Move transport to network/transport
This commit is contained in:
Asim Aslam
commit
3262e34da9
176
grpc.go
Normal file
176
grpc.go
Normal file
@ -0,0 +1,176 @@
|
||||
// Package grpc provides a grpc transport
|
||||
package grpc
|
||||
|
||||
import (
|
||||
"context"
|
||||
"crypto/tls"
|
||||
"net"
|
||||
|
||||
"github.com/micro/go-micro/network/transport"
|
||||
maddr "github.com/micro/go-micro/util/addr"
|
||||
mnet "github.com/micro/go-micro/util/net"
|
||||
mls "github.com/micro/go-micro/util/tls"
|
||||
|
||||
"google.golang.org/grpc"
|
||||
"google.golang.org/grpc/credentials"
|
||||
|
||||
pb "github.com/micro/go-micro/network/transport/grpc/proto"
|
||||
)
|
||||
|
||||
type grpcTransport struct {
|
||||
opts transport.Options
|
||||
}
|
||||
|
||||
type grpcTransportListener struct {
|
||||
listener net.Listener
|
||||
secure bool
|
||||
tls *tls.Config
|
||||
}
|
||||
|
||||
func getTLSConfig(addr string) (*tls.Config, error) {
|
||||
hosts := []string{addr}
|
||||
|
||||
// check if its a valid host:port
|
||||
if host, _, err := net.SplitHostPort(addr); err == nil {
|
||||
if len(host) == 0 {
|
||||
hosts = maddr.IPs()
|
||||
} else {
|
||||
hosts = []string{host}
|
||||
}
|
||||
}
|
||||
|
||||
// generate a certificate
|
||||
cert, err := mls.Certificate(hosts...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &tls.Config{Certificates: []tls.Certificate{cert}}, nil
|
||||
}
|
||||
|
||||
func (t *grpcTransportListener) Addr() string {
|
||||
return t.listener.Addr().String()
|
||||
}
|
||||
|
||||
func (t *grpcTransportListener) Close() error {
|
||||
return t.listener.Close()
|
||||
}
|
||||
|
||||
func (t *grpcTransportListener) Accept(fn func(transport.Socket)) error {
|
||||
var opts []grpc.ServerOption
|
||||
|
||||
// setup tls if specified
|
||||
if t.secure || t.tls != nil {
|
||||
config := t.tls
|
||||
if config == nil {
|
||||
var err error
|
||||
addr := t.listener.Addr().String()
|
||||
config, err = getTLSConfig(addr)
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
}
|
||||
|
||||
creds := credentials.NewTLS(config)
|
||||
opts = append(opts, grpc.Creds(creds))
|
||||
}
|
||||
|
||||
// new service
|
||||
srv := grpc.NewServer(opts...)
|
||||
|
||||
// register service
|
||||
pb.RegisterTransportServer(srv, µTransport{addr: t.listener.Addr().String(), fn: fn})
|
||||
|
||||
// start serving
|
||||
return srv.Serve(t.listener)
|
||||
}
|
||||
|
||||
func (t *grpcTransport) Dial(addr string, opts ...transport.DialOption) (transport.Client, error) {
|
||||
dopts := transport.DialOptions{
|
||||
Timeout: transport.DefaultDialTimeout,
|
||||
}
|
||||
|
||||
for _, opt := range opts {
|
||||
opt(&dopts)
|
||||
}
|
||||
|
||||
options := []grpc.DialOption{
|
||||
grpc.WithTimeout(dopts.Timeout),
|
||||
}
|
||||
|
||||
if t.opts.Secure || t.opts.TLSConfig != nil {
|
||||
config := t.opts.TLSConfig
|
||||
if config == nil {
|
||||
config = &tls.Config{
|
||||
InsecureSkipVerify: true,
|
||||
}
|
||||
}
|
||||
creds := credentials.NewTLS(config)
|
||||
options = append(options, grpc.WithTransportCredentials(creds))
