feat(runner): add protocol mode to CLI and benchmark config

README.md

@@ -43,22 +43,23 @@ cargo build --release
 Terminal 1 - Start server:
 
 ```bash
-./target/release/server --mode x25519 --listen 127.0.0.1:4433
+./target/release/server --mode x25519 --proto raw --listen 127.0.0.1:4433
 ```
 
 Terminal 2 - Run benchmark:
 
 ```bash
-./target/release/runner --server 127.0.0.1:4433 --mode x25519 --iters 100 --warmup 10
+./target/release/runner --server 127.0.0.1:4433 --proto raw --mode x25519 --iters 100 --warmup 10
 ```
 
 ### Run Matrix Benchmarks
 
-Create a config file (`matrix.toml`):
+Create a config file (`benchmarks.toml`):
 
 ```toml
 [[benchmarks]]
 server = "127.0.0.1:4433"
+proto = "raw"
 mode = "x25519"
 payload = 1024
 iters = 100
@@ -67,6 +68,7 @@ concurrency = 1
 
 [[benchmarks]]
 server = "127.0.0.1:4433"
+proto = "http1"
 mode = "x25519mlkem768"
 payload = 1024
 iters = 100

runner/src/args.rs

@@ -6,7 +6,11 @@ use std::{net::SocketAddr, path::PathBuf};
 #[derive(Debug, Parser)]
 #[command(name = "runner", version, about)]
 pub struct Args {
-    /// Key exchange mode.
+    /// Protocol carrier mode
+    #[arg(long, default_value = "raw")]
+    pub proto: ProtocolMode,
+
+    /// Key exchange mode
     #[arg(long, default_value = "x25519")]
     pub mode: KeyExchangeMode,
 

runner/src/config/mod.rs

@@ -12,6 +12,7 @@ use std::{fs::read_to_string, net::SocketAddr, path::Path};
 
 #[derive(Debug, Clone, Deserialize)]
 pub struct BenchmarkConfig {
+    pub proto: ProtocolMode,
     pub mode: KeyExchangeMode,
     pub payload: u32,
     pub iters: u32,
@@ -29,7 +30,10 @@ pub struct Config {
 ///
 /// # Errors
 /// Returns an error if the file cannot be read or parsed.
-pub fn load_from_file(path: &Path) -> error::Result<Config> {
+impl TryFrom<&Path> for Config {
+    type Error = error::Error;
+
+    fn try_from(path: &Path) -> Result<Self, Self::Error> {
         let content = read_to_string(path).map_err(|source| ConfigError::ReadError {
             source,
             path: path.to_owned(),
@@ -37,7 +41,7 @@ pub fn load_from_file(path: &Path) -> error::Result<Config> {
 
         let src = NamedSource::new(path.display().to_string(), content.clone());
 
-    let config = toml::from_str::<Config>(&content).map_err(|source| {
+        let config = toml::from_str::<Self>(&content).map_err(|source| {
             let span = source
                 .span()
                 .map(|s| SourceSpan::new(s.start.into(), s.end - s.start));
@@ -53,14 +57,19 @@ pub fn load_from_file(path: &Path) -> error::Result<Config> {
 
         Ok(config)
     }
+}
 
 /// Create benchmark configuration from CLI arguments.
 ///
 /// # Errors
-/// Never returns an error, but returns Result for consistency.
+/// Returns an error if `--server` was not provided.
-pub fn load_from_cli(args: &Args) -> error::Result<Config> {
+impl TryFrom<Args> for Config {
-    Ok(Config {
+    type Error = error::Error;
+
+    fn try_from(args: Args) -> Result<Self, Self::Error> {
+        Ok(Self {
             benchmarks: vec![BenchmarkConfig {
+                proto: args.proto,
                 mode: args.mode,
                 payload: args.payload_bytes,
                 iters: args.iters,
@@ -68,10 +77,11 @@ pub fn load_from_cli(args: &Args) -> error::Result<Config> {
                 concurrency: args.concurrency,
                 server: args
                     .server
-                .ok_or_else(|| common::Error::config("--server ir required"))?,
