Style: format code by gofumpt (XTLS#761)

app/dispatcher/default.go

@@ -25,9 +25,7 @@ import (
 	"github.com/xtls/xray-core/transport/pipe"
 )
 
-var (
-	errSniffingTimeout = newError("timeout on sniffing")
-)
+var errSniffingTimeout = newError("timeout on sniffing")
 
 type cachedReader struct {
 	sync.Mutex

app/dns/dns_test.go

@@ -21,8 +21,7 @@ import (
 	"github.com/xtls/xray-core/testing/servers/udp"
 )
 
-type staticHandler struct {
-}
+type staticHandler struct{}
 
 func (*staticHandler) ServeDNS(w dns.ResponseWriter, r *dns.Msg) {
 	ans := new(dns.Msg)

app/dns/dnscommon.go

@@ -54,9 +54,7 @@ func isNewer(baseRec *IPRecord, newRec *IPRecord) bool {
 	return baseRec.Expire.Before(newRec.Expire)
 }
 
-var (
-	errRecordNotFound = errors.New("record not found")
-)
+var errRecordNotFound = errors.New("record not found")
 
 type dnsRequest struct {
 	reqType dnsmessage.Type

app/dns/dnscommon_test.go

@@ -50,20 +50,28 @@ func Test_parseResponse(t *testing.T) {
 		want    *IPRecord
 		wantErr bool
 	}{
-		{"empty",
+		{
+			"empty",
 			&IPRecord{0, []net.Address(nil), time.Time{}, dnsmessage.RCodeSuccess},
 			false,
 		},
-		{"error",
+		{
+			"error",
 			nil,
 			true,
 		},
-		{"a record",
-			&IPRecord{1, []net.Address{net.ParseAddress("8.8.8.8"), net.ParseAddress("8.8.4.4")},
-				time.Time{}, dnsmessage.RCodeSuccess},
+		{
+			"a record",
+			&IPRecord{
+				1,
+				[]net.Address{net.ParseAddress("8.8.8.8"), net.ParseAddress("8.8.4.4")},
+				time.Time{},
+				dnsmessage.RCodeSuccess,
+			},
 			false,
 		},
-		{"aaaa record",
+		{
+			"aaaa record",
 			&IPRecord{2, []net.Address{net.ParseAddress("2001::123:8888"), net.ParseAddress("2001::123:8844")}, time.Time{}, dnsmessage.RCodeSuccess},
 			false,
 		},

app/dns/fakedns/fake.go

@@ -79,13 +79,13 @@ func (fkdns *Holder) GetFakeIPForDomain(domain string) []net.Address {
 	if v, ok := fkdns.domainToIP.Get(domain); ok {
 		return []net.Address{v.(net.Address)}
 	}
-	var currentTimeMillis = uint64(time.Now().UnixNano() / 1e6)
+	currentTimeMillis := uint64(time.Now().UnixNano() / 1e6)
 	ones, bits := fkdns.ipRange.Mask.Size()
 	rooms := bits - ones
 	if rooms < 64 {
 		currentTimeMillis %= (uint64(1) << rooms)
 	}
-	var bigIntIP = big.NewInt(0).SetBytes(fkdns.ipRange.IP)
+	bigIntIP := big.NewInt(0).SetBytes(fkdns.ipRange.IP)
 	bigIntIP = bigIntIP.Add(bigIntIP, new(big.Int).SetUint64(currentTimeMillis))
 	var ip net.Address
 	for {

app/dns/fakedns/fakedns_test.go

@@ -11,9 +11,7 @@ import (
 	"github.com/xtls/xray-core/features/dns"
 )
 
-var (
-	ipPrefix = "198.18."
-)
+var ipPrefix = "198.18."
 
 func TestNewFakeDnsHolder(_ *testing.T) {
 	_, err := NewFakeDNSHolder()

app/dns/nameserver_local.go

@@ -2,9 +2,10 @@ package dns
 
 import (
 	"context"
-	"github.com/xtls/xray-core/features/dns"
 	"strings"
 
+	"github.com/xtls/xray-core/features/dns"
+
 	"github.com/xtls/xray-core/common/net"
 	"github.com/xtls/xray-core/features/dns/localdns"
 )

app/dns/nameserver_local_test.go

@@ -2,10 +2,11 @@ package dns_test
 
 import (
 	"context"
-	"github.com/xtls/xray-core/common/net"
 	"testing"
 	"time"
 
