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Changes to accommodate client-go changes and kube vendor update

Browse Source 
to v1.18.0

Signed-off-by: Humble Chirammal <hchiramm@redhat.com>
This commit is contained in:
Humble Chirammal
2020-04-14 12:34:33 +05:30
committed by mergify[bot]
parent 4c96ad3c85
commit 34fc1d847e
1083 changed files with 50505 additions and 155846 deletions
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201
vendor/sigs.k8s.io/apiserver-network-proxy/konnectivity-client/LICENSE generated vendored Normal file
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Apache License
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http://www.apache.org/licenses/
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195
vendor/sigs.k8s.io/apiserver-network-proxy/konnectivity-client/pkg/client/client.go generated vendored Normal file
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/*
Copyright 2019 The Kubernetes Authors.
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 client
import (
"context"
"errors"
"io"
"math/rand"
"net"
"sync"
"time"
"google.golang.org/grpc"
"k8s.io/klog"
"sigs.k8s.io/apiserver-network-proxy/konnectivity-client/proto/client"
)
// Tunnel provides ability to dial a connection through a tunnel.
type Tunnel interface {
// Dial connects to the address on the named network, similar to
// what net.Dial does. The only supported protocol is tcp.
Dial(protocol, address string) (net.Conn, error)
}
type dialResult struct {
err string
connid int64
}
// grpcTunnel implements Tunnel
type grpcTunnel struct {
stream client.ProxyService_ProxyClient
pendingDial map[int64]chan<- dialResult
conns map[int64]*conn
pendingDialLock sync.RWMutex
connsLock sync.RWMutex
}
// CreateGrpcTunnel creates a Tunnel to dial to a remote server through a
// gRPC based proxy service.
func CreateGrpcTunnel(address string, opts ...grpc.DialOption) (Tunnel, error) {
c, err := grpc.Dial(address, opts...)
if err != nil {
return nil, err
}
grpcClient := client.NewProxyServiceClient(c)
stream, err := grpcClient.Proxy(context.Background())
if err != nil {
return nil, err
}
tunnel := &grpcTunnel{
stream: stream,
pendingDial: make(map[int64]chan<- dialResult),
conns: make(map[int64]*conn),
}
go tunnel.serve()
return tunnel, nil
}
func (t *grpcTunnel) serve() {
for {
pkt, err := t.stream.Recv()
if err == io.EOF {
return
}
if err != nil || pkt == nil {
klog.Warningf("stream read error: %v", err)
return
}
klog.V(6).Infof("[tracing] recv packet, type: %s", pkt.Type)
switch pkt.Type {
case client.PacketType_DIAL_RSP:
resp := pkt.GetDialResponse()
t.pendingDialLock.RLock()
ch, ok := t.pendingDial[resp.Random]
t.pendingDialLock.RUnlock()
if !ok {
klog.Warning("DialResp not recognized; dropped")
} else {
ch <- dialResult{
err: resp.Error,
connid: resp.ConnectID,
}
}
case client.PacketType_DATA:
resp := pkt.GetData()
// TODO: flow control
t.connsLock.RLock()
conn, ok := t.conns[resp.ConnectID]
t.connsLock.RUnlock()
if ok {
conn.readCh <- resp.Data
} else {
klog.Warningf("connection id %d not recognized", resp.ConnectID)
}
case client.PacketType_CLOSE_RSP:
resp := pkt.GetCloseResponse()
t.connsLock.RLock()
conn, ok := t.conns[resp.ConnectID]
t.connsLock.RUnlock()
if ok {
close(conn.readCh)
conn.closeCh <- resp.Error
close(conn.closeCh)
t.connsLock.Lock()
delete(t.conns, resp.ConnectID)
t.connsLock.Unlock()
} else {
klog.Warningf("connection id %d not recognized", resp.ConnectID)
}
}
}
}
// Dial connects to the address on the named network, similar to
// what net.Dial does. The only supported protocol is tcp.
