/* DPLAYX.DLL name server implementation
*
- * Copyright 2000 - Peter Hunnisett
+ * Copyright 2000-2001 - Peter Hunnisett
*
- * <presently under construction - contact hunnise@nortelnetworks.com>
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
*
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
-
+
/* NOTE: Methods with the NS_ prefix are name server methods */
+#include <stdarg.h>
+#include <string.h>
+
+#define NONAMELESSUNION
+#define NONAMELESSSTRUCT
+#include "windef.h"
#include "winbase.h"
-#include "debugtools.h"
-#include "heap.h"
+#include "winnls.h"
+#include "wine/unicode.h"
+#include "wine/debug.h"
+#include "mmsystem.h"
#include "dplayx_global.h"
#include "name_server.h"
-#include "dplaysp.h"
+#include "wine/dplaysp.h"
#include "dplayx_messages.h"
#include "dplayx_queue.h"
-/* Can't seem to solve unresolved reference even with import */
-#define HACK_TIMEGETTIME
-
-#if defined( HACK_TIMEGETTIME )
-static DWORD timeGetTime(void);
-#else
-#include "mmsystem.h"
-#endif
-
/* FIXME: Need to create a crit section, store and use it */
-DEFAULT_DEBUG_CHANNEL(dplay);
+WINE_DEFAULT_DEBUG_CHANNEL(dplay);
/* NS specific structures */
struct NSCacheData
lpNSCacheData present; /* keep track of what is to be looked at when walking */
DPQ_HEAD(NSCacheData) first;
-};
+
+ BOOL bNsIsLocal;
+ LPVOID lpLocalAddrHdr; /* FIXME: Not yet used */
+ LPVOID lpRemoteAddrHdr; /* FIXME: Not yet used */
+};
typedef struct NSCache NSCache, *lpNSCache;
-/* Name Server functions
- * ---------------------
+/* Function prototypes */
+static DPQ_DECL_DELETECB( cbDeleteNSNodeFromHeap, lpNSCacheData );
+
+/* Name Server functions
+ * ---------------------
*/
-void NS_SetLocalComputerAsNameServer( LPCDPSESSIONDESC2 lpsd )
+void NS_SetLocalComputerAsNameServer( LPCDPSESSIONDESC2 lpsd, LPVOID lpNSInfo )
{
#if 0
+ /* FIXME: Remove this method? */
DPLAYX_SetLocalSession( lpsd );
#endif
+ lpNSCache lpCache = (lpNSCache)lpNSInfo;
+
+ lpCache->bNsIsLocal = TRUE;
+}
+
+void NS_SetRemoteComputerAsNameServer( LPCDPSESSIONDESC2 lpsd, LPVOID lpNSInfo )
+{
+ lpNSCache lpCache = (lpNSCache)lpNSInfo;
+
+ lpCache->bNsIsLocal = FALSE;
+}
+
+static DPQ_DECL_COMPARECB( cbUglyPig, GUID )
+{
+ return IsEqualGUID( elem1, elem2 );
}
/* Store the given NS remote address for future reference */
-void NS_SetRemoteComputerAsNameServer( LPVOID lpNSAddrHdr,
- DWORD dwHdrSize,
- LPDPMSG_ENUMSESSIONSREPLY lpMsg,
- LPVOID lpNSInfo )
+void NS_AddRemoteComputerAsNameServer( LPCVOID lpcNSAddrHdr,
+ DWORD dwHdrSize,
+ LPCDPMSG_ENUMSESSIONSREPLY lpcMsg,
+ LPVOID lpNSInfo )
{
+ DWORD len;
lpNSCache lpCache = (lpNSCache)lpNSInfo;
lpNSCacheData lpCacheNode;
- TRACE( "%p, %p, %p\n", lpNSAddrHdr, lpMsg, lpNSInfo );
+ TRACE( "%p, %p, %p\n", lpcNSAddrHdr, lpcMsg, lpNSInfo );
- /* FIXME: Should check to see if the reply is for an existing session. If
- * so we just update the contents and update the timestamp.
