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Diffstat (limited to 'examples/service-client/service_client.go')
-rw-r--r-- | examples/service-client/service_client.go | 77 |
1 files changed, 77 insertions, 0 deletions
diff --git a/examples/service-client/service_client.go b/examples/service-client/service_client.go new file mode 100644 index 0000000..9aa07db --- /dev/null +++ b/examples/service-client/service_client.go @@ -0,0 +1,77 @@ +// Copyright (c) 2017 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. + +// service-client is an example VPP management application that exercises the +// govpp API using generated service client. +package main + +import ( + "bytes" + "context" + "fmt" + "log" + + "git.fd.io/govpp.git" + "git.fd.io/govpp.git/api" + "git.fd.io/govpp.git/examples/binapi/interfaces" + "git.fd.io/govpp.git/examples/binapi/vpe" +) + +func main() { + fmt.Println("Starting VPP service client...") + + // connect to VPP + conn, err := govpp.Connect("") + if err != nil { + log.Fatalln("failed to connect:", err) + } + defer conn.Disconnect() + + // create an API channel + ch, err := conn.NewAPIChannel() + if err != nil { + log.Fatalln("failed to create channel:", err) + } + defer ch.Close() + + showVersion(ch) + interfaceDump(ch) +} + +// showVersion shows an example of simple request with services. +func showVersion(ch api.Channel) { + c := vpe.NewService(ch) + + version, err := c.ShowVersion(context.Background(), &vpe.ShowVersion{}) + if err != nil { + log.Fatalln("ShowVersion failed:", err) + } + + fmt.Printf("Version: %v\n", version.Version) +} + +// interfaceDump shows an example of multi request with services. +func interfaceDump(ch api.Channel) { + c := interfaces.NewService(ch) + + ifaces, err := c.DumpSwInterface(context.Background(), &interfaces.SwInterfaceDump{}) + if err != nil { + log.Fatalln("DumpSwInterface failed:", err) + } + + fmt.Printf("Listing %d interfaces:\n", len(ifaces)) + for _, d := range ifaces { + fmt.Printf("- interface: %s\n", bytes.Trim(d.InterfaceName, "\x00")) + } +} |