octoturge
b352fd618d
- GenericPrinter grows upload_project_file, send_gcode_line, and a generic upload_gcode<P> driver that streams a whole gcode file line by line through any vendor's send_gcode_line. - PrusaSerialPrinter's connect/send_gcode_line are real (not stubs): a held-open MarlinSerialConnection (src/printer/marlin_serial.rs) writes each line and waits for Marlin's "ok" before sending the next. Config changed from com_port: i16 to port: String + baud_rate: u32 to hold a real device path. - Bambu: BambuGenericPrinter + BambuV1Printer/BambuV2Printer collapsed into one BambuPrinter, since which MQTT/BambuMQTT version (v3.1.1/v1 vs v5/v2) a printer speaks is discovered at connect() time (or forced), not something config should pick a type for - the same physical printer can change after a firmware update. printers.toml gets a new "bambu" vendor (auto-detect, the default) alongside bambu_v1/bambu_v2 (force a specific one). - Bambu's gcode_line request is now built for real via continuum-schema-instance against continuum-schemas' JSON Schema, picking the v1 or v2 schema directory based on the detected protocol version, instead of a hand-written serde struct. - Added rumqttc as a dependency (not wired up yet - the real MQTT v5-then-v3.1.1 fallback connect and the publish/receive plumbing are still stubs).
75 lines
3.0 KiB
Rust
75 lines
3.0 KiB
Rust
//! Run with: cargo run --example printer_polymorphism
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//!
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//! Demonstrates the trait+enum pattern that stands in for inheritance:
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//! - `connect()` is called the same way regardless of vendor (polymorphism),
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//! but each variant's `impl GenericPrinter` runs completely different
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//! code (override).
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//! - `dispatch_gcode()` only exists on the Bambu struct (extension) - you
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//! have to `match` the enum back down to the concrete type to reach it,
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//! which is the trade-off for not having implicit downcasting.
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use continuum_proxy::printer::{
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BambuPrinter, BambuProtocolPreference, BambuTls, GenericPrinter, KlipperPrinter, PrinterHandle,
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PrusaLinkPrinter, PrusaSerialPrinter,
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};
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#[tokio::main]
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async fn main() {
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let mut fleet: Vec<PrinterHandle> = vec![
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// Forced: a known-old printer.
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PrinterHandle::Bambu(BambuPrinter::new(
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"p1",
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"P1S",
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"192.168.1.49",
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"87654321",
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"01P00A000000000",
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BambuTls::BundledCa,
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BambuProtocolPreference::ForceV1,
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)),
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// Auto: the recommended default - see bambu.rs's doc comment.
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PrinterHandle::Bambu(BambuPrinter::new(
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"p2",
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"X1 Carbon",
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"192.168.1.50",
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"12345678",
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"00M00A000000000",
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BambuTls::BundledCa,
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BambuProtocolPreference::Auto,
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)),
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PrinterHandle::PrusaLink(PrusaLinkPrinter::new("p3", "MK4", "192.168.1.51", "prusa-api-key")),
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PrinterHandle::PrusaSerial(PrusaSerialPrinter::new("p4", "MK3S+", "/dev/ttyACM0", 115_200)),
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PrinterHandle::Klipper(KlipperPrinter::new("p5", "Voron 2.4", "192.168.1.52")),
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// No host configured - this one will hit the Err path.
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PrinterHandle::Klipper(KlipperPrinter::new("p6", "Broken Voron", "")),
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];
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// Uniform call site: every printer connects the same way from the
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// caller's point of view, even though each variant's `connect()` body
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// is an unrelated implementation.
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for printer in &mut fleet {
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match printer.connect().await {
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Ok(()) => println!(" -> connected: {}\n", printer.display_name()),
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Err(err) => println!(" -> failed: {err}\n"),
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}
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}
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// Vendor-only extension: reachable only after matching the concrete
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// variant back out of the enum - one arm now that Bambu is a single
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// type regardless of which protocol version `connect()` settled on.
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for printer in &fleet {
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match printer {
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PrinterHandle::Bambu(bambu) => bambu.dispatch_gcode("part.gcode.3mf"),
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_ => {}
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}
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}
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// A second trait method, same uniform call site as connect(): every
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// vendor sends "50%" a completely different way - an MQTT gcode
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// command, Moonraker's native API, gcode over HTTP, gcode over serial
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// - but the caller doesn't need to know or care which.
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println!();
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for printer in &mut fleet {
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let _ = printer.set_fan_speed(50).await;
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}
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}
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