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TUN-1734: Pin packages at exact versions

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This commit is contained in:
Areg Harutyunyan
2019-04-17 12:15:55 -05:00
parent 2e2fa29637
commit bab7583a97
823 changed files with 108625 additions and 22044 deletions
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28
vendor/golang.org/x/net/http2/client_conn_pool.go generated vendored
View File

@@ -52,9 +52,31 @@ const (
noDialOnMiss = false
)
// shouldTraceGetConn reports whether getClientConn should call any
// ClientTrace.GetConn hook associated with the http.Request.
//
// This complexity is needed to avoid double calls of the GetConn hook
// during the back-and-forth between net/http and x/net/http2 (when the
// net/http.Transport is upgraded to also speak http2), as well as support
// the case where x/net/http2 is being used directly.
func (p *clientConnPool) shouldTraceGetConn(st clientConnIdleState) bool {
// If our Transport wasn't made via ConfigureTransport, always
// trace the GetConn hook if provided, because that means the
// http2 package is being used directly and it's the one
// dialing, as opposed to net/http.
if _, ok := p.t.ConnPool.(noDialClientConnPool); !ok {
return true
}
// Otherwise, only use the GetConn hook if this connection has
// been used previously for other requests. For fresh
// connections, the net/http package does the dialing.
return !st.freshConn
}
func (p *clientConnPool) getClientConn(req *http.Request, addr string, dialOnMiss bool) (*ClientConn, error) {
if isConnectionCloseRequest(req) && dialOnMiss {
// It gets its own connection.
traceGetConn(req, addr)
const singleUse = true
cc, err := p.t.dialClientConn(addr, singleUse)
if err != nil {
@@ -64,7 +86,10 @@ func (p *clientConnPool) getClientConn(req *http.Request, addr string, dialOnMis
}
p.mu.Lock()
for _, cc := range p.conns[addr] {
if cc.CanTakeNewRequest() {
if st := cc.idleState(); st.canTakeNewRequest {
if p.shouldTraceGetConn(st) {
traceGetConn(req, addr)
}
p.mu.Unlock()
return cc, nil
}
@@ -73,6 +98,7 @@ func (p *clientConnPool) getClientConn(req *http.Request, addr string, dialOnMis
p.mu.Unlock()
return nil, ErrNoCachedConn
}
traceGetConn(req, addr)
call := p.getStartDialLocked(addr)
p.mu.Unlock()
<-call.done

80
vendor/golang.org/x/net/http2/configure_transport.go generated vendored
View File

@@ -1,80 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.6
package http2
import (
"crypto/tls"
"fmt"
"net/http"
)
func configureTransport(t1 *http.Transport) (*Transport, error) {
connPool := new(clientConnPool)
t2 := &Transport{
ConnPool: noDialClientConnPool{connPool},
t1: t1,
}
connPool.t = t2
if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
return nil, err
}
if t1.TLSClientConfig == nil {
t1.TLSClientConfig = new(tls.Config)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
}
upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
addr := authorityAddr("https", authority)
if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
go c.Close()
return erringRoundTripper{err}
} else if !used {
// Turns out we don't need this c.
// For example, two goroutines made requests to the same host
// at the same time, both kicking off TCP dials. (since protocol
// was unknown)
go c.Close()
}
return t2
}
if m := t1.TLSNextProto; len(m) == 0 {
t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
"h2": upgradeFn,
}
} else {
m["h2"] = upgradeFn
}
return t2, nil
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt http.RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
t.RegisterProtocol("https", rt)
return nil
}
// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
// if there's already has a cached connection to the host.
type noDialH2RoundTripper struct{ t *Transport }
func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
res, err := rt.t.RoundTrip(req)
if isNoCachedConnError(err) {
return nil, http.ErrSkipAltProtocol
}
return res, err
}

67
vendor/golang.org/x/net/http2/frame.go generated vendored
View File

@@ -643,7 +643,7 @@ func (f *Framer) WriteData(streamID uint32, endStream bool, data []byte) error {
return f.WriteDataPadded(streamID, endStream, data, nil)
}
// WriteData writes a DATA frame with optional padding.
// WriteDataPadded writes a DATA frame with optional padding.
//
// If pad is nil, the padding bit is not sent.
// The length of pad must not exceed 255 bytes.
@@ -733,32 +733,67 @@ func (f *SettingsFrame) IsAck() bool {
return f.FrameHeader.Flags.Has(FlagSettingsAck)
}
func (f *SettingsFrame) Value(s SettingID) (v uint32, ok bool) {
func (f *SettingsFrame) Value(id SettingID) (v uint32, ok bool) {
f.checkValid()
buf := f.p
for len(buf) > 0 {
settingID := SettingID(binary.BigEndian.Uint16(buf[:2]))
if settingID == s {
return binary.BigEndian.Uint32(buf[2:6]), true
for i := 0; i < f.NumSettings(); i++ {
if s := f.Setting(i); s.ID == id {
return s.Val, true
}
buf = buf[6:]
}
return 0, false
}
// Setting returns the setting from the frame at the given 0-based index.
// The index must be >= 0 and less than f.NumSettings().
func (f *SettingsFrame) Setting(i int) Setting {
buf := f.p
return Setting{
ID: SettingID(binary.BigEndian.Uint16(buf[i*6 : i*6+2])),
Val: binary.BigEndian.Uint32(buf[i*6+2 : i*6+6]),
}
}
func (f *SettingsFrame) NumSettings() int { return len(f.p) / 6 }
// HasDuplicates reports whether f contains any duplicate setting IDs.
func (f *SettingsFrame) HasDuplicates() bool {
num := f.NumSettings()
if num == 0 {
return false
}
// If it's small enough (the common case), just do the n^2
// thing and avoid a map allocation.
if num < 10 {
for i := 0; i < num; i++ {
idi := f.Setting(i).ID
for j := i + 1; j < num; j++ {
idj := f.Setting(j).ID
if idi == idj {
return true
}
}
}
return false
}
seen := map[SettingID]bool{}
for i := 0; i < num; i++ {
id := f.Setting(i).ID
if seen[id] {
return true
}
seen[id] = true
}
return false
}
// ForeachSetting runs fn for each setting.
// It stops and returns the first error.
func (f *SettingsFrame) ForeachSetting(fn func(Setting) error) error {
f.checkValid()
buf := f.p
for len(buf) > 0 {
if err := fn(Setting{
SettingID(binary.BigEndian.Uint16(buf[:2])),
binary.BigEndian.Uint32(buf[2:6]),
}); err != nil {
for i := 0; i < f.NumSettings(); i++ {
if err := fn(f.Setting(i)); err != nil {
return err
}
buf = buf[6:]
}
return nil
}
@@ -1442,7 +1477,7 @@ func (fr *Framer) maxHeaderStringLen() int {
}
// readMetaFrame returns 0 or more CONTINUATION frames from fr and
// merge them into into the provided hf and returns a MetaHeadersFrame
// merge them into the provided hf and returns a MetaHeadersFrame
// with the decoded hpack values.
func (fr *Framer) readMetaFrame(hf *HeadersFrame) (*MetaHeadersFrame, error) {
if fr.AllowIllegalReads {

