r5490: The big (D)COM commit! :-) Contains most of the changes described in the
[samba.git] / source / librpc / idl / dcom.idl
index 5e7c530023d09793cceabafea6cd268dcbdd576b..b4ce03e5aa65f96f6c3042f85d7ac8dbdc28e7a0 100644 (file)
 #include "idl_types.h"
 
-#define HRESULT uint32
+/**
+  DCOM interfaces
+  http://www.grimes.demon.co.uk/DCOM/DCOMSpec.htm
+ */
+
+#define OLESTR unistr
 
 [
-       uuid(99fcfe60-5260-101b-bbcb-00aa0021347a),
-       pointer_default(unique)
-]
-interface ObjectRpcBaseTypes
+       uuid("18f70770-8e64-11cf-9af1-0020af6e72f4"),
+       pointer_default(unique),
+       version(0.0)
+] interface dcom_Unknown
 {
-       WERROR stub();
-       
-       typedef [public] struct {
-               uint32 upper;
-               uint32 lower;
-       } hyper;
-
-       //////////////////////////////////////////////////////////////
-       // Identifier Definitions
-       ////////////////////////////////////////////////////////////
-
-       // Machine Identifier
-#define MID hyper
-
-
-        // Object Exporter Identifier
-#define OXID hyper
-       
-        // Object Identifer
-#define OID hyper
-       
-       // Ping Set Identifier
-#define SETID hyper
-
-       // Interface Pointer Identifier
-#define IPID GUID
-       
-       // Causality Identifier
-#define CID GUID
-
-#define CLSID GUID
-
-#define IID GUID
-
-       //////////////////////////////////////////////////////////////////
-       // ORPC Call Packet Format
-       //////////////////////////////////////////////////////////////////
-       // COM_MINOR_VERSION = 1 (NT4.0, SP1, SP2, DCOM95).
-       // - Initial Release
-       // - Must be used when talking to downlevel machines, including
-       // on Remote Activation calls.
-       // COM_MINOR_VERSION = 2 (NT4.0 SP3 and beyond).
-       // - Added ResolveOxid2 to IObjectExporter to retrieve the
-       // COM version number of the server. Passed to the NDR engine
-       // to fix fatal endian-ness flaw in the way OLEAUTOMATION marshals
-       // BSTRS. Previous way used trailing padding, which is not NDR
-       // compatible. See Bug# 69189.
-       // COM_MINOR_VERSION = 3 (NT4.0 SP4 and DCOM95 builds 1018 and beyond)
-       // - OLEAUT32 added two new types to the SAFEARRAY, but SAFEARRAY
-       // previously included the "default" keyword, which prevented
-       // downlevel NDR engines from correctly handling any extensions.
-       // Machines with version >=5.3 don't use "default" and will
-       // gracefully handle future extensions to SAFEARRAY.
-       // old constants (for convenience)
-       const uint16 COM_MINOR_VERSION_1 = 1;
-       const uint16 COM_MINOR_VERSION_2 = 2;
-       // current version
-       const uint16 COM_MAJOR_VERSION = 5;
-       const uint16 COM_MINOR_VERSION = 3;
-       // Component Object Model version number
-
-       typedef [public] struct 
-       {
-               uint16 MajorVersion; // Major version number
-               uint16 MinorVersion; // Minor version number
-       } COMVERSION;
-
-
-       // enumeration of additional information present in the call packet.
-       // Should be an enum but DCE IDL does not support sparse enumerators.
-       const uint32 ORPCF_NULL = 0; // no additional info in packet
-       const uint32 ORPCF_LOCAL = 1; // call is local to this machine
-       const uint32 ORPCF_RESERVED1 = 2; // reserved for local use
-       const uint32 ORPCF_RESERVED2 = 4; // reserved for local use
-       const uint32 ORPCF_RESERVED3 = 8; // reserved for local use
-       const uint32 ORPCF_RESERVED4 = 16; // reserved for local use
-       // Extension to implicit parameters.
-       typedef [public] struct 
-       {       
-               GUID id; // Extension identifier.
-               uint32 size; // Extension size.
-               //FIXME[size_is((size+7)&~7)] uint8 data[]; // Extension data.
-               [size_is(size)] uint8 data[];
-       }       ORPC_EXTENT;
-
-
-       // Array of extensions.
-       typedef struct 
-       {
-               uint32 size; // Num extents.
-               uint32 reserved; // Must be zero.