|
||||
} else {
|
||||
options = append(options, grpc.WithInsecure())
|
||||
}
|
||||
|
||||
// dial the server
|
||||
conn, err := grpc.Dial(addr, options...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// create stream
|
||||
stream, err := pb.NewTransportClient(conn).Stream(context.Background())
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
// return a client
|
||||
return &grpcTransportClient{
|
||||
conn: conn,
|
||||
stream: stream,
|
||||
local: "localhost",
|
||||
remote: addr,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (t *grpcTransport) Listen(addr string, opts ...transport.ListenOption) (transport.Listener, error) {
|
||||
var options transport.ListenOptions
|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
|
||||
ln, err := mnet.Listen(addr, func(addr string) (net.Listener, error) {
|
||||
return net.Listen("tcp", addr)
|
||||
})
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
|
||||
return &grpcTransportListener{
|
||||
listener: ln,
|
||||
tls: t.opts.TLSConfig,
|
||||
secure: t.opts.Secure,
|
||||
}, nil
|
||||
}
|
||||
|
||||
func (t *grpcTransport) Init(opts ...transport.Option) error {
|
||||
for _, o := range opts {
|
||||
o(&t.opts)
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (t *grpcTransport) Options() transport.Options {
|
||||
return t.opts
|
||||
}
|
||||
|
||||
func (t *grpcTransport) String() string {
|
||||
return "grpc"
|
||||
}
|
||||
|
||||
func NewTransport(opts ...transport.Option) transport.Transport {
|
||||
var options transport.Options
|
||||
for _, o := range opts {
|
||||
o(&options)
|
||||
}
|
||||
return &grpcTransport{opts: options}
|
||||
}
|
||||
109
grpc_test.go
Normal file
109
grpc_test.go
Normal file
@ -0,0 +1,109 @@
|
||||
package grpc
|
||||
|
||||
import (
|
||||
"strings"
|
||||
"testing"
|
||||
|
||||
"github.com/micro/go-micro/network/transport"
|
||||
)
|
||||
|
||||
func expectedPort(t *testing.T, expected string, lsn transport.Listener) {
|
||||
parts := strings.Split(lsn.Addr(), ":")
|
||||
port := parts[len(parts)-1]
|
||||
|
||||
if port != expected {
|
||||
lsn.Close()
|
||||
t.Errorf("Expected address to be `%s`, got `%s`", expected, port)
|
||||
}
|
||||
}
|
||||
|
||||
func TestGRPCTransportPortRange(t *testing.T) {
|
||||
tp := NewTransport()
|
||||
|
||||
lsn1, err := tp.Listen(":44444-44448")
|
||||
if err != nil {
|
||||
t.Errorf("Did not expect an error, got %s", err)
|
||||
}
|
||||
expectedPort(t, "44444", lsn1)
|
||||
|
||||
lsn2, err := tp.Listen(":44444-44448")
|
||||
if err != nil {
|
||||
t.Errorf("Did not expect an error, got %s", err)
|
||||
}
|
||||
expectedPort(t, "44445", lsn2)
|
||||
|
||||
lsn, err := tp.Listen(":0")
|
||||
if err != nil {
|
||||
t.Errorf("Did not expect an error, got %s", err)
|
||||
}
|
||||
|
||||
lsn.Close()
|
||||
lsn1.Close()
|
||||
lsn2.Close()
|
||||
}
|
||||
|
||||
func TestGRPCTransportCommunication(t *testing.T) {
|
||||
tr := NewTransport()
|
||||
|
||||
l, err := tr.Listen(":0")
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected listen err: %v", err)
