57 lines
1.3 KiB
C++
57 lines
1.3 KiB
C++
#ifndef COPPINO_IPV6_H
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#define COPPINO_IPV6_H
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namespace ipv6 {
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const uint8_t LEN = 128;
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const uint8_t ICMP_ECHO_REQUEST_TYPE = 128;
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const uint8_t ICMP_ECHO_REPLY_TYPE = 129;
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const uint8_t NH_ICMP = 58;
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const uint8_t NH_UDP = 17;
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class IPv6Addr {
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private:
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char address[16];
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public:
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IPv6Addr();
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IPv6Addr(const char* address);
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void deserialize(const char* address);
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const char* serialize();
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};
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extern const IPv6Addr ALL_NODES_ADDRESS;
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struct ipv6_packet_header {
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char field[4];
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char len[2];
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char next_header;
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char hop_limit;
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IPv6Addr src_addr;
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IPv6Addr dst_addr;
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}__attribute__((packed));
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class IPv6Packet {
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private:
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char packet[LEN];
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public:
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void setSrcAddress(IPv6Addr& address);
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void setDstAddress(IPv6Addr& address);
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void setNextHeader(uint8_t next_header);
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void setFlow(const char* flow);
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void setPayload(char* payload, int len);
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char* serialize();
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void deserialize(const char*, int len);
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void doAction();
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};
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/* Note: content of message may be changed */
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void handleICMP(const char* src, const char* dst, const char* flow, char* message, int len);
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uint16_t compute_checksum(const char* src_addr, const char* dst_addr, uint8_t next_header, const char* payload, int len);
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}
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#endif
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