golang http2 example

http2_client.go

package main

import (
	"crypto/tls"
	"crypto/x509"
	"golang.org/x/net/http2"
	"io/ioutil"
	"log"
	"net/http"
)

func main() {
	client := &http.Client{
		Transport: transport2(),
	}

	res, err := client.Get("https://localhost:8080/profile?name=elephant")
	if err != nil {
		log.Fatal(err)
	}

	body, err := ioutil.ReadAll(res.Body)
	if err != nil {
		log.Fatal(err)
	}

	res.Body.Close()

	log.Printf("Code: %d, Body: %s", res.StatusCode, body)
}

func transport2() *http2.Transport {
	return &http2.Transport{
		TLSClientConfig:    &tls.Config{InsecureSkipVerify: true},
		DisableCompression: true,
		AllowHTTP:          false,
	}
}

func tlsConfig() *tls.Config {
	crt, err := ioutil.ReadFile("./public.crt")
	if err != nil {
		log.Fatal(err)
	}

	rootCAs := x509.NewCertPool()
	rootCAs.AppendCertsFromPEM(crt)

	return &tls.Config{
		RootCAs:            rootCAs,
		InsecureSkipVerify: false,
		ServerName:         "localhost",
	}
}

http2_server.go

package main

import (
	"encoding/json"
	"log"
	"net"
	"net/http"
	"time"
)

type Account struct {
	Name  string `json:"name"`
	Proto string `json:"proto"`
}

func main() {
	mux := http.NewServeMux()
	mux.HandleFunc("/profile", func(responseWriter http.ResponseWriter, request *http.Request) {
		account := &Account{
			Name:  request.URL.Query().Get("name"),
			Proto: request.Proto,
		}
		bs, _ := json.Marshal(account)

		responseWriter.WriteHeader(http.StatusOK)
		responseWriter.Write(bs)
	})

	server := &http.Server{
		Handler:      mux,
		ReadTimeout:  5 * time.Second,
		WriteTimeout: 10 * time.Second,
	}
	var (
		listener net.Listener
		err      error
	)

	if listener, err = net.Listen("tcp", ":8080"); err != nil {
		log.Fatalf("listen port: %+v", err)
	}

	if err := server.ServeTLS(listener, "./public.crt", "./private.key"); err != nil {
		log.Fatalf("server run fail: %+v", err)
	}
}

