[PATCH 3/4] msdasql: Implement IDBCreateSession CreateSession
Alistair Leslie-Hughes
leslie_alistair at hotmail.com
Tue Oct 26 03:25:27 CDT 2021
Signed-off-by: Alistair Leslie-Hughes <leslie_alistair at hotmail.com>
---
dlls/msdasql/Makefile.in | 3 +-
dlls/msdasql/msdasql_main.c | 12 +++-
dlls/msdasql/msdasql_private.h | 19 ++++++
dlls/msdasql/session.c | 114 +++++++++++++++++++++++++++++++++
4 files changed, 145 insertions(+), 3 deletions(-)
create mode 100644 dlls/msdasql/msdasql_private.h
create mode 100644 dlls/msdasql/session.c
diff --git a/dlls/msdasql/Makefile.in b/dlls/msdasql/Makefile.in
index 04d9cb29f2a..ee8fa672623 100644
--- a/dlls/msdasql/Makefile.in
+++ b/dlls/msdasql/Makefile.in
@@ -4,7 +4,8 @@ IMPORTS = uuid ole32 oleaut32
EXTRADLLFLAGS = -Wb,--prefer-native
C_SRCS = \
- msdasql_main.c
+ msdasql_main.c \
+ session.c
RC_SRCS = msdasql.rc
diff --git a/dlls/msdasql/msdasql_main.c b/dlls/msdasql/msdasql_main.c
index 9a3adba49ff..38cec9e88e1 100644
--- a/dlls/msdasql/msdasql_main.c
+++ b/dlls/msdasql/msdasql_main.c
@@ -30,6 +30,8 @@
#include "initguid.h"
#include "msdasql.h"
+#include "msdasql_private.h"
+
WINE_DEFAULT_DEBUG_CHANNEL(msdasql);
DEFINE_GUID(DBPROPSET_DBINIT, 0xc8b522bc, 0x5cf3, 0x11ce, 0xad, 0xe5, 0x00, 0xaa, 0x00, 0x44, 0x77, 0x3d);
@@ -437,10 +439,16 @@ static HRESULT WINAPI dbsess_CreateSession(IDBCreateSession *iface, IUnknown *ou
IUnknown **session)
{
struct msdasql *provider = impl_from_IDBCreateSession(iface);
+ HRESULT hr;
- FIXME("%p, outer %p, riid %s, session %p stub\n", provider, outer, debugstr_guid(riid), session);
+ TRACE("%p, outer %p, riid %s, session %p stub\n", provider, outer, debugstr_guid(riid), session);
- return E_FAIL;
+ if (outer)
+ FIXME("outer currently not supported.\n");
+
+ hr = create_db_session(riid, (void**)session);
+
+ return hr;
}
static const struct IDBCreateSessionVtbl dbsess_vtbl =
diff --git a/dlls/msdasql/msdasql_private.h b/dlls/msdasql/msdasql_private.h
new file mode 100644
index 00000000000..a3d73498fe9
--- /dev/null
+++ b/dlls/msdasql/msdasql_private.h
@@ -0,0 +1,19 @@
+/*
+ * Copyright 2020 Alistair Leslie-Hughes
+ *
+ * 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
+ */
+
+HRESULT create_db_session(REFIID riid, void **unk) DECLSPEC_HIDDEN;
diff --git a/dlls/msdasql/session.c b/dlls/msdasql/session.c
new file mode 100644
index 00000000000..57174be40f8
--- /dev/null
+++ b/dlls/msdasql/session.c
@@ -0,0 +1,114 @@
+/*
+ * Copyright 2020 Alistair Leslie-Hughes
+ *
+ * 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
+ */
+
+#define COBJMACROS
+
+#include <stdarg.h>
+
+#include "windef.h"
+#include "winbase.h"
+#include "objbase.h"
+#include "rpcproxy.h"
+#include "msdasc.h"
+#include "wine/heap.h"
+#include "wine/debug.h"
+
+#include "msdasql.h"
+
+#include "msdasql_private.h"
+
+WINE_DEFAULT_DEBUG_CHANNEL(msdasql);
+
+struct msdasql_session
+{
+ IUnknown session_iface;
+ LONG refs;
+};
+
+static inline struct msdasql_session *impl_from_IUnknown( IUnknown *iface )
+{
+ return CONTAINING_RECORD( iface, struct msdasql_session, session_iface );
+}
+
+static HRESULT WINAPI session_QueryInterface(IUnknown *iface, REFIID riid, void **ppv)
+{
+ struct msdasql_session *session = impl_from_IUnknown( iface );
+
+ TRACE( "%p, %s, %p\n", iface, debugstr_guid(riid), ppv );
+ *ppv = NULL;
+
+ if(IsEqualGUID(&IID_IUnknown, riid))
+ {
+ TRACE("(%p)->(IID_IUnknown %p)\n", iface, ppv);
+ *ppv = &session->session_iface;
+ }
+
+ if(*ppv)
+ {
+ IUnknown_AddRef((IUnknown*)*ppv);
+ return S_OK;
+ }
+
+ FIXME("(%p)->(%s %p)\n", iface, debugstr_guid(riid), ppv);
+ return E_NOINTERFACE;
+}
+
+static ULONG WINAPI session_AddRef(IUnknown *iface)
+{
+ struct msdasql_session *session = impl_from_IUnknown( iface );
+ LONG refs = InterlockedIncrement( &session->refs );
+ TRACE( "%p new refcount %d\n", session, refs );
+ return refs;
+}
+
+static ULONG WINAPI session_Release(IUnknown *iface)
+{
+ struct msdasql_session *session = impl_from_IUnknown( iface );
+ LONG refs = InterlockedDecrement( &session->refs );
+ TRACE( "%p new refcount %d\n", session, refs );
+ if (!refs)
+ {
+ TRACE( "destroying %p\n", session );
+ heap_free( session );
+ }
+ return refs;
+}
+
+static const IUnknownVtbl unkfactoryVtbl =
+{
+ session_QueryInterface,
+ session_AddRef,
+ session_Release,
+};
+
+HRESULT create_db_session(REFIID riid, void **unk)
+{
+ struct msdasql_session *session;
+ HRESULT hr;
+
+ session = heap_alloc(sizeof(*session));
+ if (!session)
+ return E_OUTOFMEMORY;
+
+ session->session_iface.lpVtbl = &unkfactoryVtbl;
+ session->refs = 1;
+
+ hr = IUnknown_QueryInterface(&session->session_iface, riid, unk);
+ IUnknown_Release(&session->session_iface);
+ return hr;
+}
--
2.33.0
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