Building an FTP Client in Elixir with GenServer

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Building an FTP Client in Elixir with GenServer

Source: rlopzc.com

Erlang GenServer

This article details the creation of an FTP client in Elixir to poll an FTP server for file uploads incrementally. The implementation relies on Erlang's :ftp module in conjunction with Elixir's GenServer to manage state and asynchronous processing. The client connects securely to the FTP server, authenticates users, and checks for file existence at defined intervals. Key functions like ls and send_file are provided for debugging. The author explores challenges such as global process naming in clustered nodes and the use of TCP connections in the FTP protocol. Future enhancements are hinted at, indicating a follow-up part that will introduce concurrency improvements to file retrieval.

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