From c7a2117293f8e52da8a4fe32a50064863ee2bdb9 Mon Sep 17 00:00:00 2001 From: Marc CARRE Date: Sun, 8 Oct 2017 15:00:34 +0100 Subject: [PATCH] Update golang.org/x/net/context to latest. ``` $ gvt delete golang.org/x/net/context $ gvt fetch golang.org/x/net/context 2017/10/08 XX:XX:XX Fetching: golang.org/x/net/context $ git grep -l "golang.org/x/net/context" | grep -v vendor | xargs sed -i 's:golang.org/x/net/context:context:g' $ git grep -l "context/ctxhttp" | grep -v vendor | xargs sed -i 's:context/ctxhttp:golang.org/x/net/context/ctxhttp:g' $ gofmt -s -w app $ gofmt -s -w common $ gofmt -s -w probe $ gofmt -s -w prog $ gofmt -s -w tools ``` This fixes errors like: ``` app/multitenant/aws_collector.go:222: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/aws_collector.go:439: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/memcache_client.go:155: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogramStatus app/multitenant/memcache_client.go:210: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogramStatus app/multitenant/s3_client.go:74: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/s3_client.go:91: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/sqs_control_router.go:99: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/sqs_control_router.go:133: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/sqs_control_router.go:163: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/sqs_control_router.go:199: cannot use func literal (type func("github.com/weaveworks/scope/vendor/golang.org/x/net/context".Context) error) as type func("context".Context) error in argument to instrument.TimeRequestHistogram app/multitenant/sqs_control_router.go:199: too many errors ``` --- app/api_report.go | 2 +- app/api_topologies.go | 2 +- app/api_topology.go | 2 +- app/benchmark_internal_test.go | 2 +- app/collector.go | 2 +- app/collector_test.go | 2 +- app/control_router.go | 2 +- app/controls.go | 2 +- app/multitenant/aws_collector.go | 2 +- app/multitenant/billing_emitter.go | 2 +- app/multitenant/consul_pipe_router.go | 3 +- .../consul_pipe_router_internal_test.go | 2 +- app/multitenant/memcache_client.go | 3 +- app/multitenant/s3_client.go | 2 +- app/multitenant/sqs_control_router.go | 3 +- app/multitenant/user.go | 2 +- app/pipe_router.go | 2 +- app/pipes.go | 2 +- app/pipes_internal_test.go | 2 +- app/router.go | 2 +- app/router_test.go | 2 +- probe/plugins/registry.go | 2 +- tools/socks/main.go | 2 +- vendor/golang.org/x/net/context/LICENSE | 27 + vendor/golang.org/x/net/context/context.go | 405 +----------- .../golang.org/x/net/context/context_test.go | 575 ------------------ .../x/net/context/ctxhttp/cancelreq.go | 18 - .../x/net/context/ctxhttp/cancelreq_go14.go | 23 - .../x/net/context/ctxhttp/ctxhttp.go | 43 +- .../x/net/context/ctxhttp/ctxhttp_pre17.go | 147 +++++ .../x/net/context/ctxhttp/ctxhttp_test.go | 72 --- vendor/golang.org/x/net/context/go17.go | 72 +++ vendor/golang.org/x/net/context/go19.go | 20 + vendor/golang.org/x/net/context/pre_go17.go | 300 +++++++++ vendor/golang.org/x/net/context/pre_go19.go | 109 ++++ .../x/net/context/withtimeout_test.go | 26 - vendor/manifest | 7 +- 37 files changed, 730 insertions(+), 1163 deletions(-) create mode 100644 vendor/golang.org/x/net/context/LICENSE delete mode 100644 vendor/golang.org/x/net/context/context_test.go delete mode 100644 vendor/golang.org/x/net/context/ctxhttp/cancelreq.go delete mode 100644 vendor/golang.org/x/net/context/ctxhttp/cancelreq_go14.go create mode 100644 vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go delete mode 100644 vendor/golang.org/x/net/context/ctxhttp/ctxhttp_test.go create mode 100644 vendor/golang.org/x/net/context/go17.go create mode 100644 vendor/golang.org/x/net/context/go19.go create mode 100644 vendor/golang.org/x/net/context/pre_go17.go create mode 100644 vendor/golang.org/x/net/context/pre_go19.go delete mode 100644 vendor/golang.org/x/net/context/withtimeout_test.go diff --git a/app/api_report.go b/app/api_report.go index 6dfbd153d..5b59de5ca 100644 --- a/app/api_report.go +++ b/app/api_report.go @@ -4,7 +4,7 @@ import ( "net/http" "time" - "golang.org/x/net/context" + "context" "github.com/weaveworks/scope/probe/host" "github.com/weaveworks/scope/report" diff --git a/app/api_topologies.go b/app/api_topologies.go index 7d00954c3..7abc48528 100644 --- a/app/api_topologies.go +++ b/app/api_topologies.go @@ -1,6 +1,7 @@ package app import ( + "context" "fmt" "net/http" "net/url" @@ -11,7 +12,6 @@ import ( "github.com/gorilla/mux" log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/scope/probe/docker" "github.com/weaveworks/scope/probe/kubernetes" diff --git a/app/api_topology.go b/app/api_topology.go index ec5e146dd..c58cc4eba 100644 --- a/app/api_topology.go +++ b/app/api_topology.go @@ -1,12 +1,12 @@ package app import ( + "context" "net/http" "time" "github.com/gorilla/mux" log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/scope/common/xfer" "github.com/weaveworks/scope/render" diff --git a/app/benchmark_internal_test.go b/app/benchmark_internal_test.go index 493244e29..361b7e97e 100644 --- a/app/benchmark_internal_test.go +++ b/app/benchmark_internal_test.go @@ -7,7 +7,7 @@ import ( "testing" "time" - "golang.org/x/net/context" + "context" "github.com/weaveworks/scope/render" "github.com/weaveworks/scope/report" diff --git a/app/collector.go b/app/collector.go index 434edcd81..0aed4816f 100644 --- a/app/collector.go +++ b/app/collector.go @@ -9,7 +9,7 @@ import ( "sync" "time" - "golang.org/x/net/context" + "context" "github.com/weaveworks/common/mtime" "github.com/weaveworks/scope/report" diff --git a/app/collector_test.go b/app/collector_test.go index d8f9d26dc..c986d2ecc 100644 --- a/app/collector_test.go +++ b/app/collector_test.go @@ -4,7 +4,7 @@ import ( "testing" "time" - "golang.org/x/net/context" + "context" "github.com/weaveworks/common/mtime" "github.com/weaveworks/common/test" diff --git a/app/control_router.go b/app/control_router.go index 0b2f383b5..77aafacbb 100644 --- a/app/control_router.go +++ b/app/control_router.go @@ -5,7 +5,7 @@ import ( "math/rand" "sync" - "golang.org/x/net/context" + "context" "github.com/weaveworks/scope/common/xfer" ) diff --git a/app/controls.go b/app/controls.go index 10e27e686..6e8318e3f 100644 --- a/app/controls.go +++ b/app/controls.go @@ -4,10 +4,10 @@ import ( "net/http" "net/rpc" + "context" "github.com/gorilla/mux" log "github.com/sirupsen/logrus" "github.com/ugorji/go/codec" - "golang.org/x/net/context" "github.com/weaveworks/scope/common/xfer" ) diff --git a/app/multitenant/aws_collector.go b/app/multitenant/aws_collector.go index 064529465..e01f87b21 100644 --- a/app/multitenant/aws_collector.go +++ b/app/multitenant/aws_collector.go @@ -1,6 +1,7 @@ package multitenant import ( + "context" "crypto/md5" "fmt" "io" @@ -16,7 +17,6 @@ import ( "github.com/nats-io/nats" "github.com/prometheus/client_golang/prometheus" log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/common/instrument" "github.com/weaveworks/scope/app" diff --git a/app/multitenant/billing_emitter.go b/app/multitenant/billing_emitter.go index 253b12865..3375b034d 100644 --- a/app/multitenant/billing_emitter.go +++ b/app/multitenant/billing_emitter.go @@ -7,9 +7,9 @@ import ( "strings" "time" + "context" log "github.com/sirupsen/logrus" billing "github.com/weaveworks/billing-client" - "golang.org/x/net/context" "github.com/weaveworks/scope/app" "github.com/weaveworks/scope/report" diff --git a/app/multitenant/consul_pipe_router.go b/app/multitenant/consul_pipe_router.go