Add support for success reward and fractional token mgmt

.changelog/1762986506.md

@@ -0,0 +1,11 @@
+---
+applies_to:
+- client
+authors:
+- annahay
+references: []
+breaking: false
+new_feature: false
+bug_fix: true
+---
+Add support for static retry strategy

.changelog/1763060740.md

@@ -0,0 +1,11 @@
+---
+applies_to:
+- client
+authors:
+- annahay
+references: []
+breaking: false
+new_feature: true
+bug_fix: false
+---
+Add support for configurable token bucket success reward and fractional token management

aws/codegen-aws-sdk/src/test/kotlin/software/amazon/smithy/rustsdk/RetryPartitionTest.kt

@@ -114,6 +114,7 @@ class RetryPartitionTest {
                     "RetryPartition" to RuntimeType.smithyRuntime(ctx.runtimeConfig).resolve("client::retries::RetryPartition"),
                     "RuntimeComponents" to RuntimeType.runtimeComponents(ctx.runtimeConfig),
                     "TokenBucket" to RuntimeType.smithyRuntime(ctx.runtimeConfig).resolve("client::retries::TokenBucket"),
+                    "MAXIMUM_CAPACITY" to RuntimeType.smithyRuntime(ctx.runtimeConfig).resolve("client::retries::MAXIMUM_CAPACITY"),
                 )
             crate.integrationTest("custom_retry_partition") {
                 tokioTest("test_custom_token_bucket") {
@@ -139,7 +140,8 @@ class RetryPartitionTest {
                             ) -> Result<(), #{BoxError}> {
                                 self.called.fetch_add(1, Ordering::Relaxed);
                                 let token_bucket = cfg.load::<#{TokenBucket}>().unwrap();
-                                let expected = format!("permits: {}", tokio::sync::Semaphore::MAX_PERMITS);
+                                let max_capacity = #{MAXIMUM_CAPACITY};
+                                let expected = format!("permits: {}", max_capacity);
                                 assert!(
                                     format!("{token_bucket:?}").contains(&expected),
                                     "Expected debug output to contain `{expected}`, but got: {token_bucket:?}"

rust-runtime/aws-smithy-runtime/src/client/retries.rs

@@ -18,7 +18,7 @@ use std::fmt;
 pub use client_rate_limiter::{
     ClientRateLimiter, ClientRateLimiterBuilder, ClientRateLimiterPartition,
 };
-pub use token_bucket::{TokenBucket, TokenBucketBuilder};
+pub use token_bucket::{TokenBucket, TokenBucketBuilder, MAXIMUM_CAPACITY};
 
 use std::borrow::Cow;