AlreadyLogin checks is user already logged in.

AsyncCheck is a middleware for async requests.

AuthCheck is a middleware for handlers.

GetAdditionalSwData trying to get serial number and revision of switch by SNMP.

GetMainSwData gets IP, MAC and UpSwitchName of switch from source database.

Build struct describing build.

Floor struct describing floor.

Switch struct describing switch.

ViewData struct for data that inserts into HTML templates.