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| 1 | +/* |
| 2 | + * Copyright (c) 2016-2019 Intel, Inc. All rights reserved. |
| 3 | + * Copyright (c) 2018 Research Organization for Information Science |
| 4 | + * and Technology (RIST). All rights reserved. |
| 5 | + * $COPYRIGHT$ |
| 6 | + * |
| 7 | + * Additional copyrights may follow |
| 8 | + * |
| 9 | + * $HEADER$ |
| 10 | + * |
| 11 | + */ |
| 12 | + |
| 13 | +#include "orte_config.h" |
| 14 | +#include "orte/types.h" |
| 15 | +#include "opal/types.h" |
| 16 | + |
| 17 | +#ifdef HAVE_UNISTD_H |
| 18 | +#include <unistd.h> |
| 19 | +#endif |
| 20 | +#include <ctype.h> |
| 21 | + |
| 22 | +#include "opal/util/argv.h" |
| 23 | +#include "opal/util/basename.h" |
| 24 | +#include "opal/util/opal_environ.h" |
| 25 | + |
| 26 | +#include "orte/runtime/orte_globals.h" |
| 27 | +#include "orte/util/name_fns.h" |
| 28 | +#include "orte/util/show_help.h" |
| 29 | +#include "orte/mca/errmgr/errmgr.h" |
| 30 | +#include "orte/mca/rmaps/base/base.h" |
| 31 | +#include "orte/mca/routed/routed.h" |
| 32 | +#include "orte/mca/regx/base/base.h" |
| 33 | + |
| 34 | +#include "regx_fwd.h" |
| 35 | + |
| 36 | +static int nidmap_create(opal_pointer_array_t *pool, char **regex); |
| 37 | + |
| 38 | +orte_regx_base_module_t orte_regx_fwd_module = { |
| 39 | + .nidmap_create = nidmap_create, |
| 40 | + .nidmap_parse = orte_regx_base_nidmap_parse, |
| 41 | + .extract_node_names = orte_regx_base_extract_node_names, |
| 42 | + .encode_nodemap = orte_regx_base_encode_nodemap, |
| 43 | + .decode_daemon_nodemap = orte_regx_base_decode_daemon_nodemap, |
| 44 | + .generate_ppn = orte_regx_base_generate_ppn, |
| 45 | + .parse_ppn = orte_regx_base_parse_ppn |
| 46 | +}; |
| 47 | + |
| 48 | +static int nidmap_create(opal_pointer_array_t *pool, char **regex) |
| 49 | +{ |
| 50 | + char *node; |
| 51 | + char prefix[ORTE_MAX_NODE_PREFIX]; |
| 52 | + int i, j, n, len, startnum, nodenum, numdigits; |
| 53 | + bool found; |
| 54 | + char *suffix, *sfx, *nodenames; |
| 55 | + orte_regex_node_t *ndreg; |
| 56 | + orte_regex_range_t *range, *rng; |
| 57 | + opal_list_t nodenms, dvpids; |
| 58 | + opal_list_item_t *item, *itm2; |
| 59 | + char **regexargs = NULL, *tmp, *tmp2; |
| 60 | + orte_node_t *nptr; |
| 61 | + orte_vpid_t vpid; |
| 62 | + |
| 63 | + OBJ_CONSTRUCT(&nodenms, opal_list_t); |
| 64 | + OBJ_CONSTRUCT(&dvpids, opal_list_t); |
| 65 | + |
| 66 | + rng = NULL; |
| 67 | + for (n=0; n < pool->size; n++) { |
| 68 | + if (NULL == (nptr = (orte_node_t*)opal_pointer_array_get_item(pool, n))) { |
| 69 | + continue; |
| 70 | + } |
| 71 | + /* if no daemon has been assigned, then this node is not being used */ |
| 72 | + if (NULL == nptr->daemon) { |
| 73 | + vpid = -1; // indicates no daemon assigned |
| 74 | + } else { |
| 75 | + vpid = nptr->daemon->name.vpid; |
