feat: more dispatch actions and cosmetic

examples/populate_redis.rs

@@ -1,6 +1,12 @@
-///
+use std::io::_print;
-/// $ cargo run --example populate_redis
+/**
-///
+
+# Populate Redis Example
+
+**This script simulates the redis content provided by the LJ Python / web tool**
+
+$ cargo run --example populate_redis
+ **/
 
 use redis::{
 	//RedisResult,
@@ -12,13 +18,17 @@ use redis::{
 fn do_something() -> redis::RedisResult<()> {
 	let client = Client::open("redis://127.0.0.1/")?;
 	let mut con: Connection = client.get_connection()?;
-
 	let _ = con.set("/clientkey", "/pl/0/")?;
 	let _ = con.set("/EDH/0", "[[1.0, 0.0, 0.0],\n [ 0.0, 1.0, 0.0],\n [ 0.0, 0.0, 1.0]]")?;
 	let _ = con.set("/kpps/0", "5000")?;
 	let _ = con.set("/intensity/0", "255")?;
+	let _ = con.set("/pl/0/0", "[(-300, 300, 0), (-300, -300, 65280), (300, -300, 65280), (300, 300, 65280), (-300, 300, 65280)]")?;
 	Ok(())
 }
+
 fn main() {
-    _ = do_something();
+	match do_something() {
+		Err(err)    => println!("Something wrong occured: {:?}", err),
+		Ok(..)                  => println!("Successfully inserted content in Redis")
+	}
 }

src/device/etherdream.rs

@@ -1,42 +1,48 @@
 use std::time;
 use std::net::SocketAddr;
-use ether_dream::dac::stream::connect;
+use ether_dream::dac::stream::{CommunicationError, connect};
 use ether_dream::dac::{Playback, Stream};
+use chrono::{DateTime, Utc};
+use std::time::SystemTime;
 
 use crate::conf::EtherDreamConf;
 use crate::device::{Device, Status, PlaybackState};
 use crate::errors::{LJError, LJResult};
 use crate::point::{Color, Point};
-use ether_dream::protocol::{DacBroadcast, DacPoint};
+use ether_dream::protocol::{DacBroadcast, DacPoint, DacResponse};
 use log::{debug, info, warn};
 
 #[warn(dead_code)]
 pub struct EtherdreamDevice {
 	pub conf: EtherDreamConf,
 	dac: DacBroadcast,
-	// source_address: SocketAddr,
 	stream: Stream,
-	// sent_points: u16,
-	lack: String,
-	last_traced_at: String,
-}
 
+	// "a": ACK   "F": Full  "I": invalid. 64 or 35 for no connection.
+	//     /// The previous command was accepted.
+	//     pub const ACK: u8 = 0x61;
+	//     /// The write command could not be performed because there was not enough buffer space when it
+	//     /// was received.
+	//     pub const NAK_FULL: u8 = 0x46;
+	//     /// The command contained an invalid `command` byte or parameters.
+	//     pub const NAK_INVALID: u8 = 0x49;
+	//     /// An emergency-stop condition still exists.
+	//     pub const NAK_STOP_CONDITION: u8 = 0x21;
+	// }
+	dac_response: u8,
+}
 
 impl EtherdreamDevice {
 	pub fn new(conf: &EtherDreamConf) -> LJResult<Self> {
-		let (dac, _source_address, stream) = EtherdreamDevice::get_dac(conf)?;
+		let (dac, _source_address, stream) = EtherdreamDevice::connect(conf)?;
-
 		Ok(Self {
 			conf: (*conf).clone(),
 			dac,
-			// source_address,
 			stream,
-			// sent_points: 0,
+			dac_response: DacResponse::ACK,
-			lack: "".to_string(),
-			last_traced_at: "1985-04-12T23:20:50.52Z".to_string(),
 		})
 	}
-	pub fn get_dac(conf: &EtherDreamConf) -> LJResult<(DacBroadcast, SocketAddr, Stream)> {
+	fn connect(conf: &EtherDreamConf) -> LJResult<(DacBroadcast, SocketAddr, Stream)> {
 		let ip = &conf.ip;
 		let dac_broadcast = ether_dream::recv_dac_broadcasts()?;
 		dac_broadcast.set_timeout(Some(time::Duration::new(10, 0)))?;
@@ -72,75 +78,34 @@ impl EtherdreamDevice {
 		}
 	}
 
