forked from go-micro/go-micro
/
example.go
58 lines (46 loc) · 1.39 KB
/
example.go
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package handler
import (
"log"
example "github.com/micro/go-micro/examples/server/proto/example"
"github.com/micro/go-micro/metadata"
"github.com/micro/go-micro/server"
"golang.org/x/net/context"
)
type Example struct{}
func (e *Example) Call(ctx context.Context, req *example.Request, rsp *example.Response) error {
md, _ := metadata.FromContext(ctx)
log.Printf("Received Example.Call request with metadata: %v", md)
rsp.Msg = server.DefaultOptions().Id + ": Hello " + req.Name
return nil
}
func (e *Example) Stream(ctx context.Context, stream server.Streamer) error {
log.Print("Executing streaming handler")
req := &example.StreamingRequest{}
// We just want to receive 1 request and then process here
if err := stream.Recv(req); err != nil {
log.Printf("Error receiving streaming request: %v", err)
return err
}
log.Printf("Received Example.Stream request with count: %d", req.Count)
for i := 0; i < int(req.Count); i++ {
log.Printf("Responding: %d", i)
if err := stream.Send(&example.StreamingResponse{
Count: int64(i),
}); err != nil {
return err
}
}
return nil
}
func (e *Example) PingPong(ctx context.Context, stream server.Streamer) error {
for {
req := &example.Ping{}
if err := stream.Recv(req); err != nil {
return err
}
log.Printf("Got ping %v", req.Stroke)
if err := stream.Send(&example.Pong{Stroke: req.Stroke}); err != nil {
return err
}
}
}