JwaWS2tcpip.pas
资源名称:win32api.zip [点击查看]
上传用户:davidchvip
上传日期:2009-07-28
资源大小:1749k
文件大小:25k
源码类别:
Windows编程
开发平台:
Delphi
- {******************************************************************************}
- { }
- { Winsock2 TCP/IP Extensions API interface Unit for Object Pascal }
- { }
- { Portions created by Microsoft are Copyright (C) 1995-2001 Microsoft }
- { Corporation. All Rights Reserved. }
- { }
- { The original file is: ws2tcpip.h, released June 2000. The original Pascal }
- { code is: WS2tcpip.pas, released December 2000. The initial developer of the }
- { Pascal code is Marcel van Brakel (brakelm@chello.nl). }
- { }
- { Portions created by Marcel van Brakel are Copyright (C) 1999-2001 }
- { Marcel van Brakel. All Rights Reserved. }
- { }
- { Obtained through: Joint Endeavour of Delphi Innovators (Project JEDI) }
- { }
- { You may retrieve the latest version of this file at the Project JEDI home }
- { page, located at http://delphi-jedi.org or my personal homepage located at }
- { http://members.chello.nl/m.vanbrakel2 }
- { }
- { The contents of this file are used with permission, subject to the Mozilla }
- { Public License Version 1.1 (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.mozilla.org/MPL/MPL-1.1.html }
- { }
- { Software distributed under the License is distributed on an "AS IS" basis, }
- { WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License for }
- { the specific language governing rights and limitations under the License. }
- { }
- { Alternatively, the contents of this file may be used under the terms of the }
- { GNU Lesser General Public License (the "LGPL License"), in which case the }
- { provisions of the LGPL License are applicable instead of those above. }
- { If you wish to allow use of your version of this file only under the terms }
- { of the LGPL License and not to allow others to use your version of this file }
- { under the MPL, indicate your decision by deleting the provisions above and }
- { replace them with the notice and other provisions required by the LGPL }
- { License. If you do not delete the provisions above, a recipient may use }
- { your version of this file under either the MPL or the LGPL License. }
- { }
- { For more information about the LGPL: http://www.gnu.org/copyleft/lesser.html }
- { }
- {******************************************************************************}
- unit JwaWS2tcpip;
- {$WEAKPACKAGEUNIT}
- {$HPPEMIT ''}
- {$HPPEMIT '#include "ws2tcpip.h"'}
- {$HPPEMIT ''}
- {$I WINDEFINES.INC}
- interface
- uses
- JwaWinSock2, JwaWinType;
- //
- // WS2TCPIP.H - WinSock2 Extension for TCP/IP protocols
- //
- // This file contains TCP/IP specific information for use
- // by WinSock2 compatible applications.
- //
- // Copyright (c) 1995-1999 Microsoft Corporation
- //
- // To provide the backward compatibility, all the TCP/IP
- // specific definitions that were included in the WINSOCK.H
- // file are now included in WINSOCK2.H file. WS2TCPIP.H
- // file includes only the definitions introduced in the
- // "WinSock 2 Protocol-Specific Annex" document.
