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path: root/vendor/golang.org/x/net/proxy/dial.go
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Diffstat (limited to 'vendor/golang.org/x/net/proxy/dial.go')
-rw-r--r--vendor/golang.org/x/net/proxy/dial.go54
1 files changed, 0 insertions, 54 deletions
diff --git a/vendor/golang.org/x/net/proxy/dial.go b/vendor/golang.org/x/net/proxy/dial.go
deleted file mode 100644
index 811c2e4..0000000
--- a/vendor/golang.org/x/net/proxy/dial.go
+++ /dev/null
@@ -1,54 +0,0 @@
-// Copyright 2019 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 proxy
-
-import (
- "context"
- "net"
-)
-
-// A ContextDialer dials using a context.
-type ContextDialer interface {
- DialContext(ctx context.Context, network, address string) (net.Conn, error)
-}
-
-// Dial works like DialContext on net.Dialer but using a dialer returned by FromEnvironment.
-//
-// The passed ctx is only used for returning the Conn, not the lifetime of the Conn.
-//
-// Custom dialers (registered via RegisterDialerType) that do not implement ContextDialer
-// can leak a goroutine for as long as it takes the underlying Dialer implementation to timeout.
-//
-// A Conn returned from a successful Dial after the context has been cancelled will be immediately closed.
-func Dial(ctx context.Context, network, address string) (net.Conn, error) {
- d := FromEnvironment()
- if xd, ok := d.(ContextDialer); ok {
- return xd.DialContext(ctx, network, address)
- }
- return dialContext(ctx, d, network, address)
-}
-
-// WARNING: this can leak a goroutine for as long as the underlying Dialer implementation takes to timeout
-// A Conn returned from a successful Dial after the context has been cancelled will be immediately closed.
-func dialContext(ctx context.Context, d Dialer, network, address string) (net.Conn, error) {
- var (
- conn net.Conn
- done = make(chan struct{}, 1)
- err error
- )
- go func() {
- conn, err = d.Dial(network, address)
- close(done)
- if conn != nil && ctx.Err() != nil {
- conn.Close()
- }
- }()
- select {
- case <-ctx.Done():
- err = ctx.Err()
- case <-done:
- }
- return conn, err
-}