-               //FIXME[size_is((size+1)&~1,), unique] ORPC_EXTENT **extent; // extents
-               [size_is(size),unique] ORPC_EXTENT extent[];
-       }       ORPC_EXTENT_ARRAY;
-
-
-       // implicit 'this' pointer which is the first [in] parameter on
-       // every ORPC call.
-       typedef [public] struct 
-       {
-               COMVERSION version; // COM version number
-               uint32 flags; // ORPCF flags for presence of other data
-               uint32 reserved1; // set to zero
-               CID cid; // causality id of caller
-               // Extensions.
-               [unique] ORPC_EXTENT_ARRAY *extensions;
-       }       ORPCTHIS;
-
-
-       // implicit 'that' pointer which is the first [out] parameter on
-       // every ORPC call.
-       typedef [public] struct 
-       {
-               uint32 flags; // ORPCF flags for presence of other data
-               // Extensions.
-               [unique] ORPC_EXTENT_ARRAY *extensions;
-       }       ORPCTHAT;
-
-
-       //////////////////////////////////////////////////////////////////
-       //
-       // Marshaled COM Interface Wire Format
-       //
-       //////////////////////////////////////////////////////////////////
-       // DUALSTRINGARRAYS are the return type for arrays of network addresses,
-       // arrays of endpoints and arrays of both used in many ORPC interfaces
-       typedef struct 
-       {
-               uint16 wTowerId; // Cannot be zero.
-               uint16 aNetworkAddr; // Zero terminated.
-       }       STRINGBINDING;
-
-
-       const uint16 COM_C_AUTHZ_NONE = 0xffff;
-       typedef struct 
-       {
-               uint16 wAuthnSvc; // Cannot be zero.
-               uint16 wAuthzSvc; // Must not be zero.
-               uint16 aPrincName; // Zero terminated.
-       }       SECURITYBINDING;
-
-
-       typedef [public] struct 
-       {
-               uint16 wNumEntries; // Number of entries in array.
-               uint16 wSecurityOffset; // Offset of security info.
-               // The array contains two parts, a set of STRINGBINDINGs
-               // and a set of SECURITYBINDINGs. Each set is terminated by an
-               // extra zero. The shortest array contains four zeros.
-               [size_is(wNumEntries)] uint16 aStringArray[];
-       }       DUALSTRINGARRAY;
-
-
-       // signature value for OBJREF (object reference, actually the
-       // marshaled form of a COM interface).
-       const uint32 OBJREF_SIGNATURE = 0x574f454d; // 'MEOW'
-
-       // flag values for OBJREF
-       typedef enum {
-               OBJREF_STANDARD = 0x1, // standard marshaled objref
-               OBJREF_HANDLER = 0x2, // handler marshaled objref
-               OBJREF_CUSTOM = 0x4 // custom marshaled objref
-       } OBJREF_FLAGS;
-
-       // Flag values for a STDOBJREF (standard part of an OBJREF).
-       // SORF_OXRES1 - SORF_OXRES8 are reserved for the object exporters
-       // use only, object importers must ignore them and must not enforce MBZ.
-       const uint32 SORF_OXRES1 = 0x1; // reserved for exporter
-       const uint32 SORF_OXRES2 = 0x20; // reserved for exporter
-       const uint32 SORF_OXRES3 = 0x40; // reserved for exporter
-       const uint32 SORF_OXRES4 = 0x80; // reserved for exporter
-       const uint32 SORF_OXRES5 = 0x100;// reserved for exporter
-       const uint32 SORF_OXRES6 = 0x200;// reserved for exporter
-       const uint32 SORF_OXRES7 = 0x400;// reserved for exporter
-       const uint32 SORF_OXRES8 = 0x800;// reserved for exporter
-       const uint32 SORF_NULL = 0x0; // convenient for initializing SORF
-       const uint32 SORF_NOPING = 0x1000;// Pinging is not required 
-       // standard object reference
-       typedef struct 
-       {
-               uint32 flags; // STDOBJREF flags (see above)
-               uint32 cPublicRefs; // count of references passed
-               OXID oxid; // oxid of server with this oid
-               OID oid; // oid of object with this ipid
-               IPID ipid; // ipid of Interface
-       }       STDOBJREF;
-
+       void UseProtSeq();
+       void GetCustomProtseqInfo();
+       void UpdateResolverBindings();
+}
 
