[WIP] Working on QR Code generation, already got the local address to be displayed

Cargo.lock

@@ -93,6 +93,7 @@ dependencies = [
  "log",
  "log4rs",
  "once_cell",
+ "qrcode",
  "regex",
  "reqwest",
  "serde",
@@ -190,12 +191,24 @@ version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 
+[[package]]
+name = "bytemuck"
+version = "1.20.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b37c88a63ffd85d15b406896cc343916d7cf57838a847b3a6f2ca5d39a5695a"
+
 [[package]]
 name = "byteorder"
 version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
 
+[[package]]
+name = "byteorder-lite"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f1fe948ff07f4bd06c30984e69f5b4899c516a3ef74f34df92a2df2ab535495"
+
 [[package]]
 name = "bytes"
 version = "0.4.12"
@@ -751,6 +764,17 @@ dependencies = [
  "unicode-normalization",
 ]
 
+[[package]]
+name = "image"
+version = "0.25.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "cd6f44aed642f18953a158afeb30206f4d50da59fbc66ecb53c66488de73563b"
+dependencies = [
+ "bytemuck",
+ "byteorder-lite",
+ "num-traits",
+]
+
 [[package]]
 name = "indexmap"
 version = "2.6.0"
@@ -1176,6 +1200,15 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "qrcode"
+version = "0.14.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d68782463e408eb1e668cf6152704bd856c78c5b6417adaee3203d8f4c1fc9ec"
+dependencies = [
+ "image",
+]
+
 [[package]]
 name = "quote"
 version = "1.0.37"

Cargo.toml

@@ -12,6 +12,7 @@ lazy_static = "1.5.0"
 log = "0.4.22"
 log4rs = "1.3.0"
 once_cell = "1.19.0"
+qrcode = "0.14.1"
 regex = "1.10.6"
 reqwest = { version = "0.12.7", features = ["blocking"] }
 serde = { version = "1.0.210", features = ["derive"] }

src/commands.rs

@@ -1,9 +1,11 @@
-use std::sync::{Arc, Mutex};
-use std::sync::mpsc::{self, Sender, Receiver};
-use std::thread;
-use log::info;
-use ws::{listen, Message, Result as WsResult};
 use lazy_static::lazy_static;
+use log::info;
+use std::net::{IpAddr, UdpSocket};
+use std::sync::mpsc::{self, Receiver, Sender};
+use std::sync::{Arc, Mutex};
+use std::thread;
+use ws::{listen, Message, Result as WsResult};
+use qrcode::{render::unicode::{self}, QrCode};
 
 use crate::structs::{IntoMessage, LocationPayload};
 
@@ -25,7 +27,7 @@ impl WsServer {
             let mut running = true;
 
             let ws_thread = thread::spawn(move || {
-                listen("127.0.0.1:3012", |out| {
+                listen("0.0.0.0:4152", |out| {
                     let clients_inner = Arc::clone(&clients_clone);
                     {
                         let mut clients_guard = clients_inner.lock().unwrap();
@@ -36,7 +38,8 @@ impl WsServer {
                         info!("Received: {}", msg);
                         Ok(())
                     }
-                }).unwrap();
+                })
+                .unwrap();
             });
 
             while running {
@@ -51,8 +54,8 @@ impl WsServer {
                         running = false;
                         info!("Stopping WebSocket server.");
                     }
-                    Err(_) => {
-                        info!("Error receiving command.");
+                    Err(error) => {
+                        info!("Error receiving command: {}", error.to_string());
                     }
                 }
             }
@@ -118,3 +121,39 @@ pub fn stop() -> &'static str {
 
     "Stopping WebSocket server"
 }
+
+pub fn local_qrcode() -> Vec<String> {
+    let mut result = Vec::<String>::new();
+
+    fn get_local_ip() -> Result<IpAddr, String> {
+        let socket = UdpSocket::bind("0.0.0.0:0").map_err(|e| e.to_string())?;
+        socket
+            .connect("8.8.8.8:80")
+            .map_err(|e| e.to_string())?;
+        socket
+            .local_addr()
+            .map(|addr| addr.ip())
+            .map_err(|e| e.to_string())
+    }
+
+    fn draw_qrcode(data: String) -> String {
+        let code = QrCode::new(data).expect("Failed to generate QR Code");
+        let ascii_qr = code.render::<unicode::Dense1x2>().quiet_zone(false).build();
+        return ascii_qr.replace("\n", ",")
+    }
+
+    let parsed_data = get_local_ip();
+
+    match parsed_data {
+        Ok(ip) => {
+            result.push(draw_qrcode(ip.to_string()));
+            result.push(ip.to_string())
+        },
+        Err(_) => {
+            result.push("not provided".to_string());
+            result.push("not provided".to_string());
+        },
+    }
+
+    return result;
+}

src/lib.rs

@@ -29,6 +29,7 @@ pub fn init() -> Extension {
     Extension::build()
         .command("start", commands::start)
         .command("stop", commands::stop)
+        .command("local_ip", commands::local_qrcode)
         .command("message", commands::message)
         .command("location", commands::location)
         .finish()