|
||||
}
|
||||
defer l.Close()
|
||||
|
||||
fn := func(sock transport.Socket) {
|
||||
defer sock.Close()
|
||||
|
||||
for {
|
||||
var m transport.Message
|
||||
if err := sock.Recv(&m); err != nil {
|
||||
return
|
||||
}
|
||||
|
||||
if err := sock.Send(&m); err != nil {
|
||||
return
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
done := make(chan bool)
|
||||
|
||||
go func() {
|
||||
if err := l.Accept(fn); err != nil {
|
||||
select {
|
||||
case <-done:
|
||||
default:
|
||||
t.Errorf("Unexpected accept err: %v", err)
|
||||
}
|
||||
}
|
||||
}()
|
||||
|
||||
c, err := tr.Dial(l.Addr())
|
||||
if err != nil {
|
||||
t.Errorf("Unexpected dial err: %v", err)
|
||||
}
|
||||
defer c.Close()
|
||||
|
||||
m := transport.Message{
|
||||
Header: map[string]string{
|
||||
"X-Content-Type": "application/json",
|
||||
},
|
||||
Body: []byte(`{"message": "Hello World"}`),
|
||||
}
|
||||
|
||||
if err := c.Send(&m); err != nil {
|
||||
t.Errorf("Unexpected send err: %v", err)
|
||||
}
|
||||
|
||||
var rm transport.Message
|
||||
|
||||
if err := c.Recv(&rm); err != nil {
|
||||
t.Errorf("Unexpected recv err: %v", err)
|
||||
}
|
||||
|
||||
if string(rm.Body) != string(m.Body) {
|
||||
t.Errorf("Expected %v, got %v", m.Body, rm.Body)
|
||||
}
|
||||
|
||||
close(done)
|
||||
}
|
||||
39
handler.go
Normal file
39
handler.go
Normal file
@ -0,0 +1,39 @@
|
||||
package grpc
|
||||
|
||||
import (
|
||||
"runtime/debug"
|
||||
|
||||
"github.com/micro/go-micro/network/transport"
|
||||
pb "github.com/micro/go-micro/network/transport/grpc/proto"
|
||||
"github.com/micro/go-micro/util/log"
|
||||
"google.golang.org/grpc/peer"
|
||||
)
|
||||
|
||||
// microTransport satisfies the pb.TransportServer inteface
|
||||
type microTransport struct {
|
||||
addr string
|
||||
fn func(transport.Socket)
|
||||
}
|
||||
|
||||
func (m *microTransport) Stream(ts pb.Transport_StreamServer) error {
|
||||
sock := &grpcTransportSocket{
|
||||
stream: ts,
|
||||
local: m.addr,
|
||||
}
|
||||
|
||||
p, ok := peer.FromContext(ts.Context())
|
||||
if ok {
|
||||
sock.remote = p.Addr.String()
|
||||
}
|
||||
|
||||
defer func() {
|
||||
if r := recover(); r != nil {
|
||||
log.Log(r, string(debug.Stack()))
|
||||
sock.Close()
|
||||
}
|
||||
}()
|
||||
|
||||
// execute socket func
|
||||
m.fn(sock)
|
||||
return nil
|
||||
}
|
||||
163
proto/transport.micro.go
Normal file
163
proto/transport.micro.go
Normal file
@ -0,0 +1,163 @@
|
||||
// Code generated by protoc-gen-micro. DO NOT EDIT.
|
||||
// source: go-micro/network/transport/grpc/proto/transport.proto
|
||||
|
||||
package go_micro_grpc_transport
|
||||
|
||||
import (
|
||||
fmt "fmt"
|
||||
proto "github.com/golang/protobuf/proto"
|
||||
math "math"
|
||||
)
|
||||
|
||||
import (
|
||||
context "context"
|
||||
client "github.com/micro/go-micro/client"
|
||||
server "github.com/micro/go-micro/server"
|
||||
)
|
||||
|
||||
// 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
|
||||
|
||||
// Reference imports to suppress errors if they are not otherwise used.
