IP*Works! rexec Component : rexec OCX, rexec .NET Component, rexec Class, rexec Bean, rexec Object

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Available in: IP*WORKS!

Rexec Class

Rexec Component [IP*Works! V8]

Properties Methods Events Configuration Settings

The Rexec component is used to execute commands on a remote UNIX machine using the rexec mechanism.

NOTE: What follows is a very short description of the component interfaces. For more information, please consult the help files that come with the respective package.

Remarks

The Rexec component allows remote execution of commands on UNIX hosts, or any other system with the rexec interface. Using the component is very simple. The destination is specified by the RemoteHost property, the login information is given by the RemoteUser and RemotePassword properties. Then call the Execute method with the Command to execute as a parameter. You can also set the Command property to the command that you would like to execute for identical results. Further input can be supplied to the command by assigning data to the Text parameter of the Send method, or via the Stdin property.

The output of the command is returned through the Stdout event. If an error happens on the protocol level, the error message can be found in the ErrorMessage property. Errors during command execution (the stderr stream) are given by the Stderr event.

To be able to successfully use the component, the remote host must be set up to allow execution of commands via rexec from the machine the component runs on.

Property List

The following is the full list of the properties of the component with short descriptions. Click on the links for complete descriptions.


BytesSent	The number of bytes actually sent after an assignment to Stdin.
Command	The command to be sent to the remote host.
Connected	Shows whether the component is connected.
EOF	If True, the connection has closed, and there is no buffered data available.
EOL	Used to break the stdout data stream into chunks separated by its value.
ErrEOL	Used to break the stderr data stream into chunks separated by its value.
ErrorMessage	The error message returned when any of the steps prior to command execution fail.
Firewall	A set of properties related to firewall access.
LocalHost	The name of the local host or user-assigned IP interface through which connections are initiated or accepted.
LocalPort	The TCP port in the local host where the component binds.
RemoteHost	The address of the remote host. Domain names are resolved to IP addresses.
RemotePassword	The password of the user on the remote host.
RemotePort	The remote exec service port (default is 512).
RemoteUser	The id of the user on the remote host.
Stderr	Returns the standard error output (stderr) from the remote application.
Stdin	A string of data to be sent to the remote host while connected.
Stdout	Provides the standard output (stdout) from the remote application.
Timeout	A timeout for the component.

Method List

The following is the full list of the methods of the component with short descriptions. Click on the links for complete descriptions.


Config	Sets or retrieves a component configuration setting.
Disconnect	Disconnect from the RemoteHost.
DoEvents	Processes events from the internal message queue.
Execute	Execute a Command on the remote host.
Interrupt	Interrupt the current method.
Send	Send standard input to the program executing on the remote host.

Event List

The following is the full list of the events fired by the component with short descriptions. Click on the links for complete descriptions.


Connected	Fired immediately after a connection completes (or fails).
ConnectionStatus	Fired to indicate changes in connection state.
Disconnected	Fired when a connection is closed.
Error	Information about errors during data delivery.
Stderr	Fired when data (complete lines) come in through stderr.
Stdout	Fired when data (complete lines) come in through stdout.

Configuration Settings

The following is a list of configuration settings for the component with short descriptions. Click on the links for complete descriptions.


AbsoluteTimeout	Determines whether timeouts are inactivity timeouts or absolute timeouts.
CloseStreamAfterTransfer	If true, the component will close the upload or download stream after the transfer.
CodePage	The system code page used for Unicode to Multibyte translations (Windows/COM only).
EnableStderr	Enables or disables secondary (stderr) stream.
FirewallData	Used to send extra data to the firewall.
FirewallListener	If true, the component binds to a SOCKS firewall as a server (IPPort only).
InBufferSize	The size in bytes of the incoming queue of the socket.
MaxLineLength	The maximum amount of data to accumulate when no EOL is found.
MaxStderr	Maximum storage availible for the stderr buffer.
MaxStdout	Maximum storage availible for the stdout buffer.
OutBufferSize	The size in bytes of the outgoing queue of the socket.
StderrPort	The local port from which the remote system sends the stderr stream.
TcpNoDelay	Whether or not to delay when sending packets

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