+++ /dev/null
-/* $Id$
- * reactos Cache Manager (Cc*) CcCopy*() handling of libcaptive
- * Copyright (C) 2003 Jan Kratochvil <project-captive@jankratochvil.net>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; exactly version 2 of June 1991 is required
- *
- * This program 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
-
-
-#include "config.h"
-
-#include "privatebcbpin.h"
-#include "reactos/ddk/status.h"
-#include "captive/macros.h"
-
-
-/**
- * CcCopyRead:
- * @FileObject: Initialized open #FileObject to map.
- * %NULL value is forbidden.
- * @FileOffset: The @FileObject file offset from where to map the region from.
- * Negative value is forbidden.
- * @Length: Requested length of the region to map from @FileObject.
- * Value %0 is permitted (no effect of this function call).
- * @Wait: Whether disk waiting is permitted for this function.
- * Value %FALSE is currently forbidden by libcaptive as we have no on-demand loading implemented.
- * @Buffer: Address of memory region with already allocated memory of size @Length.
- * This address may not be %PAGE_SIZE aligned.
- * %NULL pointer is forbidden.
- * @IoStatus: #PIO_STATUS_BLOCK to return status of this operation.
- * %NULL pointer is forbidden.
- *
- * Reads the specified region of @FileObject to the given @Buffer.
- * No on-demand loading is in effect.
- *
- * Returns: %TRUE if the region was successfuly filled with @Length bytes.
- * @IoStatus.Status initialized by %STATUS_SUCCESS if successful.
- * @IoStatus.Information initialized by @Length if successful.
- */
-BOOLEAN CcCopyRead(IN PFILE_OBJECT FileObject,
- IN PLARGE_INTEGER FileOffset,IN ULONG Length,IN BOOLEAN Wait,OUT PVOID Buffer,OUT PIO_STATUS_BLOCK IoStatus)
-{
-CaptiveSharedCacheMapObject *SharedCacheMap;
-BOOLEAN r;
-
- g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"enter: CcCopyRead: FileObject=0x%lX,FileOffset=0x%lX,Length=0x%lX,Wait=%d,Buffer=0x%lX",
- (long)FileObject,(!FileOffset ? -1 : (long)FileOffset->QuadPart),Length,Wait,(long)Buffer);
-
- g_return_val_if_fail(FileObject!=NULL,FALSE);
- g_return_val_if_fail(FileOffset!=NULL,FALSE);
- g_return_val_if_fail(Wait==TRUE,FALSE);
- g_return_val_if_fail(Buffer!=NULL,FALSE);
- g_return_val_if_fail(IoStatus!=NULL,FALSE);
-
- SharedCacheMap=captive_FileObject_to_SharedCacheMap(FileObject);
-
- captive_shared_cache_map_data_validate_read(SharedCacheMap,FileObject,FileOffset->QuadPart,FileOffset->QuadPart+Length);
- memcpy(Buffer,captive_shared_cache_map_get_buffer(SharedCacheMap)+FileOffset->QuadPart,Length);
-
- IoStatus->Status=STATUS_SUCCESS;
- IoStatus->Information=Length;
- r=TRUE;
-
- g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"leave: CcCopyRead: r=%d,IoStatus->Status=0x%lX,IoStatus->Information=0x%lX",
- r,(!IoStatus ? -1 : (long)IoStatus->Status),(!IoStatus ? -1 : (long)IoStatus->Information));
-
- return r;
-}
-
-
-/**
- * CcCopyWrite:
- * @FileObject: Initialized open #FileObject to map.
- * %NULL value is forbidden.
- * @FileOffset: The @FileObject file offset from where to map the region from.
- * Negative value is forbidden.
- * @Length: Requested length of the region to map from @FileObject.
- * Value %0 is permitted (no effect of this function call).
- * @Wait: Whether disk waiting is permitted for this function.
- * Value %FALSE is currently forbidden by libcaptive as we have no on-demand loading implemented.
- * @Buffer: Address of memory region with already allocated memory of size @Length.
- * This address may not be %PAGE_SIZE aligned.
- * %NULL pointer is forbidden.
- *
- * Writes the specified region of the given @Buffer to @FileObject.
- *
- * Returns: %TRUE if the region was successfuly written with @Length bytes.
