sswin32.pas

snmp设计增加相应SNMP的OID,是实时处理的.

  PProtoEnt = ^TProtoEnt;
  TProtoEnt = packed record
    p_name: PChar;
    p_aliases: ^Pchar;
    p_proto: Smallint;
  end;

const
  INADDR_ANY       = $00000000;
  INADDR_LOOPBACK  = $7F000001;
  INADDR_BROADCAST = $FFFFFFFF;
  INADDR_NONE      = $FFFFFFFF;
  ADDR_ANY		 = INADDR_ANY;
  INVALID_SOCKET		= TSocket(NOT(0));
  SOCKET_ERROR			= -1;

Const
  {$IFDEF WINSOCK1}
    IP_OPTIONS          = 1;
    IP_MULTICAST_IF     = 2;           { set/get IP multicast interface   }
    IP_MULTICAST_TTL    = 3;           { set/get IP multicast timetolive  }
    IP_MULTICAST_LOOP   = 4;           { set/get IP multicast loopback    }
    IP_ADD_MEMBERSHIP   = 5;           { add  an IP group membership      }
    IP_DROP_MEMBERSHIP  = 6;           { drop an IP group membership      }
    IP_TTL              = 7;           { set/get IP Time To Live          }
    IP_TOS              = 8;           { set/get IP Type Of Service       }
    IP_DONTFRAGMENT     = 9;           { set/get IP Don't Fragment flag   }
  {$ELSE}
    IP_OPTIONS          = 1;
    IP_HDRINCL          = 2;
    IP_TOS              = 3;           { set/get IP Type Of Service       }
    IP_TTL              = 4;           { set/get IP Time To Live          }
    IP_MULTICAST_IF     = 9;           { set/get IP multicast interface   }
    IP_MULTICAST_TTL    = 10;           { set/get IP multicast timetolive  }
    IP_MULTICAST_LOOP   = 11;           { set/get IP multicast loopback    }
    IP_ADD_MEMBERSHIP   = 12;           { add  an IP group membership      }
    IP_DROP_MEMBERSHIP  = 13;           { drop an IP group membership      }
    IP_DONTFRAGMENT     = 14;           { set/get IP Don't Fragment flag   }
  {$ENDIF}

  IP_DEFAULT_MULTICAST_TTL   = 1;    { normally limit m'casts to 1 hop  }
  IP_DEFAULT_MULTICAST_LOOP  = 1;    { normally hear sends if a member  }
  IP_MAX_MEMBERSHIPS         = 20;   { per socket; must fit in one mbuf }

  SOL_SOCKET      = $ffff;          {options for socket level }
{ Option flags per-socket. }
  SO_DEBUG        = $0001;          { turn on debugging info recording }
  SO_ACCEPTCONN   = $0002;          { socket has had listen() }
  SO_REUSEADDR    = $0004;          { allow local address reuse }
  SO_KEEPALIVE    = $0008;          { keep connections alive }
  SO_DONTROUTE    = $0010;          { just use interface addresses }
  SO_BROADCAST    = $0020;          { permit sending of broadcast msgs }
  SO_USELOOPBACK  = $0040;          { bypass hardware when possible }
  SO_LINGER       = $0080;          { linger on close if data present }
  SO_OOBINLINE    = $0100;          { leave received OOB data in line }
  SO_DONTLINGER  =   $ff7f;
{ Additional options. }
  SO_SNDBUF       = $1001;          { send buffer size }
  SO_RCVBUF       = $1002;          { receive buffer size }
  SO_SNDLOWAT     = $1003;          { send low-water mark }
  SO_RCVLOWAT     = $1004;          { receive low-water mark }
  SO_SNDTIMEO     = $1005;          { send timeout }
  SO_RCVTIMEO     = $1006;          { receive timeout }
  SO_ERROR        = $1007;          { get error status and clear }
  SO_TYPE         = $1008;          { get socket type }
{ WinSock 2 extension -- new options }
  SO_GROUP_ID       = $2001; { ID of a socket group}
  SO_GROUP_PRIORITY = $2002; { the relative priority within a group}
  SO_MAX_MSG_SIZE   = $2003; { maximum message size }
  SO_PROTOCOL_INFOA = $2004; { WSAPROTOCOL_INFOA structure }
  SO_PROTOCOL_INFOW = $2005; { WSAPROTOCOL_INFOW structure }
  SO_PROTOCOL_INFO  = SO_PROTOCOL_INFOA;
  PVD_CONFIG        = $3001; {configuration info for service provider }
{ Option for opening sockets for synchronous access. }
  SO_OPENTYPE     = $7008;
  SO_SYNCHRONOUS_ALERT    = $10;
  SO_SYNCHRONOUS_NONALERT = $20;
{ Other NT-specific options. }
  SO_MAXDG        = $7009;
  SO_MAXPATHDG    = $700A;
  SO_UPDATE_ACCEPT_CONTEXT     = $700B;
  SO_CONNECT_TIME = $700C;