- //
- // Rev 0.3 Nov 13, 1995
- // Rev 0.4 Dec 15, 1996
- //
- // Argument structure for IP_ADD_MEMBERSHIP and IP_DROP_MEMBERSHIP
- type
- ip_mreq = record
- imr_multiaddr: in_addr; // IP multicast address of group
- imr_interface: in_addr; // local IP address of interface
- end;
- {$EXTERNALSYM ip_mreq}
- TIPMReq = ip_mreq;
- PIPMReq = ^ip_mreq;
- // Argument structure for IP_ADD_SOURCE_MEMBERSHIP, IP_DROP_SOURCE_MEMBERSHIP,
- // IP_BLOCK_SOURCE, and IP_UNBLOCK_SOURCE
- //
- ip_mreq_source = record
- imr_multiaddr: in_addr; // IP multicast address of group
- imr_sourceaddr: in_addr; // IP address of source
- imr_interface: in_addr; // local IP address of interface
- end;
- {$EXTERNALSYM ip_mreq_source}
- TIpMreqSource = ip_mreq_source;
- PIpMreqSource = ^ip_mreq_source;
- // Argument structure for SIO_{GET,SET}_MULTICAST_FILTER
- ip_msfilter = record
- imsf_multiaddr: in_addr; // IP multicast address of group
- imsf_interface: in_addr; // local IP address of interface
- imsf_fmode: u_long; // filter mode - INCLUDE or EXCLUDE
- imsf_numsrc: u_long; // number of sources in src_list
- imsf_slist: array [0..0] of in_addr;
- end;
- {$EXTERNALSYM ip_msfilter}
- TIpMsFilter = ip_msfilter;
- PIpMsFilter = ^ip_msfilter;
- function IP_MSFILTER_SIZE(numsrc: Integer): Integer;
- {$EXTERNALSYM IP_MSFILTER_SIZE(numsrc)}
- const
- MCAST_INCLUDE = 0;
- {$EXTERNALSYM MCAST_INCLUDE}
- MCAST_EXCLUDE = 1;
- {$EXTERNALSYM MCAST_EXCLUDE}
- // TCP/IP specific Ioctl codes
- const
- SIO_GET_INTERFACE_LIST = IOC_OUT or ((4 and IOCPARM_MASK) shl 16) or ((Ord('t')) shl 8) or (127);
- {$EXTERNALSYM SIO_GET_INTERFACE_LIST}
- // New IOCTL with address size independent address array
- SIO_GET_INTERFACE_LIST_EX = IOC_OUT or ((4 and IOCPARM_MASK) shl 16) or ((Ord('t')) shl 8) or (126);
- {$EXTERNALSYM SIO_GET_INTERFACE_LIST_EX}
- SIO_SET_MULTICAST_FILTER = DWORD(IOC_IN or ((SizeOf(u_long) and IOCPARM_MASK) shl 16) or (Ord('t') shl 8) or 125);
- {$EXTERNALSYM SIO_SET_MULTICAST_FILTER}
- SIO_GET_MULTICAST_FILTER = DWORD(IOC_IN or ((SizeOf(u_long) and IOCPARM_MASK) shl 16) or (Ord('t') shl 8) or 124 or IOC_IN);
- {$EXTERNALSYM SIO_GET_MULTICAST_FILTER}
- // Option to use with [gs]etsockopt at the IPPROTO_IP level
- const
- IP_OPTIONS = 1; // set/get IP options
- {$EXTERNALSYM IP_OPTIONS}
- IP_HDRINCL = 2; // header is included with data
- {$EXTERNALSYM IP_HDRINCL}
- IP_TOS = 3; // IP type of service and preced
- {$EXTERNALSYM IP_TOS}
- IP_TTL = 4; // IP time to live
- {$EXTERNALSYM IP_TTL}
- IP_MULTICAST_IF = 9; // set/get IP multicast i/f
- {$EXTERNALSYM IP_MULTICAST_IF}
- IP_MULTICAST_TTL = 10; // set/get IP multicast ttl
- {$EXTERNALSYM IP_MULTICAST_TTL}
- IP_MULTICAST_LOOP = 11; // set/get IP multicast loopback
- {$EXTERNALSYM IP_MULTICAST_LOOP}
- IP_ADD_MEMBERSHIP = 12; // add an IP group membership
- {$EXTERNALSYM IP_ADD_MEMBERSHIP}
- IP_DROP_MEMBERSHIP = 13; // drop an IP group membership
- {$EXTERNALSYM IP_DROP_MEMBERSHIP}