index b6b825f15..129a401c7 100644 --- a/app/multitenant/consul_pipe_router.go +++ b/app/multitenant/consul_pipe_router.go @@ -1,6 +1,7 @@ package multitenant import ( + "context" "fmt" "io" "net/http" @@ -10,8 +11,8 @@ import ( "github.com/gorilla/mux" "github.com/gorilla/websocket" + log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/common/mtime" "github.com/weaveworks/scope/app" diff --git a/app/multitenant/consul_pipe_router_internal_test.go b/app/multitenant/consul_pipe_router_internal_test.go index 3ba8e4c07..32e05466d 100644 --- a/app/multitenant/consul_pipe_router_internal_test.go +++ b/app/multitenant/consul_pipe_router_internal_test.go @@ -9,7 +9,7 @@ import ( "sync" "testing" - "golang.org/x/net/context" + "context" "github.com/weaveworks/scope/app" "github.com/weaveworks/scope/common/xfer" diff --git a/app/multitenant/memcache_client.go b/app/multitenant/memcache_client.go index dea247c88..ac041ac06 100644 --- a/app/multitenant/memcache_client.go +++ b/app/multitenant/memcache_client.go @@ -1,6 +1,7 @@ package multitenant import ( + "context" "fmt" "net" "sort" @@ -9,8 +10,8 @@ import ( "github.com/bradfitz/gomemcache/memcache" "github.com/prometheus/client_golang/prometheus" + log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/common/instrument" "github.com/weaveworks/scope/report" diff --git a/app/multitenant/s3_client.go b/app/multitenant/s3_client.go index 6f5545e03..586a28f9c 100644 --- a/app/multitenant/s3_client.go +++ b/app/multitenant/s3_client.go @@ -3,11 +3,11 @@ package multitenant import ( "bytes" + "context" "github.com/aws/aws-sdk-go/aws" "github.com/aws/aws-sdk-go/aws/session" "github.com/aws/aws-sdk-go/service/s3" "github.com/prometheus/client_golang/prometheus" - "golang.org/x/net/context" "github.com/weaveworks/common/instrument" "github.com/weaveworks/scope/report" diff --git a/app/multitenant/sqs_control_router.go b/app/multitenant/sqs_control_router.go index e67b5ebab..34801432d 100644 --- a/app/multitenant/sqs_control_router.go +++ b/app/multitenant/sqs_control_router.go @@ -2,6 +2,7 @@ package multitenant import ( "bytes" + "context" "encoding/json" "fmt" "math/rand" @@ -12,8 +13,8 @@ import ( "github.com/aws/aws-sdk-go/aws/session" "github.com/aws/aws-sdk-go/service/sqs" "github.com/prometheus/client_golang/prometheus" + log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/common/instrument" "github.com/weaveworks/scope/app" diff --git a/app/multitenant/user.go b/app/multitenant/user.go index 63fa16dc4..28a4584ad 100644 --- a/app/multitenant/user.go +++ b/app/multitenant/user.go @@ -4,7 +4,7 @@ import ( "fmt" "net/http" - "golang.org/x/net/context" + "context" "github.com/weaveworks/scope/app" ) diff --git a/app/pipe_router.go b/app/pipe_router.go index 0c20b7330..273593175 100644 --- a/app/pipe_router.go +++ b/app/pipe_router.go @@ -6,8 +6,8 @@ import ( "sync" "time" + "context" log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/common/mtime" "github.com/weaveworks/scope/common/xfer" diff --git a/app/pipes.go b/app/pipes.go index a79a8ad05..22b735666 100644 --- a/app/pipes.go +++ b/app/pipes.go @@ -1,11 +1,11 @@ package app import ( + "context" "net/http" "github.com/gorilla/mux" log "github.com/sirupsen/logrus" - "golang.org/x/net/context" "github.com/weaveworks/scope/common/xfer" ) diff --git a/app/pipes_internal_test.go b/app/pipes_internal_test.go index ca1d7b680..da74b8aac 100644 --- a/app/pipes_internal_test.go +++ b/app/pipes_internal_test.go @@ -11,9 +11,9 @@ import ( "testing" "time" + "context" "github.com/gorilla/mux" "github.com/gorilla/websocket" - "golang.org/x/net/context" "github.com/weaveworks/common/mtime" "github.com/weaveworks/scope/common/xfer" diff --git a/app/router.go b/app/router.go index 8820515e0..8e0573dfc 100644 --- a/app/router.go +++ b/app/router.go @@ -11,11 +11,11 @@ import ( "sync" "time" + "context" "github.com/PuerkitoBio/ghost/handlers" "github.com/gorilla/mux" log "github.com/sirupsen/logrus" "github.com/ugorji/go/codec" - "golang.org/x/net/context" "github.com/weaveworks/scope/common/hostname" "github.com/weaveworks/scope/common/xfer" diff --git a/app/router_test.go b/app/router_test.go index 4dfd244d0..3e66af328 100644 --- a/app/router_test.go +++ b/app/router_test.go @@ -9,9 +9,9 @@ import ( "testing" "time" + "context" "github.com/gorilla/mux" "github.com/ugorji/go/codec" - "golang.org/x/net/context" "github.com/weaveworks/common/test" "github.com/weaveworks/scope/app" diff --git a/probe/plugins/registry.go b/probe/plugins/registry.go index dbcf810c7..79a7842c7 100644 --- a/probe/plugins/registry.go +++ b/probe/plugins/registry.go @@ -14,9 +14,9 @@ import ( "syscall" "time" + "context" log "github.com/sirupsen/logrus" "github.com/ugorji/go/codec" - "golang.org/x/net/context" "golang.org/x/net/context/ctxhttp" "github.com/weaveworks/common/backoff" diff --git a/tools/socks/main.go b/tools/socks/main.go index 7cd8c7086..c29a48349 100644 --- a/tools/socks/main.go +++ b/tools/socks/main.go @@ -8,10 +8,10 @@ import ( "strings" "text/template" + "context" socks5 "github.com/armon/go-socks5" "github.com/weaveworks/common/mflag" "github.com/weaveworks/common/mflagext" - "golang.org/x/net/context" ) type pacFileParameters struct { diff --git a/vendor/golang.org/x/net/context/LICENSE b/vendor/golang.org/x/net/context/LICENSE new file mode 100644 index 000000000..6a66aea5e --- /dev/null +++ b/vendor/golang.org/x/net/context/LICENSE @@ -0,0 +1,27 @@ +Copyright (c) 2009 The Go Authors. All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are +met: + + * Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above +copyright notice, this list of conditions and the following disclaimer +in the documentation and/or other materials provided with the +distribution. + * Neither the name of Google Inc. nor the names of its +contributors may be used to endorse or promote products derived from +this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. diff --git a/vendor/golang.org/x/net/context/context.go b/vendor/golang.org/x/net/context/context.go index e7ee376c4..d3681ab42 100644 --- a/vendor/golang.org/x/net/context/context.go +++ b/vendor/golang.org/x/net/context/context.go @@ -7,7 +7,7 @@ // and between processes. // // Incoming requests to a server should create a Context, and outgoing calls to -// servers should accept a Context. The chain of function calls between must +// servers should accept a Context. The chain of function calls between must // propagate the Context, optionally replacing it with a modified copy created // using WithDeadline, WithTimeout, WithCancel, or WithValue. // @@ -16,14 +16,14 @@ // propagation: // // Do not store Contexts inside a struct type; instead, pass a Context -// explicitly to each function that needs it. The Context should be the first +// explicitly to each function that needs it. The Context should be the first // parameter, typically named ctx: // // func DoSomething(ctx context.Context, arg Arg) error { // // ... use ctx ... // } // -// Do not pass a nil Context, even if a function permits it. Pass context.TODO +// Do not pass a nil Context, even if a function permits it. Pass context.TODO // if you are unsure about which Context to use. // // Use context Values only for request-scoped data that transits processes and @@ -36,412 +36,19 @@ // Contexts. package context // import "golang.org/x/net/context" -import ( - "errors" - "fmt" - "sync" - "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{} -} - -// Canceled is the error returned by Context.Err when the context