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doougal/Python-Sockets

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About

A client and a server application which allows a client to download a file of it's choosing from the server. The client and the server communicate through stream(TCP) sockets, exchanging both control and actual file data.

Usage

Server

Usage: python server.py listen_port

Arguments:

  • listen_port - Port for the server to recieve connections on (between 1024 and 64000, inclusive)

Upon running the server, it will continuously serve clients, until shut down.

Client

Usage: python client.py server_ip server_port target_file

Arguments:

  • server_ip - Address of the server, either the hostname or IP address (e.g. 192.168.1.1 or fileserver.example.com)
  • server_port - Port that the server is recieving connections on (between 1024 and 64000, inclusive)
  • target_file - Name of the file to download from the server

The client will only request and download the target file, then will exit.

Packet Formats

The client and server operates on a defined request/response format, listed below.

FileRequest

File Request Format

FileResponse

File Response Format

About

A basic command line file transfer program built using the Python sockets library

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