/* Copyright Joyent, Inc. and other Node contributors. All rights reserved.
 *
 * 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 UV_WIN_WINSOCK_H_
#define UV_WIN_WINSOCK_H_

#include <winsock2.h>
#include <mswsock.h>
#include <ws2tcpip.h>
#include <windows.h>


/*
 * Guids and typedefs for winsock extension functions
 * Mingw32 doesn't have these :-(
 */
#ifndef WSAID_ACCEPTEX
# define WSAID_ACCEPTEX                                        \
         {0xb5367df1, 0xcbac, 0x11cf,                          \
         {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}

# define WSAID_CONNECTEX                                       \
         {0x25a207b9, 0xddf3, 0x4660,                          \
         {0x8e, 0xe9, 0x76, 0xe5, 0x8c, 0x74, 0x06, 0x3e}}

# define WSAID_GETACCEPTEXSOCKADDRS                            \
         {0xb5367df2, 0xcbac, 0x11cf,                          \
         {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}

# define WSAID_DISCONNECTEX                                    \
         {0x7fda2e11, 0x8630, 0x436f,                          \
         {0xa0, 0x31, 0xf5, 0x36, 0xa6, 0xee, 0xc1, 0x57}}

# define WSAID_TRANSMITFILE                                    \
         {0xb5367df0, 0xcbac, 0x11cf,                          \
         {0x95, 0xca, 0x00, 0x80, 0x5f, 0x48, 0xa1, 0x92}}

  typedef BOOL PASCAL (*LPFN_ACCEPTEX)
                      (SOCKET sListenSocket,
                       SOCKET sAcceptSocket,
                       PVOID lpOutputBuffer,
                       DWORD dwReceiveDataLength,
                       DWORD dwLocalAddressLength,
                       DWORD dwRemoteAddressLength,
                       LPDWORD lpdwBytesReceived,
                       LPOVERLAPPED lpOverlapped);

  typedef BOOL PASCAL (*LPFN_CONNECTEX)
                      (SOCKET s,
                       const struct sockaddr* name,
                       int namelen,
                       PVOID lpSendBuffer,
                       DWORD dwSendDataLength,
                       LPDWORD lpdwBytesSent,
                       LPOVERLAPPED lpOverlapped);

  typedef void PASCAL (*LPFN_GETACCEPTEXSOCKADDRS)
                      (PVOID lpOutputBuffer,
                       DWORD dwReceiveDataLength,
                       DWORD dwLocalAddressLength,
                       DWORD dwRemoteAddressLength,
                       LPSOCKADDR* LocalSockaddr,
                       LPINT LocalSockaddrLength,
                       LPSOCKADDR* RemoteSockaddr,
                       LPINT RemoteSockaddrLength);

  typedef BOOL PASCAL (*LPFN_DISCONNECTEX)
                      (SOCKET hSocket,
                       LPOVERLAPPED lpOverlapped,
                       DWORD dwFlags,
                       DWORD reserved);

  typedef BOOL PASCAL (*LPFN_TRANSMITFILE)
                      (SOCKET hSocket,
                       HANDLE hFile,
                       DWORD nNumberOfBytesToWrite,
                       DWORD nNumberOfBytesPerSend,
                       LPOVERLAPPED lpOverlapped,
                       LPTRANSMIT_FILE_BUFFERS lpTransmitBuffers,
                       DWORD dwFlags);
#endif

/*
 * MinGW is missing these too
 */
#ifndef SO_UPDATE_CONNECT_CONTEXT
# define SO_UPDATE_CONNECT_CONTEXT 0x7010
#endif

#ifndef IPV6_V6ONLY
  #define IPV6_V6ONLY 27
#endif


/* Winsock extension functions (ipv4) */
extern LPFN_CONNECTEX pConnectEx;
extern LPFN_ACCEPTEX pAcceptEx;
extern LPFN_GETACCEPTEXSOCKADDRS pGetAcceptExSockAddrs;
extern LPFN_DISCONNECTEX pDisconnectEx;
extern LPFN_TRANSMITFILE pTransmitFile;

/* Winsock extension functions (ipv6) */
extern LPFN_CONNECTEX pConnectEx6;
extern LPFN_ACCEPTEX pAcceptEx6;
extern LPFN_GETACCEPTEXSOCKADDRS pGetAcceptExSockAddrs6;
extern LPFN_DISCONNECTEX pDisconnectEx6;
extern LPFN_TRANSMITFILE  pTransmitFile6;

/* Whether ipv6 is supported */
extern int uv_allow_ipv6;

/* Ip address used to bind to any port at any interface */
extern struct sockaddr_in uv_addr_ip4_any_;
extern struct sockaddr_in6 uv_addr_ip6_any_;

#endif /* UV_WIN_WINSOCK_H_ */