is canceled. -var Canceled = errors.New("context canceled") - -// DeadlineExceeded is the error returned by Context.Err when the context's -// deadline passes. -var DeadlineExceeded = errors.New("context deadline exceeded") - -// An emptyCtx is never canceled, has no values, and has no deadline. It is not -// struct{}, since vars of this type must have distinct addresses. -type emptyCtx int - -func (*emptyCtx) Deadline() (deadline time.Time, ok bool) { - return -} - -func (*emptyCtx) Done() <-chan struct{} { - return nil -} - -func (*emptyCtx) Err() error { - return nil -} - -func (*emptyCtx) Value(key interface{}) interface{} { - return nil -} - -func (e *emptyCtx) String() string { - switch e { - case background: - return "context.Background" - case todo: - return "context.TODO" - } - return "unknown empty Context" -} - -var ( - background = new(emptyCtx) - todo = new(emptyCtx) -) - // 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, +// values, and has no deadline. It is typically used by the main function, // initialization, and tests, and as the top-level Context for incoming // requests. func Background() Context { return background } -// TODO returns a non-nil, empty Context. Code should use context.TODO when -// it's unclear which Context to use or it's is not yet available (because the +// TODO returns a non-nil, empty Context. Code should use context.TODO when +// it's unclear which Context to use or it is not yet available (because the // surrounding function has not yet been extended to accept a Context // parameter). TODO is recognized by static analysis tools that determine // whether Contexts are propagated correctly in a program. 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() - -// WithCancel returns a copy of parent with a new Done channel. The returned -// context's Done channel is closed when the returned cancel function is called -// or when the parent context's Done channel is closed, whichever happens first. -// -// Canceling this context releases resources associated with it, so code should -// call cancel as soon as the operations running in this Context complete. -func WithCancel(parent Context) (ctx Context, cancel CancelFunc) { - c := newCancelCtx(parent) - propagateCancel(parent, &c) - return &c, func() { c.cancel(true, Canceled) } -} - -// newCancelCtx returns an initialized cancelCtx. -func newCancelCtx(parent Context) cancelCtx { - return cancelCtx{ - Context: parent, - done: make(chan struct{}), - } -} - -// propagateCancel arranges for child to be canceled when parent is. -func propagateCancel(parent Context, child canceler) { - if parent.Done() == nil { - return // parent is never canceled - } - if p, ok := parentCancelCtx(parent); ok { - p.mu.Lock() - if p.err != nil { - // parent has already been canceled - child.cancel(false, p.err) - } else { - if p.children == nil { - p.children = make(map[canceler]bool) - } - p.children[child] = true - } - p.mu.Unlock() - } else { - go func() { - select { - case <-parent.Done(): - child.cancel(false, parent.Err()) - case <-child.Done(): - } - }() - } -} - -// parentCancelCtx follows a chain of parent references until it finds a -// *cancelCtx. This function understands how each of the concrete types in this -// package represents its parent. -func parentCancelCtx(parent Context) (*cancelCtx, bool) { - for { - switch c := parent.(type) { - case *cancelCtx: - return c, true - case *timerCtx: - return &c.cancelCtx, true - case *valueCtx: - parent = c.Context - default: - return nil, false - } - } -} - -// removeChild removes a context from its parent. -func removeChild(parent Context, child canceler) { - p, ok := parentCancelCtx(parent) - if !ok { - return - } - p.mu.Lock() - if p.children != nil { - delete(p.children, child) - } - p.mu.Unlock() -} - -// A canceler is a context type that can be canceled directly. The -// implementations are *cancelCtx and *timerCtx. -type canceler interface { - cancel(removeFromParent bool, err error) - Done() <-chan struct{} -} - -// A cancelCtx can be canceled. When canceled, it also cancels any children -// that implement canceler. -type cancelCtx struct { - Context - - done chan struct{} // closed by the first cancel call. - - mu sync.Mutex - children map[canceler]bool // set to nil by the first cancel call - err error // set to non-nil by the first cancel call -} - -func (c *cancelCtx) Done() <-chan struct{} { - return c.done -} - -func (c *cancelCtx) Err() error { - c.mu.Lock() - defer c.mu.Unlock() - return c.err -} - -func (c *cancelCtx) String() string { - return fmt.Sprintf("%v.WithCancel", c.Context) -} - -// cancel closes c.done, cancels each of c's children, and, if -// removeFromParent is true, removes c from its parent's children. -func (c *cancelCtx) cancel(removeFromParent bool, err error) { - if err == nil { - panic("context: internal error: missing cancel error") - } - c.mu.Lock() - if c.err != nil { - c.mu.Unlock() - return // already canceled - } - c.err = err - close(c.done) - for child := range c.children { - // NOTE: acquiring the child's lock while holding parent's lock. - child.cancel(false, err) - } - c.children = nil - c.mu.Unlock() - - if removeFromParent { - removeChild(c.Context, c) - } -} - -// WithDeadline returns a copy of the parent context with the deadline adjusted -// to be no later than d. If the parent's deadline is already earlier than d, -// WithDeadline(parent, d) is semantically equivalent to parent. The returned -// context's Done channel is closed when the deadline expires, when the returned -// cancel function is called, or when the parent context's Done channel is -// closed, whichever happens first. -// -// Canceling this context releases resources associated with it, so code should -// call cancel as soon as the operations running in this Context complete. -func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc) { - if cur, ok := parent.Deadline(); ok && cur.Before(deadline) { - // The current deadline is already sooner than the new one. - return WithCancel(parent) - } - c := &timerCtx{ - cancelCtx: newCancelCtx(parent), - deadline: deadline, - } - propagateCancel(parent, c) - d := deadline.Sub(time.Now()) - if d <= 0 { - c.cancel(true, DeadlineExceeded) // deadline has already passed - return c, func() { c.cancel(true, Canceled) } - } - c.mu.Lock() - defer c.mu.Unlock() - if c.err == nil { - c.timer = time.AfterFunc(d, func() { - c.cancel(true, DeadlineExceeded) - }) - } - return c, func() { c.cancel(true, Canceled) } -} - -// A timerCtx carries a timer and a deadline. It embeds a cancelCtx to -// implement Done and Err. It implements cancel by stopping its timer then -// delegating to cancelCtx.cancel. -type timerCtx struct { - cancelCtx - timer *time.Timer // Under cancelCtx.mu. - - deadline time.Time -} - -func (c *timerCtx) Deadline() (deadline time.Time, ok bool) { - return c.deadline, true -} - -func (c *timerCtx) String() string { - return fmt.Sprintf("%v.WithDeadline(%s [%s])", c.cancelCtx.Context, c.deadline, c.deadline.Sub(time.Now())) -} - -func (c *timerCtx) cancel(removeFromParent bool, err error) { - c.cancelCtx.cancel(false, err) - if removeFromParent { - // Remove this timerCtx from its parent cancelCtx's children. - removeChild(c.cancelCtx.Context, c) - } - c.mu.Lock() - if c.timer != nil { - c.timer.Stop() - c.timer = nil - } - c.mu.Unlock() -} - -// WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)). -// -// Canceling this context releases resources associated with it, so code should -// call cancel as soon as the