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https://github.com/outbackdingo/firezone.git
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f11a902b3d
Currently, the platform-specific code for controlling DNS resolution on a system sits in `firezone-headless-client`. This code is also used by the GUI client. This creates a weird compile-time dependency from the GUI client to the headless client. For other components that have platform-specific implementations, we use the `firezone-bin-shared` crate. As a first step of resolving the compile-time dependency, we move the `dns_control` module to `firezone-bin-shared`.
46 lines
1.6 KiB
Rust
46 lines
1.6 KiB
Rust
#![allow(clippy::unwrap_used)]
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use firezone_bin_shared::{DnsControlMethod, new_dns_notifier, new_network_notifier};
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use futures::future::FutureExt as _;
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use std::time::Duration;
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use tokio::time::timeout;
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/// Smoke test for the DNS and network change notifiers
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///
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/// Turn them on, wait a second, turn them off.
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/// This tests that the threads quit gracefully when we call `close`, and they don't crash on startup.
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#[tokio::test]
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async fn notifiers() {
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firezone_logging::test_global("debug");
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let tokio_handle = tokio::runtime::Handle::current();
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let mut dns = new_dns_notifier(tokio_handle.clone(), DnsControlMethod::default())
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.await
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.unwrap();
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let mut net = new_network_notifier(tokio_handle, DnsControlMethod::default())
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.await
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.unwrap();
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tokio::time::sleep(std::time::Duration::from_secs(1)).await;
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// The notifiers always notify once they start listening for changes, to avoid gaps during startup.
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timeout(Duration::from_secs(1), dns.notified())
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.await
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.unwrap()
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.unwrap();
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timeout(Duration::from_secs(1), net.notified())
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.await
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.unwrap()
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.unwrap();
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// After that first notification, we shouldn't get any other notifications during a normal unit test.
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assert!(dns.notified().now_or_never().is_none());
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assert!(net.notified().now_or_never().is_none());
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// `close` consumes the notifiers, so we can catch errors and can't call any methods on a closed notifier. If the notifier is dropped, we internally call the same code that `close` calls.
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dns.close().unwrap();
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net.close().unwrap();
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}
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