Raised when the :6000 session is unusable.

Raised when the printer FTPS session is unusable.

BambuTunnelLocal file-browser session with auto framing.

Background UDP listener on 0.0.0.0:<port>. Bambu printers send SSDP NOTIFY to 255.255.255.255:2021 every 5 s; we only listen passively.

One TLS :6000 session per FTP client.

Minimal implicit-FTPS client tailored to Bambu printer quirks. Mirrors the C++ obn::ftps::Client in `src/ftps.cpp` closely enough that the sa

One FTP client thread.

One client thread. Translates plaintext FTP -> printer FTPS.

The Agent object is created per Studio call to bambu_network_create_agent(). For now it is an inert carrier for registered callbacks and configuration

RAII for the agent: any subsequent throw still tears down the plugin's worker threads. Without this the dlopen'd library's global destructors hit join

Forward declaration only: BBLModelTask is defined in Bambu Studio's DeviceManager.hpp. We never dereference the pointer; we just need the type name to

Removes the sequence from the cancelled set on scope exit so the set does not grow unbounded during a long-lived CTRL session.

Thin wrapper around libmosquitto. Owns one background network thread per instance (via mosquitto_loop_start). All three callbacks may be invoked from

Row-major RGBA8 surface with no row padding.