void TCPSocket::connect(const IPv4Address &addr, int port){
struct sockaddr_in name;
if(_socket == -1) create();
name.sin_family = AF_INET;
name.sin_port = htons(port);
name.sin_addr = *addr.address();
if(::connect(_socket, (struct sockaddr *)&name, sizeof(name)) != 0){
int erx = errno;
close();
_socket = -1;
switch(erx){
case ETIMEDOUT:
throw ConnectionTimeout();
break;
case ECONNREFUSED:
throw ConnectionRefused();
break;
case ENETUNREACH:
throw NetworkUnreachable();
break;
default:
throw NetworkException(erx);
}
}
in.open(_socket);
out.open(_socket);
}
void Socket::bind(const IPv4Address &ip){
sockaddr_in name;
name.sin_family = AF_INET;
name.sin_addr = *ip.address();
if(::bind(_socket, (struct sockaddr *)&name, sizeof(sockaddr_in)) != 0){
switch(errno){
default:
NetworkException(errno);
}
}
}
void IPForensics::update_host(std::set<Host>::iterator it, IPv4Address ipv4,
IPv6Address ipv6) {
Host h = *it;
if (h.ipv4().address().empty() && !ipv4.address().empty()) {
h.set_ipv4(ipv4);
}
if (h.ipv6().address().empty() && !ipv6.address().empty()) {
h.set_ipv6(ipv6);
}
// replace previous IPv6 address if it is link-local
if (!h.ipv6().address().empty() && !ipv6.address().empty()) {
if (h.ipv6().address()[0] == ipf::kLinkLocalIPv6[0] &&
h.ipv6().address()[1] == ipf::kLinkLocalIPv6[1] &&
ipv6.address()[0] != ipf::kLinkLocalIPv6[0] &&
ipv6.address()[1] != ipf::kLinkLocalIPv6[1]) {
h.set_ipv6(ipv6);
}
}
hosts_.erase(it);
hosts_.insert(h);
}
OldUDPSocket::OldUDPSocket(const IPv4Address &addr, int _port){
#ifdef USE_EMBEDDED_CLASSNAMES
setClassName(__xvr2_Net_OldUDPSocket);
#endif
flags = MSG_NOSIGNAL;
port = _port;
bzero(&ipv4addr, sizeof(struct ::sockaddr_in));
ipv4addr.sin_family = AF_INET;
ipv4addr.sin_port = htons(_port);
ipv4addr.sin_addr = *addr.address();
tsock = socket(ipv4addr.sin_family, SOCK_DGRAM, 0);
if(tsock < 0){
switch(errno){
case EMFILE:
throw ProcOutOfFileDescriptors();
break;
case ENFILE:
throw SysOutOfFileDescriptors();
break;
default:
throw IOException();
}
}
}