- IP_DONTFRAGMENT = 14; // don't fragment IP datagrams
- {$EXTERNALSYM IP_DONTFRAGMENT}
- IP_ADD_SOURCE_MEMBERSHIP = 15; // join IP group/source
- {$EXTERNALSYM IP_ADD_SOURCE_MEMBERSHIP}
- IP_DROP_SOURCE_MEMBERSHIP = 16; // leave IP group/source
- {$EXTERNALSYM IP_DROP_SOURCE_MEMBERSHIP}
- IP_BLOCK_SOURCE = 17; // block IP group/source
- {$EXTERNALSYM IP_BLOCK_SOURCE}
- IP_UNBLOCK_SOURCE = 18; // unblock IP group/source
- {$EXTERNALSYM IP_UNBLOCK_SOURCE}
- IP_PKTINFO = 19; // receive packet information for ipv4
- {$EXTERNALSYM IP_PKTINFO}
- // Option to use with [gs]etsockopt at the IPPROTO_IPV6 level
- IPV6_HDRINCL = 2; // Header is included with data
- {$EXTERNALSYM IPV6_HDRINCL}
- IPV6_UNICAST_HOPS = 4; // Set/get IP unicast hop limit
- {$EXTERNALSYM IPV6_UNICAST_HOPS}
- IPV6_MULTICAST_IF = 9; // Set/get IP multicast interface
- {$EXTERNALSYM IPV6_MULTICAST_IF}
- IPV6_MULTICAST_HOPS = 10; // Set/get IP multicast ttl
- {$EXTERNALSYM IPV6_MULTICAST_HOPS}
- IPV6_MULTICAST_LOOP = 11; // Set/get IP multicast loopback
- {$EXTERNALSYM IPV6_MULTICAST_LOOP}
- IPV6_ADD_MEMBERSHIP = 12; // Add an IP group membership
- {$EXTERNALSYM IPV6_ADD_MEMBERSHIP}
- IPV6_DROP_MEMBERSHIP = 13; // Drop an IP group membership
- {$EXTERNALSYM IPV6_DROP_MEMBERSHIP}
- IPV6_JOIN_GROUP = IPV6_ADD_MEMBERSHIP;
- {$EXTERNALSYM IPV6_JOIN_GROUP}
- IPV6_LEAVE_GROUP = IPV6_DROP_MEMBERSHIP;
- {$EXTERNALSYM IPV6_LEAVE_GROUP}
- IPV6_PKTINFO = 19; // Receive packet information for ipv6
- {$EXTERNALSYM IPV6_PKTINFO}
- // Option to use with [gs]etsockopt at the IPPROTO_UDP level
- UDP_NOCHECKSUM = 1;
- {$EXTERNALSYM UDP_NOCHECKSUM}
- UDP_CHECKSUM_COVERAGE = 20; // Set/get UDP-Lite checksum coverage
- {$EXTERNALSYM UDP_CHECKSUM_COVERAGE}
- // Option to use with [gs]etsockopt at the IPPROTO_TCP level
- TCP_EXPEDITED_1122 = $0002;
- {$EXTERNALSYM TCP_EXPEDITED_1122}
- // IPv6 definitions
- type
- in6_addr = record
- case Integer of
- 0: (Byte: array [0..15] of u_char);
- 1: (Word: array[0..7] of u_short);
- 2: (s6_bytes: array [0..15] of u_char);
- 3: (s6_addr: array [0..15] of u_char);
- 4: (s6_words: array[0..7] of u_short);
- end;
- {$EXTERNALSYM in6_addr}
- TIn6Addr = in6_addr;
- PIn6Addr = ^in6_addr;
- //
- // Defines to match RFC 2553.
- //
- //#define _S6_un u
- //#define _S6_u8 Byte
- // Argument structure for IPV6_JOIN_GROUP and IPV6_LEAVE_GROUP
- type
- ipv6_mreq = record
- ipv6mr_multiaddr: in6_addr; // IPv6 multicast address
- ipv6mr_interface: Cardinal; // Interface index
- end;
- {$EXTERNALSYM ipv6_mreq}
- TIpV6MReq = ipv6_mreq;
- PIpV6MReq = ^ipv6_mreq;
- type
- in_addr6 = record
- s6_addr: array [0..15] of u_char; // IPv6 address
- end;
- {$EXTERNALSYM in_addr6}
- TInAddr6 = in_addr6;
- PInAddr6 = ^in_addr6;
- // Old IPv6 socket address structure (retained for sockaddr_gen definition below)
- type
- sockaddr_in6_old = record
- sin6_family: short; // AF_INET6
- sin6_port: u_short; // Transport level port number
- sin6_flowinfo: u_long; // IPv6 flow information