operations running in this Context complete: -// -// func slowOperationWithTimeout(ctx context.Context) (Result, error) { -// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond) -// defer cancel() // releases resources if slowOperation completes before timeout elapses -// return slowOperation(ctx) -// } -func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) { - return WithDeadline(parent, time.Now().Add(timeout)) -} - -// WithValue returns a copy of parent in which the value associated with key is -// val. -// -// Use context Values only for request-scoped data that transits processes and -// APIs, not for passing optional parameters to functions. -func WithValue(parent Context, key interface{}, val interface{}) Context { - return &valueCtx{parent, key, val} -} - -// A valueCtx carries a key-value pair. It implements Value for that key and -// delegates all other calls to the embedded Context. -type valueCtx struct { - Context - key, val interface{} -} - -func (c *valueCtx) String() string { - return fmt.Sprintf("%v.WithValue(%#v, %#v)", c.Context, c.key, c.val) -} - -func (c *valueCtx) Value(key interface{}) interface{} { - if c.key == key { - return c.val - } - return c.Context.Value(key) -} diff --git a/vendor/golang.org/x/net/context/context_test.go b/vendor/golang.org/x/net/context/context_test.go deleted file mode 100644 index 05345fc5e..000000000 --- a/vendor/golang.org/x/net/context/context_test.go +++ /dev/null @@ -1,575 +0,0 @@ -// 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. - -package context - -import ( - "fmt" - "math/rand" - "runtime" - "strings" - "sync" - "testing" - "time" -) - -// otherContext is a Context that's not one of the types defined in context.go. -// This lets us test code paths that differ based on the underlying type of the -// Context. -type otherContext struct { - Context -} - -func TestBackground(t *testing.T) { - c := Background() - if c == nil { - t.Fatalf("Background returned nil") - } - select { - case x := <-c.Done(): - t.Errorf("<-c.Done() == %v want nothing (it should block)", x) - default: - } - if got, want := fmt.Sprint(c), "context.Background"; got != want { - t.Errorf("Background().String() = %q want %q", got, want) - } -} - -func TestTODO(t *testing.T) { - c := TODO() - if c == nil { - t.Fatalf("TODO returned nil") - } - select { - case x := <-c.Done(): - t.Errorf("<-c.Done() == %v want nothing (it should block)", x) - default: - } - if got, want := fmt.Sprint(c), "context.TODO"; got != want { - t.Errorf("TODO().String() = %q want %q", got, want) - } -} - -func TestWithCancel(t *testing.T) { - c1, cancel := WithCancel(Background()) - - if got, want := fmt.Sprint(c1), "context.Background.WithCancel"; got != want { - t.Errorf("c1.String() = %q want %q", got, want) - } - - o := otherContext{c1} - c2, _ := WithCancel(o) - contexts := []Context{c1, o, c2} - - for i, c := range contexts { - if d := c.Done(); d == nil { - t.Errorf("c[%d].Done() == %v want non-nil", i, d) - } - if e := c.Err(); e != nil { - t.Errorf("c[%d].Err() == %v want nil", i, e) - } - - select { - case x := <-c.Done(): - t.Errorf("<-c.Done() == %v want nothing (it should block)", x) - default: - } - } - - cancel() - time.Sleep(100 * time.Millisecond) // let cancelation propagate - - for i, c := range contexts { - select { - case <-c.Done(): - default: - t.Errorf("<-c[%d].Done() blocked, but shouldn't have", i) - } - if e := c.Err(); e != Canceled { - t.Errorf("c[%d].Err() == %v want %v", i, e, Canceled) - } - } -} - -func TestParentFinishesChild(t *testing.T) { - // Context tree: - // parent -> cancelChild - // parent -> valueChild -> timerChild - parent, cancel := WithCancel(Background()) - cancelChild, stop := WithCancel(parent) - defer stop() - valueChild := WithValue(parent, "key", "value") - timerChild, stop := WithTimeout(valueChild, 10000*time.Hour) - defer stop() - - select { - case x := <-parent.Done(): - t.Errorf("<-parent.Done() == %v want nothing (it should block)", x) - case x := <-cancelChild.Done(): - t.Errorf("<-cancelChild.Done() == %v want nothing (it should block)", x) - case x := <-timerChild.Done(): - t.Errorf("<-timerChild.Done() == %v want nothing (it should block)", x) - case x := <-valueChild.Done(): - t.Errorf("<-valueChild.Done() == %v want nothing (it should block)", x) - default: - } - - // The parent's children should contain the two cancelable children. - pc := parent.(*cancelCtx) - cc := cancelChild.(*cancelCtx) - tc := timerChild.(*timerCtx) - pc.mu.Lock() - if len(pc.children) != 2 || !pc.children[cc] || !pc.children[tc] { - t.Errorf("bad linkage: pc.children = %v, want %v and %v", - pc.children, cc, tc) - } - pc.mu.Unlock() - - if p, ok := parentCancelCtx(cc.Context); !ok || p != pc { - t.Errorf("bad linkage: parentCancelCtx(cancelChild.Context) = %v, %v want %v, true", p, ok, pc) - } - if p, ok := parentCancelCtx(tc.Context); !ok || p != pc { - t.Errorf("bad linkage: parentCancelCtx(timerChild.Context) = %v, %v want %v, true", p, ok, pc) - } - - cancel() - - pc.mu.Lock() - if len(pc.children) != 0 { - t.Errorf("pc.cancel didn't clear pc.children = %v", pc.children) - } - pc.mu.Unlock() - - // parent and children should all be finished. - check := func(ctx Context, name string) { - select { - case <-ctx.Done(): - default: - t.Errorf("<-%s.Done() blocked, but shouldn't have", name) - } - if e := ctx.Err(); e != Canceled { - t.Errorf("%s.Err() == %v want %v", name, e, Canceled) - } - } - check(parent, "parent") - check(cancelChild, "cancelChild") - check(valueChild, "valueChild") - check(timerChild, "timerChild") - - // WithCancel should return a canceled context on a canceled parent. - precanceledChild := WithValue(parent, "key", "value") - select { - case <-precanceledChild.Done(): - default: - t.Errorf("<-precanceledChild.Done() blocked, but shouldn't have") - } - if e := precanceledChild.Err(); e != Canceled { - t.Errorf("precanceledChild.Err() == %v want %v", e, Canceled) - } -} - -func TestChildFinishesFirst(t *testing.T) { - cancelable, stop := WithCancel(Background()) - defer stop() - for _, parent := range []Context{Background(), cancelable} { - child, cancel := WithCancel(parent) - - select { - case x := <-parent.Done(): - t.Errorf("<-parent.Done() == %v want nothing (it should block)", x) - case x := <-child.Done(): - t.Errorf("<-child.Done() == %v want nothing (it should block)", x) - default: - } - - cc := child.(*cancelCtx) - pc, pcok := parent.