micro/examples/client/main.go

71 lines
1.4 KiB
Go

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 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("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("err:", err)
return
}
stream.Close()
}
func main() {
cmd.Init()
for i := 0; i < 10; i++ {
call(i)
}
stream()
}