It makes more sense to put the address first then have the large structure to send as the second argument to sendTo. The opposite order was originally chosen to be similar to that of sendto in BSD sockets.
Clusterio Player Auth Plugin
Plugin authenticating logged in players to the web interface. Authentication is achieved by a simple challenge response mechanism where players have to log into one of the Factorio server in the cluster and open a dialog that presents a code, this code is input into the login form on the web interface which gives back a second code. Once the player enters the second code into the dialog in-game the web interface is authenticated.
Installation
Run the following commands in the folder Clusterio is installed to:
npm install @clusterio/plugin-player_auth
npx clusteriocontroller plugin add @clusterio/plugin-player_auth
Substitute clusteriocontroller with clusteriohost or clusterioctl if this a dedicate host or ctl installation respectively.
Controller Configuration
player_auth.code_length
Length in character of the generated challenge codes that need to be input between the web interface login form and the in-game Factorio login dialog.
Defaults to 6.
player_auth.code_timeout
Time in seconds the first code generated stays valid. The login must be completed in less than this time starting from when the login dialog is opened in-game.
Defaults to 120.