| // This file was auto-generated by the veyron vdl tool. |
| // Source: tunnel.vdl |
| |
| package tunnel |
| |
| import ( |
| "veyron2/security" |
| |
| // The non-user imports are prefixed with "_gen_" to prevent collisions. |
| _gen_veyron2 "veyron2" |
| _gen_context "veyron2/context" |
| _gen_ipc "veyron2/ipc" |
| _gen_naming "veyron2/naming" |
| _gen_rt "veyron2/rt" |
| _gen_vdlutil "veyron2/vdl/vdlutil" |
| _gen_wiretype "veyron2/wiretype" |
| ) |
| |
| type ShellOpts struct { |
| UsePty bool // Whether to open a pseudo-terminal |
| Environment []string // Environment variables to pass to the remote shell. |
| Rows uint32 // Window size. |
| Cols uint32 |
| } |
| |
| type ClientShellPacket struct { |
| // Bytes going to the shell's stdin. |
| Stdin []byte |
| // A dynamic update of the window size. The default value of 0 means no-change. |
| Rows uint32 |
| Cols uint32 |
| } |
| |
| type ServerShellPacket struct { |
| // Bytes coming from the shell's stdout. |
| Stdout []byte |
| // Bytes coming from the shell's stderr. |
| Stderr []byte |
| } |
| |
| // Tunnel is the interface the client binds and uses. |
| // Tunnel_ExcludingUniversal is the interface without internal framework-added methods |
| // to enable embedding without method collisions. Not to be used directly by clients. |
| type Tunnel_ExcludingUniversal interface { |
| // The Forward method is used for network forwarding. All the data sent over |
| // the byte stream is forwarded to the requested network address and all the |
| // data received from that network connection is sent back in the reply |
| // stream. |
| Forward(ctx _gen_context.T, network string, address string, opts ..._gen_ipc.CallOpt) (reply TunnelForwardStream, err error) |
| // The Shell method is used to either run shell commands remotely, or to open |
| // an interactive shell. The data received over the byte stream is sent to the |
| // shell's stdin, and the data received from the shell's stdout and stderr is |
| // sent back in the reply stream. It returns the exit status of the shell |
| // command. |
| Shell(ctx _gen_context.T, command string, shellOpts ShellOpts, opts ..._gen_ipc.CallOpt) (reply TunnelShellStream, err error) |
| } |
| type Tunnel interface { |
| _gen_ipc.UniversalServiceMethods |
| Tunnel_ExcludingUniversal |
| } |
| |
| // TunnelService is the interface the server implements. |
| type TunnelService interface { |
| |
| // The Forward method is used for network forwarding. All the data sent over |
| // the byte stream is forwarded to the requested network address and all the |
| // data received from that network connection is sent back in the reply |
| // stream. |
| Forward(context _gen_ipc.ServerContext, network string, address string, stream TunnelServiceForwardStream) (err error) |
| // The Shell method is used to either run shell commands remotely, or to open |
| // an interactive shell. The data received over the byte stream is sent to the |
| // shell's stdin, and the data received from the shell's stdout and stderr is |
| // sent back in the reply stream. It returns the exit status of the shell |
| // command. |
| Shell(context _gen_ipc.ServerContext, command string, shellOpts ShellOpts, stream TunnelServiceShellStream) (reply int32, err error) |
| } |
| |
| // TunnelForwardStream is the interface for streaming responses of the method |
| // Forward in the service interface Tunnel. |
| type TunnelForwardStream interface { |
| |
| // Send places the item onto the output stream, blocking if there is no buffer |
| // space available. |
| Send(item []byte) error |
| |
| // CloseSend indicates to the server that no more items will be sent; server |
| // Recv calls will receive io.EOF after all sent items. Subsequent calls to |
| // Send on the client will fail. This is an optional call - it's used by |
| // streaming clients that need the server to receive the io.EOF terminator. |
| CloseSend() error |
| |
| // Recv returns the next item in the input stream, blocking until |
