package main import ( "fmt" "github.com/myodc/go-micro/client" "github.com/myodc/go-micro/cmd" c "github.com/myodc/go-micro/context" example "github.com/myodc/go-micro/examples/server/proto/example" "golang.org/x/net/context" ) func pub() { msg := client.NewPublication("topic.go.micro.srv.example", &example.Message{ Say: "This is a publication", }) // create context with metadata ctx := c.WithMetadata(context.Background(), map[string]string{ "X-User-Id": "john", "X-From-Id": "script", }) // publish message if err := client.Publish(ctx, msg); err != nil { fmt.Println("pub err: ", err) return } fmt.Printf("Published: %v\n", msg) } func call(i int) { // Create new request to service go.micro.srv.example, method Example.Call req := client.NewRequest("go.micro.srv.example", "Example.Call", &example.Request{ Name: "John", }) // create context with metadata ctx := c.WithMetadata(context.Background(), map[string]string{ "X-User-Id": "john", "X-From-Id": "script", }) rsp := &example.Response{} // Call service if err := client.Call(ctx, req, rsp); err != nil { fmt.Println("call err: ", err, rsp) return } fmt.Println("Call:", i, "rsp:", rsp.Msg) } func stream() { // Create new request to service go.micro.srv.example, method Example.Call req := client.NewRequest("go.micro.srv.example", "Example.Stream", &example.StreamingRequest{ Count: int64(10), }) rspChan := make(chan *example.StreamingResponse, 10) stream, err := client.Stream(context.Background(), req, rspChan) if err != nil { fmt.Println("err:", err) return } for rsp := range rspChan { fmt.Println("Stream: rsp:", rsp.Count) } if stream.Error() != nil { fmt.Println("stream err:", err) return } stream.Close() } func main() { cmd.Init() for i := 0; i < 10; i++ { call(i) } stream() pub() }