29
vendor/golang.org/x/net/http2/go111.go generated vendored Normal file
View File

@@ -0,0 +1,29 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.11
package http2
import (
"net/http/httptrace"
"net/textproto"
)
func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool {
return trace != nil && trace.WroteHeaderField != nil
}
func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {
if trace != nil && trace.WroteHeaderField != nil {
trace.WroteHeaderField(k, []string{v})
}
}
func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
if trace != nil {
return trace.Got1xxResponse
}
return nil
}

16
vendor/golang.org/x/net/http2/go16.go generated vendored
View File

@@ -1,16 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.6
package http2
import (
"net/http"
"time"
)
func transportExpectContinueTimeout(t1 *http.Transport) time.Duration {
return t1.ExpectContinueTimeout
}

106
vendor/golang.org/x/net/http2/go17.go generated vendored
View File

@@ -1,106 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7
package http2
import (
"context"
"net"
"net/http"
"net/http/httptrace"
"time"
)
type contextContext interface {
context.Context
}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx contextContext, cancel func()) {
ctx, cancel = context.WithCancel(context.Background())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
func contextWithCancel(ctx contextContext) (_ contextContext, cancel func()) {
return context.WithCancel(ctx)
}
func requestWithContext(req *http.Request, ctx contextContext) *http.Request {
return req.WithContext(ctx)
}
type clientTrace httptrace.ClientTrace
func reqContext(r *http.Request) context.Context { return r.Context() }
func (t *Transport) idleConnTimeout() time.Duration {
if t.t1 != nil {
return t.t1.IdleConnTimeout
}
return 0
}
func setResponseUncompressed(res *http.Response) { res.Uncompressed = true }
func traceGotConn(req *http.Request, cc *ClientConn) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GotConn == nil {
return
}
ci := httptrace.GotConnInfo{Conn: cc.tconn}
cc.mu.Lock()
ci.Reused = cc.nextStreamID > 1
ci.WasIdle = len(cc.streams) == 0 && ci.Reused
if ci.WasIdle && !cc.lastActive.IsZero() {
ci.IdleTime = time.Now().Sub(cc.lastActive)
}
cc.mu.Unlock()
trace.GotConn(ci)
}
func traceWroteHeaders(trace *clientTrace) {
if trace != nil && trace.WroteHeaders != nil {
trace.WroteHeaders()
}
}
func traceGot100Continue(trace *clientTrace) {
if trace != nil && trace.Got100Continue != nil {
trace.Got100Continue()
}
}
func traceWait100Continue(trace *clientTrace) {
if trace != nil && trace.Wait100Continue != nil {
trace.Wait100Continue()
}
}
func traceWroteRequest(trace *clientTrace, err error) {
if trace != nil && trace.WroteRequest != nil {
trace.WroteRequest(httptrace.WroteRequestInfo{Err: err})
}
}
func traceFirstResponseByte(trace *clientTrace) {
if trace != nil && trace.GotFirstResponseByte != nil {
trace.GotFirstResponseByte()
}
}
func requestTrace(req *http.Request) *clientTrace {
trace := httptrace.ContextClientTrace(req.Context())
return (*clientTrace)(trace)
}
// Ping sends a PING frame to the server and waits for the ack.
func (cc *ClientConn) Ping(ctx context.Context) error {
return cc.ping(ctx)
}

36
vendor/golang.org/x/net/http2/go17_not18.go generated vendored
View File

@@ -1,36 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.7,!go1.8
package http2
import "crypto/tls"
// temporary copy of Go 1.7's private tls.Config.clone:
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
DynamicRecordSizingDisabled: c.DynamicRecordSizingDisabled,
Renegotiation: c.Renegotiation,
}
}

56
vendor/golang.org/x/net/http2/go18.go generated vendored
View File

@@ -1,56 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.8
package http2
import (
"crypto/tls"
"io"
"net/http"
)
func cloneTLSConfig(c *tls.Config) *tls.Config {
c2 := c.Clone()
c2.GetClientCertificate = c.GetClientCertificate // golang.org/issue/19264
return c2
}
var _ http.Pusher = (*responseWriter)(nil)
// Push implements http.Pusher.
func (w *responseWriter) Push(target string, opts *http.PushOptions) error {
internalOpts := pushOptions{}
if opts != nil {
internalOpts.Method = opts.Method
internalOpts.Header = opts.Header
}
return w.push(target, internalOpts)
}
func configureServer18(h1 *http.Server, h2 *Server) error {
if h2.IdleTimeout == 0 {
if h1.IdleTimeout != 0 {
h2.IdleTimeout = h1.IdleTimeout
} else {
h2.IdleTimeout = h1.ReadTimeout
}
}
return nil
}
func shouldLogPanic(panicValue interface{}) bool {
return panicValue != nil && panicValue != http.ErrAbortHandler
}
func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
return req.GetBody
}
func reqBodyIsNoBody(body io.ReadCloser) bool {
return body == http.NoBody
}
func go18httpNoBody() io.ReadCloser { return http.NoBody } // for tests only

16
vendor/golang.org/x/net/http2/go19.go generated vendored
View File

@@ -1,16 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build go1.9
package http2
import (
"net/http"
)
func configureServer19(s *http.Server, conf *Server) error {
s.RegisterOnShutdown(conf.state.startGracefulShutdown)
return nil
}

20
vendor/golang.org/x/net/http2/headermap.go generated vendored
View File

@@ -7,15 +7,21 @@ package http2
import (
"net/http"
"strings"
"sync"
)
var (
commonLowerHeader = map[string]string{} // Go-Canonical-Case -> lower-case
commonCanonHeader = map[string]string{} // lower-case -> Go-Canonical-Case
commonBuildOnce sync.Once
commonLowerHeader map[string]string // Go-Canonical-Case -> lower-case
commonCanonHeader map[string]string // lower-case -> Go-Canonical-Case
)
func init() {
for _, v := range []string{
func buildCommonHeaderMapsOnce() {
commonBuildOnce.Do(buildCommonHeaderMaps)
}
func buildCommonHeaderMaps() {
common := []string{
"accept",
"accept-charset",
"accept-encoding",
@@ -63,7 +69,10 @@ func init() {
"vary",
"via",
"www-authenticate",
} {
}
commonLowerHeader = make(map[string]string, len(common))
commonCanonHeader = make(map[string]string, len(common))
for _, v := range common {
chk := http.CanonicalHeaderKey(v)
commonLowerHeader[chk] = v
commonCanonHeader[v] = chk
@@ -71,6 +80,7 @@ func init() {
}
func lowerHeader(v string) string {
buildCommonHeaderMapsOnce()
if s, ok := commonLowerHeader[v]; ok {
return s
}

