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use mcprotocol_rs::{
error_codes,
protocol::ServerCapabilities,
transport::{ServerTransportFactory, TransportConfig, TransportType},
ImplementationInfo, Message, Response, ResponseError, Result, PROTOCOL_VERSION,
};
use serde_json::json;
use std::collections::HashSet;
use tokio;
#[tokio::main]
async fn main() -> Result<()> {
// 跟踪会话中使用的请求 ID
// Track request IDs used in the session
let mut session_ids = HashSet::new();
// 配置 Stdio 服务器
// Configure Stdio server
let config = TransportConfig {
transport_type: TransportType::Stdio {
server_path: None,
server_args: None,
},
parameters: None,
};
// 创建服务器实例
// Create server instance
let factory = ServerTransportFactory;
let mut server = factory.create(config)?;
let mut initialized = false;
// 启动服务器
// Start server
eprintln!("Server starting...");
server.initialize().await?;
// 处理消息循环
// Message handling loop
loop {
match server.receive().await {
Ok(message) => {
match message {
Message::Request(request) => {
// 验证请求 ID 的唯一性
// Validate request ID uniqueness
if !request.validate_id_uniqueness(&mut session_ids) {
let error = ResponseError {
code: error_codes::INVALID_REQUEST,
message: "Request ID has already been used".to_string(),
data: None,
};
let response = Response::error(error, request.id);
server.send(Message::Response(response)).await?;
continue;
}
match request.method.as_str() {
"initialize" => {
// 处理初始化请求
// Handle initialize request
eprintln!("Received initialize request");
// 解析客户端能力和版本
// Parse client capabilities and version
if let Some(params) = request.params {
let client_version = params
.get("protocolVersion")
.and_then(|v| v.as_str())
.unwrap_or("unknown");
// 版本检查
// Version check
if client_version != PROTOCOL_VERSION {
// 发送错误响应
// Send error response
let error = ResponseError {
code: error_codes::INVALID_REQUEST,
message: "Unsupported protocol version".to_string(),
data: Some(json!({
"supported": [PROTOCOL_VERSION],
"requested": client_version
})),
};
let response = Response::error(error, request.id);
server.send(Message::Response(response)).await?;
continue;
}
// 发送成功响应
// Send success response
let response = Response::success(
json!({
"protocolVersion": PROTOCOL_VERSION,
"capabilities": ServerCapabilities {
prompts: None,
resources: None,
tools: None,
logging: Some(json!({})),
experimental: None,
},
"serverInfo": ImplementationInfo {
name: "Example Server".to_string(),
version: "1.0.0".to_string(),
}
}),
request.id,
);
server.send(Message::Response(response)).await?;
}
}
"shutdown" => {
if !initialized {
// 如果未初始化，发送错误
// If not initialized, send error
let error = ResponseError {
code: error_codes::SERVER_NOT_INITIALIZED,
message: "Server not initialized".to_string(),
data: None,
};
let response = Response::error(error, request.id);
server.send(Message::Response(response)).await?;
continue;
}
// 发送成功响应
// Send success response
let response = Response::success(json!(null), request.id);
server.send(Message::Response(response)).await?;
// 等待退出通知
// Wait for exit notification
eprintln!("Server shutting down...");
break;
}
_ => {
if !initialized {
// 如果未初始化，拒绝其他请求
// If not initialized, reject other requests
let error = ResponseError {
code: error_codes::SERVER_NOT_INITIALIZED,
message: "Server not initialized".to_string(),
data: None,
};
let response = Response::error(error, request.id);
server.send(Message::Response(response)).await?;
}
}
}
}
Message::Notification(notification) => match notification.method.as_str() {
"initialized" => {
eprintln!("Server initialized");
initialized = true;
}
"exit" => {
eprintln!("Received exit notification");
break;
}
_ => {}
},
_ => {}
}
}
Err(e) => {
eprintln!("Error receiving message: {}", e);
break;
}
}
}
// 关闭服务器
// Close server
server.close().await?;
eprintln!("Server stopped");
Ok(())
}