|
||||
var _ context.Context
|
||||
var _ client.Option
|
||||
var _ server.Option
|
||||
|
||||
// Client API for Transport service
|
||||
|
||||
type TransportService interface {
|
||||
Stream(ctx context.Context, opts ...client.CallOption) (Transport_StreamService, error)
|
||||
}
|
||||
|
||||
type transportService struct {
|
||||
c client.Client
|
||||
name string
|
||||
}
|
||||
|
||||
func NewTransportService(name string, c client.Client) TransportService {
|
||||
if c == nil {
|
||||
c = client.NewClient()
|
||||
}
|
||||
if len(name) == 0 {
|
||||
name = "go.micro.grpc.transport"
|
||||
}
|
||||
return &transportService{
|
||||
c: c,
|
||||
name: name,
|
||||
}
|
||||
}
|
||||
|
||||
func (c *transportService) Stream(ctx context.Context, opts ...client.CallOption) (Transport_StreamService, error) {
|
||||
req := c.c.NewRequest(c.name, "Transport.Stream", &Message{})
|
||||
stream, err := c.c.Stream(ctx, req, opts...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return &transportServiceStream{stream}, nil
|
||||
}
|
||||
|
||||
type Transport_StreamService interface {
|
||||
SendMsg(interface{}) error
|
||||
RecvMsg(interface{}) error
|
||||
Close() error
|
||||
Send(*Message) error
|
||||
Recv() (*Message, error)
|
||||
}
|
||||
|
||||
type transportServiceStream struct {
|
||||
stream client.Stream
|
||||
}
|
||||
|
||||
func (x *transportServiceStream) Close() error {
|
||||
return x.stream.Close()
|
||||
}
|
||||
|
||||
func (x *transportServiceStream) SendMsg(m interface{}) error {
|
||||
return x.stream.Send(m)
|
||||
}
|
||||
|
||||
func (x *transportServiceStream) RecvMsg(m interface{}) error {
|
||||
return x.stream.Recv(m)
|
||||
}
|
||||
|
||||
func (x *transportServiceStream) Send(m *Message) error {
|
||||
return x.stream.Send(m)
|
||||
}
|
||||
|
||||
func (x *transportServiceStream) Recv() (*Message, error) {
|
||||
m := new(Message)
|
||||
err := x.stream.Recv(m)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return m, nil
|
||||
}
|
||||
|
||||
// Server API for Transport service
|
||||
|
||||
type TransportHandler interface {
|
||||
Stream(context.Context, Transport_StreamStream) error
|
||||
}
|
||||
|
||||
func RegisterTransportHandler(s server.Server, hdlr TransportHandler, opts ...server.HandlerOption) error {
|
||||
type transport interface {
|
||||
Stream(ctx context.Context, stream server.Stream) error
|
||||
}
|
||||
type Transport struct {
|
||||
transport
|
||||
}
|
||||
h := &transportHandler{hdlr}
|
||||
return s.Handle(s.NewHandler(&Transport{h}, opts...))
|
||||
}
|
||||
|
||||
type transportHandler struct {
|
||||
TransportHandler
|
||||
}
|
||||
|
||||
func (h *transportHandler) Stream(ctx context.Context, stream server.Stream) error {
|
||||
return h.TransportHandler.Stream(ctx, &transportStreamStream{stream})
|
||||
}
|
||||
|
||||
type Transport_StreamStream interface {
|
||||
SendMsg(interface{}) error
|
||||
RecvMsg(interface{}) error
|
||||
Close() error
|
||||
Send(*Message) error
|
||||
Recv() (*Message, error)
|
||||
}
|
||||
|
||||
type transportStreamStream struct {
|
||||
stream server.Stream
|
||||
}
|
||||
|
||||
func (x *transportStreamStream) Close() error {
|
||||
return x.stream.Close()
|
||||
}
|
||||
|
||||
func (x *transportStreamStream) SendMsg(m interface{}) error {
|
||||
return x.stream.Send(m)
|
||||
}
|
||||
|
||||
func (x *transportStreamStream) RecvMsg(m interface{}) error {
|
||||
return x.stream.Recv(m)
|
||||
}
|
||||
|
||||
func (x *transportStreamStream) Send(m *Message) error {
|
||||
return x.stream.Send(m)
|
||||
}
|
||||
|
||||
func (x *transportStreamStream) Recv() (*Message, error) {
|
||||
m := new(Message)
|
||||
if err := x.stream.Recv(m); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return m, nil
|
||||
}
|
||||
201
proto/transport.pb.go
Normal file
201
proto/transport.pb.go
Normal file
@ -0,0 +1,201 @@
|
||||
// Code generated by protoc-gen-go. DO NOT EDIT.
