fix: use throttle.global_*.max_rate.set_kb for setting speed limits

- Changed from buggy .set method to reliable .set_kb method
- Added empty string as first parameter (throttle name)
- Convert bytes to KB before sending to rTorrent

Cargo.lock

@@ -97,6 +97,15 @@ version = "1.0.100"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "a23eb6b1614318a8071c9b2521f36b424b2c83db5eb3a0fead4a6c0809af6e61"
 
+[[package]]
+name = "arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c3d036a3c4ab069c7b410a2ce876bd74808d2d0888a82667669f8e783a898bf1"
+dependencies = [
+ "derive_arbitrary",
+]
+
 [[package]]
 name = "async-compression"
 version = "0.4.37"
@@ -120,17 +129,6 @@ dependencies = [
  "syn",
 ]
 
-[[package]]
-name = "async-trait"
-version = "0.1.89"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9035ad2d096bed7955a320ee7e2230574d28fd3c3a0f186cbea1ff3c7eed5dbb"
-dependencies = [
- "proc-macro2",
- "quote",
- "syn",
-]
-
 [[package]]
 name = "atomic-waker"
 version = "1.1.2"
@@ -175,15 +173,15 @@ checksum = "c08606f8c3cbf4ce6ec8e28fb0014a2c086708fe954eaa885384a6165172e7e8"
 
 [[package]]
 name = "axum"
-version = "0.7.9"
+version = "0.8.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edca88bc138befd0323b20752846e6587272d3b03b0343c8ea28a6f819e6e71f"
+checksum = "8b52af3cb4058c895d37317bb27508dccc8e5f2d39454016b297bf4a400597b8"
 dependencies = [
- "async-trait",
  "axum-core",
  "axum-macros",
  "base64",
  "bytes",
+ "form_urlencoded",
  "futures-util",
  "http 1.4.0",
  "http-body",
@@ -196,8 +194,7 @@ dependencies = [
  "mime",
  "percent-encoding",
  "pin-project-lite",
- "rustversion",
+ "serde_core",
- "serde",
  "serde_json",
  "serde_path_to_error",
  "serde_urlencoded",
@@ -213,19 +210,17 @@ dependencies = [
 
 [[package]]
 name = "axum-core"
-version = "0.4.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "09f2bd6146b97ae3359fa0cc6d6b376d9539582c7b4220f041a33ec24c226199"
+checksum = "08c78f31d7b1291f7ee735c1c6780ccde7785daae9a9206026862dab7d8792d1"
 dependencies = [
- "async-trait",
  "bytes",
- "futures-util",
+ "futures-core",
  "http 1.4.0",
  "http-body",
  "http-body-util",
  "mime",
  "pin-project-lite",
- "rustversion",
  "sync_wrapper",
  "tower-layer",
  "tower-service",
@@ -234,9 +229,9 @@ dependencies = [
 
 [[package]]
 name = "axum-macros"
-version = "0.4.2"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "57d123550fa8d071b7255cb0cc04dc302baa6c8c4a79f55701552684d8399bce"
+checksum = "604fde5e028fea851ce1d8570bbdc034bec850d157f7569d10f347d06808c05c"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -266,6 +261,8 @@ dependencies = [
  "tower-http",
  "tracing",
  "tracing-subscriber",
+ "utoipa",
+ "utoipa-swagger-ui",
 ]
 
 [[package]]
@@ -316,12 +313,6 @@ version = "3.19.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5dd9dc738b7a8311c7ade152424974d8115f2cdad61e8dab8dac9f2362298510"
 
-[[package]]
-name = "byteorder"
-version = "1.5.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1fd0f2584146f6f2ef48085050886acf353beff7305ebd1ae69500e27c67f64b"
-
 [[package]]
 name = "bytes"
 version = "1.11.0"
@@ -597,6 +588,17 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "derive_arbitrary"
+version = "1.4.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1e567bd82dcff979e4b03460c307b3cdc9e96fde3d73bed1496d2bc75d9dd62a"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "syn",
+]
+
 [[package]]
 name = "digest"
 version = "0.10.7"
@@ -666,6 +668,7 @@ checksum = "b375d6465b98090a5f25b1c7703f3859783755aa9a80433b36e0379a3ec2f369"
 dependencies = [
  "crc32fast",
  "miniz_oxide",
+ "zlib-rs",
 ]
 
