examples/populate_redis.rs

@@ -1,12 +1,6 @@
-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,
@@ -18,17 +12,13 @@ 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() {
-	match do_something() {
+    _ = do_something();
-		Err(err)    => println!("Something wrong occured: {:?}", err),
-		Ok(..)                  => println!("Successfully inserted content in Redis")
-	}
 }

src/device/etherdream.rs

@@ -1,48 +1,42 @@
 use std::time;
 use std::net::SocketAddr;
-use ether_dream::dac::stream::{CommunicationError, connect};
+use ether_dream::dac::stream::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, DacResponse};
+use ether_dream::protocol::{DacBroadcast, DacPoint};
 use log::{debug, info, warn};
 
 #[warn(dead_code)]
 pub struct EtherdreamDevice {
 	pub conf: EtherDreamConf,
 	dac: DacBroadcast,
+	// source_address: SocketAddr,
 	stream: Stream,
-
+	// sent_points: u16,
-	// "a": ACK   "F": Full  "I": invalid. 64 or 35 for no connection.
+	lack: String,
-	//     /// The previous command was accepted.
+	last_traced_at: String,
-	//     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::connect(conf)?;
+		let (dac, _source_address, stream) = EtherdreamDevice::get_dac(conf)?;
+
 		Ok(Self {
 			conf: (*conf).clone(),
 			dac,
+			// source_address,
 			stream,
-			dac_response: DacResponse::ACK,
+			// sent_points: 0,
+			lack: "".to_string(),
+			last_traced_at: "1985-04-12T23:20:50.52Z".to_string(),
 		})
 	}
-	fn connect(conf: &EtherDreamConf) -> LJResult<(DacBroadcast, SocketAddr, Stream)> {
+	pub fn get_dac(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)))?;
@@ -78,34 +72,75 @@ impl EtherdreamDevice {
 		}
 	}
 
-	fn get_tcp_stream(dac: &DacBroadcast, source_address: &SocketAddr) -> LJResult<Stream> {
+	pub 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) => warn!("err occurred when submitting PREPARE_STREAM command and listening for response: {}",err),
+			Err(err) => {
-			Ok(_) => info!("Prepared Stream.")
+				warn!(
+					"err occurred when submitting PREPARE_STREAM command and listening for response: {}",
+					err
+				);
 			}
-		let begin_list = vec![
+			Ok(_) => {
-			DacPoint { control: 0, x: 0, y: 0, i: 255, r: 0, g: 0, b: 0, u1: 0, u2: 0 },
+				info!("Prepared Stream.")
-		];
+			}
+		}
+
+		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) => warn!("err occurred when submitting first data: {}",err),
+			Err(err) => {
-			Ok(_) => info!("Sent first data to Etherdream.")
+				warn!(
+					"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
@@ -114,25 +149,26 @@ 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: now,
+			last_traced_at: self.last_traced_at.clone(),
 			properties: vec!["foo".to_string()],
 			playback_state,
 			capacity: self.points_capacity(),
-			lack: self.dac_response.to_string(),
+			lack: String::from(&self.lack),
 		};
 		// info!("Dac Status: {:?} ", status );
 		// info!("Etherdream Dac {:?} ", self.dac );
 		// info!("Stream dac{:?}", self.stream.dac());
+
 		status
 	}
 
@@ -143,7 +179,7 @@ impl Device for EtherdreamDevice {
 		let n_points = self.points_capacity();
 		// let n_points = &line.len();
 		debug!("Etherdream::device draw Generating {:?} points", n_points);
-		match self.stream
+		return match self.stream
 			.queue_commands()
 			.data(
 				line.into_iter()
@@ -156,28 +192,14 @@ impl Device for EtherdreamDevice {
 				// We should account for
 				// 'Broken pipe (os error 32)'
 				// Connection reset by peer (os error 104)
-				self.dac_response = match err {
+				warn!("Draw error: '{}'",err);
-					CommunicationError::Io(err) => {
+				Ok(())
-						warn!("IO ERROR while drawing: '{}'",err);
-						DacResponse::ACK
-					}
-					CommunicationError::Protocol(err) => {
-						warn!("Protocol ERROR while drawing: '{}'",err);
-						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(())
 			}
 		};
-		Ok(())
 	}
 
 	fn stop(&mut self) -> LJResult<()> {

src/main.rs

@@ -65,13 +65,19 @@ 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
@@ -104,14 +110,11 @@ 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);
 			}
@@ -125,6 +128,7 @@ 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

@@ -57,6 +57,7 @@ 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

@@ -10,6 +10,7 @@ use crate::worldstate::{WorldState, EDH};
 pub enum Order {
 	Draw = 0,
 	Edh,
+	//homography
 	Black,
 	Grid,
 	Resampler,
@@ -45,7 +46,6 @@ impl TryFrom<u8> for Order {
 }
 
 pub type Line = Vec<(f32, f32, u32)>;
-pub type Resampler = Vec<(f32,f32)>;
 
 pub struct RedisCtrl {
 	pub client: Client,
@@ -84,6 +84,11 @@ 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);
@@ -118,20 +123,6 @@ 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

@@ -2,7 +2,6 @@ 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 {
@@ -40,7 +39,7 @@ impl EDH {
 #[derive(Debug, Default)]
 pub struct WorldState {
 	pub edh: EDH,
-	pub resampler: Resampler,
+	pub resampler: Vec<f32>,
 	pub client_key: String,
 	pub intensity: u8,
 	pub kpps: u32,
@@ -48,7 +47,6 @@ pub struct WorldState {
 	pub draw_black: bool,
 	pub draw_grid: bool,
 	pub grid: Vec<Point>,
-	pub color_balance: Color,
 }
 
 impl WorldState {}