添加 github.com/pion/dtls 代码

dtls-2.0.9/examples/dial/selfsign/main.go

@@ -0,0 +1,47 @@
+package main
+
+import (
+	"context"
+	"crypto/tls"
+	"fmt"
+	"net"
+	"time"
+
+	"github.com/pion/dtls/v2"
+	"github.com/pion/dtls/v2/examples/util"
+	"github.com/pion/dtls/v2/pkg/crypto/selfsign"
+)
+
+func main() {
+	// Prepare the IP to connect to
+	addr := &net.UDPAddr{IP: net.ParseIP("127.0.0.1"), Port: 4444}
+
+	// Generate a certificate and private key to secure the connection
+	certificate, genErr := selfsign.GenerateSelfSigned()
+	util.Check(genErr)
+
+	//
+	// Everything below is the pion-DTLS API! Thanks for using it ❤️.
+	//
+
+	// Prepare the configuration of the DTLS connection
+	config := &dtls.Config{
+		Certificates:         []tls.Certificate{certificate},
+		InsecureSkipVerify:   true,
+		ExtendedMasterSecret: dtls.RequireExtendedMasterSecret,
+	}
+
+	// Connect to a DTLS server
+	ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
+	defer cancel()
+	dtlsConn, err := dtls.DialWithContext(ctx, "udp", addr, config)
+	util.Check(err)
+	defer func() {
+		util.Check(dtlsConn.Close())
+	}()
+
+	fmt.Println("Connected; type 'exit' to shutdown gracefully")
+
+	// Simulate a chat session
+	util.Chat(dtlsConn)
+}