10
vendor/golang.org/x/net/http2/hpack/hpack.go generated vendored
View File

@@ -92,6 +92,8 @@ type Decoder struct {
// saveBuf is previous data passed to Write which we weren't able
// to fully parse before. Unlike buf, we own this data.
saveBuf bytes.Buffer
firstField bool // processing the first field of the header block
}
// NewDecoder returns a new decoder with the provided maximum dynamic
@@ -101,6 +103,7 @@ func NewDecoder(maxDynamicTableSize uint32, emitFunc func(f HeaderField)) *Decod
d := &Decoder{
emit: emitFunc,
emitEnabled: true,
firstField: true,
}
d.dynTab.table.init()
d.dynTab.allowedMaxSize = maxDynamicTableSize
@@ -226,11 +229,15 @@ func (d *Decoder) DecodeFull(p []byte) ([]HeaderField, error) {
return hf, nil
}
// Close declares that the decoding is complete and resets the Decoder
// to be reused again for a new header block. If there is any remaining
// data in the decoder's buffer, Close returns an error.
func (d *Decoder) Close() error {
if d.saveBuf.Len() > 0 {
d.saveBuf.Reset()
return DecodingError{errors.New("truncated headers")}
}
d.firstField = true
return nil
}
@@ -266,6 +273,7 @@ func (d *Decoder) Write(p []byte) (n int, err error) {
d.saveBuf.Write(d.buf)
return len(p), nil
}
d.firstField = false
if err != nil {
break
}
@@ -391,7 +399,7 @@ func (d *Decoder) callEmit(hf HeaderField) error {
func (d *Decoder) parseDynamicTableSizeUpdate() error {
// RFC 7541, sec 4.2: This dynamic table size update MUST occur at the
// beginning of the first header block following the change to the dynamic table size.
if d.dynTab.size > 0 {
if !d.firstField && d.dynTab.size > 0 {
return DecodingError{errors.New("dynamic table size update MUST occur at the beginning of a header block")}
}

20
vendor/golang.org/x/net/http2/hpack/huffman.go generated vendored
View File

@@ -47,6 +47,7 @@ var ErrInvalidHuffman = errors.New("hpack: invalid Huffman-encoded data")
// If maxLen is greater than 0, attempts to write more to buf than
// maxLen bytes will return ErrStringLength.
func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
rootHuffmanNode := getRootHuffmanNode()
n := rootHuffmanNode
// cur is the bit buffer that has not been fed into n.
// cbits is the number of low order bits in cur that are valid.
@@ -106,7 +107,7 @@ func huffmanDecode(buf *bytes.Buffer, maxLen int, v []byte) error {
type node struct {
// children is non-nil for internal nodes
children []*node
children *[256]*node
// The following are only valid if children is nil:
codeLen uint8 // number of bits that led to the output of sym
@@ -114,22 +115,31 @@ type node struct {
}
func newInternalNode() *node {
return &node{children: make([]*node, 256)}
return &node{children: new([256]*node)}
}
var rootHuffmanNode = newInternalNode()
var (
buildRootOnce sync.Once
lazyRootHuffmanNode *node
)
func init() {
func getRootHuffmanNode() *node {
buildRootOnce.Do(buildRootHuffmanNode)
return lazyRootHuffmanNode
}
func buildRootHuffmanNode() {
if len(huffmanCodes) != 256 {
panic("unexpected size")
}
lazyRootHuffmanNode = newInternalNode()
for i, code := range huffmanCodes {
addDecoderNode(byte(i), code, huffmanCodeLen[i])
}
}
func addDecoderNode(sym byte, code uint32, codeLen uint8) {
cur := rootHuffmanNode
cur := lazyRootHuffmanNode
for codeLen > 8 {
codeLen -= 8
i := uint8(code >> codeLen)

17
vendor/golang.org/x/net/http2/http2.go generated vendored
View File

@@ -201,19 +201,12 @@ func validWireHeaderFieldName(v string) bool {
return true
}
var httpCodeStringCommon = map[int]string{} // n -> strconv.Itoa(n)
func init() {
for i := 100; i <= 999; i++ {
if v := http.StatusText(i); v != "" {
httpCodeStringCommon[i] = strconv.Itoa(i)
}
}
}
func httpCodeString(code int) string {
if s, ok := httpCodeStringCommon[code]; ok {
return s
switch code {
case 200:
return "200"
case 404:
return "404"
}
return strconv.Itoa(code)
}

20
vendor/golang.org/x/net/http2/not_go111.go generated vendored Normal file
View File

@@ -0,0 +1,20 @@
// Copyright 2018 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.11
package http2
import (
"net/http/httptrace"
"net/textproto"
)
func traceHasWroteHeaderField(trace *httptrace.ClientTrace) bool { return false }
func traceWroteHeaderField(trace *httptrace.ClientTrace, k, v string) {}
func traceGot1xxResponseFunc(trace *httptrace.ClientTrace) func(int, textproto.MIMEHeader) error {
return nil
}

21
vendor/golang.org/x/net/http2/not_go16.go generated vendored
View File

@@ -1,21 +0,0 @@
// Copyright 2015 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.6
package http2
import (
"net/http"
"time"
)
func configureTransport(t1 *http.Transport) (*Transport, error) {
return nil, errTransportVersion
}
func transportExpectContinueTimeout(t1 *http.Transport) time.Duration {
return 0
}

