Difference between revisions of "Unit Winsock2"

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Revision as of 06:44, 27 September 2016

Return to Unit Reference


Description

Notes:

  • All BSD/Winsock functions that accept an Address or Port expect them to be in Network order.
  • All other functions that take an Address or Port expect them to be in Host order.

Constants

To be documented

Type definitions

To be documented

Public variables

To be documented

Function declarations


Initialization functions 

procedure WS2Init;
Description: To be documented
Note None documented 


function WS2Start:Boolean;
Description: To be documented
Note None documented 


function WS2Stop:Boolean;
Description: To be documented
Note None documented 


procedure WS2AsyncStart(Data:Pointer);
Description: To be documented
Note None documented


Winsock2 functions 

function accept( const s: TSocket; addr: PSockAddr; addrlen: PLongint ): TSocket;
Description: To be documented
Note None documented 


function accept( const s: TSocket; addr: PSockAddr; var addrlen: Longint ): TSocket;
Description: To be documented
Note None documented 


function bind( const s: TSocket; addr: PSockAddr; namelen: Longint ): Longint;
Description: To be documented
Note None documented 


function bind( const s: TSocket; var addr: TSockAddr; namelen: Longint ): Longint;
Description: To be documented
Note None documented 


function closesocket( const s: TSocket ): Longint;
Description: To be documented
Note None documented 


function connect( const s: TSocket; name: PSockAddr; namelen: Longint): Longint;
Description: To be documented
Note None documented 


function connect( const s: TSocket; var name: TSockAddr; namelen: Longint): Longint;
Description: To be documented
Note None documented 


function ioctlsocket( const s: TSocket; cmd: Longint; var arg: u_long ): Longint;
Description: To be documented
Note None documented 


function ioctlsocket( const s: TSocket; cmd: Longint; argp: pu_long ): Longint;
Description: To be documented
Note None documented 


function getpeername( const s: TSocket; var name: TSockAddr; var namelen: Longint ): Longint;
Description: To be documented
Note None documented 


function getsockname( const s: TSocket; var name: TSockAddr; var namelen: Longint ): Longint;
Description: To be documented
Note None documented 


function getsockopt( const s: TSocket; const level, optname: Longint; optval: PChar; var optlen: Longint ): Longint;
Description: To be documented
Note None documented 


function getsockopt( const s: TSocket; const level, optname: Longint; optval: Pointer; var optlen: Longint ): Longint;
Description: To be documented
Note None documented 


function getsockopt( const s: TSocket; const level, optname: Longint; var optval; var optlen: Longint ): Longint;
Description: To be documented
Note None documented 


function htonl(hostlong: u_long): u_long;
Description: To be documented
Note None documented 


function htons(hostshort: u_short): u_short;
Description: To be documented
Note None documented 


function inet_addr(cp: PChar): u_long;
Description: To be documented
Note None documented 


function inet_ntoa(inaddr: TInAddr): PChar;
Description: To be documented
Note As per the Winsock specification, the buffer returned by this function is only guaranteed to be valid until the next Winsock function call is made within the same thread. Therefore, the data should be copied before another Winsock call. 


function listen(s: TSocket; backlog: Longint): Longint;
Description: To be documented
Note None documented 


function ntohl(netlong: u_long): u_long;
Description: To be documented
Note None documented 


function ntohs(netshort: u_short): u_short;
Description: To be documented
Note None documented 


function recv(s: TSocket; var Buf; len, flags: Longint): Longint;
Description: To be documented
Note None documented 


function recv(s: TSocket; Buf: PChar; len, flags: Longint): Longint;
Description: To be documented
Note None documented 


function recv(s: TSocket; Buf: Pointer; len, flags: Longint): Longint;
Description: To be documented
Note None documented 


function recvfrom(s: TSocket; Buf: PChar; len, flags: Longint; from: PSockAddr; fromlen: PLongint): Longint;
Description: To be documented
Note None documented 


function recvfrom(s: TSocket; Buf: Pointer; len, flags: Longint; from: PSockAddr; fromlen: PLongint): Longint;
Description: To be documented
Note None documented 


function recvfrom(s: TSocket; var Buf; len, flags: Longint; var from: TSockAddr; var fromlen: Longint): Longint;
Description: To be documented
Note None documented 


function select(nfds: Longint; readfds, writefds, exceptfds: PFDSet; timeout: PTimeVal): Longint;
Description: To be documented
Note All sockets contained in the FSSet must by of the same type 


function send(s: TSocket; var Buf; len, flags: Longint): Longint;
Description: To be documented
Note None documented 


function send(s: TSocket; Buf: PChar; len, flags: Longint): Longint;
Description: To be documented
Note None documented 


function send(s: TSocket; Buf: Pointer; len, flags: Longint): Longint;
Description: To be documented
Note None documented 


function sendto(s: TSocket; var Buf; len, flags: Longint; var addrto: TSockAddr; tolen: Longint): Longint;
Description: To be documented
Note None documented 


function sendto(s: TSocket; Buf: PChar; len, flags: Longint; addrto: PSockAddr; tolen: Longint): Longint;
Description: To be documented
Note None documented 


function sendto(s: TSocket; Buf: Pointer; len, flags: Longint; addrto: PSockAddr; tolen: Longint): Longint;
Description: To be documented
Note None documented 


function setsockopt(s: TSocket; level, optname: Longint; const optval; optlen: Longint): Longint;
Description: To be documented
Note None documented 


