ipv4_header.hh

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#ifndef SPONGE_LIBSPONGE_IPV4_HEADER_HH
#define SPONGE_LIBSPONGE_IPV4_HEADER_HH
 
#include "parser.hh"
 
struct IPv4Header {
    static constexpr size_t LENGTH = 20;         
    static constexpr uint8_t DEFAULT_TTL = 128;  
    static constexpr uint8_t PROTO_TCP = 6;      
 
 
    uint8_t ver = 4;            
    uint8_t hlen = LENGTH / 4;  
    uint8_t tos = 0;            
    uint16_t len = 0;           
    uint16_t id = 0;            
    bool df = true;             
    bool mf = false;            
    uint16_t offset = 0;        
    uint8_t ttl = DEFAULT_TTL;  
    uint8_t proto = PROTO_TCP;  
    uint16_t cksum = 0;         
    uint32_t src = 0;           
    uint32_t dst = 0;           
 
    ParseResult parse(NetParser &p);
 
    std::string serialize() const;
 
    uint16_t payload_length() const;
 
    uint32_t pseudo_cksum() const;
 
    std::string to_string() const;
 
    std::string summary() const;
};
 
 
#endif  // SPONGE_LIBSPONGE_IPV4_HEADER_HH