C++ IPAddress::raw_address方法代码示例

void EthernetClass::begin(IPAddress local_ip, IPAddress dns_server, IPAddress gateway, IPAddress subnet)
{
  w5500.init();
  w5500.setIPAddress(local_ip.raw_address());
  w5500.setGatewayIp(gateway.raw_address());
  w5500.setSubnetMask(subnet.raw_address());
  _dnsServerAddress = dns_server;
}

void EthernetClass::begin(uint8_t *mac, IPAddress local_ip, IPAddress dns_server, IPAddress gateway, IPAddress subnet)
{
  W5100.init();
  W5100.setMACAddress(mac);
  W5100.setIPAddress(local_ip.raw_address());
  W5100.setGatewayIp(gateway.raw_address());
  W5100.setSubnetMask(subnet.raw_address());
  _dnsServerAddress = dns_server;
}

void EthernetClass::begin(IPAddress local_ip, IPAddress dns_server, IPAddress gateway, IPAddress subnet)
{
  W5100.init();
  SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
  W5100.setIPAddress(local_ip.raw_address());
  W5100.setGatewayIp(gateway.raw_address());
  W5100.setSubnetMask(subnet.raw_address());
  SPI.endTransaction();
  _dnsServerAddress = dns_server;
}

int Client::connect(IPAddress ip, uint16_t port) {
  if (_sock != MAX_SOCK_NUM)
    return 0;

  for (int i = 0; i < MAX_SOCK_NUM; i++) {
    uint8_t s = W5100.readSnSR(i);
    if (s == SnSR::CLOSED || s == SnSR::FIN_WAIT) {
      _sock = i;
      break;
    }
  }

  if (_sock == MAX_SOCK_NUM)
    return 0;

  _srcport++;
  if (_srcport == 0) _srcport = 1024;
  socket(_sock, SnMR::TCP, _srcport, 0);

  if (!::connect(_sock, ip.raw_address(), port)) {
    _sock = MAX_SOCK_NUM;
    return 0;
  }

  while (status() != SnSR::ESTABLISHED) {
    delay(1);
    if (status() == SnSR::CLOSED) {
      _sock = MAX_SOCK_NUM;
      return 0;
    }
  }

  return 1;
}

IPAddress EthernetClass::gatewayIP()
{
  IPAddress ret;
  SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
  W5100.getGatewayIp(ret.raw_address());
  SPI.endTransaction();
  return ret;
}

IPAddress EthernetClass::subnetMask()
{
  IPAddress ret;
  SPI.beginTransaction(SPI_ETHERNET_SETTINGS);
  W5100.getSubnetMask(ret.raw_address());
  SPI.endTransaction();
  return ret;
}

int UdpPort::recvfrom ( uint8_t* buf, uint16_t len, int flags, uint32_t* ipAddressPtr, uint16_t* portPtr ) {
    IPAddress remoteIp;
    uint8_t packLen;
    if(_castStat == STAT_UNICAST) {
        packLen = _udpUnicast.read(buf, len);
        *portPtr = _udpUnicast.remotePort();
        remoteIp = _udpUnicast.remoteIP();
    } else if(_castStat == STAT_MULTICAST) {
        packLen = _udpMulticast.read(buf, len);
        *portPtr = _udpMulticast.remotePort();
        remoteIp = _udpMulticast.remoteIP();
    } else {
        return 0;
    }
    memcpy(ipAddressPtr,remoteIp.raw_address(), 4);
    return packLen;
}

int EthernetClient::connect(IPAddress ip, uint16_t port)
{
	if (m_sock)
		return 0;
	struct sockaddr_in sin = {0};
	sin.sin_family = AF_INET;
	sin.sin_port = htons(port);
	sin.sin_addr.s_addr = *(uint32_t*) (ip.raw_address());
	m_sock = socket(AF_INET, SOCK_STREAM, 0);
	if (::connect(m_sock, (struct sockaddr *) &sin, sizeof(sin)) < 0)
	{
		trace("Error Connecting(%d)%s\n", errno, strerror(errno));
		return false;
	}
	m_connected = true;
	return 1;
}

IPAddress EthernetClass::gatewayIP()
{
  IPAddress ret;
  W5100.getGatewayIp(ret.raw_address());
  return ret;
}

IPAddress EthernetClass::subnetMask()
{
  IPAddress ret;
  W5100.getSubnetMask(ret.raw_address());
  return ret;
}

IPAddress EthernetClass::localIP()
{
  IPAddress ret;
  W5100.getIPAddress(ret.raw_address());
  return ret;
}

//.........这里部分代码省略.........
                // advance ptr to beyond it
                while(len--)
                {
                    iUdp.read(); // we don't care about the returned byte
                }
            }
        } while (len != 0);

        // Now jump over the type and class
        for (int i =0; i < 4; i++)
        {
            iUdp.read(); // we don't care about the returned byte
        }
    }

    // Now we're up to the bit we're interested in, the answer
    // There might be more than one answer (although we'll just use the first
    // type A answer) and some authority and additional resource records but
    // we're going to ignore all of them.

    for (uint16_t i =0; i < answerCount; i++)
    {
        // Skip the name
        uint8_t len;
        do
        {
            iUdp.read(&len, sizeof(len));
            if ((len & LABEL_COMPRESSION_MASK) == 0)
            {
                // It's just a normal label
                if (len > 0)
                {
                    // And it's got a length
                    // Don't need to actually read the data out for the string,
                    // just advance ptr to beyond it
                    while(len--)
                    {
                        iUdp.read(); // we don't care about the returned byte
                    }
                }
            }
            else
            {
                // This is a pointer to a somewhere else in the message for the
                // rest of the name.  We don't care about the name, and RFC1035
                // says that a name is either a sequence of labels ended with a
                // 0 length octet or a pointer or a sequence of labels ending in
                // a pointer.  Either way, when we get here we're at the end of
                // the name
                // Skip over the pointer
                iUdp.read(); // we don't care about the returned byte
                // And set len so that we drop out of the name loop
                len = 0;
            }
        } while (len != 0);

        // Check the type and class
        uint16_t answerType;
        uint16_t answerClass;
        iUdp.read((uint8_t*)&answerType, sizeof(answerType));
        iUdp.read((uint8_t*)&answerClass, sizeof(answerClass));

        // Ignore the Time-To-Live as we don't do any caching
        for (int i =0; i < TTL_SIZE; i++)
        {
            iUdp.read(); // we don't care about the returned byte
        }

        // And read out the length of this answer
        // Don't need header_flags anymore, so we can reuse it here
        iUdp.read((uint8_t*)&header_flags, sizeof(header_flags));

        if ( (htons(answerType) == TYPE_A) && (htons(answerClass) == CLASS_IN) )
        {
            if (htons(header_flags) != 4)
            {
                // It's a weird size
                // Mark the entire packet as read
                iUdp.flush();
                return -9;//INVALID_RESPONSE;
            }
            iUdp.read(aAddress.raw_address(), 4);
            return SUCCESS;
        }
        else
        {
            // This isn't an answer type we're after, move onto the next one
            for (uint16_t i =0; i < htons(header_flags); i++)
            {
                iUdp.read(); // we don't care about the returned byte
            }
        }
    }

    // Mark the entire packet as read
    iUdp.flush();

    // If we get here then we haven't found an answer
    return -10;//INVALID_RESPONSE;
}

IPAddress EthernetClass::dnsServerIP()
{
	IPAddress ret;
	SwsSock.getDnsServerIp(ret.raw_address());
	return ret;
}