/**
 * This file has no copyright assigned and is placed in the Public Domain.
 * This file is part of the w64 mingw-runtime package.
 * No warranty is given; refer to the file DISCLAIMER.PD within this package.
 */
#ifndef _WS2TCPIP_H_
#define _WS2TCPIP_H_

#include <_mingw_unicode.h>

#if __GNUC__ >=3
#pragma GCC system_header
#endif

#include <winsock2.h>
#include <mingw_inc/_ip_mreq1.h>

struct ip_mreq_source {
  struct in_addr imr_multiaddr;
  struct in_addr imr_sourceaddr;
  struct in_addr imr_interface;
};

struct ip_msfilter {
  struct in_addr imsf_multiaddr;
  struct in_addr imsf_interface;
  u_long imsf_fmode;
  u_long imsf_numsrc;
  struct in_addr imsf_slist[1];
};

#define IP_MSFILTER_SIZE(numsrc) (sizeof(struct ip_msfilter)-sizeof(struct in_addr) + (numsrc)*sizeof(struct in_addr))

#define MCAST_INCLUDE 0
#define MCAST_EXCLUDE 1

#define SIO_GET_INTERFACE_LIST _IOR('t',127,u_long)

#define SIO_GET_INTERFACE_LIST_EX _IOR('t',126,u_long)
#define SIO_SET_MULTICAST_FILTER _IOW('t',125,u_long)
#define SIO_GET_MULTICAST_FILTER _IOW('t',124 | IOC_IN,u_long)

#define IP_OPTIONS 1
#define IP_HDRINCL 2
#define IP_TOS 3
#define IP_TTL 4
#define IP_MULTICAST_IF 9
#define IP_MULTICAST_TTL 10
#define IP_MULTICAST_LOOP 11
#define IP_ADD_MEMBERSHIP 12
#define IP_DROP_MEMBERSHIP 13
#define IP_DONTFRAGMENT 14
#define IP_ADD_SOURCE_MEMBERSHIP 15
#define IP_DROP_SOURCE_MEMBERSHIP 16
#define IP_BLOCK_SOURCE 17
#define IP_UNBLOCK_SOURCE 18
#define IP_PKTINFO 19
#define IP_RECEIVE_BROADCAST 22

#define IPV6_HDRINCL 2
#define IPV6_UNICAST_HOPS 4
#define IPV6_MULTICAST_IF 9
#define IPV6_MULTICAST_HOPS 10
#define IPV6_MULTICAST_LOOP 11
#define IPV6_ADD_MEMBERSHIP 12
#define IPV6_DROP_MEMBERSHIP 13
#define IPV6_JOIN_GROUP IPV6_ADD_MEMBERSHIP
#define IPV6_LEAVE_GROUP IPV6_DROP_MEMBERSHIP
#define IPV6_PKTINFO 19
#define IPV6_HOPLIMIT 21
#define IPV6_PROTECTION_LEVEL 23

#define PROTECTION_LEVEL_UNRESTRICTED 10
#define PROTECTION_LEVEL_DEFAULT 20
#define PROTECTION_LEVEL_RESTRICTED 30

#define UDP_NOCHECKSUM 1
#define UDP_CHECKSUM_COVERAGE 20

#define TCP_EXPEDITED_1122 0x0002

#include <in6addr.h>

typedef struct ipv6_mreq {
  struct in6_addr ipv6mr_multiaddr;
  unsigned int ipv6mr_interface;
} IPV6_MREQ;

struct sockaddr_in6_old {
  short sin6_family;
  u_short sin6_port;
  u_long sin6_flowinfo;
  struct in6_addr sin6_addr;
};

struct sockaddr_in6 {
  short sin6_family;
  u_short sin6_port;
  u_long sin6_flowinfo;
  struct in6_addr sin6_addr;
  u_long sin6_scope_id;
};

typedef struct sockaddr_in6 SOCKADDR_IN6;
typedef struct sockaddr_in6 *PSOCKADDR_IN6;
typedef struct sockaddr_in6 *LPSOCKADDR_IN6;

#define SS_PORT(ssp) (((struct sockaddr_in*)(ssp))->sin_port)

#define IN6ADDR_ANY_INIT { 0 }
#define IN6ADDR_LOOPBACK_INIT { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1 }

