mirror of
https://github.com/HDFGroup/hdf5.git
synced 2025-02-11 16:01:00 +08:00
ed7d456e51
Tested platform: Kagiso only since it is only a comment block change. If it works in one machine, it should work in all, I hope. Still need to check the parallel build on copper.
1347 lines
44 KiB
C
1347 lines
44 KiB
C
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
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* Copyright by The HDF Group. *
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* Copyright by the Board of Trustees of the University of Illinois. *
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* All rights reserved. *
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* *
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* This file is part of HDF5. The full HDF5 copyright notice, including *
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* terms governing use, modification, and redistribution, is contained in *
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* the files COPYING and Copyright.html. COPYING can be found at the root *
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* of the source code distribution tree; Copyright.html can be found at the *
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* root level of an installed copy of the electronic HDF5 document set and *
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* is linked from the top-level documents page. It can also be found at *
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* http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have *
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* access to either file, you may request a copy from help@hdfgroup.org. *
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* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
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/*
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* Programmer: Quincey Koziol <koziol@ncsa.uiuc.edu>
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* Monday, April 17, 2000
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*
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* Purpose: The POSIX unbuffered file driver using only the HDF5 public
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* API and with a few optimizations: the lseek() call is made
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* only when the current file position is unknown or needs to be
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* changed based on previous I/O through this driver (don't mix
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* I/O from this driver with I/O from other parts of the
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* application to the same file).
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* With custom modifications...
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*/
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/* Interface initialization */
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#define H5_INTERFACE_INIT_FUNC H5FD_log_init_interface
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#include "H5private.h" /* Generic Functions */
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#include "H5Eprivate.h" /* Error handling */
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#include "H5Fprivate.h" /* File access */
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#include "H5FDprivate.h" /* File drivers */
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#include "H5FDlog.h" /* Logging file driver */
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#include "H5Iprivate.h" /* IDs */
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#include "H5MMprivate.h" /* Memory management */
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#include "H5Pprivate.h" /* Property lists */
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#ifdef MAX
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#undef MAX
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#define MAX(X,Y) ((X)>(Y)?(X):(Y))
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#endif /* MAX */
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/* The driver identification number, initialized at runtime */
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static hid_t H5FD_LOG_g = 0;
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/* File operations */
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#define OP_UNKNOWN 0
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#define OP_READ 1
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#define OP_WRITE 2
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/* Driver-specific file access properties */
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typedef struct H5FD_log_fapl_t {
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char *logfile; /* Allocated log file name */
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unsigned flags; /* Flags for logging behavior */
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size_t buf_size; /* Size of buffers for track flavor and number of times each byte is accessed */
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} H5FD_log_fapl_t;
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/* Define strings for the different file memory types */
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static const char *flavors[]={ /* These are defined in H5FDpublic.h */
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"H5FD_MEM_DEFAULT",
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"H5FD_MEM_SUPER",
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"H5FD_MEM_BTREE",
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"H5FD_MEM_DRAW",
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"H5FD_MEM_GHEAP",
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"H5FD_MEM_LHEAP",
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"H5FD_MEM_OHDR",
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};
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/*
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* The description of a file belonging to this driver. The `eoa' and `eof'
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* determine the amount of hdf5 address space in use and the high-water mark
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* of the file (the current size of the underlying Unix file). The `pos'
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* value is used to eliminate file position updates when they would be a
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* no-op. Unfortunately we've found systems that use separate file position
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* indicators for reading and writing so the lseek can only be eliminated if
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* the current operation is the same as the previous operation. When opening
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* a file the `eof' will be set to the current file size, `eoa' will be set
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* to zero, `pos' will be set to H5F_ADDR_UNDEF (as it is when an error
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* occurs), and `op' will be set to H5F_OP_UNKNOWN.
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*/
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typedef struct H5FD_log_t {
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H5FD_t pub; /*public stuff, must be first */
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int fd; /*the unix file */
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haddr_t eoa; /*end of allocated region */
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haddr_t eof; /*end of file; current file size*/
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haddr_t pos; /*current file I/O position */
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int op; /*last operation */
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unsigned char *nread; /* Number of reads from a file location */
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unsigned char *nwrite; /* Number of write to a file location */
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unsigned char *flavor; /* Flavor of information written to file location */
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size_t iosize; /* Size of I/O information buffers */
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FILE *logfp; /* Log file pointer */
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H5FD_log_fapl_t fa; /*driver-specific file access properties*/
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#ifndef WIN32
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/*
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* On most systems the combination of device and i-node number uniquely
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* identify a file.
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*/
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dev_t device; /*file device number */
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ino_t inode; /*file i-node number */
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#else
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/*
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* On WIN32 the low-order word of a unique identifier associated with the
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* file and the volume serial number uniquely identify a file. This number
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* (which, both? -rpm) may change when the system is restarted or when the
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* file is opened. After a process opens a file, the identifier is
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* constant until the file is closed. An application can use this
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* identifier and the volume serial number to determine whether two
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* handles refer to the same file.
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*/
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DWORD fileindexlo;
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DWORD fileindexhi;
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#endif
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} H5FD_log_t;
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/*
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* This driver supports systems that have the lseek64() function by defining
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* some macros here so we don't have to have conditional compilations later
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* throughout the code.
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*
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* file_offset_t: The datatype for file offsets, the second argument of
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* the lseek() or lseek64() call.
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*
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* file_seek: The function which adjusts the current file position,
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* either lseek() or lseek64().
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*/
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/* adding for windows NT file system support. */
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#ifdef H5_HAVE_LSEEK64
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# define file_offset_t off64_t
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# define file_seek lseek64
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#elif defined (WIN32)
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# ifdef __MWERKS__
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# define file_offset_t off_t
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# define file_seek lseek
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# else /*MSVC*/
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# define file_offset_t __int64
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# define file_seek _lseeki64
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# endif
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#else
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# define file_offset_t off_t
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# define file_seek lseek
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#endif
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/*
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* These macros check for overflow of various quantities. These macros
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* assume that file_offset_t is signed and haddr_t and size_t are unsigned.
