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</pre></div><pre class="rust"><code><span class="doccomment">//! For middleware documentation, see [`Logger`].
</span><span class="kw">use </span>std::{
borrow::Cow,
collections::HashSet,
env,
fmt::{<span class="self">self</span>, Display <span class="kw">as _</span>},
future::Future,
marker::PhantomData,
pin::Pin,
rc::Rc,
task::{Context, Poll},
};
<span class="kw">use </span>actix_service::{Service, Transform};
<span class="kw">use </span>actix_utils::future::{ready, Ready};
<span class="kw">use </span>bytes::Bytes;
<span class="kw">use </span>futures_core::ready;
<span class="kw">use </span>log::{debug, warn};
<span class="kw">use </span>pin_project_lite::pin_project;
<span class="attr">#[cfg(feature = <span class="string">"unicode"</span>)]
</span><span class="kw">use </span>regex::Regex;
<span class="attr">#[cfg(not(feature = <span class="string">"unicode"</span>))]
</span><span class="kw">use </span>regex_lite::Regex;
<span class="kw">use </span>time::{format_description::well_known::Rfc3339, OffsetDateTime};
<span class="kw">use crate</span>::{
body::{BodySize, MessageBody},
http::header::HeaderName,
service::{ServiceRequest, ServiceResponse},
Error, <span class="prelude-ty">Result</span>,
};
<span class="doccomment">/// Middleware for logging request and response summaries to the terminal.
///
/// This middleware uses the `log` crate to output information. Enable `log`'s output for the
/// "actix_web" scope using [`env_logger`](https://docs.rs/env_logger) or similar crate.
///
/// # Default Format
/// The [`default`](Logger::default) Logger uses the following format:
///
/// ```plain
/// %a "%r" %s %b "%{Referer}i" "%{User-Agent}i" %T
///
/// Example Output:
/// 127.0.0.1:54278 "GET /test HTTP/1.1" 404 20 "-" "HTTPie/2.2.0" 0.001074
/// ```
///
/// # Examples
/// ```
/// use actix_web::{middleware::Logger, App};
///
/// // access logs are printed with the INFO level so ensure it is enabled by default
/// env_logger::init_from_env(env_logger::Env::new().default_filter_or("info"));
///
/// let app = App::new()
/// // .wrap(Logger::default())
/// .wrap(Logger::new("%a %{User-Agent}i"));
/// ```
///
/// # Format
/// Variable | Description
/// -------- | -----------
/// `%%` | The percent sign
/// `%a` | Peer IP address (or IP address of reverse proxy if used)
/// `%t` | Time when the request started processing (in RFC 3339 format)
/// `%r` | First line of request (Example: `GET /test HTTP/1.1`)
/// `%s` | Response status code
/// `%b` | Size of response in bytes, including HTTP headers
/// `%T` | Time taken to serve the request, in seconds to 6 decimal places
/// `%D` | Time taken to serve the request, in milliseconds
/// `%U` | Request URL
/// `%{r}a` | "Real IP" remote address **\***
/// `%{FOO}i` | `request.headers["FOO"]`
/// `%{FOO}o` | `response.headers["FOO"]`
/// `%{FOO}e` | `env_var["FOO"]`
/// `%{FOO}xi` | [Custom request replacement](Logger::custom_request_replace) labelled "FOO"
/// `%{FOO}xo` | [Custom response replacement](Logger::custom_response_replace) labelled "FOO"
///
/// # Security
/// **\*** "Real IP" remote address is calculated using
/// [`ConnectionInfo::realip_remote_addr()`](crate::dev::ConnectionInfo::realip_remote_addr())
///
/// If you use this value, ensure that all requests come from trusted hosts. Otherwise, it is
/// trivial for the remote client to falsify their source IP address.
</span><span class="attr">#[derive(Debug)]
</span><span class="kw">pub struct </span>Logger(Rc<Inner>);
<span class="attr">#[derive(Debug, Clone)]
</span><span class="kw">struct </span>Inner {
format: Format,
exclude: HashSet<String>,
exclude_regex: Vec<Regex>,
log_target: Cow<<span class="lifetime">'static</span>, str>,
}
<span class="kw">impl </span>Logger {
<span class="doccomment">/// Create `Logger` middleware with the specified `format`.
</span><span class="kw">pub fn </span>new(format: <span class="kw-2">&</span>str) -> Logger {
Logger(Rc::new(Inner {
format: Format::new(format),
exclude: HashSet::new(),
exclude_regex: Vec::new(),
log_target: Cow::Borrowed(<span class="macro">module_path!</span>()),
}))
}
<span class="doccomment">/// Ignore and do not log access info for specified path.
</span><span class="kw">pub fn </span>exclude<T: Into<String>>(<span class="kw-2">mut </span><span class="self">self</span>, path: T) -> <span class="self">Self </span>{
Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0</span>)
.unwrap()
.exclude
.insert(path.into());
<span class="self">self
</span>}
<span class="doccomment">/// Ignore and do not log access info for paths that match regex.
</span><span class="kw">pub fn </span>exclude_regex<T: Into<String>>(<span class="kw-2">mut </span><span class="self">self</span>, path: T) -> <span class="self">Self </span>{
<span class="kw">let </span>inner = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0</span>).unwrap();
inner.exclude_regex.push(Regex::new(<span class="kw-2">&</span>path.into()).unwrap());
<span class="self">self
</span>}
<span class="doccomment">/// Sets the logging target to `target`.
///
/// By default, the log target is `module_path!()` of the log call location. In our case, that
/// would be `actix_web::middleware::logger`.
