/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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 COPYING file, which can be found at the root of the source code * * distribution tree, or in https://support.hdfgroup.org/ftp/HDF5/releases. * * If you do not have access to either file, you may request a copy from * * help@hdfgroup.org. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ /* * Programmer: Robb Matzke * Monday, November 10, 1997 * * Purpose: Implements a file driver which dispatches I/O requests to * other file drivers depending on the purpose of the address * region being accessed. For instance, all meta-data could be * place in one file while all raw data goes to some other file. * This also serves as an example of coding a complex file driver, * therefore, it should not use any non-public definitions. */ #include #include #include #include "hdf5.h" #ifndef FALSE #define FALSE 0 #endif #ifndef TRUE #define TRUE 1 #endif /* Loop through all mapped files */ #define UNIQUE_MEMBERS_CORE(MAP, ITER, SEEN, LOOPVAR) { \ H5FD_mem_t ITER, LOOPVAR; \ unsigned SEEN[H5FD_MEM_NTYPES]; \ \ memset(SEEN, 0, sizeof SEEN); \ for (ITER=H5FD_MEM_SUPER; ITER0 && LOOPVARsizeof(meta_name) - QK & JK - 2013/01/17 */ strncpy(meta_name, meta_ext, sizeof(meta_name)); meta_name[sizeof(meta_name) - 1] = '\0'; } else sprintf(meta_name, "%%s%s", meta_ext); } else { strncpy(meta_name, "%s.meta", sizeof(meta_name)); meta_name[sizeof(meta_name) - 1] = '\0'; } memb_name[H5FD_MEM_SUPER] = meta_name; /* process raw filename */ if(raw_ext) { if(strstr(raw_ext, "%s")) { /* Note: this doesn't accommodate for when the '%s' in the user's * string is at a position >sizeof(raw_name) - QK & JK - 2013/01/17 */ strncpy(raw_name, raw_ext, sizeof(raw_name)); raw_name[sizeof(raw_name) - 1] = '\0'; } else sprintf(raw_name, "%%s%s", raw_ext); } else { strncpy(raw_name, "%s.raw", sizeof(raw_name)); raw_name[sizeof(raw_name) - 1] = '\0'; } memb_name[H5FD_MEM_DRAW] = raw_name; /* The sizes */ memb_addr[H5FD_MEM_SUPER] = 0; memb_addr[H5FD_MEM_DRAW] = HADDR_MAX/2; return H5Pset_fapl_multi(fapl, memb_map, memb_fapl, memb_name, memb_addr, TRUE); } /*------------------------------------------------------------------------- * Function: H5Pset_fapl_multi * * Purpose: Sets the file access property list FAPL_ID to use the multi * driver. The MEMB_MAP array maps memory usage types to other * memory usage types and is the mechanism which allows the * caller to specify how many files are created. The array * contains H5FD_MEM_NTYPES entries which are either the value * H5FD_MEM_DEFAULT or a memory usage type and the number of * unique values determines the number of files which are * opened. For each memory usage type which will be associated * with a file the MEMB_FAPL array should have a property list * and the MEMB_NAME array should be a name generator (a * printf-style format with a %s which will be replaced with the * name passed to H5FDopen(), usually from H5Fcreate() or * H5Fopen()). * * If RELAX is set then opening an existing file for read-only * access will not fail if some file members are missing. This * allows a file to be accessed in a limited sense if just the * meta data is available. * * Defaults: Default values for each of the optional arguments are: * * memb_map: The default member map has the value * H5FD_MEM_DEFAULT for each element. * * memb_fapl: The value H5P_DEFAULT for each element. * * memb_name: The string `%s-X.h5' where `X' is one of the * letters `s' (H5FD_MEM_SUPER), * `b' (H5FD_MEM_BTREE), `r' (H5FD_MEM_DRAW), * `g' (H5FD_MEM_GHEAP), 'l' (H5FD_MEM_LHEAP), * `o' (H5FD_MEM_OHDR). * * memb_addr: The value HADDR_UNDEF for each element. * * * Example: To set up a multi file access property list which partitions * data into meta and raw files each being 1/2 of the address * space one would say: * * H5FD_mem_t mt, memb_map[H5FD_MEM_NTYPES]; * hid_t memb_fapl[H5FD_MEM_NTYPES]; * const char *memb[H5FD_MEM_NTYPES]; * haddr_t memb_addr[H5FD_MEM_NTYPES]; * * // The mapping... * for (mt=0; mt=H5FD_MEM_NTYPES) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADRANGE, "file resource type out of range", -1) if (H5FD_MEM_DEFAULT==mmt) mmt = mt; /* * All members of MEMB_FAPL must be either defaults or actual file * access property lists. */ if (H5P_DEFAULT!=memb_fapl[mmt] && TRUE!