/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 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. * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ #include "H5private.h" #include "h5tools.h" #include "h5tools_utils.h" #include "h5diff.h" #include "ph5diff.h" /*------------------------------------------------------------------------- * Function: print_objname * * Purpose: check if object name is to be printed, only when: * 1) verbose mode * 2) when diff was found (normal mode) *------------------------------------------------------------------------- */ H5_ATTR_PURE int print_objname (diff_opt_t * opts, hsize_t nfound) { return ((opts->m_verbose || nfound) && !opts->m_quiet) ? 1 : 0; } /*------------------------------------------------------------------------- * Function: do_print_objname * * Purpose: print object name *------------------------------------------------------------------------- */ void do_print_objname (const char *OBJ, const char *path1, const char *path2, diff_opt_t * opts) { /* if verbose level is higher than 0, put space line before * displaying any object or symbolic links. This improves * readability of the output. */ if (opts->m_verbose_level >= 1) parallel_print("\n"); parallel_print("%-7s: <%s> and <%s>\n", OBJ, path1, path2); } /*------------------------------------------------------------------------- * Function: do_print_attrname * * Purpose: print attribute name *------------------------------------------------------------------------- */ void do_print_attrname (const char *attr, const char *path1, const char *path2) { parallel_print("%-7s: <%s> and <%s>\n", attr, path1, path2); } /*------------------------------------------------------------------------- * Function: print_warn * * Purpose: check print warning condition. * Return: * 1 if verbose mode * 0 if not verbos mode *------------------------------------------------------------------------- */ static int print_warn(diff_opt_t *opts) { return ((opts->m_verbose)) ? 1: 0; } #ifdef H5_HAVE_PARALLEL /*------------------------------------------------------------------------- * Function: phdiff_dismiss_workers * * Purpose: tell all workers to end. * * Return: none *------------------------------------------------------------------------- */ void phdiff_dismiss_workers(void) { int i; for (i = 1; i < g_nTasks; i++) MPI_Send(NULL, 0, MPI_BYTE, i, MPI_TAG_END, MPI_COMM_WORLD); } /*------------------------------------------------------------------------- * Function: print_incoming_data * * Purpose: special function that prints any output that has been sent to the manager * and is currently sitting in the incoming message queue * * Return: none *------------------------------------------------------------------------- */ static void print_incoming_data(void) { char data[PRINT_DATA_MAX_SIZE + 1]; int incomingMessage; MPI_Status Status; do { MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_PRINT_DATA, MPI_COMM_WORLD, &incomingMessage, &Status); if(incomingMessage) { HDmemset(data, 0, PRINT_DATA_MAX_SIZE+1); MPI_Recv(data, PRINT_DATA_MAX_SIZE, MPI_CHAR, Status.MPI_SOURCE, MPI_TAG_PRINT_DATA, MPI_COMM_WORLD, &Status); printf("%s", data); } } while(incomingMessage); } #endif /*------------------------------------------------------------------------- * Function: is_valid_options * * Purpose: check if options are valid * * Return: * 1 : Valid * 0 : Not valid *------------------------------------------------------------------------*/ static int is_valid_options(diff_opt_t *opts) { int ret_value = 1; /* init to valid */ /*----------------------------------------------- * no -q(quiet) with -v (verbose) or -r (report) */ if(opts->m_quiet && (opts->m_verbose || opts->m_report)) { parallel_print("Error: -q (quiet mode) cannot be added to verbose or report modes\n"); opts->err_stat = 1; HGOTO_DONE(0); } /* ------------------------------------------------------- * only allow --no-dangling-links along with --follow-symlinks */ if(opts->no_dangle_links && !opts->follow_links) { parallel_print("Error: --no-dangling-links must be used along with --follow-symlinks option.\n"); opts->err_stat = 1; HGOTO_DONE(0); } done: return ret_value; } /*------------------------------------------------------------------------- * Function: is_exclude_path * * Purpose: check if 'paths' are part of exclude path list * * Return: * 1 - excluded path * 0 - not excluded path *------------------------------------------------------------------------*/ static int is_exclude_path (char * path, h5trav_type_t type, diff_opt_t *opts) { struct exclude_path_list * exclude_path_ptr; int ret_cmp; int ret_value = 0; /* check if exclude path option is given */ if (!opts->exclude_path) HGOTO_DONE(0); /* assign to local exclude list pointer */ exclude_path_ptr = opts->exclude; /* search objects in exclude list */ while (NULL != exclude_path_ptr) { /* if exclude path is is group, exclude its members as well */ if (exclude_path_ptr->obj_type == H5TRAV_TYPE_GROUP) { ret_cmp = HDstrncmp(exclude_path_ptr->obj_path, path, HDstrlen(exclude_path_ptr->obj_path)); if (ret_cmp == 0) { /* found matching members */ size_t len_grp; /* check if given path belong to an excluding group, if so * exclude it as well. * This verifies if “/grp1/dset1” is only under “/grp1”, but * not under “/grp1xxx/” group. */ len_grp = HDstrlen(exclude_path_ptr->obj_path); if (path[len_grp] == '/') { /* belong to excluded group! */ ret_value = 1; break; /* while */ } } } /* exclude target is not group, just exclude the object */ else { ret_cmp = HDstrcmp(exclude_path_ptr->obj_path, path); if (ret_cmp == 0) { /* found matching object */ /* excluded non-group object */ ret_value = 1; /* remember the type of this maching object. * if it's group, it can be used for excluding its member * objects in this while() loop */ exclude_path_ptr->obj_type = type; break; /* while */ } } exclude_path_ptr = exclude_path_ptr->next; } done: return ret_value; } /*------------------------------------------------------------------------- * Function: free_exclude_path_list * * Purpose: free exclude object list from diff options *------------------------------------------------------------------------*/ static void free_exclude_path_list(diff_opt_t *opts) { struct exclude_path_list *curr = opts->exclude; struct exclude_path_list *next; while (NULL != curr) { next = curr->next; HDfree(curr); curr = next; } } /*------------------------------------------------------------------------- * Function: build_match_list * * Purpose: get list of matching path_name from