rate_limit.hpp

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// Copyright (c) 2025 [caomengxuan666]
 
#pragma once
 
#include <chrono>
#include <string>
 
#include "cxxmcp/core/result.hpp"
 
 
namespace mcp::server {
 
struct RateLimitRequest {
  std::string subject;
  std::string method;
  std::size_t request_bytes = 0;
};
 
struct RateLimitDecision {
  bool allowed = true;
  std::chrono::milliseconds retry_after{0};
};
 
class RateLimiter {
 public:
  virtual ~RateLimiter() = default;
 
  virtual core::Result<RateLimitDecision> check(
      const RateLimitRequest& request) = 0;
};
 
}  // namespace mcp::server