=H5Pisa_class(memb_fapl[mmt], H5P_FILE_ACCESS)) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "file resource type incorrect", -1) /* All names must be defined */ if (!memb_name[mmt] || !memb_name[mmt][0]) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "file resource type not set", -1) } /* * Initialize driver specific information. No need to copy it into the FA * struct since all members will be copied by H5Pset_driver(). */ memset(&fa, 0, sizeof(H5FD_multi_fapl_t)); memcpy(fa.memb_map, memb_map, H5FD_MEM_NTYPES*sizeof(H5FD_mem_t)); memcpy(fa.memb_fapl, memb_fapl, H5FD_MEM_NTYPES*sizeof(hid_t)); memcpy(fa.memb_name, memb_name, H5FD_MEM_NTYPES*sizeof(char*)); memcpy(fa.memb_addr, memb_addr, H5FD_MEM_NTYPES*sizeof(haddr_t)); fa.relax = relax; /* Patch up H5P_DEFAULT property lists for members */ for (mt=H5FD_MEM_DEFAULT; mtmemb_map, H5FD_MEM_NTYPES*sizeof(H5FD_mem_t)); if (memb_fapl) { for (mt=H5FD_MEM_DEFAULT; mtmemb_fapl[mt]>=0) memb_fapl[mt] = H5Pcopy(fa->memb_fapl[mt]); else memb_fapl[mt] = fa->memb_fapl[mt]; /*default or bad ID*/ } } if(memb_name) { for(mt = H5FD_MEM_DEFAULT; mt < H5FD_MEM_NTYPES; mt = (H5FD_mem_t)(mt + 1)) { if(fa->memb_name[mt]) memb_name[mt] = my_strdup(fa->memb_name[mt]); else memb_name[mt] = NULL; } } if (memb_addr) memcpy(memb_addr, fa->memb_addr, H5FD_MEM_NTYPES*sizeof(haddr_t)); if (relax) *relax = fa->relax; return 0; } /*------------------------------------------------------------------------- * Function: H5FD_multi_sb_size * * Purpose: Returns the size of the private information to be stored in * the superblock. * * Return: Success: The super block driver data size. * * Failure: never fails * * Programmer: Robb Matzke * Monday, August 16, 1999 * *------------------------------------------------------------------------- */ static hsize_t H5FD_multi_sb_size(H5FD_t *_file) { H5FD_multi_t *file = (H5FD_multi_t*)_file; unsigned nseen = 0; hsize_t nbytes = 8; /*size of header*/ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* How many unique files? */ UNIQUE_MEMBERS(file->fa.memb_map, mt) { nseen++; } END_MEMBERS; /* Addresses and EOA markers */ nbytes += nseen * 2 * 8; /* Name templates */ UNIQUE_MEMBERS(file->fa.memb_map, mt) { size_t n = strlen(file->fa.memb_name[mt])+1; nbytes += (n+7) & ~((size_t)0x0007); } END_MEMBERS; return nbytes; } /*------------------------------------------------------------------------- * Function: H5FD_multi_sb_encode * * Purpose: Encode driver information for the superblock. The NAME * argument is a nine-byte buffer which will be initialized with * an eight-character name/version number and null termination. * * The encoding is a six-byte member mapping followed two bytes * which are unused. For each unique file in usage-type order * encode all the starting addresses as unsigned 64-bit integers, * then all the EOA values as unsigned 64-bit integers, then all * the template names as null terminated strings which are * multiples of 8 characters. * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Monday, August 16, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_sb_encode(H5FD_t *_file, char *name/*out*/, unsigned char *buf/*out*/) { H5FD_multi_t *file = (H5FD_multi_t*)_file; haddr_t memb_eoa; unsigned char *p; size_t nseen; size_t i; H5FD_mem_t m; static const char *func="H5FD_multi_sb_encode"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Name and version number */ strncpy(name, "NCSAmulti", (size_t)8); name[8] = '\0'; assert(7==H5FD_MEM_NTYPES); for (m=H5FD_MEM_SUPER; mfa.memb_map[m]; } buf[6] = 0; buf[7] = 0; /* * Copy the starting addresses and EOA values into the buffer in order of * usage type but only for types which map to something unique. */ /* Encode all starting addresses and EOA values */ nseen = 0; p = buf+8; assert(sizeof(haddr_t)<=8); UNIQUE_MEMBERS(file->fa.memb_map, mt) { memcpy(p, &(file->fa.memb_addr[mt]), sizeof(haddr_t)); p += sizeof(haddr_t); memb_eoa = H5FDget_eoa(file->memb[mt], mt); memcpy(p, &memb_eoa, sizeof(haddr_t)); p += sizeof(haddr_t); nseen++; } END_MEMBERS; if (H5Tconvert(H5T_NATIVE_HADDR, H5T_STD_U64LE, nseen*2, buf+8, NULL, H5P_DEFAULT)<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_DATATYPE, H5E_CANTCONVERT, "can't convert superblock info", -1) /* Encode all name templates */ p = buf + 8 + nseen*2*8; UNIQUE_MEMBERS(file->fa.memb_map, mt) { size_t n = strlen(file->fa.memb_name[mt]) + 1; strncpy((char *)p, file->fa.memb_name[mt], n); p += n; for (i=n; i%8; i++) *p++ = '\0'; } END_MEMBERS; return 0; } /* end H5FD_multi_sb_encode() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_sb_decode * * Purpose: Decodes the superblock information for this driver. The NAME * argument is the eight-character (plus null termination) name * stored in the file. * * The FILE argument is updated according to the information in * the superblock. This may mean that some member files are * closed and others are opened. * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Monday, August 16, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_sb_decode(H5FD_t *_file, const char *name, const unsigned char *buf) { H5FD_multi_t *file = (H5FD_multi_t*)_file; char x[2*H5FD_MEM_NTYPES*8]; H5FD_mem_t map[H5FD_MEM_NTYPES]; int i; size_t nseen=0; hbool_t map_changed=FALSE; hbool_t in_use[H5FD_MEM_NTYPES]; const char *memb_name[H5FD_MEM_NTYPES]; haddr_t memb_addr[H5FD_MEM_NTYPES]; haddr_t memb_eoa[H5FD_MEM_NTYPES]; haddr_t *ap; static const char *func="H5FD_multi_sb_decode"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Make sure the name/version number is correct */ if (strcmp(name, "NCSAmult")) H5Epush_ret(func, H5E_ERR_CLS, H5E_FILE, H5E_BADVALUE, "invalid multi superblock", -1) /* Set default values */ ALL_MEMBERS(mt) { memb_addr[mt] = HADDR_UNDEF; memb_eoa[mt] = HADDR_UNDEF; memb_name[mt] = NULL; } END_MEMBERS; /* * Read the map and count the unique members. */ memset(map, 0, sizeof map); for (i=0; i<6; i++) { map[i+1] = (H5FD_mem_t)buf[i]; if (file->fa.memb_map[i+1]!