Bump golang.org/x/net

This version includes "x/net/context" which is fully compatible with
the standard Go "context" package, so the two can be mixed together.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
This commit is contained in:
Kir Kolyshkin 2018-04-24 12:02:14 -07:00
parent 209a7fc3e4
commit f337075620
15 changed files with 264 additions and 172 deletions

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@ -24,7 +24,7 @@ github.com/opencontainers/runc 69663f0bd4b60df09991c08812a60108003fa340
github.com/sirupsen/logrus v1.0.0
github.com/pmezard/go-difflib v1.0.0
github.com/urfave/cli 7bc6a0acffa589f415f88aca16cc1de5ffd66f9c
golang.org/x/net 7dcfb8076726a3fdd9353b6b8a1f1b6be6811bd6
golang.org/x/net b3756b4b77d7b13260a0a2ec658753cf48922eac
google.golang.org/grpc v1.10.1
github.com/pkg/errors v0.8.0
github.com/opencontainers/go-digest 21dfd564fd89c944783d00d069f33e3e7123c448

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@ -36,103 +36,6 @@
// Contexts.
package context // import "golang.org/x/net/context"
import "time"
// A Context carries a deadline, a cancelation signal, and other values across
// API boundaries.
//
// Context's methods may be called by multiple goroutines simultaneously.
type Context interface {
// Deadline returns the time when work done on behalf of this context
// should be canceled. Deadline returns ok==false when no deadline is
// set. Successive calls to Deadline return the same results.
Deadline() (deadline time.Time, ok bool)
// Done returns a channel that's closed when work done on behalf of this
// context should be canceled. Done may return nil if this context can
// never be canceled. Successive calls to Done return the same value.
//
// WithCancel arranges for Done to be closed when cancel is called;
// WithDeadline arranges for Done to be closed when the deadline
// expires; WithTimeout arranges for Done to be closed when the timeout
// elapses.
//
// Done is provided for use in select statements:
//
// // Stream generates values with DoSomething and sends them to out
// // until DoSomething returns an error or ctx.Done is closed.
// func Stream(ctx context.Context, out chan<- Value) error {
// for {
// v, err := DoSomething(ctx)
// if err != nil {
// return err
// }
// select {
// case <-ctx.Done():
// return ctx.Err()
// case out <- v:
// }
// }
// }
//
// See http://blog.golang.org/pipelines for more examples of how to use
// a Done channel for cancelation.
Done() <-chan struct{}
// Err returns a non-nil error value after Done is closed. Err returns
// Canceled if the context was canceled or DeadlineExceeded if the
// context's deadline passed. No other values for Err are defined.
// After Done is closed, successive calls to Err return the same value.
Err() error
// Value returns the value associated with this context for key, or nil
// if no value is associated with key. Successive calls to Value with
// the same key returns the same result.
//
// Use context values only for request-scoped data that transits
// processes and API boundaries, not for passing optional parameters to
// functions.
//
// A key identifies a specific value in a Context. Functions that wish
// to store values in Context typically allocate a key in a global
// variable then use that key as the argument to context.WithValue and
// Context.Value. A key can be any type that supports equality;
// packages should define keys as an unexported type to avoid
// collisions.
//
// Packages that define a Context key should provide type-safe accessors
// for the values stores using that key:
//
// // Package user defines a User type that's stored in Contexts.
// package user
//
// import "golang.org/x/net/context"
//
// // User is the type of value stored in the Contexts.
// type User struct {...}
//
// // key is an unexported type for keys defined in this package.
// // This prevents collisions with keys defined in other packages.
// type key int
//
// // userKey is the key for user.User values in Contexts. It is
// // unexported; clients use user.NewContext and user.FromContext
// // instead of using this key directly.
// var userKey key = 0
//
// // NewContext returns a new Context that carries value u.
// func NewContext(ctx context.Context, u *User) context.Context {
// return context.WithValue(ctx, userKey, u)
// }
//
// // FromContext returns the User value stored in ctx, if any.
// func FromContext(ctx context.Context) (*User, bool) {
// u, ok := ctx.Value(userKey).(*User)
// return u, ok
// }
Value(key interface{}) interface{}
}
// Background returns a non-nil, empty Context. It is never canceled, has no
// values, and has no deadline. It is typically used by the main function,
// initialization, and tests, and as the top-level Context for incoming
@ -149,8 +52,3 @@ func Background() Context {
func TODO() Context {
return todo
}
// A CancelFunc tells an operation to abandon its work.
// A CancelFunc does not wait for the work to stop.
// After the first call, subsequent calls to a CancelFunc do nothing.
type CancelFunc func()