info1 and info2 * * Note: * Find common objects; the algorithm used for this search is the * cosequential match algorithm and is described in * Folk, Michael; Zoellick, Bill. (1992). File Structures. Addison-Wesley. * Moved out from diff_match() to make code more flexible. * * Parameter: * table_out [OUT] : return the list *------------------------------------------------------------------------*/ static void build_match_list (const char *objname1, trav_info_t *info1, const char *objname2, trav_info_t *info2, trav_table_t ** table_out, diff_opt_t *opts) { size_t curr1 = 0; size_t curr2 = 0; unsigned infile[2]; char *path1_lp = NULL; char *path2_lp = NULL; h5trav_type_t type1_l; h5trav_type_t type2_l; size_t path1_offset = 0; size_t path2_offset = 0; int cmp; trav_table_t *table = NULL; size_t idx; h5difftrace("build_match_list start\n"); /* init */ trav_table_init(&table); if (table == NULL) H5TOOLS_INFO(H5E_tools_min_id_g, "Cannot create tarverse table"); /* * This is necessary for the case that given objects are group and * have different names (ex: obj1 is /grp1 and obj2 is /grp5). * All the objects belong to given groups are the candidates. * So prepare to compare paths without the group names. */ /* if obj1 is not root */ if (HDstrcmp (objname1,"/") != 0) path1_offset = HDstrlen(objname1); /* if obj2 is not root */ if (HDstrcmp (objname2,"/") != 0) path2_offset = HDstrlen(objname2); /*-------------------------------------------------- * build the list */ while(curr1 < info1->nused && curr2 < info2->nused) { path1_lp = (info1->paths[curr1].path) + path1_offset; path2_lp = (info2->paths[curr2].path) + path2_offset; type1_l = info1->paths[curr1].type; type2_l = info2->paths[curr2].type; /* criteria is string compare */ cmp = HDstrcmp(path1_lp, path2_lp); if(cmp == 0) { if(!is_exclude_path(path1_lp, type1_l, opts)) { infile[0] = 1; infile[1] = 1; trav_table_addflags(infile, path1_lp, info1->paths[curr1].type, table); /* if the two point to the same target object, * mark that in table */ if (info1->paths[curr1].fileno == info2->paths[curr2].fileno && info1->paths[curr1].objno == info2->paths[curr2].objno) { idx = table->nobjs - 1; table->objs[idx].is_same_trgobj = 1; } } curr1++; curr2++; } /* end if */ else if(cmp < 0) { if(!is_exclude_path(path1_lp, type1_l, opts)) { infile[0] = 1; infile[1] = 0; trav_table_addflags(infile, path1_lp, info1->paths[curr1].type, table); } curr1++; } /* end else-if */ else { if (!is_exclude_path(path2_lp, type2_l, opts)) { infile[0] = 0; infile[1] = 1; trav_table_addflags(infile, path2_lp, info2->paths[curr2].type, table); } curr2++; } /* end else */ } /* end while */ /* list1 did not end */ infile[0] = 1; infile[1] = 0; while(curr1 < info1->nused) { path1_lp = (info1->paths[curr1].path) + path1_offset; type1_l = info1->paths[curr1].type; if(!is_exclude_path(path1_lp, type1_l, opts)) { trav_table_addflags(infile, path1_lp, info1->paths[curr1].type, table); } curr1++; } /* end while */ /* list2 did not end */ infile[0] = 0; infile[1] = 1; while(curr2 < info2->nused) { path2_lp = (info2->paths[curr2].path) + path2_offset; type2_l = info2->paths[curr2].type; if (!is_exclude_path(path2_lp, type2_l, opts)) { trav_table_addflags(infile, path2_lp, info2->paths[curr2].type, table); } curr2++; } /* end while */ free_exclude_path_list (opts); *table_out = table; h5difftrace("build_match_list finish\n"); } /*------------------------------------------------------------------------- * Function: trav_grp_objs * * Purpose: Call back function from h5trav_visit(). *------------------------------------------------------------------------*/ static herr_t trav_grp_objs(const char *path, const H5O_info_t *oinfo, const char *already_visited, void *udata) { trav_info_visit_obj(path, oinfo, already_visited, udata); return 0; } /*------------------------------------------------------------------------- * Function: trav_grp_symlinks * * Purpose: Call back function from h5trav_visit(). * Track and extra checkings while visiting all symbolic-links. *------------------------------------------------------------------------*/ static herr_t trav_grp_symlinks(const char *path, const H5L_info_t *linfo, void *udata) { herr_t ret_value = 0; trav_info_t *tinfo = (trav_info_t *)udata; diff_opt_t *opts = (diff_opt_t *)tinfo->opts; h5tool_link_info_t lnk_info; const char *ext_fname; const char *ext_path; /* init linkinfo struct */ HDmemset(&lnk_info, 0, sizeof(h5tool_link_info_t)); if (!opts->follow_links) { trav_info_visit_lnk(path, linfo, tinfo); HGOTO_DONE(0); } switch(linfo->type) { case H5L_TYPE_SOFT: if((ret_value = H5tools_get_symlink_info(tinfo->fid, path, &lnk_info, opts->follow_links)) < 0) { HGOTO_DONE(ret_value); } else if (ret_value == 0) { /* no dangling link option given and detect dangling link */ tinfo->symlink_visited.dangle_link = TRUE; trav_info_visit_lnk(path, linfo, tinfo); if (opts->no_dangle_links) opts->err_stat = 1; /* make dangling link is error */ HGOTO_DONE(0); } /* check if already visit the target object */ if(symlink_is_visited( &(tinfo->symlink_visited), linfo->type, NULL, lnk_info.trg_path)) HGOTO_DONE(0); /* add this link as visited link */ if(symlink_visit_add( &(tinfo->symlink_visited), linfo->type, NULL, lnk_info.trg_path) < 0) HGOTO_DONE(0); if(h5trav_visit(tinfo->fid, path, TRUE, TRUE, trav_grp_objs,trav_grp_symlinks, tinfo) < 0) { parallel_print("Error: Could not get file contents\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Could not get file contents"); } break; case H5L_TYPE_EXTERNAL: if ((ret_value = H5tools_get_symlink_info(tinfo->fid, path, &lnk_info, opts->follow_links)) < 0) { HGOTO_DONE(ret_value); } else if (ret_value == 0) { /* no dangling link option given and detect dangling link */ tinfo->symlink_visited.dangle_link = TRUE; trav_info_visit_lnk(path, linfo, tinfo); if (opts->no_dangle_links) opts->err_stat = 1; /* make dangling link is error */ HGOTO_DONE(0); } if(H5Lunpack_elink_val(lnk_info.trg_path, linfo->u.val_size, NULL, &ext_fname, &ext_path) < 0) HGOTO_DONE(0); /* check if already visit the target object */ if(symlink_is_visited( &(tinfo->symlink_visited), linfo->type, ext_fname, ext_path)) HGOTO_DONE(0); /* add this link as visited link */ if(symlink_visit_add( &(tinfo->symlink_visited), linfo->type, ext_fname, ext_path) < 0) HGOTO_DONE(0); if(h5trav_visit(tinfo->fid, path, TRUE, TRUE, trav_grp_objs,trav_grp_symlinks, tinfo) < 0) { parallel_print("Error: Could not get file contents\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Could not get file contents\n"); } break; case