- sin6_addr: in6_addr; // IPv6 address
- end;
- {$EXTERNALSYM sockaddr_in6_old}
- TSockAddrIn6Old = sockaddr_in6_old;
- PSockAddrIn6Old = ^sockaddr_in6_old;
- // IPv6 socket address structure, RFC 2553
- SOCKADDR_IN6 = record
- sin6_family: short; // AF_INET6
- sin6_port: u_short; // Transport level port number
- sin6_flowinfo: u_long; // IPv6 flow information
- sin6_addr: in6_addr; // IPv6 address
- sin6_scope_id: u_long; // set of interfaces for a scope
- end;
- {$EXTERNALSYM SOCKADDR_IN6}
- PSOCKADDR_IN6 = ^SOCKADDR_IN6;
- {$EXTERNALSYM PSOCKADDR_IN6}
- LPSOCKADDR_IN6 = ^SOCKADDR_IN6;
- {$EXTERNALSYM LPSOCKADDR_IN6}
- TSockAddrIn6 = SOCKADDR_IN6;
- PSockAddrIn6 = LPSOCKADDR_IN6;
- // Macro that works for both IPv4 and IPv6
- function SS_PORT(ssp: Pointer): u_short;
- {$EXTERNALSYM SS_PORT}
- const
- IN6ADDR_ANY_INIT: in6_addr = (Word: (0, 0, 0, 0, 0, 0, 0, 0));
- {$EXTERNALSYM IN6ADDR_ANY_INIT}
- IN6ADDR_LOOPBACK_INIT: in6_addr = (Byte: (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1));
- {$EXTERNALSYM IN6ADDR_LOOPBACK_INIT}
- in6addr_any: in6_addr = (Word: (0, 0, 0, 0, 0, 0, 0, 0));
- {$EXTERNALSYM in6addr_any}
- in6addr_loopback: in6_addr = (Byte: (0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,1));
- {$EXTERNALSYM in6addr_loopback}
- procedure IN6ADDR_SETANY(var x: TSockAddrIn6);
- {$EXTERNALSYM IN6ADDR_SETANY}
- procedure IN6ADDR_SETLOOPBACK(var x: TSockAddrIn6);
- {$EXTERNALSYM IN6ADDR_SETLOOPBACK}
- function IN6ADDR_ISANY(const x: TSockAddrIn6): Boolean;
- {$EXTERNALSYM IN6ADDR_ISANY}
- function IN6ADDR_ISLOOPBACK(const x: TSockAddrIn6): Boolean;
- {$EXTERNALSYM IN6ADDR_ISLOOPBACK}
- function IN6_ADDR_EQUAL(const a, b: in6_addr): Boolean;
- {$EXTERNALSYM IN6_ADDR_EQUAL}
- function IN6_IS_ADDR_UNSPECIFIED(const a: in6_addr): boolean;
- {$EXTERNALSYM IN6_IS_ADDR_UNSPECIFIED}
- function IN6_IS_ADDR_LOOPBACK(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_LOOPBACK}
- function IN6_IS_ADDR_MULTICAST(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_MULTICAST}
- function IN6_IS_ADDR_LINKLOCAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_LINKLOCAL}
- function IN6_IS_ADDR_SITELOCAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_SITELOCAL}
- function IN6_IS_ADDR_V4MAPPED(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_V4MAPPED}
- function IN6_IS_ADDR_V4COMPAT(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_V4COMPAT}
- function IN6_IS_ADDR_MC_NODELOCAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_MC_NODELOCAL}
- function IN6_IS_ADDR_MC_LINKLOCAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_MC_LINKLOCAL}
- function IN6_IS_ADDR_MC_SITELOCAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_MC_SITELOCAL}
- function IN6_IS_ADDR_MC_ORGLOCAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_MC_ORGLOCAL}
- function IN6_IS_ADDR_MC_GLOBAL(const a: in6_addr): Boolean;
- {$EXTERNALSYM IN6_IS_ADDR_MC_GLOBAL}
- type
- sockaddr_gen = record
