optimized main loop

Adds colour to the text display

Cargo.lock

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+dependencies = [
+ "libc",
+ "mio",
+ "signal-hook",
+]
+
+[[package]]
+name = "signal-hook-registry"
+version = "1.4.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9203b8055f63a2a00e2f593bb0510367fe707d7ff1e5c872de2f537b339e5410"
+dependencies = [
+ "libc",
+]
+
+[[package]]
+name = "smallvec"
+version = "1.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8917285742e9f3e1683f0a9c4e6b57960b7314d0b08d30d1ecd426713ee2eee9"
+
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a2eb9349b6444b326872e140eb1cf5e7c522154d69e7a0ffb0fb81c06b37543f"
+
 [[package]]
 name = "strsim"
 version = "0.11.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7da8b5736845d9f2fcb837ea5d9e2628564b3b043a70948a3f0b778838c5fb4f"
 
+[[package]]
+name = "strum"
+version = "0.26.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8fec0f0aef304996cf250b31b5a10dee7980c85da9d759361292b8bca5a18f06"
+dependencies = [
+ "strum_macros",
+]
+
+[[package]]
+name = "strum_macros"
+version = "0.26.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "4c6bee85a5a24955dc440386795aa378cd9cf82acd5f764469152d2270e581be"
+dependencies = [
+ "heck",
+ "proc-macro2",
+ "quote",
+ "rustversion",
+ "syn",
+]
+
 [[package]]
 name = "syn"
 version = "2.0.100"
@@ -336,18 +867,110 @@ dependencies = [
  "unicode-ident",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b9ef9bad013ada3808854ceac7b46812a6465ba368859a37e2100283d2d719c"
+dependencies = [
+ "cfg-if",
+ "once_cell",
+]
+
+[[package]]
+name = "tracing"
+version = "0.1.41"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "784e0ac535deb450455cbfa28a6f0df145ea1bb7ae51b821cf5e7927fdcfbdd0"
+dependencies = [
+ "pin-project-lite",
+ "tracing-core",
+]
+
+[[package]]
+name = "tracing-core"
+version = "0.1.33"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e672c95779cf947c5311f83787af4fa8fffd12fb27e4993211a84bdfd9610f9c"
+dependencies = [
+ "once_cell",
+ "valuable",
+]
+
+[[package]]
+name = "tracing-error"
+version = "0.2.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8b1581020d7a273442f5b45074a6a57d5757ad0a47dac0e9f0bd57b81936f3db"
+dependencies = [
+ "tracing",
+ "tracing-subscriber",
+]
+
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.19"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e8189decb5ac0fa7bc8b96b7cb9b2701d60d48805aca84a238004d665fcc4008"
+dependencies = [
+ "sharded-slab",
+ "thread_local",
+ "tracing-core",
+]
+
 [[package]]
 name = "unicode-ident"
 version = "1.0.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a5f39404a5da50712a4c1eecf25e90dd62b613502b7e925fd4e4d19b5c96512"
 
+[[package]]
+name = "unicode-segmentation"
+version = "1.12.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f6ccf251212114b54433ec949fd6a7841275f9ada20dddd2f29e9ceea4501493"
+
+[[package]]
+name = "unicode-truncate"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "b3644627a5af5fa321c95b9b235a72fd24cd29c648c2c379431e6628655627bf"
+dependencies = [
+ "itertools",
+ "unicode-segmentation",
+ "unicode-width 0.1.14",
+]
+
+[[package]]
+name = "unicode-width"
+version = "0.1.14"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7dd6e30e90baa6f72411720665d41d89b9a3d039dc45b8faea1ddd07f617f6af"
+
+[[package]]
+name = "unicode-width"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1fc81956842c57dac11422a97c3b8195a1ff727f06e85c84ed2e8aa277c9a0fd"
+
 [[package]]
 name = "utf8parse"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "valuable"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ba73ea9cf16a25df0c8caa16c51acb937d5712a8429db78a3ee29d5dcacd3a65"
+
+[[package]]
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
+
 [[package]]
 name = "winapi"
 version = "0.3.9"
@@ -370,6 +993,15 @@ version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
+[[package]]
+name = "windows-sys"
+version = "0.52.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "282be5f36a8ce781fad8c8ae18fa3f9beff57ec1b52cb3de0789201425d9a33d"
+dependencies = [
+ "windows-targets",
+]
+
 [[package]]
 name = "windows-sys"
 version = "0.59.0"

