/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * Copyright by The HDF Group. * * Copyright by the Board of Trustees of the University of Illinois. * * All rights reserved. * * * * This file is part of HDF5. The full HDF5 copyright notice, including * * terms governing use, modification, and redistribution, is contained in * * the files COPYING and Copyright.html. COPYING can be found at the root * * of the source code distribution tree; Copyright.html can be found at the * * root level of an installed copy of the electronic HDF5 document set and * * is linked from the top-level documents page. It can also be found at * * http://hdfgroup.org/HDF5/doc/Copyright.html. If you do not have * * access to either file, you may request a copy from help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /*------------------------------------------------------------------------- * * Created: H5Fio.c * Jan 10 2008 * Quincey Koziol * * Purpose: File I/O routines. * *------------------------------------------------------------------------- */ /****************/ /* Module Setup */ /****************/ #include "H5Fmodule.h" /* This source code file is part of the H5F module */ /***********/ /* Headers */ /***********/ #include "H5private.h" /* Generic Functions */ #include "H5Eprivate.h" /* Error handling */ #include "H5Fpkg.h" /* File access */ #include "H5FDprivate.h" /* File drivers */ #include "H5Iprivate.h" /* IDs */ /****************/ /* Local Macros */ /****************/ /******************/ /* Local Typedefs */ /******************/ /********************/ /* Package Typedefs */ /********************/ /********************/ /* Local Prototypes */ /********************/ /*********************/ /* Package Variables */ /*********************/ /*****************************/ /* Library Private Variables */ /*****************************/ /*******************/ /* Local Variables */ /*******************/ /*------------------------------------------------------------------------- * Function: H5F_block_read * * Purpose: Reads some data from a file/server/etc into a buffer. * The data is contiguous. The address is relative to the base * address for the file. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * matzke@llnl.gov * Jul 10 1997 * *------------------------------------------------------------------------- */ herr_t H5F_block_read(const H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, hid_t dxpl_id, void *buf/*out*/) { H5F_io_info_t fio_info; /* I/O info for operation */ H5FD_mem_t map_type; /* Mapped memory type */ hid_t my_dxpl_id = dxpl_id; /* transfer property to use for I/O */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) #ifdef QAK HDfprintf(stderr, "%s: read from addr = %a, size = %Zu\n", FUNC, addr, size); #endif /* QAK */ HDassert(f); HDassert(f->shared); HDassert(buf); HDassert(H5F_addr_defined(addr)); /* Check for attempting I/O on 'temporary' file address */ if(H5F_addr_le(f->shared->tmp_addr, (addr + size))) HGOTO_ERROR(H5E_IO, H5E_BADRANGE, FAIL, "attempting I/O in temporary file space") /* Treat global heap as raw data */ map_type = (type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : type; #ifdef H5_DEBUG_BUILD /* GHEAP type is treated as RAW, so update the dxpl type property too */ if(H5FD_MEM_GHEAP == type) my_dxpl_id = H5AC_rawdata_dxpl_id; #endif /* H5_DEBUG_BUILD */ /* Set up I/O info for operation */ fio_info.f = f; if(NULL == (fio_info.dxpl = (H5P_genplist_t *)H5I_object(my_dxpl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") /* Pass through metadata accumulator layer */ if(H5F__accum_read(&fio_info, map_type, addr, size, buf) < 0) HGOTO_ERROR(H5E_IO, H5E_READERROR, FAIL, "read through metadata accumulator failed") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_block_read() */ /*------------------------------------------------------------------------- * Function: H5F_block_write * * Purpose: Writes some data from memory to a file/server/etc. The * data is contiguous. The address is relative to the base * address. * * Return: Non-negative on success/Negative on failure * * Programmer: Robb Matzke * matzke@llnl.gov * Jul 10 1997 * *------------------------------------------------------------------------- */ herr_t H5F_block_write(const H5F_t *f, H5FD_mem_t type, haddr_t addr, size_t size, hid_t dxpl_id, const void *buf) { H5F_io_info_t fio_info; /* I/O info for operation */ H5FD_mem_t map_type; /* Mapped memory type */ hid_t my_dxpl_id = dxpl_id; /* transfer property to use for I/O */ herr_t ret_value = SUCCEED; /* Return value */ FUNC_ENTER_NOAPI(FAIL) #ifdef QAK HDfprintf(stderr, "%s: write to addr = %a, size = %Zu\n", FUNC, addr, size); #endif /* QAK */ HDassert(f); HDassert(f->shared); HDassert(H5F_INTENT(f) & H5F_ACC_RDWR); HDassert(buf); HDassert(H5F_addr_defined(addr)); /* Check for attempting I/O on 'temporary' file address */ if(H5F_addr_le(f->shared->tmp_addr, (addr + size))) HGOTO_ERROR(H5E_IO, H5E_BADRANGE, FAIL, "attempting I/O in temporary file space") /* Treat global heap as raw data */ map_type = (type == H5FD_MEM_GHEAP) ? H5FD_MEM_DRAW : type; #ifdef H5_DEBUG_BUILD /* GHEAP type is treated as RAW, so update the dxpl type property too */ if(H5FD_MEM_GHEAP == type) my_dxpl_id = H5AC_rawdata_dxpl_id; #endif /* H5_DEBUG_BUILD */ /* Set up I/O info for operation */ fio_info.f = f; if(NULL == (fio_info.dxpl = (H5P_genplist_t *)H5I_object(my_dxpl_id))) HGOTO_ERROR(H5E_ARGS, H5E_BADTYPE, FAIL, "can't get property list") /* Pass through metadata accumulator layer */ if(H5F__accum_write(&fio_info, map_type, addr, size, buf) < 0) HGOTO_ERROR(H5E_IO, H5E_WRITEERROR, FAIL, "write through metadata accumulator failed") done: FUNC_LEAVE_NOAPI(ret_value) } /* end H5F_block_write() */