///
/// # Examples
/// Using `.log_target("http_log")` would have this effect on request logs:
/// ```diff
/// - [2015-10-21T07:28:00Z INFO actix_web::middleware::logger] 127.0.0.1 "GET / HTTP/1.1" 200 88 "-" "dmc/1.0" 0.001985
/// + [2015-10-21T07:28:00Z INFO http_log] 127.0.0.1 "GET / HTTP/1.1" 200 88 "-" "dmc/1.0" 0.001985
/// ^^^^^^^^
/// ```
</span><span class="kw">pub fn </span>log_target(<span class="kw-2">mut </span><span class="self">self</span>, target: <span class="kw">impl </span>Into<Cow<<span class="lifetime">'static</span>, str>>) -> <span class="self">Self </span>{
<span class="kw">let </span>inner = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0</span>).unwrap();
inner.log_target = target.into();
<span class="self">self
</span>}
<span class="doccomment">/// Register a function that receives a ServiceRequest and returns a String for use in the
/// log line. The label passed as the first argument should match a replacement substring in
/// the logger format like `%{label}xi`.
///
/// It is convention to print "-" to indicate no output instead of an empty string.
///
/// # Examples
/// ```
/// # use actix_web::http::{header::HeaderValue};
/// # use actix_web::middleware::Logger;
/// # fn parse_jwt_id (_req: Option<&HeaderValue>) -> String { "jwt_uid".to_owned() }
/// Logger::new("example %{JWT_ID}xi")
/// .custom_request_replace("JWT_ID", |req| parse_jwt_id(req.headers().get("Authorization")));
/// ```
</span><span class="kw">pub fn </span>custom_request_replace(
<span class="kw-2">mut </span><span class="self">self</span>,
label: <span class="kw-2">&</span>str,
f: <span class="kw">impl </span>Fn(<span class="kw-2">&</span>ServiceRequest) -> String + <span class="lifetime">'static</span>,
) -> <span class="self">Self </span>{
<span class="kw">let </span>inner = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0</span>).unwrap();
<span class="kw">let </span>ft = inner.format.<span class="number">0</span>.iter_mut().find(
|ft| <span class="macro">matches!</span>(ft, FormatText::CustomRequest(unit_label, <span class="kw">_</span>) <span class="kw">if </span>label == unit_label),
);
<span class="kw">if let </span><span class="prelude-val">Some</span>(FormatText::CustomRequest(<span class="kw">_</span>, request_fn)) = ft {
<span class="comment">// replace into None or previously registered fn using same label
</span>request_fn.replace(CustomRequestFn {
inner_fn: Rc::new(f),
});
} <span class="kw">else </span>{
<span class="comment">// non-printed request replacement function diagnostic
</span><span class="macro">debug!</span>(
<span class="string">"Attempted to register custom request logging function for nonexistent label: {}"</span>,
label
);
}
<span class="self">self
</span>}
<span class="doccomment">/// Register a function that receives a `ServiceResponse` and returns a string for use in the
/// log line.
///
/// The label passed as the first argument should match a replacement substring in
/// the logger format like `%{label}xo`.
///
/// It is convention to print "-" to indicate no output instead of an empty string.
///
/// The replacement function does not have access to the response body.
///
/// # Examples
/// ```
/// # use actix_web::{dev::ServiceResponse, middleware::Logger};
/// fn log_if_error(res: &ServiceResponse) -> String {
/// if res.status().as_u16() >= 400 {
/// "ERROR".to_string()
/// } else {
/// "-".to_string()
/// }
/// }
///
/// Logger::new("example %{ERROR_STATUS}xo")
/// .custom_response_replace("ERROR_STATUS", |res| log_if_error(res) );
/// ```
</span><span class="kw">pub fn </span>custom_response_replace(
<span class="kw-2">mut </span><span class="self">self</span>,
label: <span class="kw-2">&</span>str,
f: <span class="kw">impl </span>Fn(<span class="kw-2">&</span>ServiceResponse) -> String + <span class="lifetime">'static</span>,
) -> <span class="self">Self </span>{
<span class="kw">let </span>inner = Rc::get_mut(<span class="kw-2">&mut </span><span class="self">self</span>.<span class="number">0</span>).unwrap();
<span class="kw">let </span>ft = inner.format.<span class="number">0</span>.iter_mut().find(
|ft| <span class="macro">matches!</span>(ft, FormatText::CustomResponse(unit_label, <span class="kw">_</span>) <span class="kw">if </span>label == unit_label),
);
<span class="kw">if let </span><span class="prelude-val">Some</span>(FormatText::CustomResponse(<span class="kw">_</span>, res_fn)) = ft {
<span class="kw-2">*</span>res_fn = <span class="prelude-val">Some</span>(CustomResponseFn {
inner_fn: Rc::new(f),
});
} <span class="kw">else </span>{
<span class="macro">debug!</span>(
<span class="string">"Attempted to register custom response logging function for non-existent label: {}"</span>,
label
);
}
<span class="self">self
</span>}
}
<span class="kw">impl </span>Default <span class="kw">for </span>Logger {
<span class="doccomment">/// Create `Logger` middleware with format:
///
/// ```plain
/// %a "%r" %s %b "%{Referer}i" "%{User-Agent}i" %T
/// ```
</span><span class="kw">fn </span>default() -> Logger {
Logger(Rc::new(Inner {
format: Format::default(),
exclude: HashSet::new(),
exclude_regex: Vec::new(),
log_target: Cow::Borrowed(<span class="macro">module_path!</span>()),
}))
}
}
<span class="kw">impl</span><S, B> Transform<S, ServiceRequest> <span class="kw">for </span>Logger
<span class="kw">where
</span>S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
B: MessageBody,
{
<span class="kw">type </span>Response = ServiceResponse<StreamLog<B>>;
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Transform = LoggerMiddleware<S>;
<span class="kw">type </span>InitError = ();
<span class="kw">type </span>Future = Ready<<span class="prelude-ty">Result</span><<span class="self">Self</span>::Transform, <span class="self">Self</span>::InitError>>;
<span class="kw">fn </span>new_transform(<span class="kw-2">&</span><span class="self">self</span>, service: S) -> <span class="self">Self</span>::Future {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span><span class="self">self</span>.<span class="number">0</span>.format.<span class="number">0 </span>{
<span class="kw">if let </span>FormatText::CustomRequest(label, <span class="prelude-val">None</span>) = unit {
<span class="macro">warn!</span>(
<span class="string">"No custom request replacement function was registered for label: {}"</span>,
label
);
}
<span class="kw">if let </span>FormatText::CustomResponse(label, <span class="prelude-val">None</span>) = unit {
<span class="macro">warn!</span>(
<span class="string">"No custom response replacement function was registered for label: {}"</span>,
label
);
}
}
ready(<span class="prelude-val">Ok</span>(LoggerMiddleware {
service,
inner: <span class="self">self</span>.<span class="number">0</span>.clone(),
}))
}
}
<span class="doccomment">/// Logger middleware service.