-       typedef struct
-       {
-               STDOBJREF std; // standard objref
-               DUALSTRINGARRAY saResAddr; // resolver address
-       } u_standard;
+[
+       object,
+       uuid("00000000-0000-0000-C000-000000000046"),
+       pointer_default(unique),
+       helpstring("Base interface for all COM interfaces")
+]
+interface IUnknown
+{
+       /*****************/
+       /* Function 0x00 */
+       /* Returns the interface with the specified IID 
+          if implemented by this object */
+       [local] WERROR QueryInterface([in] GUID *iid,
+          [out,iid_is(riid),ref] IUnknown **data);
 
-       typedef struct
-               {
-                       STDOBJREF std; // standard objref
-                       CLSID clsid; // Clsid of handler code
-                       DUALSTRINGARRAY saResAddr; // resolver address
-               } u_handler;
+       /*****************/
+       /* Function 0x01 */
+       [local] uint32 AddRef();
 
-       typedef struct
-               {
-                       CLSID clsid; // Clsid of unmarshaling code
-                       uint32 cbExtension; // size of extension data
-                       uint32 size; // size of data that follows
-                       [size_is(size), ref] uint8 *pData; // extension + class specific data
-               } u_custom;
+       /*****************/
+       /* Function 0x02 */
+       [local] uint32 Release();
+}
 
 
+[
+       object,
+       uuid("00000001-0000-0000-C000-000000000046"),
+       pointer_default(unique)
+] interface IClassFactory : IUnknown
+{
+       [local] WERROR CreateInstance([in] MInterfacePointer *pUnknown, 
+                              [in] GUID *iid,
+                              [out, iid_is(riid)] MInterfacePointer *ppv);
 
-       typedef union 
-       {
-               [case(OBJREF_STANDARD)] u_standard u_standard;
-               [case(OBJREF_HANDLER)] u_handler u_handler;
-               [case(OBJREF_CUSTOM)] u_custom u_custom;
-       } OBJREF_Types;
+       [call_as(CreateInstance)] WERROR RemoteCreateInstance();
 
-       // OBJREF is the format of a marshaled interface pointer.
-       typedef struct 
-       {
-               uint32 flags; // OBJREF flags (see above)
-               GUID iid; // interface identifier
-               [switch_is(flags), switch_type(uint32)] OBJREF_Types u_objref;
-       } OBJREF;
-       // wire representation of a marshalled interface pointer
-       typedef [public] struct 
-       {
-               uint32 ulCntData; // size of data
-               [size_is(ulCntData)] uint8 abData[]; // data (OBJREF)
-       } MInterfacePointer;
+       /* Set lock to TRUE when you want to do a lock
+       and set it to FALSE when you want to unlock */
+       [local] WERROR LockServer([in] uint8 lock);
 
+       [call_as(LockServer)] WERROR RemoteLockServer();
 }
-//////////////////////////////////////////////////////////////////
-
-// The remote version of Iunknown. This interface exists on every
-// OXID (whether an OXID represents either a thread or a process is
-// implementation specific). It is used by clients to query for new
-// interfaces, get additional references (for marshaling), and release
-// outstanding references.
-// This interface is passed along during OXID resolution.
-//
+
+/* The remote version of IUnknown. This interface exists on every */
+/* OXID (whether an OXID represents either a thread or a process is */
+/* implementation specific). It is used by clients to query for new */
+/* interfaces, get additional references (for marshaling), and release */
+/* outstanding references. */
+/* This interface is passed along during OXID resolution. */
+/* */
 [
-       uuid(00000131-0000-0000-C000-000000000046),
-       version(0.0)
+       uuid("00000131-0000-0000-C000-000000000046"),
+       object,
+       pointer_default(unique),
+       helpstring("Remote version of IUnknown")
 ]
-interface IRemUnknown // : IUnknown
+interface IRemUnknown : IUnknown
 {
-       typedef struct 
+       typedef [public] struct 
        {
-               HRESULT hResult; // result of call
-               STDOBJREF std; // data for returned interface
+               WERROR hResult; /* result of call */
+               STDOBJREF std; /* data for returned interface */
        }
        REMQIRESULT;
-       
-       HRESULT RemQueryInterface (
-                [in] IPID *ripid, // interface to QI on
-                [in] uint32 cRefs, // count of AddRefs requested
-                [in] uint16 cIids, // count of IIDs that follow
-                [in, size_is(cIids)]
-                IID* iids // IIDs to QI for
-                /*FIXME: [out, size_is(,cIids)]
-                REMQIRESULT** ppQIResults // results returned*/
+
+       [call_as(QueryInterface)] WERROR RemQueryInterface (
+               [in] GUID *ripid, /* interface to QI on */
+               [in] uint32 cRefs, /* count of AddRefs requested */
+               [in] uint16 cIids, /* count of IIDs that follow */
+               [in, size_is(cIids)] GUID* iids, /* IIDs to QI for */
+               [out, size_is(cIids)] MInterfacePointer *ip
                );
+
        typedef struct 
        {
-               IPID ipid; // ipid to AddRef/Release
+               GUID ipid; /* ipid to AddRef/Release */
                uint32 cPublicRefs;
                uint32 cPrivateRefs;
        } REMINTERFACEREF;
 