=map[i+1]) map_changed=TRUE; } UNIQUE_MEMBERS(map, mt) { nseen++; } END_MEMBERS; buf += 8; /* Decode Address and EOA values */ assert(sizeof(haddr_t)<=8); memcpy(x, buf, (nseen*2*8)); buf += nseen*2*8; if (H5Tconvert(H5T_STD_U64LE, H5T_NATIVE_HADDR, nseen*2, x, NULL, H5P_DEFAULT)<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_DATATYPE, H5E_CANTCONVERT, "can't convert superblock info", -1) ap = (haddr_t*)((void *)x); /* Extra (void *) cast to quiet "cast to create alignment" warning - 2019/07/05, QAK */ UNIQUE_MEMBERS(map, mt) { memb_addr[_unmapped] = *ap++; memb_eoa[_unmapped] = *ap++; } END_MEMBERS; /* Decode name templates */ UNIQUE_MEMBERS(map, mt) { size_t n = strlen((const char *)buf)+1; memb_name[_unmapped] = (const char *)buf; buf += (n+7) & ~((unsigned)0x0007); } END_MEMBERS; /* * Use the mapping saved in the superblock in preference to the one * already set for the file. Since we may have opened files which are no * longer needed we should close all those files. We'll open the new * files at the end. */ if (map_changed) { /* Commit map */ ALL_MEMBERS(mt) { file->fa.memb_map[mt] = map[mt]; } END_MEMBERS; /* Close files which are unused now */ memset(in_use, 0, sizeof in_use); UNIQUE_MEMBERS(map, mt) { in_use[mt] = TRUE; } END_MEMBERS; ALL_MEMBERS(mt) { if (!in_use[mt] && file->memb[mt]) { (void)H5FDclose(file->memb[mt]); file->memb[mt] = NULL; } file->fa.memb_map[mt] = map[mt]; } END_MEMBERS; } /* Commit member starting addresses and name templates */ ALL_MEMBERS(mt) { file->fa.memb_addr[mt] = memb_addr[mt]; if (memb_name[mt]) { if (file->fa.memb_name[mt]) free(file->fa.memb_name[mt]); file->fa.memb_name[mt] = my_strdup(memb_name[mt]); } } END_MEMBERS; if (compute_next(file)<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "compute_next() failed", -1) /* Open all necessary files */ if (open_members(file)<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "open_members() failed", -1) /* Set the EOA marker for all open files */ UNIQUE_MEMBERS(file->fa.memb_map, mt) { if (file->memb[mt]) if(H5FDset_eoa(file->memb[mt], mt, memb_eoa[mt])<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_CANTSET, "set_eoa() failed", -1) /* Save the individual EOAs in one place for later comparison (in H5FD_multi_set_eoa) */ file->memb_eoa[mt] = memb_eoa[mt]; } END_MEMBERS; return 0; } /* end H5FD_multi_sb_decode() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_fapl_get * * Purpose: Returns a file access property list which indicates how the * 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: Robb Matzke * Friday, August 13, 1999 * *------------------------------------------------------------------------- */ static void * H5FD_multi_fapl_get(H5FD_t *_file) { H5FD_multi_t *file = (H5FD_multi_t*)_file; /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); return H5FD_multi_fapl_copy(&(file->fa)); } /*------------------------------------------------------------------------- * Function: H5FD_multi_fapl_copy * * Purpose: Copies the multi-specific file access properties. * * Return: Success: Ptr to a new property list * * Failure: NULL * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static void * H5FD_multi_fapl_copy(const void *_old_fa) { const H5FD_multi_fapl_t *old_fa = (const H5FD_multi_fapl_t*)_old_fa; H5FD_multi_fapl_t *new_fa = (H5FD_multi_fapl_t *)calloc(1, sizeof(H5FD_multi_fapl_t)); int nerrors = 0; static const char *func="H5FD_multi_fapl_copy"; /* Function Name for error reporting */ assert(new_fa); /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); memcpy(new_fa, old_fa, sizeof(H5FD_multi_fapl_t)); ALL_MEMBERS(mt) { if (old_fa->memb_fapl[mt]>=0) { if (H5Iinc_ref(old_fa->memb_fapl[mt]) < 0) { nerrors++; break; } new_fa->memb_fapl[mt] = old_fa->memb_fapl[mt]; } if (old_fa->memb_name[mt]) { new_fa->memb_name[mt] = my_strdup(old_fa->memb_name[mt]); if (NULL == new_fa->memb_name[mt]) { nerrors++; break; } } } END_MEMBERS; if (nerrors) { ALL_MEMBERS(mt) { if (new_fa->memb_fapl[mt]>=0) (void)H5Idec_ref(new_fa->memb_fapl[mt]); if (new_fa->memb_name[mt]) free(new_fa->memb_name[mt]); } END_MEMBERS; free(new_fa); H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "can't release object on error", NULL) } return new_fa; } /*------------------------------------------------------------------------- * Function: H5FD_multi_fapl_free * * Purpose: Frees the multi-specific file access properties. * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_fapl_free(void *_fa) { H5FD_multi_fapl_t *fa = (H5FD_multi_fapl_t*)_fa; static const char *func="H5FD_multi_fapl_free"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); ALL_MEMBERS(mt) { if (fa->memb_fapl[mt]>=0) if(H5Idec_ref(fa->memb_fapl[mt])<0) H5Epush_ret(func, H5E_ERR_CLS, H5E_FILE, H5E_CANTCLOSEOBJ, "can't close property list", -1) if (fa->memb_name[mt]) free(fa->memb_name[mt]); } END_MEMBERS; free(fa); return 0; } /*------------------------------------------------------------------------- * Function: H5FD_multi_open * * Purpose: Creates and/or opens a multi 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 * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static H5FD_t * H5FD_multi_open(const char *name, unsigned flags, hid_t fapl_id, haddr_t maxaddr) { H5FD_multi_t *file=NULL; hid_t close_fapl=-1; const H5FD_multi_fapl_t *fa; H5FD_mem_t m; static const char *func="H5FD_multi_open"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Check arguments */ if (!name || !