</span><span class="kw">pub struct </span>LoggerMiddleware<S> {
inner: Rc<Inner>,
service: S,
}
<span class="kw">impl</span><S, B> Service<ServiceRequest> <span class="kw">for </span>LoggerMiddleware<S>
<span class="kw">where
</span>S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
B: MessageBody,
{
<span class="kw">type </span>Response = ServiceResponse<StreamLog<B>>;
<span class="kw">type </span>Error = Error;
<span class="kw">type </span>Future = LoggerResponse<S, B>;
<span class="macro">actix_service::forward_ready!</span>(service);
<span class="kw">fn </span>call(<span class="kw-2">&</span><span class="self">self</span>, req: ServiceRequest) -> <span class="self">Self</span>::Future {
<span class="kw">let </span>excluded = <span class="self">self</span>.inner.exclude.contains(req.path())
|| <span class="self">self
</span>.inner
.exclude_regex
.iter()
.any(|r| r.is_match(req.path()));
<span class="kw">if </span>excluded {
LoggerResponse {
fut: <span class="self">self</span>.service.call(req),
format: <span class="prelude-val">None</span>,
time: OffsetDateTime::now_utc(),
log_target: Cow::Borrowed(<span class="string">""</span>),
_phantom: PhantomData,
}
} <span class="kw">else </span>{
<span class="kw">let </span>now = OffsetDateTime::now_utc();
<span class="kw">let </span><span class="kw-2">mut </span>format = <span class="self">self</span>.inner.format.clone();
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_request(now, <span class="kw-2">&</span>req);
}
LoggerResponse {
fut: <span class="self">self</span>.service.call(req),
format: <span class="prelude-val">Some</span>(format),
time: now,
log_target: <span class="self">self</span>.inner.log_target.clone(),
_phantom: PhantomData,
}
}
}
}
<span class="macro">pin_project!</span> {
<span class="kw">pub struct </span>LoggerResponse<S, B>
<span class="kw">where
</span>B: MessageBody,
S: Service<ServiceRequest>,
{
<span class="attr">#[pin]
</span>fut: S::Future,
time: OffsetDateTime,
format: <span class="prelude-ty">Option</span><Format>,
log_target: Cow<<span class="lifetime">'static</span>, str>,
_phantom: PhantomData<B>,
}
}
<span class="kw">impl</span><S, B> Future <span class="kw">for </span>LoggerResponse<S, B>
<span class="kw">where
</span>B: MessageBody,
S: Service<ServiceRequest, Response = ServiceResponse<B>, Error = Error>,
{
<span class="kw">type </span>Output = <span class="prelude-ty">Result</span><ServiceResponse<StreamLog<B>>, Error>;
<span class="kw">fn </span>poll(<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>, cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>) -> Poll<<span class="self">Self</span>::Output> {
<span class="kw">let </span>this = <span class="self">self</span>.project();
<span class="kw">let </span>res = <span class="kw">match </span><span class="macro">ready!</span>(this.fut.poll(cx)) {
<span class="prelude-val">Ok</span>(res) => res,
<span class="prelude-val">Err</span>(err) => <span class="kw">return </span>Poll::Ready(<span class="prelude-val">Err</span>(err)),
};
<span class="kw">if let </span><span class="prelude-val">Some</span>(error) = res.response().error() {
<span class="macro">debug!</span>(<span class="string">"Error in response: {:?}"</span>, error);
}
<span class="kw">let </span>res = <span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref mut </span>format) = this.format {
<span class="comment">// to avoid polluting all the Logger types with the body parameter we swap the body
// out temporarily since it's not usable in custom response functions anyway
</span><span class="kw">let </span>(req, res) = res.into_parts();
<span class="kw">let </span>(res, body) = res.into_parts();
<span class="kw">let </span>temp_res = ServiceResponse::new(req, res.map_into_boxed_body());
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_response(<span class="kw-2">&</span>temp_res);
}
<span class="comment">// re-construct original service response
</span><span class="kw">let </span>(req, res) = temp_res.into_parts();
ServiceResponse::new(req, res.set_body(body))
} <span class="kw">else </span>{
res
};
<span class="kw">let </span>time = <span class="kw-2">*</span>this.time;
<span class="kw">let </span>format = this.format.take();
<span class="kw">let </span>log_target = this.log_target.clone();
Poll::Ready(<span class="prelude-val">Ok</span>(res.map_body(<span class="kw">move </span>|<span class="kw">_</span>, body| StreamLog {
body,
time,
format,
size: <span class="number">0</span>,
log_target,
})))
}
}
<span class="macro">pin_project!</span> {
<span class="kw">pub struct </span>StreamLog<B> {
<span class="attr">#[pin]
</span>body: B,
format: <span class="prelude-ty">Option</span><Format>,
size: usize,
time: OffsetDateTime,
log_target: Cow<<span class="lifetime">'static</span>, str>,
}
<span class="kw">impl</span><B> PinnedDrop <span class="kw">for </span>StreamLog<B> {
<span class="kw">fn </span>drop(this: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>) {
<span class="kw">if let </span><span class="prelude-val">Some</span>(<span class="kw-2">ref </span>format) = this.format {
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span>format.<span class="number">0 </span>{
