Ejemplo n.º 1
0
// newServerTesterInternal creates test context.  If frontendTLS is
// true, set up TLS frontend connection.  connectPort is the server
// side port where client connection is made.
func newServerTesterInternal(src_args []string, t *testing.T, handler http.Handler, frontendTLS bool, connectPort int, clientConfig *tls.Config) *serverTester {
	ts := httptest.NewUnstartedServer(handler)

	args := []string{}

	backendTLS := false
	dns := false
	externalDNS := false
	acceptProxyProtocol := false
	for _, k := range src_args {
		switch k {
		case "--http2-bridge":
			backendTLS = true
		case "--dns":
			dns = true
		case "--external-dns":
			dns = true
			externalDNS = true
		case "--accept-proxy-protocol":
			acceptProxyProtocol = true
		default:
			args = append(args, k)
		}
	}
	if backendTLS {
		nghttp2.ConfigureServer(ts.Config, &nghttp2.Server{})
		// According to httptest/server.go, we have to set
		// NextProtos separately for ts.TLS.  NextProtos set
		// in nghttp2.ConfigureServer is effectively ignored.
		ts.TLS = new(tls.Config)
		ts.TLS.NextProtos = append(ts.TLS.NextProtos, "h2")
		ts.StartTLS()
		args = append(args, "-k")
	} else {
		ts.Start()
	}
	scheme := "http"
	if frontendTLS {
		scheme = "https"
		args = append(args, testDir+"/server.key", testDir+"/server.crt")
	}

	backendURL, err := url.Parse(ts.URL)
	if err != nil {
		t.Fatalf("Error parsing URL from httptest.Server: %v", err)
	}

	// URL.Host looks like "127.0.0.1:8080", but we want
	// "127.0.0.1,8080"
	b := "-b"
	if !externalDNS {
		b += fmt.Sprintf("%v;", strings.Replace(backendURL.Host, ":", ",", -1))
	} else {
		sep := strings.LastIndex(backendURL.Host, ":")
		if sep == -1 {
			t.Fatalf("backendURL.Host %v does not contain separator ':'", backendURL.Host)
		}
		// We use awesome service xip.io.
		b += fmt.Sprintf("%v.xip.io,%v;", backendURL.Host[:sep], backendURL.Host[sep+1:])
	}

	if backendTLS {
		b += ";proto=h2;tls"
	}
	if dns {
		b += ";dns"
	}

	noTLS := ";no-tls"
	if frontendTLS {
		noTLS = ""
	}

	var proxyProto string
	if acceptProxyProtocol {
		proxyProto = ";proxyproto"
	}

	args = append(args, fmt.Sprintf("-f127.0.0.1,%v%v%v", serverPort, noTLS, proxyProto), b,
		"--errorlog-file="+logDir+"/log.txt", "-LINFO")

	authority := fmt.Sprintf("127.0.0.1:%v", connectPort)

	st := &serverTester{
		cmd:          exec.Command(serverBin, args...),
		t:            t,
		ts:           ts,
		url:          fmt.Sprintf("%v://%v", scheme, authority),
		frontendHost: fmt.Sprintf("127.0.0.1:%v", serverPort),
		backendHost:  backendURL.Host,
		nextStreamID: 1,
		authority:    authority,
		frCh:         make(chan http2.Frame),
		spdyFrCh:     make(chan spdy.Frame),
		errCh:        make(chan error),
	}

	if err := st.cmd.Start(); err != nil {
		st.t.Fatalf("Error starting %v: %v", serverBin, err)
	}

	retry := 0
	for {
		time.Sleep(50 * time.Millisecond)

		var conn net.Conn
		var err error
		if frontendTLS {
			var tlsConfig *tls.Config
			if clientConfig == nil {
				tlsConfig = new(tls.Config)
			} else {
				tlsConfig = clientConfig
			}
			tlsConfig.InsecureSkipVerify = true
			tlsConfig.NextProtos = []string{"h2", "spdy/3.1"}
			conn, err = tls.Dial("tcp", authority, tlsConfig)
		} else {
			conn, err = net.Dial("tcp", authority)
		}
		if err != nil {
			retry += 1
			if retry >= 100 {
				st.Close()
				st.t.Fatalf("Error server is not responding too long; server command-line arguments may be invalid")
			}
			continue
		}
		if frontendTLS {
			tlsConn := conn.(*tls.Conn)
			cs := tlsConn.ConnectionState()
			if !cs.NegotiatedProtocolIsMutual {
				st.Close()
				st.t.Fatalf("Error negotiated next protocol is not mutual")
			}
		}
		st.conn = conn
		break
	}

