796 lines
17 KiB
C++
796 lines
17 KiB
C++
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/*++
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Copyright (c) 2001 Microsoft Corporation
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Module Name:
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task.cxx
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Abstract:
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Routines implementing the Task object
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Author:
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Cliff Van Dyke (cliffv) 11-Apr-2001
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--*/
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#include "pch.hxx"
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DWORD
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AzpTaskInit(
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IN PGENERIC_OBJECT ParentGenericObject,
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IN PGENERIC_OBJECT ChildGenericObject
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)
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/*++
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Routine Description:
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This routine is a worker routine for AzTaskCreate. It does any object specific
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initialization that needs to be done.
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On entry, AzGlResource must be locked exclusively.
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Arguments:
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ParentGenericObject - Specifies the parent object to add the child object onto.
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The reference count has been incremented on this object.
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ChildGenericObject - Specifies the newly allocated child object.
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The reference count has been incremented on this object.
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Return Value:
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NO_ERROR - The operation was successful
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ERROR_NOT_ENOUGH_MEMORY - not enough memory
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Other exception status codes
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--*/
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{
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PAZP_TASK Task = (PAZP_TASK) ChildGenericObject;
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PAZP_APPLICATION Application = (PAZP_APPLICATION) ParentGenericObject;
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//
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// Initialization
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//
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ASSERT( AzpIsLockedExclusive( &AzGlResource ) );
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//
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// Sanity check the parent
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//
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ASSERT( ParentGenericObject->ObjectType == OBJECT_TYPE_APPLICATION );
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//
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// Tasks reference 'Operations' that are children of the same 'Application' as the Task object
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// Let the generic object manager know all of the lists we support
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//
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ChildGenericObject->GenericObjectLists = &Task->Operations,
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ObInitObjectList( &Task->Operations,
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NULL,
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FALSE, // Forward link
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0, // No link pair id
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&Application->Operations,
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NULL,
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NULL );
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return NO_ERROR;
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}
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VOID
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AzpTaskFree(
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IN PGENERIC_OBJECT GenericObject
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)
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/*++
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Routine Description:
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This routine is a worker routine for Task object free. It does any object specific
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cleanup that needs to be done.
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On entry, AzGlResource must be locked exclusively.
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Arguments:
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GenericObject - Specifies a pointer to the object to be deleted.
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Return Value:
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None
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--*/
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{
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PAZP_TASK Task = (PAZP_TASK) GenericObject;
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//
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// Initialization
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//
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ASSERT( AzpIsLockedExclusive( &AzGlResource ) );
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//
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// Free any local strings
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//
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AzpFreeString( &Task->BizRule );
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AzpFreeString( &Task->BizRuleLanguage );
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}
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DWORD
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AzpTaskGetProperty(
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IN PGENERIC_OBJECT GenericObject,
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IN ULONG PropertyId,
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OUT PVOID *PropertyValue
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)
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/*++
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Routine Description:
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This routine is a worker routine for AzTaskGetProperty. It does any object specific
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property gets.
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On entry, AzGlResource must be locked shared.
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Arguments:
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GenericObject - Specifies a pointer to the object to be queried
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PropertyId - Specifies which property to return.
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PropertyValue - Specifies a pointer to return the property in.
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The returned pointer must be freed using AzFreeMemory.
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The returned value and type depends in PropertyId. The valid values are:
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AZ_PROP_TASK_BIZRULE LPWSTR - Biz rule for the task
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AZ_PROP_TASK_BIZRULE_LANGUAGE LPWSTR - Biz language rule for the task
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AZ_PROP_TASK_OPERATIONS AZ_STRING_ARRAY - Operations granted by this task
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Return Value:
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Status of the operation
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--*/
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{
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DWORD WinStatus = NO_ERROR;
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PAZP_TASK Task = (PAZP_TASK) GenericObject;
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//
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// Initialization
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//
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ASSERT( AzpIsLockedShared( &AzGlResource ) );
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//
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// Return any object specific attribute
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//
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switch ( PropertyId ) {
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//
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// Return BizRule to the caller
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//
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case AZ_PROP_TASK_BIZRULE:
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*PropertyValue = AzpGetStringProperty( &Task->BizRule );
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if ( *PropertyValue == NULL ) {
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WinStatus = ERROR_NOT_ENOUGH_MEMORY;
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}
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break;
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//
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// Return BizRule language to the caller
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//
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case AZ_PROP_TASK_BIZRULE_LANGUAGE:
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*PropertyValue = AzpGetStringProperty( &Task->BizRuleLanguage );
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if ( *PropertyValue == NULL ) {
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WinStatus = ERROR_NOT_ENOUGH_MEMORY;
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}
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break;
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//
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// Return the set of operations to the caller
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//
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case AZ_PROP_TASK_OPERATIONS:
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*PropertyValue = ObGetPropertyItems( &Task->Operations );
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if ( *PropertyValue == NULL ) {
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WinStatus = ERROR_NOT_ENOUGH_MEMORY;
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}
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break;
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default:
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AzPrint(( AZD_INVPARM, "AzTaskGetProperty: invalid prop id %ld\n", PropertyId ));
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WinStatus = ERROR_INVALID_PARAMETER;
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break;
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}
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return WinStatus;
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}
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DWORD
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AzpTaskSetProperty(
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IN PGENERIC_OBJECT GenericObject,
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IN ULONG PropertyId,
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IN PVOID PropertyValue
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)
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/*++
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Routine Description:
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This routine is a worker routine for AzTaskSetProperty. It does any object specific
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property sets.
