From 131550086f0096ef410e2c38eec79e3b897137ad Mon Sep 17 00:00:00 2001 From: Peter Dwyer Date: Tue, 5 Jul 2022 13:10:23 +0100 Subject: [PATCH] initial commit --- .gitignore | 1 + .idea/.gitignore | 8 ++ .idea/conping.iml | 11 ++ .idea/modules.xml | 8 ++ .idea/vcs.xml | 6 + Cargo.lock | 317 ++++++++++++++++++++++++++++++++++++++++++++++ Cargo.toml | 11 ++ src/main.rs | 100 +++++++++++++++ 8 files changed, 462 insertions(+) create mode 100644 .gitignore create mode 100644 .idea/.gitignore create mode 100644 .idea/conping.iml create mode 100644 .idea/modules.xml create mode 100644 .idea/vcs.xml create mode 100644 Cargo.lock create mode 100644 Cargo.toml create mode 100644 src/main.rs diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..ea8c4bf --- /dev/null +++ b/.gitignore @@ -0,0 +1 @@ +/target diff --git a/.idea/.gitignore b/.idea/.gitignore new file mode 100644 index 0000000..13566b8 --- /dev/null +++ b/.idea/.gitignore @@ -0,0 +1,8 @@ +# Default ignored files 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b/src/main.rs @@ -0,0 +1,100 @@ +use std::net::{SocketAddr, IpAddr}; +use std::net::TcpStream; +use std::{thread, time}; +use std::fmt::{Debug}; +use std::time::Duration; +use chrono::Local; +use clap::{Parser}; +use dns_lookup::lookup_host; + + +/// Simple program to greet a person +#[derive(Parser, Debug)] +#[clap(author, version, about, long_about = None)] +struct Args { + /// Target host + #[clap(value_parser, required(false))] + host: String, + + /// Number of times to greet + #[clap(short, long, value_parser, default_value_t = 443)] + port: u16, + + /// Timeout in ms + #[clap(short, long, value_parser, default_value_t = 1000)] + timeout: u16, + + /// Delay between attempts + #[clap(short, long, value_parser, default_value_t = 1000)] + delay: u16, + + /// Repeat Connection attempts + #[clap(short, long, action)] + repeat: bool, + + /// Resolve IPv4 address + #[clap(short('4'), action)] + v4: bool, + + /// Resolve IPv6 address + #[clap(short('6'), action)] + v6: bool, +} + +fn main() { + let args = Args::parse(); + let target_result = get_target_ip(&args.host, &args.v4, &args.v6); + let target_ip: IpAddr = target_result.unwrap(); + let delay = chrono::Duration::milliseconds(1000); + let timeout = time::Duration::from_millis(args.timeout.into()); + if args.repeat { + loop { + let start = Local::now(); + let _result = ping(&target_ip, &args.port, &timeout); + let end = Local::now(); + let delta = end - start; + if delta < delay { + thread::sleep((delay-delta).to_std().unwrap()); + } + } + } else { + let _result = ping(&target_ip, &args.port, &timeout); + } +} + +fn get_target_ip(s: &str, v4: &bool, v6: &bool) -> Result { + if let Ok(target) = s.parse::() { + Ok(target as IpAddr) + } else if let Ok(ips) = lookup_host(&s) { + for ip in ips { + if !v4 && !v6 { + return Ok(ip as IpAddr); + } else if *v4 && ip.is_ipv4() { + return Ok(ip as IpAddr); + } else if *v6 && ip.is_ipv6() { + return Ok(ip as IpAddr); + } + + } + Err(format!( + "No resolved IPs", + )) + } else { + Err(format!( + "Target wrong", + )) + } + +} + +fn ping(host: &IpAddr, port: &u16, timeout: &Duration) -> Result<(), ()> { + let target = SocketAddr::from((*host, *port)); + if let Ok(_stream) = TcpStream::connect_timeout(&target, *timeout) { + println!("{} - {} - Connection Successful", Local::now().format("%Y-%m-%d %H:%M:%S"), host); + Ok(()) + } else { + println!("{} - {} - Connection Failed", Local::now().format("%Y-%m-%d %H:%M:%S"), host); + Err(()) + } + +} \ No newline at end of file