gRPC reporter.
func NewReporter(conn *grpc.ClientConn, logger *zap.Logger) *Reporter {
return &Reporter{
collector: api_v2.NewCollectorServiceClient(conn),
logger: logger,
sanitizer: zipkin2.NewChainedSanitizer(zipkin2.StandardSanitizers...),
}
}
// EmitBatch implements EmitBatch() of Reporter
func (r *Reporter) EmitBatch(b *thrift.Batch) error {
return r.send(jConverter.ToDomain(b.Spans, nil), jConverter.ToDomainProcess(b.Process))
}
// EmitZipkinBatch implements EmitZipkinBatch() of Reporter
func (r *Reporter) EmitZipkinBatch(zSpans []*zipkincore.Span) error {
for _, zSpan := range zSpans {
zSpan = r.sanitizer.Sanitize(zSpan)
}
trace, err := zipkin.ToDomain(zSpans)
if err != nil {
return err
}
return r.send(trace.Spans, nil)
}
func (r *Reporter) send(spans []*model.Span, process *model.Process) error {
batch := model.Batch{Spans: spans, Process: process}
req := &api_v2.PostSpansRequest{Batch: batch}
_, err := r.collector.PostSpans(context.Background(), req)
if err != nil {
r.logger.Error("Could not send spans over gRPC", zap.Error(err))
}
return err
}