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Merge pull request #31 from cloudstruct/feature/server-handshake
Basic server support
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,83 @@ | ||
| package main | ||
|
|
||
| import ( | ||
| "flag" | ||
| "fmt" | ||
| ouroboros "github.com/cloudstruct/go-ouroboros-network" | ||
| "net" | ||
| "os" | ||
| ) | ||
|
|
||
| type serverFlags struct { | ||
| flagset *flag.FlagSet | ||
| //txFile string | ||
| } | ||
|
|
||
| func newServerFlags() *serverFlags { | ||
| f := &serverFlags{ | ||
| flagset: flag.NewFlagSet("server", flag.ExitOnError), | ||
| } | ||
| //f.flagset.StringVar(&f.txFile, "tx-file", "", "path to the transaction file to submit") | ||
| return f | ||
| } | ||
|
|
||
| func createListenerSocket(f *globalFlags) (net.Listener, error) { | ||
| var err error | ||
| var listen net.Listener | ||
| if f.socket != "" { | ||
| if err := os.RemoveAll(f.socket); err != nil { | ||
| return nil, fmt.Errorf("failed to remove existing socket: %s", err) | ||
| } | ||
| listen, err = net.Listen("unix", f.socket) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to open listening socket: %s", err) | ||
| } | ||
| } else if f.address != "" { | ||
| listen, err = net.Listen("tcp", f.address) | ||
| if err != nil { | ||
| return nil, fmt.Errorf("failed to open listening socket: %s", err) | ||
| } | ||
| } | ||
| return listen, nil | ||
| } | ||
|
|
||
| func testServer(f *globalFlags) { | ||
| serverFlags := newServerFlags() | ||
| err := serverFlags.flagset.Parse(f.flagset.Args()[1:]) | ||
| if err != nil { | ||
| fmt.Printf("failed to parse subcommand args: %s\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| listen, err := createListenerSocket(f) | ||
| if err != nil { | ||
| fmt.Printf("ERROR: failed to create listener: %s\n", err) | ||
| os.Exit(1) | ||
| } | ||
|
|
||
| for { | ||
| conn, err := listen.Accept() | ||
| if err != nil { | ||
| fmt.Printf("ERROR: failed to accept connection: %s\n", err) | ||
| continue | ||
| } | ||
| errorChan := make(chan error) | ||
| oOpts := &ouroboros.OuroborosOptions{ | ||
| Conn: conn, | ||
| NetworkMagic: uint32(f.networkMagic), | ||
| ErrorChan: errorChan, | ||
| UseNodeToNodeProtocol: f.ntnProto, | ||
| Server: true, | ||
| } | ||
| go func() { | ||
| for { | ||
| err := <-errorChan | ||
| fmt.Printf("ERROR: %s\n", err) | ||
| } | ||
| }() | ||
| _, err = ouroboros.New(oOpts) | ||
| if err != nil { | ||
| fmt.Printf("ERROR: %s\n", err) | ||
| } | ||
| } | ||
| } |
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