unit.render(fmt, this.size, this.time)<span class="question-mark">?</span>;
}
<span class="prelude-val">Ok</span>(())
};
<span class="macro">log::info!</span>(
target: this.log_target.as_ref(),
<span class="string">"{}"</span>, FormatDisplay(<span class="kw-2">&</span>render)
);
}
}
}
}
<span class="kw">impl</span><B: MessageBody> MessageBody <span class="kw">for </span>StreamLog<B> {
<span class="kw">type </span>Error = B::Error;
<span class="attr">#[inline]
</span><span class="kw">fn </span>size(<span class="kw-2">&</span><span class="self">self</span>) -> BodySize {
<span class="self">self</span>.body.size()
}
<span class="kw">fn </span>poll_next(
<span class="self">self</span>: Pin<<span class="kw-2">&mut </span><span class="self">Self</span>>,
cx: <span class="kw-2">&mut </span>Context<<span class="lifetime">'_</span>>,
) -> Poll<<span class="prelude-ty">Option</span><<span class="prelude-ty">Result</span><Bytes, <span class="self">Self</span>::Error>>> {
<span class="kw">let </span>this = <span class="self">self</span>.project();
<span class="kw">match </span><span class="macro">ready!</span>(this.body.poll_next(cx)) {
<span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(chunk)) => {
<span class="kw-2">*</span>this.size += chunk.len();
Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Ok</span>(chunk)))
}
<span class="prelude-val">Some</span>(<span class="prelude-val">Err</span>(err)) => Poll::Ready(<span class="prelude-val">Some</span>(<span class="prelude-val">Err</span>(err))),
<span class="prelude-val">None </span>=> Poll::Ready(<span class="prelude-val">None</span>),
}
}
}
<span class="doccomment">/// A formatting style for the `Logger` consisting of multiple concatenated `FormatText` items.
</span><span class="attr">#[derive(Debug, Clone)]
</span><span class="kw">struct </span>Format(Vec<FormatText>);
<span class="kw">impl </span>Default <span class="kw">for </span>Format {
<span class="doccomment">/// Return the default formatting style for the `Logger`:
</span><span class="kw">fn </span>default() -> Format {
Format::new(<span class="string">r#"%a "%r" %s %b "%{Referer}i" "%{User-Agent}i" %T"#</span>)
}
}
<span class="kw">impl </span>Format {
<span class="doccomment">/// Create a `Format` from a format string.
///
/// Returns `None` if the format string syntax is incorrect.
</span><span class="kw">pub fn </span>new(s: <span class="kw-2">&</span>str) -> Format {
<span class="macro">log::trace!</span>(<span class="string">"Access log format: {}"</span>, s);
<span class="kw">let </span>fmt = Regex::new(<span class="string">r"%(\{([A-Za-z0-9\-_]+)\}([aioe]|x[io])|[%atPrUsbTD]?)"</span>).unwrap();
<span class="kw">let </span><span class="kw-2">mut </span>idx = <span class="number">0</span>;
<span class="kw">let </span><span class="kw-2">mut </span>results = Vec::new();
<span class="kw">for </span>cap <span class="kw">in </span>fmt.captures_iter(s) {
<span class="kw">let </span>m = cap.get(<span class="number">0</span>).unwrap();
<span class="kw">let </span>pos = m.start();
<span class="kw">if </span>idx != pos {
results.push(FormatText::Str(s[idx..pos].to_owned()));
}
idx = m.end();
<span class="kw">if let </span><span class="prelude-val">Some</span>(key) = cap.get(<span class="number">2</span>) {
results.push(<span class="kw">match </span>cap.get(<span class="number">3</span>).unwrap().as_str() {
<span class="string">"a" </span>=> {
<span class="kw">if </span>key.as_str() == <span class="string">"r" </span>{
FormatText::RealIpRemoteAddr
} <span class="kw">else </span>{
<span class="macro">unreachable!</span>(<span class="string">"regex and code mismatch"</span>)
}
}
<span class="string">"i" </span>=> FormatText::RequestHeader(HeaderName::try_from(key.as_str()).unwrap()),
<span class="string">"o" </span>=> FormatText::ResponseHeader(HeaderName::try_from(key.as_str()).unwrap()),
<span class="string">"e" </span>=> FormatText::EnvironHeader(key.as_str().to_owned()),
<span class="string">"xi" </span>=> FormatText::CustomRequest(key.as_str().to_owned(), <span class="prelude-val">None</span>),
<span class="string">"xo" </span>=> FormatText::CustomResponse(key.as_str().to_owned(), <span class="prelude-val">None</span>),
<span class="kw">_ </span>=> <span class="macro">unreachable!</span>(),
})
} <span class="kw">else </span>{
<span class="kw">let </span>m = cap.get(<span class="number">1</span>).unwrap();
results.push(<span class="kw">match </span>m.as_str() {
<span class="string">"%" </span>=> FormatText::Percent,
<span class="string">"a" </span>=> FormatText::RemoteAddr,
<span class="string">"t" </span>=> FormatText::RequestTime,
<span class="string">"r" </span>=> FormatText::RequestLine,
<span class="string">"s" </span>=> FormatText::ResponseStatus,
<span class="string">"b" </span>=> FormatText::ResponseSize,
<span class="string">"U" </span>=> FormatText::UrlPath,
<span class="string">"T" </span>=> FormatText::Time,
<span class="string">"D" </span>=> FormatText::TimeMillis,
<span class="kw">_ </span>=> FormatText::Str(m.as_str().to_owned()),
});
}
}
<span class="kw">if </span>idx != s.len() {
results.push(FormatText::Str(s[idx..].to_owned()));
}
Format(results)
}
}
<span class="doccomment">/// A string of text to be logged.