  SOMAXCONN       = $7fffffff;

  IPV6_UNICAST_HOPS      = 8;  // ???
  IPV6_MULTICAST_IF      = 9;  // set/get IP multicast i/f
  IPV6_MULTICAST_HOPS    = 10; // set/get IP multicast ttl
  IPV6_MULTICAST_LOOP    = 11; // set/get IP multicast loopback
  IPV6_JOIN_GROUP        = 12; // add an IP group membership
  IPV6_LEAVE_GROUP       = 13; // drop an IP group membership

  MSG_NOSIGNAL  = 0;

  // getnameinfo constants
  NI_MAXHOST	   = 1025;
  NI_MAXSERV	   = 32;
  NI_NOFQDN 	   = $1;
  NI_NUMERICHOST = $2;
  NI_NAMEREQD	   = $4;
  NI_NUMERICSERV = $8;
  NI_DGRAM       = $10;


const
  SOCK_STREAM     = 1;               { stream socket }
  SOCK_DGRAM      = 2;               { datagram socket }
  SOCK_RAW        = 3;               { raw-protocol interface }
  SOCK_RDM        = 4;               { reliably-delivered message }
  SOCK_SEQPACKET  = 5;               { sequenced packet stream }

{ TCP options. }
  TCP_NODELAY     = $0001;

{ Address families. }

  AF_UNSPEC       = 0;               { unspecified }
  AF_INET         = 2;               { internetwork: UDP, TCP, etc. }
  AF_INET6        = 23;              { Internetwork Version 6 }
  AF_MAX          = 24;

{ Protocol families, same as address families for now. }
  PF_UNSPEC       = AF_UNSPEC;
  PF_INET         = AF_INET;
  PF_INET6        = AF_INET6;
  PF_MAX          = AF_MAX;

type
  { Structure used by kernel to store most addresses. }
  PSockAddr = ^TSockAddr;
  TSockAddr = TSockAddrIn;

  { Structure used by kernel to pass protocol information in raw sockets. }
  PSockProto = ^TSockProto;
  TSockProto = packed record
    sp_family: u_short;
    sp_protocol: u_short;
  end;

type
  PAddrInfo = ^TAddrInfo;
  TAddrInfo = 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: u_int;    // Length of ai_addr.
                ai_canonname: PChar;  // Canonical name for nodename.
                ai_addr: PSockAddr;   // Binary address.
                ai_next: PAddrInfo;     // Next structure in linked list.
              end;

const
  // Flags used in "hints" argument to getaddrinfo().
  AI_PASSIVE     = $1;  // Socket address will be used in bind() call.
  AI_CANONNAME   = $2;  // Return canonical name in first ai_canonname.
  AI_NUMERICHOST = $4;  // Nodename must be a numeric address string.

type
{ Structure used for manipulating linger option. }
  PLinger = ^TLinger;
  TLinger = packed record
    l_onoff: u_short;
    l_linger: u_short;
  end;

const

  MSG_OOB       = $01;                  // Process out-of-band data.
  MSG_PEEK      = $02;                  // Peek at incoming messages.

const

{ All Windows Sockets error constants are biased by WSABASEERR from the "normal" }
  WSABASEERR              = 10000;

{ Windows Sockets definitions of regular Microsoft C error constants }

  WSAEINTR                = (WSABASEERR+4);
  WSAEBADF                = (WSABASEERR+9);
  WSAEACCES               = (WSABASEERR+13);
  WSAEFAULT               = (WSABASEERR+14);
  WSAEINVAL               = (WSABASEERR+22);
  WSAEMFILE               = (WSABASEERR+24);