*name) H5Epush_ret(func, H5E_ERR_CLS, H5E_ARGS, H5E_BADVALUE, "invalid file name", NULL) if (0 == maxaddr || HADDR_UNDEF == maxaddr) H5Epush_ret(func, H5E_ERR_CLS, H5E_ARGS, H5E_BADRANGE, "bogus maxaddr", NULL) /* * Initialize the file from the file access properties, using default * values if necessary. Make sure to use CALLOC here because the code * in H5FD_multi_set_eoa depends on the proper initialization of memb_eoa * in H5FD_multi_t. */ if(NULL == (file = (H5FD_multi_t *)calloc((size_t)1, sizeof(H5FD_multi_t)))) H5Epush_ret(func, H5E_ERR_CLS, H5E_RESOURCE, H5E_NOSPACE, "memory allocation failed", NULL) if(H5P_FILE_ACCESS_DEFAULT == fapl_id || H5FD_MULTI != H5Pget_driver(fapl_id)) { close_fapl = fapl_id = H5Pcreate(H5P_FILE_ACCESS); if(H5Pset_fapl_multi(fapl_id, NULL, NULL, NULL, NULL, TRUE) < 0) H5Epush_goto(func, H5E_ERR_CLS, H5E_FILE, H5E_CANTSET, "can't set property value", error) } fa = (const H5FD_multi_fapl_t *)H5Pget_driver_info(fapl_id); assert(fa); ALL_MEMBERS(mt) { file->fa.memb_map[mt] = fa->memb_map[mt]; file->fa.memb_addr[mt] = fa->memb_addr[mt]; if (fa->memb_fapl[mt] >= 0) H5Iinc_ref(fa->memb_fapl[mt]); file->fa.memb_fapl[mt] = fa->memb_fapl[mt]; if (fa->memb_name[mt]) file->fa.memb_name[mt] = my_strdup(fa->memb_name[mt]); else file->fa.memb_name[mt] = NULL; } END_MEMBERS; file->fa.relax = fa->relax; file->flags = flags; file->name = my_strdup(name); if (close_fapl >= 0) if(H5Pclose(close_fapl) < 0) H5Epush_goto(func, H5E_ERR_CLS, H5E_FILE, H5E_CANTCLOSEOBJ, "can't close property list", error) /* Compute derived properties and open member files */ if (compute_next(file) < 0) H5Epush_goto(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "compute_next() failed", error); if (open_members(file) < 0) H5Epush_goto(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "open_members() failed", error); /* We must have opened at least the superblock file */ if (H5FD_MEM_DEFAULT == (m = file->fa.memb_map[H5FD_MEM_SUPER])) m = H5FD_MEM_SUPER; if (NULL == file->memb[m]) goto error; return (H5FD_t*)file; error: /* Cleanup and fail */ if (file) { ALL_MEMBERS(mt) { if (file->memb[mt]) (void)H5FDclose(file->memb[mt]); if (file->fa.memb_fapl[mt] >= 0) (void)H5Idec_ref(file->fa.memb_fapl[mt]); if (file->fa.memb_name[mt]) free(file->fa.memb_name[mt]); } END_MEMBERS; if (file->name) free(file->name); free(file); } return NULL; } /*------------------------------------------------------------------------- * Function: H5FD_multi_close * * Purpose: Closes a multi file. * * Return: Success: Non-negative * * Failure: Negative with as many members closed as * possible. The only subsequent operation * permitted on the file is a close operation. * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_close(H5FD_t *_file) { H5FD_multi_t *file = (H5FD_multi_t*)_file; int nerrors=0; static const char *func="H5FD_multi_close"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Close as many members as possible */ ALL_MEMBERS(mt) { if (file->memb[mt]) { if (H5FDclose(file->memb[mt])<0) { nerrors++; } else { file->memb[mt] = NULL; } } } END_MEMBERS; if (nerrors) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "error closing member files", -1) /* Clean up other stuff */ ALL_MEMBERS(mt) { if (file->fa.memb_fapl[mt]>=0) (void)H5Idec_ref(file->fa.memb_fapl[mt]); if (file->fa.memb_name[mt]) free(file->fa.memb_name[mt]); } END_MEMBERS; free(file->name); free(file); return 0; } /*------------------------------------------------------------------------- * Function: H5FD_multi_cmp * * Purpose: Compares two file families to see if they are the same. It * does this by comparing the first common member of the two * families. If the families have no members in common then the * file with the earliest member is smaller than the other file. * We abort if neither file has any members. * * Return: Success: like strcmp() * * Failure: never fails (arguments were checked by the * caller). * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static int H5FD_multi_cmp(const H5FD_t *_f1, const H5FD_t *_f2) { const H5FD_multi_t *f1 = (const H5FD_multi_t*)_f1; const H5FD_multi_t *f2 = (const H5FD_multi_t*)_f2; H5FD_mem_t out_mt = H5FD_MEM_DEFAULT; int cmp=0; /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); ALL_MEMBERS(mt) { out_mt = mt; if(f1->memb[mt] && f2->memb[mt]) break; if(!cmp) { if(f1->memb[mt]) cmp = -1; else if(f2->memb[mt]) cmp = 1; } } END_MEMBERS; assert(cmp || out_mt=H5FD_MEM_NTYPES) return cmp; return