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*
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* ADDR_OVERFLOW: Checks whether a file address of type `haddr_t'
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* is too large to be represented by the second argument
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* of the file seek function.
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*
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* SIZE_OVERFLOW: Checks whether a buffer size of type `hsize_t' is too
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* large to be represented by the `size_t' type.
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*
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* REGION_OVERFLOW: Checks whether an address and size pair describe data
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* which can be addressed entirely by the second
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* argument of the file seek function.
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*/
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#define MAXADDR (((haddr_t)1<<(8*sizeof(file_offset_t)-1))-1)
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#define ADDR_OVERFLOW(A) (HADDR_UNDEF==(A) || \
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((A) & ~(haddr_t)MAXADDR))
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#define SIZE_OVERFLOW(Z) ((Z) & ~(hsize_t)MAXADDR)
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#define REGION_OVERFLOW(A,Z) (ADDR_OVERFLOW(A) || SIZE_OVERFLOW(Z) || \
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sizeof(file_offset_t)<sizeof(size_t) || \
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HADDR_UNDEF==(A)+(Z) || \
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(file_offset_t)((A)+(Z))<(file_offset_t)(A))
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/* Prototypes */
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static void *H5FD_log_fapl_get(H5FD_t *file);
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static void *H5FD_log_fapl_copy(const void *_old_fa);
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static herr_t H5FD_log_fapl_free(void *_fa);
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static H5FD_t *H5FD_log_open(const char *name, unsigned flags, hid_t fapl_id,
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haddr_t maxaddr);
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static herr_t H5FD_log_close(H5FD_t *_file);
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static int H5FD_log_cmp(const H5FD_t *_f1, const H5FD_t *_f2);
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static herr_t H5FD_log_query(const H5FD_t *_f1, unsigned long *flags);
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static haddr_t H5FD_log_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size);
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static haddr_t H5FD_log_get_eoa(const H5FD_t *_file, H5FD_mem_t type);
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static herr_t H5FD_log_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t addr);
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static haddr_t H5FD_log_get_eof(const H5FD_t *_file);
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static herr_t H5FD_log_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle);
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static herr_t H5FD_log_read(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
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size_t size, void *buf);
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static herr_t H5FD_log_write(H5FD_t *_file, H5FD_mem_t type, hid_t fapl_id, haddr_t addr,
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size_t size, const void *buf);
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static herr_t H5FD_log_flush(H5FD_t *_file, hid_t dxpl_id, unsigned closing);
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/*
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* The free list map which causes each request type to use no free lists
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*/
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#define H5FD_FLMAP_NOLIST { \
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H5FD_MEM_NOLIST, /*default*/ \
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H5FD_MEM_NOLIST, /*super*/ \
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H5FD_MEM_NOLIST, /*btree*/ \
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H5FD_MEM_NOLIST, /*draw*/ \
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H5FD_MEM_NOLIST, /*gheap*/ \
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H5FD_MEM_NOLIST, /*lheap*/ \
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H5FD_MEM_NOLIST /*ohdr*/ \
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}
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static const H5FD_class_t H5FD_log_g = {
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"log", /*name */
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MAXADDR, /*maxaddr */
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H5F_CLOSE_WEAK, /* fc_degree */
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NULL, /*sb_size */
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NULL, /*sb_encode */
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NULL, /*sb_decode */
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sizeof(H5FD_log_fapl_t), /*fapl_size */
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H5FD_log_fapl_get, /*fapl_get */
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H5FD_log_fapl_copy, /*fapl_copy */
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H5FD_log_fapl_free, /*fapl_free */
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0, /*dxpl_size */
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NULL, /*dxpl_copy */
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NULL, /*dxpl_free */
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H5FD_log_open, /*open */
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H5FD_log_close, /*close */
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H5FD_log_cmp, /*cmp */
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H5FD_log_query, /*query */
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H5FD_log_alloc, /*alloc */
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NULL, /*free */
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H5FD_log_get_eoa, /*get_eoa */
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H5FD_log_set_eoa, /*set_eoa */
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H5FD_log_get_eof, /*get_eof */
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H5FD_log_get_handle, /*get_handle */
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H5FD_log_read, /*read */
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H5FD_log_write, /*write */
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H5FD_log_flush, /*flush */
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NULL, /*lock */
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NULL, /*unlock */
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H5FD_FLMAP_NOLIST /*fl_map */
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};
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/*--------------------------------------------------------------------------
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NAME
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H5FD_log_init_interface -- Initialize interface-specific information
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USAGE
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herr_t H5FD_log_init_interface()
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RETURNS
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Non-negative on success/Negative on failure
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DESCRIPTION
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Initializes any interface-specific data or routines. (Just calls
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H5FD_log_init currently).
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--------------------------------------------------------------------------*/
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static herr_t
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H5FD_log_init_interface(void)
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{
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FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FD_log_init_interface)
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FUNC_LEAVE_NOAPI(H5FD_log_init())
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} /* H5FD_log_init_interface() */
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/*-------------------------------------------------------------------------
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* Function: H5FD_log_init
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*
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* Purpose: Initialize this driver by registering the driver with the
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* library.
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*
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* Return: Success: The driver ID for the log driver.
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*
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* Failure: Negative.