87
vendor/golang.org/x/net/http2/not_go17.go generated vendored
View File

@@ -1,87 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.7
package http2
import (
"crypto/tls"
"net"
"net/http"
"time"
)
type contextContext interface {
Done() <-chan struct{}
Err() error
}
type fakeContext struct{}
func (fakeContext) Done() <-chan struct{} { return nil }
func (fakeContext) Err() error { panic("should not be called") }
func reqContext(r *http.Request) fakeContext {
return fakeContext{}
}
func setResponseUncompressed(res *http.Response) {
// Nothing.
}
type clientTrace struct{}
func requestTrace(*http.Request) *clientTrace { return nil }
func traceGotConn(*http.Request, *ClientConn) {}
func traceFirstResponseByte(*clientTrace) {}
func traceWroteHeaders(*clientTrace) {}
func traceWroteRequest(*clientTrace, error) {}
func traceGot100Continue(trace *clientTrace) {}
func traceWait100Continue(trace *clientTrace) {}
func nop() {}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx contextContext, cancel func()) {
return nil, nop
}
func contextWithCancel(ctx contextContext) (_ contextContext, cancel func()) {
return ctx, nop
}
func requestWithContext(req *http.Request, ctx contextContext) *http.Request {
return req
}
// temporary copy of Go 1.6's private tls.Config.clone:
func cloneTLSConfig(c *tls.Config) *tls.Config {
return &tls.Config{
Rand: c.Rand,
Time: c.Time,
Certificates: c.Certificates,
NameToCertificate: c.NameToCertificate,
GetCertificate: c.GetCertificate,
RootCAs: c.RootCAs,
NextProtos: c.NextProtos,
ServerName: c.ServerName,
ClientAuth: c.ClientAuth,
ClientCAs: c.ClientCAs,
InsecureSkipVerify: c.InsecureSkipVerify,
CipherSuites: c.CipherSuites,
PreferServerCipherSuites: c.PreferServerCipherSuites,
SessionTicketsDisabled: c.SessionTicketsDisabled,
SessionTicketKey: c.SessionTicketKey,
ClientSessionCache: c.ClientSessionCache,
MinVersion: c.MinVersion,
MaxVersion: c.MaxVersion,
CurvePreferences: c.CurvePreferences,
}
}
func (cc *ClientConn) Ping(ctx contextContext) error {
return cc.ping(ctx)
}
func (t *Transport) idleConnTimeout() time.Duration { return 0 }

29
vendor/golang.org/x/net/http2/not_go18.go generated vendored
View File

@@ -1,29 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.8
package http2
import (
"io"
"net/http"
)
func configureServer18(h1 *http.Server, h2 *Server) error {
// No IdleTimeout to sync prior to Go 1.8.
return nil
}
func shouldLogPanic(panicValue interface{}) bool {
return panicValue != nil
}
func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
return nil
}
func reqBodyIsNoBody(io.ReadCloser) bool { return false }
func go18httpNoBody() io.ReadCloser { return nil } // for tests only

16
vendor/golang.org/x/net/http2/not_go19.go generated vendored
View File

@@ -1,16 +0,0 @@
// Copyright 2016 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// +build !go1.9
package http2
import (
"net/http"
)
func configureServer19(s *http.Server, conf *Server) error {
// not supported prior to go1.9
return nil
}

89
vendor/golang.org/x/net/http2/server.go generated vendored
View File

@@ -28,6 +28,7 @@ package http2
import (
"bufio"
"bytes"
"context"
"crypto/tls"
"errors"
"fmt"
@@ -209,12 +210,14 @@ func ConfigureServer(s *http.Server, conf *Server) error {
conf = new(Server)
}
conf.state = &serverInternalState{activeConns: make(map[*serverConn]struct{})}
if err := configureServer18(s, conf); err != nil {
return err
}
if err := configureServer19(s, conf); err != nil {
return err
if h1, h2 := s, conf; h2.IdleTimeout == 0 {
if h1.IdleTimeout != 0 {
h2.IdleTimeout = h1.IdleTimeout
} else {
h2.IdleTimeout = h1.ReadTimeout
}
}
s.RegisterOnShutdown(conf.state.startGracefulShutdown)
if s.TLSConfig == nil {
s.TLSConfig = new(tls.Config)
@@ -435,6 +438,15 @@ func (s *Server) ServeConn(c net.Conn, opts *ServeConnOpts) {
sc.serve()
}
func serverConnBaseContext(c net.Conn, opts *ServeConnOpts) (ctx context.Context, cancel func()) {
ctx, cancel = context.WithCancel(context.Background())
ctx = context.WithValue(ctx, http.LocalAddrContextKey, c.LocalAddr())
if hs := opts.baseConfig(); hs != nil {
ctx = context.WithValue(ctx, http.ServerContextKey, hs)
}
return
}
func (sc *serverConn) rejectConn(err ErrCode, debug string) {
sc.vlogf("http2: server rejecting conn: %v, %s", err, debug)
// ignoring errors. hanging up anyway.
@@ -450,7 +462,7 @@ type serverConn struct {
conn net.Conn
bw *bufferedWriter // writing to conn
handler http.Handler
baseCtx contextContext
baseCtx context.Context
framer *Framer
doneServing chan struct{} // closed when serverConn.serve ends
readFrameCh chan readFrameResult // written by serverConn.readFrames
@@ -530,7 +542,7 @@ type stream struct {
id uint32
body *pipe // non-nil if expecting DATA frames
cw closeWaiter // closed wait stream transitions to closed state
ctx contextContext
ctx context.Context
cancelCtx func()
// owned by serverConn's serve loop:
@@ -663,6 +675,7 @@ func (sc *serverConn) condlogf(err error, format string, args ...interface{}) {
func (sc *serverConn) canonicalHeader(v string) string {
sc.serveG.check()
buildCommonHeaderMapsOnce()
cv, ok := commonCanonHeader[v]
if ok {
return cv