///
/// This is either one of the data fields supported by the `Logger`, or a custom `String`.
</span><span class="attr">#[non_exhaustive]
#[derive(Debug, Clone)]
</span><span class="kw">enum </span>FormatText {
Str(String),
Percent,
RequestLine,
RequestTime,
ResponseStatus,
ResponseSize,
Time,
TimeMillis,
RemoteAddr,
RealIpRemoteAddr,
UrlPath,
RequestHeader(HeaderName),
ResponseHeader(HeaderName),
EnvironHeader(String),
CustomRequest(String, <span class="prelude-ty">Option</span><CustomRequestFn>),
CustomResponse(String, <span class="prelude-ty">Option</span><CustomResponseFn>),
}
<span class="attr">#[derive(Clone)]
</span><span class="kw">struct </span>CustomRequestFn {
inner_fn: Rc<<span class="kw">dyn </span>Fn(<span class="kw-2">&</span>ServiceRequest) -> String>,
}
<span class="kw">impl </span>CustomRequestFn {
<span class="kw">fn </span>call(<span class="kw-2">&</span><span class="self">self</span>, req: <span class="kw-2">&</span>ServiceRequest) -> String {
(<span class="self">self</span>.inner_fn)(req)
}
}
<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>CustomRequestFn {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
f.write_str(<span class="string">"custom_request_fn"</span>)
}
}
<span class="attr">#[derive(Clone)]
</span><span class="kw">struct </span>CustomResponseFn {
inner_fn: Rc<<span class="kw">dyn </span>Fn(<span class="kw-2">&</span>ServiceResponse) -> String>,
}
<span class="kw">impl </span>CustomResponseFn {
<span class="kw">fn </span>call(<span class="kw-2">&</span><span class="self">self</span>, res: <span class="kw-2">&</span>ServiceResponse) -> String {
(<span class="self">self</span>.inner_fn)(res)
}
}
<span class="kw">impl </span>fmt::Debug <span class="kw">for </span>CustomResponseFn {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, f: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> fmt::Result {
f.write_str(<span class="string">"custom_response_fn"</span>)
}
}
<span class="kw">impl </span>FormatText {
<span class="kw">fn </span>render(
<span class="kw-2">&</span><span class="self">self</span>,
fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>,
size: usize,
entry_time: OffsetDateTime,
) -> <span class="prelude-ty">Result</span><(), fmt::Error> {
<span class="kw">match </span><span class="self">self </span>{
FormatText::Str(<span class="kw-2">ref </span>string) => fmt.write_str(string),
FormatText::Percent => <span class="string">"%"</span>.fmt(fmt),
FormatText::ResponseSize => size.fmt(fmt),
FormatText::Time => {
<span class="kw">let </span>rt = OffsetDateTime::now_utc() - entry_time;
<span class="kw">let </span>rt = rt.as_seconds_f64();
fmt.write_fmt(<span class="macro">format_args!</span>(<span class="string">"{:.6}"</span>, rt))
}
FormatText::TimeMillis => {
<span class="kw">let </span>rt = OffsetDateTime::now_utc() - entry_time;
<span class="kw">let </span>rt = (rt.whole_nanoseconds() <span class="kw">as </span>f64) / <span class="number">1_000_000.0</span>;
fmt.write_fmt(<span class="macro">format_args!</span>(<span class="string">"{:.6}"</span>, rt))
}
FormatText::EnvironHeader(<span class="kw-2">ref </span>name) => {
<span class="kw">if let </span><span class="prelude-val">Ok</span>(val) = env::var(name) {
fmt.write_fmt(<span class="macro">format_args!</span>(<span class="string">"{}"</span>, val))
} <span class="kw">else </span>{
<span class="string">"-"</span>.fmt(fmt)
}
}
<span class="kw">_ </span>=> <span class="prelude-val">Ok</span>(()),
}
}
<span class="kw">fn </span>render_response(<span class="kw-2">&mut </span><span class="self">self</span>, res: <span class="kw-2">&</span>ServiceResponse) {
<span class="kw">match </span><span class="self">self </span>{
FormatText::ResponseStatus => {
<span class="kw-2">*</span><span class="self">self </span>= FormatText::Str(<span class="macro">format!</span>(<span class="string">"{}"</span>, res.status().as_u16()))
}
FormatText::ResponseHeader(<span class="kw-2">ref </span>name) => {
<span class="kw">let </span>s = <span class="kw">if let </span><span class="prelude-val">Some</span>(val) = res.headers().get(name) {
<span class="kw">if let </span><span class="prelude-val">Ok</span>(s) = val.to_str() {
s
} <span class="kw">else </span>{
<span class="string">"-"
</span>}
} <span class="kw">else </span>{
<span class="string">"-"
</span>};
<span class="kw-2">*</span><span class="self">self </span>= FormatText::Str(s.to_string())
}
FormatText::CustomResponse(<span class="kw">_</span>, res_fn) => {
<span class="kw">let </span>text = <span class="kw">match </span>res_fn {
<span class="prelude-val">Some</span>(res_fn) => FormatText::Str(res_fn.call(res)),
<span class="prelude-val">None </span>=> FormatText::Str(<span class="string">"-"</span>.to_owned()),
};
<span class="kw-2">*</span><span class="self">self </span>= text;
}
<span class="kw">_ </span>=> {}
}
}
<span class="kw">fn </span>render_request(<span class="kw-2">&mut </span><span class="self">self</span>, now: OffsetDateTime, req: <span class="kw-2">&</span>ServiceRequest) {
<span class="kw">match </span><span class="self">self </span>{
FormatText::RequestLine => {
<span class="kw-2">*</span><span class="self">self </span>= <span class="kw">if </span>req.query_string().is_empty() {
FormatText::Str(<span class="macro">format!</span>(
<span class="string">"{} {} {:?}"</span>,
req.method(),
req.path(),
req.version()
))
} <span class="kw">else </span>{