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*
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* Programmer: Robb Matzke
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* Thursday, July 29, 1999
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*
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* Modifications:
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*
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*-------------------------------------------------------------------------
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*/
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hid_t
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H5FD_log_init(void)
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{
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hid_t ret_value; /* Return value */
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FUNC_ENTER_NOAPI(H5FD_log_init, FAIL)
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if (H5I_VFL!=H5Iget_type(H5FD_LOG_g))
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H5FD_LOG_g = H5FD_register(&H5FD_log_g,sizeof(H5FD_class_t));
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/* Set return value */
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ret_value=H5FD_LOG_g;
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done:
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FUNC_LEAVE_NOAPI(ret_value)
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}
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/*---------------------------------------------------------------------------
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* Function: H5FD_log_term
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*
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* Purpose: Shut down the VFD
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*
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* Return: <none>
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*
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* Programmer: Quincey Koziol
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* Friday, Jan 30, 2004
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*
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* Modification:
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*
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*---------------------------------------------------------------------------
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*/
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void
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H5FD_log_term(void)
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{
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FUNC_ENTER_NOAPI_NOINIT_NOFUNC(H5FD_log_term)
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/* Reset VFL ID */
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H5FD_LOG_g=0;
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FUNC_LEAVE_NOAPI_VOID
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} /* end H5FD_log_term() */
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/*-------------------------------------------------------------------------
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* Function: H5Pset_fapl_log
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*
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* Purpose: Modify the file access property list to use the H5FD_LOG
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* driver defined in this source file. There are no driver
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* specific properties.
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*
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* Return: Non-negative on success/Negative on failure
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*
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||
* Programmer: Robb Matzke
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* Thursday, February 19, 1998
|
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*
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* Modifications:
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* We copy the LOGFILE value into our own access properties.
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*
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* Raymond Lu, 2001-10-25
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* Changed the file access list to the new generic property list.
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*
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*-------------------------------------------------------------------------
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*/
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herr_t
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H5Pset_fapl_log(hid_t fapl_id, const char *logfile, unsigned flags, size_t buf_size)
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{
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H5FD_log_fapl_t fa; /* File access property list information */
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H5P_genplist_t *plist; /* Property list pointer */
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herr_t ret_value;
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FUNC_ENTER_API(H5Pset_fapl_log, FAIL)
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H5TRACE4("e", "isIuz", fapl_id, logfile, flags, buf_size);
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if(NULL == (plist = H5P_object_verify(fapl_id,H5P_FILE_ACCESS)))
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HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "not a file access property list")
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|
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fa.logfile=(char*)logfile;
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fa.flags=flags;
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fa.buf_size=buf_size;
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ret_value= H5P_set_driver(plist, H5FD_LOG, &fa);
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|
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done:
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FUNC_LEAVE_API(ret_value)
|
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}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
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* Function: H5FD_log_fapl_get
|
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*
|
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* Purpose: Returns a file access property list which indicates how the
|
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* specified file is being accessed. The return list could be
|
||
* used to access another file the same way.
|
||
*
|
||
* Return: Success: Ptr to new file access property list with all
|
||
* members copied from the file struct.
|
||
*
|
||
* Failure: NULL
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Thursday, April 20, 2000
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static void *
|
||
H5FD_log_fapl_get(H5FD_t *_file)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
void *ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_fapl_get, NULL)
|
||
|
||
/* Set return value */
|
||
ret_value= H5FD_log_fapl_copy(&(file->fa));
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_log_fapl_get() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_fapl_copy
|
||
*
|
||
* Purpose: Copies the log-specific file access properties.
|
||
*
|
||
* Return: Success: Ptr to a new property list
|
||
*
|
||
* Failure: NULL
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Thursday, April 20, 2000
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static void *
|
||
H5FD_log_fapl_copy(const void *_old_fa)
|
||
{
|
||
const H5FD_log_fapl_t *old_fa = (const H5FD_log_fapl_t*)_old_fa;
|
||
H5FD_log_fapl_t *new_fa = H5MM_malloc(sizeof(H5FD_log_fapl_t));
|
||
void *ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_fapl_copy, NULL)
|
||
|
||
assert(new_fa);
|
||
|
||
/* Copy the general information */
|
||
HDmemcpy(new_fa, old_fa, sizeof(H5FD_log_fapl_t));
|
||
|
||
/* Deep copy the log file name */
|
||
if(old_fa->logfile!=NULL)
|
||
if (NULL==(new_fa->logfile=H5MM_xstrdup(old_fa->logfile)))
|
||
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "unable to allocate log file name")
|
||
|
||
/* Set return value */
|
||
ret_value=new_fa;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_log_fapl_copy() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_fapl_free
|
||
*
|
||
* Purpose: Frees the log-specific file access properties.
|
||
*
|
||
* Return: Success: 0
|
||
*
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Thursday, April 20, 2000
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
H5FD_log_fapl_free(void *_fa)
|
||
{
|
||
H5FD_log_fapl_t *fa = (H5FD_log_fapl_t*)_fa;
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_fapl_free, FAIL)
|
||
|
||
/* Free the fapl information */
|
||
if(fa->logfile)
|
||
H5MM_xfree(fa->logfile);
|
||
H5MM_xfree(fa);
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_log_fapl_free() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_open
|
||
*
|
||
* Purpose: Create and/or opens a Unix file as an HDF5 file.
|
||
*
|
||
* Return: Success: A pointer to a new file data structure. The
|
||
* public fields will be initialized by the
|
||
* caller, which is always H5FD_open().