H5L_TYPE_HARD: case H5L_TYPE_MAX: case H5L_TYPE_ERROR: default: parallel_print("Error: Invalid link type\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Invalid link type"); break; } /* end of switch */ done: if (lnk_info.trg_path) HDfree(lnk_info.trg_path); return ret_value; } /*------------------------------------------------------------------------- * Function: h5diff * * Purpose: public function, can be called in an application program. * return differences between 2 HDF5 files * * Return: Number of differences found. *------------------------------------------------------------------------- */ hsize_t h5diff(const char *fname1, const char *fname2, const char *objname1, const char *objname2, diff_opt_t *opts) { int ret_value = 0; hid_t file1_id = -1; hid_t file2_id = -1; char filenames[2][MAX_FILENAME]; hsize_t nfound = 0; int l_ret1 = -1; int l_ret2 = -1; char *obj1fullname = NULL; char *obj2fullname = NULL; int both_objs_grp = 0; /* init to group type */ h5trav_type_t obj1type = H5TRAV_TYPE_GROUP; h5trav_type_t obj2type = H5TRAV_TYPE_GROUP; /* for single object */ H5O_info_t oinfo1, oinfo2; /* object info */ trav_info_t *info1_obj = NULL; trav_info_t *info2_obj = NULL; /* for group object */ trav_info_t *info1_grp = NULL; trav_info_t *info2_grp = NULL; /* local pointer */ trav_info_t *info1_lp = NULL; trav_info_t *info2_lp = NULL; /* link info from specified object */ H5L_info_t src_linfo1; H5L_info_t src_linfo2; /* link info from member object */ h5tool_link_info_t trg_linfo1; h5tool_link_info_t trg_linfo2; /* list for common objects */ trav_table_t *match_list = NULL; h5difftrace("h5diff start\n"); /* init filenames */ HDmemset(filenames, 0, MAX_FILENAME * 2); /* init link info struct */ HDmemset(&trg_linfo1, 0, sizeof(h5tool_link_info_t)); HDmemset(&trg_linfo2, 0, sizeof(h5tool_link_info_t)); /*------------------------------------------------------------------------- * check invalid combination of options *-----------------------------------------------------------------------*/ if(!is_valid_options(opts)) HGOTO_DONE(0); opts->cmn_objs = 1; /* eliminate warning */ opts->err_stat = 1; /* initialize error status to FAIL */ /*------------------------------------------------------------------------- * open the files first; if they are not valid, no point in continuing *------------------------------------------------------------------------- */ /* open file 1 */ if((file1_id = h5tools_fopen(fname1, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, (size_t)0)) < 0) { parallel_print("h5diff: <%s>: unable to open file\n", fname1); HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "<%s>: unable to open file\n", fname1); } /* end if */ /* open file 2 */ if((file2_id = h5tools_fopen(fname2, H5F_ACC_RDONLY, H5P_DEFAULT, NULL, NULL, (size_t)0)) < 0) { parallel_print("h5diff: <%s>: unable to open file\n", fname2); HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "<%s>: unable to open file\n", fname2); } /* end if */ /*------------------------------------------------------------------------- * Initialize the info structs *------------------------------------------------------------------------- */ trav_info_init(fname1, file1_id, &info1_obj); trav_info_init(fname2, file2_id, &info2_obj); h5difftrace("trav_info_init initialized\n"); /* if any object is specified */ if (objname1) { /* make the given object1 fullpath, start with "/" */ if (HDstrncmp(objname1, "/", 1)) { #ifdef H5_HAVE_ASPRINTF /* Use the asprintf() routine, since it does what we're trying to do below */ if(HDasprintf(&obj1fullname, "/%s", objname1) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); #else /* H5_HAVE_ASPRINTF */ /* (malloc 2 more for "/" and end-of-line) */ if ((obj1fullname = (char*)HDmalloc(HDstrlen(objname1) + 2)) == NULL) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); HDstrcpy(obj1fullname, "/"); HDstrcat(obj1fullname, objname1); #endif /* H5_HAVE_ASPRINTF */ } else obj1fullname = HDstrdup(objname1); /* make the given object2 fullpath, start with "/" */ if (HDstrncmp(objname2, "/", 1)) { #ifdef H5_HAVE_ASPRINTF /* Use the asprintf() routine, since it does what we're trying to do below */ if(HDasprintf(&obj2fullname, "/%s", objname2) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); #else /* H5_HAVE_ASPRINTF */ /* (malloc 2 more for "/" and end-of-line) */ if ((obj2fullname = (char*)HDmalloc(HDstrlen(objname2) + 2)) == NULL) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); HDstrcpy(obj2fullname, "/"); HDstrcat(obj2fullname, objname2); #endif /* H5_HAVE_ASPRINTF */ } else obj2fullname = HDstrdup(objname2); /*---------------------------------------------------------- * check if obj1 is root, group, single object or symlink */ h5difftrace("h5diff check if obj1 is root, group, single object or symlink\n"); if(!HDstrcmp(obj1fullname, "/")) { obj1type = H5TRAV_TYPE_GROUP; } else { /* check if link itself exist */ if(H5Lexists(file1_id, obj1fullname, H5P_DEFAULT) <= 0) { parallel_print ("Object <%s> could not be found in <%s>\n", obj1fullname, fname1); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Object could not be found"); } /* get info from link */ if(H5Lget_info(file1_id, obj1fullname, &src_linfo1, H5P_DEFAULT) < 0) { parallel_print("Unable to get link info from <%s>\n", obj1fullname); H5TOOLS_INFO(H5E_tools_min_id_g, "Unable to get link info\n"); HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Lget_info failed"); } info1_lp = info1_obj; /* * check the type of specified path for hard and symbolic links */ if(src_linfo1.type == H5L_TYPE_HARD) { size_t idx; /* optional data pass */ info1_obj->opts = (diff_opt_t*)opts; if(H5Oget_info_by_name(file1_id, obj1fullname, &oinfo1, H5P_DEFAULT) < 0) { parallel_print("Error: Could not get file contents\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Could not get file contents"); } obj1type = (h5trav_type_t)oinfo1.type; trav_info_add(info1_obj, obj1fullname, obj1type); idx = info1_obj->nused - 1; info1_obj->paths[idx].objno = oinfo1.addr; info1_obj->paths[idx].fileno = oinfo1.fileno; } else if (src_linfo1.type == H5L_TYPE_SOFT) { obj1type = H5TRAV_TYPE_LINK; trav_info_add(info1_obj, obj1fullname, obj1type); } else if (src_linfo1.type == H5L_TYPE_EXTERNAL) { obj1type = H5TRAV_TYPE_UDLINK; trav_info_add(info1_obj, obj1fullname, obj1type); } } /*---------------------------------------------------------- * check if obj2 is root, group, single object or symlink */ h5difftrace("h5diff check if obj2 is root, group, single object or symlink\n"); if(!HDstrcmp(obj2fullname, "/")) { obj2type = H5TRAV_TYPE_GROUP; } else { /* check if link itself exist */ if(H5Lexists(file2_id, obj2fullname, H5P_DEFAULT) <= 0) { parallel_print ("Object <%s> could not be found in <%s>\n", obj2fullname, fname2); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Object could not be found"); } /* get info from link */ if(H5Lget_info(file2_id, obj2fullname, &src_linfo2, H5P_DEFAULT) < 0) { parallel_print("Unable to get link info from <%s>\n", obj2fullname); HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Lget_info failed"); } info2_lp = info2_obj; /* * check the type of specified path for hard and symbolic links */ if(src_linfo2.type == H5L_TYPE_HARD) { size_t idx; /* optional data pass */ info2_obj->opts = (diff_opt_t*)opts; if(H5Oget_info_by_name(file2_id, obj2fullname, &oinfo2, H5P_DEFAULT) < 0) { parallel_print("Error: Could not get file contents\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Error: Could not get file contents"); } obj2type = (h5trav_type_t)oinfo2.type; trav_info_add(info2_obj, obj2fullname, obj2type); idx = info2_obj->nused - 1; info2_obj->paths[idx].objno = oinfo2.addr; info2_obj->paths[idx].fileno = oinfo2.fileno; } else if (src_linfo2.type == H5L_TYPE_SOFT) { obj2type = H5TRAV_TYPE_LINK; trav_info_add(info2_obj, obj2fullname, obj2type); } else if (src_linfo2.type == H5L_TYPE_EXTERNAL) { obj2type = H5TRAV_TYPE_UDLINK; trav_info_add(info2_obj, obj2fullname, obj2type); } } } /* if no object specified */ else { h5difftrace("h5diff no object specified\n"); /* set root group */ obj1fullname = (char*)HDstrdup("/"); obj1type = H5TRAV_TYPE_GROUP; obj2fullname = (char*)HDstrdup("/"); obj2type = H5TRAV_TYPE_GROUP; } /* get any symbolic links info */ l_ret1 = H5tools_get_symlink_info(file1_id, obj1fullname, &trg_linfo1, opts->follow_links); l_ret2 = H5tools_get_symlink_info(file2_id, obj2fullname, &trg_linfo2, opts->follow_links); /*--------------------------------------------- * check for following symlinks */ if (opts->follow_links) { /* pass how to handle printing warning to linkinfo option */ if(print_warn(opts)) trg_linfo1.opt.msg_mode = trg_linfo2.opt.msg_mode = 1; /*------------------------------- * check symbolic link (object1) */ h5difftrace("h5diff check symbolic link (object1)\n"); /* dangling link */ if (l_ret1 == 0) { h5difftrace("h5diff ... dangling link\n"); if (opts->no_dangle_links) { /* treat dangling link as error */ if(opts->m_verbose) parallel_print("Warning: <%s> is a dangling link.\n", obj1fullname); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "treat dangling link as error"); } else { if(opts->m_verbose) parallel_print("obj1 <%s> is a dangling link.\n", obj1fullname); if (l_ret1 != 0 || l_ret2 != 0) { nfound++; print_found(nfound); HGOTO_DONE(0); } } } else if(l_ret1 < 0) { /* fail */ parallel_print ("Object <%s> could not be found in <%s>\n", obj1fullname, fname1); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Object could not be found"); } else if(l_ret1 != 2) { /* symbolic link */ obj1type = (h5trav_type_t)trg_linfo1.trg_type; h5difftrace("h5diff ... ... trg_linfo1.trg_type == H5L_TYPE_HARD\n"); if (info1_lp != NULL) { size_t idx = info1_lp->nused - 1; h5difftrace("h5diff ... ... ... info1_obj not null\n"); info1_lp->paths[idx].type = (h5trav_type_t)trg_linfo1.trg_type; info1_lp->paths[idx].objno = trg_linfo1.objno; info1_lp->paths[idx].fileno = trg_linfo1.fileno; } h5difftrace("h5diff check symbolic link (object1) finished\n"); } /*------------------------------- * check symbolic link (object2) */ h5difftrace("h5diff check symbolic link (object2)\n"); /* dangling link */ if (l_ret2 == 0) { h5difftrace("h5diff ... dangling link\n"); if (opts->no_dangle_links) { /* treat dangling link as error */ if(opts->m_verbose) parallel_print("Warning: <%s> is a dangling link.\n", obj2fullname); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "treat dangling link as error"); } else { if(opts->m_verbose) parallel_print("obj2 <%s> is a dangling link.\n", obj2fullname); if (l_ret1 != 0 || l_ret2 != 0) { nfound++; print_found(nfound); HGOTO_DONE(0); } } } else if(l_ret2 < 0) { /* fail */ parallel_print ("Object <%s> could not be found in <%s>\n", obj2fullname, fname2); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Object could not be found"); } else if(l_ret2 != 2) { /* symbolic link */ obj2type = (h5trav_type_t)trg_linfo2.trg_type; if (info2_lp != NULL) { size_t idx = info2_lp->nused - 1; h5difftrace("h5diff ... ... ... info2_obj not null\n"); info2_lp->paths[idx].type = (h5trav_type_t)trg_linfo2.trg_type; info2_lp->paths[idx].objno = trg_linfo2.objno; info2_lp->paths[idx].fileno = trg_linfo2.fileno; } h5difftrace("h5diff check symbolic link (object1) finished\n"); } } /* end of if follow symlinks */ /* * If verbose options is not used, don't need to traverse through the list * of objects in the group to display objects information, * So use h5tools_is_obj_same() to improve performance by skipping * comparing details of same objects. */ if(!(opts->m_verbose || opts->m_report)) { h5difftrace("h5diff NOT (opts->m_verbose || opts->m_report)\n"); /* if no danglink links */ if (l_ret1 > 0 && l_ret2 > 0) if (h5tools_is_obj_same(file1_id, obj1fullname, file2_id, obj2fullname)!=0) HGOTO_DONE(0); } both_objs_grp = (obj1type == H5TRAV_TYPE_GROUP && obj2type == H5TRAV_TYPE_GROUP); if (both_objs_grp) { h5difftrace("h5diff both_objs_grp TRUE\n"); /* * traverse group1 */ trav_info_init(fname1, file1_id, &info1_grp); /* optional data pass */ info1_grp->opts = (diff_opt_t*)opts; if(h5trav_visit(file1_id, obj1fullname, TRUE, TRUE, trav_grp_objs, trav_grp_symlinks, info1_grp) < 0) { parallel_print("Error: Could not get file contents\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Could not get file contents"); } info1_lp = info1_grp; /* * traverse group2 */ trav_info_init(fname2, file2_id, &info2_grp); /* optional data pass */ info2_grp->opts = (diff_opt_t*)opts; if(h5trav_visit(file2_id, obj2fullname, TRUE, TRUE, trav_grp_objs, trav_grp_symlinks, info2_grp) < 0) { parallel_print("Error: Could not get file contents\n"); opts->err_stat = 1; HGOTO_ERROR(opts->err_stat, H5E_tools_min_id_g, "Could not get file contents"); } /* end if */ info2_lp = info2_grp; } #ifdef H5_HAVE_PARALLEL if(g_Parallel) { int i; if((HDstrlen(fname1) > MAX_FILENAME) || (HDstrlen(fname2) > MAX_FILENAME)) { HDfprintf(stderr, "The parallel diff only supports path names up to %d characters\n", MAX_FILENAME); MPI_Abort(MPI_COMM_WORLD, 0); } /* end if */ HDstrcpy(filenames[0], fname1); HDstrcpy(filenames[1], fname2); /* Alert the worker tasks that there's going to be work. */ for(i = 1; i < g_nTasks; i++) MPI_Send(filenames, (MAX_FILENAME * 2), MPI_CHAR, i, MPI_TAG_PARALLEL, MPI_COMM_WORLD); } /* end if */ #endif /* process the objects */ build_match_list (obj1fullname, info1_lp, obj2fullname, info2_lp, &match_list, opts); if (both_objs_grp) { /*------------------------------------------------------ * print the list */ if(opts->m_verbose) { unsigned u; parallel_print("\n"); /* if given objects is group under root */ if (HDstrcmp (obj1fullname,"/") || HDstrcmp (obj2fullname,"/")) parallel_print("group1 group2\n"); else parallel_print("file1 file2\n"); parallel_print("---------------------------------------\n"); for(u = 0; u < match_list->nobjs; u++) { char c1, c2; c1 = (match_list->objs[u].flags[0]) ? 