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On entry, AzGlResource must be locked exclusive.
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Arguments:
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GenericObject - Specifies a pointer to the object to be modified
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PropertyId - Specifies which property to set.
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PropertyValue - Specifies a pointer to the property.
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The specified value and type depends in PropertyId. The valid values are:
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AZ_PROP_TASK_BIZRULE LPWSTR - Biz rule for the task
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AZ_PROP_TASK_BIZRULE_LANGUAGE LPWSTR - Biz language rule for the task
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Return Value:
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Status of the operation
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--*/
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{
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DWORD WinStatus = NO_ERROR;
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PAZP_TASK Task = (PAZP_TASK) GenericObject;
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AZP_STRING CapturedString;
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AZP_STRING ValidValue1;
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AZP_STRING ValidValue2;
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//
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// Initialization
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//
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ASSERT( AzpIsLockedExclusive( &AzGlResource ) );
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AzpInitString( &CapturedString, NULL );
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//
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// Set any object specific attribute
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//
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switch ( PropertyId ) {
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//
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// Set BizRule on the object
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//
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case AZ_PROP_TASK_BIZRULE:
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//
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// Capture the input string
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//
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WinStatus = AzpCaptureString( &CapturedString,
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(LPWSTR) PropertyValue,
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AZ_MAX_TASK_BIZRULE_LENGTH,
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TRUE ); // NULL is OK
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if ( WinStatus != NO_ERROR ) {
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goto Cleanup;
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}
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//
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// Swap the old/new names
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//
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AzpSwapStrings( &CapturedString, &Task->BizRule );
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break;
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//
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// Set BizRule language on the object
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//
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case AZ_PROP_TASK_BIZRULE_LANGUAGE:
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//
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// Capture the input string
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//
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WinStatus = AzpCaptureString( &CapturedString,
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(LPWSTR) PropertyValue,
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AZ_MAX_TASK_BIZRULE_LANGUAGE_LENGTH,
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TRUE ); // NULL is OK
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if ( WinStatus != NO_ERROR ) {
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goto Cleanup;
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}
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//
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// Ensure it is one of the valid values
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//
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AzpInitString( &ValidValue1, L"VBScript" );
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AzpInitString( &ValidValue2, L"JScript" );
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if ( !AzpEqualStrings( &CapturedString, &ValidValue1) &&
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!AzpEqualStrings( &CapturedString, &ValidValue2) ) {
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AzPrint(( AZD_INVPARM, "AzTaskSetProperty: invalid language %ws\n", CapturedString.String ));
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WinStatus = ERROR_INVALID_PARAMETER;
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goto Cleanup;
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}
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//
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// Swap the old/new names
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//
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AzpSwapStrings( &CapturedString, &Task->BizRuleLanguage );
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break;
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default:
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AzPrint(( AZD_INVPARM, "AzTaskSetProperty: invalid prop id %ld\n", PropertyId ));
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WinStatus = ERROR_INVALID_PARAMETER;
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goto Cleanup;
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}
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//
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// Free any local resources
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//
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Cleanup:
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AzpFreeString( &CapturedString );
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return WinStatus;
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}
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DWORD
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WINAPI
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AzTaskCreate(
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IN AZ_HANDLE ApplicationHandle,
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IN LPCWSTR TaskName,
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IN DWORD Reserved,
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OUT PAZ_HANDLE TaskHandle
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)
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/*++
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Routine Description:
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This routine adds a task into the scope of the specified application.