|
||
*
|
||
* Failure: NULL
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static H5FD_t *
|
||
H5FD_log_open(const char *name, unsigned flags, hid_t fapl_id,
|
||
haddr_t maxaddr)
|
||
{
|
||
int o_flags;
|
||
int fd=(-1);
|
||
H5FD_log_t *file=NULL;
|
||
H5FD_log_fapl_t *fa; /* File access property list information */
|
||
#ifdef WIN32
|
||
HFILE filehandle;
|
||
struct _BY_HANDLE_FILE_INFORMATION fileinfo;
|
||
#endif
|
||
h5_stat_t sb;
|
||
H5P_genplist_t *plist; /* Property list */
|
||
H5FD_t *ret_value;
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_open, NULL)
|
||
|
||
/* Check arguments */
|
||
if (!name || !*name)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, NULL, "invalid file name")
|
||
if (0==maxaddr || HADDR_UNDEF==maxaddr)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADRANGE, NULL, "bogus maxaddr")
|
||
if (ADDR_OVERFLOW(maxaddr))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, NULL, "bogus maxaddr")
|
||
|
||
/* Build the open flags */
|
||
o_flags = (H5F_ACC_RDWR & flags) ? O_RDWR : O_RDONLY;
|
||
if (H5F_ACC_TRUNC & flags) o_flags |= O_TRUNC;
|
||
if (H5F_ACC_CREAT & flags) o_flags |= O_CREAT;
|
||
if (H5F_ACC_EXCL & flags) o_flags |= O_EXCL;
|
||
|
||
/* Open the file */
|
||
if ((fd=HDopen(name, o_flags, 0666))<0)
|
||
HGOTO_ERROR(H5E_FILE, H5E_CANTOPENFILE, NULL, "unable to open file")
|
||
if (HDfstat(fd, &sb)<0)
|
||
HGOTO_ERROR(H5E_FILE, H5E_BADFILE, NULL, "unable to fstat file")
|
||
|
||
/* Create the new file struct */
|
||
if (NULL==(file=H5MM_calloc(sizeof(H5FD_log_t))))
|
||
HGOTO_ERROR(H5E_RESOURCE, H5E_NOSPACE, NULL, "unable to allocate file struct")
|
||
|
||
/* Get the driver specific information */
|
||
if(NULL == (plist = H5P_object_verify(fapl_id,H5P_FILE_ACCESS)))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, NULL, "not a file access property list")
|
||
fa = H5P_get_driver_info(plist);
|
||
|
||
file->fd = fd;
|
||
H5_ASSIGN_OVERFLOW(file->eof,sb.st_size,h5_stat_size_t,haddr_t);
|
||
file->pos = HADDR_UNDEF;
|
||
file->op = OP_UNKNOWN;
|
||
#ifdef WIN32
|
||
filehandle = _get_osfhandle(fd);
|
||
(void)GetFileInformationByHandle((HANDLE)filehandle, &fileinfo);
|
||
file->fileindexhi = fileinfo.nFileIndexHigh;
|
||
file->fileindexlo = fileinfo.nFileIndexLow;
|
||
#else
|
||
file->device = sb.st_dev;
|
||
file->inode = sb.st_ino;
|
||
#endif
|
||
|
||
/* Get the flags for logging */
|
||
file->fa.flags=fa->flags;
|
||
|
||
/* Check if we are doing any logging at all */
|
||
if(file->fa.flags!=0) {
|
||
file->iosize=fa->buf_size;
|
||
if(file->fa.flags&H5FD_LOG_FILE_READ) {
|
||
file->nread=H5MM_calloc(file->iosize);
|
||
assert(file->nread);
|
||
} /* end if */
|
||
if(file->fa.flags&H5FD_LOG_FILE_WRITE) {
|
||
file->nwrite=H5MM_calloc(file->iosize);
|
||
assert(file->nwrite);
|
||
} /* end if */
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR) {
|
||
file->flavor=H5MM_calloc(file->iosize);
|
||
assert(file->flavor);
|
||
} /* end if */
|
||
if(fa->logfile)
|
||
file->logfp=HDfopen(fa->logfile,"w");
|
||
else
|
||
file->logfp=stderr;
|
||
} /* end if */
|
||
|
||
/* Set return value */
|
||
ret_value=(H5FD_t*)file;
|
||
|
||
done:
|
||
if(ret_value==NULL) {
|
||
if(fd>=0)
|
||
HDclose(fd);
|
||
} /* end if */
|
||
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* end H5FD_log_open() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_close
|
||
*
|
||
* Purpose: Closes a Unix file.
|
||
*
|
||
* Return: Success: 0
|
||
*
|
||
* Failure: -1, file not closed.
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
H5FD_log_close(H5FD_t *_file)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
struct timeval timeval_start,timeval_stop;
|
||
struct timeval timeval_diff;
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_close, FAIL)
|
||
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_CLOSE)
|
||
HDgettimeofday(&timeval_start,NULL);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
if (close(file->fd)<0)
|
||
HGOTO_ERROR(H5E_IO, H5E_CANTCLOSEFILE, FAIL, "unable to close file")
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_CLOSE)
|
||
HDgettimeofday(&timeval_stop,NULL);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
|
||
/* Dump I/O information */
|
||
if(file->fa.flags!=0) {
|
||
haddr_t addr;
|
||
haddr_t last_addr;
|
||
unsigned char last_val;
|
||
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_CLOSE) {
|
||
/* Calculate the elapsed gettimeofday time */
|
||
timeval_diff.tv_usec=timeval_stop.tv_usec-timeval_start.tv_usec;
|
||
timeval_diff.tv_sec=timeval_stop.tv_sec-timeval_start.tv_sec;
|
||
if(timeval_diff.tv_usec<0) {
|
||
timeval_diff.tv_usec+=1000000;
|
||
timeval_diff.tv_sec--;
|
||
} /* end if */
|
||
HDfprintf(file->logfp,"Close took: (%f s)\n",(double)timeval_diff.tv_sec+((double)timeval_diff.tv_usec/(double)1000000.0));
|
||
} /* end if */
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
|
||
/* Dump the write I/O information */
|
||
if(file->fa.flags&H5FD_LOG_FILE_WRITE) {
|
||
HDfprintf(file->logfp,"Dumping write I/O information:\n");
|
||
last_val=file->nwrite[0];
|
||
last_addr=0;
|
||
addr=1;
