Firewall.h

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#ifndef FIREWALL_H
#define FIREWALL_H
 
#include <cstdint>
#include <string>
#include <vector>

class Firewall {
public:
    bool addRange(const std::string& cidr);

    bool isBlocked(const std::string& ip) const;

    std::vector<std::string> ranges() const;

    static bool parseIpv4(const std::string& text, std::uint32_t& value);
 
private:
    struct Range {
        std::uint32_t network; 
        std::uint32_t mask;    
        std::string text;      
    };
 
    std::vector<Range> ranges_;
};
 
#endif