| // an item is available. Returns io.EOF to indicate graceful end of input. |
| Recv() (item []byte, err error) |
| |
| // Finish closes the stream and returns the positional return values for |
| // call. |
| Finish() (err error) |
| |
| // Cancel cancels the RPC, notifying the server to stop processing. |
| Cancel() |
| } |
| |
| // Implementation of the TunnelForwardStream interface that is not exported. |
| type implTunnelForwardStream struct { |
| clientCall _gen_ipc.Call |
| } |
| |
| func (c *implTunnelForwardStream) Send(item []byte) error { |
| return c.clientCall.Send(item) |
| } |
| |
| func (c *implTunnelForwardStream) CloseSend() error { |
| return c.clientCall.CloseSend() |
| } |
| |
| func (c *implTunnelForwardStream) Recv() (item []byte, err error) { |
| err = c.clientCall.Recv(&item) |
| return |
| } |
| |
| func (c *implTunnelForwardStream) Finish() (err error) { |
| if ierr := c.clientCall.Finish(&err); ierr != nil { |
| err = ierr |
| } |
| return |
| } |
| |
| func (c *implTunnelForwardStream) Cancel() { |
| c.clientCall.Cancel() |
| } |
| |
| // TunnelServiceForwardStream is the interface for streaming responses of the method |
| // Forward in the service interface Tunnel. |
| type TunnelServiceForwardStream interface { |
| // Send places the item onto the output stream, blocking if there is no buffer |
| // space available. |
| Send(item []byte) error |
| |
| // Recv fills itemptr with the next item in the input stream, blocking until |
| // an item is available. Returns io.EOF to indicate graceful end of input. |
| Recv() (item []byte, err error) |
| } |
| |
| // Implementation of the TunnelServiceForwardStream interface that is not exported. |
| type implTunnelServiceForwardStream struct { |
| serverCall _gen_ipc.ServerCall |
| } |
| |
| func (s *implTunnelServiceForwardStream) Send(item []byte) error { |
| return s.serverCall.Send(item) |
| } |
| |
| func (s *implTunnelServiceForwardStream) Recv() (item []byte, err error) { |
| err = s.serverCall.Recv(&item) |
| return |
| } |
| |
| // TunnelShellStream is the interface for streaming responses of the method |
| // Shell in the service interface Tunnel. |
| type TunnelShellStream interface { |
| |
| // Send places the item onto the output stream, blocking if there is no buffer |
| // space available. |
| Send(item ClientShellPacket) error |
| |
| // CloseSend indicates to the server that no more items will be sent; server |
| // Recv calls will receive io.EOF after all sent items. Subsequent calls to |
| // Send on the client will fail. This is an optional call - it's used by |
| // streaming clients that need the server to receive the io.EOF terminator. |
| CloseSend() error |
| |
| // Recv returns the next item in the input stream, blocking until |
| // an item is available. Returns io.EOF to indicate graceful end of input. |
| Recv() (item ServerShellPacket, err error) |
| |
| // Finish closes the stream and returns the positional return values for |
| // call. |
| Finish() (reply int32, err error) |
| |
| // Cancel cancels the RPC, notifying the server to stop processing. |
| Cancel() |
| } |
| |
| // Implementation of the TunnelShellStream interface that is not exported. |
| type implTunnelShellStream struct { |
| clientCall _gen_ipc.Call |
| } |
| |
| func (c *implTunnelShellStream) Send(item ClientShellPacket) error { |
| return c.clientCall.Send(item) |
| } |
| |
| func (c *implTunnelShellStream) CloseSend() error { |
| return c.clientCall.CloseSend() |
| } |
| |
| func (c *implTunnelShellStream) Recv() (item ServerShellPacket, err error) { |
| err = c.clientCall.Recv(&item) |
| return |
| } |
| |
| func (c *implTunnelShellStream) Finish() (reply int32, err error) { |
| if ierr := c.clientCall.Finish(&reply, &err); ierr != nil { |
| err = ierr |
| } |
| return |
| } |
| |
| func (c *implTunnelShellStream) Cancel() { |
| c.clientCall.Cancel() |
| } |
| |
| // TunnelServiceShellStream is the interface for streaming responses of the method |