@@ -1109,7 +1122,7 @@ func (sc *serverConn) startFrameWrite(wr FrameWriteRequest) {
// errHandlerPanicked is the error given to any callers blocked in a read from
// Request.Body when the main goroutine panics. Since most handlers read in the
// the main ServeHTTP goroutine, this will show up rarely.
// main ServeHTTP goroutine, this will show up rarely.
var errHandlerPanicked = errors.New("http2: handler panicked")
// wroteFrame is called on the serve goroutine with the result of
@@ -1487,6 +1500,12 @@ func (sc *serverConn) processSettings(f *SettingsFrame) error {
}
return nil
}
if f.NumSettings() > 100 || f.HasDuplicates() {
// This isn't actually in the spec, but hang up on
// suspiciously large settings frames or those with
// duplicate entries.
return ConnectionError(ErrCodeProtocol)
}
if err := f.ForeachSetting(sc.processSetting); err != nil {
return err
}
@@ -1721,6 +1740,13 @@ func (sc *serverConn) processHeaders(f *MetaHeadersFrame) error {
// processing this frame.
return nil
}
// RFC 7540, sec 5.1: If an endpoint receives additional frames, other than
// WINDOW_UPDATE, PRIORITY, or RST_STREAM, for a stream that is in
// this state, it MUST respond with a stream error (Section 5.4.2) of
// type STREAM_CLOSED.
if st.state == stateHalfClosedRemote {
return streamError(id, ErrCodeStreamClosed)
}
return st.processTrailerHeaders(f)
}
@@ -1862,7 +1888,7 @@ func (sc *serverConn) newStream(id, pusherID uint32, state streamState) *stream
panic("internal error: cannot create stream with id 0")
}
ctx, cancelCtx := contextWithCancel(sc.baseCtx)
ctx, cancelCtx := context.WithCancel(sc.baseCtx)
st := &stream{
sc: sc,
id: id,
@@ -2028,7 +2054,7 @@ func (sc *serverConn) newWriterAndRequestNoBody(st *stream, rp requestParam) (*r
Body: body,
Trailer: trailer,
}
req = requestWithContext(req, st.ctx)
req = req.WithContext(st.ctx)
rws := responseWriterStatePool.Get().(*responseWriterState)
bwSave := rws.bw
@@ -2056,7 +2082,7 @@ func (sc *serverConn) runHandler(rw *responseWriter, req *http.Request, handler
stream: rw.rws.stream,
})
// Same as net/http:
if shouldLogPanic(e) {
if e != nil && e != http.ErrAbortHandler {
const size = 64 << 10
buf := make([]byte, size)
buf = buf[:runtime.Stack(buf, false)]
@@ -2281,7 +2307,16 @@ type chunkWriter struct{ rws *responseWriterState }
func (cw chunkWriter) Write(p []byte) (n int, err error) { return cw.rws.writeChunk(p) }
func (rws *responseWriterState) hasTrailers() bool { return len(rws.trailers) != 0 }
func (rws *responseWriterState) hasTrailers() bool { return len(rws.trailers) > 0 }
func (rws *responseWriterState) hasNonemptyTrailers() bool {
for _, trailer := range rws.trailers {
if _, ok := rws.handlerHeader[trailer]; ok {
return true
}
}
return false
}
// declareTrailer is called for each Trailer header when the
// response header is written. It notes that a header will need to be
@@ -2327,15 +2362,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
}
_, hasContentType := rws.snapHeader["Content-Type"]
if !hasContentType && bodyAllowedForStatus(rws.status) && len(p) > 0 {
if cto := rws.snapHeader.Get("X-Content-Type-Options"); strings.EqualFold("nosniff", cto) {
// nosniff is an explicit directive not to guess a content-type.
// Content-sniffing is no less susceptible to polyglot attacks via
// hosted content when done on the server.
ctype = "application/octet-stream"
rws.conn.logf("http2: WriteHeader called with X-Content-Type-Options:nosniff but no Content-Type")
} else {
ctype = http.DetectContentType(p)
}
ctype = http.DetectContentType(p)
}
var date string
if _, ok := rws.snapHeader["Date"]; !ok {
@@ -2389,7 +2416,10 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
rws.promoteUndeclaredTrailers()
}
endStream := rws.handlerDone && !rws.hasTrailers()
// only send trailers if they have actually been defined by the
// server handler.
hasNonemptyTrailers := rws.hasNonemptyTrailers()
endStream := rws.handlerDone && !hasNonemptyTrailers
if len(p) > 0 || endStream {
// only send a 0 byte DATA frame if we're ending the stream.
if err := rws.conn.writeDataFromHandler(rws.stream, p, endStream); err != nil {
@@ -2398,7 +2428,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
}
}
if rws.handlerDone && rws.hasTrailers() {
if rws.handlerDone && hasNonemptyTrailers {
err = rws.conn.writeHeaders(rws.stream, &writeResHeaders{
streamID: rws.stream.id,
h: rws.handlerHeader,
@@ -2626,14 +2656,9 @@ var (
ErrPushLimitReached = errors.New("http2: push would exceed peer's SETTINGS_MAX_CONCURRENT_STREAMS")
)
// pushOptions is the internal version of http.PushOptions, which we
// cannot include here because it's only defined in Go 1.8 and later.
type pushOptions struct {
Method string
Header http.Header
}
var _ http.Pusher = (*responseWriter)(nil)
func (w *responseWriter) push(target string, opts pushOptions) error {
func (w *responseWriter) Push(target string, opts *http.PushOptions) error {
st := w.rws.stream
sc := st.sc
sc.serveG.checkNotOn()
@@ -2644,6 +2669,10 @@ func (w *responseWriter) push(target string, opts pushOptions) error {
return ErrRecursivePush
}
if opts == nil {
opts = new(http.PushOptions)
}
// Default options.
if opts.Method == "" {
opts.Method = "GET"

