JwaWSnetbs.pas
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上传日期:2009-07-28
资源大小:1749k
文件大小:5k
源码类别:
Windows编程
开发平台:
Delphi
- {******************************************************************************}
- { }
- { Winsock2 Netbios API interface Unit for Object Pascal }
- { }
- { Portions created by Microsoft are Copyright (C) 1995-2001 Microsoft }
- { Corporation. All Rights Reserved. }
- { }
- { The original file is: wsnetbs.h, released June 2000. The original Pascal }
- { code is: WSnetbs.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 JwaWSnetbs;
- {$WEAKPACKAGEUNIT}
- {$HPPEMIT ''}
- {$HPPEMIT '#include "wsnetbs.h"'}
- {$HPPEMIT ''}
- {$I WINDEFINES.INC}
- interface
- uses
- JwaWinSock2;
- //
- // wsnetbs.h
- // Copyright (c) 1994-1999, Microsoft Corp. All rights reserved.
- //
- // Windows Sockets include file for NETBIOS. This file contains all
- // standardized NETBIOS information. Include this header file after
- // winsock.h.
- //
- //
- // This is the structure of the SOCKADDR structure for NETBIOS.
- //
- const
- NETBIOS_NAME_LENGTH = 16;
- {$EXTERNALSYM NETBIOS_NAME_LENGTH}
- type
- SOCKADDR_NB = record
- snb_family: Smallint;
- snb_type: Word;
- snb_name: array [0..NETBIOS_NAME_LENGTH - 1] of Char;
- end;
- {$EXTERNALSYM SOCKADDR_NB}
- PSOCKADDR_NB = ^SOCKADDR_NB;
- {$EXTERNALSYM PSOCKADDR_NB}
- LPSOCKADDR_NB = ^SOCKADDR_NB;
- {$EXTERNALSYM LPSOCKADDR_NB}
- TSockAddrNB = SOCKADDR_NB;
- PSockAddrNB = LPSOCKADDR_NB;
- //
- // Bit values for the snb_type field of SOCKADDR_NB.
- //
- const
- NETBIOS_UNIQUE_NAME = $0000;
- {$EXTERNALSYM NETBIOS_UNIQUE_NAME}
- NETBIOS_GROUP_NAME = $0001;
- {$EXTERNALSYM NETBIOS_GROUP_NAME}
- NETBIOS_TYPE_QUICK_UNIQUE = $0002;
- {$EXTERNALSYM NETBIOS_TYPE_QUICK_UNIQUE}
- NETBIOS_TYPE_QUICK_GROUP = $0003;
- {$EXTERNALSYM NETBIOS_TYPE_QUICK_GROUP}
- //
- // A macro convenient for setting up NETBIOS SOCKADDRs.
- //
- procedure SET_NETBIOS_SOCKADDR(var SNB: TSockAddrNB; _Type: u_short; const Name: string; Port: Byte);
- {$EXTERNALSYM SET_NETBIOS_SOCKADDR}
- //
- // To open a NetBIOS socket, call the socket() function as follows:
- //
- // s = socket( AF_NETBIOS, {SOCK_SEQPACKET|SOCK_DGRAM}, -Lana );
- //
- // where Lana is the NetBIOS Lana number of interest. For example, to
- // open a socket for Lana 2, specify -2 as the "protocol" parameter
- // to the socket() function.
- //
- implementation
- procedure SET_NETBIOS_SOCKADDR(var SNB: TSockAddrNB; _Type: u_short; const Name: string; Port: Byte);
- var
- I: Integer;
- begin
- SNB.snb_family := AF_NETBIOS;
- SNB.snb_type := _Type;
- for I := 0 to NETBIOS_NAME_LENGTH - 1 do SNB.snb_name[I] := ' ';
- I := 0;
- while I < NETBIOS_NAME_LENGTH - 1 do
- begin
- if SNB.snb_name[I] = #0 then Break;
- SNB.snb_name[I] := SNB.snb_name[I + 1];
- Inc(I);
- end;
- SNB.snb_name[NETBIOS_NAME_LENGTH - 1] := Char(Port);
- end;
- end.