dlls/dplayx/dplayx_messages.h

   1 /*
   2  * Copyright 2000 Peter Hunnisett
   3  *
   4  * This library is free software; you can redistribute it and/or
   5  * modify it under the terms of the GNU Lesser General Public
   6  * License as published by the Free Software Foundation; either
   7  * version 2.1 of the License, or (at your option) any later version.
   8  *
   9  * This library is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  12  * Lesser General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Lesser General Public
  15  * License along with this library; if not, write to the Free Software
  16  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  17  */
  18
  19 #ifndef __WINE_DPLAYX_MESSAGES__
  20 #define __WINE_DPLAYX_MESSAGES__
  21
  22 #include <stdarg.h>
  23
  24 #include "windef.h"
  25 #include "winbase.h"
  26 #include "dplay.h"
  27 #include "rpc.h" /* For GUID */
  28
  29 #include "dplay_global.h"
  30
  31 DWORD CreateLobbyMessageReceptionThread( HANDLE hNotifyEvent, HANDLE hStart,
  32                                          HANDLE hDeath, HANDLE hConnRead ) DECLSPEC_HIDDEN;
  33
  34 HRESULT DP_MSG_SendRequestPlayerId( IDirectPlay2AImpl* This, DWORD dwFlags,
  35                                     LPDPID lpdipidAllocatedId ) DECLSPEC_HIDDEN;
  36 HRESULT DP_MSG_ForwardPlayerCreation( IDirectPlay2AImpl* This, DPID dpidServer ) DECLSPEC_HIDDEN;
  37
  38 void DP_MSG_ReplyReceived( IDirectPlay2AImpl* This, WORD wCommandId,
  39                            LPCVOID lpMsgBody, DWORD dwMsgBodySize ) DECLSPEC_HIDDEN;
  40 void DP_MSG_ErrorReceived( IDirectPlay2AImpl* This, WORD wCommandId,
  41                            LPCVOID lpMsgBody, DWORD dwMsgBodySize ) DECLSPEC_HIDDEN;
  42 void DP_MSG_ToSelf( IDirectPlay2AImpl* This, DPID dpidSelf ) DECLSPEC_HIDDEN;
  43
  44 /* Timings -> 1000 ticks/sec */
  45 #define DPMSG_WAIT_5_SECS   5000
  46 #define DPMSG_WAIT_30_SECS 30000
  47 #define DPMSG_WAIT_60_SECS 60000
  48 #define DPMSG_DEFAULT_WAIT_TIME DPMSG_WAIT_30_SECS
  49
  50 /* Message types etc. */
  51 #include "pshpack1.h"
  52
  53 /* Non provided messages for DPLAY - guess work which may be wrong :( */
  54 #define DPMSGCMD_ENUMSESSIONSREPLY    1
  55 #define DPMSGCMD_ENUMSESSIONSREQUEST  2
  56 #define DPMSGCMD_GETNAMETABLEREPLY    3  /* Contains all existing players in session */
  57
  58 #define DPMSGCMD_REQUESTNEWPLAYERID   5
  59
  60 #define DPMSGCMD_NEWPLAYERIDREPLY     7
  61 #define DPMSGCMD_CREATESESSION        8 /* Might be a create nameserver or new player msg */
  62 #define DPMSGCMD_CREATENEWPLAYER      9
  63 #define DPMSGCMD_SYSTEMMESSAGE        10
  64 #define DPMSGCMD_DELETEPLAYER         11
  65 #define DPMSGCMD_DELETEGROUP          12
  66
  67 #define DPMSGCMD_ENUMGROUPS           17
  68
  69 #define DPMSGCMD_FORWARDADDPLAYER     19
  70
  71 #define DPMSGCMD_PLAYERCHAT           22
  72
  73 #define DPMSGCMD_FORWARDADDPLAYERNACK 36
  74
  75 #define DPMSGCMD_JUSTENVELOPE         1000
  76 #define DPMSGCMD_JUSTENVELOPEREPLY    1001
  77
  78 /* This is what DP 6 defines it as. Don't know what it means. All messages
  79  * defined below are DPMSGVER_DP6.
  80  */
  81 #define DPMSGVER_DP6 11
  82
  83 /* MAGIC number at the start of all dplay packets ("play" in ASCII) */
  84 #define DPMSGMAGIC_DPLAYMSG  0x79616c70
  85
  86 /* All messages sent from the system are sent with this at the beginning of
  87  * the message.