#ifdef __cplusplus
extern "C" {
#endif

  extern const struct in6_addr in6addr_any;
  extern const struct in6_addr in6addr_loopback;

#ifdef __cplusplus
}
#endif

#define WS2TCPIP_INLINE __CRT_INLINE

int IN6_ADDR_EQUAL(const struct in6_addr *,const struct in6_addr *);
int IN6_IS_ADDR_UNSPECIFIED(const struct in6_addr *);
int IN6_IS_ADDR_LOOPBACK(const struct in6_addr *);
int IN6_IS_ADDR_MULTICAST(const struct in6_addr *);
int IN6_IS_ADDR_LINKLOCAL(const struct in6_addr *);
int IN6_IS_ADDR_SITELOCAL(const struct in6_addr *);
int IN6_IS_ADDR_V4MAPPED(const struct in6_addr *);
int IN6_IS_ADDR_V4COMPAT(const struct in6_addr *);
int IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *);
int IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *);
int IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *);
int IN6_IS_ADDR_MC_ORGLOCAL(const struct in6_addr *);
int IN6_IS_ADDR_MC_GLOBAL(const struct in6_addr *);
int IN6ADDR_ISANY(const struct sockaddr_in6 *);
int IN6ADDR_ISLOOPBACK(const struct sockaddr_in6 *);
void IN6_SET_ADDR_UNSPECIFIED(struct in6_addr *);
void IN6_SET_ADDR_LOOPBACK(struct in6_addr *);
void IN6ADDR_SETANY(struct sockaddr_in6 *);
void IN6ADDR_SETLOOPBACK(struct sockaddr_in6 *);

#ifndef __CRT__NO_INLINE
WS2TCPIP_INLINE int IN6_ADDR_EQUAL(const struct in6_addr *a,const struct in6_addr *b) { return (memcmp(a,b,sizeof(struct in6_addr))==0); }
WS2TCPIP_INLINE int IN6_IS_ADDR_UNSPECIFIED(const struct in6_addr *a) { return ((a->s6_words[0]==0) && (a->s6_words[1]==0) && (a->s6_words[2]==0) && (a->s6_words[3]==0) && (a->s6_words[4]==0) && (a->s6_words[5]==0) && (a->s6_words[6]==0) && (a->s6_words[7]==0)); }
WS2TCPIP_INLINE int IN6_IS_ADDR_LOOPBACK(const struct in6_addr *a) { return ((a->s6_words[0]==0) && (a->s6_words[1]==0) && (a->s6_words[2]==0) && (a->s6_words[3]==0) && (a->s6_words[4]==0) && (a->s6_words[5]==0) && (a->s6_words[6]==0) && (a->s6_words[7]==0x0100)); }
WS2TCPIP_INLINE int IN6_IS_ADDR_MULTICAST(const struct in6_addr *a) { return (a->s6_bytes[0]==0xff); }
WS2TCPIP_INLINE int IN6_IS_ADDR_LINKLOCAL(const struct in6_addr *a) { return ((a->s6_bytes[0]==0xfe) && ((a->s6_bytes[1] & 0xc0)==0x80)); }
WS2TCPIP_INLINE int IN6_IS_ADDR_SITELOCAL(const struct in6_addr *a) { return ((a->s6_bytes[0]==0xfe) && ((a->s6_bytes[1] & 0xc0)==0xc0)); }
WS2TCPIP_INLINE int IN6_IS_ADDR_V4MAPPED(const struct in6_addr *a) { return ((a->s6_words[0]==0) && (a->s6_words[1]==0) && (a->s6_words[2]==0) && (a->s6_words[3]==0) && (a->s6_words[4]==0) && (a->s6_words[5]==0xffff)); }
WS2TCPIP_INLINE int IN6_IS_ADDR_V4COMPAT(const struct in6_addr *a) { return ((a->s6_words[0]==0) && (a->s6_words[1]==0) && (a->s6_words[2]==0) && (a->s6_words[3]==0) && (a->s6_words[4]==0) && (a->s6_words[5]==0) && !((a->s6_words[6]==0) && (a->s6_addr[14]==0) && ((a->s6_addr[15]==0) || (a->s6_addr[15]==1)))); }
WS2TCPIP_INLINE int IN6_IS_ADDR_MC_NODELOCAL(const struct in6_addr *a) { return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_bytes[1] & 0xf)==1); }
WS2TCPIP_INLINE int IN6_IS_ADDR_MC_LINKLOCAL(const struct in6_addr *a) { return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_bytes[1] & 0xf)==2); }
WS2TCPIP_INLINE int IN6_IS_ADDR_MC_SITELOCAL(const struct in6_addr *a) { return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_bytes[1] & 0xf)==5); }
WS2TCPIP_INLINE int IN6_IS_ADDR_MC_ORGLOCAL(const struct in6_addr *a) { return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_bytes[1] & 0xf)==8); }
WS2TCPIP_INLINE int IN6_IS_ADDR_MC_GLOBAL(const struct in6_addr *a) { return IN6_IS_ADDR_MULTICAST(a) && ((a->s6_bytes[1] & 0xf)==0xe); }
WS2TCPIP_INLINE int IN6ADDR_ISANY(const struct sockaddr_in6 *a) { return ((a->sin6_family==AF_INET6) && IN6_IS_ADDR_UNSPECIFIED(&a->sin6_addr)); }
WS2TCPIP_INLINE int IN6ADDR_ISLOOPBACK(const struct sockaddr_in6 *a) { return ((a->sin6_family==AF_INET6) && IN6_IS_ADDR_LOOPBACK(&a->sin6_addr)); }
WS2TCPIP_INLINE void IN6_SET_ADDR_UNSPECIFIED(struct in6_addr *a) { memset(a->s6_bytes,0,sizeof(struct in6_addr)); }
WS2TCPIP_INLINE void IN6_SET_ADDR_LOOPBACK(struct in6_addr *a) {
  memset(a->s6_bytes,0,sizeof(struct in6_addr));
  a->s6_bytes[15] = 1;
}
WS2TCPIP_INLINE void IN6ADDR_SETANY(struct sockaddr_in6 *a) {
  a->sin6_family = AF_INET6;
  a->sin6_port = 0;
  a->sin6_flowinfo = 0;
  IN6_SET_ADDR_UNSPECIFIED(&a->sin6_addr);
  a->sin6_scope_id = 0;
}
WS2TCPIP_INLINE void IN6ADDR_SETLOOPBACK(struct sockaddr_in6 *a) {
  a->sin6_family = AF_INET6;
  a->sin6_port = 0;
  a->sin6_flowinfo = 0;
  IN6_SET_ADDR_LOOPBACK(&a->sin6_addr);
  a->sin6_scope_id = 0;
}
#endif /* !__CRT__NO_INLINE */