(*cancelCtx) // pcok == false when parent == Background() - if p, ok := parentCancelCtx(cc.Context); ok != pcok || (ok && pc != p) { - t.Errorf("bad linkage: parentCancelCtx(cc.Context) = %v, %v want %v, %v", p, ok, pc, pcok) - } - - if pcok { - pc.mu.Lock() - if len(pc.children) != 1 || !pc.children[cc] { - t.Errorf("bad linkage: pc.children = %v, cc = %v", pc.children, cc) - } - pc.mu.Unlock() - } - - cancel() - - if pcok { - pc.mu.Lock() - if len(pc.children) != 0 { - t.Errorf("child's cancel didn't remove self from pc.children = %v", pc.children) - } - pc.mu.Unlock() - } - - // child should be finished. - select { - case <-child.Done(): - default: - t.Errorf("<-child.Done() blocked, but shouldn't have") - } - if e := child.Err(); e != Canceled { - t.Errorf("child.Err() == %v want %v", e, Canceled) - } - - // parent should not be finished. - select { - case x := <-parent.Done(): - t.Errorf("<-parent.Done() == %v want nothing (it should block)", x) - default: - } - if e := parent.Err(); e != nil { - t.Errorf("parent.Err() == %v want nil", e) - } - } -} - -func testDeadline(c Context, wait time.Duration, t *testing.T) { - select { - case <-time.After(wait): - t.Fatalf("context should have timed out") - case <-c.Done(): - } - if e := c.Err(); e != DeadlineExceeded { - t.Errorf("c.Err() == %v want %v", e, DeadlineExceeded) - } -} - -func TestDeadline(t *testing.T) { - c, _ := WithDeadline(Background(), time.Now().Add(100*time.Millisecond)) - if got, prefix := fmt.Sprint(c), "context.Background.WithDeadline("; !strings.HasPrefix(got, prefix) { - t.Errorf("c.String() = %q want prefix %q", got, prefix) - } - testDeadline(c, 200*time.Millisecond, t) - - c, _ = WithDeadline(Background(), time.Now().Add(100*time.Millisecond)) - o := otherContext{c} - testDeadline(o, 200*time.Millisecond, t) - - c, _ = WithDeadline(Background(), time.Now().Add(100*time.Millisecond)) - o = otherContext{c} - c, _ = WithDeadline(o, time.Now().Add(300*time.Millisecond)) - testDeadline(c, 200*time.Millisecond, t) -} - -func TestTimeout(t *testing.T) { - c, _ := WithTimeout(Background(), 100*time.Millisecond) - if got, prefix := fmt.Sprint(c), "context.Background.WithDeadline("; !strings.HasPrefix(got, prefix) { - t.Errorf("c.String() = %q want prefix %q", got, prefix) - } - testDeadline(c, 200*time.Millisecond, t) - - c, _ = WithTimeout(Background(), 100*time.Millisecond) - o := otherContext{c} - testDeadline(o, 200*time.Millisecond, t) - - c, _ = WithTimeout(Background(), 100*time.Millisecond) - o = otherContext{c} - c, _ = WithTimeout(o, 300*time.Millisecond) - testDeadline(c, 200*time.Millisecond, t) -} - -func TestCanceledTimeout(t *testing.T) { - c, _ := WithTimeout(Background(), 200*time.Millisecond) - o := otherContext{c} - c, cancel := WithTimeout(o, 400*time.Millisecond) - cancel() - time.Sleep(100 * time.Millisecond) // let cancelation propagate - select { - case <-c.Done(): - default: - t.Errorf("<-c.Done() blocked, but shouldn't have") - } - if e := c.Err(); e != Canceled { - t.Errorf("c.Err() == %v want %v", e, Canceled) - } -} - -type key1 int -type key2 int - -var k1 = key1(1) -var k2 = key2(1) // same int as k1, different type -var k3 = key2(3) // same type as k2, different int - -func TestValues(t *testing.T) { - check := func(c Context, nm, v1, v2, v3 string) { - if v, ok := c.Value(k1).(string); ok == (len(v1) == 0) || v != v1 { - t.Errorf(`%s.Value(k1).(string) = %q, %t want %q, %t`, nm, v, ok, v1, len(v1) != 0) - } - if v, ok := c.Value(k2).(string); ok == (len(v2) == 0) || v != v2 { - t.Errorf(`%s.Value(k2).(string) = %q, %t want %q, %t`, nm, v, ok, v2, len(v2) != 0) - } - if v, ok := c.Value(k3).(string); ok == (len(v3) == 0) || v != v3 { - t.Errorf(`%s.Value(k3).(string) = %q, %t want %q, %t`, nm, v, ok, v3, len(v3) != 0) - } - } - - c0 := Background() - check(c0, "c0", "", "", "") - - c1 := WithValue(Background(), k1, "c1k1") - check(c1, "c1", "c1k1", "", "") - - if got, want := fmt.Sprint(c1), `context.Background.WithValue(1, "c1k1")`; got != want { - t.Errorf("c.String() = %q want %q", got, want) - } - - c2 := WithValue(c1, k2, "c2k2") - check(c2, "c2", "c1k1", "c2k2", "") - - c3 := WithValue(c2, k3, "c3k3") - check(c3, "c2", "c1k1", "c2k2", "c3k3") - - c4 := WithValue(c3, k1, nil) - check(c4, "c4", "", "c2k2", "c3k3") - - o0 := otherContext{Background()} - check(o0, "o0", "", "", "") - - o1 := otherContext{WithValue(Background(), k1, "c1k1")} - check(o1, "o1", "c1k1", "", "") - - o2 := WithValue(o1, k2, "o2k2") - check(o2, "o2", "c1k1", "o2k2", "") - - o3 := otherContext{c4} - check(o3, "o3", "", "c2k2", "c3k3") - - o4 := WithValue(o3, k3, nil) - check(o4, "o4", "", "c2k2", "") -} - -func TestAllocs(t *testing.T) { - bg := Background() - for _, test := range []struct { - desc string - f func() - limit float64 - gccgoLimit float64 - }{ - { - desc: "Background()", - f: func() { Background() }, - limit: 0, - gccgoLimit: 0, - }, - { - desc: fmt.Sprintf("WithValue(bg, %v, nil)", k1), - f: func() { - c := WithValue(bg, k1, nil) - c.Value(k1) - }, - limit: 3, - gccgoLimit: 3, - }, - { - desc: "WithTimeout(bg, 15*time.Millisecond)", - f: func() { - c, _ := WithTimeout(bg, 15*time.Millisecond) - <-c.Done() - }, - limit: 8, - gccgoLimit: 15, - }, - { - desc: "WithCancel(bg)", - f: func() { - c, cancel := WithCancel(bg) - cancel() - <-c.Done() - }, - limit: 5, - gccgoLimit: 8, - }, - { - desc: "WithTimeout(bg, 100*time.Millisecond)", - f: func() { - c, cancel := WithTimeout(bg, 100*time.Millisecond) - cancel() - <-c.Done() - }, - limit: 8, - gccgoLimit: 25, - }, - } { - limit := test.limit - if runtime.Compiler == "gccgo" { - // gccgo does not yet do escape analysis. - // TOOD(iant): Remove this when gccgo does do escape analysis. - limit = test.gccgoLimit - } - if n := testing.AllocsPerRun(100, test.f); n > limit { - t.Errorf("%s allocs = %f want %d", test.desc, n, int(limit)) - } - } -} - -func TestSimultaneousCancels(t *testing.T) { - root, cancel := WithCancel(Background()) - m := map[Context]CancelFunc{root: cancel} - q := []Context{root} - // Create a tree of contexts. - for len(q) != 0 && len(m) < 100 { - parent := q[0] - q = q[1:] - for i := 0; i < 4; i++ { - ctx, cancel := WithCancel(parent) - m[ctx] = cancel - q = append(q, ctx) - } - } - // Start all the cancels in a random order. - var wg sync.WaitGroup - wg.Add(len(m)) - for _, cancel := range m { - go func(cancel CancelFunc) { - cancel() - wg.Done() - }(cancel) - } - // Wait on all the contexts in a random order. - for ctx := range m { - select { - case <-ctx.Done(): - case <-time.After(1 * time.Second): - buf := make([]byte, 10<<10) - n := runtime.Stack(buf, true) - t.Fatalf("timed out waiting for <-ctx.Done(); stacks:\n%s", buf[:n]) - } - } - // Wait for all the cancel functions to return. - done := make(chan struct{}) - go func() { - wg.Wait() - close(done) - }() - select { - case <-done: - case <-time.After(1 * time.Second): - buf := make([]byte, 10<<10) - n := runtime.Stack(buf, true) - t.Fatalf("timed out waiting for cancel functions; stacks:\n%s", buf[:n]) - } -} - -func TestInterlockedCancels(t *testing.T) { - parent, cancelParent := WithCancel(Background()) - child, cancelChild := WithCancel(parent) - go func() { - parent.Done() - cancelChild() - }() - cancelParent() - select { - case <-child.Done(): - case <-time.After(1 * time.Second): - buf := make([]byte, 10<<10) - n := runtime.Stack(buf, true) - t.Fatalf("timed out waiting for child.Done(); stacks:\n%s", buf[:n]) - } -} - -func TestLayersCancel(t *testing.T) { - testLayers(t, time.Now().UnixNano(), false) -} - -func TestLayersTimeout(t *testing.T) { - testLayers(t, time.Now().UnixNano(), true) -} - -func testLayers(t *testing.T, seed int64, testTimeout bool) { - rand.Seed(seed) - errorf := func(format string, a ...interface{}) { - t.Errorf(fmt.Sprintf("seed=%d: %s", seed, format), a...) - } - const ( - timeout = 200 * time.Millisecond - minLayers = 30 - ) - type value int - var ( - vals []*value - cancels []CancelFunc - numTimers int - ctx = Background() - ) - for i := 0; i < minLayers || numTimers == 0 || len(cancels) == 0 || len(vals) == 0; i++ { - switch rand.Intn(3) { - case 0: - v := new(value) - ctx = WithValue(ctx, v, v) - vals = append(vals, v) - case 1: - var cancel CancelFunc - ctx, cancel = WithCancel(ctx) - cancels = append(cancels, cancel) - case 2: - var cancel CancelFunc - ctx, cancel = WithTimeout(ctx, timeout) - cancels = append(cancels, cancel) - numTimers++ - } - } - checkValues := func(when string) { - for _, key := range vals { - if val := ctx.Value(key).