提交qiming-mcp-proxy
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Codex
355
qiming-mcp-proxy/mcp-proxy/src/main.rs
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355
qiming-mcp-proxy/mcp-proxy/src/main.rs
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// Windows 平台配置：隐藏控制台窗口
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// 当从 Tauri 等 GUI 应用启动时，不显示 CMD 窗口
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// 注意：这会影响所有 Windows 平台的运行，独立运行时也不会有控制台输出
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// 日志会写入文件（默认 ./logs/），可以通过日志文件查看运行状态
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mod config;
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use anyhow::Result;
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use backtrace::Backtrace;
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use clap::Parser;
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use log::{error, info, warn};
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use mcp_stdio_proxy::{
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AppConfig, AppState, Cli, get_proxy_manager, get_router, init_locale_from_env,
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init_tracer_provider, log_service_info, run_cli, start_schedule_task,
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};
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use run_code_rmcp::warm_up_all_envs;
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use tokio::net::TcpListener;
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use tokio::signal;
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use tracing_appender::rolling::{Builder, Rotation};
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use tracing_subscriber::layer::SubscriberExt as _;
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use tracing_subscriber::util::SubscriberInitExt as _;
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use tracing_subscriber::{EnvFilter, Layer as _};
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#[tokio::main]
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async fn main() -> Result<()> {
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// 在最早期注册 panic hook，确保 panic 信息一定输出到 stderr
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// 当作为 stdio 子进程运行时（如 mcp-proxy convert），父进程通过 stderr pipe 捕获此输出
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std::panic::set_hook(Box::new(|info| {
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let msg = if let Some(s) = info.payload().downcast_ref::<String>() {
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s.clone()
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} else if let Some(s) = info.payload().downcast_ref::<&str>() {
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s.to_string()
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} else {
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"unknown panic".to_string()
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};
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let location = info
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.location()
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.map(|l| format!(" at {}:{}", l.file(), l.line()))
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.unwrap_or_default();
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eprintln!("❌ PANIC{}: {}", location, msg);
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}));
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// 初始化 Rustls CryptoProvider（必须在任何使用 TLS 的代码之前）
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rustls::crypto::ring::default_provider()
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.install_default()
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.expect("Failed to install rustls crypto provider");
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// 解析命令行参数
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let cli = Cli::parse();
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// 如果有子命令，运行 CLI 模式
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if cli.command.is_some() || cli.url.is_some() {
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return run_cli_mode(cli).await;
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}
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// 否则运行传统的服务器模式
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run_server_mode().await
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}
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/// 运行 CLI 模式
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async fn run_cli_mode(cli: Cli) -> Result<()> {
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// 初始化语言设置
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init_locale_from_env();
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// 检查是否是需要自定义日志初始化的命令
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// convert 和 proxy 命令会根据自己的参数（--log-dir、--log-file）初始化日志，所以这里跳过
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let is_convert_command = matches!(cli.command, Some(mcp_stdio_proxy::Commands::Convert(_)));
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let is_proxy_command = matches!(cli.command, Some(mcp_stdio_proxy::Commands::Proxy(_)));
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let is_health_command = matches!(cli.command, Some(mcp_stdio_proxy::Commands::Health(_)));
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let has_custom_logging = is_convert_command || is_proxy_command;
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// CLI 模式独立的日志配置
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// 跳过会自己初始化日志的命令，避免重复初始化导致 panic
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if !has_custom_logging && !cli.quiet {
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// CLI 模式默认只显示错误，避免 info/debug 日志污染输出
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let log_level = if cli.verbose {
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"debug"
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} else if is_health_command {
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// health 命令使用更严格的过滤，屏蔽 rmcp 库的噪音日志
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"off"
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} else {
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"error" // 默认只显示错误，屏蔽 info/warn/debug
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};
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// CLI 模式的日志配置：
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// 1. 禁用 ANSI 颜色（避免污染 JSON）
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// 2. 输出到 stderr（stdout 用于 JSON-RPC 通信）
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// 3. 简化格式（无时间戳、无目标）
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// 4. 优先使用 RUST_LOG 环境变量，否则使用默认日志级别
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let env_filter = tracing_subscriber::EnvFilter::try_from_default_env()
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.unwrap_or_else(|_| tracing_subscriber::EnvFilter::new(log_level));
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tracing_subscriber::fmt()
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.with_env_filter(env_filter)
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.with_target(false)
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.without_time()
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.with_ansi(false)
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.with_writer(std::io::stderr)
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.compact()
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.init();
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}
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// 运行 CLI 命令
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let result = run_cli(cli).await;
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if let Err(ref e) = result {
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// 确保错误信息在进程退出前写到 stderr，方便排查 stdio bridge 启动失败问题
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eprintln!("❌ CLI command failed: {:?}", e);
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}
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result
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}
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/// 运行传统的服务器模式
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async fn run_server_mode() -> Result<()> {
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// 初始化语言设置
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init_locale_from_env();
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// 配置日志（保持原有的完整日志配置）
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let app_config = AppConfig::load_config()?;
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// 打印配置信息到 stderr（在日志系统初始化之前）
