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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 (
"flag"
"fmt"
"os"
"github.com/sirupsen/logrus"
"git.fd.io/govpp.git/binapigen"
"git.fd.io/govpp.git/binapigen/vppapi"
"git.fd.io/govpp.git/version"
)
func init() {
flag.Usage = func() {
fmt.Fprintf(flag.CommandLine.Output(), "Usage: %s [OPTION]... [API]...\n", os.Args[0])
fmt.Fprintln(flag.CommandLine.Output(), "Generate code for each API.")
fmt.Fprintf(flag.CommandLine.Output(), "Example: %s -output-dir=binapi acl interface l2\n", os.Args[0])
fmt.Fprintln(flag.CommandLine.Output())
fmt.Fprintln(flag.CommandLine.Output(), "Options:")
flag.CommandLine.PrintDefaults()
}
}
func main() {
var (
theInputFile = flag.String("input-file", "", "Input VPP API file. (DEPRECATED: Use program arguments to define VPP API files)")
theApiDir = flag.String("input-dir", vppapi.DefaultAPIDir, "Directory with VPP API files.")
theOutputDir = flag.String("output-dir", ".", "Output directory where code will be generated.")
importPrefix = flag.String("import-prefix", "", "Define import path prefix to be used to import types.")
importTypes = flag.Bool("import-types", false, "Generate packages for imported types.")
includeAPIVer = flag.Bool("include-apiver", true, "Include APIVersion constant for each module.")
includeServices = flag.Bool("include-services", true, "Include RPC service api and client implementation.")
includeComments = flag.Bool("include-comments", false, "Include JSON API source in comments for each object.")
includeBinapiNames = flag.Bool("include-binapi-names", true, "Include binary API names in struct tag.")
includeVppVersion = flag.Bool("include-vpp-version", true, "Include version of the VPP that provided input files.")
debugMode = flag.Bool("debug", os.Getenv("DEBUG_GOVPP") != "", "Enable debug mode.")
printVersion = flag.Bool("version", false, "Prints version and exits.")
)
flag.Parse()
if *printVersion {
fmt.Fprintln(os.Stdout, version.Info())
os.Exit(0)
}
if flag.NArg() == 1 && flag.Arg(0) == "version" {
fmt.Fprintln(os.Stdout, version.Verbose())
os.Exit(0)
}
var opts binapigen.Options
if *theInputFile != "" {
if flag.NArg() > 0 {
fmt.Fprintln(os.Stderr, "input-file cannot be combined with files to generate in arguments")
os.Exit(1)
}
opts.FilesToGenerate = append(opts.FilesToGenerate, *theInputFile)
} else {
opts.FilesToGenerate = append(opts.FilesToGenerate, flag.Args()...)
}
// prepare options
if ver := os.Getenv("VPP_API_VERSION"); ver != "" {
// use version from env var if set
opts.VPPVersion = ver
} else {
opts.VPPVersion = ResolveVppVersion(*theApiDir)
}
opts.IncludeAPIVersion = *includeAPIVer
opts.IncludeComments = *includeComments
opts.IncludeBinapiNames = *includeBinapiNames
opts.IncludeServices = *includeServices
opts.IncludeVppVersion = *includeVppVersion
opts.ImportPrefix = *importPrefix
opts.ImportTypes = *importTypes
if *debugMode {
logrus.SetLevel(logrus.DebugLevel)
logrus.Debug("debug mode enabled")
}
apiDir := *theApiDir
outputDir := *theOutputDir
binapigen.Run(apiDir, opts, func(g *binapigen.Generator) error {
for _, file := range g.Files {
if !file.Generate {
continue
}
binapigen.GenerateBinapiFile(g, file, outputDir)
if g.IncludeServices && file.Service != nil {
binapigen.GenerateRPC(g, file, outputDir)
}
}
return nil
})
}
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