func (t *grpcTunnel) Dial(protocol, address string) (net.Conn, error) {
if protocol != "tcp" {
return nil, errors.New("protocol not supported")
}
random := rand.Int63()
resCh := make(chan dialResult)
t.pendingDialLock.Lock()
t.pendingDial[random] = resCh
t.pendingDialLock.Unlock()
defer func() {
t.pendingDialLock.Lock()
delete(t.pendingDial, random)
t.pendingDialLock.Unlock()
}()
req := &client.Packet{
Type: client.PacketType_DIAL_REQ,
Payload: &client.Packet_DialRequest{
DialRequest: &client.DialRequest{
Protocol: protocol,
Address: address,
Random: random,
},
},
}
klog.V(6).Infof("[tracing] send packet, type: %s", req.Type)
err := t.stream.Send(req)
if err != nil {
return nil, err
}
klog.Info("DIAL_REQ sent to proxy server")
c := &conn{stream: t.stream}
select {
case res := <-resCh:
if res.err != "" {
return nil, errors.New(res.err)
}
c.connID = res.connid
c.readCh = make(chan []byte, 10)
c.closeCh = make(chan string)
t.connsLock.Lock()
t.conns[res.connid] = c
t.connsLock.Unlock()
case <-time.After(30 * time.Second):
return nil, errors.New("dial timeout")
}
return c, nil
}

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vendor/sigs.k8s.io/apiserver-network-proxy/konnectivity-client/pkg/client/conn.go generated vendored Normal file
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/*
Copyright 2019 The Kubernetes Authors.
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 client
import (
"errors"
"io"
"net"
"time"
"k8s.io/klog"
"sigs.k8s.io/apiserver-network-proxy/konnectivity-client/proto/client"
)
// CloseTimeout is the timeout to wait CLOSE_RSP packet after a
// successful delivery of CLOSE_REQ.
const CloseTimeout = 10 * time.Second
// conn is an implementation of net.Conn, where the data is transported
// over an established tunnel defined by a gRPC service ProxyService.
type conn struct {
stream client.ProxyService_ProxyClient
connID int64
readCh chan []byte
closeCh chan string
rdata []byte
}
var _ net.Conn = &conn{}
// Write sends the data thru the connection over proxy service
func (c *conn) Write(data []byte) (n int, err error) {
req := &client.Packet{
Type: client.PacketType_DATA,
Payload: &client.Packet_Data{
Data: &client.Data{
ConnectID: c.connID,
Data: data,
},
},
}
klog.V(6).Infof("[tracing] send req, type: %s", req.Type)
err = c.stream.Send(req)
if err != nil {
return 0, err
}
return len(data), err
}
// Read receives data from the connection over proxy service
func (c *conn) Read(b []byte) (n int, err error) {
var data []byte
if c.rdata != nil {
data = c.rdata
} else {
data = <-c.readCh
}
if data == nil {
return 0, io.EOF
}
if len(data) > len(b) {
copy(b, data[:len(b)])
c.rdata = data[len(b):]
return len(b), nil
}
c.rdata = nil
copy(b, data)
return len(data), nil
}
func (c *conn) LocalAddr() net.Addr {
return nil
}
func (c *conn) RemoteAddr() net.Addr {
return nil
}
func (c *conn) SetDeadline(t time.Time) error {
return errors.New("not implemented")
}
func (c *conn) SetReadDeadline(t time.Time) error {
return errors.New("not implemented")
}
func (c *conn) SetWriteDeadline(t time.Time) error {
return errors.New("not implemented")
}
// Close closes the connection. It also sends CLOSE_REQ packet over
// proxy service to notify remote to drop the connection.