20
vendor/golang.org/x/net/context/go19.go generated vendored Normal file
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@ -0,0 +1,20 @@
// Copyright 2017 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 context
import "context" // standard library's context, as of Go 1.7
// A Context carries a deadline, a cancelation signal, and other values across
// API boundaries.
//
// Context's methods may be called by multiple goroutines simultaneously.
type Context = context.Context
// A CancelFunc tells an operation to abandon its work.
// A CancelFunc does not wait for the work to stop.
// After the first call, subsequent calls to a CancelFunc do nothing.
type CancelFunc = context.CancelFunc

109
vendor/golang.org/x/net/context/pre_go19.go generated vendored Normal file
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@ -0,0 +1,109 @@
// Copyright 2014 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 context
import "time"
// A Context carries a deadline, a cancelation signal, and other values across
// API boundaries.
//
// Context's methods may be called by multiple goroutines simultaneously.
type Context interface {
// Deadline returns the time when work done on behalf of this context
// should be canceled. Deadline returns ok==false when no deadline is
// set. Successive calls to Deadline return the same results.
Deadline() (deadline time.Time, ok bool)
// Done returns a channel that's closed when work done on behalf of this
// context should be canceled. Done may return nil if this context can
// never be canceled. Successive calls to Done return the same value.
//
// WithCancel arranges for Done to be closed when cancel is called;
// WithDeadline arranges for Done to be closed when the deadline
// expires; WithTimeout arranges for Done to be closed when the timeout
// elapses.
//
// Done is provided for use in select statements:
//
// // Stream generates values with DoSomething and sends them to out
// // until DoSomething returns an error or ctx.Done is closed.
// func Stream(ctx context.Context, out chan<- Value) error {
// for {
// v, err := DoSomething(ctx)
// if err != nil {
// return err
// }
// select {
// case <-ctx.Done():
// return ctx.Err()
// case out <- v:
// }
// }
// }
//
// See http://blog.golang.org/pipelines for more examples of how to use
// a Done channel for cancelation.
Done() <-chan struct{}
// Err returns a non-nil error value after Done is closed. Err returns
// Canceled if the context was canceled or DeadlineExceeded if the
// context's deadline passed. No other values for Err are defined.
// After Done is closed, successive calls to Err return the same value.
Err() error
// Value returns the value associated with this context for key, or nil
// if no value is associated with key. Successive calls to Value with
// the same key returns the same result.
//
// Use context values only for request-scoped data that transits
// processes and API boundaries, not for passing optional parameters to
// functions.
//
// A key identifies a specific value in a Context. Functions that wish
// to store values in Context typically allocate a key in a global
// variable then use that key as the argument to context.WithValue and
// Context.Value. A key can be any type that supports equality;
// packages should define keys as an unexported type to avoid
// collisions.
//
// Packages that define a Context key should provide type-safe accessors
// for the values stores using that key:
//
// // Package user defines a User type that's stored in Contexts.
// package user
//
// import "golang.org/x/net/context"
//
// // User is the type of value stored in the Contexts.
// type User struct {...}
//
// // key is an unexported type for keys defined in this package.
// // This prevents collisions with keys defined in other packages.
// type key int
//
// // userKey is the key for user.User values in Contexts. It is
// // unexported; clients use user.NewContext and user.FromContext
// // instead of using this key directly.
// var userKey key = 0
//
// // NewContext returns a new Context that carries value u.
// func NewContext(ctx context.Context, u *User) context.Context {
// return context.WithValue(ctx, userKey, u)
// }
//
// // FromContext returns the User value stored in ctx, if any.
// func FromContext(ctx context.Context) (*User, bool) {
// u, ok := ctx.Value(userKey).(*User)
// return u, ok
// }
Value(key interface{}) interface{}
}
// A CancelFunc tells an operation to abandon its work.
// A CancelFunc does not wait for the work to stop.
// After the first call, subsequent calls to a CancelFunc do nothing.
type CancelFunc func()