typedef union sockaddr_gen {
  struct sockaddr Address;
  struct sockaddr_in AddressIn;
  struct sockaddr_in6_old AddressIn6;
} sockaddr_gen;

typedef struct _INTERFACE_INFO {
  u_long iiFlags;
  sockaddr_gen iiAddress;
  sockaddr_gen iiBroadcastAddress;
  sockaddr_gen iiNetmask;
} INTERFACE_INFO,*LPINTERFACE_INFO;

typedef struct _INTERFACE_INFO_EX {
  u_long iiFlags;
  SOCKET_ADDRESS iiAddress;
  SOCKET_ADDRESS iiBroadcastAddress;
  SOCKET_ADDRESS iiNetmask;
} INTERFACE_INFO_EX,*LPINTERFACE_INFO_EX;

#define IFF_UP 0x00000001
#define IFF_BROADCAST 0x00000002
#define IFF_LOOPBACK 0x00000004
#define IFF_POINTTOPOINT 0x00000008
#define IFF_MULTICAST 0x00000010

typedef struct in_pktinfo {
  IN_ADDR ipi_addr;
  UINT ipi_ifindex;
} IN_PKTINFO;

C_ASSERT(sizeof(IN_PKTINFO)==8);

typedef struct in6_pktinfo {
  IN6_ADDR ipi6_addr;
  UINT ipi6_ifindex;
} IN6_PKTINFO;

C_ASSERT(sizeof(IN6_PKTINFO)==20);

#define EAI_AGAIN WSATRY_AGAIN
#define EAI_BADFLAGS WSAEINVAL
#define EAI_FAIL WSANO_RECOVERY
#define EAI_FAMILY WSAEAFNOSUPPORT
#define EAI_MEMORY WSA_NOT_ENOUGH_MEMORY