(*value); key != val { - errorf("%s: ctx.Value(%p) = %p want %p", when, key, val, key) - } - } - } - select { - case <-ctx.Done(): - errorf("ctx should not be canceled yet") - default: - } - if s, prefix := fmt.Sprint(ctx), "context.Background."; !strings.HasPrefix(s, prefix) { - t.Errorf("ctx.String() = %q want prefix %q", s, prefix) - } - t.Log(ctx) - checkValues("before cancel") - if testTimeout { - select { - case <-ctx.Done(): - case <-time.After(timeout + 100*time.Millisecond): - errorf("ctx should have timed out") - } - checkValues("after timeout") - } else { - cancel := cancels[rand.Intn(len(cancels))] - cancel() - select { - case <-ctx.Done(): - default: - errorf("ctx should be canceled") - } - checkValues("after cancel") - } -} - -func TestCancelRemoves(t *testing.T) { - checkChildren := func(when string, ctx Context, want int) { - if got := len(ctx.(*cancelCtx).children); got != want { - t.Errorf("%s: context has %d children, want %d", when, got, want) - } - } - - ctx, _ := WithCancel(Background()) - checkChildren("after creation", ctx, 0) - _, cancel := WithCancel(ctx) - checkChildren("with WithCancel child ", ctx, 1) - cancel() - checkChildren("after cancelling WithCancel child", ctx, 0) - - ctx, _ = WithCancel(Background()) - checkChildren("after creation", ctx, 0) - _, cancel = WithTimeout(ctx, 60*time.Minute) - checkChildren("with WithTimeout child ", ctx, 1) - cancel() - checkChildren("after cancelling WithTimeout child", ctx, 0) -} diff --git a/vendor/golang.org/x/net/context/ctxhttp/cancelreq.go b/vendor/golang.org/x/net/context/ctxhttp/cancelreq.go deleted file mode 100644 index 48610e362..000000000 --- a/vendor/golang.org/x/net/context/ctxhttp/cancelreq.go +++ /dev/null @@ -1,18 +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 go1.5 - -package ctxhttp - -import "net/http" - -func canceler(client *http.Client, req *http.Request) func() { - ch := make(chan struct{}) - req.Cancel = ch - - return func() { - close(ch) - } -} diff --git a/vendor/golang.org/x/net/context/ctxhttp/cancelreq_go14.go b/vendor/golang.org/x/net/context/ctxhttp/cancelreq_go14.go deleted file mode 100644 index 56bcbadb8..000000000 --- a/vendor/golang.org/x/net/context/ctxhttp/cancelreq_go14.go +++ /dev/null @@ -1,23 +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 !go1.5 - -package ctxhttp - -import "net/http" - -type requestCanceler interface { - CancelRequest(*http.Request) -} - -func canceler(client *http.Client, req *http.Request) func() { - rc, ok := client.Transport.(requestCanceler) - if !ok { - return func() {} - } - return func() { - rc.CancelRequest(req) - } -} diff --git a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go index 504dd63ed..606cf1f97 100644 --- a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go +++ b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp.go @@ -1,7 +1,9 @@ -// Copyright 2015 The Go Authors. All rights reserved. +// 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 ctxhttp provides helper functions for performing context-aware HTTP requests. package ctxhttp // import "golang.org/x/net/context/ctxhttp" @@ -14,35 +16,28 @@ import ( "golang.org/x/net/context" ) -// Do sends an HTTP request with the provided http.Client and returns an HTTP response. +// Do sends an HTTP request with the provided http.Client and returns +// an HTTP response. +// // If the client is nil, http.DefaultClient is used. -// If the context is canceled or times out, ctx.Err() will be returned. +// +// The provided ctx must be non-nil. If it is canceled or times out, +// ctx.Err() will be returned. func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) { if client == nil { client = http.DefaultClient } - - // Request cancelation changed in Go 1.5, see cancelreq.go and cancelreq_go14.go. - cancel := canceler(client, req) - - type responseAndError struct { - resp *http.Response - err error - } - result := make(chan responseAndError, 1) - - go func() { - resp, err := client.Do(req) - result <- responseAndError{resp, err} - }() - - select { - case <-ctx.Done(): - cancel() - return nil, ctx.Err() - case r := <-result: - return r.resp, r.err + resp, err := client.Do(req.WithContext(ctx)) + // If we got an error, and the context has been canceled, + // the context's error is probably more useful. + if err != nil { + select { + case <-ctx.Done(): + err = ctx.Err() + default: + } } + return resp, err } // Get issues a GET request via the Do function. diff --git a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go new file mode 100644 index 000000000..926870cc2 --- /dev/null +++ b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_pre17.go @@ -0,0 +1,147 @@ +// 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 !go1.7 + +package ctxhttp // import "golang.org/x/net/context/ctxhttp" + +import ( + "io" + "net/http" + "net/url" + "strings" + + "golang.org/x/net/context" +) + +func nop() {} + +var ( + testHookContextDoneBeforeHeaders = nop + testHookDoReturned = nop + testHookDidBodyClose = nop +) + +// Do sends an HTTP request with the provided http.Client and returns an HTTP response. +// If the client is nil, http.DefaultClient is used. +// If the context is canceled or times out, ctx.Err() will be returned. +func Do(ctx context.Context, client *http.Client, req *http.Request) (*http.Response, error) { + if client == nil { + client = http.DefaultClient + } + + // TODO(djd): Respect any existing value of req.Cancel. + cancel := make(chan struct{}) + req.Cancel = cancel + + type responseAndError struct { + resp *http.Response + err error + } + result := make(chan responseAndError, 1) + + // Make local copies of test hooks closed over by goroutines below. + // Prevents data races in tests. + testHookDoReturned := testHookDoReturned + testHookDidBodyClose := testHookDidBodyClose + + go func() { + resp, err := client.Do(req) + testHookDoReturned() + result <- responseAndError{resp, err} + }() + + var resp *http.Response + + select { + case <-ctx.Done(): + testHookContextDoneBeforeHeaders() + close(cancel) + // Clean up after the goroutine calling client.Do: + go func() { + if r := <-result; r.resp != nil { + testHookDidBodyClose() + r.resp.Body.Close() + } + }() + return nil, ctx.Err() + case r := <-result: + var err error + resp, err = r.resp, r.err + if err != nil { + return resp, err + } + } + + c := make(chan struct{}) + go func() { + select { + case <-ctx.Done(): + close(cancel) + case <-c: + // The response's Body is closed. + } + }() + resp.Body = ¬ifyingReader{resp.Body, c} + + return resp, nil +} + +// Get issues a GET request via the Do function. +func Get(ctx context.Context, client *http.Client, url string) (*http.Response, error) { + req, err := http.NewRequest("GET", url, nil) + if err != nil { + return nil, err + } + return Do(ctx, client, req) +} + +// Head issues a HEAD request via the Do function. +func Head(ctx context.Context, client *http.Client, url string) (*http.Response, error) { + req, err := http.NewRequest("HEAD", url, nil) + if err != nil { + return nil, err + } + return Do(ctx, client, req) +} + +// Post issues a POST request via the Do function. +func Post(ctx context.Context, client *http.Client, url string, bodyType string, body io.Reader) (*http.Response, error) { + req, err := http.NewRequest("POST", url, body) + if err != nil { + return nil, err + } + req.Header.Set("Content-Type", bodyType) + return Do(ctx, client, req) +} + +// PostForm issues a POST request via the Do function. +func PostForm(ctx context.Context, client *http.Client, url string, data url.Values) (*http.Response, error) { + return Post(ctx, client, url, "application/x-www-form-urlencoded", strings.NewReader(data.Encode())) +} + +// notifyingReader