| 76 | + } |
| 77 | + /* deal with the daemon vpid - see if it is next in the |
| 78 | + * current range */ |
| 79 | + if (NULL == rng) { |
| 80 | + /* just starting */ |
| 81 | + rng = OBJ_NEW(orte_regex_range_t); |
| 82 | + rng->vpid = vpid; |
| 83 | + rng->cnt = 1; |
| 84 | + opal_list_append(&dvpids, &rng->super); |
| 85 | + } else if (UINT32_MAX == vpid) { |
| 86 | + if (-1 == rng->vpid) { |
| 87 | + rng->cnt++; |
| 88 | + } else { |
| 89 | + /* need to start another range */ |
| 90 | + rng = OBJ_NEW(orte_regex_range_t); |
| 91 | + rng->vpid = vpid; |
| 92 | + rng->cnt = 1; |
| 93 | + opal_list_append(&dvpids, &rng->super); |
| 94 | + } |
| 95 | + } else if (-1 == rng->vpid) { |
| 96 | + /* need to start another range */ |
| 97 | + rng = OBJ_NEW(orte_regex_range_t); |
| 98 | + rng->vpid = vpid; |
| 99 | + rng->cnt = 1; |
| 100 | + opal_list_append(&dvpids, &rng->super); |
| 101 | + } else { |
| 102 | + /* is this the next in line */ |
| 103 | + if (vpid == (orte_vpid_t)(rng->vpid + rng->cnt)) { |
| 104 | + rng->cnt++; |
| 105 | + } else { |
| 106 | + /* need to start another range */ |
| 107 | + rng = OBJ_NEW(orte_regex_range_t); |
| 108 | + rng->vpid = vpid; |
| 109 | + rng->cnt = 1; |
| 110 | + opal_list_append(&dvpids, &rng->super); |
| 111 | + } |
| 112 | + } |
| 113 | + node = nptr->name; |
| 114 | + /* determine this node's prefix by looking for first digit char */ |
| 115 | + len = strlen(node); |
| 116 | + startnum = -1; |
| 117 | + memset(prefix, 0, ORTE_MAX_NODE_PREFIX); |
| 118 | + for (i=0, j=0; i < len; i++) { |
| 119 | + /* valid hostname characters are ascii letters, digits and the '-' character. */ |
| 120 | + if (isdigit(node[i])) { |
| 121 | + /* count the size of the numeric field - but don't |
| 122 | + * add the digits to the prefix |
| 123 | + */ |
| 124 | + if (startnum < 0) { |
| 125 | + /* okay, this defines end of the prefix */ |
| 126 | + startnum = i; |
| 127 | + } |
| 128 | + continue; |
| 129 | + } |
| 130 | + /* this must be either an alpha, a '.', or '-' */ |
| 131 | + if (!isalpha(node[i]) && '-' != node[i] && '.' != node[i]) { |
| 132 | + orte_show_help("help-regex.txt", "regex:invalid-name", true, node); |
| 133 | + return ORTE_ERR_SILENT; |
| 134 | + } |
| 135 | + if (startnum < 0) { |
| 136 | + prefix[j++] = node[i]; |
| 137 | + } |
| 138 | + } |
| 139 | + if (startnum < 0) { |
| 140 | + /* can't compress this name - just add it to the list */ |
| 141 | + ndreg = OBJ_NEW(orte_regex_node_t); |
| 142 | + ndreg->prefix = strdup(node); |
| 143 | + opal_list_append(&nodenms, &ndreg->super); |
| 144 | + continue; |
| 145 | + } |
| 146 | + /* convert the digits and get any suffix */ |
| 147 | + nodenum = strtol(&node[startnum], &sfx, 10); |
| 148 | + if (NULL != sfx) { |
| 149 | + suffix = strdup(sfx); |
| 150 | + numdigits = (int)(sfx - &node[startnum]); |
