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Documented many header files. Done some minor code refactoring over PDU::clone_packet.

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This commit is contained in:
Matias Fontanini
2011-08-16 20:53:55 -03:00
parent 9b897db21f
commit e587d18796
12 changed files with 125 additions and 66 deletions
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16
src/ethernetII.cpp
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@@ -108,9 +108,8 @@ bool Tins::EthernetII::matches_response(uint8_t *ptr, uint32_t total_sz) {
void Tins::EthernetII::write_serialization(uint8_t *buffer, uint32_t total_sz, const PDU *parent) {
uint32_t my_sz = header_size();
assert(total_sz >= my_sz);
/* Inner type defaults to IP */
if ((this->_eth.payload_type == 0) && this->inner_pdu()) {
uint16_t type = ETHERTYPE_IP;
switch (this->inner_pdu()->pdu_type()) {
@@ -125,15 +124,11 @@ void Tins::EthernetII::write_serialization(uint8_t *buffer, uint32_t total_sz, c
}
this->_eth.payload_type = Utils::net_to_host_s(type);
}
memcpy(buffer, &this->_eth, sizeof(ethhdr));
}
Tins::PDU *Tins::EthernetII::recv_response(PacketSender *sender) {
struct sockaddr_ll addr;
memset(&addr, 0, sizeof(struct sockaddr_ll));
addr.sll_family = Utils::net_to_host_s(PF_PACKET);
@@ -151,13 +146,8 @@ Tins::PDU *Tins::EthernetII::clone_packet(uint8_t *ptr, uint32_t total_sz) {
ethhdr *eth_ptr = (ethhdr*)ptr;
PDU *child = 0, *cloned;
if(total_sz > sizeof(ethhdr)) {
if(inner_pdu()) {
child = inner_pdu()->clone_packet(ptr + sizeof(ethhdr), total_sz - sizeof(ethhdr));
if(!child)
return 0;
}
else
child = new RawPDU(ptr + sizeof(ethhdr), total_sz - sizeof(ethhdr));
if((child = PDU::clone_inner_pdu(ptr + sizeof(ethhdr), total_sz - sizeof(ethhdr))) == 0)
return 0;
}
cloned = new EthernetII(eth_ptr);
cloned->inner_pdu(child);