src/lib/enet/enetplatform.pp

   1 {$mode objfpc}{$H+}
   2 unit enetplatform;
   3
   4 {
   5   ENet - Reliable UDP networking library
   6
   7   FreePascal DLL header: enetplatform
   8   Copyright (c) 2015 Dmitry D. Chernov aka Black Doomer
   9
  10   Original files: win32.h & unix.h
  11   Copyright (c) 2002-2014 Lee Salzman
  12
  13   Version 1 for 1.3.12: 25.02.2015
  14
  15   Permission is hereby granted, free of charge, to any person obtaining a copy
  16   of this software and associated documentation files (the "Software"), to deal
  17   in the Software without restriction, including without limitation the rights
  18   to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  19   copies of the Software, and to permit persons to whom the Software is
  20   furnished to do so, subject to the following conditions:
  21
  22   The above copyright notice and this permission notice shall be included in all
  23   copies or substantial portions of the Software.
  24
  25   THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  26   IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  27   FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  28   AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  29   LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  30   OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  31   SOFTWARE.
  32 }
  33
  34 interface
  35
  36 uses enettypes, // used only for size_t
  37      {$IFDEF WINDOWS} WinSock2 {$ELSE} BaseUnix, Sockets {$ENDIF};
  38
  39 const
  40   ENET_SOCKET_NULL = {$IFDEF WINDOWS} INVALID_SOCKET; {$ELSE} -1; {$ENDIF}
  41 //  ENET_BUFFER_MAXIMUM = MSG_MAXIOVLEN; //is it forgotten in win32.h ?
  42
  43 type
  44   ENetSocket = {$IFDEF WINDOWS} TSocket {$ELSE} enet_int {$ENDIF};
  45
  46   ENetSocketSet = TFDSet;
  47   pENetSocketSet = ^ENetSocketSet;
  48
  49 {$PACKRECORDS C}
  50
  51   pENetBuffer = ^ENetBuffer;
  52   ENetBuffer = record
  53     {$IFDEF WINDOWS}
  54     dataLength : enet_size_t;
  55     data       : Pointer;
  56     {$ELSE}
  57     data       : Pointer;
  58     dataLength : enet_size_t;
  59     {$ENDIF}
  60   end;
  61
  62 {$PACKRECORDS DEFAULT}
  63
  64 //inline macros
  65 function ENET_HOST_TO_NET_16( const value: Word ): Word; inline;
  66 function ENET_HOST_TO_NET_32( const value: LongWord ): LongWord; inline;
  67
  68 function ENET_NET_TO_HOST_16( const value: Word ): Word; inline;
  69 function ENET_NET_TO_HOST_32( const value: LongWord ): LongWord; inline;
  70
  71 procedure ENET_SOCKETSET_EMPTY( var sockset: ENetSocketSet ); inline;
  72 procedure ENET_SOCKETSET_ADD( var sockset: ENetSocketSet; socket: ENetSocket ); inline;
  73 procedure ENET_SOCKETSET_REMOVE( var sockset: ENetSocketSet; socket: ENetSocket ); inline;
  74 function  ENET_SOCKETSET_CHECK( var sockset: ENetSocketSet; socket: ENetSocket ): Boolean; inline;
  75
  76 implementation
  77
  78 function ENET_HOST_TO_NET_16( const value: Word ): Word; inline;
  79    begin Result := htons(value);
  80      end;
  81 function ENET_HOST_TO_NET_32( const value: LongWord ): LongWord; inline;
  82    begin Result := htonl(value);
  83      end;
  84
  85 function ENET_NET_TO_HOST_16( const value: Word ): Word; inline;
  86    begin Result := ntohs(value);
  87      end;
  88 function ENET_NET_TO_HOST_32( const value: LongWord ): LongWord; inline;
  89    begin Result := ntohl(value);
  90      end;
  91
  92 procedure ENET_SOCKETSET_EMPTY( var sockset: ENetSocketSet ); inline;
  93     begin {$IFNDEF WINDOWS}fpFD_ZERO{$ELSE}FD_ZERO{$ENDIF}( sockset );
  94       end;
  95 procedure ENET_SOCKETSET_ADD( var sockset: ENetSocketSet; socket: ENetSocket ); inline;
  96     begin {$IFNDEF WINDOWS}fpFD_SET{$ELSE}FD_SET{$ENDIF}( socket, sockset );
  97       end;
  98 procedure ENET_SOCKETSET_REMOVE( var sockset: ENetSocketSet; socket: ENetSocket ); inline;
  99     begin {$IFNDEF WINDOWS}fpFD_CLR{$ELSE}FD_CLR{$ENDIF}( socket, sockset );
 100       end;
 101
 102 function ENET_SOCKETSET_CHECK( var sockset: ENetSocketSet; socket: ENetSocket ): Boolean; inline;
 103    begin Result := {$IFNDEF WINDOWS} fpFD_ISSET( socket, sockset ) <> 0
 104                                {$ELSE}   FD_ISSET( socket, sockset ) {$ENDIF};
 105      end;
 106
 107 end.