|
||||
// source: go-micro/network/transport/grpc/proto/transport.proto
|
||||
|
||||
package go_micro_grpc_transport
|
||||
|
||||
import (
|
||||
context "context"
|
||||
fmt "fmt"
|
||||
proto "github.com/golang/protobuf/proto"
|
||||
grpc "google.golang.org/grpc"
|
||||
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 Message struct {
|
||||
Header map[string]string `protobuf:"bytes,1,rep,name=header,proto3" json:"header,omitempty" protobuf_key:"bytes,1,opt,name=key,proto3" protobuf_val:"bytes,2,opt,name=value,proto3"`
|
||||
Body []byte `protobuf:"bytes,2,opt,name=body,proto3" json:"body,omitempty"`
|
||||
XXX_NoUnkeyedLiteral struct{} `json:"-"`
|
||||
XXX_unrecognized []byte `json:"-"`
|
||||
XXX_sizecache int32 `json:"-"`
|
||||
}
|
||||
|
||||
func (m *Message) Reset() { *m = Message{} }
|
||||
func (m *Message) String() string { return proto.CompactTextString(m) }
|
||||
func (*Message) ProtoMessage() {}
|
||||
func (*Message) Descriptor() ([]byte, []int) {
|
||||
return fileDescriptor_29b90b9ccd5e0da5, []int{0}
|
||||
}
|
||||
|
||||
func (m *Message) XXX_Unmarshal(b []byte) error {
|
||||
return xxx_messageInfo_Message.Unmarshal(m, b)
|
||||
}
|
||||
func (m *Message) XXX_Marshal(b []byte, deterministic bool) ([]byte, error) {
|
||||
return xxx_messageInfo_Message.Marshal(b, m, deterministic)
|
||||
}
|
||||
func (m *Message) XXX_Merge(src proto.Message) {
|
||||
xxx_messageInfo_Message.Merge(m, src)
|
||||
}
|
||||
func (m *Message) XXX_Size() int {
|
||||
return xxx_messageInfo_Message.Size(m)
|
||||
}
|
||||
func (m *Message) XXX_DiscardUnknown() {
|
||||
xxx_messageInfo_Message.DiscardUnknown(m)
|
||||
}
|
||||
|
||||
var xxx_messageInfo_Message proto.InternalMessageInfo
|
||||
|
||||
func (m *Message) GetHeader() map[string]string {
|
||||
if m != nil {
|
||||
return m.Header
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func (m *Message) GetBody() []byte {
|
||||
if m != nil {
|
||||
return m.Body
|
||||
}
|
||||
return nil
|
||||
}
|
||||
|
||||
func init() {
|
||||
proto.RegisterType((*Message)(nil), "go.micro.grpc.transport.Message")
|
||||
proto.RegisterMapType((map[string]string)(nil), "go.micro.grpc.transport.Message.HeaderEntry")
|
||||
}
|
||||
|
||||
func init() {
|
||||
proto.RegisterFile("go-micro/network/transport/grpc/proto/transport.proto", fileDescriptor_29b90b9ccd5e0da5)
|
||||
}
|
||||
|
||||
var fileDescriptor_29b90b9ccd5e0da5 = []byte{
|
||||
// 214 bytes of a gzipped FileDescriptorProto
|
||||
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02, 0xff, 0xe2, 0xd2, 0x4d, 0xcf, 0xd7, 0xcd,
|
||||
0xcd, 0x4c, 0x2e, 0xca, 0xd7, 0x2f, 0x29, 0x4a, 0xcc, 0x2b, 0x2e, 0xc8, 0x2f, 0x2a, 0xd1, 0x4f,
|
||||
0x2f, 0x2a, 0x48, 0xd6, 0x2f, 0x28, 0xca, 0x2f, 0x41, 0x12, 0xd4, 0x03, 0xf3, 0x85, 0xc4, 0xd3,