#define EAI_NONAME WSAHOST_NOT_FOUND
#define EAI_SERVICE WSATYPE_NOT_FOUND
#define EAI_SOCKTYPE WSAESOCKTNOSUPPORT

#define EAI_NODATA EAI_NONAME

typedef struct addrinfo {
  int ai_flags;
  int ai_family;
  int ai_socktype;
  int ai_protocol;
  size_t ai_addrlen;
  char *ai_canonname;
  struct sockaddr *ai_addr;
  struct addrinfo *ai_next;
} ADDRINFOA,*PADDRINFOA;

typedef struct addrinfoW {
  int ai_flags;
  int ai_family;
  int ai_socktype;
  int ai_protocol;
  size_t ai_addrlen;
  PWSTR ai_canonname;
  struct sockaddr *ai_addr;
  struct addrinfoW *ai_next;
} ADDRINFOW,*PADDRINFOW;

typedef __MINGW_NAME_AW(ADDRINFO) ADDRINFOT,*PADDRINFOT;

typedef ADDRINFOA ADDRINFO,*LPADDRINFO;

#define AI_PASSIVE 0x1
#define AI_CANONNAME 0x2
#define AI_NUMERICHOST 0x4
#if (_WIN32_WINNT >= 0x0600)
#define AI_ADDRCONFIG             0x0400
#define AI_NON_AUTHORITATIVE      0x04000
#define AI_SECURE                 0x08000
#define AI_RETURN_PREFERRED_NAMES 0x010000
#endif

#ifdef __cplusplus
extern "C" {
#endif

#define GetAddrInfo __MINGW_NAME_AW(GetAddrInfo)

  WINSOCK_API_LINKAGE int WSAAPI getaddrinfo(const char *nodename,const char *servname,const struct addrinfo *hints,struct addrinfo **res);
  WINSOCK_API_LINKAGE int WSAAPI GetAddrInfoW(PCWSTR pNodeName,PCWSTR pServiceName,const ADDRINFOW *pHints,PADDRINFOW *ppResult);

#define GetAddrInfoA getaddrinfo

#if INCL_WINSOCK_API_TYPEDEFS
  typedef int (WSAAPI *LPFN_GETADDRINFO)(const char *nodename,const char *servname,const struct addrinfo *hints,struct addrinfo **res);
  typedef int (WSAAPI *LPFN_GETADDRINFOW)(PCWSTR pNodeName,PCWSTR pServiceName,const ADDRINFOW *pHints,PADDRINFOW *ppResult);

#define LPFN_GETADDRINFOA LPFN_GETADDRINFO

#define LPFN_GETADDRINFOT __MINGW_NAME_AW(LPFN_GETADDRINFO)
#endif

#define FreeAddrInfo __MINGW_NAME_AW(FreeAddrInfo)

  WINSOCK_API_LINKAGE void WSAAPI freeaddrinfo(LPADDRINFO pAddrInfo);
  WINSOCK_API_LINKAGE void WSAAPI FreeAddrInfoW(PADDRINFOW pAddrInfo);

#define FreeAddrInfoA freeaddrinfo

#if INCL_WINSOCK_API_TYPEDEFS
  typedef void (WSAAPI *LPFN_FREEADDRINFO)(struct addrinfo *ai);
  typedef void (WSAAPI *LPFN_FREEADDRINFOW)(PADDRINFOW pAddrInfo);

#define LPFN_FREEADDRINFOA LPFN_FREEADDRINFO

#define LPFN_FREEADDRINFOT __MINGW_NAME_AW(LPFN_FREEADDRINFO)
#endif

  typedef int socklen_t;

#define GetNameInfo __MINGW_NAME_AW(GetNameInfo)

  WINSOCK_API_LINKAGE int WSAAPI getnameinfo(const struct sockaddr *sa,socklen_t salen,char *host,DWORD hostlen,char *serv,DWORD servlen,int flags);
  WINSOCK_API_LINKAGE INT WSAAPI GetNameInfoW(const SOCKADDR *pSockaddr,socklen_t SockaddrLength,PWCHAR pNodeBuffer,DWORD NodeBufferSize,PWCHAR pServiceBuffer,DWORD ServiceBufferSize,INT Flags);