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@ -56,7 +56,7 @@ func configureTransport(t1 *http.Transport) (*Transport, error) {
}
// registerHTTPSProtocol calls Transport.RegisterProtocol but
// convering panics into errors.
// converting panics into errors.
func registerHTTPSProtocol(t *http.Transport, rt http.RoundTripper) (err error) {
defer func() {
if e := recover(); e != nil {

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@ -87,13 +87,16 @@ type goAwayFlowError struct{}
func (goAwayFlowError) Error() string { return "connection exceeded flow control window size" }
// connErrorReason wraps a ConnectionError with an informative error about why it occurs.
// connError represents an HTTP/2 ConnectionError error code, along
// with a string (for debugging) explaining why.
//
// Errors of this type are only returned by the frame parser functions
// and converted into ConnectionError(ErrCodeProtocol).
// and converted into ConnectionError(Code), after stashing away
// the Reason into the Framer's errDetail field, accessible via
// the (*Framer).ErrorDetail method.
type connError struct {
Code ErrCode
Reason string
Code ErrCode // the ConnectionError error code
Reason string // additional reason
}
func (e connError) Error() string {

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@ -52,3 +52,5 @@ func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
func reqBodyIsNoBody(body io.ReadCloser) bool {
return body == http.NoBody
}
func go18httpNoBody() io.ReadCloser { return http.NoBody } // for tests only

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@ -376,12 +376,16 @@ func (s *sorter) SortStrings(ss []string) {
// validPseudoPath reports whether v is a valid :path pseudo-header
// value. It must be either:
//
// *) a non-empty string starting with '/', but not with with "//",
// *) a non-empty string starting with '/'
// *) the string '*', for OPTIONS requests.
//
// For now this is only used a quick check for deciding when to clean
// up Opaque URLs before sending requests from the Transport.
// See golang.org/issue/16847
//
// We used to enforce that the path also didn't start with "//", but
// Google's GFE accepts such paths and Chrome sends them, so ignore
// that part of the spec. See golang.org/issue/19103.
func validPseudoPath(v string) bool {
return (len(v) > 0 && v[0] == '/' && (len(v) == 1 || v[1] != '/')) || v == "*"
return (len(v) > 0 && v[0] == '/') || v == "*"
}

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@ -25,3 +25,5 @@ func reqGetBody(req *http.Request) func() (io.ReadCloser, error) {
}
func reqBodyIsNoBody(io.ReadCloser) bool { return false }
func go18httpNoBody() io.ReadCloser { return nil } // for tests only

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@ -50,7 +50,7 @@ func (p *pipe) Read(d []byte) (n int, err error) {
if p.breakErr != nil {
return 0, p.breakErr
}
if p.b.Len() > 0 {
if p.b != nil && p.b.Len() > 0 {
return p.b.Read(d)
}
if p.err != nil {

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@ -2252,6 +2252,7 @@ type responseWriterState struct {
wroteHeader bool // WriteHeader called (explicitly or implicitly). Not necessarily sent to user yet.
sentHeader bool // have we sent the header frame?
handlerDone bool // handler has finished
dirty bool // a Write failed; don't reuse this responseWriterState
sentContentLen int64 // non-zero if handler set a Content-Length header
wroteBytes int64
@ -2333,6 +2334,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
date: date,
})
if err != nil {
rws.dirty = true
return 0, err
}
if endStream {
@ -2354,6 +2356,7 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
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 {
rws.dirty = true
return 0, err
}
}
@ -2365,6 +2368,9 @@ func (rws *responseWriterState) writeChunk(p []byte) (n int, err error) {
trailers: rws.trailers,
endStream: true,
})
if err != nil {
rws.dirty = true
}
return len(p), err
}
return len(p), nil
@ -2504,7 +2510,7 @@ func cloneHeader(h http.Header) http.Header {
//
// * Handler calls w.Write or w.WriteString ->
// * -> rws.bw (*bufio.Writer) ->
// * (Handler migth call Flush)
// * (Handler might call Flush)
// * -> chunkWriter{rws}
// * -> responseWriterState.writeChunk(p []byte)
// * -> responseWriterState.writeChunk (most of the magic; see comment there)
@ -2543,10 +2549,19 @@ func (w *responseWriter) write(lenData int, dataB []byte, dataS string) (n int,
func (w *responseWriter) handlerDone() {
rws := w.rws
dirty := rws.dirty
rws.handlerDone = true
w.Flush()
w.rws = nil
if !dirty {
// Only recycle the pool if all prior Write calls to
// the serverConn goroutine completed successfully. If
// they returned earlier due to resets from the peer
// there might still be write goroutines outstanding
// from the serverConn referencing the rws memory. See
// issue 20704.
responseWriterStatePool.Put(rws)
}
}
// Push errors.

