text: /*
   * ngtcp2
   *
   * Copyright (c) 2017 ngtcp2 contributors
   * Copyright (c) 2016 nghttp2 contributors
   *
   * Permission is hereby granted, free of charge, to any person obtaining
   * a copy of this software and associated documentation files (the
   * "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish,
   * distribute, sublicense, and/or sell copies of the Software, and to
   * permit persons to whom the Software is furnished to do so, subject to
   * the following conditions:
   *
   * The above copyright notice and this permission notice shall be
   * included in all copies or substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
   * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
   * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
   * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
   * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
   * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
   * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   */
  #ifndef NETWORK_H
  #define NETWORK_H
  
  #ifdef HAVE_CONFIG_H
  #  include <config.h>
  #endif // HAVE_CONFIG_H
  
  #include <sys/types.h>
  #ifdef HAVE_SYS_SOCKET_H
  #  include <sys/socket.h>
  #endif // HAVE_SYS_SOCKET_H
  #include <sys/un.h>
  #ifdef HAVE_NETINET_IN_H
  #  include <netinet/in.h>
  #endif // HAVE_NETINET_IN_H
  #ifdef HAVE_ARPA_INET_H
  #  include <arpa/inet.h>
  #endif // HAVE_ARPA_INET_H
  
  #include <array>
  
  namespace ngtcp2 {
  
  enum network_error {
    NETWORK_ERR_OK = 0,
    NETWORK_ERR_FATAL = -10,
    NETWORK_ERR_SEND_BLOCKED = -11,
    NETWORK_ERR_CLOSE_WAIT = -12,
  };
  
  union sockaddr_union {
    sockaddr_storage storage;
    sockaddr sa;
    sockaddr_in6 in6;
    sockaddr_in in;
  };
  
  struct Address {
    socklen_t len;
    union sockaddr_union su;
  };
  
  struct PathStorage {
    PathStorage() {
      path.local.addr = local_addrbuf.data();
      path.remote.addr = remote_addrbuf.data();
    }
  
    ngtcp2_path path;
    std::array<uint8_t, sizeof(sockaddr_storage)> local_addrbuf;
    std::array<uint8_t, sizeof(sockaddr_storage)> remote_addrbuf;
  };
  
  } // namespace ngtcp2
  
  #endif // NETWORK_H
  