Skip to main content

RefreshTrigger

Struct RefreshTrigger 

Source
pub struct RefreshTrigger { /* private fields */ }
Expand description

A trigger that can be cloned and triggered multiple times Similar to oneshot but reusable

Implementations§

Source§

impl RefreshTrigger

Source

pub fn new() -> Self

Source

pub fn trigger(&self)

Trigger a full cache refresh (clears all entries)

Examples found in repository?
examples/library_usage.rs (line 44)
9async fn main() {
10    // Initialize tracing (optional but recommended)
11    // tracing_subscriber::fmt::init();
12
13    // Create proxy configuration
14    // You can specify method prefixes to filter by HTTP method
15    let proxy_config = CreateProxyConfig::new("http://localhost:8080".to_string())
16        .with_include_paths(vec![
17            "/api/*".to_string(),
18            "/public/*".to_string(),
19            "GET /admin/stats".to_string(), // Only cache GET requests to this endpoint
20        ])
21        .with_exclude_paths(vec![
22            "/api/admin/*".to_string(),
23            "POST *".to_string(),   // Don't cache any POST requests
24            "PUT *".to_string(),    // Don't cache any PUT requests
25            "DELETE *".to_string(), // Don't cache any DELETE requests
26        ])
27        .caching_strategy(CacheStrategy::None)
28        .compression_strategy(CompressStrategy::Brotli)
29        .with_cache_storage_mode(CacheStorageMode::Filesystem)
30        .with_cache_directory(PathBuf::from("./.phantom-frame-cache"))
31        .with_websocket_enabled(true); // Enable WebSocket support (default: true)
32
33    // Create proxy - proxy_url is the backend server to proxy requests to
34    let (proxy_app, refresh_trigger): (Router, RefreshTrigger) = create_proxy(proxy_config);
35
36    // You can clone and use the refresh_trigger in your code
37    let trigger_clone = refresh_trigger.clone();
38
39    // Example: Trigger cache refresh from another part of your application
40    tokio::spawn(async move {
41        tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
42
43        // Clear all cache entries
44        trigger_clone.trigger();
45        println!("All cache cleared!");
46
47        tokio::time::sleep(tokio::time::Duration::from_secs(30)).await;
48
49        // Clear only cache entries matching a pattern (supports wildcards)
50        trigger_clone.trigger_by_key_match("GET:/api/*");
51        println!("Cache cleared for GET:/api/* pattern!");
52    });
53
54    // Start the proxy server
55    let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
56
57    println!("Proxy server listening on http://0.0.0.0:3000");
58    println!("Caching paths: /api/*, /public/*, GET /admin/stats");
59    println!("Excluding: /api/admin/*, POST *, PUT *, DELETE *");
60    println!("Cache strategy: none (proxy-only mode)");
61    println!("Compression strategy: brotli (applies only to cached responses)");
62    println!("Cache storage mode: filesystem (custom cache directory)");
63    println!("Note: Cache reads and writes are disabled in this example");
64    println!("WebSocket support: enabled");
65
66    axum::serve(listener, proxy_app).await.unwrap();
67}
Source

pub fn trigger_by_key_match(&self, pattern: &str)

Trigger a cache refresh for entries matching a pattern Supports wildcards: “/api/”, “GET:/api/”, etc.

