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example.go
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example.go
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package handler
import (
"context"
"github.com/micro/go-micro/util/log"
example "github.com/hb-go/micro/istio/grpc/srv/proto/example"
)
type Example struct{}
// Call is a single request handler called via client.Call or the generated client code
func (e *Example) Call(ctx context.Context, req *example.Request, rsp *example.Response) error {
log.Log("Received Example.Call request")
rsp.Msg = "Hello " + req.Name
return nil
}
// Stream is a server side stream handler called via client.Stream or the generated client code
func (e *Example) Stream(ctx context.Context, req *example.StreamingRequest, stream example.Example_StreamStream) error {
log.Logf("Received Example.Stream request with count: %d", req.Count)
for i := 0; i < int(req.Count); i++ {
log.Logf("Responding: %d", i)
if err := stream.Send(&example.StreamingResponse{
Count: int64(i),
}); err != nil {
return err
}
}
return nil
}
// PingPong is a bidirectional stream handler called via client.Stream or the generated client code
func (e *Example) PingPong(ctx context.Context, stream example.Example_PingPongStream) error {
for {
req, err := stream.Recv()
if err != nil {
return err
}
log.Logf("Got ping %v", req.Stroke)
if err := stream.Send(&example.Pong{Stroke: req.Stroke}); err != nil {
return err
}
}
}