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Add code generation example

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This commit is contained in:
Asim 2015-12-02 22:44:01 +00:00
parent ab650630ce
commit 00d95203ba
3 changed files with 194 additions and 19 deletions
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56
examples/client/codegen/codegen.go Normal file
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@ -0,0 +1,56 @@
package main
import (
"fmt"
"github.com/micro/go-micro/cmd"
example "github.com/micro/go-micro/examples/server/proto/example"
"golang.org/x/net/context"
)
var (
cl = example.NewExampleClient(nil)
)
func call(i int) {
rsp, err := cl.Call(context.Background(), &example.Request{Name: "John"})
if err != nil {
fmt.Println("call err: ", err, rsp)
return
}
fmt.Println("Call:", i, "rsp:", rsp.Msg)
}
func stream() {
stream, err := cl.Stream(context.Background(), &example.StreamingRequest{Count: int64(10)})
if err != nil {
fmt.Println("err:", err)
return
}
for i := 0; i < 10; i++ {
rsp, err := stream.Next()
if err != nil {
fmt.Println("err:", err)
break
}
fmt.Println("Stream: rsp:", rsp.Count)
}
if stream.Error() != nil {
fmt.Println("stream err:", err)
return
}
if err := stream.Close(); err != nil {
fmt.Println("stream close err:", err)
}
}
func main() {
cmd.Init()
fmt.Println("\n--- Call example ---\n")
for i := 0; i < 10; i++ {
call(i)
}
fmt.Println("\n--- Streamer example ---\n")
stream()
}

