feat: embed terasu inside

cmd/cloudflared/tunnel/quick_tunnel.go

@@ -1,13 +1,16 @@
 package tunnel
 
 import (
+	"context"
 	"encoding/json"
 	"fmt"
 	"io"
+	"net"
 	"net/http"
 	"strings"
 	"time"
 
+	"github.com/fumiama/terasu"
 	"github.com/google/uuid"
 	"github.com/pkg/errors"
 
@@ -28,6 +31,17 @@ func RunQuickTunnel(sc *subcommandContext) error {
 
 	client := http.Client{
 		Transport: &http.Transport{
+			DialContext: func(ctx context.Context, network, addr string) (net.Conn, error) {
+				dialer := &net.Dialer{
+					Timeout:   30 * time.Second,
+					KeepAlive: 30 * time.Second,
+				}
+				conn, err := dialer.DialContext(ctx, network, addr)
+				if err != nil {
+					return nil, err
+				}
+				return terasu.NewConn(conn), nil
+			},
 			TLSHandshakeTimeout:   httpTimeout,
 			ResponseHeaderTimeout: httpTimeout,
 		},