| // Shell in the service interface Tunnel. |
| type TunnelServiceShellStream interface { |
| // Send places the item onto the output stream, blocking if there is no buffer |
| // space available. |
| Send(item ServerShellPacket) error |
| |
| // Recv fills itemptr with the next item in the input stream, blocking until |
| // an item is available. Returns io.EOF to indicate graceful end of input. |
| Recv() (item ClientShellPacket, err error) |
| } |
| |
| // Implementation of the TunnelServiceShellStream interface that is not exported. |
| type implTunnelServiceShellStream struct { |
| serverCall _gen_ipc.ServerCall |
| } |
| |
| func (s *implTunnelServiceShellStream) Send(item ServerShellPacket) error { |
| return s.serverCall.Send(item) |
| } |
| |
| func (s *implTunnelServiceShellStream) Recv() (item ClientShellPacket, err error) { |
| err = s.serverCall.Recv(&item) |
| return |
| } |
| |
| // BindTunnel returns the client stub implementing the Tunnel |
| // interface. |
| // |
| // If no _gen_ipc.Client is specified, the default _gen_ipc.Client in the |
| // global Runtime is used. |
| func BindTunnel(name string, opts ..._gen_ipc.BindOpt) (Tunnel, error) { |
| var client _gen_ipc.Client |
| switch len(opts) { |
| case 0: |
| client = _gen_rt.R().Client() |
| case 1: |
| switch o := opts[0].(type) { |
| case _gen_veyron2.Runtime: |
| client = o.Client() |
| case _gen_ipc.Client: |
| client = o |
| default: |
| return nil, _gen_vdlutil.ErrUnrecognizedOption |
| } |
| default: |
| return nil, _gen_vdlutil.ErrTooManyOptionsToBind |
| } |
| stub := &clientStubTunnel{client: client, name: name} |
| |
| return stub, nil |
| } |
| |
| // NewServerTunnel creates a new server stub. |
| // |
| // It takes a regular server implementing the TunnelService |
| // interface, and returns a new server stub. |
| func NewServerTunnel(server TunnelService) interface{} { |
| return &ServerStubTunnel{ |
| service: server, |
| } |
| } |
| |
| // clientStubTunnel implements Tunnel. |
| type clientStubTunnel struct { |
| client _gen_ipc.Client |
| name string |
| } |
| |
| func (__gen_c *clientStubTunnel) Forward(ctx _gen_context.T, network string, address string, opts ..._gen_ipc.CallOpt) (reply TunnelForwardStream, err error) { |
| var call _gen_ipc.Call |
| if call, err = __gen_c.client.StartCall(ctx, __gen_c.name, "Forward", []interface{}{network, address}, opts...); err != nil { |
| return |
| } |
| reply = &implTunnelForwardStream{clientCall: call} |
| return |
| } |
| |
| func (__gen_c *clientStubTunnel) Shell(ctx _gen_context.T, command string, shellOpts ShellOpts, opts ..._gen_ipc.CallOpt) (reply TunnelShellStream, err error) { |
| var call _gen_ipc.Call |
| if call, err = __gen_c.client.StartCall(ctx, __gen_c.name, "Shell", []interface{}{command, shellOpts}, opts...); err != nil { |
| return |
| } |
| reply = &implTunnelShellStream{clientCall: call} |
| return |
| } |
| |
| func (__gen_c *clientStubTunnel) UnresolveStep(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply []string, err error) { |
| var call _gen_ipc.Call |
| if call, err = __gen_c.client.StartCall(ctx, __gen_c.name, "UnresolveStep", nil, opts...); err != nil { |
| return |
| } |
| if ierr := call.Finish(&reply, &err); ierr != nil { |
| err = ierr |
| } |
| return |
| } |
| |
| func (__gen_c *clientStubTunnel) Signature(ctx _gen_context.T, opts ..._gen_ipc.CallOpt) (reply _gen_ipc.ServiceSignature, err error) { |
| var call _gen_ipc.Call |
| if call, err = __gen_c.client.StartCall(ctx, __gen_c.name, "Signature", nil, opts...); err != nil { |
| return |
| } |
| if ierr := call.Finish(&reply, &err); ierr != nil { |
| err = ierr |
| } |
| return |
| } |
| |
| func (__gen_c *clientStubTunnel) GetMethodTags(ctx _gen_context.T, method string, opts ..._gen_ipc.CallOpt) (reply []interface{}, err error) { |
| var call _gen_ipc.Call |
| if call, err = __gen_c.client.StartCall(ctx, __gen_c.name, "GetMethodTags", []interface{}{method}, opts...); err != nil { |
| return |
| } |
