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|
//! RDMA Engine Server
//!
//! High-performance RDMA engine server that communicates with the Go sidecar
//! via IPC and handles RDMA operations with zero-copy semantics.
//!
//! Usage:
//! ```bash
//! rdma-engine-server --device mlx5_0 --port 18515 --ipc-socket /tmp/rdma-engine.sock
//! ```
use clap::Parser;
use rdma_engine::{RdmaEngine, RdmaEngineConfig};
use std::path::PathBuf;
use tracing::{info, error};
use tracing_subscriber::{EnvFilter, fmt::layer, prelude::*};
#[derive(Parser)]
#[command(
name = "rdma-engine-server",
about = "High-performance RDMA engine for SeaweedFS",
version = env!("CARGO_PKG_VERSION")
)]
struct Args {
/// UCX device name preference (e.g., mlx5_0, or 'auto' for UCX auto-selection)
#[arg(short, long, default_value = "auto")]
device: String,
/// RDMA port number
#[arg(short, long, default_value_t = 18515)]
port: u16,
/// Maximum number of concurrent sessions
#[arg(long, default_value_t = 1000)]
max_sessions: usize,
/// Session timeout in seconds
#[arg(long, default_value_t = 300)]
session_timeout: u64,
/// Memory buffer size in bytes
#[arg(long, default_value_t = 1024 * 1024 * 1024)]
buffer_size: usize,
/// IPC socket path
#[arg(long, default_value = "/tmp/rdma-engine.sock")]
ipc_socket: PathBuf,
/// Enable debug logging
#[arg(long)]
debug: bool,
/// Configuration file path
#[arg(short, long)]
config: Option<PathBuf>,
}
#[tokio::main]
async fn main() -> anyhow::Result<()> {
let args = Args::parse();
// Initialize tracing
let filter = if args.debug {
EnvFilter::try_from_default_env()
.or_else(|_| EnvFilter::try_new("debug"))
.unwrap()
} else {
EnvFilter::try_from_default_env()
.or_else(|_| EnvFilter::try_new("info"))
.unwrap()
};
tracing_subscriber::registry()
.with(layer().with_target(false))
.with(filter)
.init();
info!("🚀 Starting SeaweedFS UCX RDMA Engine Server");
info!(" Version: {}", env!("CARGO_PKG_VERSION"));
info!(" UCX Device Preference: {}", args.device);
info!(" Port: {}", args.port);
info!(" Max Sessions: {}", args.max_sessions);
info!(" Buffer Size: {} bytes", args.buffer_size);
info!(" IPC Socket: {}", args.ipc_socket.display());
info!(" Debug Mode: {}", args.debug);
// Load configuration
let config = RdmaEngineConfig {
device_name: args.device,
port: args.port,
max_sessions: args.max_sessions,
session_timeout_secs: args.session_timeout,
buffer_size: args.buffer_size,
ipc_socket_path: args.ipc_socket.to_string_lossy().to_string(),
debug: args.debug,
};
// Override with config file if provided
if let Some(config_path) = args.config {
info!("Loading configuration from: {}", config_path.display());
// TODO: Implement configuration file loading
}
// Create and run RDMA engine
let mut engine = match RdmaEngine::new(config).await {
Ok(engine) => {
info!("✅ RDMA engine initialized successfully");
engine
}
Err(e) => {
error!("❌ Failed to initialize RDMA engine: {}", e);
return Err(e);
}
};
// Set up signal handlers for graceful shutdown
let mut sigterm = tokio::signal::unix::signal(tokio::signal::unix::SignalKind::terminate())?;
let mut sigint = tokio::signal::unix::signal(tokio::signal::unix::SignalKind::interrupt())?;
// Run engine in background
let engine_handle = tokio::spawn(async move {
if let Err(e) = engine.run().await {
error!("RDMA engine error: {}", e);
return Err(e);
}
Ok(())
});
info!("🎯 RDMA engine is running and ready to accept connections");
info!(" Send SIGTERM or SIGINT to shutdown gracefully");
// Wait for shutdown signal
tokio::select! {
_ = sigterm.recv() => {
info!("📡 Received SIGTERM, shutting down gracefully");
}
_ = sigint.recv() => {
info!("📡 Received SIGINT (Ctrl+C), shutting down gracefully");
}
result = engine_handle => {
match result {
Ok(Ok(())) => info!("🏁 RDMA engine completed successfully"),
Ok(Err(e)) => {
error!("❌ RDMA engine failed: {}", e);
return Err(e);
}
Err(e) => {
error!("❌ RDMA engine task panicked: {}", e);
return Err(anyhow::anyhow!("Engine task panicked: {}", e));
}
}
}
}
info!("🛑 RDMA engine server shut down complete");
Ok(())
}
#[cfg(test)]
mod tests {
use super::*;
#[test]
fn test_args_parsing() {
let args = Args::try_parse_from(&[
"rdma-engine-server",
"--device", "mlx5_0",
"--port", "18515",
"--debug"
]).unwrap();
assert_eq!(args.device, "mlx5_0");
assert_eq!(args.port, 18515);
assert!(args.debug);
}
}
|
