mirror of
https://github.com/zrepl/zrepl.git
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113 lines
2.5 KiB
Go
113 lines
2.5 KiB
Go
// a tool to test whether a given transport implements the timeoutconn.Wire interface
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package main
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import (
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"context"
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"path"
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netssh "github.com/problame/go-netssh"
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"github.com/zrepl/yaml-config"
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"github.com/zrepl/zrepl/config"
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"github.com/zrepl/zrepl/transport"
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transportconfig "github.com/zrepl/zrepl/transport/fromconfig"
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)
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func noerror(err error) {
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if err != nil {
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panic(err)
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}
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}
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type Config struct {
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Connect config.ConnectEnum
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Serve config.ServeEnum
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}
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var args struct {
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mode string
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configPath string
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testCase string
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}
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var conf Config
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type TestCase interface {
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Client(wire transport.Wire)
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Server(wire transport.Wire)
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}
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func main() {
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flag.StringVar(&args.mode, "mode", "", "connect|serve")
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flag.StringVar(&args.configPath, "config", "", "config file path")
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flag.StringVar(&args.testCase, "testcase", "", "")
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flag.Parse()
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bytes, err := ioutil.ReadFile(args.configPath)
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noerror(err)
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err = yaml.UnmarshalStrict(bytes, &conf)
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noerror(err)
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ctx, cancel := context.WithCancel(context.Background())
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defer cancel()
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global := &config.Global{
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Serve: &config.GlobalServe{
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StdinServer: &config.GlobalStdinServer{
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SockDir: "/tmp/wireevaluator_stdinserver",
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},
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},
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}
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switch args.mode {
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case "connect":
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tc, err := getTestCase(args.testCase)
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noerror(err)
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connecter, err := transportconfig.ConnecterFromConfig(global, conf.Connect)
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noerror(err)
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wire, err := connecter.Connect(ctx)
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noerror(err)
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tc.Client(wire)
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case "serve":
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tc, err := getTestCase(args.testCase)
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noerror(err)
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lf, err := transportconfig.ListenerFactoryFromConfig(global, conf.Serve)
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noerror(err)
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l, err := lf()
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noerror(err)
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conn, err := l.Accept(ctx)
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noerror(err)
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tc.Server(conn)
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case "stdinserver":
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identity := flag.Arg(0)
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unixaddr := path.Join(global.Serve.StdinServer.SockDir, identity)
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err := netssh.Proxy(ctx, unixaddr)
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if err == nil {
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os.Exit(0)
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}
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panic(err)
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default:
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panic(fmt.Sprintf("unknown mode %q", args.mode))
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}
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}
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func getTestCase(tcName string) (TestCase, error) {
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switch tcName {
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case "closewrite_server":
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return &CloseWrite{mode: CloseWriteServerSide}, nil
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case "closewrite_client":
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return &CloseWrite{mode: CloseWriteClientSide}, nil
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case "readdeadline_client":
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return &Deadlines{mode: DeadlineModeClientTimeout}, nil
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case "readdeadline_server":
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return &Deadlines{mode: DeadlineModeServerTimeout}, nil
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default:
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return nil, fmt.Errorf("unknown test case %q", tcName)
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}
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}
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