|
||
while(addr<file->eoa) {
|
||
if(file->nwrite[addr]!=last_val) {
|
||
HDfprintf(file->logfp,"\tAddr %10a-%10a (%10lu bytes) written to %3d times\n",last_addr,(addr-1),(unsigned long)(addr-last_addr),(int)last_val);
|
||
last_val=file->nwrite[addr];
|
||
last_addr=addr;
|
||
} /* end if */
|
||
addr++;
|
||
} /* end while */
|
||
HDfprintf(file->logfp,"\tAddr %10a-%10a (%10lu bytes) written to %3d times\n",last_addr,(addr-1),(unsigned long)(addr-last_addr),(int)last_val);
|
||
} /* end if */
|
||
|
||
/* Dump the read I/O information */
|
||
if(file->fa.flags&H5FD_LOG_FILE_READ) {
|
||
HDfprintf(file->logfp,"Dumping read I/O information:\n");
|
||
last_val=file->nread[0];
|
||
last_addr=0;
|
||
addr=1;
|
||
while(addr<file->eoa) {
|
||
if(file->nread[addr]!=last_val) {
|
||
HDfprintf(file->logfp,"\tAddr %10a-%10a (%10lu bytes) read from %3d times\n",last_addr,(addr-1),(unsigned long)(addr-last_addr),(int)last_val);
|
||
last_val=file->nread[addr];
|
||
last_addr=addr;
|
||
} /* end if */
|
||
addr++;
|
||
} /* end while */
|
||
HDfprintf(file->logfp,"\tAddr %10a-%10a (%10lu bytes) read from %3d times\n",last_addr,(addr-1),(unsigned long)(addr-last_addr),(int)last_val);
|
||
} /* end if */
|
||
|
||
/* Dump the I/O flavor information */
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR) {
|
||
HDfprintf(file->logfp,"Dumping I/O flavor information:\n");
|
||
last_val=file->flavor[0];
|
||
last_addr=0;
|
||
addr=1;
|
||
while(addr<file->eoa) {
|
||
if(file->flavor[addr]!=last_val) {
|
||
HDfprintf(file->logfp,"\tAddr %10a-%10a (%10lu bytes) flavor is %s\n",last_addr,(addr-1),(unsigned long)(addr-last_addr),flavors[last_val]);
|
||
last_val=file->flavor[addr];
|
||
last_addr=addr;
|
||
} /* end if */
|
||
addr++;
|
||
} /* end while */
|
||
HDfprintf(file->logfp,"\tAddr %10a-%10a (%10lu bytes) flavor is %s\n",last_addr,(addr-1),(unsigned long)(addr-last_addr),flavors[last_val]);
|
||
} /* end if */
|
||
|
||
/* Free the logging information */
|
||
if(file->fa.flags&H5FD_LOG_FILE_WRITE)
|
||
file->nwrite=H5MM_xfree(file->nwrite);
|
||
if(file->fa.flags&H5FD_LOG_FILE_READ)
|
||
file->nread=H5MM_xfree(file->nread);
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR)
|
||
file->flavor=H5MM_xfree(file->flavor);
|
||
if(file->logfp!=stderr)
|
||
fclose(file->logfp);
|
||
} /* end if */
|
||
|
||
H5MM_xfree(file);
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_cmp
|
||
*
|
||
* Purpose: Compares two files belonging to this driver using an
|
||
* arbitrary (but consistent) ordering.
|
||
*
|
||
* Return: Success: A value like strcmp()
|
||
*
|
||
* Failure: never fails (arguments were checked by the
|
||
* caller).
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static int
|
||
H5FD_log_cmp(const H5FD_t *_f1, const H5FD_t *_f2)
|
||
{
|
||
const H5FD_log_t *f1 = (const H5FD_log_t*)_f1;
|
||
const H5FD_log_t *f2 = (const H5FD_log_t*)_f2;
|
||
int ret_value=0;
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_cmp, H5FD_VFD_DEFAULT)
|
||
|
||
#ifdef WIN32
|
||
if (f1->fileindexhi < f2->fileindexhi) HGOTO_DONE(-1)
|
||
if (f1->fileindexhi > f2->fileindexhi) HGOTO_DONE(1)
|
||
|
||
if (f1->fileindexlo < f2->fileindexlo) HGOTO_DONE(-1)
|
||
if (f1->fileindexlo > f2->fileindexlo) HGOTO_DONE(1)
|
||
|
||
#else
|
||
#ifdef H5_DEV_T_IS_SCALAR
|
||
if (f1->device < f2->device) HGOTO_DONE(-1)
|
||
if (f1->device > f2->device) HGOTO_DONE(1)
|
||
#else /* H5_DEV_T_IS_SCALAR */
|
||
/* If dev_t isn't a scalar value on this system, just use memcmp to
|
||
* determine if the values are the same or not. The actual return value
|
||
* shouldn't really matter...
|
||
*/
|
||
if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))<0) HGOTO_DONE(-1)
|
||
if(HDmemcmp(&(f1->device),&(f2->device),sizeof(dev_t))>0) HGOTO_DONE(1)
|
||
#endif /* H5_DEV_T_IS_SCALAR */
|
||
|
||
if (f1->inode < f2->inode) HGOTO_DONE(-1)
|
||
if (f1->inode > f2->inode) HGOTO_DONE(1)
|
||
#endif
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_query
|
||
*
|
||
* Purpose: Set the flags that this VFL driver is capable of supporting.
|
||
* (listed in H5FDpublic.h)
|
||
*
|
||
* Return: Success: non-negative
|
||
*
|
||
* Failure: negative
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Friday, August 25, 2000
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
/* ARGSUSED */
|
||
static herr_t
|
||
H5FD_log_query(const H5FD_t UNUSED * _f, unsigned long *flags /* out */)
|
||
{
|
||
herr_t ret_value=SUCCEED;
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_query, FAIL)
|
||
|
||
/* Set the VFL feature flags that this driver supports */
|
||
if(flags) {
|
||
*flags = 0;
|
||
*flags|=H5FD_FEAT_AGGREGATE_METADATA; /* OK to aggregate metadata allocations */
|
||
*flags|=H5FD_FEAT_ACCUMULATE_METADATA; /* OK to accumulate metadata for faster writes */
|
||
*flags|=H5FD_FEAT_DATA_SIEVE; /* OK to perform data sieving for faster raw data reads & writes */
|
||
*flags|=H5FD_FEAT_AGGREGATE_SMALLDATA; /* OK to aggregate "small" raw data allocations */
|
||
}
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_alloc
|
||
*
|
||
* Purpose: Allocate file memory.