|
||||
0xf3, 0xf5, 0xc0, 0xca, 0xf5, 0x40, 0x8a, 0xf4, 0xe0, 0xd2, 0x4a, 0xf3, 0x18, 0xb9, 0xd8, 0x7d,
|
||||
0x53, 0x8b, 0x8b, 0x13, 0xd3, 0x53, 0x85, 0x5c, 0xb8, 0xd8, 0x32, 0x52, 0x13, 0x53, 0x52, 0x8b,
|
||||
0x24, 0x18, 0x15, 0x98, 0x35, 0xb8, 0x8d, 0x74, 0xf4, 0x70, 0xe8, 0xd2, 0x83, 0xea, 0xd0, 0xf3,
|
||||
0x00, 0x2b, 0x77, 0xcd, 0x2b, 0x29, 0xaa, 0x0c, 0x82, 0xea, 0x15, 0x12, 0xe2, 0x62, 0x49, 0xca,
|
||||
0x4f, 0xa9, 0x94, 0x60, 0x52, 0x60, 0xd4, 0xe0, 0x09, 0x02, 0xb3, 0xa5, 0x2c, 0xb9, 0xb8, 0x91,
|
||||
0x94, 0x0a, 0x09, 0x70, 0x31, 0x67, 0xa7, 0x56, 0x4a, 0x30, 0x2a, 0x30, 0x6a, 0x70, 0x06, 0x81,
|
||||
0x98, 0x42, 0x22, 0x5c, 0xac, 0x65, 0x89, 0x39, 0xa5, 0xa9, 0x60, 0x5d, 0x9c, 0x41, 0x10, 0x8e,
|
||||
0x15, 0x93, 0x05, 0xa3, 0x51, 0x3c, 0x17, 0x67, 0x08, 0xcc, 0x5e, 0xa1, 0x20, 0x2e, 0xb6, 0xe0,
|
||||
0x92, 0xa2, 0xd4, 0xc4, 0x5c, 0x21, 0x05, 0x42, 0x6e, 0x93, 0x22, 0xa8, 0x42, 0x89, 0x41, 0x83,
|
||||
0xd1, 0x80, 0x31, 0x89, 0x0d, 0x1c, 0x42, 0xc6, 0x80, 0x00, 0x00, 0x00, 0xff, 0xff, 0x77, 0xa1,
|
||||
0xa4, 0xcb, 0x52, 0x01, 0x00, 0x00,
|
||||
}
|
||||
|
||||
// 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
|
||||
|
||||
// TransportClient is the client API for Transport service.
|
||||
//
|
||||
// For semantics around ctx use and closing/ending streaming RPCs, please refer to https://godoc.org/google.golang.org/grpc#ClientConn.NewStream.
|
||||
type TransportClient interface {
|
||||
Stream(ctx context.Context, opts ...grpc.CallOption) (Transport_StreamClient, error)
|
||||
}
|
||||
|
||||
type transportClient struct {
|
||||
cc *grpc.ClientConn
|
||||
}
|
||||
|
||||
func NewTransportClient(cc *grpc.ClientConn) TransportClient {
|
||||
return &transportClient{cc}
|
||||
}
|
||||
|
||||
func (c *transportClient) Stream(ctx context.Context, opts ...grpc.CallOption) (Transport_StreamClient, error) {
|
||||
stream, err := c.cc.NewStream(ctx, &_Transport_serviceDesc.Streams[0], "/go.micro.grpc.transport.Transport/Stream", opts...)
|
||||
if err != nil {
|
||||
return nil, err
|
||||
}
|
||||
x := &transportStreamClient{stream}
|
||||
return x, nil
|
||||
}
|
||||
|
||||
type Transport_StreamClient interface {
|
||||
Send(*Message) error
|
||||
Recv() (*Message, error)
|
||||
grpc.ClientStream
|
||||
}
|
||||
|
||||
type transportStreamClient struct {
|
||||
grpc.ClientStream
|
||||
}
|
||||
|
||||
func (x *transportStreamClient) Send(m *Message) error {
|
||||
return x.ClientStream.SendMsg(m)
|
||||
}
|
||||
|
||||
func (x *transportStreamClient) Recv() (*Message, error) {
|
||||
m := new(Message)
|
||||
if err := x.ClientStream.RecvMsg(m); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return m, nil
|
||||
}
|
||||
|
||||
// TransportServer is the server API for Transport service.