- */
- lpCacheNode = (lpNSCacheData)HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
- sizeof( *lpCacheNode ) );
+ /* See if we can find this session. If we can, remove it as it's a dup */
+ DPQ_REMOVE_ENTRY_CB( lpCache->first, next, data->guidInstance, cbUglyPig,
+ lpcMsg->sd.guidInstance, lpCacheNode );
+
+ if( lpCacheNode != NULL )
+ {
+ TRACE( "Duplicate session entry for %s removed - updated version kept\n",
+ debugstr_guid( &lpCacheNode->data->guidInstance ) );
+ cbDeleteNSNodeFromHeap( lpCacheNode );
+ }
+
+ /* Add this to the list */
+ lpCacheNode = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *lpCacheNode ) );
if( lpCacheNode == NULL )
{
lpCacheNode->lpNSAddrHdr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
dwHdrSize );
- CopyMemory( lpCacheNode->lpNSAddrHdr, lpNSAddrHdr, dwHdrSize );
-
+ CopyMemory( lpCacheNode->lpNSAddrHdr, lpcNSAddrHdr, dwHdrSize );
- lpCacheNode->data = (LPDPSESSIONDESC2)HeapAlloc( GetProcessHeap(),
- HEAP_ZERO_MEMORY,
- sizeof( *lpCacheNode->data ) );
+ lpCacheNode->data = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *(lpCacheNode->data) ) );
if( lpCacheNode->data == NULL )
{
ERR( "no memory for SESSIONDESC2\n" );
+ HeapFree( GetProcessHeap(), 0, lpCacheNode );
return;
}
- CopyMemory( lpCacheNode->data, &lpMsg->sd, sizeof( *lpCacheNode->data ) );
- lpCacheNode->data->sess.lpszSessionNameA = HEAP_strdupWtoA( GetProcessHeap(),
- HEAP_ZERO_MEMORY,
- (LPWSTR)(lpMsg+1) );
+ *lpCacheNode->data = lpcMsg->sd;
+ len = WideCharToMultiByte( CP_ACP, 0, (LPCWSTR)(lpcMsg+1), -1, NULL, 0, NULL, NULL );
+ if ((lpCacheNode->data->u1.lpszSessionNameA = HeapAlloc( GetProcessHeap(), 0, len )))
+ {
+ WideCharToMultiByte( CP_ACP, 0, (LPCWSTR)(lpcMsg+1), -1,
+ lpCacheNode->data->u1.lpszSessionNameA, len, NULL, NULL );
+ }
lpCacheNode->dwTime = timeGetTime();
lpCache->present = lpCacheNode;
- /* Use this message as an oportunity to weed out any old sessions so
- * that we don't enum them again
+ /* Use this message as an opportunity to weed out any old sessions so
+ * that we don't enum them again
*/
NS_PruneSessionCache( lpNSInfo );
}
/* Ok. Cheat and don't search for the correct stuff just take the first.
* FIXME: In the future how are we to know what is _THE_ enum we used?
+ * This is going to have to go into dplay somehow. Perhaps it
+ * comes back with app server id for the join command! Oh... that
+ * must be it. That would make this method obsolete once that's
+ * in place.
*/
-
+#if 1
return lpCache->first.lpQHFirst->lpNSAddrHdr;
+#else
+ /* FIXME: Should convert over to this */
+ return lpCache->bNsIsLocal ? lpCache->lpLocalAddrHdr
+ : lpCache->lpRemoteAddrHdr;
+#endif
+}
+
+/* Get the magic number associated with the Name Server */
+DWORD NS_GetNsMagic( LPVOID lpNSInfo )
+{
+ LPDWORD lpHdrInfo = (LPDWORD)NS_GetNSAddr( lpNSInfo );
+
+ return lpHdrInfo[1];
+}
+
+/* Get the magic number associated with the non NS end */
+DWORD NS_GetOtherMagic( LPVOID lpNSInfo )
+{
+ lpNSCache lpCache = (lpNSCache)lpNSInfo;
+
+ return ((LPDWORD)lpCache->lpLocalAddrHdr)[1];
+}
+
+void NS_SetLocalAddr( LPVOID lpNSInfo, LPCVOID lpHdr, DWORD dwHdrSize )
+{
+ lpNSCache lpCache = (lpNSCache)lpNSInfo;
+
+ lpCache->lpLocalAddrHdr = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, dwHdrSize );
+
+ CopyMemory( lpCache->lpLocalAddrHdr, lpHdr, dwHdrSize );
}
/* This function is responsible for sending a request for all other known
*/
HRESULT NS_SendSessionRequestBroadcast( LPCGUID lpcGuid,
DWORD dwFlags,
- LPSPINITDATA lpSpData )
-
+ const SPINITDATA *lpSpData )
+
{
DPSP_ENUMSESSIONSDATA data;
LPDPMSG_ENUMSESSIONSREQUEST lpMsg;
FIXME( ": not all data fields are correct\n" );
data.dwMessageSize = lpSpData->dwSPHeaderSize + sizeof( *lpMsg ); /*FIXME!*/
- data.lpMessage = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
+ data.lpMessage = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