+                    .ok_or_else(|| common::Error::config("--server is required"))?,
             }],
         })
     }
+}
 
 #[cfg(test)]
 mod tests {
@@ -80,6 +90,7 @@ mod tests {
 
     const VALID_CONFIG: &str = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519"
 payload = 1024
 iters = 100
@@ -88,6 +99,7 @@ concurrency = 1
 server = "127.0.0.1:4433"
 
 [[benchmarks]]
+proto = "http1"
 mode = "x25519mlkem768"
 payload = 4096
 iters = 50
@@ -104,6 +116,7 @@ server = "127.0.0.1:4433"
     fn valid_single_benchmark() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519"
 payload = 1024
 iters = 100
@@ -125,10 +138,26 @@ server = "127.0.0.1:4433"
         assert_eq!(config.benchmarks[1].mode, KeyExchangeMode::X25519Mlkem768);
     }
 
+    #[test]
+    fn invalid_proto() {
+        let toml = r#"
+[[benchmarks]]
+proto = "invalid_proto"
+mode = "x25519"
+payload = 1024
+iters = 100
+warmup = 10
+concurrency = 1
+server = "127.0.0.1:4433"
+"#;
+        assert_err!(toml::from_str::<Config>(toml));
+    }
+
     #[test]
     fn invalid_mode() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "invalid_mode"
 payload = 1024
 iters = 100
@@ -143,6 +172,7 @@ server = "127.0.0.1:4433"
     fn payload_zero_validation() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519"
 payload = 0
 iters = 100
@@ -158,6 +188,7 @@ server = "127.0.0.1:4433"
     fn iters_zero_validation() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519"
 payload = 1024
 iters = 0
@@ -173,6 +204,7 @@ server = "127.0.0.1:4433"
     fn concurrency_zero_validation() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519"
 payload = 1024
 iters = 100
@@ -195,6 +227,7 @@ server = "127.0.0.1:4433"
     fn server_mode_fallback() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519"
 payload = 1024
 iters = 100
@@ -211,6 +244,7 @@ server = "127.0.0.1:4433"
     fn server_mode_mlkem() {
         let toml = r#"
 [[benchmarks]]
+proto = "raw"
 mode = "x25519mlkem768"
 payload = 1024
 iters = 100

runner/src/main.rs

@@ -12,12 +12,7 @@ mod config;
 mod error;
 mod tls;
 
-use crate::{
+use crate::{args::Args, bench::run_benchmark, config::Config, tls::build_tls_config};
-    args::Args,
-    bench::run_benchmark,
-    config::{load_from_cli, load_from_file},
-    tls::build_tls_config,
-};
 use clap::Parser;
 use miette::{Context, IntoDiagnostic};
 use rustls::pki_types::ServerName;
@@ -47,12 +42,12 @@ async fn main() -> miette::Result<()> {
 
     let args = Args::parse();
 
-    let config = if let Some(config_path) = &args.config {
+    let config: Config = if let Some(config_path) = &args.config {
         info!(config_file = %config_path.display(), "loading config from file");
-        load_from_file(config_path)?
+        config_path.as_path().try_into()?
     } else {
         info!("using CLI arguments");
-        load_from_cli(&args)?
+        args.try_into()?
     };
 
     let server_name = ServerName::try_from("localhost".to_string())
@@ -61,6 +56,7 @@ async fn main() -> miette::Result<()> {
 
     for benchmark in &config.benchmarks {
         info!(
+            proto = %benchmark.proto,
             mode = %benchmark.mode,
             payload = benchmark.payload,
             iters = benchmark.iters,

server/src/main.rs

@@ -24,7 +24,7 @@ struct Args {
     #[arg(long, default_value = "x25519")]
     mode: KeyExchangeMode,
 
-    /// Protocol carrier
+    /// Protocol carrier mode
     #[arg(long, default_value = "raw")]
     proto: ProtocolMode,