409
vendor/golang.org/x/net/http2/transport.go generated vendored
View File

@@ -10,6 +10,7 @@ import (
"bufio"
"bytes"
"compress/gzip"
"context"
"crypto/rand"
"crypto/tls"
"errors"
@@ -21,6 +22,8 @@ import (
mathrand "math/rand"
"net"
"net/http"
"net/http/httptrace"
"net/textproto"
"sort"
"strconv"
"strings"
@@ -94,6 +97,16 @@ type Transport struct {
// to mean no limit.
MaxHeaderListSize uint32
// StrictMaxConcurrentStreams controls whether the server's
// SETTINGS_MAX_CONCURRENT_STREAMS should be respected
// globally. If false, new TCP connections are created to the
// server as needed to keep each under the per-connection
// SETTINGS_MAX_CONCURRENT_STREAMS limit. If true, the
// server's SETTINGS_MAX_CONCURRENT_STREAMS is interpreted as
// a global limit and callers of RoundTrip block when needed,
// waiting for their turn.
StrictMaxConcurrentStreams bool
// t1, if non-nil, is the standard library Transport using
// this transport. Its settings are used (but not its
// RoundTrip method, etc).
@@ -117,16 +130,56 @@ func (t *Transport) disableCompression() bool {
return t.DisableCompression || (t.t1 != nil && t.t1.DisableCompression)
}
var errTransportVersion = errors.New("http2: ConfigureTransport is only supported starting at Go 1.6")
// ConfigureTransport configures a net/http HTTP/1 Transport to use HTTP/2.
// It requires Go 1.6 or later and returns an error if the net/http package is too old
// or if t1 has already been HTTP/2-enabled.
// It returns an error if t1 has already been HTTP/2-enabled.
func ConfigureTransport(t1 *http.Transport) error {
_, err := configureTransport(t1) // in configure_transport.go (go1.6) or not_go16.go
_, err := configureTransport(t1)
return err
}
func configureTransport(t1 *http.Transport) (*Transport, error) {
connPool := new(clientConnPool)
t2 := &Transport{
ConnPool: noDialClientConnPool{connPool},
t1: t1,
}
connPool.t = t2
if err := registerHTTPSProtocol(t1, noDialH2RoundTripper{t2}); err != nil {
return nil, err
}
if t1.TLSClientConfig == nil {
t1.TLSClientConfig = new(tls.Config)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "h2") {
t1.TLSClientConfig.NextProtos = append([]string{"h2"}, t1.TLSClientConfig.NextProtos...)
}
if !strSliceContains(t1.TLSClientConfig.NextProtos, "http/1.1") {
t1.TLSClientConfig.NextProtos = append(t1.TLSClientConfig.NextProtos, "http/1.1")
}
upgradeFn := func(authority string, c *tls.Conn) http.RoundTripper {
addr := authorityAddr("https", authority)
if used, err := connPool.addConnIfNeeded(addr, t2, c); err != nil {
go c.Close()
return erringRoundTripper{err}
} else if !used {
// Turns out we don't need this c.
// For example, two goroutines made requests to the same host
// at the same time, both kicking off TCP dials. (since protocol
// was unknown)
go c.Close()
}
return t2
}
if m := t1.TLSNextProto; len(m) == 0 {
t1.TLSNextProto = map[string]func(string, *tls.Conn) http.RoundTripper{
"h2": upgradeFn,
}
} else {
m["h2"] = upgradeFn
}
return t2, nil
}
func (t *Transport) connPool() ClientConnPool {
t.connPoolOnce.Do(t.initConnPool)
return t.connPoolOrDef
@@ -159,6 +212,7 @@ type ClientConn struct {
cond *sync.Cond // hold mu; broadcast on flow/closed changes
flow flow // our conn-level flow control quota (cs.flow is per stream)
inflow flow // peer's conn-level flow control
closing bool
closed bool
wantSettingsAck bool // we sent a SETTINGS frame and haven't heard back
goAway *GoAwayFrame // if non-nil, the GoAwayFrame we received
@@ -190,7 +244,7 @@ type ClientConn struct {
type clientStream struct {
cc *ClientConn
req *http.Request
trace *clientTrace // or nil
trace *httptrace.ClientTrace // or nil
ID uint32
resc chan resAndError
bufPipe pipe // buffered pipe with the flow-controlled response payload
@@ -211,9 +265,10 @@ type clientStream struct {
done chan struct{} // closed when stream remove from cc.streams map; close calls guarded by cc.mu
// owned by clientConnReadLoop:
firstByte bool // got the first response byte
pastHeaders bool // got first MetaHeadersFrame (actual headers)
pastTrailers bool // got optional second MetaHeadersFrame (trailers)
firstByte bool // got the first response byte
pastHeaders bool // got first MetaHeadersFrame (actual headers)
pastTrailers bool // got optional second MetaHeadersFrame (trailers)
num1xx uint8 // number of 1xx responses seen
trailer http.Header // accumulated trailers
resTrailer *http.Header // client's Response.Trailer
@@ -223,7 +278,7 @@ type clientStream struct {
// channel to be signaled. A non-nil error is returned only if the request was
// canceled.
func awaitRequestCancel(req *http.Request, done <-chan struct{}) error {
ctx := reqContext(req)
ctx := req.Context()
if req.Cancel == nil && ctx.Done() == nil {
return nil
}
@@ -237,6 +292,17 @@ func awaitRequestCancel(req *http.Request, done <-chan struct{}) error {
}
}
var got1xxFuncForTests func(int, textproto.MIMEHeader) error
// get1xxTraceFunc returns the value of request's httptrace.ClientTrace.Got1xxResponse func,
// if any. It returns nil if not set or if the Go version is too old.
func (cs *clientStream) get1xxTraceFunc() func(int, textproto.MIMEHeader) error {
if fn := got1xxFuncForTests; fn != nil {
return fn
}
return traceGot1xxResponseFunc(cs.trace)
}
// awaitRequestCancel waits for the user to cancel a request, its context to
// expire, or for the request to be done (any way it might be removed from the
// cc.streams map: peer reset, successful completion, TCP connection breakage,
@@ -387,8 +453,8 @@ func (t *Transport) RoundTripOpt(req *http.Request, opt RoundTripOpt) (*http.Res
select {
case <-time.After(time.Second * time.Duration(backoff)):
continue
case <-reqContext(req).Done():
return nil, reqContext(req).Err()
case <-req.Context().Done():
return nil, req.Context().Err()
}
}
}
@@ -423,27 +489,35 @@ func shouldRetryRequest(req *http.Request, err error, afterBodyWrite bool) (*htt
if !canRetryError(err) {
return nil, err
}
// If the Body is nil (or http.NoBody), it's safe to reuse
// this request and its Body.
if req.Body == nil || req.Body == http.NoBody {
return req, nil
}
// If the request body can be reset back to its original
// state via the optional req.GetBody, do that.
if req.GetBody != nil {
// TODO: consider a req.Body.Close here? or audit that all caller paths do?
body, err := req.GetBody()
if err != nil {
return nil, err
}
newReq := *req
newReq.Body = body
return &newReq, nil
}
// The Request.Body can't reset back to the beginning, but we
// don't seem to have started to read from it yet, so reuse
// the request directly. The "afterBodyWrite" means the
// bodyWrite process has started, which becomes true before
// the first Read.
if !afterBodyWrite {
