func doEchoStream(client simple.SimpleClient, num int) {
log.Printf("EchoStream: %v", num)
stream, err := client.EchoStream(context.Background())
if err != nil {
log.Printf("Failed EchoStream: %v", err)
return
}
done := make(chan struct{})
go func() {
defer close(done)
for {
in, err := stream.Recv()
if err == io.EOF {
return
}
if err != nil {
log.Printf("Failed EchoStream: %v", err)
return
}
log.Printf("EchoStream received %v", in)
}
}()
defer func() {
stream.CloseSend()
<-done
}()
for i := 0; i < num; i++ {
if err := stream.Send(&simple.Number{Num: int32(i)}); err != nil {
log.Printf("Failed to EchoStream: %v", err)
return
}
}
}
func doEcho(client simple.SimpleClient, num int) {
req := &simple.Number{Num: int32(num)}
log.Printf("Echo: %v", req)
reply, err := client.Echo(context.Background(), req)
if err != nil {
log.Printf("Failed to echo: %v", err)
return
}
log.Printf("Echo reply: %v", reply)
}
func doSum(client simple.SimpleClient, num int) {
log.Printf("Sum: %d", num)
stream, err := client.Sum(context.Background())
if err != nil {
log.Printf("Failed to Sum: %v", err)
return
}
for i := 0; i < num; i++ {
if err := stream.Send(&simple.Number{Num: int32(i)}); err != nil {
log.Printf("Failed to sum: %v", err)
return
}
}
reply, err := stream.CloseAndRecv()
if err != nil {
log.Printf("Failed to sum: %v", err)
return
}
log.Printf("Sum up to %d: %v", num, reply)
}
// printFeatures lists all the features within the given bounding Rectangle.
func doCount(client simple.SimpleClient, num int) {
req := &simple.Number{Num: int32(num)}
log.Printf("Count: %v", req)
stream, err := client.Count(context.Background(), req)
if err != nil {
log.Printf("Failed to count: %v", err)
return
}
for {
reply, err := stream.Recv()
if err == io.EOF {
break
}
if err != nil {
log.Printf("Count stream failed: %v", err)
return
}
log.Printf("Count reply: %v", reply)
}
log.Printf("Counting complete")
}