diff options
| -rw-r--r-- | talpid-core/src/dns/windows/dnsapi.rs | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/talpid-core/src/dns/windows/dnsapi.rs b/talpid-core/src/dns/windows/dnsapi.rs index 2d428468ff..a9232b1cb1 100644 --- a/talpid-core/src/dns/windows/dnsapi.rs +++ b/talpid-core/src/dns/windows/dnsapi.rs @@ -5,7 +5,7 @@ use std::{ atomic::{AtomicUsize, Ordering}, mpsc, Arc, }, - time::Duration, + time::{Duration, Instant}, }; use winapi::{ shared::minwindef::{BOOL, FALSE}, @@ -105,10 +105,20 @@ impl DnsApi { let flush_fn = self.flush_fn; std::thread::spawn(move || { + let begin = Instant::now(); + let result = if unsafe { (flush_fn)() } == FALSE { Err(Error::FlushCache) } else { - log::debug!("Flushed DNS resolver cache"); + let elapsed = begin.elapsed(); + if elapsed >= FLUSH_TIMEOUT { + log::warn!( + "Flushing system DNS cache took {} seconds", + elapsed.as_secs() + ); + } else { + log::debug!("Flushed system DNS cache"); + } Ok(()) }; let _ = tx.send(result); |