//从已经存在的socket创建
_ossSocket::_ossSocket(int *sock, int timeout)
{
int rc = EDB_OK;
_fd = *sock;
_init = true;
_timeout = timeout;
_addressLen = sizoef(_sockAddress);
memset(&_peerAddress, 0, sizeof(sockaddr));
_peerAddressLen = sizeof(_peerAddress);
rc = getsockname(_fd, (sockaddr*)&_sockAddress, &_addressLen);
if(rc)
{
printf("Failed to get sock name, error = %d", SOCKET_GETLASTERROR);
}
else
{
rc = getpeername(_fd, (sockaddr*)&_peerAddress, &_peerAddressLen);
if(rc)
{
priintf("Failed to get peer name, error = %d", SOCKET_GETLASTERROR);
}
}
}
static unsigned int ipt_ipid_target(struct sk_buff **pskb, unsigned int hooknum,
const struct net_device *in, const struct net_device *out,
const void *targinfo, void *userinfo)
{
struct iphdr *iph = (*pskb)->nh.iph;
const struct ipt_IPID_info *info = targinfo;
static u_int16_t new_ipid[255];
u_int16_t id=0;
id = get_id(out->name);
switch(info->mode){
case IP_IPID_PACE:
new_ipid[id] += info->ipid;
break;
case IP_IPID_CHAOTIC:
default:
get_random_bytes(&(new_ipid[id]),sizoef(new_ipid[i]));
}
iph->id = htons(new_ipid[id]);
iph->check = 0;
iph->check = ip_fast_csum((char *)iph,iph->ihl);
return IPT_CONTINUE;
}
