Delta Tau PMAC User Manual download pdf (Page 14)

Delta Tau Power PMAC EPICS Device Support Manual

8 February 2013

7 Development of the Device Support Code

This section describes in more detail the main files/classes involved in the Power

PMAC EPICS module. These files can be located in the source directory of the

Power PMAC application.

7.1 SSH Driver Class

Filenames

sshDriver.h

sshDriver.cpp

Location

${TOP}/powerPMACApp/src

Methods

SSHDriver

setUsername

setPassword

connectSSH

setBlocking

flush

write

read

disconnectSSH

~SSHDriver

The SSH driver class provides a wrapper around the libssh2 library and presents a

simple interface for establishing connections to the Power PMAC and write/read/flush

operations.

Method

SSHDriver

Parameters

Host - Host name or IP of device.

Return

N/A

Description

Constructor for the driver class. Initializes internal variables.

Method

setUsername

Parameters

Username - The username for the SSH connection.

Return

SSHDriverStatus.

Description

Setter for the username.

Method

setPassword

Parameters

Password - The password for the SSH connection.

Return

SSHDriverStatus.

Description

Setter for the password. If this method is not called then

authentication using keys is attempted when connecting.

Method

connectSSH

Parameters

None.

Return

SSHDriverStatus.

Description

Attempt to create a connection and authorize the username with the

password or by keys. Once a connection has been established a

dumb terminal is created.

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Delta Tau PMAC User Manual Page 14

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