120
examples/server/proto/example/example.pb.go
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@ -1,12 +1,12 @@
// Code generated by protoc-gen-go.
// source: go-micro/examples/server/proto/example/example.proto
// source: example.proto
// DO NOT EDIT!
/*
Package example is a generated protocol buffer package.
Package go_micro_srv_example is a generated protocol buffer package.
It is generated from these files:
go-micro/examples/server/proto/example/example.proto
example.proto
It has these top-level messages:
Message
@ -15,12 +15,22 @@ It has these top-level messages:
StreamingRequest
StreamingResponse
*/
package example
package go_micro_srv_example
import proto "github.com/golang/protobuf/proto"
import fmt "fmt"
import math "math"
import (
context "golang.org/x/net/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
type Message struct {
Say string `protobuf:"bytes,1,opt,name=say" json:"say,omitempty"`
@ -29,6 +39,7 @@ type Message struct {
func (m *Message) Reset() { *m = Message{} }
func (m *Message) String() string { return proto.CompactTextString(m) }
func (*Message) ProtoMessage() {}
func (*Message) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{0} }
type Request struct {
Name string `protobuf:"bytes,1,opt,name=name" json:"name,omitempty"`
@ -37,6 +48,7 @@ type Request struct {
func (m *Request) Reset() { *m = Request{} }
func (m *Request) String() string { return proto.CompactTextString(m) }
func (*Request) ProtoMessage() {}
func (*Request) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{1} }
type Response struct {
Msg string `protobuf:"bytes,1,opt,name=msg" json:"msg,omitempty"`
@ -45,6 +57,7 @@ type Response struct {
func (m *Response) Reset() { *m = Response{} }
func (m *Response) String() string { return proto.CompactTextString(m) }
func (*Response) ProtoMessage() {}
func (*Response) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{2} }
type StreamingRequest struct {
Count int64 `protobuf:"varint,1,opt,name=count" json:"count,omitempty"`
@ -53,6 +66,7 @@ type StreamingRequest struct {
func (m *StreamingRequest) Reset() { *m = StreamingRequest{} }
func (m *StreamingRequest) String() string { return proto.CompactTextString(m) }
func (*StreamingRequest) ProtoMessage() {}
func (*StreamingRequest) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{3} }
type StreamingResponse struct {
Count int64 `protobuf:"varint,1,opt,name=count" json:"count,omitempty"`
@ -61,6 +75,104 @@ type StreamingResponse struct {
func (m *StreamingResponse) Reset() { *m = StreamingResponse{} }
func (m *StreamingResponse) String() string { return proto.CompactTextString(m) }
func (*StreamingResponse) ProtoMessage() {}
func (*StreamingResponse) Descriptor() ([]byte, []int) { return fileDescriptor0, []int{4} }
func init() {
proto.RegisterType((*Message)(nil), "go.micro.srv.example.Message")
proto.RegisterType((*Request)(nil), "go.micro.srv.example.Request")
proto.RegisterType((*Response)(nil), "go.micro.srv.example.Response")
proto.RegisterType((*StreamingRequest)(nil), "go.micro.srv.example.StreamingRequest")
proto.RegisterType((*StreamingResponse)(nil), "go.micro.srv.example.StreamingResponse")
}
// Reference imports to suppress errors if they are not otherwise used.
var _ context.Context
var _ client.Option
var _ server.Option
// Client API for Example service
type ExampleClient interface {
Call(ctx context.Context, in *Request) (*Response, error)
Stream(ctx context.Context, in *StreamingRequest) (Example_StreamClient, error)
}
type exampleClient struct {
c client.Client
}
func NewExampleClient(c client.Client) ExampleClient {
if c == nil {
c = client.NewClient()
}
return &exampleClient{
c: c,
}
}
func (c *exampleClient) Call(ctx context.Context, in *Request) (*Response, error) {
req := c.c.NewRequest("go.micro.srv.example", "Example.Call", in)
out := new(Response)
err := c.c.Call(ctx, req, out)
if err != nil {
return nil, err
}
return out, nil
}
func (c *exampleClient) Stream(ctx context.Context, in *StreamingRequest) (Example_StreamClient, error) {
req := c.c.NewRequest("go.micro.srv.example", "Example.Stream", in)
outCh := make(chan *StreamingResponse)
stream, err := c.c.Stream(ctx, req, outCh)
if err != nil {
return nil, err
}
return &exampleStreamClient{stream, outCh}, nil
}
type Example_StreamClient interface {
Next() (*StreamingResponse, error)
client.Streamer
}
type exampleStreamClient struct {
client.Streamer
next chan *StreamingResponse
}
func (x *exampleStreamClient) Next() (*StreamingResponse, error) {
out, ok := <-x.next
if !ok {
return nil, fmt.Errorf(`chan closed`)
}
return out, nil
}
// Server API for Example service
type ExampleServer interface {
Call(context.Context, *Request) (*Response, error)
Stream(context.Context, *StreamingRequest, func(*StreamingResponse) error) error
}
func RegisterExampleServer(s server.Server, srv ExampleServer) {
s.Handle(s.NewHandler(srv))
}
var fileDescriptor0 = []byte{
// 211 bytes of a gzipped FileDescriptorProto
0x1f, 0x8b, 0x08, 0x00, 0x00, 0x09, 0x6e, 0x88, 0x02, 0xff, 0xe2, 0xe2, 0x4d, 0xad, 0x48, 0xcc,
0x2d, 0xc8, 0x49, 0xd5, 0x2b, 0x28, 0xca, 0x2f, 0xc9, 0x17, 0x12, 0x49, 0xcf, 0xd7, 0xcb, 0xcd,
0x4c, 0x2e, 0xca, 0xd7, 0x2b, 0x2e, 0x2a, 0xd3, 0x83, 0xca, 0x29, 0x89, 0x71, 0xb1, 0xfb, 0xa6,
0x16, 0x17, 0x27, 0xa6, 0xa7, 0x0a, 0x71, 0x73, 0x31, 0x17, 0x27, 0x56, 0x4a, 0x30, 0x2a, 0x30,
0x6a, 0x70, 0x2a, 0x89, 0x73, 0xb1, 0x07, 0xa5, 0x16, 0x96, 0xa6, 0x16, 0x97, 0x08, 0xf1, 0x70,
0xb1, 0xe4, 0x25, 0xe6, 0xa6, 0xc2, 0x25, 0x38, 0x82, 0x52, 0x8b, 0x0b, 0xf2, 0xf3, 0x8a, 0xc1,
0x3a, 0x72, 0x8b, 0xd3, 0xa1, 0x12, 0x8a, 0x5c, 0x02, 0xc1, 0x25, 0x45, 0xa9, 0x89, 0xb9, 0x99,
0x79, 0xe9, 0x30, 0xad, 0xbc, 0x5c, 0xac, 0xc9, 0xf9, 0xa5, 0x79, 0x25, 0x60, 0x25, 0xcc, 0x4a,
0x4a, 0x5c, 0x82, 0x48, 0x4a, 0xa0, 0x86, 0xa0, 0xaa, 0x31, 0xda, 0xc8, 0xc8, 0xc5, 0xee, 0x0a,
0x71, 0x9c, 0x90, 0x3b, 0x17, 0x8b, 0x73, 0x62, 0x4e, 0x8e, 0x90, 0xac, 0x1e, 0x36, 0xb7, 0xeb,
0x41, 0x6d, 0x91, 0x92, 0xc3, 0x25, 0x0d, 0xb1, 0x41, 0x89, 0x41, 0x28, 0x96, 0x8b, 0x0d, 0x62,
0xb1, 0x90, 0x1a, 0x76, 0xb5, 0xe8, 0x2e, 0x97, 0x52, 0x27, 0xa8, 0x0e, 0x66, 0xb8, 0x01, 0x63,
0x12, 0x1b, 0x38, 0x84, 0x8d, 0x01, 0x01, 0x00, 0x00, 0xff, 0xff, 0x71, 0xe5, 0x8f, 0x25, 0x72,
0x01, 0x00, 0x00,
}

7
examples/server/proto/example/example.proto
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@ -1,5 +1,12 @@
syntax = "proto3";
package go.micro.srv.example;
service Example {
rpc Call(Request) returns (Response) {}
rpc Stream(StreamingRequest) returns (stream StreamingResponse) {}
}
message Message {
string say = 1;
}