|
||||
type TransportServer interface {
|
||||
Stream(Transport_StreamServer) error
|
||||
}
|
||||
|
||||
func RegisterTransportServer(s *grpc.Server, srv TransportServer) {
|
||||
s.RegisterService(&_Transport_serviceDesc, srv)
|
||||
}
|
||||
|
||||
func _Transport_Stream_Handler(srv interface{}, stream grpc.ServerStream) error {
|
||||
return srv.(TransportServer).Stream(&transportStreamServer{stream})
|
||||
}
|
||||
|
||||
type Transport_StreamServer interface {
|
||||
Send(*Message) error
|
||||
Recv() (*Message, error)
|
||||
grpc.ServerStream
|
||||
}
|
||||
|
||||
type transportStreamServer struct {
|
||||
grpc.ServerStream
|
||||
}
|
||||
|
||||
func (x *transportStreamServer) Send(m *Message) error {
|
||||
return x.ServerStream.SendMsg(m)
|
||||
}
|
||||
|
||||
func (x *transportStreamServer) Recv() (*Message, error) {
|
||||
m := new(Message)
|
||||
if err := x.ServerStream.RecvMsg(m); err != nil {
|
||||
return nil, err
|
||||
}
|
||||
return m, nil
|
||||
}
|
||||
|
||||
var _Transport_serviceDesc = grpc.ServiceDesc{
|
||||
ServiceName: "go.micro.grpc.transport.Transport",
|
||||
HandlerType: (*TransportServer)(nil),
|
||||
Methods: []grpc.MethodDesc{},
|
||||
Streams: []grpc.StreamDesc{
|
||||
{
|
||||
StreamName: "Stream",
|
||||
Handler: _Transport_Stream_Handler,
|
||||
ServerStreams: true,
|
||||
ClientStreams: true,
|
||||
},
|
||||
},
|
||||
Metadata: "go-micro/network/transport/grpc/proto/transport.proto",
|
||||
}
|
||||
12
proto/transport.proto
Normal file
12
proto/transport.proto
Normal file
@ -0,0 +1,12 @@
|
||||
syntax = "proto3";
|
||||
|
||||
package go.micro.grpc.transport;
|
||||
|
||||
service Transport {
|
||||
rpc Stream(stream Message) returns (stream Message) {}
|
||||
}
|
||||
|
||||
message Message {
|
||||
map<string, string> header = 1;
|
||||
bytes body = 2;
|
||||
}
|
||||
97
socket.go
Normal file
97
socket.go
Normal file
@ -0,0 +1,97 @@
|
||||
package grpc
|
||||
|
||||
import (
|
||||
"github.com/micro/go-micro/network/transport"
|
||||
pb "github.com/micro/go-micro/network/transport/grpc/proto"
|
||||
"google.golang.org/grpc"
|
||||
)
|
||||
|
||||
type grpcTransportClient struct {
|
||||
conn *grpc.ClientConn
|
||||
stream pb.Transport_StreamClient
|
||||
|
||||
local string
|
||||
remote string
|
||||
}
|
||||
|
||||
type grpcTransportSocket struct {
|
||||
stream pb.Transport_StreamServer
|
||||
local string
|
||||
remote string
|
||||
}
|
||||
|
||||
func (g *grpcTransportClient) Local() string {
|
||||
return g.local
|
||||
}
|
||||
|
||||
func (g *grpcTransportClient) Remote() string {
|
||||
return g.remote
|
||||
}
|
||||
|
||||
func (g *grpcTransportClient) Recv(m *transport.Message) error {
|
||||
if m == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
msg, err := g.stream.Recv()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
m.Header = msg.Header
|
||||
m.Body = msg.Body
|
||||
return nil
|
||||
}
|
||||
|
||||
func (g *grpcTransportClient) Send(m *transport.Message) error {
|
||||
if m == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
return g.stream.Send(&pb.Message{
|
||||
Header: m.Header,
|
||||
Body: m.Body,
|
||||
})
|
||||
}
|
||||
|
||||
func (g *grpcTransportClient) Close() error {
|
||||
return g.conn.Close()
|
||||
}
|
||||
|
||||
func (g *grpcTransportSocket) Local() string {
|
||||
return g.local
|
||||
}
|
||||
|
||||
func (g *grpcTransportSocket) Remote() string {
|
||||
return g.remote
|
||||
}
|
||||
|
||||
func (g *grpcTransportSocket) Recv(m *transport.Message) error {
|
||||
if m == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
msg, err := g.stream.Recv()
|
||||
if err != nil {
|
||||
return err
|
||||
}
|
||||
|
||||
m.Header = msg.Header
|
||||
m.Body = msg.Body
|
||||
return nil
|
||||
}
|
||||
|
||||
func (g *grpcTransportSocket) Send(m *transport.Message) error {
|
||||
if m == nil {
|
||||
return nil
|
||||
}
|
||||
|
||||
return g.stream.Send(&pb.Message{
|
||||
Header: m.Header,
|
||||
Body: m.Body,
|
||||
})
|
||||
}
|
||||
|
||||
func (g *grpcTransportSocket) Close() error {
|
||||
return nil
|
||||
}
|
||||
Loading…
Reference in New Issue
Block a user