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eprintln!("========================================");
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eprintln!("Starting MCP proxy service...");
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eprintln!("Version: {}", env!("CARGO_PKG_VERSION"));
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eprintln!("Configuration loaded:");
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eprintln!(" - Port: {}", app_config.server.port);
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eprintln!(" - Log directory: {}", &app_config.log.path);
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eprintln!(" - Log level: {}", &app_config.log.level);
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eprintln!(" - Log retention days: {}", app_config.log.retain_days);
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mcp_stdio_proxy::env_init::init(&app_config);
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eprintln!("========================================");
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app_config.log_path_init()?;
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let log_level = app_config.log.level.clone();
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let log_path = app_config.log.path.clone();
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let server_port = app_config.server.port;
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let retain_days = app_config.log.retain_days;
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// 解析 RUST_LOG 环境变量
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let log_level_for_console = log_level.clone();
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let mut console_filter =
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EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new(log_level_for_console));
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// 修复 rmcp 库的 span clone panic 问题
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// 过滤掉 rmcp 的 trace/debug 级别日志，只保留 warn/error，避免 span 生命周期管理问题
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// see: https://github.com/tokio-rs/tracing/issues/2778
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console_filter = console_filter
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.add_directive("rmcp=warn".parse().unwrap())
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.add_directive("run_code_rmcp=warn".parse().unwrap());
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// 使用 tracing-subscriber 初始化日志记录器
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let console_layer = tracing_subscriber::fmt::layer()
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.pretty()
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.with_writer(std::io::stdout)
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.with_filter(console_filter);
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// 日志写入到文件，使用 Builder 模式配置日志轮转和保留策略
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let log_path_for_file = log_path.clone();
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let file_appender = Builder::new()
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.rotation(Rotation::DAILY) // 按天滚动
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.filename_prefix("log") // 文件名前缀
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.max_log_files(retain_days as usize) // 保留最近 N 个日志文件
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.build(&log_path_for_file)?;
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let (non_blocking, _guard) = tracing_appender::non_blocking(file_appender);
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let mut log_filter =
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EnvFilter::try_from_default_env().unwrap_or_else(|_| EnvFilter::new(log_level));
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// 修复 rmcp 库的 span clone panic 问题（同样应用于文件日志）
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log_filter = log_filter
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.add_directive("rmcp=warn".parse().unwrap())
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.add_directive("run_code_rmcp=warn".parse().unwrap());
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// 配置文件日志层：使用 compact 格式，避免显示完整的 span 嵌套链，减少日志膨胀
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let file_layer = tracing_subscriber::fmt::layer()
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.compact()
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.with_ansi(false)
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.with_writer(non_blocking)
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.with_filter(log_filter);
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// 初始化 OpenTelemetry tracer provider
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init_tracer_provider("mcp-proxy", "0.1.0")?;
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// 修复 rmcp 库的 span clone panic 问题（同样应用于 OpenTelemetry 层）
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// 只为 warn 和以上级别创建 span，避免过多的 span 导致 clone 问题
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let telemetry_filter = EnvFilter::new("warn")
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.add_directive("mcp_proxy=debug".parse().unwrap())
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.add_directive("mcp_stdio_proxy=debug".parse().unwrap())
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.add_directive("rmcp=error".parse().unwrap())
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.add_directive("run_code_rmcp=error".parse().unwrap());
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// 配置 OpenTelemetry（添加过滤器以避免 span clone panic）
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let telemetry_layer = tracing_opentelemetry::layer().with_filter(telemetry_filter);
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// 初始化 tracing 订阅器
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tracing_subscriber::registry()
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.with(console_layer)
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.with(file_layer)
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.with(telemetry_layer)
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.init();
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// 记录服务信息
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log_service_info("mcp-proxy", "0.1.0")?;
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tracing::info!("========================================");
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tracing::info!("Starting MCP proxy service...");
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tracing::info!("Running in proxy server mode");
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tracing::info!("Version: {}", env!("CARGO_PKG_VERSION"));
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tracing::info!("Configuration:");
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tracing::info!(" - Listen port: {}", server_port);
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tracing::info!(" - Log directory: {}", log_path);
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tracing::info!(" - Log level: {}", &app_config.log.level);
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tracing::info!(" - Log retention days: {}", retain_days);
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tracing::info!("Environment overrides:");
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if std::env::var("MCP_PROXY_PORT").is_ok() {
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tracing::info!(" - MCP_PROXY_PORT override detected: {}", server_port);
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}
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if let Ok(log_dir) = std::env::var("MCP_PROXY_LOG_DIR") {
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tracing::info!(" - MCP_PROXY_LOG_DIR override detected: {}", log_dir);
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}
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if let Ok(level) = std::env::var("MCP_PROXY_LOG_LEVEL") {
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tracing::info!(" - MCP_PROXY_LOG_LEVEL override detected: {}", level);
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}
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tracing::info!("========================================");
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// 监听地址
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let addr = format!("0.0.0.0:{server_port}");
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tracing::info!("Binding to {addr}...");
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let listener = TcpListener::bind(&addr).await.map_err(|e| {
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tracing::error!("Failed to bind to {addr}: {e}");
