docserver/src/tools.rs

68 lines
2.3 KiB
Rust

use std::net::{IpAddr, Ipv4Addr, SocketAddr, ToSocketAddrs};
use chrono::NaiveDateTime;
//use chrono::{DateTime,Local, Utc,NaiveDateTime};
//use std::time::{UNIX_EPOCH, Duration};
pub fn get_socket_addr(bind: &str, port: u16) -> SocketAddr {
let url = format!("{}:{}",&bind,&port);
match url.to_socket_addrs() {
Ok(addrs_op) => if let Some(addr) = addrs_op.to_owned().next() {
addr
} else {
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), port.to_owned())
}
Err(e) => {
eprintln!("Evironment load error: {} {}", e, url);
SocketAddr::new(IpAddr::V4(Ipv4Addr::new(127, 0, 0, 1)), port.to_owned())
}
}
}
pub fn generate_uuid(alphabet: String) -> String {
if alphabet.is_empty() {
return String::from("");
}
let mut code = String::new();
for _ in 0..32 {
// 16 is the length of the above Hex alphabet
let number = rand::random::<f32>() * (16 as f32);
let number = number.round() as usize;
if let Some(character) = alphabet.chars().nth(number) {
code.push(character)
}
}
code.insert(20, '-');
code.insert(16, '-');
code.insert(12, '-');
code.insert(8, '-');
code
}
#[allow(dead_code)]
pub fn path_timestamp(filepath: &str) -> u32 {
let arr_path = filepath.split("-").collect::<Vec<&str>>();
if let Some(timestamp) = arr_path.last() {
timestamp.split(".").collect::<Vec<&str>>()[0].parse().unwrap_or_default()
} else {
0
}
}
pub fn str_date_from_timestamp(timestamp: &str) -> String {
if timestamp.is_empty() { return String::from(""); }
let val: i64 = timestamp.parse().unwrap_or_default();
let datetime = NaiveDateTime::from_timestamp_opt(val, 0).unwrap_or_default(); // (Local::now());
/*
let naive_utc = dt.naive_utc();
let offset = dt.offset().clone();
// Serialize, pass through FFI... and recreate the `DateTime`:
let datetime = DateTime::<Local>::from_naive_utc_and_offset(naive_utc, offset);
// let datetime = DateTime::<Utc>::from_ut(dt, Utc);
// let val = u64::try_from(timestamp.to_owned()).unwrap_or_default();
// let str_timestamp = UNIX_EPOCH + Duration::from_millis(val);
// let datetime = DateTime::<Utc>::from(str_timestamp);
*/
datetime.format("%Y-%m-%d %H:%M:%S").to_string()
}