micro/examples/server/handler/example.go

59 lines
1.4 KiB
Go

package handler
import (
log "github.com/golang/glog"
c "github.com/micro/go-micro/context"
example "github.com/micro/go-micro/examples/server/proto/example"
"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, _ := c.GetMetadata(ctx)
log.Infof("Received Example.Call request with metadata: %v", md)
rsp.Msg = server.Config().Id() + ": Hello " + req.Name
return nil
}
func (e *Example) Stream(ctx context.Context, stream server.Streamer) error {
log.Info("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.Errorf("Error receiving streaming request: %v", err)
return err
}
log.Infof("Received Example.Stream request with count: %d", req.Count)
for i := 0; i < int(req.Count); i++ {
log.Infof("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.Infof("Got ping %v", req.Stroke)
if err := stream.Send(&example.Pong{Stroke: req.Stroke}); err != nil {
return err
}
}
return nil
}