FormatText::Str(<span class="macro">format!</span>(
<span class="string">"{} {}?{} {:?}"</span>,
req.method(),
req.path(),
req.query_string(),
req.version()
))
};
}
FormatText::UrlPath => <span class="kw-2">*</span><span class="self">self </span>= FormatText::Str(req.path().to_string()),
FormatText::RequestTime => <span class="kw-2">*</span><span class="self">self </span>= FormatText::Str(now.format(<span class="kw-2">&</span>Rfc3339).unwrap()),
FormatText::RequestHeader(<span class="kw-2">ref </span>name) => {
<span class="kw">let </span>s = <span class="kw">if let </span><span class="prelude-val">Some</span>(val) = req.headers().get(name) {
<span class="kw">if let </span><span class="prelude-val">Ok</span>(s) = val.to_str() {
s
} <span class="kw">else </span>{
<span class="string">"-"
</span>}
} <span class="kw">else </span>{
<span class="string">"-"
</span>};
<span class="kw-2">*</span><span class="self">self </span>= FormatText::Str(s.to_string());
}
FormatText::RemoteAddr => {
<span class="kw">let </span>s = <span class="kw">if let </span><span class="prelude-val">Some</span>(peer) = req.connection_info().peer_addr() {
FormatText::Str((<span class="kw-2">*</span>peer).to_string())
} <span class="kw">else </span>{
FormatText::Str(<span class="string">"-"</span>.to_string())
};
<span class="kw-2">*</span><span class="self">self </span>= s;
}
FormatText::RealIpRemoteAddr => {
<span class="kw">let </span>s = <span class="kw">if let </span><span class="prelude-val">Some</span>(remote) = req.connection_info().realip_remote_addr() {
FormatText::Str(remote.to_string())
} <span class="kw">else </span>{
FormatText::Str(<span class="string">"-"</span>.to_string())
};
<span class="kw-2">*</span><span class="self">self </span>= s;
}
FormatText::CustomRequest(<span class="kw">_</span>, request_fn) => {
<span class="kw">let </span>s = <span class="kw">match </span>request_fn {
<span class="prelude-val">Some</span>(f) => FormatText::Str(f.call(req)),
<span class="prelude-val">None </span>=> FormatText::Str(<span class="string">"-"</span>.to_owned()),
};
<span class="kw-2">*</span><span class="self">self </span>= s;
}
<span class="kw">_ </span>=> {}
}
}
}
<span class="doccomment">/// Converter to get a String from something that writes to a Formatter.
</span><span class="kw">pub</span>(<span class="kw">crate</span>) <span class="kw">struct </span>FormatDisplay<<span class="lifetime">'a</span>>(<span class="kw-2">&</span><span class="lifetime">'a </span><span class="kw">dyn </span>Fn(<span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), fmt::Error>);
<span class="kw">impl</span><<span class="lifetime">'a</span>> fmt::Display <span class="kw">for </span>FormatDisplay<<span class="lifetime">'a</span>> {
<span class="kw">fn </span>fmt(<span class="kw-2">&</span><span class="self">self</span>, fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>) -> <span class="prelude-ty">Result</span><(), fmt::Error> {
(<span class="self">self</span>.<span class="number">0</span>)(fmt)
}
}
<span class="attr">#[cfg(test)]
</span><span class="kw">mod </span>tests {
<span class="kw">use </span>actix_service::IntoService;
<span class="kw">use </span>actix_utils::future::ok;
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="kw">use crate</span>::{
http::{header, StatusCode},
test::{<span class="self">self</span>, TestRequest},
HttpResponse,
};
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_logger() {
<span class="kw">let </span>srv = |req: ServiceRequest| {
ok(req.into_response(
HttpResponse::build(StatusCode::OK)
.insert_header((<span class="string">"X-Test"</span>, <span class="string">"ttt"</span>))
.finish(),
))
};
<span class="kw">let </span>logger = Logger::new(<span class="string">"%% %{User-Agent}i %{X-Test}o %{HOME}e %D test"</span>);
<span class="kw">let </span>srv = logger.new_transform(srv.into_service()).<span class="kw">await</span>.unwrap();
<span class="kw">let </span>req = TestRequest::default()
.insert_header((
header::USER_AGENT,
header::HeaderValue::from_static(<span class="string">"ACTIX-WEB"</span>),
))
.to_srv_request();
<span class="kw">let </span>_res = srv.call(req).<span class="kw">await</span>;
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_logger_exclude_regex() {
<span class="kw">let </span>srv = |req: ServiceRequest| {
ok(req.into_response(
HttpResponse::build(StatusCode::OK)
.insert_header((<span class="string">"X-Test"</span>, <span class="string">"ttt"</span>))
.finish(),
))
};
<span class="kw">let </span>logger =
Logger::new(<span class="string">"%% %{User-Agent}i %{X-Test}o %{HOME}e %D test"</span>).exclude_regex(<span class="string">"\\w"</span>);
<span class="kw">let </span>srv = logger.new_transform(srv.into_service()).<span class="kw">await</span>.unwrap();
<span class="kw">let </span>req = TestRequest::default()
.insert_header((
header::USER_AGENT,
header::HeaderValue::from_static(<span class="string">"ACTIX-WEB"</span>),
))
.to_srv_request();
<span class="kw">let </span>_res = srv.call(req).<span class="kw">await</span>.unwrap();
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_escape_percent() {
<span class="kw">let </span><span class="kw-2">mut </span>format = Format::new(<span class="string">"%%{r}a"</span>);
<span class="kw">let </span>req = TestRequest::default()
.insert_header((
header::FORWARDED,
header::HeaderValue::from_static(<span class="string">"for=192.0.2.60;proto=http;by=203.0.113.43"</span>),
))