-       HRESULT RemAddRef (
+       [call_as(AddRef)] WERROR RemAddRef (
                 [in] uint16 cInterfaceRefs,
                 [in, size_is(cInterfaceRefs)] REMINTERFACEREF InterfaceRefs[],
-                [out, size_is(cInterfaceRefs)] HRESULT* pResults
+                [out, size_is(cInterfaceRefs)] WERROR* pResults
                );
 
-       HRESULT RemRelease (
+       [call_as(Release)] WERROR RemRelease (
                 [in] uint16 cInterfaceRefs,
                 [in, size_is(cInterfaceRefs)] REMINTERFACEREF InterfaceRefs[]
                );
 }
 
-// Derived from IRemUnknown, this interface supports Remote Query interface
-// for objects that supply additional data beyond the STDOBJREF in their
-// marshaled interface packets.
 [
-uuid(00000143-0000-0000-C000-000000000046),
-version(0.0)
-]
-
-interface IRemUnknown2 //: IRemUnknown
+       uuid("00000140-0000-0000-c000-000000000046"),
+       pointer_default(unique),
+       object
+] interface IClassActivator : IUnknown
 {
-       HRESULT RemQueryInterface2 (
-                [in] IPID *ripid,
-                [in] uint16 cIids,
-                [in, size_is(cIids)] IID *iids,
-                [out, size_is(cIids)] HRESULT *phr
-                //FIXME [out, size_is(cIids)] MInterfacePointer **ppMIF
-               );
+       void GetClassObject([in] GUID clsid, 
+                               [in] uint32 context,
+                                               [in] uint32 locale,
+                                               [in] GUID iid,
+                                               [out, iid_is(iid)] MInterfacePointer data);
+}
 
+[
+       uuid("00000136-0000-0000-c000-000000000046"),
+       pointer_default(unique),
+       object
+] interface ISCMLocalActivator : IClassActivator
+{
+       WERROR ISCMLocalActivator_CreateInstance( );
 }
 
-[ uuid(99fcfec4-5260-101b-bbcb-00aa0021347a),
-       pointer_default(unique)
-]
-interface IOXIDResolver
+[
+       pointer_default(unique),
+       uuid("c6f3ee72-ce7e-11d1-b71e-00c04fc3111a")
+] interface IMachineLocalActivator 
 {
-       // Method to get the protocol sequences, string bindings
-       // and machine id for an object server given its OXID.
-
-       typedef [public] struct {
-               DUALSTRINGARRAY *ppdsaOxidBindings;
-       } ppdsaOxidBindingsArray;
-
-       [idempotent] WERROR ResolveOxid (
-                [in,ref] policy_handle *hRpc,
-                [in] OXID *pOxid,
-                [in] uint16 cRequestedProtseqs,
-                [in, size_is(cRequestedProtseqs)] uint16 arRequestedProtseqs[],
-                [out, ref] ppdsaOxidBindingsArray *ppdsaOxidBindings,
-                [out, ref] IPID *pipidRemUnknown,
-                [out, ref] uint32 *pAuthnHint
-                        );
-
-       // Simple ping is used to ping a Set. Client machines use this
-       // to inform the object exporter that it is still using the
-       // members of the set.
-       // Returns S_TRUE if the SetId is known by the object exporter,
-       // S_FALSE if not.
-       [idempotent] WERROR SimplePing (
-                [in] policy_handle hRpc,
-                [in] SETID *pSetId // Must not be zero
-               );
-       
-       // Complex ping is used to create sets of OIDs to ping. The
-       // whole set can subsequently be pinged using SimplePing,
-       // thus reducing network traffic.
-       [idempotent] WERROR ComplexPing (
-                [in] policy_handle hRpc,
-                [in, out] SETID *pSetId, // In of 0 on first call for new set.
-                [in] uint16 SequenceNum,
-                [in] uint16 cAddToSet,
-                [in] uint16 cDelFromSet,
-                // add these OIDs to the set
-                [in, unique, size_is(cAddToSet)] OID AddToSet[],
-                //remove these OIDs from the set
-                [in, unique, size_is(cDelFromSet)] OID DelFromSet[],
-                [out] uint16 *pPingBackoffFactor// 2^factor = multipler
-                        );
-       // In some cases the client maybe unsure that a particular
-       // binding will reach the server. (For example, when the oxid
-       // bindings have more then one TCP/IP binding) This call
-       // can be used to validate the binding
-       // from the client.
-       [idempotent] WERROR ServerAlive (
-                                                                        [in] policy_handle hRpc
-                                                                       );
-       // Method to get the protocol sequences, string bindings,
-       // RemoteUnknown IPID and COM version for an object server
-       // given its OXID. Supported by DCOM
-       // version 5.2 and above.
-       [idempotent] error_status_t ResolveOxid2 (
-                                                                                         [in] policy_handle hRpc,
-                                                                                         [in] OXID *pOxid,
-                                                                                         [in] uint16 cRequestedProtseqs,
-                                                                                         [in, size_is(cRequestedProtseqs)]
-                                                                                         uint16 arRequestedProtseqs[],
-                                                                                         [out, ref] ppdsaOxidBindingsArray *ppdsaOxidBindings,
-                                                                                         [out, ref] IPID *pipidRemUnknown,
-                                                                                         [out, ref] uint32 *pAuthnHint,
-                                                                                         [out, ref] COMVERSION *pComVersion
-                                                                                        );
+       WERROR IMachineLocalActivator_foo();
+}
 