| 151 | + } else { |
| 152 | + suffix = NULL; |
| 153 | + numdigits = (int)strlen(&node[startnum]); |
| 154 | + } |
| 155 | + /* is this node name already on our list? */ |
| 156 | + found = false; |
| 157 | + if (0 != opal_list_get_size(&nodenms)) { |
| 158 | + ndreg = (orte_regex_node_t*)opal_list_get_last(&nodenms); |
| 159 | + |
| 160 | + if ((0 < strlen(prefix) && NULL == ndreg->prefix) || |
| 161 | + (0 == strlen(prefix) && NULL != ndreg->prefix) || |
| 162 | + (0 < strlen(prefix) && NULL != ndreg->prefix && |
| 163 | + 0 != strcmp(prefix, ndreg->prefix)) || |
| 164 | + (NULL == suffix && NULL != ndreg->suffix) || |
| 165 | + (NULL != suffix && NULL == ndreg->suffix) || |
| 166 | + (NULL != suffix && NULL != ndreg->suffix && |
| 167 | + 0 != strcmp(suffix, ndreg->suffix)) || |
| 168 | + (numdigits != ndreg->num_digits)) { |
| 169 | + found = false; |
| 170 | + } else { |
| 171 | + /* found a match - flag it */ |
| 172 | + found = true; |
| 173 | + } |
| 174 | + } |
| 175 | + if (found) { |
| 176 | + range = (orte_regex_range_t*)opal_list_get_last(&ndreg->ranges); |
| 177 | + if (NULL == range) { |
| 178 | + /* first range for this nodeid */ |
| 179 | + range = OBJ_NEW(orte_regex_range_t); |
| 180 | + range->vpid = nodenum; |
| 181 | + range->cnt = 1; |
| 182 | + opal_list_append(&ndreg->ranges, &range->super); |
| 183 | + /* see if the node number is out of sequence */ |
| 184 | + } else if (nodenum != (range->vpid + range->cnt)) { |
| 185 | + /* start a new range */ |
| 186 | + range = OBJ_NEW(orte_regex_range_t); |
| 187 | + range->vpid = nodenum; |
| 188 | + range->cnt = 1; |
| 189 | + opal_list_append(&ndreg->ranges, &range->super); |
| 190 | + } else { |
| 191 | + /* everything matches - just increment the cnt */ |
| 192 | + range->cnt++; |
| 193 | + } |
| 194 | + } else { |
| 195 | + /* need to add it */ |
| 196 | + ndreg = OBJ_NEW(orte_regex_node_t); |
| 197 | + if (0 < strlen(prefix)) { |
| 198 | + ndreg->prefix = strdup(prefix); |
| 199 | + } |
| 200 | + if (NULL != suffix) { |
| 201 | + ndreg->suffix = strdup(suffix); |
| 202 | + } |
| 203 | + ndreg->num_digits = numdigits; |
| 204 | + opal_list_append(&nodenms, &ndreg->super); |
| 205 | + /* record the first range for this nodeid - we took |
| 206 | + * care of names we can't compress above |
| 207 | + */ |
| 208 | + range = OBJ_NEW(orte_regex_range_t); |
| 209 | + range->vpid = nodenum; |
| 210 | + range->cnt = 1; |
| 211 | + opal_list_append(&ndreg->ranges, &range->super); |
| 212 | + } |
| 213 | + if (NULL != suffix) { |
| 214 | + free(suffix); |
| 215 | + } |
| 216 | + } |
| 217 | + /* begin constructing the regular expression */ |
| 218 | + while (NULL != (item = opal_list_remove_first(&nodenms))) { |
| 219 | + ndreg = (orte_regex_node_t*)item; |
| 220 | + |
| 221 | + /* if no ranges, then just add the name */ |
