FTP java program(active mode)

Overview:

Understand TCP socket programming by developing a simplified FTP client that works in the active mode. You must create your own socket, and cannot use any existing FTP library. You may use Python, Java, or C++/C as the programming language. This is an independent project.

The client should be designed to start by typing the command:

myftp server-name

where “server-name” is the name or IP address of the server. Next, display a prompt for entering the FTP user name, followed by a prompt for entering the password.

After a successful login, the following commands should be available in the FTP client prompt:

Command Function

myftp - ls List the files in the current directory of the remote server.

myftp - get remote-file Download the file named “remote-file” from the remote server to the local machine with the same file name.

myftp - put local-file Upload the file named “local-file” from the local machine to the remote server with the same file name.

myftp - delete remote-file Delete the file named “remote-file” from the remote server.

myftp - quit Quit the FTP client.

All the above commands (including entering the user name and password) when executed should return a Success/Failure status. All the path names and file names should be considered relative to the current directory (unless absolute path name is given). After a successful file transfer, a success message should be displayed with the number of bytes transferred. Remember that the FTP client should work in the active mode.

Please run the Windows built-­‐in command line FTP client to see the expected result of each command. You may test your client by connecting it to any standard FTP server, such as [login to view URL] (user name: demo, password: demopass) or FileZilla server (https://filezilla-­‐[login to view URL]) running on a Windows machine.

Java

项目ID： #8652570

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