dlls/msdaps/row_server.c

   1 /*
   2  *    Row and rowset servers / proxies.
   3  *
   4  * Copyright 2010 Huw Davies
   5  *
   6  * This library is free software; you can redistribute it and/or
   7  * modify it under the terms of the GNU Lesser General Public
   8  * License as published by the Free Software Foundation; either
   9  * version 2.1 of the License, or (at your option) any later version.
  10  *
  11  * This library is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this library; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
  19  */
  20 #include <stdarg.h>
  21 #include <string.h>
  22
  23 #define COBJMACROS
  24 #define NONAMELESSUNION
  25 #define NONAMELESSSTRUCT
  26
  27 #include "windef.h"
  28 #include "winbase.h"
  29 #include "wingdi.h"
  30 #include "winuser.h"
  31 #include "winerror.h"
  32 #include "objbase.h"
  33 #include "oleauto.h"
  34 #include "oledb.h"
  35
  36 #include "row_server.h"
  37
  38 #include "wine/debug.h"
  39
  40 WINE_DEFAULT_DEBUG_CHANNEL(oledb);
  41
  42 HRESULT create_row_server(IUnknown *outer, void **obj)
  43 {
  44     FIXME("(%p, %p): stub\n", outer, obj);
  45     *obj = NULL;
  46     return E_NOTIMPL;
  47 }
  48
  49 HRESULT create_rowset_server(IUnknown *outer, void **obj)
  50 {
  51     FIXME("(%p, %p): stub\n", outer, obj);
  52     *obj = NULL;
  53     return E_NOTIMPL;
  54 }
  55
  56 /* Marshal impl */
  57
  58 typedef struct
  59 {
  60     const IMarshalVtbl *marshal_vtbl;
  61
  62     LONG ref;
  63     CLSID unmarshal_class;
  64     IUnknown *outer;
  65 } marshal;
  66
  67 static inline marshal *impl_from_IMarshal(IMarshal *iface)
  68 {
  69     return (marshal *)((char*)iface - FIELD_OFFSET(marshal, marshal_vtbl));
  70 }
  71
  72 static HRESULT WINAPI marshal_QueryInterface(IMarshal *iface, REFIID iid, void **obj)
  73 {
  74     marshal *This = impl_from_IMarshal(iface);
  75     TRACE("(%p)->(%s, %p)\n", This, debugstr_guid(iid), obj);
  76
  77     if(IsEqualIID(iid, &IID_IUnknown) ||
  78        IsEqualIID(iid, &IID_IMarshal))
  79     {
  80         *obj = iface;
  81     }
  82     else
  83     {
  84         FIXME("interface %s not implemented\n", debugstr_guid(iid));
  85         *obj = NULL;
  86         return E_NOINTERFACE;
  87     }
  88
  89     IMarshal_AddRef(iface);
  90     return S_OK;
  91 }
  92
  93 static ULONG WINAPI marshal_AddRef(IMarshal *iface)
  94 {
  95     marshal *This = impl_from_IMarshal(iface);
  96     TRACE("(%p)\n", This);
  97     return InterlockedIncrement(&This->ref);
  98 }
  99
 100 static ULONG WINAPI marshal_Release(IMarshal *iface)
 101 {
 102     marshal *This = impl_from_IMarshal(iface);
 103     LONG ref;
 104
 105     TRACE("(%p)\n", This);
 106
 107     ref = InterlockedDecrement(&This->ref);
 108     if(ref == 0)
 109     {
 110         HeapFree(GetProcessHeap(), 0, This);
 111     }
 112
 113     return ref;
 114 }
 115
 116 static HRESULT WINAPI marshal_GetUnmarshalClass(IMarshal *iface, REFIID iid, void *obj,
 117                                                 DWORD dwDestContext, void *pvDestContext,
 118                                                 DWORD mshlflags, CLSID *clsid)
 119 {
 120     marshal *This = impl_from_IMarshal(iface);
 121     FIXME("(%p)->(%s, %p, %08x, %p, %08x, %p): stub\n", This, debugstr_guid(iid), obj, dwDestContext,
