int tcpdemux::process_pkt(const be13::packet_info &pi)
{
int r = 1; // not processed yet
switch(pi.ip_version()){
case 4:
r = process_ip4(pi);
break;
case 6:
r = process_ip6(pi);
break;
}
if(r!=0){ // packet not processed?
/* Write the packet if we didn't process it */
if(pwriter) pwriter->writepkt(pi.pcap_hdr,pi.pcap_data);
}
/* Process the timeout, if there is any */
if(tcp_timeout){
std::vector<flow *> to_close;
for(flow_map_t::iterator it = flow_map.begin(); it!=flow_map.end(); it++){
tcpip &tcp = *(it->second);
flow &f = tcp.myflow;
uint32_t age = pi.ts.tv_sec - f.tlast.tv_sec;
if (age > tcp_timeout){
to_close.push_back(&f);
}
}
for(std::vector<flow *>::iterator it = to_close.begin(); it!=to_close.end(); it++){
remove_flow(*(*it));
}
}
return r;
}
void tcpdemux::process_ip(const struct timeval &ts,const u_char *data, uint32_t caplen,int32_t vlan)
{
const struct ip *ip_header = (struct ip *) data;
if (caplen < sizeof(struct ip)) {
DEBUG(6) ("can't determine IP datagram version!");
return;
}
if(ip_header->ip_v == 6) {
process_ip6(ts,data, caplen,vlan);
} else {
process_ip4(ts,data, caplen,vlan);
}
}
int tcpdemux::process_pkt(const be13::packet_info &pi)
{
DEBUG(10)("process_pkt..............................................................................");
int r = 1; // not processed yet
switch(pi.ip_version()){
case 4:
r = process_ip4(pi);
break;
case 6:
r = process_ip6(pi);
break;
}
if(r!=0){ // packet not processed?
/* Write the packet if we didn't process it */
if(pwriter) pwriter->writepkt(pi.pcap_hdr,pi.pcap_data);
}
/* Process the timeout, if there is any */
if(tcp_timeout){
/* Get a list of the flows that need to be closed. */
std::vector<flow_addr *> to_close;
for(flow_map_t::iterator it = flow_map.begin(); it!=flow_map.end(); it++){
tcpip &tcp = *(it->second);
uint32_t age = pi.ts.tv_sec - tcp.myflow.tlast.tv_sec;
if (age > tcp_timeout){
to_close.push_back(&tcp.myflow);
}
}
/* Close them. This removes the flows from the flow_map(), which is why we need
* to create the list first.
*/
for(std::vector<flow_addr *>::iterator it = to_close.begin(); it!=to_close.end(); it++){
remove_flow(*(*it));
}
}
return r;
}