+[
+       pointer_default(unique),
+       uuid("e60c73e6-88f9-11cf-9af1-0020af6e72f4")
+] interface ILocalObjectExporter
+{
+       WERROR ILocalObjectExporter_Foo();
 }
 
+/* Looks like this is the equivalent of .NET's 
+   System.Activator class */
 [
-uuid(4d9f4ab8-7d1c-11cf-861e-0020af6e7c57),
-       version(0.0),
-       pointer_default(unique)
+       uuid("000001a0-0000-0000-c000-000000000046"),
+       pointer_default(unique),
+       object
 ]
-interface IRemoteActivation
+       interface ISystemActivator : IClassActivator
 {
-       typedef [public] struct {
-               MInterfacePointer *ppInterfaceData;
-       } ppInterfaceDataArray;
-
-       const uint32 MODE_GET_CLASS_OBJECT = 0xffffffff;
-       HRESULT RemoteActivation (
-                                                         [in] policy_handle hRpc,
-                                                         [in] ORPCTHIS *ORPCthis,
-                                                         [out] ORPCTHAT *ORPCthat,
-                                                         [in] GUID *Clsid,
-                                                         [in, unique] unistr *pwszObjectName,
-                                                         [in, unique] MInterfacePointer *pObjectStorage,
-                                                         [in] uint32 ClientImpLevel,
-                                                         [in] uint32 Mode,
-                                                         [in] uint32 Interfaces,
-                                                         [in,unique,size_is(Interfaces)] IID *pIIDs,
-                                                         [in] uint16 cRequestedProtseqs,
-                                                         [in, size_is(cRequestedProtseqs)]
-                                                         uint16 RequestedProtseqs[],
-                                                         [out] OXID *pOxid,
-                                                         [out] ppdsaOxidBindingsArray *ppdsaOxidBindings,
-                                                         [out] IPID *pipidRemUnknown,
-                                                         [out] uint32 *pAuthnHint,
-                                                         [out] COMVERSION *pServerVersion,
-                                                         [out] HRESULT *phr,
-                                                         [out,size_is(Interfaces)] ppInterfaceDataArray *ppInterfaceData,
-                                                         [out,size_is(Interfaces)] HRESULT *pResults
-                                                                 );
+       WERROR ISystemActivatorRemoteCreateInstance([in] hyper unknown1,  /* OXID ? */
+                                                                                         [in] MInterfacePointer iface1,
+                                                                                         [in] hyper unknown2,
+                                                                                         [out] uint32 unknown3, 
+                                                                                         [out] MInterfacePointer iface2);
 }
 