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Arguments:
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ApplicationHandle - Specifies a handle to the application.
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TaskName - Specifies the name of the task to add.
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Reserved - Reserved. Must by zero.
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TaskHandle - Return a handle to the task.
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The caller must close this handle by calling AzCloseHandle.
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Return Value:
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NO_ERROR - The operation was successful
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ERROR_ALREADY_EXISTS - An object by that name already exists
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--*/
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{
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//
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// Call the common routine to do most of the work
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//
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return ObCommonCreateObject(
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(PGENERIC_OBJECT) ApplicationHandle,
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OBJECT_TYPE_APPLICATION,
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&(((PAZP_APPLICATION)ApplicationHandle)->Tasks),
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OBJECT_TYPE_TASK,
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TaskName,
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Reserved,
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(PGENERIC_OBJECT *) TaskHandle );
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}
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DWORD
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WINAPI
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AzTaskOpen(
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IN AZ_HANDLE ApplicationHandle,
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IN LPCWSTR TaskName,
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IN DWORD Reserved,
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OUT PAZ_HANDLE TaskHandle
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)
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/*++
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Routine Description:
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This routine opens a task into the scope of the specified application.
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Arguments:
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ApplicationHandle - Specifies a handle to the application.
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TaskName - Specifies the name of the task to open
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Reserved - Reserved. Must by zero.
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TaskHandle - Return a handle to the task.
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The caller must close this handle by calling AzCloseHandle.
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Return Value:
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NO_ERROR - The operation was successful
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ERROR_NOT_FOUND - There is no task by that name
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--*/
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{
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//
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// Call the common routine to do most of the work
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//
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return ObCommonOpenObject(
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(PGENERIC_OBJECT) ApplicationHandle,
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OBJECT_TYPE_APPLICATION,
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&(((PAZP_APPLICATION)ApplicationHandle)->Tasks),
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OBJECT_TYPE_TASK,
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TaskName,
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Reserved,
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(PGENERIC_OBJECT *) TaskHandle );
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}
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DWORD
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WINAPI
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AzTaskEnum(
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IN AZ_HANDLE ApplicationHandle,
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IN DWORD Reserved,
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IN OUT PULONG EnumerationContext,
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OUT PAZ_HANDLE TaskHandle
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)
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/*++
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Routine Description:
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Enumerates all of the tasks for the specified application.
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Arguments:
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ApplicationHandle - Specifies a handle to the application.
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Reserved - Reserved. Must by zero.
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EnumerationContext - Specifies a context indicating the next task to return
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On input for the first call, should point to zero.
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On input for subsequent calls, should point to the value returned on the previous call.
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On output, returns a value to be passed on the next call.
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TaskHandle - Returns a handle to the next task object.
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The caller must close this handle by calling AzCloseHandle.
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Return Value:
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NO_ERROR - The operation was successful (a handle was returned)
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ERROR_NO_MORE_ITEMS - No more items were available for enumeration
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--*/
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{
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//
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// Call the common routine to do most of the work
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//
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return ObCommonEnumObjects(
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(PGENERIC_OBJECT) ApplicationHandle,
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OBJECT_TYPE_APPLICATION,
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&(((PAZP_APPLICATION)ApplicationHandle)->Tasks),
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EnumerationContext,
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Reserved,
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(PGENERIC_OBJECT *) TaskHandle );
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}
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DWORD
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WINAPI
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AzTaskGetProperty(
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IN AZ_HANDLE TaskHandle,
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IN ULONG PropertyId,
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IN DWORD Reserved,
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OUT PVOID *PropertyValue
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)
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/*++
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Routine Description:
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Returns the specified property for a task.
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Arguments:
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TaskHandle - Specifies a handle to the task
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PropertyId - Specifies which property to return.
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Reserved - Reserved. Must by zero.
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PropertyValue - Specifies a pointer to return the property in.
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The returned pointer must be freed using AzFreeMemory.