return req, nil
}
// If the Body is nil (or http.NoBody), it's safe to reuse
// this request and its Body.
if req.Body == nil || reqBodyIsNoBody(req.Body) {
return req, nil
}
// Otherwise we depend on the Request having its GetBody
// func defined.
getBody := reqGetBody(req) // Go 1.8: getBody = req.GetBody
if getBody == nil {
return nil, fmt.Errorf("http2: Transport: cannot retry err [%v] after Request.Body was written; define Request.GetBody to avoid this error", err)
}
body, err := getBody()
if err != nil {
return nil, err
}
newReq := *req
newReq.Body = body
return &newReq, nil
return nil, fmt.Errorf("http2: Transport: cannot retry err [%v] after Request.Body was written; define Request.GetBody to avoid this error", err)
}
func canRetryError(err error) bool {
@@ -471,7 +545,7 @@ func (t *Transport) dialClientConn(addr string, singleUse bool) (*ClientConn, er
func (t *Transport) newTLSConfig(host string) *tls.Config {
cfg := new(tls.Config)
if t.TLSClientConfig != nil {
*cfg = *cloneTLSConfig(t.TLSClientConfig)
*cfg = *t.TLSClientConfig.Clone()
}
if !strSliceContains(cfg.NextProtos, NextProtoTLS) {
cfg.NextProtos = append([]string{NextProtoTLS}, cfg.NextProtos...)
@@ -522,7 +596,7 @@ func (t *Transport) expectContinueTimeout() time.Duration {
if t.t1 == nil {
return 0
}
return transportExpectContinueTimeout(t.t1)
return t.t1.ExpectContinueTimeout
}
func (t *Transport) NewClientConn(c net.Conn) (*ClientConn, error) {
@@ -630,12 +704,43 @@ func (cc *ClientConn) CanTakeNewRequest() bool {
return cc.canTakeNewRequestLocked()
}
func (cc *ClientConn) canTakeNewRequestLocked() bool {
// clientConnIdleState describes the suitability of a client
// connection to initiate a new RoundTrip request.
type clientConnIdleState struct {
canTakeNewRequest bool
freshConn bool // whether it's unused by any previous request
}
func (cc *ClientConn) idleState() clientConnIdleState {
cc.mu.Lock()
defer cc.mu.Unlock()
return cc.idleStateLocked()
}
func (cc *ClientConn) idleStateLocked() (st clientConnIdleState) {
if cc.singleUse && cc.nextStreamID > 1 {
return false
return
}
return cc.goAway == nil && !cc.closed &&
int64(cc.nextStreamID)+int64(cc.pendingRequests) < math.MaxInt32
var maxConcurrentOkay bool
if cc.t.StrictMaxConcurrentStreams {
// We'll tell the caller we can take a new request to
// prevent the caller from dialing a new TCP
// connection, but then we'll block later before
// writing it.
maxConcurrentOkay = true
} else {
maxConcurrentOkay = int64(len(cc.streams)+1) < int64(cc.maxConcurrentStreams)
}
st.canTakeNewRequest = cc.goAway == nil && !cc.closed && !cc.closing && maxConcurrentOkay &&
int64(cc.nextStreamID)+2*int64(cc.pendingRequests) < math.MaxInt32
st.freshConn = cc.nextStreamID == 1 && st.canTakeNewRequest
return
}
func (cc *ClientConn) canTakeNewRequestLocked() bool {
st := cc.idleStateLocked()
return st.canTakeNewRequest
}
// onIdleTimeout is called from a time.AfterFunc goroutine. It will
@@ -665,6 +770,87 @@ func (cc *ClientConn) closeIfIdle() {
cc.tconn.Close()
}
var shutdownEnterWaitStateHook = func() {}
// Shutdown gracefully close the client connection, waiting for running streams to complete.
func (cc *ClientConn) Shutdown(ctx context.Context) error {
if err := cc.sendGoAway(); err != nil {
return err
}
// Wait for all in-flight streams to complete or connection to close
done := make(chan error, 1)
cancelled := false // guarded by cc.mu
go func() {
cc.mu.Lock()
defer cc.mu.Unlock()
for {
if len(cc.streams) == 0 || cc.closed {
cc.closed = true
done <- cc.tconn.Close()
break
}
if cancelled {
break
}
cc.cond.Wait()
}
}()
shutdownEnterWaitStateHook()
select {
case err := <-done:
return err
case <-ctx.Done():
cc.mu.Lock()
// Free the goroutine above
cancelled = true
cc.cond.Broadcast()
cc.mu.Unlock()
return ctx.Err()
}
}
func (cc *ClientConn) sendGoAway() error {
cc.mu.Lock()
defer cc.mu.Unlock()
cc.wmu.Lock()
defer cc.wmu.Unlock()
if cc.closing {
// GOAWAY sent already
return nil
}
// Send a graceful shutdown frame to server
maxStreamID := cc.nextStreamID
if err := cc.fr.WriteGoAway(maxStreamID, ErrCodeNo, nil); err != nil {
return err
}
if err := cc.bw.Flush(); err != nil {
return err
}
// Prevent new requests
cc.closing = true
return nil
}
// Close closes the client connection immediately.
//
// In-flight requests are interrupted. For a graceful shutdown, use Shutdown instead.
func (cc *ClientConn) Close() error {
cc.mu.Lock()
defer cc.cond.Broadcast()
defer cc.mu.Unlock()
err := errors.New("http2: client connection force closed via ClientConn.Close")
for id, cs := range cc.streams {
select {
case cs.resc <- resAndError{err: err}:
default:
}
cs.bufPipe.CloseWithError(err)
delete(cc.streams, id)
}
cc.closed = true
return cc.tconn.Close()
}
const maxAllocFrameSize = 512 << 10
// frameBuffer returns a scratch buffer suitable for writing DATA frames.
@@ -747,7 +933,7 @@ func checkConnHeaders(req *http.Request) error {
if vv := req.Header["Transfer-Encoding"]; len(vv) > 0 && (len(vv) > 1 || vv[0] != "" && vv[0] != "chunked") {
return fmt.Errorf("http2: invalid Transfer-Encoding request header: %q", vv)
}
if vv := req.Header["Connection"]; len(vv) > 0 && (len(vv) > 1 || vv[0] != "" && vv[0] != "close" && vv[0] != "keep-alive") {
if vv := req.Header["Connection"]; len(vv) > 0 && (len(vv) > 1 || vv[0] != "" && !strings.EqualFold(vv[0], "close") && !strings.EqualFold(vv[0], "keep-alive")) {
return fmt.Errorf("http2: invalid Connection request header: %q", vv)
}
return nil
@@ -757,7 +943,7 @@ func checkConnHeaders(req *http.Request) error {
// req.ContentLength, where 0 actually means zero (not unknown) and -1
// means unknown.
func actualContentLength(req *http.Request) int64 {
if req.Body == nil || reqBodyIsNoBody(req.Body) {
if req.Body == nil || req.Body == http.NoBody {
return 0
}
if req.ContentLength != 0 {
@@ -827,7 +1013,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
cs := cc.newStream()
cs.req = req
cs.trace = requestTrace(req)
cs.trace = httptrace.ContextClientTrace(req.Context())
cs.requestedGzip = requestedGzip
bodyWriter := cc.t.getBodyWriterState(cs, body)
cs.on100 = bodyWriter.on100
@@ -865,7 +1051,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
readLoopResCh := cs.resc
bodyWritten := false
ctx := reqContext(req)
ctx := req.Context()
handleReadLoopResponse := func(re resAndError) (*http.Response, bool, error) {
res := re.res
@@ -935,6 +1121,7 @@ func (cc *ClientConn) roundTrip(req *http.Request) (res *http.Response, gotErrAf
default:
}
if err != nil {
cc.forgetStreamID(cs.ID)
return nil, cs.getStartedWrite(), err
}
bodyWritten = true
@@ -1056,6 +1243,7 @@ func (cs *clientStream) writeRequestBody(body io.Reader, bodyCloser io.Closer) (