|
||
*
|
||
* Return: Success: Address of new memory
|
||
*
|
||
* Failure: HADDR_UNDEF
|
||
*
|
||
* Programmer: Quincey Koziol
|
||
* Monday, April 17, 2000
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
/* ARGSUSED */
|
||
static haddr_t
|
||
H5FD_log_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t UNUSED dxpl_id, hsize_t size)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
haddr_t addr;
|
||
haddr_t ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_alloc, HADDR_UNDEF)
|
||
|
||
/* Compute the address for the block to allocate */
|
||
addr = file->eoa;
|
||
|
||
/* Check if we need to align this block */
|
||
if(size>=file->pub.threshold) {
|
||
/* Check for an already aligned block */
|
||
if(addr%file->pub.alignment!=0)
|
||
addr=((addr/file->pub.alignment)+1)*file->pub.alignment;
|
||
} /* end if */
|
||
|
||
file->eoa = addr+size;
|
||
|
||
/* Retain the (first) flavor of the information written to the file */
|
||
if(file->fa.flags!=0) {
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR) {
|
||
assert(addr<file->iosize);
|
||
H5_CHECK_OVERFLOW(size,hsize_t,size_t);
|
||
HDmemset(&file->flavor[addr],(int)type,(size_t)size);
|
||
} /* end if */
|
||
|
||
if(file->fa.flags&H5FD_LOG_ALLOC)
|
||
HDfprintf(file->logfp,"%10a-%10a (%10Hu bytes) Allocated, flavor=%s\n",addr,addr+size-1,size,flavors[type]);
|
||
} /* end if */
|
||
|
||
/* Set return value */
|
||
ret_value=addr;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
} /* H5FD_log_alloc() */
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_get_eoa
|
||
*
|
||
* Purpose: Gets the end-of-address marker for the file. The EOA marker
|
||
* is the first address past the last byte allocated in the
|
||
* format address space.
|
||
*
|
||
* Return: Success: The end-of-address marker.
|
||
*
|
||
* Failure: HADDR_UNDEF
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Monday, August 2, 1999
|
||
*
|
||
* Modifications:
|
||
* Raymond Lu
|
||
* 21 Dec. 2006
|
||
* Added the parameter TYPE. It's only used for MULTI driver.
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static haddr_t
|
||
H5FD_log_get_eoa(const H5FD_t *_file, H5FD_mem_t UNUSED type)
|
||
{
|
||
const H5FD_log_t *file = (const H5FD_log_t*)_file;
|
||
haddr_t ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_get_eoa, HADDR_UNDEF)
|
||
|
||
/* Set return value */
|
||
ret_value=file->eoa;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_set_eoa
|
||
*
|
||
* Purpose: Set the end-of-address marker for the file. This function is
|
||
* called shortly after an existing HDF5 file is opened in order
|
||
* to tell the driver where the end of the HDF5 data is located.
|
||
*
|
||
* Return: Success: 0
|
||
*
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
* Raymond Lu
|
||
* 21 Dec. 2006
|
||
* Added the parameter TYPE. It's only used for MULTI driver.
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static herr_t
|
||
H5FD_log_set_eoa(H5FD_t *_file, H5FD_mem_t UNUSED type, haddr_t addr)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_set_eoa, FAIL)
|
||
|
||
file->eoa = addr;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_get_eof
|
||
*
|
||
* Purpose: Returns the end-of-file marker, which is the greater of
|
||
* either the Unix end-of-file or the HDF5 end-of-address
|
||
* markers.
|
||
*
|
||
* Return: Success: End of file address, the first address past
|
||
* the end of the "file", either the Unix file
|
||
* or the HDF5 file.
|
||
*
|
||
* Failure: HADDR_UNDEF
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
static haddr_t
|
||
H5FD_log_get_eof(const H5FD_t *_file)
|
||
{
|
||
const H5FD_log_t *file = (const H5FD_log_t*)_file;
|
||
haddr_t ret_value; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_get_eof, HADDR_UNDEF)
|
||
|
||
/* Set return value */
|
||
ret_value=MAX(file->eof, file->eoa);
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_get_handle
|
||
*
|
||
* Purpose: Returns the file handle of LOG file driver.
|
||
*
|
||
* Returns: Non-negative if succeed or negative if fails.
|
||
*
|
||
* Programmer: Raymond Lu
|
||
* Sept. 16, 2002
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
/* ARGSUSED */
|
||
static herr_t
|
||
H5FD_log_get_handle(H5FD_t *_file, hid_t UNUSED fapl, void** file_handle)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t *)_file;
|
||
herr_t ret_value = SUCCEED;
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_get_handle, FAIL)
|
||
|
||
if(!file_handle)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "file handle not valid")
|
||
|
||
*file_handle = &(file->fd);
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_read
|
||
*
|
||
* Purpose: Reads SIZE bytes of data from FILE beginning at address ADDR
|
||
* into buffer BUF according to data transfer properties in
|
||
* DXPL_ID.
|
||
*
|
||
* Return: Success: Zero. Result is stored in caller-supplied
|
||
* buffer BUF.
|
||
*
|
||
* Failure: -1, Contents of buffer BUF are undefined.