'x' : ' '; c2 = (match_list->objs[u].flags[1]) ? 'x' : ' '; parallel_print("%5c %6c %-15s\n", c1, c2, match_list->objs[u].name); } /* end for */ parallel_print ("\n"); } /* end if */ } nfound = diff_match(file1_id, obj1fullname, info1_lp, file2_id, obj2fullname, info2_lp, match_list, opts); opts->err_stat = 0; /* success status */ done: #ifdef H5_HAVE_PARALLEL if(g_Parallel) /* All done at this point, let tasks know that they won't be needed */ phdiff_dismiss_workers(); #endif /* free buffers in trav_info structures */ if (info1_obj) trav_info_free(info1_obj); if (info2_obj) trav_info_free(info2_obj); if (info1_grp) trav_info_free(info1_grp); if (info2_grp) trav_info_free(info2_grp); /* free buffers */ if (obj1fullname) HDfree(obj1fullname); if (obj2fullname) HDfree(obj2fullname); /* free link info buffer */ if (trg_linfo1.trg_path) HDfree(trg_linfo1.trg_path); if (trg_linfo2.trg_path) HDfree(trg_linfo2.trg_path); /* close */ H5E_BEGIN_TRY { H5Fclose(file1_id); H5Fclose(file2_id); } H5E_END_TRY; h5difftrace("h5diff finish\n"); return nfound; } /*------------------------------------------------------------------------- * Function: diff_match * * Purpose: Compare common objects in given groups according to table structure. * The table structure has flags which can be used to find common objects * and will be compared. * Common object means same name (absolute path) objects in both location. * * Return: Number of differences found * * Modifications: Compare the graph and make h5diff return 1 for difference if * 1) the number of objects in file1 is not the same as in file2 * 2) the graph does not match, i.e same names (absolute path) * 3) objects with the same name are not of the same type *------------------------------------------------------------------------- */ hsize_t diff_match(hid_t file1_id, const char *grp1, trav_info_t *info1, hid_t file2_id, const char *grp2, trav_info_t *info2, trav_table_t *table, diff_opt_t *opts) { hsize_t nfound = 0; unsigned i; int ret_value = 0; const char *grp1_path = ""; const char *grp2_path = ""; char *obj1_fullpath = NULL; char *obj2_fullpath = NULL; diff_args_t argdata; size_t idx1 = 0; size_t idx2 = 0; h5difftrace("diff_match start\n"); /* * if not root, prepare object name to be pre-appended to group path to * make full path */ if(HDstrcmp(grp1, "/")) grp1_path = grp1; if(HDstrcmp(grp2, "/")) grp2_path = grp2; /*------------------------------------------------------------------------- * regarding the return value of h5diff (0, no difference in files, 1 difference ) * 1) the number of objects in file1 must be the same as in file2 * 2) the graph must match, i.e same names (absolute path) * 3) objects with the same name must be of the same type *------------------------------------------------------------------------- */ /* not valid compare used when --exclude-path option is used */ if (!opts->exclude_path) { /* number of different objects */ if (info1->nused != info2->nused) { opts->contents = 0; } } /* objects in one file and not the other */ for(i = 0; i < table->nobjs; i++) { if(table->objs[i].flags[0] != table->objs[i].flags[1]) { opts->contents = 0; break; } } /*------------------------------------------------------------------------- * do the diff for common objects *------------------------------------------------------------------------- */ #ifdef H5_HAVE_PARALLEL { char *workerTasks = (char*)HDmalloc((g_nTasks - 1) * sizeof(char)); int n; int busyTasks = 0; struct diffs_found nFoundbyWorker; struct diff_mpi_args args; int havePrintToken = 1; MPI_Status Status; /*set all tasks as free */ HDmemset(workerTasks, 1, (g_nTasks - 1)); #endif for(i = 0; i < table->nobjs; i++) { if(table->objs[i].flags[0] && table->objs[i].flags[1]) { /* make full path for obj1 */ #ifdef H5_HAVE_ASPRINTF /* Use the asprintf() routine, since it does what we're trying to do below */ if(HDasprintf(&obj1_fullpath, "%s%s", grp1_path, table->objs[i].name) < 0) { HERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); } #else /* H5_HAVE_ASPRINTF */ if((obj1_fullpath = (char*)HDmalloc(HDstrlen(grp1_path) + HDstrlen(table->objs[i].name) + 1)) == NULL) { HERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); } else { HDstrcpy(obj1_fullpath, grp1_path); HDstrcat(obj1_fullpath, table->objs[i].name); } #endif /* H5_HAVE_ASPRINTF */ h5diffdebug2("diff_match path1 - %s\n", obj1_fullpath); /* make full path for obj2 */ #ifdef H5_HAVE_ASPRINTF /* Use the asprintf() routine, since it does what we're trying to do below */ if(HDasprintf(&obj2_fullpath, "%s%s", grp2_path, table->objs[i].name) < 0) { HERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); } #else /* H5_HAVE_ASPRINTF */ if((obj2_fullpath = (char*)HDmalloc(HDstrlen(grp2_path) + HDstrlen(table->objs[i].name) + 1)) == NULL) { HERROR(FAIL, H5E_tools_min_id_g, "name buffer allocation failed"); } else { HDstrcpy(obj2_fullpath, grp2_path); HDstrcat(obj2_fullpath, table->objs[i].name); } #endif /* H5_HAVE_ASPRINTF */ h5diffdebug2("diff_match path2 - %s\n", obj2_fullpath); /* get index to figure out type of the object in file1 */ while(info1->paths[idx1].path && (HDstrcmp(obj1_fullpath, info1->paths[idx1].path) != 0)) idx1++; /* get index to figure out type of the object in file2 */ while(info2->paths[idx2].path && (HDstrcmp(obj2_fullpath, info2->paths[idx2].path) != 0)) idx2++; /* Set argdata to pass other args into diff() */ argdata.type[0] = info1->paths[idx1].type; argdata.type[1] = info2->paths[idx2].type; argdata.is_same_trgobj = table->objs[i].is_same_trgobj; opts->cmn_objs = 1; if(!g_Parallel) { nfound += diff(file1_id, obj1_fullpath, file2_id, obj2_fullpath, opts, &argdata); } /* end if */ #ifdef H5_HAVE_PARALLEL else { int workerFound = 0; h5difftrace("Beginning of big else block\n"); /* We're