 [[package]]
@@ -1154,6 +1157,8 @@ checksum = "7714e70437a7dc3ac8eb7e6f8df75fd8eb422675fc7678aff7364301092b1017"
 dependencies = [
  "equivalent",
  "hashbrown 0.16.1",
+ "serde",
+ "serde_core",
 ]
 
 [[package]]
@@ -1462,9 +1467,9 @@ dependencies = [
 
 [[package]]
 name = "matchit"
-version = "0.7.3"
+version = "0.8.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0e7465ac9959cc2b1404e8e2367b43684a6d13790fe23056cc8c6c5a6b7bcb94"
+checksum = "47e1ffaa40ddd1f3ed91f717a33c8c0ee23fff369e3aa8772b9605cc1d22f4c3"
 
 [[package]]
 name = "memchr"
@@ -1815,20 +1820,19 @@ checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
 [[package]]
 name = "rand"
-version = "0.8.5"
+version = "0.9.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "34af8d1a0e25924bc5b7c43c079c942339d8f0a8b57c39049bef581b46327404"
+checksum = "6db2770f06117d490610c7488547d543617b21bfa07796d7a12f6f1bd53850d1"
 dependencies = [
- "libc",
  "rand_chacha",
  "rand_core",
 ]
 
 [[package]]
 name = "rand_chacha"
-version = "0.3.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e6c10a63a0fa32252be49d21e7709d4d4baf8d231c2dbce1eaa8141b9b127d88"
+checksum = "d3022b5f1df60f26e1ffddd6c66e8aa15de382ae63b3a0c1bfc0e4d3e3f325cb"
 dependencies = [
  "ppv-lite86",
  "rand_core",
@@ -1836,11 +1840,11 @@ dependencies = [
 
 [[package]]
 name = "rand_core"
-version = "0.6.4"
+version = "0.9.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec0be4795e2f6a28069bec0b5ff3e2ac9bafc99e6a9a7dc3547996c5c816922c"
+checksum = "76afc826de14238e6e8c374ddcc1fa19e374fd8dd986b0d2af0d02377261d83c"
 dependencies = [
- "getrandom 0.2.17",
+ "getrandom 0.3.4",
 ]
 
 [[package]]
@@ -2183,6 +2187,7 @@ name = "shared"
 version = "0.1.0"
 dependencies = [
  "serde",
+ "utoipa",
 ]
 
 [[package]]
@@ -2400,9 +2405,9 @@ dependencies = [
 
 [[package]]
 name = "tokio-tungstenite"
-version = "0.24.0"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edc5f74e248dc973e0dbb7b74c7e0d6fcc301c694ff50049504004ef4d0cdcd9"
+checksum = "d25a406cddcc431a75d3d9afc6a7c0f7428d4891dd973e4d54c56b46127bf857"
 dependencies = [
  "futures-util",
  "log",
@@ -2599,11 +2604,10 @@ dependencies = [
 
 [[package]]
 name = "tungstenite"
-version = "0.24.0"
+version = "0.28.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "18e5b8366ee7a95b16d32197d0b2604b43a0be89dc5fac9f8e96ccafbaedda8a"
+checksum = "8628dcc84e5a09eb3d8423d6cb682965dea9133204e8fb3efee74c2a0c259442"
 dependencies = [
- "byteorder",
  "bytes",
  "data-encoding",
  "http 1.4.0",
@@ -2611,7 +2615,7 @@ dependencies = [
  "log",
  "rand",
  "sha1",
- "thiserror 1.0.69",
+ "thiserror 2.0.18",
  "utf-8",
 ]
 
@@ -2701,6 +2705,48 @@ version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "06abde3611657adf66d383f00b093d7faecc7fa57071cce2578660c9f1010821"
 