.to_srv_request();
<span class="kw">let </span>now = OffsetDateTime::now_utc();
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_request(now, <span class="kw-2">&</span>req);
}
<span class="kw">let </span>req = TestRequest::default().to_http_request();
<span class="kw">let </span>res = ServiceResponse::new(req, HttpResponse::Ok().finish());
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_response(<span class="kw-2">&</span>res);
}
<span class="kw">let </span>entry_time = OffsetDateTime::now_utc();
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span>format.<span class="number">0 </span>{
unit.render(fmt, <span class="number">1024</span>, entry_time)<span class="question-mark">?</span>;
}
<span class="prelude-val">Ok</span>(())
};
<span class="kw">let </span>s = <span class="macro">format!</span>(<span class="string">"{}"</span>, FormatDisplay(<span class="kw-2">&</span>render));
<span class="macro">assert_eq!</span>(s, <span class="string">"%{r}a"</span>);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_url_path() {
<span class="kw">let </span><span class="kw-2">mut </span>format = Format::new(<span class="string">"%T %U"</span>);
<span class="kw">let </span>req = TestRequest::default()
.insert_header((
header::USER_AGENT,
header::HeaderValue::from_static(<span class="string">"ACTIX-WEB"</span>),
))
.uri(<span class="string">"/test/route/yeah"</span>)
.to_srv_request();
<span class="kw">let </span>now = OffsetDateTime::now_utc();
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_request(now, <span class="kw-2">&</span>req);
}
<span class="kw">let </span>req = TestRequest::default().to_http_request();
<span class="kw">let </span>res = ServiceResponse::new(req, HttpResponse::Ok().force_close().finish());
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_response(<span class="kw-2">&</span>res);
}
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span>format.<span class="number">0 </span>{
unit.render(fmt, <span class="number">1024</span>, now)<span class="question-mark">?</span>;
}
<span class="prelude-val">Ok</span>(())
};
<span class="kw">let </span>s = <span class="macro">format!</span>(<span class="string">"{}"</span>, FormatDisplay(<span class="kw-2">&</span>render));
<span class="macro">assert!</span>(s.contains(<span class="string">"/test/route/yeah"</span>));
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_default_format() {
<span class="kw">let </span><span class="kw-2">mut </span>format = Format::default();
<span class="kw">let </span>req = TestRequest::default()
.insert_header((
header::USER_AGENT,
header::HeaderValue::from_static(<span class="string">"ACTIX-WEB"</span>),
))
.peer_addr(<span class="string">"127.0.0.1:8081"</span>.parse().unwrap())
.to_srv_request();
<span class="kw">let </span>now = OffsetDateTime::now_utc();
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_request(now, <span class="kw-2">&</span>req);
}
<span class="kw">let </span>req = TestRequest::default().to_http_request();
<span class="kw">let </span>res = ServiceResponse::new(req, HttpResponse::Ok().force_close().finish());
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_response(<span class="kw-2">&</span>res);
}
<span class="kw">let </span>entry_time = OffsetDateTime::now_utc();
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span>format.<span class="number">0 </span>{
unit.render(fmt, <span class="number">1024</span>, entry_time)<span class="question-mark">?</span>;
}
<span class="prelude-val">Ok</span>(())
};
<span class="kw">let </span>s = <span class="macro">format!</span>(<span class="string">"{}"</span>, FormatDisplay(<span class="kw-2">&</span>render));
<span class="macro">assert!</span>(s.contains(<span class="string">"GET / HTTP/1.1"</span>));
<span class="macro">assert!</span>(s.contains(<span class="string">"127.0.0.1"</span>));
<span class="macro">assert!</span>(s.contains(<span class="string">"200 1024"</span>));
<span class="macro">assert!</span>(s.contains(<span class="string">"ACTIX-WEB"</span>));
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_request_time_format() {
<span class="kw">let </span><span class="kw-2">mut </span>format = Format::new(<span class="string">"%t"</span>);
<span class="kw">let </span>req = TestRequest::default().to_srv_request();
<span class="kw">let </span>now = OffsetDateTime::now_utc();
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_request(now, <span class="kw-2">&</span>req);
}
<span class="kw">let </span>req = TestRequest::default().to_http_request();
<span class="kw">let </span>res = ServiceResponse::new(req, HttpResponse::Ok().force_close().finish());
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_response(<span class="kw-2">&</span>res);
}
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span>format.<span class="number">0 </span>{
unit.render(fmt, <span class="number">1024</span>, now)<span class="question-mark">?</span>;
}
<span class="prelude-val">Ok</span>(())
};
<span class="kw">let </span>s = <span class="macro">format!</span>(<span class="string">"{}"</span>, FormatDisplay(<span class="kw-2">&</span>render));
<span class="macro">assert!</span>(s.contains(<span class="kw-2">&</span>now.format(<span class="kw-2">&</span>Rfc3339).unwrap()));
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_remote_addr_format() {
<span class="kw">let </span><span class="kw-2">mut </span>format = Format::new(<span class="string">"%{r}a"</span>);
