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Use FinshedBytes() in go-echo example instead of manually encoding offset (#7660)

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Co-authored-by: Derek Bailey <derekbailey@google.com>
This commit is contained in:
Michael Le
2022-11-28 18:29:48 -08:00
committed by GitHub
parent 533f75d91b
commit c3a01c7228
2 changed files with 3 additions and 20 deletions
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15
examples/go-echo/client/client.go
View File

@@ -16,13 +16,7 @@ func RequestBody() *bytes.Reader {
b := flatbuffers.NewBuilder(0)
r := net.RequestT{Player: &hero.WarriorT{Name: "Krull", Hp: 100}}
b.Finish(r.Pack(b))
// Encode builder head in last 4 bytes of request body
buf := make([]byte, 4)
flatbuffers.WriteUOffsetT(buf, b.Head())
buf = append(b.Bytes, buf...)
return bytes.NewReader(buf)
return bytes.NewReader(b.FinishedBytes())
}
func ReadResponse(r *http.Response) {
@@ -32,18 +26,13 @@ func ReadResponse(r *http.Response) {
return
}
// Last 4 bytes is offset.
off := flatbuffers.GetUOffsetT(body[len(body)-4:])
buf := body[:len(body) - 4]
res := net.GetRootAsResponse(buf, off)
res := net.GetRootAsResponse(body, 0)
player := res.Player(nil)
fmt.Printf("Got response (name: %v, hp: %v)\n", string(player.Name()), player.Hp())
}
func main() {
body := RequestBody()
req, err := http.NewRequest("POST", "http://localhost:8080/echo", body)
if err != nil {

8
examples/go-echo/server/server.go
View File

@@ -5,8 +5,6 @@ import (
"fmt"
"io/ioutil"
"net/http"
flatbuffers "github.com/google/flatbuffers/go"
)
func echo(w http.ResponseWriter, r *http.Request) {
@@ -16,11 +14,7 @@ func echo(w http.ResponseWriter, r *http.Request) {
return
}
// Last 4 bytes is offset. See client.go.
off := flatbuffers.GetUOffsetT(body[len(body)-4:])
buf := body[:len(body) - 4]
req := net.GetRootAsRequest(buf, off)
req := net.GetRootAsRequest(body, 0)
player := req.Player(nil)
fmt.Printf("Got request (name: %v, hp: %v)\n", string(player.Name()), player.Hp())