-	pub fn get_tcp_stream(dac: &DacBroadcast, source_address: &SocketAddr) -> LJResult<Stream> {
+	fn get_tcp_stream(dac: &DacBroadcast, source_address: &SocketAddr) -> LJResult<Stream> {
-		// Establish the TCP connection.
 		let mut stream = connect(dac, source_address.ip())?;
-		EtherdreamDevice::prepare_tcp_stream(&mut stream).unwrap();
-		Ok(stream)
-	}
-
-	fn prepare_tcp_stream(stream: &mut Stream) -> LJResult<()> {
-
-		// Prepare  stream
 		match stream
 			.queue_commands()
 			.prepare_stream()
 			.submit() {
-			Err(err) => {
+			Err(err) => warn!("err occurred when submitting PREPARE_STREAM command and listening for response: {}",err),
-				warn!(
+			Ok(_) => info!("Prepared Stream.")
-					"err occurred when submitting PREPARE_STREAM command and listening for response: {}",
-					err
-				);
 		}
-			Ok(_) => {
+		let begin_list = vec![
-				info!("Prepared Stream.")
+			DacPoint { control: 0, x: 0, y: 0, i: 255, r: 0, g: 0, b: 0, u1: 0, u2: 0 },
-			}
+		];
-		}
-
-		let control = 0;
-		let (u1, u2) = (0, 0);
-		let i = 255;
-		let point = DacPoint {
-			control,
-			x: 0,
-			y: 0,
-			i,
-			r: 0,
-			g: 0,
-			b: 0,
-			u1,
-			u2,
-		};
-		let begin_list = vec![point];
 		let points_per_second = stream.dac().max_point_rate / 32;
 		match stream
 			.queue_commands()
 			.data(begin_list.into_iter().take(1 as usize))
 			.begin(0, points_per_second)
 			.submit() {
-			Err(err) => {
+			Err(err) => warn!("err occurred when submitting first data: {}",err),
-				warn!(
+			Ok(_) => info!("Sent first data to Etherdream.")
-					"err occurred when submitting first data: {}",
-					err
-				);
-			}
-			Ok(_) => {
-				info!("Sent first data to Etherdream.")
 		}
+		Ok(stream)
 	}
 
-		Ok(())
-	}
-
-
-	pub fn check_tcp_stream(&mut self) -> LJResult<()> {
-		// todo Reinit stream if needed
-		// self.stream = EtherdreamDevice::get_tcp_stream(&self.dac, &self.source_address)?
-		Ok(())
-	}
-
-	// Determine the number of points needed to fill the DAC.
 	fn points_capacity(&self) -> u16 {
+		/***
+		Determine the number of points needed to fill the DAC.
+		 ***/
 		// Fixme thread 'main' panicked at 'attempt to subtract with overflow', src/device/etherdream.rs:144:24
 		let n_points = self.dac.buffer_capacity as u16 - self.stream.dac().dac.status.buffer_fullness as u16 - 1;
 		n_points
@@ -149,26 +114,25 @@ impl EtherdreamDevice {
 
 impl Device for EtherdreamDevice {
 	fn status(&mut self) -> Status {
-		let _ = self.check_tcp_stream();
-
-		// "a": ACK   "F": Full  "I": invalid. 64 or 35 for no connection.
 		let playback_state = match self.stream.dac().dac.status.playback {
 			Playback::Idle => PlaybackState::IDLE,
 			Playback::Prepared => PlaybackState::PREPARE,
 			Playback::Playing => PlaybackState::PLAYING,
 		};
+		let now = SystemTime::now();
+		let now: DateTime<Utc> = now.into();
+		let now = now.to_rfc3339();
 
 		let status = Status {
-			last_traced_at: self.last_traced_at.clone(),
+			last_traced_at: now,
 			properties: vec!["foo".to_string()],
 			playback_state,
 			capacity: self.points_capacity(),
-			lack: String::from(&self.lack),
+			lack: self.dac_response.to_string(),
 		};
 		// info!("Dac Status: {:?} ", status );
 		// info!("Etherdream Dac {:?} ", self.dac );
 		// info!("Stream dac{:?}", self.stream.dac());
-
 		status
 	}
 
@@ -179,7 +143,7 @@ impl Device for EtherdreamDevice {
 		let n_points = self.points_capacity();
 		// let n_points = &line.len();
 		debug!("Etherdream::device draw Generating {:?} points", n_points);
-		return match self.stream
+		match self.stream
 			.queue_commands()
 			.data(
 				line.into_iter()
@@ -192,14 +156,28 @@ impl Device for EtherdreamDevice {
 				// We should account for
 				// 'Broken pipe (os error 32)'
 				// Connection reset by peer (os error 104)
-				warn!("Draw error: '{}'",err);
+				self.dac_response = match err {
-				Ok(())
+					CommunicationError::Io(err) => {
+						warn!("IO ERROR while drawing: '{}'",err);
+						DacResponse::ACK
 					}
-			Ok(_) => {
+					CommunicationError::Protocol(err) => {
-				debug!("Draw is ok");
+						warn!("Protocol ERROR while drawing: '{}'",err);
-				Ok(())
+						DacResponse::ACK
+					}
+					CommunicationError::Response(err) => {
+						warn!("Response ERROR while drawing: '{}'",err);
+						err.response.response
 					}
 				};
+
+			}
+			Ok(_) => {
+				self.dac_response = DacResponse::ACK;
+				debug!("Draw is ok");
+			}
+		};
+		Ok(())
 	}
 
 	fn stop(&mut self) -> LJResult<()> {

src/main.rs

@@ -65,19 +65,13 @@ fn run_all() -> LJResult<()> {
 	let mut tracer = device_factory(&config)?;
 	world_state.grid = tracer.grid();
 