func (c *conn) Close() error {
klog.Info("conn.Close()")
req := &client.Packet{
Type: client.PacketType_CLOSE_REQ,
Payload: &client.Packet_CloseRequest{
CloseRequest: &client.CloseRequest{
ConnectID: c.connID,
},
},
}
klog.V(6).Infof("[tracing] send req, type: %s", req.Type)
if err := c.stream.Send(req); err != nil {
return err
}
select {
case errMsg := <-c.closeCh:
if errMsg != "" {
return errors.New(errMsg)
}
return nil
case <-time.After(CloseTimeout):
}
return errors.New("close timeout")
}

653
vendor/sigs.k8s.io/apiserver-network-proxy/konnectivity-client/proto/client/client.pb.go generated vendored Normal file
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/*
Copyright The Kubernetes Authors.
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.
*/
// Code generated by protoc-gen-go. DO NOT EDIT.
// source: konnectivity-client/proto/client/client.proto
package client
import (
context "context"
fmt "fmt"
proto "github.com/golang/protobuf/proto"
grpc "google.golang.org/grpc"
codes "google.golang.org/grpc/codes"
status "google.golang.org/grpc/status"
math "math"
)
// Reference imports to suppress errors if they are not otherwise used.
var _ = proto.Marshal
var _ = fmt.Errorf
var _ = math.Inf
// This is a compile-time assertion to ensure that this generated file
// is compatible with the proto package it is being compiled against.
// A compilation error at this line likely means your copy of the
// proto package needs to be updated.
const _ = proto.ProtoPackageIsVersion3 // please upgrade the proto package
type PacketType int32
const (
PacketType_DIAL_REQ PacketType = 0
PacketType_DIAL_RSP PacketType = 1
PacketType_CLOSE_REQ PacketType = 2
PacketType_CLOSE_RSP PacketType = 3
PacketType_DATA PacketType = 4
)
var PacketType_name = map[int32]string{
0: "DIAL_REQ",
1: "DIAL_RSP",
2: "CLOSE_REQ",
3: "CLOSE_RSP",
4: "DATA",
}
var PacketType_value = map[string]int32{
"DIAL_REQ": 0,
"DIAL_RSP": 1,
"CLOSE_REQ": 2,
"CLOSE_RSP": 3,
"DATA": 4,
}
func (x PacketType) String() string {
return proto.EnumName(PacketType_name, int32(x))
}
func (PacketType) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{0}
}
type Error int32
const (
Error_EOF Error = 0
)
var Error_name = map[int32]string{
0: "EOF",
}
var Error_value = map[string]int32{
"EOF": 0,
}
func (x Error) String() string {
return proto.EnumName(Error_name, int32(x))
}
func (Error) EnumDescriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{1}
}
type Packet struct {
Type PacketType `protobuf:"varint,1,opt,name=type,proto3,enum=PacketType" json:"type,omitempty"`
// Types that are valid to be assigned to Payload:
// *Packet_DialRequest
// *Packet_DialResponse
// *Packet_Data
// *Packet_CloseRequest
// *Packet_CloseResponse
Payload isPacket_Payload `protobuf_oneof:"payload"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Packet) Reset() { *m = Packet{} }
func (m *Packet) String() string { return proto.CompactTextString(m) }
func (*Packet) ProtoMessage() {}
func (*Packet) Descriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{0}
}
func (m *Packet) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Packet.Unmarshal(m, b)
}
func (m *Packet) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Packet.Marshal(b, m, deterministic)
}
func (m *Packet) XXX_Merge(src proto.Message) {
xxx_messageInfo_Packet.Merge(m, src)
}
func (m *Packet) XXX_Size() int {
return xxx_messageInfo_Packet.Size(m)
}
func (m *Packet) XXX_DiscardUnknown() {
xxx_messageInfo_Packet.DiscardUnknown(m)
}
var xxx_messageInfo_Packet proto.InternalMessageInfo
