Add missing file

Author: gridbugs

viz-udp-app-lib/src/blink.rs

@@ -0,0 +1,47 @@
+use crate::common::{
+    MAX_F32_SAMPLES_TO_SEND, PROGRAM_NAME, VizUdpClient, VizUdpServer,
+};
+use std::{
+    net::{SocketAddr, ToSocketAddrs},
+    process::{Child, Command},
+};
+
+pub struct Config {
+    pub width: u32,
+    pub height: u32,
+    pub red: u8,
+    pub green: u8,
+    pub blue: u8,
+}
+
+impl Default for Config {
+    fn default() -> Self {
+        Self {
+            width: 100,
+            height: 100,
+            red: 0,
+            green: 255,
+            blue: 0,
+        }
+    }
+}
+
+fn start_client_app(
+    server_addr: SocketAddr,
+    program_name: &str,
+    title: &str,
+    config: &Config,
+) -> anyhow::Result<Child> {
+    let mut command = Command::new(program_name);
+    command.args([
+        format!("--server={}", server_addr.to_string()),
+        format!("--title={}", title.to_string()),
+        "oscilloscope".to_string(),
+        format!("--width={}", config.width),
+        format!("--height={}", config.height),
+        format!("--red={}", config.red),
+        format!("--green={}", config.green),
+        format!("--blue={}", config.blue),
+    ]);
+    Ok(command.spawn()?)
+}