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  Copyright (c) 2014-2016 DataStax
  Licensed under the Apache License, Version 2.0 (the "License");
  you may not use this file except in compliance with the License.
  You may obtain a copy of the License at
  http://www.apache.org/licenses/LICENSE-2.0
  Unless required by applicable law or agreed to in writing, software
  distributed under the License is distributed on an "AS IS" BASIS,
  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  See the License for the specific language governing permissions and
  limitations under the License.
#include "address.hpp"
#include <assert.h>
#include <sstream>
namespace cass {
Address::Address() {
Address::Address(const std::string& ip, int port) {
  from_string(ip, port, this);
bool Address::from_string(const std::string& ip, int port, Address* output) {
  char buf[sizeof(struct in6_addr)];
#if UV_VERSION_MAJOR == 0
  if (uv_inet_pton(AF_INET, ip.c_str(), &buf).code == UV_OK) {
  if (uv_inet_pton(AF_INET, ip.c_str(), &buf) == 0) {
    if (output != NULL) {
      struct sockaddr_in addr;
#if UV_VERSION_MAJOR == 0
      addr = uv_ip4_addr(ip.c_str(), port);
      uv_ip4_addr(ip.c_str(), port, &addr);
      output->init(copy_cast<struct sockaddr_in*, struct sockaddr*>(&addr));
    return true;
#if UV_VERSION_MAJOR == 0
  } else if (uv_inet_pton(AF_INET6, ip.c_str(), &buf).code == UV_OK) {
  } else if (uv_inet_pton(AF_INET6, ip.c_str(), &buf) == 0) {
    if (output != NULL) {
      struct sockaddr_in6 addr;
#if UV_VERSION_MAJOR == 0
      addr = uv_ip6_addr(ip.c_str(), port);
      uv_ip6_addr(ip.c_str(), port, &addr);
      output->init(copy_cast<struct sockaddr_in6*, struct sockaddr*>(&addr));
    return true;
    return false;
void Address::from_inet(const char* data, size_t size, int port, Address* output) {
  assert(size == 4 || size == 16);
  if (size == 4) {
    char buf[INET_ADDRSTRLEN];
    uv_inet_ntop(AF_INET, data, buf, sizeof(buf));
    if (output != NULL) {
      struct sockaddr_in addr;
#if UV_VERSION_MAJOR == 0
      addr = uv_ip4_addr(buf, port);
      uv_ip4_addr(buf, port, &addr);
      output->init(copy_cast<struct sockaddr_in*, struct sockaddr*>(&addr));
    char buf[INET6_ADDRSTRLEN];
    uv_inet_ntop(AF_INET6, data, buf, sizeof(buf));
    if (output != NULL) {
      struct sockaddr_in6 addr;
#if UV_VERSION_MAJOR == 0
      addr = uv_ip6_addr(buf, port);
      uv_ip6_addr(buf, port, &addr);
      output->init(copy_cast<struct sockaddr_in6*, struct sockaddr*>(&addr));
bool Address::init(const sockaddr* addr) {
  if (addr->sa_family == AF_INET) {
    memcpy(&addr_, addr, sizeof(struct sockaddr_in));
    return true;
  } else if (addr->sa_family == AF_INET6) {
    memcpy(&addr_, addr, sizeof(struct sockaddr_in6));
    return true;
  return false;
int Address::port() const {
  if (family() == AF_INET) {
    return htons(addr_in()->sin_port);
  } else if (family() == AF_INET6) {
    return htons(addr_in6()->sin6_port);
    assert(false);
    return -1;
std::string Address::to_string(bool with_port) const {
  std::stringstream ss;
  char host[INET6_ADDRSTRLEN + 1] = {'\0'};
  if (family() == AF_INET) {
    uv_ip4_name(const_cast<struct sockaddr_in*>(addr_in()), host,
                INET_ADDRSTRLEN);
    ss << host;
    if (with_port) ss << ":" << port();
  } else if (family() == AF_INET6) {
    uv_ip6_name(const_cast<struct sockaddr_in6*>(addr_in6()), host,
                INET6_ADDRSTRLEN);
    if (with_port) ss << "[";
    ss << host;
    if (with_port) ss << "]:" << port();
    assert(false);
  return ss.str();
uint8_t Address::to_inet(uint8_t* data) const {
  if (family() == AF_INET) {
    memcpy(data, &addr_in()->sin_addr, 4);
    return 4;
    memcpy(data, &addr_in6()->sin6_addr, 16);
    return 16;
int Address::compare(const Address& a) const {
  if (family() != a.family()) {
    return family() < a.family() ? -1 : 1;
  if (family() == AF_INET) {
    if (addr_in()->sin_addr.s_addr != a.addr_in()->sin_addr.s_addr) {
      return addr_in()->sin_addr.s_addr < a.addr_in()->sin_addr.s_addr ? -1 : 1;
  } else if (family() == AF_INET6) {
    return memcmp(&(addr_in6()->sin6_addr), &(a.addr_in6()->sin6_addr),
                  sizeof(addr_in6()->sin6_addr));
    assert(false);
    return -1;
  return 0;
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