Parent

Net::SSH::Multi::ChannelProxy

The ChannelProxy is a delegate class that represents a channel that has not yet been opened. It is only used when Net::SSH::Multi is running with with a concurrent connections limit (see Net::SSH::Multi::Session#concurrent_connections).

You'll never need to instantiate one of these directly, and will probably (if all goes well!) never even notice when one of these is in use. Essentially, it is spawned by a Net::SSH::Multi::PendingConnection when the pending connection is asked to open a channel. Any actions performed on the channel proxy will then be recorded, until a real channel is set as the delegate (see delegate_to). At that point, all recorded actions will be replayed on the channel, and any subsequent actions will be immediately delegated to the channel.

Attributes

on_confirm[R]

This is the "on confirm" callback that gets called when the real channel is opened.

Public Class Methods

new(&on_confirm) click to toggle source

Instantiates a new channel proxy with the given on_confirm callback.

# File lib/net/ssh/multi/channel_proxy.rb, line 21
def initialize(&on_confirm)
  @on_confirm = on_confirm
  @recordings = []
  @channel = nil
end

Public Instance Methods

delegate_to(channel) click to toggle source

Instructs the proxy to delegate all further actions to the given channel (which must be an instance of Net::SSH::Connection::Channel). All recorded actions are immediately replayed, in order, against the delegate channel.

# File lib/net/ssh/multi/channel_proxy.rb, line 30
def delegate_to(channel)
  @channel = channel
  @recordings.each do |sym, args, block|
    @channel.__send__(sym, *args, &block)
  end
end
method_missing(sym, *args, &block) click to toggle source

If a channel delegate has been specified (see delegate_to), the method will be immediately sent to the delegate. Otherwise, the call is added to the list of recorded method calls, to be played back when a delegate is specified.

# File lib/net/ssh/multi/channel_proxy.rb, line 41
def method_missing(sym, *args, &block)
  if @channel
    @channel.__send__(sym, *args, &block)
  else
    @recordings << [sym, args, block]
  end
end

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