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profiling_report_service.go
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profiling_report_service.go
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// Licensed to Apache Software Foundation (ASF) under one or more contributor
// license agreements. See the NOTICE file distributed with
// this work for additional information regarding copyright
// ownership. Apache Software Foundation (ASF) licenses this file to you 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 nativeebpfprofiling
import (
"context"
"io"
"time"
module "github.com/apache/skywalking-satellite/internal/satellite/module/api"
common "skywalking.apache.org/repo/goapi/collect/common/v3"
v3 "skywalking.apache.org/repo/goapi/collect/ebpf/profiling/v3"
sniffer "skywalking.apache.org/repo/goapi/satellite/data/v1"
)
const eventName = "grpc-ebpfebpfprofiling-event"
type ProfilingReportService struct {
receiveChannel chan *sniffer.SniffData
module.SyncInvoker
v3.UnimplementedEBPFProfilingServiceServer
}
func (p *ProfilingReportService) QueryTasks(ctx context.Context, d *v3.EBPFProfilingTaskQuery) (*common.Commands, error) {
event := &sniffer.SniffData{
Data: &sniffer.SniffData_EBPFProfilingTaskQuery{
EBPFProfilingTaskQuery: d,
},
}
data, err := p.SyncInvoker.SyncInvoke(event)
if err != nil {
return nil, err
}
return data.GetCommands(), nil
}
func (p *ProfilingReportService) CollectProfilingData(stream v3.EBPFProfilingService_CollectProfilingDataServer) error {
dataList := make([]*v3.EBPFProfilingData, 0)
for {
snapshot, err := stream.Recv()
if err == io.EOF {
return p.sendData(dataList, stream)
}
if err != nil {
return err
}
dataList = append(dataList, snapshot)
}
}
func (p *ProfilingReportService) sendData(dataList []*v3.EBPFProfilingData, stream v3.EBPFProfilingService_CollectProfilingDataServer) error {
e := &sniffer.SniffData{
Name: eventName,
Timestamp: time.Now().UnixNano() / 1e6,
Meta: nil,
Type: sniffer.SniffType_EBPFProfilingType,
Remote: true,
Data: &sniffer.SniffData_EBPFProfilingDataList{
EBPFProfilingDataList: &sniffer.EBPFProfilingDataList{
DataList: dataList,
},
},
}
p.receiveChannel <- e
return stream.SendAndClose(&common.Commands{})
}