H5FDcmp(f1->memb[out_mt], f2->memb[out_mt]); } /*------------------------------------------------------------------------- * Function: H5FD_multi_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 * Tuesday, September 26, 2000 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_query(const H5FD_t *_f, unsigned long *flags /* out */) { /* Shut compiler up */ _f=_f; /* Set the VFL feature flags that this driver supports */ if(flags) { *flags = 0; *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 */ *flags |= H5FD_FEAT_USE_ALLOC_SIZE; /* OK just pass the allocation size to the alloc callback */ *flags |= H5FD_FEAT_PAGED_AGGR; /* OK special file space mapping for paged aggregation */ } /* end if */ return(0); } /* end H5FD_multi_query() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_get_type_map * * Purpose: Retrieve the memory type mapping for this file * * Return: Success: non-negative * Failure: negative * * Programmer: Quincey Koziol * Tuesday, October 9, 2008 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_get_type_map(const H5FD_t *_file, H5FD_mem_t *type_map) { const H5FD_multi_t *file = (const H5FD_multi_t*)_file; /* Copy file's free space type mapping */ memcpy(type_map, file->fa.memb_map, sizeof(file->fa.memb_map)); return(0); } /* end H5FD_multi_get_type_map() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_get_eoa * * Purpose: Returns 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 * Wednesday, August 4, 1999 * * Modifications: * Raymond Lu * 21 Dec. 2006 * Added the parameter TYPE. It's only used for MULTI driver. * If the TYPE is H5FD_MEM_DEFAULT, simply find the biggest * EOA of individual file because the EOA for the whole file * is meaningless. * *------------------------------------------------------------------------- */ static haddr_t H5FD_multi_get_eoa(const H5FD_t *_file, H5FD_mem_t type) { const H5FD_multi_t *file = (const H5FD_multi_t*)_file; haddr_t eoa = 0; static const char *func="H5FD_multi_get_eoa"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* The library used to have EOA for the whole file. But it's * taken out because it makes little sense for MULTI files. * However, the library sometimes queries it through H5F_get_eoa. * Here the code finds the biggest EOA for individual file if * the query is for TYPE == H5FD_MEM_DEFAULT. */ if(H5FD_MEM_DEFAULT == type) { UNIQUE_MEMBERS(file->fa.memb_map, mt) { haddr_t memb_eoa; if (file->memb[mt]) { /* Retrieve EOA */ H5E_BEGIN_TRY { memb_eoa = H5FDget_eoa(file->memb[mt], mt); } H5E_END_TRY; if(HADDR_UNDEF == memb_eoa) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eoa", HADDR_UNDEF) if(memb_eoa>0) memb_eoa += file->fa.memb_addr[mt]; } else if(file->fa.relax) { /* * The member is not open yet (maybe it doesn't exist). Make the * best guess about the end-of-file. */ memb_eoa = file->memb_next[mt]; assert(HADDR_UNDEF != memb_eoa); } else { H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eoa", HADDR_UNDEF) } if(memb_eoa > eoa) eoa = memb_eoa; } END_MEMBERS; } else { H5FD_mem_t mmt = file->fa.memb_map[type]; if(H5FD_MEM_DEFAULT == mmt) mmt = type; if(file->memb[mmt]) { H5E_BEGIN_TRY { eoa = H5FDget_eoa(file->memb[mmt], mmt); } H5E_END_TRY; if(HADDR_UNDEF == eoa) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eoa", HADDR_UNDEF) if(eoa > 0) eoa += file->fa.memb_addr[mmt]; } else if(file->fa.relax) { /* * The member is not open yet (maybe it doesn't exist). Make the * best guess about the end-of-file. */ eoa = file->memb_next[mmt]; assert(HADDR_UNDEF != eoa); } else { H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eoa", HADDR_UNDEF) } } return eoa; } /* end H5FD_multi_get_eoa() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_set_eoa * * Purpose: Set the end-of-address marker for the file by savig the new * EOA value in the file struct. Also set the EOA marker for the * subfile in which the new EOA value falls. We don't set the * EOA values of any other subfiles. * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * * Modifications: * Raymond Lu * 10 January 2007 * EOA for the whole file is discarded because it's meaningless * for MULTI file. This function only sets eoa for individual * file. * * Raymond Lu * 21 June 2011 * Backward compatibility of EOA. Please the comment in the * code. *------------------------------------------------------------------------- */ static herr_t H5FD_multi_set_eoa(H5FD_t *_file, H5FD_mem_t type, haddr_t eoa) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mmt; herr_t status; static const char *func="H5FD_multi_set_eoa"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); mmt = file->fa.memb_map[type]; if(H5FD_MEM_DEFAULT == mmt) { if(H5FD_MEM_DEFAULT == type) mmt = H5FD_MEM_SUPER; else mmt = type; } /* end if */ /* Handle backward compatibility in a quick and simple way. v1.6 library * had EOA for the entire virtual file. But it wasn't meaningful. So v1.8 * library doesn't have it anymore. It saves the EOA for the metadata file, * instead. Here we try to figure out whether the EOA is from a v1.6 file * by