	st.fr = http2.NewFramer(st.conn, st.conn)
	spdyFr, err := spdy.NewFramer(st.conn, st.conn)
	if err != nil {
		st.Close()
		st.t.Fatalf("Error spdy.NewFramer: %v", err)
	}
	st.spdyFr = spdyFr
	st.enc = hpack.NewEncoder(&st.headerBlkBuf)
	st.dec = hpack.NewDecoder(4096, func(f hpack.HeaderField) {
		st.header.Add(f.Name, f.Value)
	})

	return st
}
Ejemplo n.º 2
0
// newServerTesterInternal creates test context.  If frontendTLS is
// true, set up TLS frontend connection.
func newServerTesterInternal(args []string, t *testing.T, handler http.Handler, frontendTLS bool, clientConfig *tls.Config) *serverTester {
	ts := httptest.NewUnstartedServer(handler)

	backendTLS := false
	for _, k := range args {
		switch k {
		case "--http2-bridge":
			backendTLS = true
		}
	}
	if backendTLS {
		nghttp2.ConfigureServer(ts.Config, &nghttp2.Server{})
		// According to httptest/server.go, we have to set
		// NextProtos separately for ts.TLS.  NextProtos set
		// in nghttp2.ConfigureServer is effectively ignored.
		ts.TLS = new(tls.Config)
		ts.TLS.NextProtos = append(ts.TLS.NextProtos, "h2-14")
		ts.StartTLS()
		args = append(args, "-k")
	} else {
		ts.Start()
	}
	scheme := "http"
	if frontendTLS {
		scheme = "https"
		args = append(args, testDir+"/server.key", testDir+"/server.crt")
	} else {
		args = append(args, "--frontend-no-tls")
	}

	backendURL, err := url.Parse(ts.URL)
	if err != nil {
		t.Fatalf("Error parsing URL from httptest.Server: %v", err)
	}

	// URL.Host looks like "127.0.0.1:8080", but we want
	// "127.0.0.1,8080"
	b := "-b" + strings.Replace(backendURL.Host, ":", ",", -1)
	args = append(args, fmt.Sprintf("-f127.0.0.1,%v", serverPort), b,
		"--errorlog-file="+testDir+"/log.txt", "-LINFO")

	authority := fmt.Sprintf("127.0.0.1:%v", serverPort)

	st := &serverTester{
		cmd:          exec.Command(serverBin, args...),
		t:            t,
		ts:           ts,
		url:          fmt.Sprintf("%v://%v", scheme, authority),
		frontendHost: fmt.Sprintf("127.0.0.1:%v", serverPort),
		backendHost:  backendURL.Host,
		nextStreamID: 1,
		authority:    authority,
		frCh:         make(chan http2.Frame),
		spdyFrCh:     make(chan spdy.Frame),
		errCh:        make(chan error),
	}

	if err := st.cmd.Start(); err != nil {
		st.t.Fatalf("Error starting %v: %v", serverBin, err)
	}

	retry := 0
	for {
		var conn net.Conn
		var err error
		if frontendTLS {
			var tlsConfig *tls.Config
			if clientConfig == nil {
				tlsConfig = new(tls.Config)
			} else {
				tlsConfig = clientConfig
			}
			tlsConfig.InsecureSkipVerify = true
			tlsConfig.NextProtos = []string{"h2-14", "spdy/3.1"}
			conn, err = tls.Dial("tcp", authority, tlsConfig)
		} else {
			conn, err = net.Dial("tcp", authority)
		}
		if err != nil {
			retry += 1
			if retry >= 100 {
				st.Close()
				st.t.Fatalf("Error server is not responding too long; server command-line arguments may be invalid")
			}
			time.Sleep(150 * time.Millisecond)
			continue
		}
		if frontendTLS {
			tlsConn := conn.(*tls.Conn)
			cs := tlsConn.ConnectionState()
			if !cs.NegotiatedProtocolIsMutual {
				st.Close()
				st.t.Fatalf("Error negotiated next protocol is not mutual")
			}
		}
		st.conn = conn
		break
	}

	st.fr = http2.NewFramer(st.conn, st.conn)
	spdyFr, err := spdy.NewFramer(st.conn, st.conn)
	if err != nil {
		st.Close()
		st.t.Fatalf("Error spdy.NewFramer: %v", err)
	}
	st.spdyFr = spdyFr
	st.enc = hpack.NewEncoder(&st.headerBlkBuf)
	st.dec = hpack.NewDecoder(4096, func(f hpack.HeaderField) {
		st.header.Add(f.Name, f.Value)
	})

	return st
}