func (m *Packet) GetType() PacketType {
if m != nil {
return m.Type
}
return PacketType_DIAL_REQ
}
type isPacket_Payload interface {
isPacket_Payload()
}
type Packet_DialRequest struct {
DialRequest *DialRequest `protobuf:"bytes,2,opt,name=dialRequest,proto3,oneof"`
}
type Packet_DialResponse struct {
DialResponse *DialResponse `protobuf:"bytes,3,opt,name=dialResponse,proto3,oneof"`
}
type Packet_Data struct {
Data *Data `protobuf:"bytes,4,opt,name=data,proto3,oneof"`
}
type Packet_CloseRequest struct {
CloseRequest *CloseRequest `protobuf:"bytes,5,opt,name=closeRequest,proto3,oneof"`
}
type Packet_CloseResponse struct {
CloseResponse *CloseResponse `protobuf:"bytes,6,opt,name=closeResponse,proto3,oneof"`
}
func (*Packet_DialRequest) isPacket_Payload() {}
func (*Packet_DialResponse) isPacket_Payload() {}
func (*Packet_Data) isPacket_Payload() {}
func (*Packet_CloseRequest) isPacket_Payload() {}
func (*Packet_CloseResponse) isPacket_Payload() {}
func (m *Packet) GetPayload() isPacket_Payload {
if m != nil {
return m.Payload
}
return nil
}
func (m *Packet) GetDialRequest() *DialRequest {
if x, ok := m.GetPayload().(*Packet_DialRequest); ok {
return x.DialRequest
}
return nil
}
func (m *Packet) GetDialResponse() *DialResponse {
if x, ok := m.GetPayload().(*Packet_DialResponse); ok {
return x.DialResponse
}
return nil
}
func (m *Packet) GetData() *Data {
if x, ok := m.GetPayload().(*Packet_Data); ok {
return x.Data
}
return nil
}
func (m *Packet) GetCloseRequest() *CloseRequest {
if x, ok := m.GetPayload().(*Packet_CloseRequest); ok {
return x.CloseRequest
}
return nil
}
func (m *Packet) GetCloseResponse() *CloseResponse {
if x, ok := m.GetPayload().(*Packet_CloseResponse); ok {
return x.CloseResponse
}
return nil
}
// XXX_OneofWrappers is for the internal use of the proto package.
func (*Packet) XXX_OneofWrappers() []interface{} {
return []interface{}{
(*Packet_DialRequest)(nil),
(*Packet_DialResponse)(nil),
(*Packet_Data)(nil),
(*Packet_CloseRequest)(nil),
(*Packet_CloseResponse)(nil),
}
}
type DialRequest struct {
// tcp or udp?
Protocol string `protobuf:"bytes,1,opt,name=protocol,proto3" json:"protocol,omitempty"`
// node:port
Address string `protobuf:"bytes,2,opt,name=address,proto3" json:"address,omitempty"`
// random id for client, maybe should be longer
Random int64 `protobuf:"varint,3,opt,name=random,proto3" json:"random,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *DialRequest) Reset() { *m = DialRequest{} }
func (m *DialRequest) String() string { return proto.CompactTextString(m) }
func (*DialRequest) ProtoMessage() {}
func (*DialRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{1}
}
func (m *DialRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_DialRequest.Unmarshal(m, b)
}
func (m *DialRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_DialRequest.Marshal(b, m, deterministic)
}
func (m *DialRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_DialRequest.Merge(m, src)
}
func (m *DialRequest) XXX_Size() int {
return xxx_messageInfo_DialRequest.Size(m)
}
func (m *DialRequest) XXX_DiscardUnknown() {
xxx_messageInfo_DialRequest.DiscardUnknown(m)
}
var xxx_messageInfo_DialRequest proto.InternalMessageInfo
func (m *DialRequest) GetProtocol() string {
if m != nil {
return m.Protocol
}
return ""
}
func (m *DialRequest) GetAddress() string {
if m != nil {
return m.Address
}
return ""
}
func (m *DialRequest) GetRandom() int64 {
if m != nil {
return m.Random
}
return 0
}
type DialResponse struct {
// error failed reason; enum?