comparing its value. If it is a big value, we assume it's from v1.6 * and simply discard it. This is the normal case when the metadata file * has the smallest starting address. If the metadata file has the biggest * address, the EOAs of v1.6 and v1.8 files are the same. It won't cause * any trouble. (Please see Issue 2598 in Jira) SLU - 2011/6/21 */ if(H5FD_MEM_SUPER == mmt && file->memb_eoa[H5FD_MEM_SUPER] > 0 && eoa > (file->memb_next[H5FD_MEM_SUPER] / 2)) return 0; assert(eoa >= file->fa.memb_addr[mmt]); assert(eoa < file->memb_next[mmt]); H5E_BEGIN_TRY { status = H5FDset_eoa(file->memb[mmt], mmt, (eoa - file->fa.memb_addr[mmt])); } H5E_END_TRY; if(status < 0) H5Epush_ret(func, H5E_ERR_CLS, H5E_FILE, H5E_BADVALUE, "member H5FDset_eoa failed", -1) return 0; } /* end H5FD_multi_set_eoa() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_get_eof * * Purpose: Returns the end-of-file marker, which is the greater of * either the total multi size or the current EOA marker. * * Return: Success: End of file address, the first address past * the end of the multi of files or the current * EOA, whichever is larger. * * Failure: HADDR_UNDEF * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static haddr_t H5FD_multi_get_eof(const H5FD_t *_file, H5FD_mem_t type) { const H5FD_multi_t *file = (const H5FD_multi_t*)_file; haddr_t eof = 0; static const char *func="H5FD_multi_get_eof"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); if(H5FD_MEM_DEFAULT == type) { UNIQUE_MEMBERS(file->fa.memb_map, mt) { haddr_t tmp_eof; if(file->memb[mt]) { /* Retrieve EOF */ H5E_BEGIN_TRY { tmp_eof = H5FDget_eof(file->memb[mt], type); } H5E_END_TRY; if(HADDR_UNDEF == tmp_eof) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eof", HADDR_UNDEF) if(tmp_eof > 0) tmp_eof += file->fa.memb_addr[mt]; } else if(file->fa.relax) { /* * The member is not open yet (maybe it doesn't exist). Make the * best guess about the end-of-file. */ tmp_eof = file->memb_next[mt]; assert(HADDR_UNDEF != tmp_eof); } else { H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eof", HADDR_UNDEF) } if(tmp_eof > eof) eof = tmp_eof; } END_MEMBERS; } else { H5FD_mem_t mmt = file->fa.memb_map[type]; if(H5FD_MEM_DEFAULT == mmt) mmt = type; if(file->memb[mmt]) { /* Retrieve EOF */ H5E_BEGIN_TRY { eof = H5FDget_eof(file->memb[mmt], mmt); } H5E_END_TRY; if(HADDR_UNDEF == eof) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file has unknown eof", HADDR_UNDEF) if(eof > 0) eof += file->fa.memb_addr[mmt]; } else if(file->fa.relax) { /* * The member is not open yet (maybe it doesn't exist). Make the * best guess about the end-of-file. */ eof = file->memb_next[mmt]; assert(HADDR_UNDEF != eof); } else { H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "bad eof", HADDR_UNDEF) } } return eof; } /*------------------------------------------------------------------------- * Function: H5FD_multi_get_handle * * Purpose: Returns the file handle of MULTI file driver. * * Returns: Non-negative if succeed or negative if fails. * * Programmer: Raymond Lu * Sept. 16, 2002 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_get_handle(H5FD_t *_file, hid_t fapl, void** file_handle) { H5FD_multi_t *file = (H5FD_multi_t *)_file; H5FD_mem_t type, mmt; static const char *func="H5FD_multi_get_handle"; /* Function Name for error reporting */ /* Get data type for multi driver */ if(H5Pget_multi_type(fapl, &type) < 0) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "can't get data type for multi driver", -1) if(type=H5FD_MEM_NTYPES) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "data type is out of range", -1) mmt = file->fa.memb_map[type]; if(H5FD_MEM_DEFAULT==mmt) mmt = type; return (H5FDget_vfd_handle(file->memb[mmt], fapl, file_handle)); } /*------------------------------------------------------------------------- * Function: H5FD_multi_alloc * * Purpose: Allocate file memory. * * Return: Success: Address of new memory * * Failure: HADDR_UNDEF * * Programmer: Robb Matzke * Thursday, August 12, 1999 * *------------------------------------------------------------------------- */ static haddr_t H5FD_multi_alloc(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, hsize_t size) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mmt; haddr_t addr; static const char *func="H5FD_multi_alloc"; /* Function Name for error reporting */ mmt = file->fa.memb_map[type]; if (H5FD_MEM_DEFAULT==mmt) mmt = type; /* XXX: NEED to work on this again */ if(file->pub.paged_aggr) { ALL_MEMBERS(mt) { if(file->memb[mt]) file->memb[mt]->paged_aggr = file->pub.paged_aggr; } END_MEMBERS; } if (HADDR_UNDEF==(addr=H5FDalloc(file->memb[mmt], mmt, dxpl_id, size))) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "member file can't alloc", HADDR_UNDEF) addr += file->fa.memb_addr[mmt]; /*#ifdef TMP if ( addr + size > file->eoa ) { if ( H5FD_multi_set_eoa(_file, addr + size) < 0 ) { H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, \ "can't set eoa", HADDR_UNDEF) } } #else if ( addr + size > file->eoa ) file->eoa = addr + size; #endif */ return