- */
-BOOLEAN CcCopyWrite(IN PFILE_OBJECT FileObject,
- IN PLARGE_INTEGER FileOffset,IN ULONG Length,IN BOOLEAN Wait,IN PVOID Buffer)
-{
-CaptiveSharedCacheMapObject *SharedCacheMap;
-BOOLEAN r;
-
- g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"enter: CcCopyWrite: FileObject=0x%lX,FileOffset=0x%lX,Length=0x%lX,Wait=%d,Buffer=0x%lX",
- (long)FileObject,(!FileOffset ? -1 : (long)FileOffset->QuadPart),Length,Wait,(long)Buffer);
-
- g_return_val_if_fail(FileObject!=NULL,FALSE);
- g_return_val_if_fail(FileOffset!=NULL,FALSE);
- g_return_val_if_fail(Wait==TRUE,FALSE);
- g_return_val_if_fail(Buffer!=NULL,FALSE);
-
- /* 'FileOffset' may not be PAGE_SIZE aligned */
- /* 'Length' may not be PAGE_SIZE aligned */
-
- SharedCacheMap=captive_FileObject_to_SharedCacheMap(FileObject);
-
- captive_shared_cache_map_set_data_valid(SharedCacheMap,FileOffset->QuadPart,FileOffset->QuadPart+Length);
- captive_shared_cache_map_data_validate_read(SharedCacheMap,FileObject,FileOffset->QuadPart,FileOffset->QuadPart+Length);
- memcpy(captive_shared_cache_map_get_buffer(SharedCacheMap)+FileOffset->QuadPart,Buffer,Length);
- captive_shared_cache_map_set_dirty(SharedCacheMap,FileOffset->QuadPart,FileOffset->QuadPart+Length);
- r=TRUE;
-
- g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"leave: CcCopyWrite: r=%d",r);
-
- return r;
-}
-
-
-BOOLEAN CcZeroData(IN PFILE_OBJECT FileObject,IN PLARGE_INTEGER StartOffset,IN PLARGE_INTEGER EndOffset,IN BOOLEAN Wait)
-{
-CaptiveSharedCacheMapObject *SharedCacheMap;
-BOOLEAN r;
-
- g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"enter: CcZeroData: FileObject=0x%lX,StartOffset=0x%lX,EndOffset=0x%lX,Wait=%d",
- (long)FileObject,
- (!StartOffset ? -1 : (long)StartOffset->QuadPart),
- (!EndOffset ? -1 : (long)EndOffset->QuadPart),
- Wait);
-
- g_return_val_if_fail(FileObject!=NULL,FALSE);
- g_return_val_if_fail(StartOffset!=NULL,FALSE);
- g_return_val_if_fail(EndOffset!=NULL,FALSE);
- g_return_val_if_fail(StartOffset->QuadPart<=EndOffset->QuadPart,FALSE);
- g_return_val_if_fail((EndOffset->QuadPart-StartOffset->QuadPart)
- ==(size_t)(EndOffset->QuadPart-StartOffset->QuadPart),FALSE);
- g_return_val_if_fail(Wait==TRUE,FALSE);
-
- g_assert(0==CAPTIVE_ROUND_DOWN_EXCEEDING64(StartOffset->QuadPart,PAGE_SIZE)); /* NOT YET IMPLEMENTED */
- g_assert(0==CAPTIVE_ROUND_DOWN_EXCEEDING64(EndOffset->QuadPart,PAGE_SIZE)); /* NOT YET IMPLEMENTED */
-
- SharedCacheMap=captive_FileObject_to_SharedCacheMap(FileObject);
-
- captive_shared_cache_map_set_data_valid(SharedCacheMap,StartOffset->QuadPart,EndOffset->QuadPart);
- memset(captive_shared_cache_map_get_buffer(SharedCacheMap)+StartOffset->QuadPart,0,EndOffset->QuadPart-StartOffset->QuadPart);
- captive_shared_cache_map_set_dirty(SharedCacheMap,StartOffset->QuadPart,EndOffset->QuadPart);
- r=TRUE;
-
- g_log(G_LOG_DOMAIN,G_LOG_LEVEL_DEBUG,"leave: CcZeroData: r=%d",r);
-
- return r;
-}
git://git.jankratochvil.net / captive.git / blobdiff