本文整理汇总了Golang中github.com/Psiphon-Inc/crypto/ssh.NewChannel.Accept方法的典型用法代码示例。如果您正苦于以下问题：Golang NewChannel.Accept方法的具体用法？Golang NewChannel.Accept怎么用？Golang NewChannel.Accept使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类github.com/Psiphon-Inc/crypto/ssh.NewChannel的用法示例。
在下文中一共展示了NewChannel.Accept方法的2个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Golang代码示例。
示例1: handleUDPChannel
// handleUDPChannel implements UDP port forwarding. A single UDP
// SSH channel follows the udpgw protocol, which multiplexes many
// UDP port forwards.
//
// The udpgw protocol and original server implementation:
// Copyright (c) 2009, Ambroz Bizjak <[email protected]>
// https://github.com/ambrop72/badvpn
//
func (sshClient *sshClient) handleUDPChannel(newChannel ssh.NewChannel) {
// Accept this channel immediately. This channel will replace any
// previously existing UDP channel for this client.
sshChannel, requests, err := newChannel.Accept()
if err != nil {
log.WithContextFields(LogFields{"error": err}).Warning("accept new channel failed")
return
}
go ssh.DiscardRequests(requests)
defer sshChannel.Close()
sshClient.setUDPChannel(sshChannel)
multiplexer := &udpPortForwardMultiplexer{
sshClient: sshClient,
sshChannel: sshChannel,
portForwards: make(map[uint16]*udpPortForward),
portForwardLRU: common.NewLRUConns(),
relayWaitGroup: new(sync.WaitGroup),
}
multiplexer.run()
}示例2: handleTCPChannel
//.........这里部分代码省略.........
conn net.Conn
err error
}
resultChannel := make(chan *dialTcpResult, 1)
go func() {
// TODO: on EADDRNOTAVAIL, temporarily suspend new clients
// TODO: IPv6 support
conn, err := net.DialTimeout(
"tcp4", remoteAddr, SSH_TCP_PORT_FORWARD_DIAL_TIMEOUT)
resultChannel <- &dialTcpResult{conn, err}
}()
var result *dialTcpResult
select {
case result = <-resultChannel:
case <-sshClient.stopBroadcast:
// Note: may leave dial in progress (TODO: use DialContext to cancel)
return
}
if result.err != nil {
sshClient.rejectNewChannel(newChannel, ssh.ConnectionFailed, result.err.Error())
return
}
// The upstream TCP port forward connection has been established. Schedule
// some cleanup and notify the SSH client that the channel is accepted.
fwdConn := result.conn
defer fwdConn.Close()
fwdChannel, requests, err := newChannel.Accept()
if err != nil {
log.WithContextFields(LogFields{"error": err}).Warning("accept new channel failed")
return
}
go ssh.DiscardRequests(requests)
defer fwdChannel.Close()
// ActivityMonitoredConn monitors the TCP port forward I/O and updates
// its LRU status. ActivityMonitoredConn also times out I/O on the port
// forward if both reads and writes have been idle for the specified
// duration.
lruEntry := sshClient.tcpPortForwardLRU.Add(fwdConn)
defer lruEntry.Remove()
fwdConn, err = common.NewActivityMonitoredConn(
fwdConn,
sshClient.idleTCPPortForwardTimeout(),
true,
lruEntry)
if result.err != nil {
log.WithContextFields(LogFields{"error": err}).Error("NewActivityMonitoredConn failed")
return
}
// Relay channel to forwarded connection.
log.WithContextFields(LogFields{"remoteAddr": remoteAddr}).Debug("relaying")
// TODO: relay errors to fwdChannel.Stderr()?
relayWaitGroup := new(sync.WaitGroup)
relayWaitGroup.Add(1)