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@ -694,7 +694,7 @@ 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 {
if req.Body == nil || reqBodyIsNoBody(req.Body) {
return 0
}
if req.ContentLength != 0 {
@ -725,8 +725,8 @@ func (cc *ClientConn) RoundTrip(req *http.Request) (*http.Response, error) {
}
body := req.Body
hasBody := body != nil
contentLen := actualContentLength(req)
hasBody := contentLen != 0
// TODO(bradfitz): this is a copy of the logic in net/http. Unify somewhere?
var requestedGzip bool
@ -1713,16 +1713,27 @@ func (rl *clientConnReadLoop) processData(f *DataFrame) error {
}
// Return any padded flow control now, since we won't
// refund it later on body reads.
if pad := int32(f.Length) - int32(len(data)); pad > 0 {
cs.inflow.add(pad)
cc.inflow.add(pad)
var refund int
if pad := int(f.Length) - len(data); pad > 0 {
refund += pad
}
// Return len(data) now if the stream is already closed,
// since data will never be read.
didReset := cs.didReset
if didReset {
refund += len(data)
}
if refund > 0 {
cc.inflow.add(int32(refund))
cc.wmu.Lock()
cc.fr.WriteWindowUpdate(0, uint32(pad))
cc.fr.WriteWindowUpdate(cs.ID, uint32(pad))
cc.fr.WriteWindowUpdate(0, uint32(refund))
if !didReset {
cs.inflow.add(int32(refund))
cc.fr.WriteWindowUpdate(cs.ID, uint32(refund))
}
cc.bw.Flush()
cc.wmu.Unlock()
}
didReset := cs.didReset
cc.mu.Unlock()
if len(data) > 0 && !didReset {