{ Windows Sockets definitions of regular Berkeley error constants }

  WSAEWOULDBLOCK          = (WSABASEERR+35);
  WSAEINPROGRESS          = (WSABASEERR+36);
  WSAEALREADY             = (WSABASEERR+37);
  WSAENOTSOCK             = (WSABASEERR+38);
  WSAEDESTADDRREQ         = (WSABASEERR+39);
  WSAEMSGSIZE             = (WSABASEERR+40);
  WSAEPROTOTYPE           = (WSABASEERR+41);
  WSAENOPROTOOPT          = (WSABASEERR+42);
  WSAEPROTONOSUPPORT      = (WSABASEERR+43);
  WSAESOCKTNOSUPPORT      = (WSABASEERR+44);
  WSAEOPNOTSUPP           = (WSABASEERR+45);
  WSAEPFNOSUPPORT         = (WSABASEERR+46);
  WSAEAFNOSUPPORT         = (WSABASEERR+47);
  WSAEADDRINUSE           = (WSABASEERR+48);
  WSAEADDRNOTAVAIL        = (WSABASEERR+49);
  WSAENETDOWN             = (WSABASEERR+50);
  WSAENETUNREACH          = (WSABASEERR+51);
  WSAENETRESET            = (WSABASEERR+52);
  WSAECONNABORTED         = (WSABASEERR+53);
  WSAECONNRESET           = (WSABASEERR+54);
  WSAENOBUFS              = (WSABASEERR+55);
  WSAEISCONN              = (WSABASEERR+56);
  WSAENOTCONN             = (WSABASEERR+57);
  WSAESHUTDOWN            = (WSABASEERR+58);
  WSAETOOMANYREFS         = (WSABASEERR+59);
  WSAETIMEDOUT            = (WSABASEERR+60);
  WSAECONNREFUSED         = (WSABASEERR+61);
  WSAELOOP                = (WSABASEERR+62);
  WSAENAMETOOLONG         = (WSABASEERR+63);
  WSAEHOSTDOWN            = (WSABASEERR+64);
  WSAEHOSTUNREACH         = (WSABASEERR+65);
  WSAENOTEMPTY            = (WSABASEERR+66);
  WSAEPROCLIM             = (WSABASEERR+67);
  WSAEUSERS               = (WSABASEERR+68);
  WSAEDQUOT               = (WSABASEERR+69);
  WSAESTALE               = (WSABASEERR+70);
  WSAEREMOTE              = (WSABASEERR+71);

{ Extended Windows Sockets error constant definitions }

  WSASYSNOTREADY          = (WSABASEERR+91);
  WSAVERNOTSUPPORTED      = (WSABASEERR+92);
  WSANOTINITIALISED       = (WSABASEERR+93);
  WSAEDISCON              = (WSABASEERR+101);
  WSAENOMORE              = (WSABASEERR+102);
  WSAECANCELLED           = (WSABASEERR+103);
  WSAEEINVALIDPROCTABLE   = (WSABASEERR+104);
  WSAEINVALIDPROVIDER     = (WSABASEERR+105);
  WSAEPROVIDERFAILEDINIT  = (WSABASEERR+106);
  WSASYSCALLFAILURE       = (WSABASEERR+107);
  WSASERVICE_NOT_FOUND    = (WSABASEERR+108);
  WSATYPE_NOT_FOUND       = (WSABASEERR+109);
  WSA_E_NO_MORE           = (WSABASEERR+110);
  WSA_E_CANCELLED         = (WSABASEERR+111);
  WSAEREFUSED             = (WSABASEERR+112);

{ Error return codes from gethostbyname() and gethostbyaddr()
  (when using the resolver). Note that these errors are
  retrieved via WSAGetLastError() and must therefore follow
  the rules for avoiding clashes with error numbers from
  specific implementations or language run-time systems.
  For this reason the codes are based at WSABASEERR+1001.
  Note also that [WSA]NO_ADDRESS is defined only for
  compatibility purposes. }