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||
|
The returned value and type depends in PropertyId. The valid values are:
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||
|
AZ_PROP_NAME LPWSTR - Object name of the object
|
||
|
AZ_PROP_DESCRIPTION LPWSTR - Description of the object
|
||
|
|
||
|
AZ_PROP_TASK_BIZRULE LPWSTR - Biz rule for the task
|
||
|
AZ_PROP_TASK_BIZRULE_LANGUAGE LPWSTR - Biz language rule for the task
|
||
|
|
||
|
|
||
|
Return Value:
|
||
|
|
||
|
NO_ERROR - The operation was successful
|
||
|
|
||
|
ERROR_INVALID_PARAMETER - PropertyId isn't valid
|
||
|
|
||
|
--*/
|
||
|
{
|
||
|
//
|
||
|
// Call the common routine to do most of the work
|
||
|
//
|
||
|
|
||
|
return ObCommonGetProperty(
|
||
|
(PGENERIC_OBJECT) TaskHandle,
|
||
|
OBJECT_TYPE_TASK,
|
||
|
PropertyId,
|
||
|
Reserved,
|
||
|
PropertyValue );
|
||
|
}
|
||
|
|
||
|
|
||
|
DWORD
|
||
|
WINAPI
|
||
|
AzTaskSetProperty(
|
||
|
IN AZ_HANDLE TaskHandle,
|
||
|
IN ULONG PropertyId,
|
||
|
IN DWORD Reserved,
|
||
|
IN PVOID PropertyValue
|
||
|
)
|
||
|
/*++
|
||
|
|
||
|
Routine Description:
|
||
|
|
||
|
Sets the specified property for a task.
|
||
|
|
||
|
Arguments:
|
||
|
|
||
|
TaskHandle - Specifies a handle to the task
|
||
|
|
||
|
PropertyId - Specifies which property to set
|
||
|
|
||
|
Reserved - Reserved. Must by zero.
|
||
|
|
||
|
PropertyValue - Specifies a pointer to the property.
|
||
|
The specified value and type depends in PropertyId. The valid values are:
|
||
|
|
||
|
AZ_PROP_NAME LPWSTR - Object name of the object
|
||
|
AZ_PROP_DESCRIPTION LPWSTR - Description of the object
|
||
|
|
||
|
Return Value:
|
||
|
|
||
|
NO_ERROR - The operation was successful
|
||
|
|
||
|
ERROR_INVALID_PARAMETER - PropertyId isn't valid
|
||
|
|
||
|
--*/
|
||
|
{
|
||
|
//
|
||
|
// Call the common routine to do most of the work
|
||
|
//
|
||
|
|
||
|
return ObCommonSetProperty(
|
||
|
(PGENERIC_OBJECT) TaskHandle,
|
||
|
OBJECT_TYPE_TASK,
|
||
|
PropertyId,
|
||
|
Reserved,
|
||
|
PropertyValue );
|
||
|
}
|
||
|
|
||
|
|
||
|
DWORD
|
||
|
WINAPI
|
||
|
AzTaskAddPropertyItem(
|
||
|
IN AZ_HANDLE TaskHandle,
|
||
|
IN ULONG PropertyId,
|
||
|
IN DWORD Reserved,
|
||
|
IN PVOID PropertyValue
|
||
|
)
|
||
|
/*++
|
||
|
|
||
|
Routine Description:
|
||
|
|
||
|
Adds an item to the list of items specified by PropertyId.
|
||
|
|
||
|
Arguments:
|
||
|
|
||
|
TaskHandle - Specifies a handle to the task
|
||
|
|
||
|
PropertyId - Specifies which property to modify
|
||
|
|
||
|
Reserved - Reserved. Must by zero.
|
||
|
|
||
|
PropertyValue - Specifies a pointer to item to add.
|
||
|
The specified value and type depends on PropertyId. The valid values are:
|
||
|
|
||
|
AZ_PROP_TASK_OPERATIONS LPWSTR - Operation granted by this task
|
||
|
|
||
|
|
||
|
Return Value:
|
||
|
|
||
|
NO_ERROR - The operation was successful
|
||
|
|
||
|
ERROR_INVALID_PARAMETER - PropertyId isn't valid
|
||
|
|
||
|
ERROR_NOT_FOUND - There is no object by that name
|
||
|
|
||
|
ERROR_ALREADY_EXISTS - An item by that name already exists in the list
|
||
|
|
||
|
--*/
|
||
|
{
|
||
|
PGENERIC_OBJECT_LIST GenericObjectList;
|
||
|
|
||
|
//
|
||
|
// Validate the Property ID
|
||
|
//
|
||
|
|
||
|
switch ( PropertyId ) {
|
||
|
case AZ_PROP_TASK_OPERATIONS:
|
||
|
GenericObjectList = &((PAZP_TASK)TaskHandle)->Operations;
|
||
|
break;
|
||
|
default:
|
||
|
AzPrint(( AZD_INVPARM, "AzTaskAddPropertyItem: invalid prop id %ld\n", PropertyId ));
|
||
|
return ERROR_INVALID_PARAMETER;
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Call the common routine to do most of the work
|
||
|
//
|
||
|
|
||
|
return ObCommonAddPropertyItem(
|
||
|
(PGENERIC_OBJECT) TaskHandle,
|
||
|
OBJECT_TYPE_TASK,
|
||
|
GenericObjectList,
|
||
|
Reserved,
|
||
|
(LPWSTR) PropertyValue );
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
DWORD
|
||
|
WINAPI
|
||
|
AzTaskRemovePropertyItem(
|
||
|
IN AZ_HANDLE TaskHandle,
|
||
|
IN ULONG PropertyId,
|
||
|
IN DWORD Reserved,
|
||
|
IN PVOID PropertyValue
|
||
|
)
|
||
|
/*++
|
||
|
|
||
|
Routine Description:
|
||
|
|
||
|
Remove an item from the list of items specified by PropertyId.
