main.go

package main

import (
	"fmt"
	"gitee.com/Trisia/gotlcp/tlcp"
	"github.com/emmansun/gmsm/smx509"
)

// 客户端握手重用
func main() {
	loadCert()
	// 构造根证书列表
	pool := smx509.NewCertPool()
	pool.AddCert(rootCert)
	config := &tlcp.Config{
		RootCAs:      pool,
		SessionCache: tlcp.NewLRUSessionCache(32),
	}

	// 进行完整握手，并缓存会话
	conn, err := tlcp.Dial("tcp", "127.0.0.1:8448", config)
	if err != nil {
		panic(err)
	}
	err = conn.Handshake()
	if err != nil {
		panic(err)
	}
	_ = conn.Close()

	// 通过同一个配置对象创建新的TLCP 触发重用握手
	conn, err = tlcp.Dial("tcp", "127.0.0.1:8448", config)
	if err != nil {
		panic(err)
	}
	defer conn.Close()

	_, err = conn.Write([]byte("Hello Go TLCP!"))
	if err != nil {
		panic(err)
	}
	buff := make([]byte, 512)
	n, err := conn.Read(buff)
	if err != nil {
		panic(err)
	}
	fmt.Printf("<< %s\n", buff[:n])
}

const ROOT_CERT_PEM = `-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----
`

var rootCert *smx509.Certificate

func loadCert() {
	var err error
	rootCert, err = smx509.ParseCertificatePEM([]byte(ROOT_CERT_PEM))
	if err != nil {
		panic(err)
	}
}