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// Copyright (c) 2018 Cisco and/or its affiliates.
//
// 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 main
import (
"fmt"
"log"
"git.fd.io/govpp.git/adapter"
"git.fd.io/govpp.git/adapter/vppapiclient"
)
// This example shows how to work with VPP's new stats API.
func main() {
fmt.Println("Starting VPP stats API example..")
client := vppapiclient.NewStatClient(vppapiclient.DefaultStatSocket)
// connect to stats API
if err := client.Connect(); err != nil {
log.Fatalln("connecting client failed:", err)
}
defer client.Disconnect()
// list stats by patterns
// you can omit parameters to list all stats
list, err := client.ListStats("/if", "/sys")
if err != nil {
log.Fatalln("listing stats failed:", err)
}
for _, stat := range list {
fmt.Printf(" - %v\n", stat)
}
fmt.Printf("listed %d stats\n", len(list))
// dump stats by patterns to retrieve stats with the stats data
stats, err := client.DumpStats()
if err != nil {
log.Fatalln("dumping stats failed:", err)
}
for _, stat := range stats {
switch data := stat.Data.(type) {
case adapter.ErrorStat:
if data == 0 {
// skip printing errors with 0 value
continue
}
}
fmt.Printf(" - %-25s %25v %+v\n", stat.Name, stat.Type, stat.Data)
}
}
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