- case Integer of
- 0: (Address: sockaddr);
- 1: (AddressIn: sockaddr_in);
- 2: (AddressIn6: sockaddr_in6_old);
- end;
- {$EXTERNALSYM sockaddr_gen}
- TSockAddrGen = sockaddr_gen;
- PSockAddrGen = ^sockaddr_gen;
- // Structure to keep interface specific information
- _INTERFACE_INFO = record
- iiFlags: u_long; // Interface flags
- iiAddress: sockaddr_gen; // Interface address
- iiBroadcastAddress: sockaddr_gen; // Broadcast address
- iiNetmask: sockaddr_gen; // Network mask
- end;
- {$EXTERNALSYM _INTERFACE_INFO}
- INTERFACE_INFO = _INTERFACE_INFO;
- {$EXTERNALSYM INTERFACE_INFO}
- LPINTERFACE_INFO = ^INTERFACE_INFO;
- {$EXTERNALSYM LPINTERFACE_INFO}
- TInterfaceInfo = INTERFACE_INFO;
- PInterfaceInfo = LPINTERFACE_INFO;
- // New structure that does not have dependency on the address size
- _INTERFACE_INFO_EX = record
- iiFlags: u_long; // Interface flags
- iiAddress: SOCKET_ADDRESS; // Interface address
- iiBroadcastAddress: SOCKET_ADDRESS; // Broadcast address
- iiNetmask: SOCKET_ADDRESS; // Network mask
- end;
- {$EXTERNALSYM _INTERFACE_INFO_EX}
- INTERFACE_INFO_EX = _INTERFACE_INFO_EX;
- {$EXTERNALSYM INTERFACE_INFO_EX}
- LPINTERFACE_INFO_EX = ^INTERFACE_INFO_EX;
- {$EXTERNALSYM LPINTERFACE_INFO_EX}
- TInterfaceInfoEx = INTERFACE_INFO_EX;
- PInterfaceInfoEx = LPINTERFACE_INFO_EX;
- // Possible flags for the iiFlags - bitmask
- const
- IFF_UP = $00000001; // Interface is up
- {$EXTERNALSYM IFF_UP}
- IFF_BROADCAST = $00000002; // Broadcast is supported
- {$EXTERNALSYM IFF_BROADCAST}
- IFF_LOOPBACK = $00000004; // this is loopback interface
- {$EXTERNALSYM IFF_LOOPBACK}
- IFF_POINTTOPOINT = $00000008; //this is point-to-point interface
- {$EXTERNALSYM IFF_POINTTOPOINT}
- IFF_MULTICAST = $00000010; // multicast is supported
- {$EXTERNALSYM IFF_MULTICAST}
- // structure for IP_PKTINFO option
- //
- type
- in_pktinfo = record
- ipi_addr: IN_ADDR; // destination IPv4 address
- ipi_ifindex: UINT; // received interface index
- end;
- {$EXTERNALSYM in_pktinfo}
- TInPktInfo = in_pktinfo;
- PInPktInfo = ^in_pktinfo;
- // C_ASSERT(sizeof(IN_PKTINFO) == 8);
- // structure for IPV6_PKTINFO option
- //
- in6_pktinfo = record
- ipi6_addr: IN6_ADDR; // destination IPv6 address
- ipi6_ifindex: UINT; // received interface index
- end;
- {$EXTERNALSYM in6_pktinfo}
- TIn6PktInfo = in6_pktinfo;
- PIn6PktInfo = ^in6_pktinfo;
- // C_ASSERT(sizeof(IN6_PKTINFO) == 20);
- // Error codes from getaddrinfo()
- const
- EAI_AGAIN = WSATRY_AGAIN;
- {$EXTERNALSYM EAI_AGAIN}
- EAI_BADFLAGS = WSAEINVAL;
- {$EXTERNALSYM EAI_BADFLAGS}
- EAI_FAIL = WSANO_RECOVERY;
- {$EXTERNALSYM EAI_FAIL}
- EAI_FAMILY = WSAEAFNOSUPPORT;
- {$EXTERNALSYM EAI_FAMILY}
- EAI_MEMORY = WSA_NOT_ENOUGH_MEMORY;
- {$EXTERNALSYM EAI_MEMORY}
- //#define EAI_NODATA WSANO_DATA
- EAI_NONAME = WSAHOST_NOT_FOUND;
- {$EXTERNALSYM EAI_NONAME}
- EAI_SERVICE = WSATYPE_NOT_FOUND;
- {$EXTERNALSYM EAI_SERVICE}
- EAI_SOCKTYPE = WSAESOCKTNOSUPPORT;
- {$EXTERNALSYM EAI_SOCKTYPE}