Examples found in repository?
examples/library_usage.rs (line 50)
9async fn main() {
10    // Initialize tracing (optional but recommended)
11    // tracing_subscriber::fmt::init();
12
13    // Create proxy configuration
14    // You can specify method prefixes to filter by HTTP method
15    let proxy_config = CreateProxyConfig::new("http://localhost:8080".to_string())
16        .with_include_paths(vec![
17            "/api/*".to_string(),
18            "/public/*".to_string(),
19            "GET /admin/stats".to_string(), // Only cache GET requests to this endpoint
20        ])
21        .with_exclude_paths(vec![
22            "/api/admin/*".to_string(),
23            "POST *".to_string(),   // Don't cache any POST requests
24            "PUT *".to_string(),    // Don't cache any PUT requests
25            "DELETE *".to_string(), // Don't cache any DELETE requests
26        ])
27        .caching_strategy(CacheStrategy::None)
28        .compression_strategy(CompressStrategy::Brotli)
29        .with_cache_storage_mode(CacheStorageMode::Filesystem)
30        .with_cache_directory(PathBuf::from("./.phantom-frame-cache"))
31        .with_websocket_enabled(true); // Enable WebSocket support (default: true)
32
33    // Create proxy - proxy_url is the backend server to proxy requests to
34    let (proxy_app, refresh_trigger): (Router, RefreshTrigger) = create_proxy(proxy_config);
35
36    // You can clone and use the refresh_trigger in your code
37    let trigger_clone = refresh_trigger.clone();
38
39    // Example: Trigger cache refresh from another part of your application
40    tokio::spawn(async move {
41        tokio::time::sleep(tokio::time::Duration::from_secs(60)).await;
42
43        // Clear all cache entries
44        trigger_clone.trigger();
45        println!("All cache cleared!");
46
47        tokio::time::sleep(tokio::time::Duration::from_secs(30)).await;
48
49        // Clear only cache entries matching a pattern (supports wildcards)
50        trigger_clone.trigger_by_key_match("GET:/api/*");
51        println!("Cache cleared for GET:/api/* pattern!");
52    });
53
54    // Start the proxy server
55    let listener = tokio::net::TcpListener::bind("0.0.0.0:3000").await.unwrap();
56
57    println!("Proxy server listening on http://0.0.0.0:3000");
58    println!("Caching paths: /api/*, /public/*, GET /admin/stats");
59    println!("Excluding: /api/admin/*, POST *, PUT *, DELETE *");
60    println!("Cache strategy: none (proxy-only mode)");
61    println!("Compression strategy: brotli (applies only to cached responses)");
62    println!("Cache storage mode: filesystem (custom cache directory)");
63    println!("Note: Cache reads and writes are disabled in this example");
64    println!("WebSocket support: enabled");
65
66    axum::serve(listener, proxy_app).await.unwrap();
67}
Source

pub fn subscribe(&self) -> Receiver<RefreshMessage>

Subscribe to refresh events

Trait Implementations§

Source§

impl Clone for RefreshTrigger

Source§

fn clone(&self) -> RefreshTrigger

Returns a duplicate of the value. Read more
1.0.0 · Source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
Source§

impl Default for RefreshTrigger

Source§

fn default() -> Self

Returns the “default value” for a type. Read more

Auto Trait Implementations§

Blanket Implementations§

Source§

impl<T> Any for T
where T: 'static + ?Sized,

Source§

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
Source§

impl<T> Borrow<T> for T
where T: ?Sized,

Source§

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
Source§

impl<T> BorrowMut<T> for T
where T: ?Sized,

Source§

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more
Source§

impl<T> CloneToUninit for T
where T: Clone,

Source§

unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
Source§

impl<T> From<T> for T

Source§

fn from(t: T) -> T

Returns the argument unchanged.

Source§

impl<T> FromRef<T> for T
where T: Clone,

Source§

fn from_ref(input: &T) -> T

Converts to this type from a reference to the input type.
Source§

impl<T> Instrument for T

Source§

fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
Source§

fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more
Source§

impl<T, U> Into<U> for T
where U: From<T>,

Source§

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

Source§

impl<T> PolicyExt for T
where T: ?Sized,

Source§

fn and<P, B, E>(self, other: P) -> And<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow only if self and other return Action::Follow. Read more
Source§

fn or<P, B, E>(self, other: P) -> Or<T, P>
where T: Policy<B, E>, P: Policy<B, E>,

Create a new Policy that returns Action::Follow if either self or other returns Action::Follow. Read more
Source§

impl<T> ToOwned for T
where T: Clone,

Source§

type Owned = T

The resulting type after obtaining ownership.
Source§

fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more
Source§

fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more
Source§

impl<T, U> TryFrom<U> for T
where U: Into<T>,

Source§

type Error = Infallible

The type returned in the event of a conversion error.
Source§

fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
Source§

impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

Source§

type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
Source§

fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
Source§

impl<T> WithSubscriber for T

Source§

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self>
where S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more
Source§

impl<A, B, T> HttpServerConnExec<A, B> for T
where B: Body,