| if ierr := call.Finish(&reply, &err); ierr != nil { |
| err = ierr |
| } |
| return |
| } |
| |
| // ServerStubTunnel wraps a server that implements |
| // TunnelService and provides an object that satisfies |
| // the requirements of veyron2/ipc.ReflectInvoker. |
| type ServerStubTunnel struct { |
| service TunnelService |
| } |
| |
| func (__gen_s *ServerStubTunnel) GetMethodTags(call _gen_ipc.ServerCall, method string) ([]interface{}, error) { |
| // TODO(bprosnitz) GetMethodTags() will be replaces with Signature(). |
| // Note: This exhibits some weird behavior like returning a nil error if the method isn't found. |
| // This will change when it is replaced with Signature(). |
| switch method { |
| case "Forward": |
| return []interface{}{security.Label(4)}, nil |
| case "Shell": |
| return []interface{}{security.Label(4)}, nil |
| default: |
| return nil, nil |
| } |
| } |
| |
| func (__gen_s *ServerStubTunnel) Signature(call _gen_ipc.ServerCall) (_gen_ipc.ServiceSignature, error) { |
| result := _gen_ipc.ServiceSignature{Methods: make(map[string]_gen_ipc.MethodSignature)} |
| result.Methods["Forward"] = _gen_ipc.MethodSignature{ |
| InArgs: []_gen_ipc.MethodArgument{ |
| {Name: "network", Type: 3}, |
| {Name: "address", Type: 3}, |
| }, |
| OutArgs: []_gen_ipc.MethodArgument{ |
| {Name: "", Type: 65}, |
| }, |
| InStream: 67, |
| OutStream: 67, |
| } |
| result.Methods["Shell"] = _gen_ipc.MethodSignature{ |
| InArgs: []_gen_ipc.MethodArgument{ |
| {Name: "command", Type: 3}, |
| {Name: "shellOpts", Type: 68}, |
| }, |
| OutArgs: []_gen_ipc.MethodArgument{ |
| {Name: "", Type: 36}, |
| {Name: "", Type: 65}, |
| }, |
| InStream: 69, |
| OutStream: 70, |
| } |
| |
| result.TypeDefs = []_gen_vdlutil.Any{ |
| _gen_wiretype.NamedPrimitiveType{Type: 0x1, Name: "error", Tags: []string(nil)}, _gen_wiretype.NamedPrimitiveType{Type: 0x32, Name: "byte", Tags: []string(nil)}, _gen_wiretype.SliceType{Elem: 0x42, Name: "", Tags: []string(nil)}, _gen_wiretype.StructType{ |
| []_gen_wiretype.FieldType{ |
| _gen_wiretype.FieldType{Type: 0x2, Name: "UsePty"}, |
| _gen_wiretype.FieldType{Type: 0x3d, Name: "Environment"}, |
| _gen_wiretype.FieldType{Type: 0x34, Name: "Rows"}, |
| _gen_wiretype.FieldType{Type: 0x34, Name: "Cols"}, |
| }, |
| "veyron/examples/tunnel.ShellOpts", []string(nil)}, |
| _gen_wiretype.StructType{ |
| []_gen_wiretype.FieldType{ |
| _gen_wiretype.FieldType{Type: 0x43, Name: "Stdin"}, |
| _gen_wiretype.FieldType{Type: 0x34, Name: "Rows"}, |
| _gen_wiretype.FieldType{Type: 0x34, Name: "Cols"}, |
| }, |
| "veyron/examples/tunnel.ClientShellPacket", []string(nil)}, |
| _gen_wiretype.StructType{ |
| []_gen_wiretype.FieldType{ |
| _gen_wiretype.FieldType{Type: 0x43, Name: "Stdout"}, |
| _gen_wiretype.FieldType{Type: 0x43, Name: "Stderr"}, |
| }, |
| "veyron/examples/tunnel.ServerShellPacket", []string(nil)}, |
| } |
| |
| return result, nil |
| } |
| |
| func (__gen_s *ServerStubTunnel) UnresolveStep(call _gen_ipc.ServerCall) (reply []string, err error) { |
| if unresolver, ok := __gen_s.service.(_gen_ipc.Unresolver); ok { |
| return unresolver.UnresolveStep(call) |
| } |
| if call.Server() == nil { |
| return |
| } |
| var published []string |
| if published, err = call.Server().Published(); err != nil || published == nil { |
| return |
| } |
| reply = make([]string, len(published)) |
| for i, p := range published { |
| reply[i] = _gen_naming.Join(p, call.Name()) |
| } |
| return |
| } |
| |
| func (__gen_s *ServerStubTunnel) Forward(call _gen_ipc.ServerCall, network string, address string) (err error) { |
| stream := &implTunnelServiceForwardStream{serverCall: call} |
| err = __gen_s.service.Forward(call, network, address, stream) |
| return |
| } |
| |
| func (__gen_s *ServerStubTunnel) Shell(call _gen_ipc.ServerCall, command string, shellOpts ShellOpts) (reply int32, err error) { |
| stream := &implTunnelServiceShellStream{serverCall: call} |
| reply, err = __gen_s.service.Shell(call, command, shellOpts, stream) |
| return |
| } |