Error string `protobuf:"bytes,1,opt,name=error,proto3" json:"error,omitempty"`
// connectID indicates the identifier of the connection
ConnectID int64 `protobuf:"varint,2,opt,name=connectID,proto3" json:"connectID,omitempty"`
// random copied from DialRequest
Random int64 `protobuf:"varint,3,opt,name=random,proto3" json:"random,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *DialResponse) Reset() { *m = DialResponse{} }
func (m *DialResponse) String() string { return proto.CompactTextString(m) }
func (*DialResponse) ProtoMessage() {}
func (*DialResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{2}
}
func (m *DialResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_DialResponse.Unmarshal(m, b)
}
func (m *DialResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_DialResponse.Marshal(b, m, deterministic)
}
func (m *DialResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_DialResponse.Merge(m, src)
}
func (m *DialResponse) XXX_Size() int {
return xxx_messageInfo_DialResponse.Size(m)
}
func (m *DialResponse) XXX_DiscardUnknown() {
xxx_messageInfo_DialResponse.DiscardUnknown(m)
}
var xxx_messageInfo_DialResponse proto.InternalMessageInfo
func (m *DialResponse) GetError() string {
if m != nil {
return m.Error
}
return ""
}
func (m *DialResponse) GetConnectID() int64 {
if m != nil {
return m.ConnectID
}
return 0
}
func (m *DialResponse) GetRandom() int64 {
if m != nil {
return m.Random
}
return 0
}
type CloseRequest struct {
// connectID of the stream to close
ConnectID int64 `protobuf:"varint,1,opt,name=connectID,proto3" json:"connectID,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *CloseRequest) Reset() { *m = CloseRequest{} }
func (m *CloseRequest) String() string { return proto.CompactTextString(m) }
func (*CloseRequest) ProtoMessage() {}
func (*CloseRequest) Descriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{3}
}
func (m *CloseRequest) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CloseRequest.Unmarshal(m, b)
}
func (m *CloseRequest) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_CloseRequest.Marshal(b, m, deterministic)
}
func (m *CloseRequest) XXX_Merge(src proto.Message) {
xxx_messageInfo_CloseRequest.Merge(m, src)
}
func (m *CloseRequest) XXX_Size() int {
return xxx_messageInfo_CloseRequest.Size(m)
}
func (m *CloseRequest) XXX_DiscardUnknown() {
xxx_messageInfo_CloseRequest.DiscardUnknown(m)
}
var xxx_messageInfo_CloseRequest proto.InternalMessageInfo
func (m *CloseRequest) GetConnectID() int64 {
if m != nil {
return m.ConnectID
}
return 0
}
type CloseResponse struct {
// error message
Error string `protobuf:"bytes,1,opt,name=error,proto3" json:"error,omitempty"`
// connectID indicates the identifier of the connection
ConnectID int64 `protobuf:"varint,2,opt,name=connectID,proto3" json:"connectID,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *CloseResponse) Reset() { *m = CloseResponse{} }
func (m *CloseResponse) String() string { return proto.CompactTextString(m) }
func (*CloseResponse) ProtoMessage() {}
func (*CloseResponse) Descriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{4}
}
func (m *CloseResponse) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_CloseResponse.Unmarshal(m, b)
}
func (m *CloseResponse) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_CloseResponse.Marshal(b, m, deterministic)
}
func (m *CloseResponse) XXX_Merge(src proto.Message) {
xxx_messageInfo_CloseResponse.Merge(m, src)
}