private.key

-----BEGIN RSA PRIVATE KEY-----
MIIJKQIBAAKCAgEAzRrwUDx0Mbg1XK41AbtohyjtcWmU0f6ZXguciz4Dol7qfhRC
MTq2fQbPtMNe5xMQDl9h/ycP5Kd3/dI0LoUstEsurTGgDfeQ1XGvlkZnEGJ/UM8O
HX56LKxayXwZYnPpcVCLjwn1nFNKXci+/DO1FiEAh0OjN2DfFFu0NHpCFpumjA+x
6ir8g/VIxeDbt4un47WvPlg8/jyd++CY7TjFjzUklJbD2gyVGAIoiWpAcfMYYy+P
2MRRPixQhV33BLF2McwimI4TdsuOhsmUqrBtAALCD18TFmJW6VkVJ9M//c/XLGZ9
5GL80qrI5aKS/PSeK59hmA62rJBr7wl+HktOyNa44J7FhfO5Jn6/BUR1knPy2nWu
O/B0KitWmZtBz3N4HDWXhtk7jfJdVmWH78cfyO4C6FQHwRnGMNKeauenygrmoJAK
f3qWi5yMvy+qMeRRbYnsPadEapnutZO6+5Ml/msOZ40e6DLLkHEoZRVPWRzXvjV7
Y535qEMHbbTqapwYZQa01MOV5fZn2p1Cvl/pf2tcNuDtUPSzAaxrntLK0eWUd5t6
NrpKQrbpzIlGSBm32Ce59Vi0e78n3T2ozyUz6WVdRjaBg2/FrZdGg2RYq4nIi9GM
SHOaGIQwhlolpfgRH0v2QozVlrIcWxuEkeuh7p4Nkp42xA31kzTRwrO344kCAwEA
AQKCAgEAtvT8wNXsYB2NnCrZpb3itA5SIASqd9fAPx/keGDNJR291tGDah6Rgl19
EiXklgNvIyL6a3wQtUqdwpCrc4PgKMOX026c81iOnZdXpZkPfpIeN5s7YBveJ9Nm
+Kv2iNgUuLu8gc/Eg7nYcGgN1TLaqe6uZfpzsYZ799EFonocUcZufinR7qyBq8Q1
Mi4uUEAHdxwuQlK7tZ2k33WtdI5bzC7/fnwuIGdw54WlW06oRf0vF+rpSdd1ERy+
hvkWy9zxLeKGSccSnbleXeWa89eEo6nSKZwJjsIR/P013dyXDHVF35ldW0jhdZpa
slye+X3LSeZWTClz0eLSJNw24BcVIoEjMzVMoQeYO+zv19HwgxX6vjWI+jk2vDA8
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IysNFOAf4NGfl66u7osQmQzLXjFMtNSwxhFhDKCDUZfQDdgsxl2Lh7QLy+jX0FOe
BowY7o15hNkPY/9/zpoRtfam7U3FXMwucGODopbraXQo1W3ZzkZREMbgXTKdhu/m
gJE6MR4IGWPcg5j/DUC1vzf/674Jmt7VD100pp0iVNuUO2YjKhGQmxZl18a4n/Bh
TfHUA3A5aAr2ktIudT97k6fckKgWQjb0jt9E2vHpNAi1ezsErXECggEBAO6co+jy
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vuNVqz/I7cK9Fj6tsAWsKEULydkPoBNHpY1qrREoOT50Iu0J1LddKtYbEwSJU0D8
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PZi/ZfUQtwD09c0NWFNOHbYvFUvBzvY5H/2TYpRhqbZUmUeMtizYNN9YOiwUsVoM
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FkrGkEqRXGRhtACy2DG3F/qWEZYGd0hM36eYtcOYIVN6UFgApy7P51uecYzfi2Nn
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eY+yHYJNjtOCko22KI/ezHTyqAcRMCefWYE9tkFJG5+L4bi6GxvYVGcFh1aS7Hmu
QgyGaByEHbeL5UEPJAidtdThWNsKQYFvnSO88NRFP41JGPFfgiS+n55fIl2pe62J
3/DP5jQxVBh+bfgCLF4TdufBv5DWANNtHgg3CKmCzaMCggEAH5LanZh2fc2fIS6+
YUzStLUEUAjA47/oViWKRqfmJYCYKjRW+5GWob3GOFgNkBeEKneKnIXXXH2Zi3cq
/vnGV8Tj5dxB9+D3dKF8rRBt96iF/h80c+8qL/N9EkZhxLMQcSk6uv6ogHxWeUOX
x8k2FpqnId2YVKBr88p3nH6OW0vVmlCLQfyGfR06O0EIbGhV9rx9H3fQXpbJi95a
vXMBtlZHyRePe6V7vkN2hd4UB5vWO3l5pLHhAbZaAbXIrBY9QyO5REIuZGfvNd5g
WOARJnD9nwhXJiRUzRF4MVydvxAhm0DRFC9dmPoloQl69ZLXH74dOa0k2jHpfxW0
EARnwQKCAQEAtPOa83bP23opEMek0LIy83N0kqcCILHTrSyf0pV46meXfT3zgZ4v
H8zIPJrU9Wzepw2owHnotOeiMyt8rK75GLBISVWgJPqKAek07ucUtFWIgXRV6yzs
UyuB1+tVFboCAtLnP/joZsZoHlwakSS1TA1cFXytwhr2XjiTiFHGdTchZ2zMn04v
2PZSlX3ptQU9lB3G1qjntG1xKLoamW0I7hYVM9a2XBt0rJL7S9Hd6+HEJpCQJILv
/PNpPiq5MuydjcURUG4Kl+m0iqLgV23qaMBnZnVni9fFYnJQzDyGm5n5MQmE//5g
bRPqUjtXSLUw3juQ0AVrAHGGdLLsyJfriQKCAQAfY2FlbstRxkT3OrlBj9KP0voa
qNMUQLsklOtaXyCnoYCctm8vmU11i+oG93YM8CjL96n2WXfWqIvDMvvl09/U835u
El6Z25318fXUSb8Nu6twjI2VmvIcMjdgG8we1O9tBclwxhDO4sCnixunxv26ywrS
qCq0y+87No/IHJ3cRsOCp+nvSRGX/oI/lcjIc4d6GpaIUp5oVvpxVAa5JCUgVV5x
OZI3MZFRw1aZ8TyYUP3j7ZzhYC7WZtQJWQxXz3gdNd2c+MIfN+fnI40mZsnP+SEk
6bo2QwRLxiT6BPsP3nIoimlWVLWGkauADoOcDfSHqEjSH6roqtABQNBgFxIt
-----END RSA PRIVATE KEY-----

public.crt

-----BEGIN CERTIFICATE-----
MIIFeDCCA2ACCQCG/4bELPQNZjANBgkqhkiG9w0BAQsFADB+MRIwEAYDVQQIDAln
dWFuZ2RvbmcxETAPBgNVBAcMCHNoZW56aGVuMQ8wDQYDVQQKDAZzaG9wZWUxDDAK
BgNVBAsMA2lzYzESMBAGA1UEAwwJbG9jYWxob3N0MSIwIAYJKoZIhvcNAQkBFhNt
aWNoYWVsQG1pY2hhZWwuY29tMB4XDTIwMDYwNTEwMTAzOFoXDTI1MDYwNDEwMTAz
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A1UECgwGc2hvcGVlMQwwCgYDVQQLDANpc2MxEjAQBgNVBAMMCWxvY2FsaG9zdDEi
MCAGCSqGSIb3DQEJARYTbWljaGFlbEBtaWNoYWVsLmNvbTCCAiIwDQYJKoZIhvcN
AQEBBQADggIPADCCAgoCggIBAM0a8FA8dDG4NVyuNQG7aIco7XFplNH+mV4LnIs+
A6Je6n4UQjE6tn0Gz7TDXucTEA5fYf8nD+Snd/3SNC6FLLRLLq0xoA33kNVxr5ZG
ZxBif1DPDh1+eiysWsl8GWJz6XFQi48J9ZxTSl3IvvwztRYhAIdDozdg3xRbtDR6
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eznwuaqQ7mY9ewKXrJ7qJw+mJqaKgHF/uMpEcafqOHz179GfKblPCDy/Z2KGVqMT
vjRYovVkURCGXx9d
-----END CERTIFICATE-----