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Moved PDU::pseudoheader_checksum and PDU::do_checksum to Utils namespace.

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Matias Fontanini
2011-09-07 09:52:58 -03:00
parent a216cf8401
commit f30f404632
7 changed files with 51 additions and 52 deletions
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3
src/icmp.cpp
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@@ -177,7 +177,8 @@ void Tins::ICMP::set_redirect(uint8_t icode, uint32_t address) {
void Tins::ICMP::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *) {
assert(total_sz >= sizeof(icmphdr));
if(!_icmp.check) {
uint32_t checksum = PDU::do_checksum(buffer + sizeof(icmphdr), buffer + total_sz) + PDU::do_checksum((uint8_t*)&_icmp, ((uint8_t*)&_icmp) + sizeof(icmphdr));
uint32_t checksum = Utils::do_checksum(buffer + sizeof(icmphdr), buffer + total_sz) +
Utils::do_checksum((uint8_t*)&_icmp, ((uint8_t*)&_icmp) + sizeof(icmphdr));
while (checksum >> 16)
checksum = (checksum & 0xffff) + (checksum >> 16);
_icmp.check = Utils::net_to_host_s(~checksum);