func (m *CloseResponse) XXX_Size() int {
return xxx_messageInfo_CloseResponse.Size(m)
}
func (m *CloseResponse) XXX_DiscardUnknown() {
xxx_messageInfo_CloseResponse.DiscardUnknown(m)
}
var xxx_messageInfo_CloseResponse proto.InternalMessageInfo
func (m *CloseResponse) GetError() string {
if m != nil {
return m.Error
}
return ""
}
func (m *CloseResponse) GetConnectID() int64 {
if m != nil {
return m.ConnectID
}
return 0
}
type Data struct {
// connectID to connect to
ConnectID int64 `protobuf:"varint,1,opt,name=connectID,proto3" json:"connectID,omitempty"`
// error message if error happens
Error string `protobuf:"bytes,2,opt,name=error,proto3" json:"error,omitempty"`
// stream data
Data []byte `protobuf:"bytes,3,opt,name=data,proto3" json:"data,omitempty"`
XXX_NoUnkeyedLiteral struct{} `json:"-"`
XXX_unrecognized []byte `json:"-"`
XXX_sizecache int32 `json:"-"`
}
func (m *Data) Reset() { *m = Data{} }
func (m *Data) String() string { return proto.CompactTextString(m) }
func (*Data) ProtoMessage() {}
func (*Data) Descriptor() ([]byte, []int) {
return fileDescriptor_fec4258d9ecd175d, []int{5}
}
func (m *Data) XXX_Unmarshal(b []byte) error {
return xxx_messageInfo_Data.Unmarshal(m, b)
}
func (m *Data) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
return xxx_messageInfo_Data.Marshal(b, m, deterministic)
}
func (m *Data) XXX_Merge(src proto.Message) {
xxx_messageInfo_Data.Merge(m, src)
}
func (m *Data) XXX_Size() int {
return xxx_messageInfo_Data.Size(m)
}
func (m *Data) XXX_DiscardUnknown() {
xxx_messageInfo_Data.DiscardUnknown(m)
}
var xxx_messageInfo_Data proto.InternalMessageInfo
func (m *Data) GetConnectID() int64 {
if m != nil {
return m.ConnectID
}
return 0
}
func (m *Data) GetError() string {
if m != nil {
return m.Error
}
return ""
}
func (m *Data) GetData() []byte {
if m != nil {
return m.Data
}
return nil
}
func init() {
proto.RegisterEnum("PacketType", PacketType_name, PacketType_value)
proto.RegisterEnum("Error", Error_name, Error_value)
proto.RegisterType((*Packet)(nil), "Packet")
proto.RegisterType((*DialRequest)(nil), "DialRequest")
proto.RegisterType((*DialResponse)(nil), "DialResponse")
proto.RegisterType((*CloseRequest)(nil), "CloseRequest")
proto.RegisterType((*CloseResponse)(nil), "CloseResponse")
proto.RegisterType((*Data)(nil), "Data")
}
func init() {
proto.RegisterFile("konnectivity-client/proto/client/client.proto", fileDescriptor_fec4258d9ecd175d)
}
var fileDescriptor_fec4258d9ecd175d = []byte{
// 472 bytes of a gzipped FileDescriptorProto
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}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ grpc.ClientConn
// This is a compile-time assertion to ensure that this generated file
// is compatible with the grpc package it is being compiled against.
const _ = grpc.SupportPackageIsVersion4
// ProxyServiceClient is the client API for ProxyService service.
//
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
type ProxyServiceClient interface {
Proxy(ctx context.Context, opts ...grpc.CallOption) (ProxyService_ProxyClient, error)
}
type proxyServiceClient struct {
cc *grpc.ClientConn
}
func NewProxyServiceClient(cc *grpc.ClientConn) ProxyServiceClient {
return &proxyServiceClient{cc}
}
func (c *proxyServiceClient) Proxy(ctx context.Context, opts ...grpc.CallOption) (ProxyService_ProxyClient, error) {
stream, err := c.cc.NewStream(ctx, &_ProxyService_serviceDesc.Streams[0], "/ProxyService/Proxy", opts...)
