32 lines
938 B
C++
32 lines
938 B
C++
#pragma once
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#include "eth.h"
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#include "ip4.h"
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#include "udp4.h"
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#include "dhcp4.h"
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namespace packet {
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struct packet {
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eth::header const * eth;
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ip4::header const * ip4;
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udp4::header const * udp4;
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dhcp4::message const * dhcp4;
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};
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void parse(uint8_t const * buf, int length, packet * p);
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const int eth_offset = 0;
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const int ip4_offset = (sizeof (eth::header));
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const int udp4_offset = (sizeof (eth::header)) + (sizeof (ip4::header));
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const int dhcp4_offset = (sizeof (eth::header)) + (sizeof (ip4::header)) + (sizeof (udp4::header));
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int make(uint8_t * buf,
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uint8_t const * eth_source_address,
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uint8_t const * eth_destination_address,
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uint32_t const ip4_source_address,
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uint32_t const ip4_destination_address,
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uint32_t const dhcp_transaction_id,
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uint32_t const dhcp_message_type,
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dhcp4::message_parameters const * params);
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};
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