Struct aws_sdk_databrew::middleware::DefaultMiddleware
source · #[non_exhaustive]pub struct DefaultMiddleware;
Expand description
AWS Middleware Stack
This implements the middleware stack for this service. It will:
- Load credentials asynchronously into the property bag
- Sign the request with SigV4
- Resolve an Endpoint for the request
- Add a user agent to the request
Implementations§
source§impl DefaultMiddleware
impl DefaultMiddleware
sourcepub fn new() -> Self
pub fn new() -> Self
Create a new DefaultMiddleware
stack
Note: DefaultMiddleware
holds no state.
Examples found in repository?
src/client.rs (line 5555)
5505 5506 5507 5508 5509 5510 5511 5512 5513 5514 5515 5516 5517 5518 5519 5520 5521 5522 5523 5524 5525 5526 5527 5528 5529 5530 5531 5532 5533 5534 5535 5536 5537 5538 5539 5540 5541 5542 5543 5544 5545 5546 5547 5548 5549 5550 5551 5552 5553 5554 5555 5556 5557 5558 5559 5560 5561 5562 5563 5564 5565
pub fn from_conf(conf: crate::Config) -> Self {
let retry_config = conf
.retry_config()
.cloned()
.unwrap_or_else(aws_smithy_types::retry::RetryConfig::disabled);
let timeout_config = conf
.timeout_config()
.cloned()
.unwrap_or_else(aws_smithy_types::timeout::TimeoutConfig::disabled);
let sleep_impl = conf.sleep_impl();
if (retry_config.has_retry() || timeout_config.has_timeouts()) && sleep_impl.is_none() {
panic!("An async sleep implementation is required for retries or timeouts to work. \
Set the `sleep_impl` on the Config passed into this function to fix this panic.");
}
let connector = conf.http_connector().and_then(|c| {
let timeout_config = conf
.timeout_config()
.cloned()
.unwrap_or_else(aws_smithy_types::timeout::TimeoutConfig::disabled);
let connector_settings =
aws_smithy_client::http_connector::ConnectorSettings::from_timeout_config(
&timeout_config,
);
c.connector(&connector_settings, conf.sleep_impl())
});
let builder = aws_smithy_client::Builder::new();
let builder = match connector {
// Use provided connector
Some(c) => builder.connector(c),
None => {
#[cfg(any(feature = "rustls", feature = "native-tls"))]
{
// Use default connector based on enabled features
builder.dyn_https_connector(
aws_smithy_client::http_connector::ConnectorSettings::from_timeout_config(
&timeout_config,
),
)
}
#[cfg(not(any(feature = "rustls", feature = "native-tls")))]
{
panic!("No HTTP connector was available. Enable the `rustls` or `native-tls` crate feature or set a connector to fix this.");
}
}
};
let mut builder = builder
.middleware(aws_smithy_client::erase::DynMiddleware::new(
crate::middleware::DefaultMiddleware::new(),
))
.retry_config(retry_config.into())
.operation_timeout_config(timeout_config.into());
builder.set_sleep_impl(sleep_impl);
let client = builder.build();
Self {
handle: std::sync::Arc::new(Handle { client, conf }),
}
}
Trait Implementations§
source§impl Clone for DefaultMiddleware
impl Clone for DefaultMiddleware
source§fn clone(&self) -> DefaultMiddleware
fn clone(&self) -> DefaultMiddleware
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source
. Read moresource§impl Debug for DefaultMiddleware
impl Debug for DefaultMiddleware
source§impl Default for DefaultMiddleware
impl Default for DefaultMiddleware
source§fn default() -> DefaultMiddleware
fn default() -> DefaultMiddleware
Returns the “default value” for a type. Read more
source§impl<S> Layer<S> for DefaultMiddleware
impl<S> Layer<S> for DefaultMiddleware
§type Service = <Stack<MapRequestLayer<RecursionDetectionStage>, Stack<MapRequestLayer<SigV4SigningStage>, Stack<AsyncMapRequestLayer<CredentialsStage>, Stack<MapRequestLayer<UserAgentStage>, Stack<MapRequestLayer<AwsAuthStage>, Stack<MapRequestLayer<SmithyEndpointStage>, Identity>>>>>> as Layer<S>>::Service
type Service = <Stack<MapRequestLayer<RecursionDetectionStage>, Stack<MapRequestLayer<SigV4SigningStage>, Stack<AsyncMapRequestLayer<CredentialsStage>, Stack<MapRequestLayer<UserAgentStage>, Stack<MapRequestLayer<AwsAuthStage>, Stack<MapRequestLayer<SmithyEndpointStage>, Identity>>>>>> as Layer<S>>::Service
The wrapped service