if err != nil {
return nil, err
}
x := &proxyServiceProxyClient{stream}
return x, nil
}
type ProxyService_ProxyClient interface {
Send(*Packet) error
Recv() (*Packet, error)
grpc.ClientStream
}
type proxyServiceProxyClient struct {
grpc.ClientStream
}
func (x *proxyServiceProxyClient) Send(m *Packet) error {
return x.ClientStream.SendMsg(m)
}
func (x *proxyServiceProxyClient) Recv() (*Packet, error) {
m := new(Packet)
if err := x.ClientStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
// ProxyServiceServer is the server API for ProxyService service.
type ProxyServiceServer interface {
Proxy(ProxyService_ProxyServer) error
}
// UnimplementedProxyServiceServer can be embedded to have forward compatible implementations.
type UnimplementedProxyServiceServer struct {
}
func (*UnimplementedProxyServiceServer) Proxy(srv ProxyService_ProxyServer) error {
return status.Errorf(codes.Unimplemented, "method Proxy not implemented")
}
func RegisterProxyServiceServer(s *grpc.Server, srv ProxyServiceServer) {
s.RegisterService(&_ProxyService_serviceDesc, srv)
}
func _ProxyService_Proxy_Handler(srv interface{}, stream grpc.ServerStream) error {
return srv.(ProxyServiceServer).Proxy(&proxyServiceProxyServer{stream})
}
type ProxyService_ProxyServer interface {
Send(*Packet) error
Recv() (*Packet, error)
grpc.ServerStream
}
type proxyServiceProxyServer struct {
grpc.ServerStream
}
func (x *proxyServiceProxyServer) Send(m *Packet) error {
return x.ServerStream.SendMsg(m)
}
func (x *proxyServiceProxyServer) Recv() (*Packet, error) {
m := new(Packet)
if err := x.ServerStream.RecvMsg(m); err != nil {
return nil, err
}
return m, nil
}
var _ProxyService_serviceDesc = grpc.ServiceDesc{
ServiceName: "ProxyService",
HandlerType: (*ProxyServiceServer)(nil),
Methods: []grpc.MethodDesc{},
Streams: []grpc.StreamDesc{
{
StreamName: "Proxy",
Handler: _ProxyService_Proxy_Handler,
ServerStreams: true,
ClientStreams: true,
},
},
Metadata: "konnectivity-client/proto/client/client.proto",
}

95
vendor/sigs.k8s.io/apiserver-network-proxy/konnectivity-client/proto/client/client.proto generated vendored Normal file
View File

@ -0,0 +1,95 @@
// Copyright The Kubernetes Authors.
//
// 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.
syntax = "proto3";
// Retransmit?
// Sliding windows?
option go_package = "sigs.k8s.io/apiserver-network-proxy/konnectivity-client/proto/client";
service ProxyService {
rpc Proxy(stream Packet) returns (stream Packet) {}
}
enum PacketType {
DIAL_REQ = 0;
DIAL_RSP = 1;
CLOSE_REQ = 2;
CLOSE_RSP = 3;
DATA = 4;
}
enum Error {
EOF = 0;
// ...
}
message Packet {
PacketType type = 1;
oneof payload {
DialRequest dialRequest = 2;
DialResponse dialResponse = 3;
Data data = 4;
CloseRequest closeRequest = 5;
CloseResponse closeResponse = 6;
}
}
message DialRequest {
// tcp or udp?
string protocol = 1;
// node:port
string address = 2;
// random id for client, maybe should be longer
int64 random = 3;
}
message DialResponse {
// error failed reason; enum?
string error = 1;
// connectID indicates the identifier of the connection
int64 connectID = 2;
// random copied from DialRequest
int64 random = 3;
}
message CloseRequest {
// connectID of the stream to close
int64 connectID = 1;
}
message CloseResponse {
// error message
string error = 1;
// connectID indicates the identifier of the connection
int64 connectID = 2;
}
message Data {
// connectID to connect to
int64 connectID = 1;
// error message if error happens
string error = 2;
// stream data
bytes data = 3;
}