| 1 | /* $Id: dplay.cpp,v 1.2 1999-10-04 09:55:56 sandervl Exp $ */
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| 2 |
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| 3 | /* Direct Play 3 and Direct Play Lobby 2 Implementation
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| 4 | *
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| 5 | * Copyright (C) 1999 Patrick Haller <phaller@gmx.net>
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| 6 | *
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| 7 | */
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| 8 |
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| 9 | #include <odin.h>
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| 10 | #include <os2win.h>
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| 11 |
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| 12 | #define CINTERFACE
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| 13 |
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| 14 | #include "winerror.h"
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| 15 | #include "winnt.h"
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| 16 | #include "winreg.h"
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| 17 | #include "dplay.h"
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| 18 | #include "dplobby.h"
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| 19 | #include "heap.h"
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| 20 | #include "debugtools.h"
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| 21 |
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| 22 | #include <odinwrap.h>
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| 23 | #include <heapstring.h>
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| 24 | #include <misc.h>
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| 25 |
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| 26 | ODINDEBUGCHANNEL(DPLAY)
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| 27 |
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| 28 |
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| 29 | /***************************************************************************
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| 30 | * DirectPlayEnumerateA (DPLAYX.2)
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| 31 | *
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| 32 | * The pointer to the structure lpContext will be filled with the
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| 33 | * appropriate data for each service offered by the OS. These services are
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| 34 | * not necessarily available on this particular machine but are defined
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| 35 | * as simple service providers under the "Service Providers" registry key.
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| 36 | * This structure is then passed to lpEnumCallback for each of the different
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| 37 | * services.
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| 38 | *
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| 39 | * This API is useful only for applications written using DirectX3 or
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| 40 | * worse. It is superceeded by IDirectPlay3::EnumConnections which also
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| 41 | * gives information on the actual connections.
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| 42 | *
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| 43 | * defn of a service provider:
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| 44 | * A dynamic-link library used by DirectPlay to communicate over a network.
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| 45 | * The service provider contains all the network-specific code required
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| 46 | * to send and receive messages. Online services and network operators can
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| 47 | * supply service providers to use specialized hardware, protocols, communications
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| 48 | * media, and network resources.
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| 49 | *
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| 50 | * TODO: Allocate string buffer space from the heap (length from reg)
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| 51 | * Pass real device driver numbers...
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| 52 | * Get the GUID properly...
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| 53 | */
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| 54 | HRESULT WINAPI DirectPlayEnumerateA( LPDPENUMDPCALLBACKA lpEnumCallback,
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| 55 | LPVOID lpContext )
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| 56 | {
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| 57 |
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| 58 | HKEY hkResult;
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| 59 | LPCSTR searchSubKey = "SOFTWARE\\Microsoft\\DirectPlay\\Service Providers";
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| 60 | LPCSTR guidDataSubKey = "Guid";
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| 61 | LPCSTR majVerDataSubKey= "dwReserved1";
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| 62 | DWORD dwIndex, sizeOfSubKeyName=50;
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| 63 | char subKeyName[51];
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| 64 |
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| 65 | TRACE(": lpEnumCallback=%p lpContext=%p\n", lpEnumCallback, lpContext );
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| 66 |
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| 67 | if( !lpEnumCallback )
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| 68 | {
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| 69 | return DPERR_INVALIDPARAMS;
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| 70 | }
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| 71 |
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| 72 | /* Need to loop over the service providers in the registry */
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| 73 | if( RegOpenKeyExA( HKEY_LOCAL_MACHINE, searchSubKey,
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| 74 | 0, KEY_ENUMERATE_SUB_KEYS, &hkResult ) != ERROR_SUCCESS )
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| 75 | {
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| 76 | /* Hmmm. Does this mean that there are no service providers? */
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| 77 | ERR(": no service providers?\n");
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| 78 | return DP_OK;
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| 79 | }
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| 80 |
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| 81 | /* Traverse all the service providers we have available */
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| 82 | for( dwIndex=0;
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| 83 | RegEnumKeyA( hkResult, dwIndex, subKeyName, sizeOfSubKeyName ) !=
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| 84 | ERROR_NO_MORE_ITEMS;
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| 85 | ++dwIndex )
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| 86 | {
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| 87 | HKEY hkServiceProvider;
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| 88 | GUID serviceProviderGUID;
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| 89 | DWORD returnTypeGUID, returnTypeReserved1, sizeOfReturnBuffer=50;
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| 90 | char returnBuffer[51];
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| 91 | DWORD majVersionNum /*, minVersionNum */;
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| 92 | LPWSTR lpWGUIDString;
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| 93 |
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| 94 | TRACE(" this time through: %s\n", subKeyName );
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| 95 |
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| 96 | /* Get a handle for this particular service provider */
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| 97 | if( RegOpenKeyExA( hkResult, subKeyName, 0, KEY_QUERY_VALUE,
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| 98 | &hkServiceProvider ) != ERROR_SUCCESS )
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| 99 | {
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| 100 | ERR(": what the heck is going on?\n" );
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| 101 | continue;
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| 102 | }
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| 103 |
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| 104 | /* Get the GUID, Device major number and device minor number
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| 105 | * from the registry.