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
/* ARGSUSED */
|
||
static herr_t
|
||
H5FD_log_read(H5FD_t *_file, H5FD_mem_t UNUSED type, hid_t UNUSED dxpl_id, haddr_t addr,
|
||
size_t size, void *buf/*out*/)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
ssize_t nbytes;
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_read, FAIL)
|
||
|
||
assert(file && file->pub.cls);
|
||
assert(buf);
|
||
|
||
/* Check for overflow conditions */
|
||
if (HADDR_UNDEF==addr)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "addr undefined")
|
||
if (REGION_OVERFLOW(addr, size))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow")
|
||
if (addr+size>file->eoa)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow")
|
||
|
||
/* Log the I/O information about the read */
|
||
if(file->fa.flags!=0) {
|
||
size_t tmp_size=size;
|
||
haddr_t tmp_addr=addr;
|
||
|
||
/* Log information about the number of times these locations are read */
|
||
if(file->fa.flags&H5FD_LOG_FILE_READ) {
|
||
assert((addr+size)<file->iosize);
|
||
while(tmp_size-->0)
|
||
file->nread[tmp_addr++]++;
|
||
} /* end if */
|
||
|
||
/* Log information about the seek, if it's going to occur */
|
||
if(file->fa.flags&H5FD_LOG_LOC_SEEK) {
|
||
if(addr!=file->pos || OP_READ!=file->op)
|
||
HDfprintf(file->logfp,"Seek: From %10a To %10a\n",file->pos,addr);
|
||
} /* end if */
|
||
|
||
/* Log information about the read */
|
||
if(file->fa.flags&H5FD_LOG_LOC_READ) {
|
||
/* Output the flavor information, if we have it */
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR)
|
||
HDfprintf(file->logfp,"%10a-%10a (%10Zu bytes) Read, flavor=%s\n",addr,addr+size-1,size,flavors[file->flavor[addr]]);
|
||
else
|
||
HDfprintf(file->logfp,"%10a-%10a (%10Zu bytes) Read\n",addr,addr+size-1,size);
|
||
} /* end if */
|
||
} /* end if */
|
||
|
||
/* Seek to the correct location */
|
||
if ((addr!=file->pos || OP_READ!=file->op) &&
|
||
file_seek(file->fd, (file_offset_t)addr, SEEK_SET)<0) {
|
||
file->pos = HADDR_UNDEF;
|
||
file->op = OP_UNKNOWN;
|
||
HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position")
|
||
}
|
||
|
||
/*
|
||
* Read data, being careful of interrupted system calls, partial results,
|
||
* and the end of the file.
|
||
*/
|
||
while (size>0) {
|
||
do {
|
||
nbytes = HDread(file->fd, buf, size);
|
||
} while (-1==nbytes && EINTR==errno);
|
||
if (-1==nbytes) {
|
||
/* error */
|
||
file->pos = HADDR_UNDEF;
|
||
file->op = OP_UNKNOWN;
|
||
HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "file read failed")
|
||
}
|
||
if (0==nbytes) {
|
||
/* end of file but not end of format address space */
|
||
HDmemset(buf, 0, size);
|
||
size = 0;
|
||
}
|
||
assert(nbytes>=0);
|
||
assert((size_t)nbytes<=size);
|
||
H5_CHECK_OVERFLOW(nbytes,ssize_t,size_t);
|
||
size -= (size_t)nbytes;
|
||
H5_CHECK_OVERFLOW(nbytes,ssize_t,haddr_t);
|
||
addr += (haddr_t)nbytes;
|
||
buf = (char*)buf + nbytes;
|
||
}
|
||
|
||
/* Update current position */
|
||
file->pos = addr;
|
||
file->op = OP_READ;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_write
|
||
*
|
||
* Purpose: Writes SIZE bytes of data to FILE beginning at address ADDR
|
||
* from buffer BUF according to data transfer properties in
|
||
* DXPL_ID.
|
||
*
|
||
* Return: Success: Zero
|
||
*
|
||
* Failure: -1
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Thursday, July 29, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
/* ARGSUSED */
|
||
static herr_t
|
||
H5FD_log_write(H5FD_t *_file, H5FD_mem_t type, hid_t UNUSED dxpl_id, haddr_t addr,
|
||
size_t size, const void *buf)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
ssize_t nbytes;
|
||
size_t orig_size=size; /* Save the original size for later */
|
||
haddr_t orig_addr=addr;
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
struct timeval timeval_start,timeval_stop;
|
||
struct timeval timeval_diff;
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_write, FAIL)
|
||
|
||
assert(file && file->pub.cls);
|
||
assert(size>0);
|
||
assert(buf);
|
||
|
||
/* Verify that we are writing out the type of data we allocated in this location */
|
||
if(file->flavor) {
|
||
assert(type==H5FD_MEM_DEFAULT || type==(H5FD_mem_t)file->flavor[addr] || (H5FD_mem_t)file->flavor[addr]==H5FD_MEM_DEFAULT);
|
||
assert(type==H5FD_MEM_DEFAULT || type==(H5FD_mem_t)file->flavor[(addr+size)-1] || (H5FD_mem_t)file->flavor[(addr+size)-1]==H5FD_MEM_DEFAULT);
|
||
} /* end if */
|
||
|
||
/* Check for overflow conditions */
|
||
if (HADDR_UNDEF==addr)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_BADVALUE, FAIL, "addr undefined")
|
||
if (REGION_OVERFLOW(addr, size))
|
||
HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow")
|
||
if (addr+size>file->eoa)
|
||
HGOTO_ERROR(H5E_ARGS, H5E_OVERFLOW, FAIL, "addr overflow")
|
||
|
||
/* Log the I/O information about the write */
|
||
if(file->fa.flags&H5FD_LOG_FILE_WRITE) {
|
||
size_t tmp_size=size;
|
||
haddr_t tmp_addr=addr;
|
||
|
||
assert((addr+size)<file->iosize);
|
||
while(tmp_size-->0)
|
||
file->nwrite[tmp_addr++]++;
|
||
} /* end if */
|
||
|
||
/* Seek to the correct location */
|
||
if (addr!=file->pos || OP_WRITE!=file->op) {
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_SEEK)
|
||
HDgettimeofday(&timeval_start,NULL);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