in parallel mode */ /* Since the data type of diff value is hsize_t which can * be arbitary large such that there is no MPI type that * matches it, the value is passed between processes as * an array of bytes in order to be portable. But this * may not work in non-homogeneous MPI environments. */ /*Set up args to pass to worker task. */ if(HDstrlen(obj1_fullpath) > 255 || HDstrlen(obj2_fullpath) > 255) { printf("The parallel diff only supports object names up to 255 characters\n"); MPI_Abort(MPI_COMM_WORLD, 0); } /* end if */ /* set args struct to pass */ HDstrcpy(args.name1, obj1_fullpath); HDstrcpy(args.name2, obj2_fullpath); args.opts = *opts; args.argdata.type[0] = info1->paths[idx1].type; args.argdata.type[1] = info2->paths[idx2].type; args.argdata.is_same_trgobj = table->objs[i].is_same_trgobj; /* if there are any outstanding print requests, let's handle one. */ if(busyTasks > 0) { int incomingMessage; /* check if any tasks freed up, and didn't need to print. */ MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &incomingMessage, &Status); /* first block*/ if(incomingMessage) { workerTasks[Status.MPI_SOURCE - 1] = 1; MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; busyTasks--; } /* end if */ /* check to see if the print token was returned. */ if(!havePrintToken) { /* If we don't have the token, someone is probably sending us output */ print_incoming_data(); /* check incoming queue for token */ MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status); /* incoming token implies free task. */ if(incomingMessage) { workerTasks[Status.MPI_SOURCE - 1] = 1; MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; busyTasks--; havePrintToken = 1; } /* end if */ } /* end if */ /* check to see if anyone needs the print token. */ if(havePrintToken) { /* check incoming queue for print token requests */ MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &incomingMessage, &Status); if(incomingMessage) { MPI_Recv(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &Status); MPI_Send(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD); havePrintToken = 0; } /* end if */ } /* end if */ } /* end if */ /* check array of tasks to see which ones are free. * Manager task never does work, so freeTasks[0] is really * worker task 0. */ for(n = 1; (n < g_nTasks) && !workerFound; n++) { if(workerTasks[n-1]) { /* send file id's and names to first free worker */ MPI_Send(&args, sizeof(args), MPI_BYTE, n, MPI_TAG_ARGS, MPI_COMM_WORLD); /* increment counter for total number of prints. */ busyTasks++; /* mark worker as busy */ workerTasks[n - 1] = 0; workerFound = 1; } /* end if */ } /* end for */ if(!workerFound) { /* if they were all busy, we've got to wait for one free up * before we can move on. If we don't have the token, some * task is currently printing so we'll wait for that task to * return it. */ if(!havePrintToken) { while(!havePrintToken) { int incomingMessage; print_incoming_data(); MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status); if(incomingMessage) { MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status); havePrintToken = 1; nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; /* send this task the work unit. */ MPI_Send(&args, sizeof(args), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_ARGS, MPI_COMM_WORLD); } /* end if */ } /* end while */ } /* end if */ /* if we do have the token, check for task to free up, or wait for a task to request it */ else { /* But first print all the data in our incoming queue */ print_incoming_data(); MPI_Probe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &Status); if(Status.MPI_TAG == MPI_TAG_DONE) { MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; MPI_Send(&args, sizeof(args), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_ARGS, MPI_COMM_WORLD); } /* end if */ else if(Status.MPI_TAG == MPI_TAG_TOK_REQUEST) { int incomingMessage; MPI_Recv(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &Status); MPI_Send(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD); do { MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status); print_incoming_data(); } while(!incomingMessage); MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; MPI_Send(&args, sizeof(args), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_ARGS, MPI_COMM_WORLD); } /* end else-if */ else { printf("ERROR: Invalid tag (%d) received \n", Status.MPI_TAG); MPI_Abort(MPI_COMM_WORLD, 0); MPI_Finalize(); } /* end else */ } /* end else */ } /* end if */ } /* end else */ #endif /* H5_HAVE_PARALLEL */ if(obj1_fullpath) HDfree(obj1_fullpath); if(obj2_fullpath) HDfree(obj2_fullpath); } /* end if */ } /* end for */ h5difftrace("done with for loop\n"); #ifdef H5_HAVE_PARALLEL if(g_Parallel) { /* make sure all tasks are done */ while(busyTasks > 0) { MPI_Probe(MPI_ANY_SOURCE, MPI_ANY_TAG, MPI_COMM_WORLD, &Status); if(Status.MPI_TAG == MPI_TAG_DONE) { MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_DONE, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; busyTasks--; } /* end if */ else if(Status.MPI_TAG == MPI_TAG_TOK_REQUEST) { MPI_Recv(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_REQUEST, MPI_COMM_WORLD, &Status); if(havePrintToken) { int incomingMessage; MPI_Send(NULL, 0, MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD); do { MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status); print_incoming_data(); } while(!incomingMessage); MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; busyTasks--; } /* end if */ /* someone else must have it...wait for them to return it, then give it to the task that just asked for it. */ else { int source = Status.MPI_SOURCE; int incomingMessage; do { MPI_Iprobe(MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &incomingMessage, &Status); print_incoming_data(); } while(!incomingMessage); MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, MPI_ANY_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; busyTasks--; MPI_Send(NULL, 0, MPI_BYTE, source, MPI_TAG_PRINT_TOK, MPI_COMM_WORLD); } /* end else */ } /* end else-if */ else if(Status.MPI_TAG == MPI_TAG_TOK_RETURN) { MPI_Recv(&nFoundbyWorker, sizeof(nFoundbyWorker), MPI_BYTE, Status.MPI_SOURCE, MPI_TAG_TOK_RETURN, MPI_COMM_WORLD, &Status); nfound += nFoundbyWorker.nfound; opts->not_cmp = opts->not_cmp | nFoundbyWorker.not_cmp; busyTasks--; havePrintToken = 1; } /* end else-if */ else if(Status.MPI_TAG == MPI_TAG_PRINT_DATA) { char data[PRINT_DATA_MAX_SIZE + 1]; HDmemset(data, 0, PRINT_DATA_MAX_SIZE + 