|
||
|
|
||
|
Arguments:
|
||
|
|
||
|
TaskHandle - Specifies a handle to the task
|
||
|
|
||
|
PropertyId - Specifies which property to modify
|
||
|
|
||
|
Reserved - Reserved. Must by zero.
|
||
|
|
||
|
PropertyValue - Specifies a pointer to item to remove.
|
||
|
The specified value and type depends on PropertyId. The valid values are:
|
||
|
|
||
|
AZ_PROP_TASK_OPERATIONS LPWSTR - Operation granted by this task
|
||
|
|
||
|
|
||
|
Return Value:
|
||
|
|
||
|
NO_ERROR - The operation was successful
|
||
|
|
||
|
ERROR_INVALID_PARAMETER - PropertyId isn't valid
|
||
|
|
||
|
ERROR_NOT_FOUND - There is no item by that name in the list
|
||
|
|
||
|
--*/
|
||
|
{
|
||
|
PGENERIC_OBJECT_LIST GenericObjectList;
|
||
|
|
||
|
//
|
||
|
// Validate the Property ID
|
||
|
//
|
||
|
|
||
|
switch ( PropertyId ) {
|
||
|
case AZ_PROP_TASK_OPERATIONS:
|
||
|
GenericObjectList = &((PAZP_TASK)TaskHandle)->Operations;
|
||
|
break;
|
||
|
default:
|
||
|
AzPrint(( AZD_INVPARM, "AzTaskRemovePropertyItem: invalid prop id %ld\n", PropertyId ));
|
||
|
return ERROR_INVALID_PARAMETER;
|
||
|
}
|
||
|
|
||
|
//
|
||
|
// Call the common routine to do most of the work
|
||
|
//
|
||
|
|
||
|
return ObCommonRemovePropertyItem (
|
||
|
(PGENERIC_OBJECT) TaskHandle,
|
||
|
OBJECT_TYPE_TASK,
|
||
|
GenericObjectList,
|
||
|
Reserved,
|
||
|
(LPWSTR) PropertyValue );
|
||
|
|
||
|
}
|
||
|
|
||
|
|
||
|
|
||
|
DWORD
|
||
|
WINAPI
|
||
|
AzTaskDelete(
|
||
|
IN AZ_HANDLE ApplicationHandle,
|
||
|
IN LPCWSTR TaskName,
|
||
|
IN DWORD Reserved
|
||
|
)
|
||
|
/*++
|
||
|
|
||
|
Routine Description:
|
||
|
|
||
|
This routine deletes a task from the scope of the specified application.
|
||
|
Also deletes any child objects of TaskName.
|
||
|
|
||
|
Arguments:
|
||
|
|
||
|
ApplicationHandle - Specifies a handle to the application.
|
||
|
|
||
|
TaskName - Specifies the name of the task to delete.
|
||
|
|
||
|
Reserved - Reserved. Must by zero.
|
||
|
|
||
|
Return Value:
|
||
|
|
||
|
NO_ERROR - The operation was successful
|
||
|
|
||
|
ERROR_NOT_FOUND - An object by that name cannot be found
|
||
|
|
||
|
--*/
|
||
|
{
|
||
|
//
|
||
|
// Call the common routine to do most of the work
|
||
|
//
|
||
|
|
||
|
return ObCommonDeleteObject(
|
||
|
(PGENERIC_OBJECT) ApplicationHandle,
|
||
|
OBJECT_TYPE_APPLICATION,
|
||
|
&(((PAZP_APPLICATION)ApplicationHandle)->Tasks),
|
||
|
OBJECT_TYPE_TASK,
|
||
|
TaskName,
|
||
|
Reserved );
|
||
|
|
||
|
}
|