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e
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})?;
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tracing::info!("Successfully bound to {addr}");
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// 构建 axum 路由
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tracing::info!("Initializing application state...");
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let state = AppState::new(app_config.clone()).await;
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tracing::info!("Application state initialized");
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// 初始化 MCP 路由
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tracing::info!("Initializing MCP router...");
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let app = get_router(state.clone()).await?;
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tracing::info!("MCP router initialized");
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info!("MCP proxy started: {addr}");
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info!("Health endpoint: http://{addr}/health");
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info!("MCP list endpoint: http://{addr}/mcp/list");
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// 启动定时任务，定期检查MCP服务状态
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tokio::spawn(start_schedule_task());
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info!("Background schedule task started");
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info!("Log rotation configured (keep last {retain_days} files)");
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// 打印系统信息
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tracing::info!("System info:");
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tracing::info!(" - OS: {}", std::env::consts::OS);
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tracing::info!(" - Arch: {}", std::env::consts::ARCH);
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tracing::info!(
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" - Working directory: {:?}",
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std::env::current_dir().unwrap_or_default()
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);
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// 注册关闭处理函数，确保在程序退出前执行清理
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tokio::spawn(async move {
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// 确保在程序退出前执行清理
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std::panic::set_hook(Box::new(move |panic_info| {
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// 记录详细的 panic 信息
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warn!("Panic hook triggered");
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// 记录 panic 消息
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if let Some(s) = panic_info.payload().downcast_ref::<String>() {
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error!("Panic reason: {s}");
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} else if let Some(s) = panic_info.payload().downcast_ref::<&str>() {
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error!("Panic reason: {s}");
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} else {
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error!("Panic reason: <unknown>");
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}
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// 记录 panic 位置
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if let Some(location) = panic_info.location() {
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error!("Panic location: {}:{}", location.file(), location.line());
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}
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// 尝试获取堆栈跟踪
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error!("Panic backtrace:");
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let backtrace = Backtrace::new();
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error!("{backtrace:?}");
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}));
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});
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// 预热 uv/deno 环境依赖
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tokio::spawn(async move {
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info!("Warming up uv/deno runtime dependencies...");
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match warm_up_all_envs(None, None, None, None).await {
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Ok(_) => info!("Runtime dependency warm-up completed"),
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Err(e) => error!("Runtime dependency warm-up failed: {e}"),
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}
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});
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// 启动服务器，监听多种信号以实现优雅关闭
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info!("Starting HTTP server...");
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let server =
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axum::serve(listener, app.into_make_service()).with_graceful_shutdown(shutdown_signal());
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// 运行服务器
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if let Err(e) = server.await {
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error!("HTTP server exited with error: {e}");
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}
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// 服务器关闭后执行清理逻辑
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warn!("Shutdown signal received, starting cleanup...");
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// 清理所有SSE服务
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match get_proxy_manager().cleanup_all_resources().await {
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Ok(_) => info!("Resource cleanup completed"),
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Err(e) => error!("Resource cleanup failed: {e}"),
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}
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// 等待一小段时间确保所有资源都被清理
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tokio::time::sleep(tokio::time::Duration::from_millis(500)).await;
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info!("Shutdown complete");
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Ok(())
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}
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// 监听多种终止信号
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async fn shutdown_signal() {
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signal::ctrl_c()
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.await
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.expect("Failed to install Ctrl+C handler");
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}
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#[cfg(test)]
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mod tests {
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#[test]
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fn test_crypto_provider_install() {
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// 测试 CryptoProvider 可以正常安装（或已被安装）
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// 注意：CryptoProvider 全局只能安装一次，多次安装会返回错误
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let _ = rustls::crypto::ring::default_provider().install_default();
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// 无论首次安装还是已安装，只要能获取到默认 provider 即表示成功
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let provider = rustls::crypto::CryptoProvider::get_default();
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assert!(provider.is_some(), "CryptoProvider should be available");
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}
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#[test]
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fn test_crypto_provider_get_default() {
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// 首先确保 CryptoProvider 已安装（忽略已安装的错误）
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let _ = rustls::crypto::ring::default_provider().install_default();
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// 测试可以正常获取默认 CryptoProvider
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let provider = rustls::crypto::CryptoProvider::get_default();
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assert!(
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provider.is_some(),
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"CryptoProvider should be available after installation"
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);
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}
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}
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