26
vendor/golang.org/x/net/idna/idna.go generated vendored
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@ -67,6 +67,15 @@ func VerifyDNSLength(verify bool) Option {
return func(o *options) { o.verifyDNSLength = verify }
}
// RemoveLeadingDots removes leading label separators. Leading runes that map to
// dots, such as U+3002, are removed as well.
//
// This is the behavior suggested by the UTS #46 and is adopted by some
// browsers.
func RemoveLeadingDots(remove bool) Option {
return func(o *options) { o.removeLeadingDots = remove }
}
// ValidateLabels sets whether to check the mandatory label validation criteria
// as defined in Section 5.4 of RFC 5891. This includes testing for correct use
// of hyphens ('-'), normalization, validity of runes, and the context rules.
@ -133,6 +142,7 @@ func MapForLookup() Option {
o.mapping = validateAndMap
StrictDomainName(true)(o)
ValidateLabels(true)(o)
RemoveLeadingDots(true)(o)
}
}
@ -141,6 +151,7 @@ type options struct {
useSTD3Rules bool
validateLabels bool
verifyDNSLength bool
removeLeadingDots bool
trie *idnaTrie
@ -243,6 +254,7 @@ var (
transitional: true,
useSTD3Rules: true,
validateLabels: true,
removeLeadingDots: true,
trie: trie,
fromPuny: validateFromPunycode,
mapping: validateAndMap,
@ -251,6 +263,7 @@ var (
display = &Profile{options{
useSTD3Rules: true,
validateLabels: true,
removeLeadingDots: true,
trie: trie,
fromPuny: validateFromPunycode,
mapping: validateAndMap,
@ -293,8 +306,10 @@ func (p *Profile) process(s string, toASCII bool) (string, error) {
s, err = p.mapping(p, s)
}
// Remove leading empty labels.
if p.removeLeadingDots {
for ; len(s) > 0 && s[0] == '.'; s = s[1:] {
}
}
// It seems like we should only create this error on ToASCII, but the
// UTS 46 conformance tests suggests we should always check this.
if err == nil && p.verifyDNSLength && s == "" {
@ -373,23 +388,20 @@ func validateRegistration(p *Profile, s string) (string, error) {
if !norm.NFC.IsNormalString(s) {
return s, &labelError{s, "V1"}
}
var err error
for i := 0; i < len(s); {
v, sz := trie.lookupString(s[i:])
i += sz
// Copy bytes not copied so far.
switch p.simplify(info(v).category()) {
// TODO: handle the NV8 defined in the Unicode idna data set to allow
// for strict conformance to IDNA2008.
case valid, deviation:
case disallowed, mapped, unknown, ignored:
if err == nil {
r, _ := utf8.DecodeRuneInString(s[i:])
err = runeError(r)
return s, runeError(r)
}
i += sz
}
}
return s, err
return s, nil
}
func validateAndMap(p *Profile, s string) (string, error) {
@ -408,7 +420,7 @@ func validateAndMap(p *Profile, s string) (string, error) {
continue
case disallowed:
if err == nil {
r, _ := utf8.DecodeRuneInString(s[i:])
r, _ := utf8.DecodeRuneInString(s[start:])
err = runeError(r)
}
continue

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@ -39,9 +39,9 @@ var buckets = []bucket{
}
// RenderEvents renders the HTML page typically served at /debug/events.
// It does not do any auth checking; see AuthRequest for the default auth check
// used by the handler registered on http.DefaultServeMux.
// req may be nil.
// It does not do any auth checking. The request may be nil.
//
// Most users will use the Events handler.
func RenderEvents(w http.ResponseWriter, req *http.Request, sensitive bool) {
now := time.Now()
data := &struct {

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@ -110,7 +110,18 @@ var AuthRequest = func(req *http.Request) (any, sensitive bool) {
}
func init() {
http.HandleFunc("/debug/requests", func(w http.ResponseWriter, req *http.Request) {
// TODO(jbd): Serve Traces from /debug/traces in the future?
// There is no requirement for a request to be present to have traces.
http.HandleFunc("/debug/requests", Traces)
http.HandleFunc("/debug/events", Events)
}
// Traces responds with traces from the program.
// The package initialization registers it in http.DefaultServeMux
// at /debug/requests.
//
// It performs authorization by running AuthRequest.
func Traces(w http.ResponseWriter, req *http.Request) {
any, sensitive := AuthRequest(req)
if !any {
http.Error(w, "not allowed", http.StatusUnauthorized)
@ -118,8 +129,14 @@ func init() {
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
Render(w, req, sensitive)
})
http.HandleFunc("/debug/events", func(w http.ResponseWriter, req *http.Request) {
}
// Events responds with a page of events collected by EventLogs.
// The package initialization registers it in http.DefaultServeMux
// at /debug/events.
//
// It performs authorization by running AuthRequest.
func Events(w http.ResponseWriter, req *http.Request) {
any, sensitive := AuthRequest(req)
if !any {
http.Error(w, "not allowed", http.StatusUnauthorized)
@ -127,13 +144,12 @@ func init() {
}
w.Header().Set("Content-Type", "text/html; charset=utf-8")
RenderEvents(w, req, sensitive)
})
}
// Render renders the HTML page typically served at /debug/requests.
// It does not do any auth checking; see AuthRequest for the default auth check
// used by the handler registered on http.DefaultServeMux.
// req may be nil.
// It does not do any auth checking. The request may be nil.
//
// Most users will use the Traces handler.
func Render(w io.Writer, req *http.Request, sensitive bool) {
data := &struct {
Families []string