  88  * Size is 8 bytes
  89  */
  90 typedef struct tagDPMSG_SENDENVELOPE
  91 {
  92   DWORD dwMagic;
  93   WORD  wCommandId;
  94   WORD  wVersion;
  95 } DPMSG_SENDENVELOPE, *LPDPMSG_SENDENVELOPE;
  96 typedef const DPMSG_SENDENVELOPE* LPCDPMSG_SENDENVELOPE;
  97
  98 /* System messages exchanged between players seems to have this
  99  * payload envelope on top of the basic envelope
 100  */
 101 typedef struct tagDPMSG_SYSMSGENVELOPE
 102 {
 103   DWORD dwPlayerFrom;
 104   DWORD dwPlayerTo;
 105 } DPMSG_SYSMSGENVELOPE, *LPDPMSG_SYSMSGENVELOPE;
 106 typedef const DPMSG_SYSMSGENVELOPE* LPCDPMSG_SYSMSGENVELOPE;
 107
 108 /* Reply sent in response to an enumsession request */
 109 typedef struct tagDPMSG_ENUMSESSIONSREPLY
 110 {
 111   DPMSG_SENDENVELOPE envelope;
 112
 113 #if 0
 114   DWORD dwSize;  /* Size of DPSESSIONDESC2 struct */
 115   DWORD dwFlags; /* Sessions flags */
 116
 117   GUID guidInstance; /* Not 100% sure this is what it is... */
 118
 119   GUID guidApplication;
 120
 121   DWORD dwMaxPlayers;
 122   DWORD dwCurrentPlayers;
 123
 124   BYTE unknown[36];
 125 #else
 126   DPSESSIONDESC2 sd;
 127 #endif
 128
 129   DWORD dwUnknown;  /* Seems to be equal to 0x5c which is a "\\" */
 130                     /* Encryption package string? */
 131
 132   /* At the end we have ... */
 133   /* WCHAR wszSessionName[1];  Var length with NULL terminal */
 134
 135 } DPMSG_ENUMSESSIONSREPLY, *LPDPMSG_ENUMSESSIONSREPLY;
 136 typedef const DPMSG_ENUMSESSIONSREPLY* LPCDPMSG_ENUMSESSIONSREPLY;
 137
 138 /* Msg sent to find out what sessions are available */
 139 typedef struct tagDPMSG_ENUMSESSIONSREQUEST
 140 {
 141   DPMSG_SENDENVELOPE envelope;
 142
 143   GUID  guidApplication;
 144
 145   DWORD dwPasswordSize; /* A Guess. This is 0x00000000. */
 146                         /* This might be the name server DPID which
 147                            is needed for the reply */
 148
 149   DWORD dwFlags; /* dwFlags from EnumSessions */
 150
 151 } DPMSG_ENUMSESSIONSREQUEST, *LPDPMSG_ENUMSESSIONSREQUEST;
 152 typedef const DPMSG_ENUMSESSIONSREQUEST* LPCDPMSG_ENUMSESSIONSREQUEST;
 153
 154 /* Size is 146 received - with 18 or 20 bytes header = ~128 bytes */
 155 typedef struct tagDPMSG_CREATESESSION
 156 {
 157   DPMSG_SENDENVELOPE envelope;
 158 } DPMSG_CREATESESSION, *LPDPMSG_CREATESESSION;
 159 typedef const DPMSG_CREATESESSION* LPCDPMSG_CREATESESSION;
 160
 161 /* 12 bytes msg */
 162 typedef struct tagDPMSG_REQUESTNEWPLAYERID
 163 {
 164   DPMSG_SENDENVELOPE envelope;
 165
 166   DWORD dwFlags;  /* dwFlags used for CreatePlayer */
 167
 168 } DPMSG_REQUESTNEWPLAYERID, *LPDPMSG_REQUESTNEWPLAYERID;
 169 typedef const DPMSG_REQUESTNEWPLAYERID* LPCDPMSG_REQUESTNEWPLAYERID;
 170
 171 /* 48 bytes msg */
 172 typedef struct tagDPMSG_NEWPLAYERIDREPLY
 173 {
 174   DPMSG_SENDENVELOPE envelope;
 175
 176   DPID dpidNewPlayerId;
 177
 178   /* Assume that this is data that is tacked on to the end of the message
 179    * that comes from the SP remote data stored that needs to be propagated.
 180    */
 181   BYTE unknown[36];     /* This appears to always be 0 - not sure though */
 182 } DPMSG_NEWPLAYERIDREPLY, *LPDPMSG_NEWPLAYERIDREPLY;
 183 typedef const DPMSG_NEWPLAYERIDREPLY* LPCDPMSG_NEWPLAYERIDREPLY;
 184
 185 typedef struct tagDPMSG_FORWARDADDPLAYER
 186 {
 187   DPMSG_SENDENVELOPE envelope;
 188
 189   DWORD unknown; /* 0 */
 190
 191   DPID  dpidAppServer; /* Remote application server id */
 192   DWORD unknown2[5]; /* 0x0, 0x1c, 0x6c, 0x50, 0x9 */
 193
 194   DPID  dpidAppServer2; /* Remote application server id again !? */
 195   DWORD unknown3[5]; /* 0x0, 0x0, 0x20, 0x0, 0x0 */
 196
 197   DPID  dpidAppServer3; /* Remote application server id again !? */
 198
 199   DWORD unknown4[12]; /* ??? - Is this a clump of 5 and then 8? */
 200                       /* NOTE: 1 byte in front of the two 0x??090002 entries changes!
 201                       *       Is it a timestamp of some sort? 1st always smaller than
 202                       *       other...
 203                       */
 204 #define FORWARDADDPLAYER_UNKNOWN4_INIT { 0x30, 0xb, 0x0, 0x1e090002, 0x0, 0x0, 0x0, 0x32090002, 0x0, 0x0, 0x0, 0x0 }
 205
 206   BYTE unknown5[2]; /* 2 bytes at the end. This may be a part of something! ( 0x0, 0x0) */
 207
 208 } DPMSG_FORWARDADDPLAYER, *LPDPMSG_FORWARDADDPLAYER;
 209 typedef const DPMSG_FORWARDADDPLAYER* LPCDPMSG_FORWARDADDPLAYER;
 210
 211 /* This is an error message that can be received. Not sure if this is
 212  * specifically for a forward add player or for all errors
 213  */
 214 typedef struct tagDPMSG_FORWARDADDPLAYERNACK
 215 {
 216   DPMSG_SENDENVELOPE envelope;
 217   HRESULT errorCode;
 218 } DPMSG_FORWARDADDPLAYERNACK, *LPDPMSG_FORWARDADDPLAYERNACK;
 219 typedef const DPMSG_FORWARDADDPLAYERNACK* LPCDPMSG_FORWARDADDPLAYERNACK;
 220
 221 #include "poppack.h"
 222
 223 #endif