replace chrono dependency with jiff

Author: GyulyVGC

Cargo.lock

@@ -39,14 +39,14 @@ codegen-units = 1
 
 [dependencies]
 async-channel = "2.5.0"
-chrono = "0.4.45"
 clap = { version = "4.6.2", features = ["derive"] }
 confy = "2.0.0"
 ctrlc = { version = "3.5.2", features = ["termination"] }
 dns-lookup = "3.0.1"
 etherparse = "0.20.3"
 iced = { version = "0.14.0", features = ["tokio", "svg", "advanced", "lazy", "image"] }
 ipnet = "2.12.0"
+jiff = "0.2.35"
 listeners = "0.6.0"
 maxminddb = "0.30.0"
 pcap = "2.4.0"

Cargo.toml

@@ -2,7 +2,7 @@ use std::cmp::min;
 use std::net::IpAddr;
 
 use crate::utils::types::timestamp::Timestamp;
-use chrono::{Local, TimeZone};
+use jiff::tz::TimeZone;
 
 /// Application version number (to be displayed in gui footer)
 pub const APP_VERSION: &str = env!("CARGO_PKG_VERSION");
@@ -105,9 +105,10 @@ pub fn get_formatted_num_seconds(num_seconds: u128) -> String {
 pub fn get_formatted_timestamp(t: Timestamp) -> String {
     let date_opt = t
         .to_usecs()
-        .and_then(|usecs| Local.timestamp_micros(usecs).latest());
+        .and_then(|usecs| jiff::Timestamp::from_microsecond(usecs).ok())
+        .map(|ts| TimeZone::system().to_datetime(ts));
     if let Some(date) = date_opt {
-        date.format("%Y/%m/%d %H:%M:%S").to_string()
+        date.strftime("%Y/%m/%d %H:%M:%S").to_string()
     } else {
         "?".to_string()
     }
@@ -191,6 +192,31 @@ mod tests {
         );
     }
 
+    #[test]
+    fn test_get_formatted_timestamp() {
+        // 2023/11/14 22:13:20 UTC: the rendered day is 14 or 15 depending on the system time zone
+        let formatted = get_formatted_timestamp(Timestamp::new(1_700_000_000, 123_456));
+        assert!(formatted.starts_with("2023/11/1"), "{formatted}");
+        assert!(
+            formatted.chars().enumerate().all(|(i, c)| match i {
+                4 | 7 => c == '/',
+                10 => c == ' ',
+                13 | 16 => c == ':',
+                _ => c.is_ascii_digit(),
+            }) && formatted.len() == 19,
+            "{formatted}"
+        );
+
+        // microseconds overflow
+        assert_eq!(get_formatted_timestamp(Timestamp::new(i64::MAX, 0)), "?");
+        assert_eq!(get_formatted_timestamp(Timestamp::new(i64::MIN, 0)), "?");
+        // out of the range of dates that can be represented
+        assert_eq!(
+            get_formatted_timestamp(Timestamp::new(1_800_000_000_000, 0)),
+            "?"
+        );
+    }
+
     #[cfg(windows)]
     #[test]
     fn test_logs_file_path() {