is an io.ReadCloser that closes the notify channel after +// Close is called or a Read fails on the underlying ReadCloser. +type notifyingReader struct { + io.ReadCloser + notify chan<- struct{} +} + +func (r *notifyingReader) Read(p []byte) (int, error) { + n, err := r.ReadCloser.Read(p) + if err != nil && r.notify != nil { + close(r.notify) + r.notify = nil + } + return n, err +} + +func (r *notifyingReader) Close() error { + err := r.ReadCloser.Close() + if r.notify != nil { + close(r.notify) + r.notify = nil + } + return err +} diff --git a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_test.go b/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_test.go deleted file mode 100644 index 47b53d7f1..000000000 --- a/vendor/golang.org/x/net/context/ctxhttp/ctxhttp_test.go +++ /dev/null @@ -1,72 +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. - -package ctxhttp - -import ( - "io/ioutil" - "net/http" - "net/http/httptest" - "testing" - "time" - - "golang.org/x/net/context" -) - -const ( - requestDuration = 100 * time.Millisecond - requestBody = "ok" -) - -func TestNoTimeout(t *testing.T) { - ctx := context.Background() - resp, err := doRequest(ctx) - - if resp == nil || err != nil { - t.Fatalf("error received from client: %v %v", err, resp) - } -} -func TestCancel(t *testing.T) { - ctx, cancel := context.WithCancel(context.Background()) - go func() { - time.Sleep(requestDuration / 2) - cancel() - }() - - resp, err := doRequest(ctx) - - if resp != nil || err == nil { - t.Fatalf("expected error, didn't get one. resp: %v", resp) - } - if err != ctx.Err() { - t.Fatalf("expected error from context but got: %v", err) - } -} - -func TestCancelAfterRequest(t *testing.T) { - ctx, cancel := context.WithCancel(context.Background()) - - resp, err := doRequest(ctx) - - // Cancel before reading the body. - // Request.Body should still be readable after the context is canceled. - cancel() - - b, err := ioutil.ReadAll(resp.Body) - if err != nil || string(b) != requestBody { - t.Fatalf("could not read body: %q %v", b, err) - } -} - -func doRequest(ctx context.Context) (*http.Response, error) { - var okHandler = http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) { - time.Sleep(requestDuration) - w.Write([]byte(requestBody)) - }) - - serv := httptest.NewServer(okHandler) - defer serv.Close() - - return Get(ctx, nil, serv.URL) -} diff --git a/vendor/golang.org/x/net/context/go17.go b/vendor/golang.org/x/net/context/go17.go new file mode 100644 index 000000000..d20f52b7d --- /dev/null +++ b/vendor/golang.org/x/net/context/go17.go @@ -0,0 +1,72 @@ +// 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 context + +import ( + "context" // standard library's context, as of Go 1.7 + "time" +) + +var ( + todo = context.TODO() + background = context.Background() +) + +// Canceled is the error returned by Context.Err when the context is canceled. +var Canceled = context.Canceled + +// DeadlineExceeded is the error returned by Context.Err when the context's +// deadline passes. +var DeadlineExceeded = context.DeadlineExceeded + +// WithCancel returns a copy of parent with a new Done channel. The returned +// context's Done channel is closed when the returned cancel function is called +// or when the parent context's Done channel is closed, whichever happens first. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func WithCancel(parent Context) (ctx Context, cancel CancelFunc) { + ctx, f := context.WithCancel(parent) + return ctx, CancelFunc(f) +} + +// WithDeadline returns a copy of the parent context with the deadline adjusted +// to be no later than d. If the parent's deadline is already earlier than d, +// WithDeadline(parent, d) is semantically equivalent to parent. The returned +// context's Done channel is closed when the deadline expires, when the returned +// cancel function is called, or when the parent context's Done channel is +// closed, whichever happens first. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc) { + ctx, f := context.WithDeadline(parent, deadline) + return ctx, CancelFunc(f) +} + +// WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)). +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete: +// +// func slowOperationWithTimeout(ctx context.Context) (Result, error) { +// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond) +// defer cancel() // releases resources if slowOperation completes before timeout elapses +// return slowOperation(ctx) +// } +func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) { + return WithDeadline(parent, time.Now().Add(timeout)) +} + +// WithValue returns a copy of parent in which the value associated with key is +// val. +// +// Use context Values only for request-scoped data that transits processes and +// APIs, not for passing optional parameters to functions. +func WithValue(parent Context, key interface{}, val interface{}) Context { + return context.WithValue(parent, key, val) +} diff --git a/vendor/golang.org/x/net/context/go19.go b/vendor/golang.org/x/net/context/go19.go new file mode 100644 index 000000000..d88bd1db1 --- /dev/null +++ b/vendor/golang.org/x/net/context/go19.go @@ -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 diff --git a/vendor/golang.org/x/net/context/pre_go17.go b/vendor/golang.org/x/net/context/pre_go17.go new file mode 100644 index 000000000..0f35592df --- /dev/null +++ b/vendor/golang.org/x/net/context/pre_go17.go @@ -0,0 +1,300 @@ +// 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 !go1.7 + +package context + +import ( + "errors" + "fmt" + "sync" + "time" +) + +// An emptyCtx is never canceled, has no values, and has no deadline. It is not +// struct{}, since vars of this type must have distinct addresses. +type emptyCtx int + +func (*emptyCtx) Deadline() (deadline time.Time, ok bool) { + return +} + +func (*emptyCtx) Done() <-chan struct{} { + return nil +} + +func (*emptyCtx) Err() error { + return nil +} + +func (*emptyCtx) Value(key interface{}) interface{} { + return nil +} + +func (e *emptyCtx) String() string { + switch e { + case background: + return "context.Background" + case todo: + return "context.TODO" + } + return "unknown empty Context" +} + +var ( + background = new(emptyCtx) + todo = new(emptyCtx) +) + +// Canceled is the error returned by Context.Err when the context is canceled. +var Canceled = errors.New("context canceled") + +// DeadlineExceeded is the error returned by Context.Err when the context's +// deadline passes. +var DeadlineExceeded = errors.New("context deadline exceeded") + +// WithCancel returns a copy of parent with a new Done channel. The returned +// context's Done channel is closed when the returned cancel function is called +// or when the parent context's Done channel is closed, whichever happens first. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func WithCancel(parent Context) (ctx Context, cancel CancelFunc) { + c := newCancelCtx(parent) + propagateCancel(parent, c) + return c, func() { c.cancel(true, Canceled) } +} + +// newCancelCtx returns an initialized cancelCtx. +func newCancelCtx(parent Context) *cancelCtx { + return &cancelCtx{ + Context: parent, + done: make(chan struct{}), + } +} + +// propagateCancel arranges for child to be canceled when parent is. +func propagateCancel(parent Context, child canceler) { + if parent.Done() == nil { + return // parent is never canceled + } + if p, ok := parentCancelCtx(parent); ok { + p.mu.Lock() + if p.err != nil { + // parent has already been canceled + child.cancel(false, p.err) + } else { + if p.children == nil { + p.children = make(map[canceler]bool) + } + p.children[child] = true + } + p.mu.Unlock() + } else { + go func() { + select { + case <-parent.Done(): + child.cancel(false, parent.Err()) + case <-child.Done(): + } + }() + } +} + +// parentCancelCtx follows a chain of parent references until it finds a +// *cancelCtx. This function understands how each of the concrete types in this +// package represents its parent. +func parentCancelCtx(parent Context) (*cancelCtx, bool) { + for { + switch c := parent.