 
-/* The Win2k equivalent of IRemoteActivation */
+
+/* Derived from IRemUnknown, this interface supports Remote Query interface */
+/* for objects that supply additional data beyond the STDOBJREF in their */
+/* marshaled interface packets. */
 [
-       uuid(000001a0-0000-0000-c000-000000000046),
-       version(0.0)
+       object,
+       pointer_default(unique),
+       uuid("00000143-0000-0000-C000-000000000046")
 ]
-interface ISystemActivator
+
+interface IRemUnknown2 : IRemUnknown
+{
+       [call_as(QueryInterface2)] WERROR RemQueryInterface2 (
+                [in] GUID *ripid,
+                [in] uint16 cIids,
+                [in, size_is(cIids)] GUID*iids,
+                [out, size_is(cIids)] WERROR *phr,
+                [out, size_is(cIids)] MInterfacePointer *ppMIF
+               );
+}
+
+[
+object,
+       pointer_default(unique),
+       uuid("00000136-0000-0000-C000-000000000046")
+       ] interface ISCMActivator : IClassActivator
 {
+       WERROR SCMActivator_CreateInstance();
+}
 
+[
+       object,
+       pointer_default(unique),
+       uuid("00020400-0000-0000-C000-000000000046")
+       ] interface IDispatch : IUnknown
+{
        /*****************/
-       /* Function 0x00 */
-       NTSTATUS isa_Unknown0();
+       /* Function 0x03 */
+       WERROR GetTypeInfoCount(
+                       [out] uint16 *pctinfo);
+
+       typedef struct {
+       } REF_ITypeInfo;
 
        /*****************/
-       /* Function 0x01 */
-       NTSTATUS isa_Unknown1();
+       /* Function 0x04 */
+       WERROR GetTypeInfo (
+                       [in] uint16 iTInfo,
+                       [in] uint32 lcid,
+                       [out] REF_ITypeInfo *ppTInfo);
 
        /*****************/
-       /* Function 0x02 */
-       NTSTATUS isa_Unknown2();
+       /* Function 0x05 */
+       WERROR GetIDsOfNames(
+                       [in] GUID *riid,
+                       /*FIXME[in,size_is(cNames)] OLESTR *rgszNames[], */
+                       [in] uint16 cNames,
+                       [in] uint32 lcid,
+                       [out,size_is(cNames)] uint32 *rgDispId);
+
+       typedef struct {
+               uint16 vartype;
+               uint16 FIXME;
+       } VARIANT;
+
+       typedef struct {
+               uint16 FIXME;
+       } DISPPARAMS;
+
+       /* Exception ? */
+       typedef struct {
+               uint16 FIXME;
+       } EXCEPINFO;
 
        /*****************/
-       /* Function 0x03 */
-       NTSTATUS isa_Unknown3();
+       /* Function 0x06 */
+       WERROR Invoke(
+                       [in] uint32 dispIdMember,
+                       [in] GUID *riid,
+                       [in] uint32 lcid,
+                       [in] uint16 wFlags,
+                       [out,in] DISPPARAMS *pDispParams,
+                       [out] VARIANT *pVarResult,
+                       [out] EXCEPINFO *pExcepInfo,
+                       [out] uint16 *puArgErr);
+}
 
+[
+       object,
+       local,
+       uuid("00000003-0000-0000-C000-000000000046")
+] interface IMarshal : IUnknown
+{
+       WERROR MarshalInterface();
+       WERROR UnMarshalInterface();
+}
 
-       // Binding strings and the OBJREF_SIGNATURE in this call
-       /*****************/
-       /* Function 0x04 */
-       NTSTATUS isa_Unknown4();
+[
+       uuid(DA23F6DB-6F45-466C-9EED-0B65286F2D78),
+       helpstring("ICoffeeMachine Interface"),
+       pointer_default(unique),
+       object
+] interface ICoffeeMachine : IUnknown
+{
+       [helpstring("method MakeCoffee")] WERROR MakeCoffee(unistr *flavor);
+}
 
+[
+uuid(DB7C21F8-FE33-4C11-AEA5-CEB56F076FBB),
+       helpstring("CoffeeMachine Class")
+] coclass CoffeeMachine
+{
+       interface ICoffeeMachine;
+}
 
+[
+       object,
+       pointer_default(unique),
+       uuid("0000000C-0000-0000-C000-000000000046"),
+       helpstring("Stream")
+]
+interface IStream : IUnknown
+{
+       WERROR Read(
+                               [out, size_is(num_requested), length_is(num_read)] uint8 pv[],
+                               [in] uint32 num_requested, 
+                               [in] uint32 *num_readx,
+                               [out] uint32 num_read
+                               );
+
+       WERROR Write(
+                               [in,size_is(num_requested)] uint8 *data,
+                                [in] uint32 num_requested,
+                                [out] uint32 num_written);
 }