forked from jaegertracing/jaeger
/
grpc_handler.go
144 lines (131 loc) · 4.25 KB
/
grpc_handler.go
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// Copyright (c) 2021 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 apiv3
import (
"context"
"fmt"
"github.com/gogo/protobuf/types"
"google.golang.org/grpc/codes"
"google.golang.org/grpc/status"
"github.com/zdyj3170101136/jaeger/cmd/query/app/querysvc"
"github.com/zdyj3170101136/jaeger/model"
"github.com/zdyj3170101136/jaeger/proto-gen/api_v3"
"github.com/zdyj3170101136/jaeger/storage/spanstore"
)
// Handler implements api_v3.QueryServiceServer
type Handler struct {
QueryService *querysvc.QueryService
}
var _ api_v3.QueryServiceServer = (*Handler)(nil)
// GetTrace implements api_v3.QueryServiceServer's GetTrace
func (h *Handler) GetTrace(request *api_v3.GetTraceRequest, stream api_v3.QueryService_GetTraceServer) error {
traceID, err := model.TraceIDFromString(request.GetTraceId())
if err != nil {
return err
}
trace, err := h.QueryService.GetTrace(stream.Context(), traceID)
if err != nil {
return err
}
resourceSpans := jaegerSpansToOTLP(trace.GetSpans())
return stream.Send(&api_v3.SpansResponseChunk{
ResourceSpans: resourceSpans,
})
}
// FindTraces implements api_v3.QueryServiceServer's FindTraces
func (h *Handler) FindTraces(request *api_v3.FindTracesRequest, stream api_v3.QueryService_FindTracesServer) error {
query := request.GetQuery()
if query == nil {
return status.Errorf(codes.InvalidArgument, "missing query")
}
if query.GetStartTimeMin() == nil ||
query.GetStartTimeMax() == nil {
return fmt.Errorf("start time min and max are required parameters")
}
queryParams := &spanstore.TraceQueryParameters{
ServiceName: query.GetServiceName(),
OperationName: query.GetOperationName(),
Tags: query.GetAttributes(),
NumTraces: int(query.GetNumTraces()),
}
if query.GetStartTimeMin() != nil {
startTimeMin, err := types.TimestampFromProto(query.GetStartTimeMin())
if err != nil {
return err
}
queryParams.StartTimeMin = startTimeMin
}
if query.GetStartTimeMax() != nil {
startTimeMax, err := types.TimestampFromProto(query.GetStartTimeMax())
if err != nil {
return err
}
queryParams.StartTimeMax = startTimeMax
}
if query.GetDurationMin() != nil {
durationMin, err := types.DurationFromProto(query.GetDurationMin())
if err != nil {
return err
}
queryParams.DurationMin = durationMin
}
if query.GetDurationMax() != nil {
durationMax, err := types.DurationFromProto(query.GetDurationMax())
if err != nil {
return err
}
queryParams.DurationMax = durationMax
}
traces, err := h.QueryService.FindTraces(stream.Context(), queryParams)
if err != nil {
return err
}
for _, t := range traces {
resourceSpans := jaegerSpansToOTLP(t.GetSpans())
stream.Send(&api_v3.SpansResponseChunk{
ResourceSpans: resourceSpans,
})
}
return nil
}
// GetServices implements api_v3.QueryServiceServer's GetServices
func (h *Handler) GetServices(ctx context.Context, _ *api_v3.GetServicesRequest) (*api_v3.GetServicesResponse, error) {
services, err := h.QueryService.GetServices(ctx)
if err != nil {
return nil, err
}
return &api_v3.GetServicesResponse{
Services: services,
}, nil
}
// GetOperations implements api_v3.QueryService's GetOperations
func (h *Handler) GetOperations(ctx context.Context, request *api_v3.GetOperationsRequest) (*api_v3.GetOperationsResponse, error) {
operations, err := h.QueryService.GetOperations(ctx, spanstore.OperationQueryParameters{
ServiceName: request.GetService(),
SpanKind: request.GetSpanKind(),
})
if err != nil {
return nil, err
}
apiOperations := make([]*api_v3.Operation, len(operations))
for i := range operations {
apiOperations[i] = &api_v3.Operation{
Name: operations[i].Name,
SpanKind: operations[i].SpanKind,
}
}
return &api_v3.GetOperationsResponse{
Operations: apiOperations,
}, nil
}