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transport.go
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transport.go
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/*
* ORBIT - Interlink Remote Applications
*
* The MIT License (MIT)
*
* Copyright (c) 2020 Roland Singer <roland.singer[at]desertbit.com>
* Copyright (c) 2020 Sebastian Borchers <sebastian[at]desertbit.com>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
* SOFTWARE.
*/
package yamux
import (
"context"
"crypto/tls"
"net"
"github.com/desertbit/closer/v3"
"github.com/desertbit/orbit/pkg/transport"
)
type yTransport struct {
opts *Options
}
func NewTransport(opts *Options) (t transport.Transport, err error) {
// Set the default options.
opts.setDefaults()
// Validate the options.
err = opts.validate()
if err != nil {
return
}
t = &yTransport{opts: opts}
return
}
func (t *yTransport) Dial(cl closer.Closer, ctx context.Context, addr string) (tc transport.Conn, err error) {
// Open the connection.
var conn net.Conn
if t.opts.TLSConfig != nil {
// TODO: Cancel is deprecated, remove once https://github.com/golang/go/issues/18482 is merged and replace with DialContext.
dl := &net.Dialer{Cancel: ctx.Done()}
conn, err = tls.DialWithDialer(dl, t.opts.Network, addr, t.opts.TLSConfig)
} else {
conn, err = (&net.Dialer{}).DialContext(ctx, t.opts.Network, addr)
}
if err != nil {
return
}
return newSession(cl, conn, false, t.opts.Config)
}
func (t *yTransport) Listen(cl closer.Closer, addr string) (tl transport.Listener, err error) {
// Create the listener.
var ln net.Listener
if t.opts.TLSConfig != nil {
ln, err = tls.Listen(t.opts.Network, addr, t.opts.TLSConfig)
} else {
ln, err = net.Listen(t.opts.Network, addr)
}
if err != nil {
return
}
return newListener(cl, ln, t.opts.Config), nil
}