 122           pvDestContext, mshlflags, clsid);
 123
 124     return E_NOTIMPL;
 125 }
 126
 127 static HRESULT WINAPI marshal_GetMarshalSizeMax(IMarshal *iface, REFIID iid, void *obj,
 128                                                 DWORD dwDestContext, void *pvDestContext,
 129                                                 DWORD mshlflags, DWORD *size)
 130 {
 131     marshal *This = impl_from_IMarshal(iface);
 132     FIXME("(%p)->(%s, %p, %08x, %p, %08x, %p): stub\n", This, debugstr_guid(iid), obj, dwDestContext,
 133           pvDestContext, mshlflags, size);
 134
 135     return E_NOTIMPL;
 136 }
 137
 138 static HRESULT WINAPI marshal_MarshalInterface(IMarshal *iface, IStream *stream, REFIID iid,
 139                                                void *obj, DWORD dwDestContext, void *pvDestContext,
 140                                                DWORD mshlflags)
 141 {
 142     marshal *This = impl_from_IMarshal(iface);
 143     FIXME("(%p)->(%p, %s, %p, %08x, %p, %08x): stub\n", This, stream, debugstr_guid(iid), obj, dwDestContext,
 144           pvDestContext, mshlflags);
 145
 146     return E_NOTIMPL;
 147 }
 148
 149 static HRESULT WINAPI marshal_UnmarshalInterface(IMarshal *iface, IStream *stream,
 150                                                  REFIID iid, void **obj)
 151 {
 152     marshal *This = impl_from_IMarshal(iface);
 153     FIXME("(%p)->(%p, %s, %p): stub\n", This, stream, debugstr_guid(iid), obj);
 154     *obj = NULL;
 155
 156     return E_NOTIMPL;
 157 }
 158
 159 static HRESULT WINAPI marshal_ReleaseMarshalData(IMarshal *iface, IStream *stream)
 160 {
 161     marshal *This = impl_from_IMarshal(iface);
 162     FIXME("(%p)->(%p): stub\n", This, stream);
 163
 164     return E_NOTIMPL;
 165 }
 166
 167 static HRESULT WINAPI marshal_DisconnectObject(IMarshal *iface, DWORD dwReserved)
 168 {
 169     marshal *This = impl_from_IMarshal(iface);
 170     FIXME("(%p)->(%08x)\n", This, dwReserved);
 171
 172     return E_NOTIMPL;
 173 }
 174
 175 static const IMarshalVtbl marshal_vtbl =
 176 {
 177     marshal_QueryInterface,
 178     marshal_AddRef,
 179     marshal_Release,
 180     marshal_GetUnmarshalClass,
 181     marshal_GetMarshalSizeMax,
 182     marshal_MarshalInterface,
 183     marshal_UnmarshalInterface,
 184     marshal_ReleaseMarshalData,
 185     marshal_DisconnectObject
 186 };
 187
 188 static HRESULT create_marshal(IUnknown *outer, const CLSID *class, void **obj)
 189 {
 190     marshal *marshal;
 191
 192     TRACE("(%p, %p)\n", outer, obj);
 193     *obj = NULL;
 194
 195     marshal = HeapAlloc(GetProcessHeap(), 0, sizeof(*marshal));
 196     if(!marshal) return E_OUTOFMEMORY;
 197
 198     marshal->unmarshal_class = *class;
 199     marshal->outer = outer; /* don't ref outer unk */
 200     marshal->marshal_vtbl = &marshal_vtbl;
 201     marshal->ref = 1;
 202
 203     *obj = &marshal->marshal_vtbl;
 204     TRACE("returing %p\n", *obj);
 205     return S_OK;
 206 }
 207
 208 HRESULT create_row_marshal(IUnknown *outer, void **obj)
 209 {
 210     TRACE("(%p, %p)\n", outer, obj);
 211     return create_marshal(outer, &CLSID_wine_row_proxy, obj);
 212 }
 213
 214 HRESULT create_rowset_marshal(IUnknown *outer, void **obj)
 215 {
 216     TRACE("(%p, %p)\n", outer, obj);
 217     return create_marshal(outer, &CLSID_wine_rowset_proxy, obj);
 218 }