#define GetNameInfoA getnameinfo

#if INCL_WINSOCK_API_TYPEDEFS
  typedef int (WSAAPI *LPFN_GETNAMEINFO)(const struct sockaddr *sa,socklen_t salen,char *host,DWORD hostlen,char *serv,DWORD servlen,int flags);
  typedef INT (WSAAPI *LPFN_GETNAMEINFOW)(const SOCKADDR *pSockaddr,socklen_t SockaddrLength,PWCHAR pNodeBuffer,DWORD NodeBufferSize,PWCHAR pServiceBuffer,DWORD ServiceBufferSize,INT Flags);

#define LPFN_GETNAMEINFOA LPFN_GETNAMEINFO

#define LPFN_GETNAMEINFOT __MINGW_NAME_AW(LPFN_GETNAMEINFO)
#endif

#define gai_strerror __MINGW_NAME_AW(gai_strerror)

#define GAI_STRERROR_BUFFER_SIZE 1024

char *gai_strerrorA (int);
WCHAR *gai_strerrorW(int);

#define NI_MAXHOST 1025
#define NI_MAXSERV 32

#define INET_ADDRSTRLEN 22
#define INET6_ADDRSTRLEN 65

#define NI_NOFQDN 0x01
#define NI_NUMERICHOST 0x02
#define NI_NAMEREQD 0x04
#define NI_NUMERICSERV 0x08
#define NI_DGRAM 0x10

#if (_WIN32_WINNT >= 0x0600)
#define addrinfoEx __MINGW_NAME_AW(addrinfoEx)
#define PADDRINFOEX __MINGW_NAME_AW(PADDRINFOEX)
#define GetAddrInfoEx __MINGW_NAME_AW(GetAddrInfoEx)
#define FreeAddrInfoEx __MINGW_NAME_AW(FreeAddrInfoEx)

  typedef struct addrinfoExA {
    int                ai_flags;
    int                ai_family;
    int                ai_socktype;
    int                ai_protocol;
    size_t             ai_addrlen;
    LPCSTR             ai_canonname;
    struct sockaddr    *ai_addr;
    void               *ai_blob;
    size_t             ai_bloblen;
    LPGUID             ai_provider;
    struct addrinfoexA *ai_next;
  } ADDRINFOEXA, *PADDRINFOEXA;

  typedef struct addrinfoExW {
    int                ai_flags;
    int                ai_family;
    int                ai_socktype;
    int                ai_protocol;
    size_t             ai_addrlen;
    LPCWSTR            ai_canonname;
    struct sockaddr    *ai_addr;
    void               *ai_blob;
    size_t             ai_bloblen;
    LPGUID             ai_provider;
    struct addrinfoexW *ai_next;
  } ADDRINFOEXW, *PADDRINFOEXW;

typedef PVOID LOOKUPSERVICE_COMPLETION_ROUTINE; /*reserved*/
typedef LOOKUPSERVICE_COMPLETION_ROUTINE *LPLOOKUPSERVICE_COMPLETION_ROUTINE;

int WSAAPI GetAddrInfoExA(LPCSTR pName,LPCSTR pServiceName,DWORD dwNameSpace,LPGUID lpNspId,const ADDRINFOEXA *pHints,PADDRINFOEXA *ppResult,struct timeval *timeout,LPOVERLAPPED lpOverlapped,LPLOOKUPSERVICE_COMPLETION_ROUTINE lpCompletionRoutine,LPHANDLE lpNameHandle);
int WSAAPI GetAddrInfoExW(LPCWSTR pName,LPCWSTR pServiceName,DWORD dwNameSpace,LPGUID lpNspId,const ADDRINFOEXW *pHints,PADDRINFOEXW *ppResult,struct timeval *timeout,LPOVERLAPPED lpOverlapped,LPLOOKUPSERVICE_COMPLETION_ROUTINE lpCompletionRoutine,LPHANDLE lpNameHandle);
void WSAAPI FreeAddrInfoExA(PADDRINFOEXA pAddrInfo);
void WSAAPI FreeAddrInfoExW(PADDRINFOEXW pAddrInfo);

#endif /*(_WIN32_WINNT >= 0x0600)*/

#ifdef __cplusplus
}
#endif

#endif /* _WS2TCPIP_H_ */