{ Authoritative Answer: Host not found }
  WSAHOST_NOT_FOUND       = (WSABASEERR+1001);
  HOST_NOT_FOUND          = WSAHOST_NOT_FOUND;
{ Non-Authoritative: Host not found, or SERVERFAIL }
  WSATRY_AGAIN            = (WSABASEERR+1002);
  TRY_AGAIN               = WSATRY_AGAIN;
{ Non recoverable errors, FORMERR, REFUSED, NOTIMP }
  WSANO_RECOVERY          = (WSABASEERR+1003);
  NO_RECOVERY             = WSANO_RECOVERY;
{ Valid name, no data record of requested type }
  WSANO_DATA              = (WSABASEERR+1004);
  NO_DATA                 = WSANO_DATA;
{ no address, look for MX record }
  WSANO_ADDRESS           = WSANO_DATA;
  NO_ADDRESS              = WSANO_ADDRESS;

  EWOULDBLOCK        =  WSAEWOULDBLOCK;
  EINPROGRESS        =  WSAEINPROGRESS;
  EALREADY           =  WSAEALREADY;
  ENOTSOCK           =  WSAENOTSOCK;
  EDESTADDRREQ       =  WSAEDESTADDRREQ;
  EMSGSIZE           =  WSAEMSGSIZE;
  EPROTOTYPE         =  WSAEPROTOTYPE;
  ENOPROTOOPT        =  WSAENOPROTOOPT;
  EPROTONOSUPPORT    =  WSAEPROTONOSUPPORT;
  ESOCKTNOSUPPORT    =  WSAESOCKTNOSUPPORT;
  EOPNOTSUPP         =  WSAEOPNOTSUPP;
  EPFNOSUPPORT       =  WSAEPFNOSUPPORT;
  EAFNOSUPPORT       =  WSAEAFNOSUPPORT;
  EADDRINUSE         =  WSAEADDRINUSE;
  EADDRNOTAVAIL      =  WSAEADDRNOTAVAIL;
  ENETDOWN           =  WSAENETDOWN;
  ENETUNREACH        =  WSAENETUNREACH;
  ENETRESET          =  WSAENETRESET;
  ECONNABORTED       =  WSAECONNABORTED;
  ECONNRESET         =  WSAECONNRESET;
  ENOBUFS            =  WSAENOBUFS;
  EISCONN            =  WSAEISCONN;
  ENOTCONN           =  WSAENOTCONN;
  ESHUTDOWN          =  WSAESHUTDOWN;
  ETOOMANYREFS       =  WSAETOOMANYREFS;
  ETIMEDOUT          =  WSAETIMEDOUT;
  ECONNREFUSED       =  WSAECONNREFUSED;
  ELOOP              =  WSAELOOP;
  ENAMETOOLONG       =  WSAENAMETOOLONG;
  EHOSTDOWN          =  WSAEHOSTDOWN;
  EHOSTUNREACH       =  WSAEHOSTUNREACH;
  ENOTEMPTY          =  WSAENOTEMPTY;
  EPROCLIM           =  WSAEPROCLIM;
  EUSERS             =  WSAEUSERS;
  EDQUOT             =  WSAEDQUOT;
  ESTALE             =  WSAESTALE;
  EREMOTE            =  WSAEREMOTE;

  EAI_ADDRFAMILY  = 1;   // Address family for nodename not supported.
  EAI_AGAIN       = 2;   // Temporary failure in name resolution.
  EAI_BADFLAGS    = 3;   // Invalid value for ai_flags.
  EAI_FAIL        = 4;   // Non-recoverable failure in name resolution.
  EAI_FAMILY      = 5;   // Address family ai_family not supported.
  EAI_MEMORY      = 6;   // Memory allocation failure.
  EAI_NODATA      = 7;   // No address associated with nodename.
  EAI_NONAME      = 8;   // Nodename nor servname provided, or not known.
  EAI_SERVICE     = 9;   // Servname not supported for ai_socktype.
  EAI_SOCKTYPE    = 10;  // Socket type ai_socktype not supported.
  EAI_SYSTEM      = 11;  // System error returned in errno.

