source4/lib/com/classes/simple.c

   1 /*
   2    Unix SMB/CIFS implementation.
   3    Simple class
   4    Copyright (C) 2004-2005 Jelmer Vernooij <jelmer@samba.org>
   5
   6    This program is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2 of the License, or
   9    (at your option) any later version.
  10
  11    This program 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
  14    GNU General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with this program; if not, write to the Free Software
  18    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  19 */
  20
  21 #include "includes.h"
  22 #include "lib/com/com.h"
  23 #include "librpc/gen_ndr/com_dcom.h"
  24
  25 NTSTATUS com_simple_init(void);
  26
  27 static struct IClassFactory_vtable simple_classobject_vtable;
  28 static struct IStream_vtable simple_IStream_vtable;
  29
  30 static WERROR simple_IUnknown_QueryInterface (struct IUnknown *d, TALLOC_CTX *mem_ctx, struct GUID *iid, struct IUnknown **iun)
  31 {
  32         *iun = d;
  33         return WERR_OK;
  34 }
  35
  36 static uint32_t simple_IUnknown_AddRef (struct IUnknown *d, TALLOC_CTX *mem_ctx)
  37 {
  38         return 1;
  39 }
  40
  41 static uint32_t simple_IUnknown_Release (struct IUnknown *d, TALLOC_CTX *mem_ctx)
  42 {
  43         return 1;
  44 }
  45
  46 static WERROR simple_IStream_Read (struct IStream *d, TALLOC_CTX *mem_ctx, uint8_t *pv, uint32_t num_requested, uint32_t *num_readx, uint32_t num_read)
  47 {
  48         printf("%d bytes are being read\n", num_read);
  49         return WERR_OK;
  50 }
  51
  52 static WERROR simple_IStream_Write (struct IStream *d, TALLOC_CTX *mem_ctx, uint8_t *data, uint32_t num_requested, uint32_t num_written)
  53 {
  54         printf("%d bytes are being written\n", num_requested);
  55         return WERR_OK;
  56 }
  57
  58 static WERROR simpleclass_IUnknown_QueryInterface (struct IUnknown *d, TALLOC_CTX *mem_ctx, struct GUID *iid, struct IUnknown **iun)
  59 {
  60         /* FIXME: Return WERR_IFACE_NOT_SUPPORTED if IID != IID_IUNKNOWN and IID != IID_CLASSFACTORY */
  61         *iun = d;
  62         return WERR_OK;
  63 }
  64
  65 static WERROR simpleclass_IClassFactory_CreateInstance (struct IClassFactory *d, TALLOC_CTX *mem_ctx, struct IUnknown *iunk, struct GUID *iid, struct IUnknown **ppv)
  66 {
  67         struct IStream *ret;
  68         /* FIXME: Check whether IID == ISTREAM_IID */
  69         ret = talloc(mem_ctx, struct IStream);
  70         ret->ctx = NULL;
  71         ret->vtable = &simple_IStream_vtable;
  72         ret->object_data = NULL;
  73
  74         *ppv = (struct IUnknown *)ret;
  75
  76         return WERR_OK;
  77 }
  78
  79 static uint32_t simpleclass_IUnknown_AddRef (struct IUnknown *d, TALLOC_CTX *mem_ctx)
  80 {
  81         return 1;
  82 }
  83
  84 static uint32_t simpleclass_IUnknown_Release (struct IUnknown *d, TALLOC_CTX *mem_ctx)
  85 {
  86         return 1;
  87 }
  88
  89 /* Everything below this line should be autogenerated later on */
  90 static struct IClassFactory_vtable simple_classobject_vtable = {
  91         { 0, 0, 0, { 0, 0 }, { 0, 0, 0, 0, 0, 0 } },
  92         simpleclass_IUnknown_QueryInterface,
  93         simpleclass_IUnknown_AddRef,
  94         simpleclass_IUnknown_Release,
  95         simpleclass_IClassFactory_CreateInstance,
  96         NULL,
  97         NULL,
  98         NULL
  99 };
 100
 101 static struct IStream_vtable simple_IStream_vtable = {
 102         { 0, 0, 0, { 0, 0 }, { 0, 0, 0, 0, 0, 0 } },
 103         simple_IUnknown_QueryInterface,
 104         simple_IUnknown_AddRef,
 105         simple_IUnknown_Release,
 106         simple_IStream_Read,
 107         simple_IStream_Write
 108 };
 109
 110 NTSTATUS com_simple_init(void)
 111 {
 112         struct GUID clsid;
 113         struct IUnknown *class_object = talloc(talloc_autofree_context(), struct IUnknown);
 114
 115         class_object->ctx = NULL;
 116         class_object->object_data = NULL;
 117         class_object->vtable = (struct IUnknown_vtable *)&simple_classobject_vtable;
 118
 119         GUID_from_string(CLSID_SIMPLE, &clsid);
 120         GUID_from_string(COM_ICLASSFACTORY_UUID, &simple_classobject_vtable.iid);
 121         GUID_from_string(COM_ISTREAM_UUID, &simple_IStream_vtable.iid);
 122
 123         return com_register_running_class(&clsid, PROGID_SIMPLE, class_object);
 124 }