/* <!-- copyright */
/*
 * aria2 - The high speed download utility
 *
 * Copyright (C) 2006 Tatsuhiro Tsujikawa
 *
 * This program is free software; you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; either version 2 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
 *
 * In addition, as a special exception, the copyright holders give
 * permission to link the code of portions of this program with the
 * OpenSSL library under certain conditions as described in each
 * individual source file, and distribute linked combinations
 * including the two.
 * You must obey the GNU General Public License in all respects
 * for all of the code used other than OpenSSL.  If you modify
 * file(s) with this exception, you may extend this exception to your
 * version of the file(s), but you are not obligated to do so.  If you
 * do not wish to do so, delete this exception statement from your
 * version.  If you delete this exception statement from all source
 * files in the program, then also delete it here.
 */
/* copyright --> */
#ifndef D_A2NETCOMPAT_H
#define D_A2NETCOMPAT_H

#include "a2io.h"

#ifdef __MINGW32__
#  ifdef HAVE_WS2TCPIP_H
#    include <ws2tcpip.h>
#  endif // HAVE_WS2TCPIP_H
#endif   // __MINGW32__

#ifdef __MINGW32__
#  define a2_sockopt_t char*
#  ifndef HAVE_GETADDRINFO
#    define HAVE_GETADDRINFO
#  endif // !HAVE_GETADDRINFO
#  undef HAVE_GAI_STRERROR
#  undef gai_strerror
#else
#  define a2_sockopt_t void*
#endif // __MINGW32__

#ifdef HAVE_NETDB_H
#  include <netdb.h>
#endif // HAVE_NETDB_H

#ifdef HAVE_SYS_SOCKET_H
#  include <sys/socket.h>
#endif // HAVE_SYS_SOCKET_H

#ifdef HAVE_NETINET_IN_H
#  include <netinet/in.h>
#endif // HAVE_NETINET_IN_H

#ifdef HAVE_NETINET_TCP_H
#  include <netinet/tcp.h>
#endif // HAVE_NETINET_TCP_H

#ifdef HAVE_ARPA_INET_H
#  include <arpa/inet.h>
#endif // HAVE_ARPA_INET_H

#ifdef HAVE_NETINET_IN_H
#  include <netinet/in.h>
#endif // HAVE_NETINET_IN_H

#ifdef HAVE_SYS_UIO_H
#  include <sys/uio.h>
#endif // HAVE_SYS_UIO_H

#ifndef HAVE_GETADDRINFO
#  include "getaddrinfo.h"
#  define HAVE_GAI_STRERROR
#endif // HAVE_GETADDRINFO

#ifndef HAVE_GAI_STRERROR
#  include "gai_strerror.h"
#endif // HAVE_GAI_STRERROR

#include <string>

#ifdef HAVE_WINSOCK2_H
#  define sock_t SOCKET
#else
#  define sock_t int
#endif

#ifndef AI_ADDRCONFIG
#  define AI_ADDRCONFIG 0
#endif // !AI_ADDRCONFIG

#define DEFAULT_AI_FLAGS AI_ADDRCONFIG

#ifdef __MINGW32__
#  ifndef SHUT_WR
#    define SHUT_WR SD_SEND
#  endif // !SHUT_WR
#endif   // __MINGW32__

union sockaddr_union {
  sockaddr sa;
  sockaddr_storage storage;
  sockaddr_in6 in6;
  sockaddr_in in;
};

struct SockAddr {
  sockaddr_union su;
  socklen_t suLength;
};

// Human readable address, family and port.  In other words, addr is
// text name, usually obtained from getnameinfo(3).  The family field
// is the protocol family if it is known when generating this object.
// If it is unknown, this is AF_UNSPEC.
struct Endpoint {
  std::string addr;
  int family;
  uint16_t port;
};

#define A2_DEFAULT_IOV_MAX 128

#if defined(IOV_MAX) && IOV_MAX < A2_DEFAULT_IOV_MAX
#  define A2_IOV_MAX IOV_MAX
#else
#  define A2_IOV_MAX A2_DEFAULT_IOV_MAX
#endif

#ifdef __MINGW32__
typedef WSABUF a2iovec;
#  define A2IOVEC_BASE buf
#  define A2IOVEC_LEN len
#else // !__MINGW32__
typedef struct iovec a2iovec;
#  define A2IOVEC_BASE iov_base
#  define A2IOVEC_LEN iov_len
#endif // !__MINGW32__

#endif // D_A2NETCOMPAT_H