sawEOF = true
err = nil
} else if err != nil {
cc.writeStreamReset(cs.ID, ErrCodeCancel, err)
return err
}
@@ -1223,7 +1411,11 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
// followed by the query production (see Sections 3.3 and 3.4 of
// [RFC3986]).
f(":authority", host)
f(":method", req.Method)
m := req.Method
if m == "" {
m = http.MethodGet
}
f(":method", m)
if req.Method != "CONNECT" {
f(":path", path)
f(":scheme", req.URL.Scheme)
@@ -1291,9 +1483,16 @@ func (cc *ClientConn) encodeHeaders(req *http.Request, addGzipHeader bool, trail
return nil, errRequestHeaderListSize
}
trace := httptrace.ContextClientTrace(req.Context())
traceHeaders := traceHasWroteHeaderField(trace)
// Header list size is ok. Write the headers.
enumerateHeaders(func(name, value string) {
cc.writeHeader(strings.ToLower(name), value)
name = strings.ToLower(name)
cc.writeHeader(name, value)
if traceHeaders {
traceWroteHeaderField(trace, name, value)
}
})
return cc.hbuf.Bytes(), nil
@@ -1615,8 +1814,7 @@ func (rl *clientConnReadLoop) processHeaders(f *MetaHeadersFrame) error {
// is the detail.
//
// As a special case, handleResponse may return (nil, nil) to skip the
// frame (currently only used for 100 expect continue). This special
// case is going away after Issue 13851 is fixed.
// frame (currently only used for 1xx responses).
func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFrame) (*http.Response, error) {
if f.Truncated {
return nil, errResponseHeaderListSize
@@ -1631,15 +1829,6 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
return nil, errors.New("malformed response from server: malformed non-numeric status pseudo header")
}
if statusCode == 100 {
traceGot100Continue(cs.trace)
if cs.on100 != nil {
cs.on100() // forces any write delay timer to fire
}
cs.pastHeaders = false // do it all again
return nil, nil
}
header := make(http.Header)
res := &http.Response{
Proto: "HTTP/2.0",
@@ -1664,6 +1853,27 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
}
}
if statusCode >= 100 && statusCode <= 199 {
cs.num1xx++
const max1xxResponses = 5 // arbitrary bound on number of informational responses, same as net/http
if cs.num1xx > max1xxResponses {
return nil, errors.New("http2: too many 1xx informational responses")
}
if fn := cs.get1xxTraceFunc(); fn != nil {
if err := fn(statusCode, textproto.MIMEHeader(header)); err != nil {
return nil, err
}
}
if statusCode == 100 {
traceGot100Continue(cs.trace)
if cs.on100 != nil {
cs.on100() // forces any write delay timer to fire
}
}
cs.pastHeaders = false // do it all again
return nil, nil
}
streamEnded := f.StreamEnded()
isHead := cs.req.Method == "HEAD"
if !streamEnded || isHead {
@@ -1696,7 +1906,7 @@ func (rl *clientConnReadLoop) handleResponse(cs *clientStream, f *MetaHeadersFra
res.Header.Del("Content-Length")
res.ContentLength = -1
res.Body = &gzipReader{body: res.Body}
setResponseUncompressed(res)
res.Uncompressed = true
}
return res, nil
}
@@ -2073,8 +2283,7 @@ func (rl *clientConnReadLoop) processResetStream(f *RSTStreamFrame) error {
}
// Ping sends a PING frame to the server and waits for the ack.
// Public implementation is in go17.go and not_go17.go
func (cc *ClientConn) ping(ctx contextContext) error {
func (cc *ClientConn) Ping(ctx context.Context) error {
c := make(chan struct{})
// Generate a random payload
var p [8]byte
@@ -2308,3 +2517,91 @@ func (s bodyWriterState) scheduleBodyWrite() {
func isConnectionCloseRequest(req *http.Request) bool {
return req.Close || httpguts.HeaderValuesContainsToken(req.Header["Connection"], "close")
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt noDialH2RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {
err = fmt.Errorf("%v", e)
}
}()
t.RegisterProtocol("https", rt)
return nil
}
// noDialH2RoundTripper is a RoundTripper which only tries to complete the request
// if there's already has a cached connection to the host.
// (The field is exported so it can be accessed via reflect from net/http; tested
// by TestNoDialH2RoundTripperType)
type noDialH2RoundTripper struct{ *Transport }
func (rt noDialH2RoundTripper) RoundTrip(req *http.Request) (*http.Response, error) {
res, err := rt.Transport.RoundTrip(req)
if isNoCachedConnError(err) {
return nil, http.ErrSkipAltProtocol
}
return res, err
}
func (t *Transport) idleConnTimeout() time.Duration {
if t.t1 != nil {
return t.t1.IdleConnTimeout
}
return 0
}
func traceGetConn(req *http.Request, hostPort string) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GetConn == nil {
return
}
trace.GetConn(hostPort)
}
func traceGotConn(req *http.Request, cc *ClientConn) {
trace := httptrace.ContextClientTrace(req.Context())
if trace == nil || trace.GotConn == nil {
return
}
ci := httptrace.GotConnInfo{Conn: cc.tconn}
cc.mu.Lock()
ci.Reused = cc.nextStreamID > 1
ci.WasIdle = len(cc.streams) == 0 && ci.Reused
if ci.WasIdle && !cc.lastActive.IsZero() {
ci.IdleTime = time.Now().Sub(cc.lastActive)
}
cc.mu.Unlock()
trace.GotConn(ci)
}
func traceWroteHeaders(trace *httptrace.ClientTrace) {
if trace != nil && trace.WroteHeaders != nil {
trace.WroteHeaders()
}
}
func traceGot100Continue(trace *httptrace.ClientTrace) {
if trace != nil && trace.Got100Continue != nil {
trace.Got100Continue()
}
}
func traceWait100Continue(trace *httptrace.ClientTrace) {
if trace != nil && trace.Wait100Continue != nil {
trace.Wait100Continue()
}
}
func traceWroteRequest(trace *httptrace.ClientTrace, err error) {
if trace != nil && trace.WroteRequest != nil {
trace.WroteRequest(httptrace.WroteRequestInfo{Err: err})
}
}
func traceFirstResponseByte(trace *httptrace.ClientTrace) {
if trace != nil && trace.GotFirstResponseByte != nil {
trace.GotFirstResponseByte()
}
}

4
vendor/golang.org/x/net/http2/write.go generated vendored
View File

@@ -199,7 +199,7 @@ func (w *writeResHeaders) staysWithinBuffer(max int) bool {
// TODO: this is a common one. It'd be nice to return true
// here and get into the fast path if we could be clever and
// calculate the size fast enough, or at least a conservative
// uppper bound that usually fires. (Maybe if w.h and
// upper bound that usually fires. (Maybe if w.h and
// w.trailers are nil, so we don't need to enumerate it.)
// Otherwise I'm afraid that just calculating the length to
// answer this question would be slower than the ~2µs benefit.
@@ -329,7 +329,7 @@ func (wu writeWindowUpdate) writeFrame(ctx writeContext) error {
}
// encodeHeaders encodes an http.Header. If keys is not nil, then (k, h[k])
// is encoded only only if k is in keys.
// is encoded only if k is in keys.
func encodeHeaders(enc *hpack.Encoder, h http.Header, keys []string) {
if keys == nil {
sorter := sorterPool.Get().(*sorter)