+	"github.com/xtls/xray-core/common/net"
+
 	. "github.com/xtls/xray-core/app/dns"
 	"github.com/xtls/xray-core/common"
 	"github.com/xtls/xray-core/features/dns"

app/dns/nameserver_quic_test.go

@@ -2,11 +2,12 @@ package dns_test
 
 import (
 	"context"
-	"github.com/xtls/xray-core/features/dns"
 	"net/url"
 	"testing"
 	"time"
 
+	"github.com/xtls/xray-core/features/dns"
+
 	"github.com/google/go-cmp/cmp"
 
 	. "github.com/xtls/xray-core/app/dns"

app/log/log_creator.go

@@ -11,9 +11,7 @@ type HandlerCreatorOptions struct {
 
 type HandlerCreator func(LogType, HandlerCreatorOptions) (log.Handler, error)
 
-var (
-	handlerCreatorMap = make(map[LogType]HandlerCreator)
-)
+var handlerCreatorMap = make(map[LogType]HandlerCreator)
 
 func RegisterHandlerCreator(logType LogType, f HandlerCreator) error {
 	if f == nil {

app/proxyman/inbound/worker.go

@@ -482,6 +482,7 @@ func (w *dsWorker) Proxy() proxy.Inbound {
 func (w *dsWorker) Port() net.Port {
 	return net.Port(0)
 }
+
 func (w *dsWorker) Start() error {
 	ctx := context.Background()
 	hub, err := internet.ListenUnix(ctx, w.address, w.stream, func(conn stat.Connection) {

app/router/balancing.go

@@ -9,8 +9,7 @@ type BalancingStrategy interface {
 	PickOutbound([]string) string
 }
 
-type RandomStrategy struct {
-}
+type RandomStrategy struct{}
 
 func (s *RandomStrategy) PickOutbound(tags []string) string {
 	n := len(tags)

app/router/condition_geoip.go

@@ -186,6 +186,4 @@ func (c *GeoIPMatcherContainer) Add(geoip *GeoIP) (*GeoIPMatcher, error) {
 	return m, nil
 }
 
-var (
-	globalGeoIPContainer GeoIPMatcherContainer
-)
+var globalGeoIPContainer GeoIPMatcherContainer

app/router/condition_geoip_test.go

@@ -89,7 +89,8 @@ func TestGeoIPMatcher(t *testing.T) {
 		{
 			Input:  "192.0.1.0",
 			Output: false,
-		}, {
+		},
+		{
 			Input:  "0.1.0.0",
 			Output: true,
 		},

app/router/config.go

@@ -84,7 +84,6 @@ func (rr *RoutingRule) BuildCondition() (Condition, error) {
 			newError("MphDomainMatcher is enabled for ", len(rr.Domain), " domain rule(s)").AtDebug().WriteToLog()
 			conds.Add(matcher)
 		}
-
 	}
 
 	if len(rr.UserEmail) > 0 {

app/router/router.go

@@ -80,7 +80,6 @@ func (r *Router) PickRoute(ctx routing.Context) (routing.Route, error) {
 }
 
 func (r *Router) pickRouteInternal(ctx routing.Context) (*Rule, routing.Context, error) {
-
 	// SkipDNSResolve is set from DNS module.
 	// the DOH remote server maybe a domain name,
 	// this prevents cycle resolving dead loop

app/router/router_test.go

@@ -2,9 +2,10 @@ package router_test
 
 import (
 	"context"
-	"github.com/xtls/xray-core/features/dns"
 	"testing"
 
+	"github.com/xtls/xray-core/features/dns"
+
 	"github.com/golang/mock/gomock"
 
 	. "github.com/xtls/xray-core/app/router"

common/buf/buffer_test.go

@@ -78,6 +78,7 @@ func TestBufferByte(t *testing.T) {
 		buffer.Release()
 	}
 }
+
 func TestBufferResize(t *testing.T) {
 	buffer := New()
 	defer buffer.Release()

common/buf/io.go

@@ -121,7 +121,7 @@ func NewWriter(writer io.Writer) Writer {
 		return mw
 	}
 
-	var iConn = writer
+	iConn := writer
 	if statConn, ok := writer.(*stat.CounterConnection); ok {
 		iConn = statConn.Connection
 	}

common/common.go

@@ -14,10 +14,8 @@ import (
 
 //go:generate go run github.com/xtls/xray-core/common/errors/errorgen
 
-var (
-	// ErrNoClue is for the situation that existing information is not enough to make a decision. For example, Router may return this error when there is no suitable route.
-	ErrNoClue = errors.New("not enough information for making a decision")
-)
+// ErrNoClue is for the situation that existing information is not enough to make a decision. For example, Router may return this error when there is no suitable route.
+var ErrNoClue = errors.New("not enough information for making a decision")
 