data.dwMessageSize );
data.lpISP = lpSpData->lpISP;
data.bReturnStatus = (dwFlags & DPENUMSESSIONS_RETURNSTATUS) ? TRUE : FALSE;
- lpMsg = (LPDPMSG_ENUMSESSIONSREQUEST)(((BYTE*)data.lpMessage)+lpSpData->dwSPHeaderSize);
+ lpMsg = (LPDPMSG_ENUMSESSIONSREQUEST)(((BYTE*)data.lpMessage)+lpSpData->dwSPHeaderSize);
- /* Setup EnumSession reqest message */
+ /* Setup EnumSession request message */
lpMsg->envelope.dwMagic = DPMSGMAGIC_DPLAYMSG;
lpMsg->envelope.wCommandId = DPMSGCMD_ENUMSESSIONSREQUEST;
lpMsg->envelope.wVersion = DPMSGVER_DP6;
lpMsg->dwPasswordSize = 0; /* FIXME: If enumerating passwords..? */
lpMsg->dwFlags = dwFlags;
- CopyMemory( &lpMsg->guidApplication, lpcGuid, sizeof( *lpcGuid ) );
+ lpMsg->guidApplication = *lpcGuid;
- return (lpSpData->lpCB->EnumSessions)( &data );
+ return (lpSpData->lpCB->EnumSessions)( &data );
}
-DPQ_DECL_DELETECB( cbDeleteNSNodeFromHeap, lpNSCacheData );
-DPQ_DECL_DELETECB( cbDeleteNSNodeFromHeap, lpNSCacheData )
+/* Delete a name server node which has been allocated on the heap */
+static DPQ_DECL_DELETECB( cbDeleteNSNodeFromHeap, lpNSCacheData )
{
+ /* NOTE: This proc doesn't deal with the walking pointer */
+
/* FIXME: Memory leak on data (contained ptrs) */
HeapFree( GetProcessHeap(), 0, elem->data );
HeapFree( GetProcessHeap(), 0, elem->lpNSAddrHdr );
HeapFree( GetProcessHeap(), 0, elem );
}
-
-
/* Render all data in a session cache invalid */
void NS_InvalidateSessionCache( LPVOID lpNSInfo )
{
if( lpCache == NULL )
{
- ERR( ": invalidate non existant cache\n" );
+ ERR( ": invalidate nonexistent cache\n" );
return;
}
/* NULL out the walking pointer */
lpCache->present = NULL;
+
+ lpCache->bNsIsLocal = FALSE;
+
}
/* Create and initialize a session cache */
BOOL NS_InitializeSessionCache( LPVOID* lplpNSInfo )
{
- lpNSCache lpCache = (lpNSCache)HeapAlloc( GetProcessHeap(),
- HEAP_ZERO_MEMORY,
- sizeof( *lpCache ) );
+ lpNSCache lpCache = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof( *lpCache ) );
*lplpNSInfo = lpCache;
DPQ_INIT(lpCache->first);
lpCache->present = NULL;
+ lpCache->bNsIsLocal = FALSE;
+
return TRUE;
}
/* Reinitialize the present pointer for this cache */
void NS_ResetSessionEnumeration( LPVOID lpNSInfo )
{
-
((lpNSCache)lpNSInfo)->present = ((lpNSCache)lpNSInfo)->first.lpQHFirst;
}
/* FIXME: The pointers could disappear when walking if a prune happens */
- /* Test for end of the list */
+ /* Test for end of the list */
if( lpCache->present == NULL )
{
return NULL;
/* This method should check to see if there are any sessions which are
* older than the criteria. If so, just delete that information.
*/
+/* FIXME: This needs to be called by some periodic timer */
void NS_PruneSessionCache( LPVOID lpNSInfo )
{
lpNSCache lpCache = lpNSInfo;
- lpNSCacheData lpCacheEntry;
- DWORD dwPresentTime = timeGetTime();
-#if defined( HACK_TIMEGETTIME )
- DWORD dwPruneTime = dwPresentTime - 2; /* One iteration with safety */
-#else
- DWORD dwPruneTime = dwPresentTime - 10000 /* 10 secs? */;
-#endif
+ const DWORD dwPresentTime = timeGetTime();
+ const DWORD dwPrunePeriod = DPMSG_WAIT_60_SECS; /* is 60 secs enough? */
- FIXME( ": semi stub\n" );
-
- /* FIXME: This doesn't handle time roll over correctly */
- /* FIXME: Session memory leak on delete */
- do
+ /* This silly little algorithm is based on the fact we keep entries in
+ * the queue in a time based order. It also assumes that it is not possible
+ * to wrap around over yourself (which is not unreasonable).
+ * The if statements verify if the first entry in the queue is less
+ * than dwPrunePeriod old depending on the "clock" roll over.
+ */
+ for( ;; )
{
- DPQ_FIND_ENTRY( lpCache->first, next, dwTime, <=, dwPruneTime, lpCacheEntry );
+ lpNSCacheData lpFirstData;
+
+ if( DPQ_IS_EMPTY(lpCache->first) )
+ {
+ /* Nothing to prune */
+ break;
+ }
+
+ /* Deal with time in a wrap around safe manner - unsigned arithmetic.