Cargo.toml

@@ -10,6 +10,11 @@ ansi_term = "0.12"
 clap = { version = "4.5", features = ["derive"] }
 csv = "1.3"
 
+# Ratatui
+color-eyre = "0.6.3"
+crossterm = "0.28.1"
+ratatui = "0.29.0"
+
 [[bin]]
 name = "duration_to_string"
 

src/bin/pp.rs

@@ -14,8 +14,14 @@ use pp::manager::Manager;
 use pp::SECONDS_BETWEEN_DISPLAY;
 use pp::target_state::TargetState;
 use std::{env, error::Error, ffi::OsString, process};
+use color_eyre::owo_colors::OwoColorize;
+use crossterm::style::Stylize;
+use log::debug;
 
-fn get_default_targets() -> BTreeMap<String, TargetState> {
+struct PPState {}
+
+impl PPState {
+    pub fn get_default_targets() -> BTreeMap<String, TargetState> {
         let mut working = BTreeMap::new();
         working.insert("Localhost".to_string(),
                        TargetState {
@@ -70,23 +76,23 @@ fn get_default_targets() -> BTreeMap<String, TargetState> {
                        },
         );
         working
-}
+    }
-
-fn build_targets_from_file(filename: Option<PathBuf>) -> BTreeMap<String, TargetState> {
-    let mut hosts: BTreeMap<String, TargetState> = get_default_targets();
 
+    pub fn build_targets_from_file(filename: Option<PathBuf>) -> BTreeMap<String, TargetState> {
+        PPState::get_default_targets();
         if let Some(file) = filename {
-        hosts = if !&file.exists() {
+            let mut working = BTreeMap::new();
-            println!("Cant load hosts from {:?}.  Using default host list.", file.clone().as_os_str());
+            if !&file.exists() {
+                debug!("Cant load hosts from {:?}.  Using default host list.", file.clone().as_os_str());
                 // use
-            get_default_targets()
+                PPState::get_default_targets()
             } else {
-            println!("LOADING HOSTS FROM  {:?}", file.to_str());
+                debug!("LOADING HOSTS FROM  {:?}", file.to_str());
                 let file = File::open(file);
                 let mut rdr = csv::Reader::from_reader(file.unwrap());
                 for result in rdr.records() {
                     let record = result.unwrap();
-                hosts.insert(record[1].to_string(),
+                    working.insert(record[1].to_string(),
                                    TargetState {
                                        name: record[1].to_string(),
                                        target: Ipv4Addr::from_str(&record[0]).unwrap(),
@@ -95,36 +101,36 @@ fn build_targets_from_file(filename: Option<PathBuf>) -> BTreeMap<String, Target
                                        last_rtt: 0,
                                    });
                 }
-            hosts
+                working
+            }
+        } else {
+            PPState::get_default_targets()
         }
     }
-
-    hosts
 }
-
+    fn ips_from_state(to_read_from: BTreeMap<String, TargetState>) -> Vec<Ipv4Addr> {
-fn ips_from_state(to_read_from: BTreeMap<String, TargetState>) -> Vec<Ipv4Addr> {
         let mut working: Vec<Ipv4Addr> = vec![];
         for current in to_read_from {
             working.push(current.1.target);
         }
         working
-}
+    }
 
-/// Simple program to greet a person
+    /// Simple program to greet a person
-#[derive(Parser, Debug)]
+    #[derive(Parser, Debug)]
-#[command(version, about, long_about = None)]
+    #[command(version, about, long_about = None)]
-pub struct AppSettings {
+    pub struct AppSettings {
         /// File of list of hosts
         #[arg(short, long)]
         ping_host_file: Option<PathBuf>,
-}
+    }
 