addr; } /*------------------------------------------------------------------------- * Function: H5FD_multi_free * * Purpose: Frees memory * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Thursday, August 12, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_free(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, hsize_t size) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mmt; /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); mmt = file->fa.memb_map[type]; if (H5FD_MEM_DEFAULT==mmt) mmt = type; assert(addr>=file->fa.memb_addr[mmt]); assert(addr+size<=file->memb_next[mmt]); return H5FDfree(file->memb[mmt], mmt, dxpl_id, addr-file->fa.memb_addr[mmt], size); } /*------------------------------------------------------------------------- * Function: H5FD_multi_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 * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_read(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, void *_buf/*out*/) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mt, mmt, hi = H5FD_MEM_DEFAULT; haddr_t start_addr = 0; /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Find the file to which this address belongs */ for(mt = H5FD_MEM_SUPER; mt < H5FD_MEM_NTYPES; mt = (H5FD_mem_t)(mt + 1)) { mmt = file->fa.memb_map[mt]; if(H5FD_MEM_DEFAULT == mmt) mmt = mt; assert(mmt > 0 && mmt < H5FD_MEM_NTYPES); if(file->fa.memb_addr[mmt] > addr) continue; if(file->fa.memb_addr[mmt] >= start_addr) { start_addr = file->fa.memb_addr[mmt]; hi = mmt; } /* end if */ } /* end for */ assert(hi > 0); /* Read from that member */ return H5FDread(file->memb[hi], type, dxpl_id, addr - start_addr, size, _buf); } /* end H5FD_multi_read() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_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 * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_write(H5FD_t *_file, H5FD_mem_t type, hid_t dxpl_id, haddr_t addr, size_t size, const void *_buf) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mt, mmt, hi = H5FD_MEM_DEFAULT; haddr_t start_addr = 0; /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Find the file to which this address belongs */ for(mt = H5FD_MEM_SUPER; mt < H5FD_MEM_NTYPES; mt = (H5FD_mem_t)(mt + 1)) { mmt = file->fa.memb_map[mt]; if(H5FD_MEM_DEFAULT == mmt) mmt = mt; assert(mmt > 0 && mmtfa.memb_addr[mmt] > addr) continue; if(file->fa.memb_addr[mmt] >= start_addr) { start_addr = file->fa.memb_addr[mmt]; hi = mmt; } /* end if */ } /* end for */ assert(hi > 0); /* Write to that member */ return H5FDwrite(file->memb[hi], type, dxpl_id, addr - start_addr, size, _buf); } /* end H5FD_multi_write() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_flush * * Purpose: Flushes all multi members. * * Return: Success: 0 * * Failure: -1, as many files flushed as possible. * * Programmer: Robb Matzke * Wednesday, August 4, 1999 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_flush(H5FD_t *_file, hid_t dxpl_id, hbool_t closing) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mt; int nerrors=0; static const char *func="H5FD_multi_flush"; /* Function Name for error reporting */ #if 0 H5FD_mem_t mmt; /* Debugging stuff... */ fprintf(stderr, "multifile access information:\n"); /* print the map */ fprintf(stderr, " map="); for (mt=1; mtmemb_map[mt]; if (H5FD_MEM_DEFAULT==mmt) mmt = mt; fprintf(stderr, "%s%d", 1==mt?"":",", (int)mmt); } fprintf(stderr, "\n"); /* print info about each file */ fprintf(stderr, " File Starting Allocated Next Member\n"); fprintf(stderr, " Number Address Size Address Name\n"); fprintf(stderr, " ------ -------------------- -------------------- -------------------- ------------------------------\n"); for (mt=1; mtmemb_addr[mt]) { haddr_t eoa = H5FDget_eoa(file->memb[mt], mt); fprintf(stderr, " %6d %20llu %20llu %20llu %s\n", (int)mt, (unsigned long long)(file->memb_addr[mt]), (unsigned long long)eoa, (unsigned long long)(file->memb_next[mt]), file->memb_name[mt]); } } #endif /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Flush each file */ for (mt=H5FD_MEM_SUPER; mtmemb[mt]) { H5E_BEGIN_TRY { if (H5FDflush(file->memb[mt],dxpl_id,closing)<0) nerrors++; } H5E_END_TRY; } } if (nerrors) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "error flushing member files", -1) return 0; } /*------------------------------------------------------------------------- * Function: H5FD_multi_truncate * * Purpose: Truncates all multi members. * * Return: Success: 0 * Failure: -1, as many files truncated as possible. * * Programmer: Quincey Koziol * Thursday, January 31, 2008 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_truncate(H5FD_t *_file, hid_t dxpl_id, hbool_t closing) { H5FD_multi_t *file = (H5FD_multi_t*)_file; H5FD_mem_t mt; int nerrors=0; static const char *func="H5FD_multi_truncate"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Truncate each file */ for(mt = H5FD_MEM_SUPER; mt < H5FD_MEM_NTYPES; mt = (H5FD_mem_t)(mt + 1)) { if(file->memb[mt]) { H5E_BEGIN_TRY { if(H5FDtruncate(file->memb[mt], dxpl_id, closing) < 