const
  WSADESCRIPTION_LEN     =   256;
  WSASYS_STATUS_LEN      =   128;
type
  PWSAData = ^TWSAData;
  TWSAData = packed record
    wVersion: Word;
    wHighVersion: Word;
    szDescription: array[0..WSADESCRIPTION_LEN] of Char;
    szSystemStatus: array[0..WSASYS_STATUS_LEN] of Char;
    iMaxSockets: Word;
    iMaxUdpDg: Word;
    lpVendorInfo: PChar;
  end;

  function IN6_IS_ADDR_UNSPECIFIED(const a: PInAddr6): boolean;
  function IN6_IS_ADDR_LOOPBACK(const a: PInAddr6): boolean;
  function IN6_IS_ADDR_LINKLOCAL(const a: PInAddr6): boolean;
  function IN6_IS_ADDR_SITELOCAL(const a: PInAddr6): boolean;
  function IN6_IS_ADDR_MULTICAST(const a: PInAddr6): boolean;
  function IN6_ADDR_EQUAL(const a: PInAddr6; const b: PInAddr6):boolean;
  procedure SET_IN6_IF_ADDR_ANY (const a: PInAddr6);
  procedure SET_LOOPBACK_ADDR6 (const a: PInAddr6);
var
  in6addr_any, in6addr_loopback : TInAddr6;

procedure FD_CLR(Socket: TSocket; var FDSet: TFDSet);
function FD_ISSET(Socket: TSocket; var FDSet: TFDSet): Boolean;
procedure FD_SET(Socket: TSocket; var FDSet: TFDSet);
procedure FD_ZERO(var FDSet: TFDSet);

{=============================================================================}

type
  TWSAStartup = function(wVersionRequired: Word; var WSData: TWSAData): Integer;
    stdcall;
  TWSACleanup = function: Integer;
    stdcall;
  TWSAGetLastError = function: Integer;
    stdcall;
  TGetServByName = function(name, proto: PChar): PServEnt;
    stdcall;
  TGetServByPort = function(port: Integer; proto: PChar): PServEnt;
    stdcall;
  TGetProtoByName = function(name: PChar): PProtoEnt;
    stdcall;
  TGetProtoByNumber = function(proto: Integer): PProtoEnt;
    stdcall;
  TGetHostByName = function(name: PChar): PHostEnt;
    stdcall;
  TGetHostByAddr = function(addr: Pointer; len, Struc: Integer): PHostEnt;
    stdcall;
  TGetHostName = function(name: PChar; len: Integer): Integer;
    stdcall;
  TShutdown = function(s: TSocket; how: Integer): Integer;
    stdcall;
  TSetSockOpt = function(s: TSocket; level, optname: Integer; optval: PChar;
    optlen: Integer): Integer;
    stdcall;
  TGetSockOpt = function(s: TSocket; level, optname: Integer; optval: PChar;
    var optlen: Integer): Integer;
    stdcall;
  TSendTo = function(s: TSocket; const Buf; len, flags: Integer; addrto: PSockAddr;
    tolen: Integer): Integer;
    stdcall;
  TSend = function(s: TSocket; const Buf; len, flags: Integer): Integer;
    stdcall;
  TRecv = function(s: TSocket; var Buf; len, flags: Integer): Integer;
    stdcall;
  TRecvFrom = function(s: TSocket; var Buf; len, flags: Integer; from: PSockAddr;
    var fromlen: Integer): Integer;
    stdcall;
  Tntohs = function(netshort: u_short): u_short;
    stdcall;
  Tntohl = function(netlong: u_long): u_long;
    stdcall;
  TListen = function(s: TSocket; backlog: Integer): Integer;
    stdcall;
  TIoctlSocket = function(s: TSocket; cmd: DWORD; var arg: u_long): Integer;
    stdcall;
  TInet_ntoa = function(inaddr: TInAddr): PChar;
    stdcall;
  TInet_addr = function(cp: PChar): u_long;
    stdcall;
  Thtons = function(hostshort: u_short): u_short;
    stdcall;
  Thtonl = function(hostlong: u_long): u_long;
    stdcall;
  TGetSockName = function(s: TSocket; name: PSockAddr; var namelen: Integer): Integer;
    stdcall;
  TGetPeerName = function(s: TSocket; name: PSockAddr; var namelen: Integer): Integer;
    stdcall;
  TConnect = function(s: TSocket; name: PSockAddr; namelen: Integer): Integer;