+[[package]]
+name = "utoipa"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2fcc29c80c21c31608227e0912b2d7fddba57ad76b606890627ba8ee7964e993"
+dependencies = [
+ "indexmap",
+ "serde",
+ "serde_json",
+ "utoipa-gen",
+]
+
+[[package]]
+name = "utoipa-gen"
+version = "5.4.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "6d79d08d92ab8af4c5e8a6da20c47ae3f61a0f1dabc1997cdf2d082b757ca08b"
+dependencies = [
+ "proc-macro2",
+ "quote",
+ "regex",
+ "syn",
+]
+
+[[package]]
+name = "utoipa-swagger-ui"
+version = "9.0.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d047458f1b5b65237c2f6dc6db136945667f40a7668627b3490b9513a3d43a55"
+dependencies = [
+ "axum",
+ "base64",
+ "mime_guess",
+ "regex",
+ "rust-embed",
+ "serde",
+ "serde_json",
+ "url",
+ "utoipa",
+ "zip",
+]
+
 [[package]]
 name = "uuid"
 version = "1.20.0"
@@ -3112,12 +3158,44 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "zip"
+version = "3.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "12598812502ed0105f607f941c386f43d441e00148fce9dec3ca5ffb0bde9308"
+dependencies = [
+ "arbitrary",
+ "crc32fast",
+ "flate2",
+ "indexmap",
+ "memchr",
+ "zopfli",
+]
+
+[[package]]
+name = "zlib-rs"
+version = "0.5.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "40990edd51aae2c2b6907af74ffb635029d5788228222c4bb811e9351c0caad3"
+
 [[package]]
 name = "zmij"
 version = "1.0.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "02aae0f83f69aafc94776e879363e9771d7ecbffe2c7fbb6c14c5e00dfe88439"
 
+[[package]]
+name = "zopfli"
+version = "0.8.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f05cd8797d63865425ff89b5c4a48804f35ba0ce8d125800027ad6017d2b5249"
+dependencies = [
+ "bumpalo",
+ "crc32fast",
+ "log",
+ "simd-adler32",
+]
+
 [[package]]
 name = "zstd"
 version = "0.13.3"

backend/src/handlers/mod.rs

@@ -595,20 +595,23 @@ pub async fn set_global_limit_handler(
 ) -> impl IntoResponse {
     let client = xmlrpc::RtorrentClient::new(&state.scgi_socket_path);
 
-    // Switch to using set_kb which is often more reliable or the standard way for limits
+    // Use throttle.global_*.max_rate.set_kb which is more reliable than .set (which is buggy)
+    // The .set_kb method expects KB/s, so we convert bytes to KB
 
     if let Some(down) = payload.max_download_rate {
+        // Convert bytes/s to KB/s (divide by 1024)
         let down_kb = down / 1024;
+        tracing::info!("Setting download limit: {} bytes/s = {} KB/s", down, down_kb);
+        
+        // Use set_kb with empty string as first param (throttle name), then value
         if let Err(e) = client
-            .call(
+            .call("throttle.global_down.max_rate.set_kb", &[
-                "throttle.global_down.max_rate.set_kb",
+                RpcParam::from(""),
-                &[RpcParam::Int(down_kb)],
+                RpcParam::Int(down_kb),
-            )
+            ])
             .await
         {
-            // Fallback or error?
+            tracing::error!("Failed to set download limit: {}", e);
-            // Maybe log and ignore?
-            // Let's assume set_kb works if set didn't (or vice versa).
             return (
                 StatusCode::INTERNAL_SERVER_ERROR,
                 format!("Failed to set down limit: {}", e),
@@ -618,14 +621,18 @@ pub async fn set_global_limit_handler(
     }
 
     if let Some(up) = payload.max_upload_rate {
+        // Convert bytes/s to KB/s
         let up_kb = up / 1024;
+        tracing::info!("Setting upload limit: {} bytes/s = {} KB/s", up, up_kb);
+        
         if let Err(e) = client
-            .call(
+            .call("throttle.global_up.max_rate.set_kb", &[
-                "throttle.global_up.max_rate.set_kb",
+                RpcParam::from(""),
-                &[RpcParam::Int(up_kb)],
+                RpcParam::Int(up_kb),
-            )
+            ])
             .await
         {
+            tracing::error!("Failed to set upload limit: {}", e);
             return (
                 StatusCode::INTERNAL_SERVER_ERROR,
                 format!("Failed to set up limit: {}", e),