-fn main() {
+    fn main() {
         // Get App Settings
         let settings = AppSettings::parse();
 
         print!("Prep to load targets...");
-    let mut targets = build_targets_from_file(settings.ping_host_file);
+        let mut targets = PPState::build_targets_from_file(settings.ping_host_file);
 
         // channel to send requests to ping
         let (ping_response_sender, ping_response_listener) = mpsc::channel::<PingResult>();
@@ -135,8 +141,10 @@ fn main() {
         let mut display_loop_start = SystemTime::now();
         let mut duration_since_last_loop = SystemTime::now().duration_since(display_loop_start).unwrap();
         loop {
+            let now = SystemTime::now();
             if let Ok(response) = ping_response_listener.recv_timeout(Duration::from_millis(100)) {
-            for (_, (name, current_state)) in targets.clone().iter().enumerate() {
+                let local_targets = targets.clone();
+                for (_, (name, current_state)) in local_targets.iter().enumerate() {
                     if current_state.target == response.target {
                         let last_alive_change = if response.success == current_state.alive {
                             current_state.last_alive_change
@@ -155,27 +163,35 @@ fn main() {
                     }
                 }
             }
-        duration_since_last_loop = SystemTime::now()
+            duration_since_last_loop = now
                 .duration_since(display_loop_start)
                 .expect("unable to figure out how long ago we displayed stuff");
             if duration_since_last_loop.as_secs() > SECONDS_BETWEEN_DISPLAY as u64 {
                 println!("DISPLAY LOOP");
                 println!("Host \t\t\t\t\t | Alive \t | RTT \t\t");
                 for (name, current_result) in targets.clone() {
-                let mut target_string = String::new();
+                    let time_since_last_change = now
-                let time_since_last_change = SystemTime::now().duration_since(current_result.last_alive_change).unwrap();
+                        .duration_since(current_result.last_alive_change)
-                target_string = format!("{} ({})", name, current_result.target);
+                        .unwrap_or(Duration::from_secs(0));
+                    let mut target_string = format!("{} ({})", name, current_result.target);
                     while target_string.len() < 34 {
-                    target_string = format!("{}     ", target_string);
+                        target_string.push(' ');
+                        // target_string = format!("{} ", target_string);
                     }
 
+                    target_string = if current_result.alive {
+                        target_string.green().to_string()
+                    } else {
+                        target_string.red().to_string()
+                    };
+
                     println!("{} \t | {} \t | {}\t | Changed {}s ago",
                              target_string,
                              current_result.alive,
                              current_result.last_rtt, time_since_last_change.as_secs()
                     );
                 }
-            display_loop_start = SystemTime::now();
+                display_loop_start = now;
+            }
         }
     }
-}

src/lib.rs

@@ -2,7 +2,7 @@ pub mod manager;
 pub mod ping_request;
 pub mod ping_result;
 pub mod target_state;
-
+mod tui;
 
 pub const SECONDS_BETWEEN_DISPLAY: u32 = 1;
 pub const SECONDS_BETWEEN_PING: u32 = 2;

src/target_state.rs

@@ -1,5 +1,10 @@
 use std::net::Ipv4Addr;
 use std::time::SystemTime;
+use ratatui::buffer::Buffer;
+use ratatui::layout::Rect;
+use ratatui::prelude::{StatefulWidget, Style};
+use ratatui::style::Color;
+use ratatui::widgets::Widget;
 
 #[derive(Clone, Debug)]
 pub struct TargetState {
@@ -21,3 +26,11 @@ impl Default for TargetState {
         }
     }
 }
+struct TargetStateWidget;
+
+impl StatefulWidget for TargetStateWidget {
+    type State = TargetStateWidget;
+    fn render(self, area: Rect, buf: &mut Buffer, state: &mut Self::State) {
+        buf.set_string(area.left(),area.top(),"This is the string set ", Style::default().fg(Color::Red));
+    }
+}