if(file_seek(file->fd, (file_offset_t)addr, SEEK_SET)<0) {
|
||
file->pos = HADDR_UNDEF;
|
||
file->op = OP_UNKNOWN;
|
||
HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position")
|
||
} /* end if */
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_SEEK)
|
||
HDgettimeofday(&timeval_stop,NULL);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
|
||
/* Log information about the seek */
|
||
if(file->fa.flags&H5FD_LOG_LOC_SEEK) {
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
HDfprintf(file->logfp,"Seek: From %10a To %10a",file->pos,addr);
|
||
if(file->fa.flags&H5FD_LOG_TIME_SEEK) {
|
||
/* Calculate the elapsed gettimeofday time */
|
||
timeval_diff.tv_usec=timeval_stop.tv_usec-timeval_start.tv_usec;
|
||
timeval_diff.tv_sec=timeval_stop.tv_sec-timeval_start.tv_sec;
|
||
if(timeval_diff.tv_usec<0) {
|
||
timeval_diff.tv_usec+=1000000;
|
||
timeval_diff.tv_sec--;
|
||
} /* end if */
|
||
HDfprintf(file->logfp," (%f s)\n",(double)timeval_diff.tv_sec+((double)timeval_diff.tv_usec/(double)1000000.0));
|
||
} /* end if */
|
||
else
|
||
HDfprintf(file->logfp,"\n");
|
||
#else /* H5_HAVE_GETTIMEOFDAY */
|
||
HDfprintf(file->logfp,"Seek: From %10a To %10a\n",file->pos,addr);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
} /* end if */
|
||
} /* end if */
|
||
|
||
/*
|
||
* Write the data, being careful of interrupted system calls and partial
|
||
* results
|
||
*/
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_WRITE)
|
||
HDgettimeofday(&timeval_start,NULL);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
while (size>0) {
|
||
do {
|
||
nbytes = HDwrite(file->fd, buf, size);
|
||
} while (-1==nbytes && EINTR==errno);
|
||
if (-1==nbytes) {
|
||
/* error */
|
||
file->pos = HADDR_UNDEF;
|
||
file->op = OP_UNKNOWN;
|
||
if(file->fa.flags&H5FD_LOG_LOC_WRITE)
|
||
HDfprintf(file->logfp,"Error! Writing: %10a-%10a (%10Zu bytes)\n",orig_addr,orig_addr+orig_size-1,orig_size);
|
||
HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed")
|
||
}
|
||
assert(nbytes>0);
|
||
assert((size_t)nbytes<=size);
|
||
H5_CHECK_OVERFLOW(nbytes,ssize_t,size_t);
|
||
size -= (size_t)nbytes;
|
||
H5_CHECK_OVERFLOW(nbytes,ssize_t,haddr_t);
|
||
addr += (haddr_t)nbytes;
|
||
buf = (const char*)buf + nbytes;
|
||
}
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_WRITE)
|
||
HDgettimeofday(&timeval_stop,NULL);
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
|
||
/* Log information about the write */
|
||
if(file->fa.flags&H5FD_LOG_LOC_WRITE) {
|
||
/* Output the flavor information, if desired */
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR)
|
||
HDfprintf(file->logfp,"%10a-%10a (%10Zu bytes) (%s) Written",orig_addr,orig_addr+orig_size-1,orig_size,flavors[file->flavor[orig_addr]]);
|
||
else
|
||
HDfprintf(file->logfp,"%10a-%10a (%10Zu bytes) Written",orig_addr,orig_addr+orig_size-1,orig_size);
|
||
|
||
/* Check if this is the first write into a "default" section, grabbed by the metadata agregation algorithm */
|
||
if(file->fa.flags&H5FD_LOG_FLAVOR) {
|
||
if((H5FD_mem_t)file->flavor[orig_addr]==H5FD_MEM_DEFAULT)
|
||
HDmemset(&file->flavor[orig_addr],(int)type,orig_size);
|
||
} /* end if */
|
||
|
||
#ifdef H5_HAVE_GETTIMEOFDAY
|
||
if(file->fa.flags&H5FD_LOG_TIME_WRITE) {
|
||
/* Calculate the elapsed gettimeofday time */
|
||
timeval_diff.tv_usec=timeval_stop.tv_usec-timeval_start.tv_usec;
|
||
timeval_diff.tv_sec=timeval_stop.tv_sec-timeval_start.tv_sec;
|
||
if(timeval_diff.tv_usec<0) {
|
||
timeval_diff.tv_usec+=1000000;
|
||
timeval_diff.tv_sec--;
|
||
} /* end if */
|
||
HDfprintf(file->logfp," (%f s)\n",(double)timeval_diff.tv_sec+((double)timeval_diff.tv_usec/(double)1000000.0));
|
||
} /* end if */
|
||
else
|
||
HDfprintf(file->logfp,"\n");
|
||
#else /* H5_HAVE_GETTIMEOFDAY */
|
||
HDfprintf(file->logfp,"\n");
|
||
#endif /* H5_HAVE_GETTIMEOFDAY */
|
||
} /* end if */
|
||
|
||
/* Update current position and eof */
|
||
file->pos = addr;
|
||
file->op = OP_WRITE;
|
||
if (file->pos>file->eof)
|
||
file->eof = file->pos;
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|
||
|
||
|
||
/*-------------------------------------------------------------------------
|
||
* Function: H5FD_log_flush
|
||
*
|
||
* Purpose: Makes sure that the true file size is the same (or larger)
|
||
* than the end-of-address.
|
||
*
|
||
* Return: Success: Non-negative
|
||
*
|
||
* Failure: Negative
|
||
*
|
||
* Programmer: Robb Matzke
|
||
* Wednesday, August 4, 1999
|
||
*
|
||
* Modifications:
|
||
*
|
||
*-------------------------------------------------------------------------
|
||
*/
|
||
/* ARGSUSED */
|
||
static herr_t
|
||
H5FD_log_flush(H5FD_t *_file, hid_t UNUSED dxpl_id, unsigned UNUSED closing)
|
||
{
|
||
H5FD_log_t *file = (H5FD_log_t*)_file;
|
||
herr_t ret_value=SUCCEED; /* Return value */
|
||
|
||
FUNC_ENTER_NOAPI(H5FD_log_flush, FAIL)
|
||
|
||
if(file->eoa>file->eof) {
|
||
if(-1 == file_seek(file->fd, (file_offset_t)(file->eoa - 1), SEEK_SET))
|
||
HGOTO_ERROR(H5E_IO, H5E_SEEKERROR, FAIL, "unable to seek to proper position")
|
||
if(write(file->fd, "", (size_t)1) != 1)
|
||
HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "file write failed")
|
||
file->eof = file->eoa;
|
||
file->pos = file->eoa;
|
||
file->op = OP_WRITE;
|
||
}
|
||
|
||
done:
|
||
FUNC_LEAVE_NOAPI(ret_value)
|
||
}
|