 // Must panics if err is not nil.
 func Must(err error) {

common/crypto/auth.go

@@ -290,7 +290,6 @@ func (w *AuthenticationWriter) writeStream(mb buf.MultiBuffer) error {
 		mb = nb
 
 		eb, err := w.seal(rawBytes[:nBytes])
-
 		if err != nil {
 			buf.ReleaseMulti(mb2Write)
 			return err

common/crypto/chacha20_test.go

@@ -18,7 +18,7 @@ func mustDecodeHex(s string) []byte {
 }
 
 func TestChaCha20Stream(t *testing.T) {
-	var cases = []struct {
+	cases := []struct {
 		key    []byte
 		iv     []byte
 		output []byte

common/crypto/internal/chacha_core.generated.go

@@ -3,7 +3,7 @@ package internal
 import "encoding/binary"
 
 func ChaCha20Block(s *[16]uint32, out []byte, rounds int) {
-	var x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15 = s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11], s[12], s[13], s[14], s[15]
+	x0, x1, x2, x3, x4, x5, x6, x7, x8, x9, x10, x11, x12, x13, x14, x15 := s[0], s[1], s[2], s[3], s[4], s[5], s[6], s[7], s[8], s[9], s[10], s[11], s[12], s[13], s[14], s[15]
 	for i := 0; i < rounds; i += 2 {
 		var x uint32
 

common/crypto/internal/chacha_core_gen.go

@@ -56,7 +56,7 @@ func ChaCha20Block(s *[16]uint32, out []byte, rounds int) {
 }
 
 func main() {
-	file, err := os.OpenFile("chacha_core.generated.go", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0644)
+	file, err := os.OpenFile("chacha_core.generated.go", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0o644)
 	if err != nil {
 		log.Fatalf("Failed to generate chacha_core.go: %v", err)
 	}

common/crypto/io.go

@@ -27,9 +27,7 @@ func (r *CryptionReader) Read(data []byte) (int, error) {
 	return nBytes, err
 }
 
-var (
-	_ buf.Writer = (*CryptionWriter)(nil)
-)
+var _ buf.Writer = (*CryptionWriter)(nil)
 
 type CryptionWriter struct {
 	stream    cipher.Stream

common/errors/errorgen/main.go

@@ -17,7 +17,7 @@ func main() {
 		pkg = "core"
 	}
 
-	file, err := os.OpenFile("errors.generated.go", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0644)
+	file, err := os.OpenFile("errors.generated.go", os.O_WRONLY|os.O_TRUNC|os.O_CREATE, 0o644)
 	if err != nil {
 		fmt.Printf("Failed to generate errors.generated.go: %v", err)
 		os.Exit(1)

common/log/log.go

@@ -32,9 +32,7 @@ func Record(msg Message) {
 	logHandler.Handle(msg)
 }
 
-var (
-	logHandler syncHandler
-)
+var logHandler syncHandler
 
 // RegisterHandler register a new handler as current log handler. Previous registered handler will be discarded.
 func RegisterHandler(handler Handler) {

common/log/logger.go

@@ -130,13 +130,13 @@ func CreateStderrLogWriter() WriterCreator {
 
 // CreateFileLogWriter returns a LogWriterCreator that creates LogWriter for the given file.
 func CreateFileLogWriter(path string) (WriterCreator, error) {
-	file, err := os.OpenFile(path, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
+	file, err := os.OpenFile(path, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0o600)
 	if err != nil {
 		return nil, err
 	}
 	file.Close()
 	return func() Writer {
-		file, err := os.OpenFile(path, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0600)
+		file, err := os.OpenFile(path, os.O_APPEND|os.O_WRONLY|os.O_CREATE, 0o600)
 		if err != nil {
 			return nil
 		}

common/mux/client.go

@@ -142,7 +142,6 @@ func (f *DialingWorkerFactory) Create() (*ClientWorker, error) {
 		Reader: downlinkReader,
 		Writer: upLinkWriter,
 	}, f.Strategy)
-
 	if err != nil {
 		return nil, err
 	}
@@ -175,8 +174,10 @@ type ClientWorker struct {
 	strategy       ClientStrategy
 }
 
-var muxCoolAddress = net.DomainAddress("v1.mux.cool")
-var muxCoolPort = net.Port(9527)
+var (
+	muxCoolAddress = net.DomainAddress("v1.mux.cool")
+	muxCoolPort    = net.Port(9527)
+)
 
 // NewClientWorker creates a new mux.Client.
 func NewClientWorker(stream transport.Link, s ClientStrategy) (*ClientWorker, error) {