1); MPI_Recv(data, PRINT_DATA_MAX_SIZE, MPI_CHAR, Status.MPI_SOURCE, MPI_TAG_PRINT_DATA, MPI_COMM_WORLD, &Status); printf("%s", data); } /* end else-if */ else { printf("ph5diff-manager: ERROR!! Invalid tag (%d) received \n", Status.MPI_TAG); MPI_Abort(MPI_COMM_WORLD, 0); } /* end else */ } /* end while */ for(i = 1; i < g_nTasks; i++) MPI_Send(NULL, 0, MPI_BYTE, i, MPI_TAG_END, MPI_COMM_WORLD); /* Print any final data waiting in our queue */ print_incoming_data(); } /* end if */ h5difftrace("done with if block\n"); HDfree(workerTasks); } #endif /* H5_HAVE_PARALLEL */ out: /* free table */ if (table) trav_table_free(table); h5diffdebug2("diff_match finish:%d\n", nfound); return nfound; } /*------------------------------------------------------------------------- * Function: diff * * Purpose: switch between types and choose the diff function * TYPE is either * H5G_GROUP Object is a group * H5G_DATASET Object is a dataset * H5G_TYPE Object is a named data type * H5G_LINK Object is a symbolic link * * Return: Number of differences found *------------------------------------------------------------------------- */ hsize_t diff(hid_t file1_id, const char *path1, hid_t file2_id, const char *path2, diff_opt_t * opts, diff_args_t *argdata) { int ret_value = 0; hid_t dset1_id = -1; hid_t dset2_id = -1; hid_t type1_id = -1; hid_t type2_id = -1; hid_t grp1_id = -1; hid_t grp2_id = -1; hbool_t is_dangle_link1 = FALSE; hbool_t is_dangle_link2 = FALSE; hbool_t is_hard_link = FALSE; hsize_t nfound = 0; h5trav_type_t object_type; /* to get link info */ h5tool_link_info_t linkinfo1; h5tool_link_info_t linkinfo2; h5difftrace("diff start\n"); /*init error status */ opts->err_stat = 1; /*init link info struct */ HDmemset(&linkinfo1, 0, sizeof(h5tool_link_info_t)); HDmemset(&linkinfo2, 0, sizeof(h5tool_link_info_t)); /* pass how to handle printing warnings to linkinfo option */ if(print_warn(opts)) linkinfo1.opt.msg_mode = linkinfo2.opt.msg_mode = 1; /* for symbolic links, take care follow symlink and no dangling link * options */ if (argdata->type[0] == H5TRAV_TYPE_LINK || argdata->type[0] == H5TRAV_TYPE_UDLINK || argdata->type[1] == H5TRAV_TYPE_LINK || argdata->type[1] == H5TRAV_TYPE_UDLINK) { /* * check dangling links for path1 and path2 */ /* target object1 - get type and name */ if ((ret_value = H5tools_get_symlink_info(file1_id, path1, &linkinfo1, opts->follow_links)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5tools_get_symlink_info failed"); /* dangling link */ if (ret_value == 0) { if (opts->no_dangle_links) { /* dangling link is error */ if(opts->m_verbose) parallel_print("Warning: <%s> is a dangling link.\n", path1); HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "dangling link is error"); } else is_dangle_link1 = TRUE; } /* target object2 - get type and name */ if ((ret_value = H5tools_get_symlink_info(file2_id, path2, &linkinfo2, opts->follow_links)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5tools_get_symlink_info failed"); /* dangling link */ if (ret_value == 0) { if (opts->no_dangle_links) { /* dangling link is error */ if(opts->m_verbose) parallel_print("Warning: <%s> is a dangling link.\n", path2); HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "dangling link is error"); } else is_dangle_link2 = TRUE; } /* found dangling link */ if (is_dangle_link1 || is_dangle_link2) { opts->err_stat = 0; HGOTO_DONE(0); } /* follow symbolic link option */ if (opts->follow_links) { if (linkinfo1.linfo.type == H5L_TYPE_SOFT || linkinfo1.linfo.type == H5L_TYPE_EXTERNAL) argdata->type[0] = (h5trav_type_t)linkinfo1.trg_type; if (linkinfo2.linfo.type == H5L_TYPE_SOFT || linkinfo2.linfo.type == H5L_TYPE_EXTERNAL) argdata->type[1] = (h5trav_type_t)linkinfo2.trg_type; } } /* if objects are not the same type */ if (argdata->type[0] != argdata->type[1]) { if (opts->m_verbose||opts->m_list_not_cmp) { parallel_print("Not comparable: <%s> is of type %s and <%s> is of type %s\n", path1, get_type(argdata->type[0]), path2, get_type(argdata->type[1])); } opts->not_cmp = 1; /* TODO: will need to update non-comparable is different * opts->contents = 0; */ opts->err_stat = 0; HGOTO_DONE(0); } else /* now both object types are same */ object_type = argdata->type[0]; /* * If both points to the same target object, skip comparing details inside * of the objects to improve performance. * Always check for the hard links, otherwise if follow symlink option is * specified. * * Perform this to match the outputs as bypassing. */ if (argdata->is_same_trgobj) { h5difftrace("argdata->is_same_trgobj\n"); is_hard_link = (object_type == H5TRAV_TYPE_DATASET || object_type == H5TRAV_TYPE_NAMED_DATATYPE || object_type == H5TRAV_TYPE_GROUP); if (opts->follow_links || is_hard_link) { /* print information is only verbose option is used */ if(opts->m_verbose || opts->m_report) { switch(object_type) { case H5TRAV_TYPE_DATASET: do_print_objname("dataset", path1, path2, opts); break; case H5TRAV_TYPE_NAMED_DATATYPE: do_print_objname("datatype", path1, path2, opts); break; case H5TRAV_TYPE_GROUP: do_print_objname("group", path1, path2, opts); break; case H5TRAV_TYPE_LINK: do_print_objname("link", path1, path2, opts); break; case H5TRAV_TYPE_UDLINK: if(linkinfo1.linfo.type == H5L_TYPE_EXTERNAL && linkinfo2.linfo.type == H5L_TYPE_EXTERNAL) do_print_objname("external link", path1, path2, opts); else do_print_objname ("user defined link", path1, path2, opts); break; case H5TRAV_TYPE_UNKNOWN: default: parallel_print("Comparison not supported: <%s> and <%s> are of type %s\n", path1, path2, get_type(object_type) ); opts->not_cmp = 1; break; } /* switch(type)*/ print_found(nfound); } /* if(opts->m_verbose || opts->m_report) */ /* exact same, so comparison is done */ opts->err_stat = 0; HGOTO_DONE(0); } } switch(object_type) { /*---------------------------------------------------------------------- * H5TRAV_TYPE_DATASET *---------------------------------------------------------------------- */ case H5TRAV_TYPE_DATASET: if((dset1_id = H5Dopen2(file1_id, path1, H5P_DEFAULT)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Dopen2 failed"); if((dset2_id = H5Dopen2(file2_id, path2, H5P_DEFAULT)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Dopen2 failed"); /* verbose (-v) and report (-r) mode */ if(opts->m_verbose || opts->m_report) { do_print_objname("dataset", path1, path2, opts); nfound = diff_dataset(file1_id, file2_id, path1, path2, opts); print_found(nfound); } /* quiet mode (-q), just count differences */ else if(opts->m_quiet) { nfound = diff_dataset(file1_id, file2_id, path1, path2, opts); } /* the rest (-c, none, ...) */ else { nfound = diff_dataset(file1_id, file2_id, path1, path2, opts); /* print info if difference found */ if (nfound) { do_print_objname("dataset", path1, path2, opts); print_found(nfound); } } h5diffdebug2("diff after dataset:%d\n", nfound); /*--------------------------------------------------------- * compare attributes * if condition refers to cases when the dataset is a * referenced object *--------------------------------------------------------- */ if(path1) nfound += diff_attr(dset1_id, dset2_id, path1, path2, opts); if(H5Dclose(dset1_id) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Dclose failed"); if(H5Dclose(dset2_id) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Dclose failed"); break; /*---------------------------------------------------------------------- * H5TRAV_TYPE_NAMED_DATATYPE *---------------------------------------------------------------------- */ case H5TRAV_TYPE_NAMED_DATATYPE: if((type1_id = H5Topen2(file1_id, path1, H5P_DEFAULT)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Topen2 failed"); if((type2_id = H5Topen2(file2_id, path2, H5P_DEFAULT)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Topen2 failed"); if((ret_value = H5Tequal(type1_id, type2_id)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tequal failed"); /* if H5Tequal is > 0 then the datatypes refer to the same datatype */ nfound = (ret_value > 0) ? 0 : 1; if(print_objname(opts, nfound)) do_print_objname("datatype", path1, path2, opts); /* always print the number of differences found in verbose mode */ if(opts->m_verbose) print_found(nfound); /*----------------------------------------------------------------- * compare attributes * the if condition refers to cases when the dataset is a * referenced object *----------------------------------------------------------------- */ if(path1) nfound += diff_attr(type1_id, type2_id, path1, path2, opts); if(H5Tclose(type1_id) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tclose failed"); if(H5Tclose(type2_id) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Tclose failed"); break; /*---------------------------------------------------------------------- * H5TRAV_TYPE_GROUP *---------------------------------------------------------------------- */ case H5TRAV_TYPE_GROUP: if(print_objname(opts, nfound)) do_print_objname("group", path1, path2, opts); /* always print the number of differences found in verbose mode */ if(opts->m_verbose) print_found(nfound); if((grp1_id = H5Gopen2(file1_id, path1, H5P_DEFAULT)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Gclose failed"); if((grp2_id = H5Gopen2(file2_id, path2, H5P_DEFAULT)) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Gclose failed"); /*----------------------------------------------------------------- * compare attributes * the if condition refers to cases when the dataset is a * referenced object *----------------------------------------------------------------- */ if(path1) nfound += diff_attr(grp1_id, grp2_id, path1, path2, opts); if(H5Gclose(grp1_id) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Gclose failed"); if(H5Gclose(grp2_id) < 0) HGOTO_ERROR(FAIL, H5E_tools_min_id_g, "H5Gclose failed"); break; /*---------------------------------------------------------------------- * H5TRAV_TYPE_LINK *---------------------------------------------------------------------- */ case H5TRAV_TYPE_LINK: { ret_value = HDstrcmp(linkinfo1.trg_path, linkinfo2.trg_path); /* if the target link name is not same then the links are "different" */ nfound = (ret_value != 0) ? 1 : 0; if(print_objname(opts, nfound)) do_print_objname("link", path1, path2, opts); /* always print the number of differences found in verbose mode */ if(opts->m_verbose) print_found(nfound); } break; /*---------------------------------------------------------------------- * H5TRAV_TYPE_UDLINK *---------------------------------------------------------------------- */ case H5TRAV_TYPE_UDLINK: { /* Only external links will have a query function registered */ if(linkinfo1.linfo.type == H5L_TYPE_EXTERNAL && linkinfo2.linfo.type == H5L_TYPE_EXTERNAL) { /* If the buffers are the same size, compare them */ if(linkinfo1.linfo.u.val_size == linkinfo2.linfo.u.val_size) { ret_value = HDmemcmp(linkinfo1.trg_path, linkinfo2.trg_path, linkinfo1.linfo.u.val_size); } else ret_value = 1; /* if "linkinfo1.trg_path" != "linkinfo2.trg_path" then the links * are "different" extlinkinfo#.path is combination string of * file_name and obj_name */ nfound = (ret_value != 0) ? 1 : 0; if(print_objname(opts, nfound)) do_print_objname("external link", path1, path2, opts); } /* end if */ else { /* If one or both of these links isn't an external link, we can only * compare information from H5Lget_info since we don't have a query * function registered for them. * * If the link classes or the buffer length are not the * same, the links are "different" */ if((linkinfo1.linfo.type != linkinfo2.linfo.type) || (linkinfo1.linfo.u.val_size != linkinfo2.linfo.u.val_size)) nfound = 1; else nfound = 0; if (print_objname (opts, nfound)) do_print_objname ("user defined link", path1, path2, opts); } /* end else */ /* always print the number of differences found in verbose mode */ if(opts->m_verbose) print_found(nfound); } break; case H5TRAV_TYPE_UNKNOWN: default: if(opts->m_verbose) parallel_print("Comparison not supported: <%s> and <%s> are of type %s\n", path1, path2, get_type(object_type) ); opts->not_cmp = 1; break; } opts->err_stat = 0; done: /*----------------------------------- * handle dangling link(s) */ /* both path1 and path2 are dangling links */ if(is_dangle_link1 && is_dangle_link2) { if(print_objname(opts, nfound)) { do_print_objname("dangling link", path1, path2, opts); print_found(nfound); } } /* path1 is dangling link */ else if (is_dangle_link1) { if(opts->m_verbose) parallel_print("obj1 <%s> is a dangling link.\n", path1); nfound++; if(print_objname(opts, nfound)) print_found(nfound); } /* path2 is dangling link */ else if (is_dangle_link2) { if(opts->m_verbose) parallel_print("obj2 <%s> is a dangling link.\n", path2); nfound++; if(print_objname(opts, nfound)) print_found(nfound); } /* free link info buffer */ if (linkinfo1.trg_path) HDfree(linkinfo1.trg_path); if (linkinfo2.trg_path) HDfree(linkinfo2.trg_path); /* close */ /* disable error reporting */ H5E_BEGIN_TRY { H5Dclose(dset1_id); H5Dclose(dset2_id); H5Tclose(type1_id); H5Tclose(type2_id); H5Gclose(grp1_id); H5Gclose(grp2_id); /* enable error reporting */ } H5E_END_TRY; h5diffdebug2("diff finish:%d\n", nfound); return nfound; }