- //
- // DCR_FIX: EAI_NODATA remove or fix
- //
- // EAI_NODATA was removed from rfc2553bis
- // need to find out from the authors why and
- // determine the error for "no records of this type"
- // temporarily, we'll keep #define to avoid changing
- // code that could change back; use NONAME
- //
- EAI_NODATA = EAI_NONAME;
- {$EXTERNALSYM EAI_NODATA}
- // Structure used in getaddrinfo() call
- type
- LPADDRINFO = ^addrinfo;
- {$EXTERNALSYM LPADDRINFO}
- addrinfo = record
- ai_flags: Integer; // AI_PASSIVE, AI_CANONNAME, AI_NUMERICHOST
- ai_family: Integer; // PF_xxx
- ai_socktype: Integer; // SOCK_xxx
- ai_protocol: Integer; // 0 or IPPROTO_xxx for IPv4 and IPv6
- ai_addrlen: size_t; // Length of ai_addr
- ai_canonname: PChar; // Canonical name for nodename
- ai_addr: PSockAddr; // Binary address
- ai_next: LPADDRINFO; // Next structure in linked list
- end;
- {$EXTERNALSYM addrinfo}
- TAddrInfo = addrinfo;
- PAddrInfo = LPADDRINFO;
- // Flags used in "hints" argument to getaddrinfo()
- const
- AI_PASSIVE = $1; // Socket address will be used in bind() call
- {$EXTERNALSYM AI_PASSIVE}
- AI_CANONNAME = $2; // Return canonical name in first ai_canonname
- {$EXTERNALSYM AI_CANONNAME}
- AI_NUMERICHOST = $4; // Nodename must be a numeric address string
- {$EXTERNALSYM AI_NUMERICHOST}
- function getaddrinfo(nodename, servname: PChar; hints: PAddrInfo; var res: PAddrInfo): Integer; stdcall;
- {$EXTERNALSYM getaddrinfo}
- procedure freeaddrinfo(ai: PAddrInfo); stdcall;
- {$EXTERNALSYM freeaddrinfo}
- // WARNING: The gai_strerror inline functions below use static buffers,
- // and hence are not thread-safe. We'll use buffers long enough to hold
- // 1k characters. Any system error messages longer than this will be
- // returned as empty strings. However 1k should work for the error codes
- // used by getaddrinfo().
- const
- GAI_STRERROR_BUFFER_SIZE = 1024;
- {$EXTERNALSYM GAI_STRERROR_BUFFER_SIZE}
- function gai_strerrorA(ecode: Integer): PChar;
- {$EXTERNALSYM gai_strerrorA}
- function gai_strerrorW(ecode: Integer): PWideChar;
- {$EXTERNALSYM gai_strerrorW}
- {$IFDEF UNICODE}
- function gai_strerror(ecode: Integer): PWideChar;
- {$EXTERNALSYM gai_strerror}
- {$ELSE}
- function gai_strerror(ecode: Integer): PChar;
- {$EXTERNALSYM gai_strerror}
- {$ENDIF}
- type
- socklen_t = Integer;
- {$EXTERNALSYM socklen_t}
- function getnameinfo(sa: PSockAddr; salen: socklen_t; host: PChar; hostlen: DWORD; serv: PChar; servlen: DWORD; flags: Integer): Integer; stdcall;
- {$EXTERNALSYM getnameinfo}
- const
- NI_MAXHOST = 1025; // Max size of a fully-qualified domain name
- {$EXTERNALSYM NI_MAXHOST}
- NI_MAXSERV = 32; // Max size of a service name
- {$EXTERNALSYM NI_MAXSERV}
- INET_ADDRSTRLEN = 16; // Max size of numeric form of IPv4 address
- {$EXTERNALSYM INET_ADDRSTRLEN}
- INET6_ADDRSTRLEN = 46; // Max size of numeric form of IPv6 address
- {$EXTERNALSYM INET6_ADDRSTRLEN}
- // Flags for getnameinfo()