+ * Check the difference in time */
+ if( (dwPresentTime - (DPQ_FIRST(lpCache->first)->dwTime)) < dwPrunePeriod )
+ {
+ /* First entry has not expired yet; don't prune */
+ break;
+ }
+
+ lpFirstData = DPQ_FIRST(lpCache->first);
+ DPQ_REMOVE( lpCache->first, DPQ_FIRST(lpCache->first), next );
+ cbDeleteNSNodeFromHeap( lpFirstData );
}
- while( lpCacheEntry != NULL );
}
-
-
-/* Message stuff */
-void NS_ReplyToEnumSessionsRequest( LPVOID lpMsg,
- LPDPSP_REPLYDATA lpReplyData,
+/* NAME SERVER Message stuff */
+void NS_ReplyToEnumSessionsRequest( LPCVOID lpcMsg,
+ LPVOID* lplpReplyData,
+ LPDWORD lpdwReplySize,
IDirectPlay2Impl* lpDP )
{
LPDPMSG_ENUMSESSIONSREPLY rmsg;
DWORD dwVariableSize;
DWORD dwVariableLen;
- LPWSTR string;
- /* LPDPMSG_ENUMSESSIONSREQUEST msg = (LPDPMSG_ENUMSESSIONSREQUEST)lpMsg; */
+ /* LPCDPMSG_ENUMSESSIONSREQUEST msg = (LPDPMSG_ENUMSESSIONSREQUEST)lpcMsg; */
BOOL bAnsi = TRUE; /* FIXME: This needs to be in the DPLAY interface */
FIXME( ": few fixed + need to check request for response\n" );
- dwVariableLen = bAnsi ? lstrlenA( lpDP->dp2->lpSessionDesc->sess.lpszSessionNameA ) + 1
- : lstrlenW( lpDP->dp2->lpSessionDesc->sess.lpszSessionName ) + 1;
+ if (bAnsi)
+ {
+ dwVariableLen = MultiByteToWideChar( CP_ACP, 0,
+ lpDP->dp2->lpSessionDesc->u1.lpszSessionNameA,
+ -1, NULL, 0 );
+ }
+ else
+ {
+ dwVariableLen = strlenW( lpDP->dp2->lpSessionDesc->u1.lpszSessionName ) + 1;
+ }
dwVariableSize = dwVariableLen * sizeof( WCHAR );
- lpReplyData->dwMessageSize = lpDP->dp2->spData.dwSPHeaderSize +
- sizeof( *rmsg ) + dwVariableSize;
- lpReplyData->lpMessage = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
- lpReplyData->dwMessageSize );
+ *lpdwReplySize = lpDP->dp2->spData.dwSPHeaderSize +
+ sizeof( *rmsg ) + dwVariableSize;
+ *lplpReplyData = HeapAlloc( GetProcessHeap(), HEAP_ZERO_MEMORY,
+ *lpdwReplySize );
- rmsg = (LPDPMSG_ENUMSESSIONSREPLY)lpReplyData->lpMessage;
+ rmsg = (LPDPMSG_ENUMSESSIONSREPLY)( (BYTE*)*lplpReplyData +
+ lpDP->dp2->spData.dwSPHeaderSize);
- rmsg->envelope.dwMagic = DPMSGMAGIC_DPLAYMSG;
+ rmsg->envelope.dwMagic = DPMSGMAGIC_DPLAYMSG;
rmsg->envelope.wCommandId = DPMSGCMD_ENUMSESSIONSREPLY;
rmsg->envelope.wVersion = DPMSGVER_DP6;
- CopyMemory( &rmsg->sd, lpDP->dp2->lpSessionDesc,
- sizeof( lpDP->dp2->lpSessionDesc->dwSize ) );
+ CopyMemory( &rmsg->sd, lpDP->dp2->lpSessionDesc,
+ lpDP->dp2->lpSessionDesc->dwSize );
rmsg->dwUnknown = 0x0000005c;
if( bAnsi )
{
- string = HEAP_strdupAtoW( GetProcessHeap(), 0,
- lpDP->dp2->lpSessionDesc->sess.lpszSessionNameA );
- /* FIXME: Memory leak */
+ MultiByteToWideChar( CP_ACP, 0, lpDP->dp2->lpSessionDesc->u1.lpszSessionNameA, -1,
+ (LPWSTR)(rmsg+1), dwVariableLen );
}
else
{
- string = lpDP->dp2->lpSessionDesc->sess.lpszSessionName;
+ strcpyW( (LPWSTR)(rmsg+1), lpDP->dp2->lpSessionDesc->u1.lpszSessionName );
}
-
- lstrcpyW( (LPWSTR)rmsg+1, string );
-
}
-
-#if defined( HACK_TIMEGETTIME )
-DWORD timeGetTime(void)
-{
- static DWORD time = 0;
-
- return time++;
-}
-#endif
projects / wine / blobdiff