| 222 | + if (0 == opal_list_get_size(&ndreg->ranges)) { |
| 223 | + if (NULL != ndreg->prefix) { |
| 224 | + /* solitary node */ |
| 225 | + opal_asprintf(&tmp, "%s", ndreg->prefix); |
| 226 | + opal_argv_append_nosize(®exargs, tmp); |
| 227 | + free(tmp); |
| 228 | + } |
| 229 | + OBJ_RELEASE(ndreg); |
| 230 | + continue; |
| 231 | + } |
| 232 | + /* start the regex for this nodeid with the prefix */ |
| 233 | + if (NULL != ndreg->prefix) { |
| 234 | + opal_asprintf(&tmp, "%s[%d:", ndreg->prefix, ndreg->num_digits); |
| 235 | + } else { |
| 236 | + opal_asprintf(&tmp, "[%d:", ndreg->num_digits); |
| 237 | + } |
| 238 | + /* add the ranges */ |
| 239 | + while (NULL != (itm2 = opal_list_remove_first(&ndreg->ranges))) { |
| 240 | + range = (orte_regex_range_t*)itm2; |
| 241 | + if (1 == range->cnt) { |
| 242 | + opal_asprintf(&tmp2, "%s%u,", tmp, range->vpid); |
| 243 | + } else { |
| 244 | + opal_asprintf(&tmp2, "%s%u-%u,", tmp, range->vpid, range->vpid + range->cnt - 1); |
| 245 | + } |
| 246 | + free(tmp); |
| 247 | + tmp = tmp2; |
| 248 | + OBJ_RELEASE(range); |
| 249 | + } |
| 250 | + /* replace the final comma */ |
| 251 | + tmp[strlen(tmp)-1] = ']'; |
| 252 | + if (NULL != ndreg->suffix) { |
| 253 | + /* add in the suffix, if provided */ |
| 254 | + opal_asprintf(&tmp2, "%s%s", tmp, ndreg->suffix); |
| 255 | + free(tmp); |
| 256 | + tmp = tmp2; |
| 257 | + } |
| 258 | + opal_argv_append_nosize(®exargs, tmp); |
| 259 | + free(tmp); |
| 260 | + OBJ_RELEASE(ndreg); |
| 261 | + } |
| 262 | + |
| 263 | + /* assemble final result */ |
| 264 | + nodenames = opal_argv_join(regexargs, ','); |
| 265 | + /* cleanup */ |
| 266 | + opal_argv_free(regexargs); |
| 267 | + OBJ_DESTRUCT(&nodenms); |
| 268 | + |
| 269 | + /* do the same for the vpids */ |
| 270 | + tmp = NULL; |
| 271 | + while (NULL != (item = opal_list_remove_first(&dvpids))) { |
| 272 | + rng = (orte_regex_range_t*)item; |
| 273 | + if (1 < rng->cnt) { |
| 274 | + if (NULL == tmp) { |
| 275 | + opal_asprintf(&tmp, "%u(%u)", rng->vpid, rng->cnt); |
| 276 | + } else { |
| 277 | + opal_asprintf(&tmp2, "%s,%u(%u)", tmp, rng->vpid, rng->cnt); |
| 278 | + free(tmp); |
| 279 | + tmp = tmp2; |
| 280 | + } |
| 281 | + } else { |
| 282 | + if (NULL == tmp) { |
| 283 | + opal_asprintf(&tmp, "%u", rng->vpid); |
| 284 | + } else { |
| 285 | + opal_asprintf(&tmp2, "%s,%u", tmp, rng->vpid); |
| 286 | + free(tmp); |
| 287 | + tmp = tmp2; |
| 288 | + } |
| 289 | + } |
| 290 | + OBJ_RELEASE(rng); |
| 291 | + } |
| 292 | + OPAL_LIST_DESTRUCT(&dvpids); |
| 293 | + |
| 294 | + /* now concatenate the results into one string */ |
| 295 | + opal_asprintf(&tmp2, "%s@%s", nodenames, tmp); |
| 296 | + free(nodenames); |
| 297 | + free(tmp); |
| 298 | + *regex = tmp2; |
| 299 | + return ORTE_SUCCESS; |
| 300 | +} |
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