- NI_NOFQDN = $01; // Only return nodename portion for local hosts
- {$EXTERNALSYM NI_NOFQDN}
- NI_NUMERICHOST = $02; // Return numeric form of the host's address
- {$EXTERNALSYM NI_NUMERICHOST}
- NI_NAMEREQD = $04; // Error if the host's name not in DNS
- {$EXTERNALSYM NI_NAMEREQD}
- NI_NUMERICSERV = $08; // Return numeric form of the service (port #)
- {$EXTERNALSYM NI_NUMERICSERV}
- NI_DGRAM = $10; // Service is a datagram service
- {$EXTERNALSYM NI_DGRAM}
- implementation
- uses
- SysUtils, JwaWinBase, JwaWinNT;
- function IP_MSFILTER_SIZE(numsrc: Integer): Integer;
- begin
- Result := SizeOf(ip_msfilter) - SizeOf(in_addr) + (numsrc * SizeOf(in_addr));
- end;
- function SS_PORT(ssp: Pointer): u_short;
- begin
- Result := PSockAddrIn(ssp)^.sin_port;
- end;
- procedure IN6ADDR_SETANY(var x: TSockAddrIn6);
- var
- I: Integer;
- begin
- x.sin6_family := AF_INET6;
- x.sin6_port := 0;
- x.sin6_flowinfo := 0;
- for I := 0 to 15 do x.sin6_addr.s6_addr[I] := 0;
- end;
- procedure IN6ADDR_SETLOOPBACK(var x: TSockAddrIn6);
- var
- I: Integer;
- begin
- x.sin6_family := AF_INET6;
- x.sin6_port := 0;
- x.sin6_flowinfo := 0;
- for I := 0 to 14 do x.sin6_addr.s6_addr[I] := 0;
- x.sin6_addr.s6_addr[15] := 1;
- end;
- function IN6ADDR_ISANY(const x: TSockAddrIn6): Boolean;
- var
- I: Integer;
- begin
- Result := x.sin6_family = AF_INET6;
- for I := 0 to 15 do Result := Result and (x.sin6_addr.s6_addr[I] = 0);
- end;
- function IN6ADDR_ISLOOPBACK(const x: TSockAddrIn6): Boolean;
- var
- I: Integer;
- begin
- Result := x.sin6_family = AF_INET6;
- for I := 0 to 14 do Result := Result and (x.sin6_addr.s6_addr[I] = 0);
- Result := Result and (x.sin6_addr.s6_addr[15] = 1);
- end;
- function IN6_ADDR_EQUAL(const a, b: in6_addr): Boolean;
- begin
- Result := CompareMem(@a, @b, SizeOf(in6_addr));
- end;
- function IN6_IS_ADDR_UNSPECIFIED(const a: in6_addr): boolean;
- begin
- Result := IN6_ADDR_EQUAL(a, in6addr_any);
- end;
- function IN6_IS_ADDR_LOOPBACK(const a: in6_addr): Boolean;
- begin
- Result := IN6_ADDR_EQUAL(a, in6addr_loopback);
- end;
- function IN6_IS_ADDR_MULTICAST(const a: in6_addr): Boolean;
- begin
- Result := (a.s6_bytes[0] = $ff);
- end;
- function IN6_IS_ADDR_LINKLOCAL(const a: in6_addr): Boolean;
- begin
- Result := ((a.s6_bytes[0] = $fe) and ((a.s6_bytes[1] and $c0) = $80));
- end;
- function IN6_IS_ADDR_SITELOCAL(const a: in6_addr): Boolean;
- begin
- Result := ((a.s6_bytes[0] = $fe) and ((a.s6_bytes[1] and $c0) = $c0));
- end;
- function IN6_IS_ADDR_V4MAPPED(const a: in6_addr): Boolean;
- begin
- Result := ((a.s6_words[0] = 0) and (a.s6_words[1] = 0) and (a.s6_words[2] = 0) and
- (a.s6_words[3] = 0) and (a.s6_words[4] = 0) and (a.s6_words[5] = $ffff));
- end;
- function IN6_IS_ADDR_V4COMPAT(const a: in6_addr): Boolean;
- begin
- Result :=
- ((a.s6_words[0] = 0) and
- (a.s6_words[1] = 0) and
- (a.s6_words[2] = 0) and
- (a.s6_words[3] = 0) and
- (a.s6_words[4] = 0) and
- (a.s6_words[5] = 0) and
- not ((a.s6_words[6] = 0) and