(type) { + case *cancelCtx: + return c, true + case *timerCtx: + return c.cancelCtx, true + case *valueCtx: + parent = c.Context + default: + return nil, false + } + } +} + +// removeChild removes a context from its parent. +func removeChild(parent Context, child canceler) { + p, ok := parentCancelCtx(parent) + if !ok { + return + } + p.mu.Lock() + if p.children != nil { + delete(p.children, child) + } + p.mu.Unlock() +} + +// A canceler is a context type that can be canceled directly. The +// implementations are *cancelCtx and *timerCtx. +type canceler interface { + cancel(removeFromParent bool, err error) + Done() <-chan struct{} +} + +// A cancelCtx can be canceled. When canceled, it also cancels any children +// that implement canceler. +type cancelCtx struct { + Context + + done chan struct{} // closed by the first cancel call. + + mu sync.Mutex + children map[canceler]bool // set to nil by the first cancel call + err error // set to non-nil by the first cancel call +} + +func (c *cancelCtx) Done() <-chan struct{} { + return c.done +} + +func (c *cancelCtx) Err() error { + c.mu.Lock() + defer c.mu.Unlock() + return c.err +} + +func (c *cancelCtx) String() string { + return fmt.Sprintf("%v.WithCancel", c.Context) +} + +// cancel closes c.done, cancels each of c's children, and, if +// removeFromParent is true, removes c from its parent's children. +func (c *cancelCtx) cancel(removeFromParent bool, err error) { + if err == nil { + panic("context: internal error: missing cancel error") + } + c.mu.Lock() + if c.err != nil { + c.mu.Unlock() + return // already canceled + } + c.err = err + close(c.done) + for child := range c.children { + // NOTE: acquiring the child's lock while holding parent's lock. + child.cancel(false, err) + } + c.children = nil + c.mu.Unlock() + + if removeFromParent { + removeChild(c.Context, c) + } +} + +// WithDeadline returns a copy of the parent context with the deadline adjusted +// to be no later than d. If the parent's deadline is already earlier than d, +// WithDeadline(parent, d) is semantically equivalent to parent. The returned +// context's Done channel is closed when the deadline expires, when the returned +// cancel function is called, or when the parent context's Done channel is +// closed, whichever happens first. +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete. +func WithDeadline(parent Context, deadline time.Time) (Context, CancelFunc) { + if cur, ok := parent.Deadline(); ok && cur.Before(deadline) { + // The current deadline is already sooner than the new one. + return WithCancel(parent) + } + c := &timerCtx{ + cancelCtx: newCancelCtx(parent), + deadline: deadline, + } + propagateCancel(parent, c) + d := deadline.Sub(time.Now()) + if d <= 0 { + c.cancel(true, DeadlineExceeded) // deadline has already passed + return c, func() { c.cancel(true, Canceled) } + } + c.mu.Lock() + defer c.mu.Unlock() + if c.err == nil { + c.timer = time.AfterFunc(d, func() { + c.cancel(true, DeadlineExceeded) + }) + } + return c, func() { c.cancel(true, Canceled) } +} + +// A timerCtx carries a timer and a deadline. It embeds a cancelCtx to +// implement Done and Err. It implements cancel by stopping its timer then +// delegating to cancelCtx.cancel. +type timerCtx struct { + *cancelCtx + timer *time.Timer // Under cancelCtx.mu. + + deadline time.Time +} + +func (c *timerCtx) Deadline() (deadline time.Time, ok bool) { + return c.deadline, true +} + +func (c *timerCtx) String() string { + return fmt.Sprintf("%v.WithDeadline(%s [%s])", c.cancelCtx.Context, c.deadline, c.deadline.Sub(time.Now())) +} + +func (c *timerCtx) cancel(removeFromParent bool, err error) { + c.cancelCtx.cancel(false, err) + if removeFromParent { + // Remove this timerCtx from its parent cancelCtx's children. + removeChild(c.cancelCtx.Context, c) + } + c.mu.Lock() + if c.timer != nil { + c.timer.Stop() + c.timer = nil + } + c.mu.Unlock() +} + +// WithTimeout returns WithDeadline(parent, time.Now().Add(timeout)). +// +// Canceling this context releases resources associated with it, so code should +// call cancel as soon as the operations running in this Context complete: +// +// func slowOperationWithTimeout(ctx context.Context) (Result, error) { +// ctx, cancel := context.WithTimeout(ctx, 100*time.Millisecond) +// defer cancel() // releases resources if slowOperation completes before timeout elapses +// return slowOperation(ctx) +// } +func WithTimeout(parent Context, timeout time.Duration) (Context, CancelFunc) { + return WithDeadline(parent, time.Now().Add(timeout)) +} + +// WithValue returns a copy of parent in which the value associated with key is +// val. +// +// Use context Values only for request-scoped data that transits processes and +// APIs, not for passing optional parameters to functions. +func WithValue(parent Context, key interface{}, val interface{}) Context { + return &valueCtx{parent, key, val} +} + +// A valueCtx carries a key-value pair. It implements Value for that key and +// delegates all other calls to the embedded Context. +type valueCtx struct { + Context + key, val interface{} +} + +func (c *valueCtx) String() string { + return fmt.Sprintf("%v.WithValue(%#v, %#v)", c.Context, c.key, c.val) +} + +func (c *valueCtx) Value(key interface{}) interface{} { + if c.key == key { + return c.val + } + return c.Context.Value(key) +} diff --git a/vendor/golang.org/x/net/context/pre_go19.go b/vendor/golang.org/x/net/context/pre_go19.go new file mode 100644 index 000000000..b105f80be --- /dev/null +++ b/vendor/golang.org/x/net/context/pre_go19.go @@ -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() diff --git a/vendor/golang.org/x/net/context/withtimeout_test.go b/vendor/golang.org/x/net/context/withtimeout_test.go deleted file mode 100644 index a6754dc36..000000000 --- a/vendor/golang.org/x/net/context/withtimeout_test.go +++ /dev/null @@ -1,26 +0,0 @@ -// 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. - -package context_test - -import ( - "fmt" - "time" - - "golang.org/x/net/context" -) - -func ExampleWithTimeout() { - // Pass a context with a timeout to tell a blocking function that it - // should abandon its work after the timeout elapses. - ctx, _ := context.WithTimeout(context.Background(), 100*time.Millisecond) - select { - case <-time.After(200 * time.Millisecond): - fmt.Println("overslept") - case <-ctx.Done(): - fmt.Println(ctx.Err()) // prints "context deadline exceeded" - } - // Output: - // context deadline exceeded -} diff --git a/vendor/manifest b/vendor/manifest index 938910213..ab156c7fe 100644 --- a/vendor/manifest +++ b/vendor/manifest @@ -1474,10 +1474,11 @@ { "importpath": "golang.org/x/net/context", "repository": "https://go.googlesource.com/net", - "vcs": "", - "revision": "2cba614e8ff920c60240d2677bc019af32ee04e5", + "vcs": "git", + "revision": "a04bdaca5b32abe1c069418fb7088ae607de5bd0", "branch": "master", - "path": "/context" + "path": "/context", + "notests": true }, { "importpath": "golang.org/x/net/http2",