function setsockopt(s: TSocket; level, optname: Longint; optval: PChar; optlen: Longint): Longint;
Description: To be documented
Note None documented 


function setsockopt(s: TSocket; level, optname: Longint; optval: Pointer; optlen: Longint): Longint;
Description: To be documented
Note None documented 


function shutdown(s: TSocket; how: Longint): Longint;
Description: To be documented
Note None documented 


function socket(af, struct, protocol: Longint): TSocket;
Description: To be documented
Note None documented 


function gethostbyaddr(addr: Pointer; len, family: Longint): PHostEnt;
Description: To be documented
Note None documented 


function gethostbyname(name: PChar): PHostEnt;
Description: To be documented
Note None documented 


function gethostname(name: PChar; len: Longint): Longint;
Description: To be documented
Note None documented 


function getservbyport(port: Longint; proto: PChar): PServEnt;
Description: To be documented
Note None documented 


function getservbyname(name, proto: PChar): PServEnt;
Description: To be documented
Note None documented 


function getprotobynumber(proto: Longint): PProtoEnt;
Description: To be documented
Note None documented 


function getprotobyname(name: PChar): PProtoEnt;
Description: To be documented
Note None documented 


function getaddrinfo(pNodeName, pServiceName: PChar; pHints: PAddrInfo; var ppResult: PAddrInfo): LongInt;
Description: To be documented
Note None documented 


procedure freeaddrinfo(ai: PAddrInfo);
Description: To be documented
Note None documented 


function getnameinfo(sa: PSockAddr; salen: Integer; host: PChar; hostlen: DWORD; serv: PChar; servlen: DWORD; flags: Integer): Integer;
Description: To be documented
Note None documented 


function WSAStartup(wVersionRequired: word; var WSData: TWSAData): Longint;
Description: To be documented
Note None documented 


function WSACleanup: Longint;
Description: To be documented
Note None documented 


procedure WSASetLastError(iError: Longint);
Description: To be documented
Note None documented 


function WSAGetLastError: Longint;
Description: To be documented
Note None documented 


function __WSAFDIsSet(s: TSOcket; var FDSet: TFDSet): Bool;
Description: To be documented
Note None documented 


function inet_pton(Family: Longint; pszAddrString: PChar; pAddrBuf: Pointer): Longint;
Description: To be documented
Note None documented 


function InetPtonA(Family: Longint; pszAddrString: PChar; pAddrBuf: Pointer): Longint;
Description: To be documented
Note None documented 


function InetPtonW(Family: Longint; pszAddrString: PWideChar; pAddrBuf: Pointer): Longint;
Description: To be documented
Note None documented 


function inet_ntop(Family: Longint; pAddr: Pointer; pStringBuf: PChar; StringBufSize: Longint): PChar;
Description: To be documented
Note None documented 


function InetNtopA(Family: Longint; pAddr: Pointer; pStringBuf: PChar; StringBufSize: Longint): PChar;
Description: To be documented
Note None documented 


function InetNtopW(Family: Longint; pAddr: Pointer; pStringBuf: PWideChar; StringBufSize: Longint): PWideChar;
Description: To be documented
Note None documented 


function WSAhtonl( s : TSocket; hostlong : u_long; var lpnetlong : DWORD ): Longint;
Description: To be documented
Note None documented 


function WSAhtons( s : TSocket; hostshort : u_short; var lpnetshort : WORD ): Longint;
Description: To be documented
Note None documented 


function WSANtohl( s : TSocket; netlong : u_long; var lphostlong : DWORD ): Longint;
Description: To be documented
Note None documented 


function WSANtohs( s : TSocket; netshort : u_short; var lphostshort : WORD ): Longint;
Description: To be documented
Note None documented 


function WSAMakeSyncReply(Buflen, Error: Word): Longint;
Description: To be documented
Note None documented 


function WSAMakeSelectReply(Event, Error: Word): Longint;
Description: To be documented
Note None documented 


function WSAGetAsyncBuflen(Param: Longint): Word;
Description: To be documented
Note None documented 


function WSAGetAsyncError(Param: Longint): Word;
Description: To be documented
Note None documented 


function WSAGetSelectEvent(Param: Longint): Word;
Description: To be documented
Note None documented 


function WSAGetSelectError(Param: Longint): Word;
Description: To be documented
Note None documented 


procedure FD_CLR(Socket: TSocket; var FDSet: TFDSet);
Description: To be documented
Note None documented 


function FD_ISSET(Socket: TSocket; var FDSet: TFDSet): Boolean;
Description: To be documented
Note None documented 


procedure FD_SET(Socket: TSocket; var FDSet: TFDSet);
Description: To be documented
Note None documented 


procedure FD_ZERO(var FDSet: TFDSet);
Description: To be documented
Note None documented


Winsock2 undocumented functions 

function WsControl(Proto:DWORD; Action:DWORD; pRequestInfo:Pointer; var pcbRequestInfoLen:DWORD; pResponseInfo:Pointer; var pcbResponseInfoLen:DWORD):Integer;
Description: To be documented
Note None documented 


function getnetbyaddr(addr: Pointer; len, Struct: Integer): PNetEnt;
Description: To be documented
Note None documented 


function getnetbyname(name: PChar): PNetEnt;
Description: To be documented
Note None documented


Winsock2 enhanced functions 

function WsControlEx(Proto:DWORD; Action:DWORD; pRequestInfo:Pointer; var pcbRequestInfoLen:DWORD; pResponseInfo:Pointer; var pcbResponseInfoLen:DWORD):Integer;
Description: To be documented
Note None documented


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