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Added DHCP and BootP constructors from uint8_t buffer. Normalized IP destination and source address getters/setters.

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This commit is contained in:
Matias Fontanini
2011-08-19 10:13:35 -03:00
parent bb3ea10209
commit 3e2168f6fc
17 changed files with 161 additions and 73 deletions
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2
src/tcp.cpp
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@@ -198,7 +198,7 @@ void Tins::TCP::write_serialization(uint8_t *buffer, uint32_t total_sz, const PD
const Tins::IP *ip_packet = dynamic_cast<const Tins::IP*>(parent);
memcpy(tcp_start, &_tcp, sizeof(tcphdr));
if(!_tcp.check && ip_packet) {
uint32_t checksum = PDU::pseudoheader_checksum(ip_packet->source_address(), ip_packet->dest_address(), size(), IPPROTO_TCP) +
uint32_t checksum = PDU::pseudoheader_checksum(ip_packet->src_addr(), ip_packet->dst_addr(), size(), IPPROTO_TCP) +
PDU::do_checksum(tcp_start, tcp_start + total_sz);
while (checksum >> 16)
checksum = (checksum & 0xffff) + (checksum >> 16);