<span class="kw">let </span>req = TestRequest::default()
.insert_header((
header::FORWARDED,
header::HeaderValue::from_static(<span class="string">"for=192.0.2.60;proto=http;by=203.0.113.43"</span>),
))
.to_srv_request();
<span class="kw">let </span>now = OffsetDateTime::now_utc();
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_request(now, <span class="kw-2">&</span>req);
}
<span class="kw">let </span>req = TestRequest::default().to_http_request();
<span class="kw">let </span>res = ServiceResponse::new(req, HttpResponse::Ok().finish());
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&mut </span>format.<span class="number">0 </span>{
unit.render_response(<span class="kw-2">&</span>res);
}
<span class="kw">let </span>entry_time = OffsetDateTime::now_utc();
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| {
<span class="kw">for </span>unit <span class="kw">in </span><span class="kw-2">&</span>format.<span class="number">0 </span>{
unit.render(fmt, <span class="number">1024</span>, entry_time)<span class="question-mark">?</span>;
}
<span class="prelude-val">Ok</span>(())
};
<span class="kw">let </span>s = <span class="macro">format!</span>(<span class="string">"{}"</span>, FormatDisplay(<span class="kw-2">&</span>render));
<span class="macro">assert!</span>(s.contains(<span class="string">"192.0.2.60"</span>));
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_custom_closure_req_log() {
<span class="kw">let </span><span class="kw-2">mut </span>logger = Logger::new(<span class="string">"test %{CUSTOM}xi"</span>)
.custom_request_replace(<span class="string">"CUSTOM"</span>, |_req: <span class="kw-2">&</span>ServiceRequest| -> String {
String::from(<span class="string">"custom_log"</span>)
});
<span class="kw">let </span><span class="kw-2">mut </span>unit = Rc::get_mut(<span class="kw-2">&mut </span>logger.<span class="number">0</span>).unwrap().format.<span class="number">0</span>[<span class="number">1</span>].clone();
<span class="kw">let </span>label = <span class="kw">match </span><span class="kw-2">&</span>unit {
FormatText::CustomRequest(label, <span class="kw">_</span>) => label,
ft => <span class="macro">panic!</span>(<span class="string">"expected CustomRequest, found {:?}"</span>, ft),
};
<span class="macro">assert_eq!</span>(label, <span class="string">"CUSTOM"</span>);
<span class="kw">let </span>req = TestRequest::default().to_srv_request();
<span class="kw">let </span>now = OffsetDateTime::now_utc();
unit.render_request(now, <span class="kw-2">&</span>req);
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| unit.render(fmt, <span class="number">1024</span>, now);
<span class="kw">let </span>log_output = FormatDisplay(<span class="kw-2">&</span>render).to_string();
<span class="macro">assert_eq!</span>(log_output, <span class="string">"custom_log"</span>);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_custom_closure_response_log() {
<span class="kw">let </span><span class="kw-2">mut </span>logger = Logger::new(<span class="string">"test %{CUSTOM}xo"</span>).custom_response_replace(
<span class="string">"CUSTOM"</span>,
|res: <span class="kw-2">&</span>ServiceResponse| -> String {
<span class="kw">if </span>res.status().as_u16() == <span class="number">200 </span>{
String::from(<span class="string">"custom_log"</span>)
} <span class="kw">else </span>{
String::from(<span class="string">"-"</span>)
}
},
);
<span class="kw">let </span><span class="kw-2">mut </span>unit = Rc::get_mut(<span class="kw-2">&mut </span>logger.<span class="number">0</span>).unwrap().format.<span class="number">0</span>[<span class="number">1</span>].clone();
<span class="kw">let </span>label = <span class="kw">match </span><span class="kw-2">&</span>unit {
FormatText::CustomResponse(label, <span class="kw">_</span>) => label,
ft => <span class="macro">panic!</span>(<span class="string">"expected CustomResponse, found {:?}"</span>, ft),
};
<span class="macro">assert_eq!</span>(label, <span class="string">"CUSTOM"</span>);
<span class="kw">let </span>req = TestRequest::default().to_http_request();
<span class="kw">let </span>resp_ok = ServiceResponse::new(req, HttpResponse::Ok().finish());
<span class="kw">let </span>now = OffsetDateTime::now_utc();
unit.render_response(<span class="kw-2">&</span>resp_ok);
<span class="kw">let </span>render = |fmt: <span class="kw-2">&mut </span>fmt::Formatter<<span class="lifetime">'_</span>>| unit.render(fmt, <span class="number">1024</span>, now);
<span class="kw">let </span>log_output = FormatDisplay(<span class="kw-2">&</span>render).to_string();
<span class="macro">assert_eq!</span>(log_output, <span class="string">"custom_log"</span>);
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>test_closure_logger_in_middleware() {
<span class="kw">let </span>captured = <span class="string">"custom log replacement"</span>;
<span class="kw">let </span>logger = Logger::new(<span class="string">"%{CUSTOM}xi"</span>)
.custom_request_replace(<span class="string">"CUSTOM"</span>, <span class="kw">move </span>|_req: <span class="kw-2">&</span>ServiceRequest| -> String {
captured.to_owned()
});
<span class="kw">let </span>srv = logger.new_transform(test::ok_service()).<span class="kw">await</span>.unwrap();
<span class="kw">let </span>req = TestRequest::default().to_srv_request();
srv.call(req).<span class="kw">await</span>.unwrap();
}
}
</code></pre></div></section></main></body></html>