commit 59a009594fb85fc9fb1dfd277f9cd61745e37ab1
Author: ddidderr <ddidderr@paul.network>
Date:   Fri Feb 11 14:43:53 2022 +0100

    UDP server hexdump to console example
    
    Just a small UDP server which listen in its own thread and sends the
    messages it receives via a flume unbounded channel to the main thread
    which prints the received message as a hexdump to the console.

diff --git a/.gitignore b/.gitignore
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..235f270
--- /dev/null
+++ b/Cargo.toml
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+[package]
+name = "udp-hexdump-example"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+flume = "0.10"
+hexyl = "0.9"
+
+[profile.release]
+lto = true
+codegen-units = 1
+debug = false
+panic = "unwind"
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..7b53d14
--- /dev/null
+++ b/README.md
@@ -0,0 +1,5 @@
+# UDP server hexdump to console example
+
+Just a small UDP server which listen in its own thread and sends the
+messages it receives via a flume unbounded channel to the main thread
+which prints the received message as a hexdump to the console.
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..d6947bd
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,49 @@
+use flume::{Receiver, Sender};
+use std::io::Write;
+use std::net::UdpSocket;
+use std::thread::{self, JoinHandle};
+use std::time::{Duration, Instant};
+
+fn listen() -> (JoinHandle<()>, Sender<Vec<u8>>, Receiver<Vec<u8>>) {
+    let (tx, rx) = flume::unbounded();
+
+    let tx_clone = tx.clone();
+    let rx_clone = rx.clone();
+
+    (
+        thread::spawn(move || {
+            let socket = UdpSocket::bind("127.0.0.1:13337").unwrap();
+
+            dbg!(&socket);
+
+            loop {
+                let mut buf = [0; 256];
+                //println!("[udp_socket] waiting for msg");
+                let (len, src) = socket.recv_from(&mut buf).unwrap();
+
+                let buf = &mut buf[..len];
+                tx.send(Vec::from(buf)).unwrap();
+            }
+        }),
+        tx_clone,
+        rx_clone,
+    )
+}
+
+fn print_hex(bytes: &[u8]) {
+    let stdout = std::io::stdout();
+    let mut stdout = stdout.lock();
+
+    let mut hxp = hexyl::Printer::new(&mut stdout, true, hexyl::BorderStyle::None, false);
+    let _ = hxp.print_all(bytes);
+}
+
+fn main() {
+    let (thread_udp, thread_udp_tx, thread_udp_rx) = listen();
+
+    for msg in thread_udp_rx.iter() {
+        print_hex(&msg);
+    }
+
+    let _ = thread_udp.join();
+}