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This commit is contained in:
Peter Dwyer
2022-07-05 13:10:23 +01:00
commit 131550086f
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1
.gitignore vendored Normal file
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/target

8
.idea/.gitignore generated vendored Normal file
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# Default ignored files
/shelf/
/workspace.xml
# Editor-based HTTP Client requests
/httpRequests/
# Datasource local storage ignored files
/dataSources/
/dataSources.local.xml

11
.idea/conping.iml generated Normal file
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.idea/modules.xml generated Normal file
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<?xml version="1.0" encoding="UTF-8"?>
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<module fileurl="file://$PROJECT_DIR$/.idea/conping.iml" filepath="$PROJECT_DIR$/.idea/conping.iml" />
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.idea/vcs.xml generated Normal file
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Cargo.lock generated Normal file
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11
Cargo.toml Normal file
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[package]
name = "conping"
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 = "3.2.6", features = ["derive"] }
dns-lookup = { version = "1.0.8" }
chrono = "0.4"

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src/main.rs Normal file
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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<IpAddr, String> {
if let Ok(target) = s.parse::<IpAddr>() {
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(())
}
}