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Package Products :: Package DataCollector :: Module SshClient :: Class SshConnection
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Class SshConnection

source code

         twisted.python.log.Logger --+        
                                     |        
  twisted.conch.ssh.service.SSHService --+    
                                         |    
twisted.conch.ssh.connection.SSHConnection --+
                                             |
                                            SshConnection

Wrapper class that starts channels on top of connections.

Instance Methods [hide private]
 
__init__(self, factory)
Initializer		 source code
 
ssh_CHANNEL_FAILURE(self, packet)
Called when the SSH session can't authenticate		 source code
 
ssh_CHANNEL_OPEN_FAILURE(self, packet)
Called when the SSH session can't authenticate		 source code
 
ssh_REQUEST_FAILURE(self, packet)
Called when the SSH session can't authenticate		 source code
 
openFailed(self, reason)
Called when the connection open() fails.		 source code
 
serviceStarted(self)
Called when the service is active on the transport		 source code
 
addCommand(self, cmd)
Open a new channel for each command in queue		 source code
 
channelClosed(self, channel)
Called when a channel is closed.		 source code

Inherited from twisted.conch.ssh.connection.SSHConnection: adjustWindow, getChannel, gotGlobalRequest, openChannel, sendClose, sendData, sendEOF, sendExtendedData, sendGlobalRequest, sendRequest, serviceStopped, ssh_CHANNEL_CLOSE, ssh_CHANNEL_DATA, ssh_CHANNEL_EOF, ssh_CHANNEL_EXTENDED_DATA, ssh_CHANNEL_OPEN, ssh_CHANNEL_OPEN_CONFIRMATION, ssh_CHANNEL_REQUEST, ssh_CHANNEL_SUCCESS, ssh_CHANNEL_WINDOW_ADJUST, ssh_GLOBAL_REQUEST, ssh_REQUEST_SUCCESS

Inherited from twisted.conch.ssh.connection.SSHConnection (private): _cbChannelRequest, _cleanupGlobalDeferreds, _ebChannelRequest

Inherited from twisted.conch.ssh.service.SSHService: logPrefix, packetReceived

Class Variables [hide private]

Inherited from twisted.conch.ssh.connection.SSHConnection: name, protocolMessages

Inherited from twisted.conch.ssh.service.SSHService: transport

Instance Variables [hide private]

Inherited from twisted.conch.ssh.connection.SSHConnection: channels, channelsToRemoteChannel, deferreds, localChannelID, localToRemoteChannel

Method Details [hide private]

__init__(self, factory)
(Constructor)

source code 

Initializer

Parameters:
  • factory (Twisted factory object) - factory containing the connection info
Overrides: twisted.conch.ssh.connection.SSHConnection.__init__

ssh_CHANNEL_FAILURE(self, packet)

source code 

Called when the SSH session can't authenticate

Parameters:
  • packet (object) - returned packet from the host
Overrides: twisted.conch.ssh.connection.SSHConnection.ssh_CHANNEL_FAILURE

ssh_CHANNEL_OPEN_FAILURE(self, packet)

source code 

Called when the SSH session can't authenticate

Parameters:
  • packet (object) - returned packet from the host
Overrides: twisted.conch.ssh.connection.SSHConnection.ssh_CHANNEL_OPEN_FAILURE

ssh_REQUEST_FAILURE(self, packet)

source code 

Called when the SSH session can't authenticate

Parameters:
  • packet - returned packet from the host
Overrides: twisted.conch.ssh.connection.SSHConnection.ssh_REQUEST_FAILURE

openFailed(self, reason)

source code  

Called when the connection open() fails.
Usually this gets called after too many bad connection attempts,
and the remote device gets upset with us.

NB: reason.desc is the human-readable description of the failure
    reason.code is the SSH error code
 (see http://tools.ietf.org/html/rfc4250#section-4.2.2 for more details)

@param reason: reason object
@type reason: reason object

serviceStarted(self)

source code 

Called when the service is active on the transport

Overrides: twisted.conch.ssh.service.SSHService.serviceStarted

addCommand(self, cmd)

source code 

Open a new channel for each command in queue

Parameters:
  • cmd (string) - command to run

channelClosed(self, channel)

source code 

Called when a channel is closed. REQUIRED function by Twisted.

Parameters:
  • channel (Twisted channel object) - channel that closed
Overrides: twisted.conch.ssh.connection.SSHConnection.channelClosed

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