- (a.s6_addr[14] = 0) and
- ((a.s6_addr[15] = 0) or (a.s6_addr[15] = 1))));
- end;
- function IN6_IS_ADDR_MC_NODELOCAL(const a: in6_addr): Boolean;
- begin
- Result := IN6_IS_ADDR_MULTICAST(a) and ((a.s6_bytes[1] and $f) = 1);
- end;
- function IN6_IS_ADDR_MC_LINKLOCAL(const a: in6_addr): Boolean;
- begin
- Result := IN6_IS_ADDR_MULTICAST(a) and ((a.s6_bytes[1] and $f) = 2);
- end;
- function IN6_IS_ADDR_MC_SITELOCAL(const a: in6_addr): Boolean;
- begin
- Result := IN6_IS_ADDR_MULTICAST(a) and ((a.s6_bytes[1] and $f) = 5);
- end;
- function IN6_IS_ADDR_MC_ORGLOCAL(const a: in6_addr): Boolean;
- begin
- Result := IN6_IS_ADDR_MULTICAST(a) and ((a.s6_bytes[1] and $f) = 8);
- end;
- function IN6_IS_ADDR_MC_GLOBAL(const a: in6_addr): Boolean;
- begin
- Result := IN6_IS_ADDR_MULTICAST(a) and ((a.s6_bytes[1] and $f) = $e);
- end;
- const
- ws2tcpip = 'ws2_32.dll';
- function getaddrinfo; external ws2tcpip name 'getaddrinfo';
- procedure freeaddrinfo; external ws2tcpip name 'freeaddrinfo';
- function gai_strerrorA(ecode: Integer): PChar;
- var
- dwMsgLen: DWORD;
- buff: array [0..GAI_STRERROR_BUFFER_SIZE] of Char;
- begin
- dwMsgLen := FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_IGNORE_INSERTS or FORMAT_MESSAGE_MAX_WIDTH_MASK,
- nil, ecode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), PChar(buff[0]), GAI_STRERROR_BUFFER_SIZE, nil);
- if dwMsgLen = 0 then
- Result := nil
- else
- Result := PChar(buff[0]);
- end;
- function gai_strerrorW(ecode: Integer): PWideChar;
- var
- dwMsgLen: DWORD;
- buff: array [0..GAI_STRERROR_BUFFER_SIZE] of WideChar;
- begin
- dwMsgLen := FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_IGNORE_INSERTS or FORMAT_MESSAGE_MAX_WIDTH_MASK,
- nil, ecode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), PWideChar(buff[0]), GAI_STRERROR_BUFFER_SIZE, nil);
- if dwMsgLen = 0 then
- Result := nil
- else
- Result := PWideChar(buff[0]);
- end;
- {$IFDEF UNICODE}
- function gai_strerror(ecode: Integer): PWideChar;
- var
- dwMsgLen: DWORD;
- buff: array [0..GAI_STRERROR_BUFFER_SIZE] of WideChar;
- begin
- dwMsgLen := FormatMessageW(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_IGNORE_INSERTS or FORMAT_MESSAGE_MAX_WIDTH_MASK,
- nil, ecode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), PWideChar(buff[0]), GAI_STRERROR_BUFFER_SIZE, nil);
- if dwMsgLen = 0 then
- Result := nil
- else
- Result := PWideChar(buff[0]);
- end;
- {$ELSE}
- function gai_strerror(ecode: Integer): PChar;
- var
- dwMsgLen: DWORD;
- buff: array [0..GAI_STRERROR_BUFFER_SIZE] of Char;
- begin
- dwMsgLen := FormatMessageA(FORMAT_MESSAGE_FROM_SYSTEM or FORMAT_MESSAGE_IGNORE_INSERTS or FORMAT_MESSAGE_MAX_WIDTH_MASK,
- nil, ecode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), PChar(buff[0]), GAI_STRERROR_BUFFER_SIZE, nil);
- if dwMsgLen = 0 then
- Result := nil
- else
- Result := PChar(buff[0]);
- end;
- {$ENDIF}
- function getnameinfo; external ws2tcpip name 'getnameinfo';
- end.