0) nerrors++; } H5E_END_TRY; } } if(nerrors) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "error truncating member files", -1) return 0; } /* end H5FD_multi_truncate() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_lock * * Purpose: Place a lock on all multi members. * When there is error in locking a member file, it will not * proceed further and will try to remove the locks of those * member files that are locked before error is encountered. * * Return: Success: 0 * Failure: -1 * * Programmer: Vailin Choi; March 2015 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_lock(H5FD_t *_file, hbool_t rw) { H5FD_multi_t *file = (H5FD_multi_t*)_file; int nerrors = 0; H5FD_mem_t out_mt; static const char *func="H5FD_multi_unlock"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); /* Lock all member files */ ALL_MEMBERS(mt) { out_mt = mt; if(file->memb[mt]) { H5E_BEGIN_TRY { if(H5FDlock(file->memb[mt], rw) < 0) { nerrors++; break; } /* end if */ } H5E_END_TRY; } /* end if */ } END_MEMBERS; /* Try to unlock the member files that are locked before error is encountered */ if(nerrors) { H5FD_mem_t k; for(k = H5FD_MEM_DEFAULT; k < out_mt; k = (H5FD_mem_t)(k + 1)) { H5E_BEGIN_TRY { if(H5FDunlock(file->memb[k]) < 0) nerrors++; } H5E_END_TRY; } /* end for */ } /* end if */ if(nerrors) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "error locking member files", -1) return 0; } /* H5FD_multi_lock() */ /*------------------------------------------------------------------------- * Function: H5FD_multi_unlock * * Purpose: Remove the lock on all multi members. * It will try to unlock all member files but will record error * encountered. * * Return: Success: 0 * Failure: -1 * * Programmer: Vailin Choi; March 2015 * *------------------------------------------------------------------------- */ static herr_t H5FD_multi_unlock(H5FD_t *_file) { H5FD_multi_t *file = (H5FD_multi_t*)_file; int nerrors=0; static const char *func="H5FD_multi_unlock"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); ALL_MEMBERS(mt) { if(file->memb[mt]) if(H5FDunlock(file->memb[mt]) < 0) nerrors++; } END_MEMBERS; if(nerrors) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "error unlocking member files", -1) return 0; } /* H5FD_multi_unlock() */ /*------------------------------------------------------------------------- * Function: compute_next * * Purpose: Compute the memb_next[] values of the file based on the * file's member map and the member starting addresses. * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Monday, August 23, 1999 * *------------------------------------------------------------------------- */ static int compute_next(H5FD_multi_t *file) { /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); ALL_MEMBERS(mt) { file->memb_next[mt] = HADDR_UNDEF; } END_MEMBERS; UNIQUE_MEMBERS(file->fa.memb_map, mt1) { UNIQUE_MEMBERS2(file->fa.memb_map, mt2) { if (file->fa.memb_addr[mt1]fa.memb_addr[mt2] && (HADDR_UNDEF==file->memb_next[mt1] || file->memb_next[mt1]>file->fa.memb_addr[mt2])) { file->memb_next[mt1] = file->fa.memb_addr[mt2]; } } END_MEMBERS; if (HADDR_UNDEF==file->memb_next[mt1]) { file->memb_next[mt1] = HADDR_MAX; /*last member*/ } } END_MEMBERS; return 0; } /*------------------------------------------------------------------------- * Function: open_members * * Purpose: Opens all members which are not opened yet. * * Return: Success: 0 * * Failure: -1 * * Programmer: Robb Matzke * Monday, August 23, 1999 * *------------------------------------------------------------------------- */ /* Disable warning for "format not a string literal" here -QAK */ /* * This pragma only needs to surround the snprintf() call with * tmp in the code below, but early (4.4.7, at least) gcc only * allows diagnostic pragmas to be toggled outside of functions. */ #pragma GCC diagnostic push #pragma GCC diagnostic ignored "-Wformat-nonliteral" static int open_members(H5FD_multi_t *file) { char tmp[H5FD_MULT_MAX_FILE_NAME_LEN]; int nerrors=0; static const char *func="(H5FD_multi)open_members"; /* Function Name for error reporting */ /* Clear the error stack */ H5Eclear2(H5E_DEFAULT); UNIQUE_MEMBERS(file->fa.memb_map, mt) { if(file->memb[mt]) continue; /*already open*/ assert(file->fa.memb_name[mt]); /* Note: This truncates the user's filename down to only sizeof(tmp) * characters. -QK & JK, 2013/01/17 */ snprintf(tmp, sizeof(tmp), file->fa.memb_name[mt], file->name); tmp[sizeof(tmp) - 1] = '\0'; H5E_BEGIN_TRY { file->memb[mt] = H5FDopen(tmp, file->flags, file->fa.memb_fapl[mt], HADDR_UNDEF); } H5E_END_TRY; if(!file->memb[mt]) { if(!file->fa.relax || (file->flags & H5F_ACC_RDWR)) nerrors++; } } END_MEMBERS; if (nerrors) H5Epush_ret(func, H5E_ERR_CLS, H5E_INTERNAL, H5E_BADVALUE, "error opening member files", -1) return 0; } #pragma GCC diagnostic pop #ifdef _H5private_H /* * This is not related to the functionality of the driver code. * It is added here to trigger warning if HDF5 private definitions are included * by mistake. The code should use only HDF5 public API and definitions. */ #error "Do not use HDF5 private definitions" #endif