-	// can't work, but we can add + Debug to Device to make it work...
-	//dbg!(tracer);
-
 	// Setup geometry transformers on points lists
 	let transformers = config.get_transformers();
 
 	// Dispatch based on redis requests
 	while running.load(Ordering::SeqCst) {
 		rs.set_status(tracer.status())?;
-
 		let order = rs.get_order(config.laser_id)?;
-
-
 		match order {
 			Order::Draw | Order::Black | Order::Grid => {
 				// 0 : Draw Normal point list
@@ -110,11 +104,14 @@ fn run_all() -> LJResult<()> {
 			Order::ClientKey => {
 				world_state.client_key = rs.get_client_key()?;
 			}
-			// Order::ColorBalance => {},
+			Order::ColorBalance => {
+				let (r, g, b) = rs.get_color_balance()?;
+				world_state.color_balance = Color { r, g, b };
+			}
+			Order::Resampler => {
+				world_state.resampler = rs.get_resampler()?;
+			}
 			_ => {
-				// 4 : Resampler Change (longs and shorts lsteps)
-				// 5 : Client Key Change        = reread redis key /clientkey
-				// 8 : color balance change     = reread redis keys /red /green /blue
 				// 9 : poweroff LJ
 				info!("Order: {:?}", order);
 			}
@@ -128,7 +125,6 @@ fn run_all() -> LJResult<()> {
 
 fn init_logging(config: &LJResult<Conf>) {
 	if let Ok(ref config) = config {
-
 		let level = if config.debug {
 			LevelFilter::Debug
 		} else {

src/point.rs

@@ -57,7 +57,6 @@ impl From<Point> for helios_dac::Point {
 impl From<Point> for DacPoint {
 
 	fn from(pt: Point) -> DacPoint {
-		print!(".");
 		let control = 0;
 		let (u1, u2) = (0, 0);
 		let i = 255;

src/redis_ctrl.rs

@@ -10,7 +10,6 @@ use crate::worldstate::{WorldState,EDH};
 pub enum Order {
 	Draw = 0,
 	Edh,
-	//homography
 	Black,
 	Grid,
 	Resampler,
@@ -46,6 +45,7 @@ impl TryFrom<u8> for Order {
 }
 
 pub type Line = Vec<(f32, f32, u32)>;
+pub type Resampler = Vec<(f32,f32)>;
 
 pub struct RedisCtrl {
 	pub client: Client,
@@ -84,11 +84,6 @@ impl RedisCtrl {
 		Ok(val.try_into()?)
 	}
 
-	/**
-	/lstt/lasernumber       etherdream last_status.playback_state  (0: idle   1: prepare   2: playing)
-	/cap/lasernumber        number of empty points sent to fill etherdream buffer (up to 1799)
-	/lack/lasernumber       "a": ACK   "F": Full  "I": invalid. 64 or 35 for no connection.
-	 **/
 	pub fn set_status(&mut self, status: Status) -> LJResult<()> {
 		let lstt_key = format!("/lstt/{}", self.laser_id);
 		let cap_key = format!("/cap/{}", self.laser_id);
@@ -123,6 +118,20 @@ impl RedisCtrl {
 		Ok(key)
 	}
 
+	pub fn get_color_balance(&mut self) -> LJResult<(u8, u8, u8)> {
+		Ok((
+			self.connection.get("/red")?,
+			self.connection.get("/green")?,
+			self.connection.get("/blue")?,
+		))
+	}
+
+	pub fn get_resampler(&mut self ) -> LJResult<Resampler> {
+		let val: String = self.connection.get(format!("/resampler/{}", self.laser_id))?;
+		let resampler : Resampler = from_str(&val)?;
+		Ok(resampler)
+	}
+
 	pub fn get_int(&mut self, key: &str) -> LJResult<u32> {
 		// Get new Int
 		let fmt = format!("/{key}/{}", self.laser_id);

src/worldstate.rs

@@ -2,6 +2,7 @@ use crate::point::{Point, Color};
 use nalgebra::base::{Matrix3, Matrix1x3};
 use crate::errors::{LJError, LJResult};
 use log::debug;
+use crate::redis_ctrl::Resampler;
 
 #[derive(Debug, Default)]
 pub struct EDH {
@@ -39,7 +40,7 @@ impl EDH {
 #[derive(Debug, Default)]
 pub struct WorldState {
 	pub edh: EDH,
-	pub resampler: Vec<f32>,
+	pub resampler: Resampler,
 	pub client_key: String,
 	pub intensity: u8,
 	pub kpps: u32,
@@ -47,6 +48,7 @@ pub struct WorldState {
 	pub draw_black: bool,
 	pub draw_grid: bool,
 	pub grid: Vec<Point>,
+	pub color_balance: Color,
 }
 
 impl WorldState {}