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grpc_handler.go
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/
grpc_handler.go
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// Copyright (c) 2018 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 handler
import (
"context"
"go.uber.org/zap"
"github.com/jaegertracing/jaeger/cmd/collector/app/processor"
"github.com/jaegertracing/jaeger/proto-gen/api_v2"
)
// GRPCHandler implements gRPC CollectorService.
type GRPCHandler struct {
logger *zap.Logger
spanProcessor processor.SpanProcessor
}
// NewGRPCHandler registers routes for this handler on the given router.
func NewGRPCHandler(logger *zap.Logger, spanProcessor processor.SpanProcessor) *GRPCHandler {
return &GRPCHandler{
logger: logger,
spanProcessor: spanProcessor,
}
}
// PostSpans implements gRPC CollectorService.
func (g *GRPCHandler) PostSpans(ctx context.Context, r *api_v2.PostSpansRequest) (*api_v2.PostSpansResponse, error) {
for _, span := range r.GetBatch().Spans {
if span.GetProcess() == nil {
span.Process = r.Batch.Process
}
}
_, err := g.spanProcessor.ProcessSpans(r.GetBatch().Spans, processor.SpansOptions{
InboundTransport: processor.GRPCTransport,
SpanFormat: processor.ProtoSpanFormat,
})
if err != nil {
g.logger.Error("cannot process spans", zap.Error(err))
return nil, err
}
return &api_v2.PostSpansResponse{}, nil
}