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| 106 | */
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| 107 | if( RegQueryValueExA( hkServiceProvider, guidDataSubKey,
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| 108 | NULL, &returnTypeGUID, (LPBYTE)returnBuffer,
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| 109 | &sizeOfReturnBuffer ) != ERROR_SUCCESS )
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| 110 | {
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| 111 | ERR(": missing GUID registry data members\n" );
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| 112 | continue;
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| 113 | }
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| 114 |
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| 115 | /* FIXME: Check return types to ensure we're interpreting data right */
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| 116 | lpWGUIDString = HEAP_strdupAtoW( GetProcessHeap(), 0, returnBuffer );
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| 117 | CLSIDFromString( (LPCOLESTR)lpWGUIDString, &serviceProviderGUID );
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| 118 | HeapFree( GetProcessHeap(), 0, lpWGUIDString );
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| 119 |
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| 120 | sizeOfReturnBuffer = 50;
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| 121 |
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| 122 | if( RegQueryValueExA( hkServiceProvider, majVerDataSubKey,
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| 123 | NULL, &returnTypeReserved1, (LPBYTE)returnBuffer,
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| 124 | &sizeOfReturnBuffer ) != ERROR_SUCCESS )
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| 125 | {
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| 126 | ERR(": missing dwReserved1 registry data members\n") ;
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| 127 | continue;
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| 128 | }
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| 129 | /* FIXME: This couldn't possibly be right...*/
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| 130 | majVersionNum = GET_DWORD( returnBuffer );
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| 131 |
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| 132 | /* The enumeration will return FALSE if we are not to continue */
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| 133 | if( !lpEnumCallback( &serviceProviderGUID , subKeyName,
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| 134 | majVersionNum, (DWORD)0, lpContext ) )
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| 135 | {
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| 136 | WARN("lpEnumCallback returning FALSE\n" );
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| 137 | break;
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| 138 | }
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| 139 | }
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| 140 |
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| 141 | return DP_OK;
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| 142 |
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| 143 | }
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| 144 |
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| 145 | /***************************************************************************
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| 146 | * DirectPlayEnumerateW (DPLAYX.3)
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| 147 | *
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| 148 | */
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| 149 | HRESULT WINAPI DirectPlayEnumerateW( LPDPENUMDPCALLBACKW lpEnumCallback, LPVOID lpContext )
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| 150 | {
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| 151 |
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| 152 | FIXME(":stub\n");
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| 153 |
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| 154 | return DPERR_OUTOFMEMORY;
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| 155 |
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| 156 | }
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| 157 |
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| 158 | /***************************************************************************
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| 159 | * DirectPlayCreate (DPLAYX.1) (DPLAY.1)
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| 160 | *
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| 161 | */
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| 162 | HRESULT WINAPI DirectPlayCreate
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| 163 | ( LPGUID lpGUID, LPDIRECTPLAY2 *lplpDP, IUnknown *pUnk)
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| 164 | {
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| 165 | //@@@PH stub
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| 166 | FIXME("lpGUID=%p lplpDP=%p pUnk=%p\n", lpGUID,lplpDP,pUnk);
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| 167 |
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| 168 | if( pUnk != NULL )
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| 169 | {
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| 170 | /* Hmmm...wonder what this means! */
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| 171 | ERR("What does a NULL here mean?\n" );
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| 172 | return DPERR_OUTOFMEMORY;
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| 173 | }
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| 174 |
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| 175 |
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| 176 | /* Unknown interface type */
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| 177 | return DPERR_NOINTERFACE;
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| 178 |
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| 179 | }
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| 180 |
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