Created
December 14, 2023 03:56
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package main | |
import ( | |
"context" | |
"crypto/tls" | |
"fmt" | |
"io" | |
"log" | |
"net/http" | |
"time" | |
"golang.org/x/net/http2" | |
) | |
func main() { | |
go startHttp2Server() | |
time.Sleep(100 * time.Millisecond) | |
if err := startHttp2Client(); err != nil { | |
log.Fatalf("Error in HTTP/2 client: %v", err) | |
} | |
} | |
func startHttp2Server() { | |
server := &http.Server{ | |
Addr: ":8080", | |
Handler: http.HandlerFunc(handle), | |
TLSConfig: &tls.Config{ | |
NextProtos: []string{"h2"}, // Specify HTTP/2 protocol | |
}, | |
} | |
log.Println("Starting HTTP/2 server on :8080") | |
log.Fatal(server.ListenAndServeTLS("server.crt", "server.key")) | |
} | |
func handle(w http.ResponseWriter, r *http.Request) { | |
w.WriteHeader(http.StatusOK) | |
time.Sleep(time.Second) | |
fmt.Fprintf(w, "Hello, HTTP/2 client!") | |
} | |
func startHttp2Client() error { | |
client := http.Client{ | |
Transport: &http2.Transport{ | |
TLSClientConfig: &tls.Config{ | |
NextProtos: []string{"h2"}, | |
InsecureSkipVerify: true, | |
}, | |
}, | |
} | |
ctx, cancel := context.WithCancel(context.Background()) | |
time.AfterFunc(100*time.Millisecond, cancel) | |
req, err := http.NewRequestWithContext(ctx, http.MethodGet, "https://localhost:8080", nil) | |
if err != nil { | |
return err | |
} | |
resp, err := client.Do(req) | |
if err != nil { | |
fmt.Printf("%#v\n", err) | |
return err | |
} | |
defer resp.Body.Close() | |
body, err := io.ReadAll(resp.Body) | |
if err != nil { | |
return err | |
} | |
fmt.Printf("Response from server: %s\n", body) | |
return nil | |
} |
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