93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
/**
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* @file PacketInfo.hpp
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* @author Tobias
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* @brief class to provide general packet information
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* @date 2021-06-08
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*
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*/
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#pragma once
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#include <rte_ether.h>
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#include <rte_mbuf.h>
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enum PacketType {
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NONE,
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IPv4ICMP,
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IPv4TCP,
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IPv4UDP,
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IPv6ICMP,
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IPv6TCP,
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IPv6UDP,
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IPv4,
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IPv6,
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ARP
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};
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class PacketInfo {
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public:
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inline PacketInfo() : _type(NONE), _eth_hdr(nullptr), _mbuf(nullptr) {}
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inline PacketInfo(rte_mbuf* const mbuf, rte_ether_hdr* const eth_hdr)
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: _type(NONE), _eth_hdr(eth_hdr), _mbuf(mbuf) {}
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inline ~PacketInfo() {
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//_mbuf = nullptr;
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}
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/**
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* @brief Get pointer to mbuf
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*
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* @return rte_mbuf*
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*/
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inline rte_mbuf* const get_mbuf() { return _mbuf; }
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/**
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* @brief Get PacketInfos specialised type
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*
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* @return PacketType
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*/
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inline PacketType const get_type() { return _type; }
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/**
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* @brief Get the source MAC-address
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*
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* @return rte_ether_addr
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*/
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inline rte_ether_addr get_src_mac() { return _eth_hdr->s_addr; }
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/**
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* @brief Get the destination MAC-address
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*
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* @return rte_ether_addr
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*/
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inline rte_ether_addr get_dst_mac() { return _eth_hdr->d_addr; }
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protected:
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inline PacketInfo(PacketType const type, rte_mbuf* const mbuf,
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rte_ether_hdr* const eth_hdr)
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: _type(type), _eth_hdr(eth_hdr), _mbuf(mbuf) {}
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inline PacketInfo(PacketType const type, rte_mbuf* const mbuf)
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: _type(type), _eth_hdr(nullptr), _mbuf(mbuf) {}
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PacketType const _type;
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rte_ether_hdr* const _eth_hdr;
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inline rte_ether_hdr* const get_eth_hdr() { return _eth_hdr; }
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/**
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* @brief fill out standart ethernet header
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*
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* @param dst_mac MAC-address of destination
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* @param src_mac MAC-address of claimed source
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*/
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inline void fill_eth_hdr(const rte_ether_addr& dst_mac,
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const rte_ether_addr& src_mac) {
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_eth_hdr->d_addr = dst_mac;
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_eth_hdr->s_addr = src_mac;
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}
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private:
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rte_mbuf* const _mbuf;
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}; |