lnet/utils/lst.c

   1 /*
   2  * GPL HEADER START
   3  *
   4  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU General Public License version 2 only,
   8  * as published by the Free Software Foundation.
   9  *
  10  * This program is distributed in the hope that it will be useful, but
  11  * WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License version 2 for more details (a copy is included
  14  * in the LICENSE file that accompanied this code).
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * version 2 along with this program; If not, see
  18  * http://www.gnu.org/licenses/gpl-2.0.html
  19  *
  20  * GPL HEADER END
  21  */
  22 /*
  23  * Copyright (c) 2007, 2010, Oracle and/or its affiliates. All rights reserved.
  24  * Use is subject to license terms.
  25  *
  26  * Copyright (c) 2012, 2017, Intel Corporation.
  27  */
  28 /*
  29  * This file is part of Lustre, http://www.lustre.org/
  30  * Lustre is a trademark of Sun Microsystems, Inc.
  31  *
  32  * lnet/selftest/conctl.c
  33  *
  34  * Author: Liang Zhen <liangzhen@clusterfs.com>
  35  */
  36 #include <errno.h>
  37 #include <getopt.h>
  38 #include <inttypes.h>
  39 #include <pwd.h>
  40 #include <unistd.h>
  41 #include <stdarg.h>
  42 #include <stdio.h>
  43 #include <stdlib.h>
  44 #include <string.h>
  45 #include <sys/ioctl.h>
  46 #include <time.h>
  47
  48 #include <libcfs/util/list.h>
  49 #include <libcfs/util/ioctl.h>
  50 #include <libcfs/util/parser.h>
  51 #include <linux/lnet/lnetctl.h>
  52 #include <linux/lnet/lnetst.h>
  53 #include <linux/lnet/nidstr.h>
  54 #include "lnetconfig/liblnetconfig.h"
  55
  56 struct lst_sid LST_INVALID_SID = { .ses_nid = LNET_NID_ANY, .ses_stamp = -1 };
  57 static struct lst_sid session_id;
  58 static int                 session_key;
  59 static int lst_list_commands(int argc, char **argv);
  60
  61 /* All nodes running 2.6.50 or later understand feature LST_FEAT_BULK_LEN */
  62 static unsigned         session_features = LST_FEATS_MASK;
  63 static struct lstcon_trans_stat trans_stat;
  64
  65 typedef struct list_string {
  66         struct list_string *lstr_next;
  67         int                 lstr_sz;
  68         char                lstr_str[0];
  69 } lstr_t;
  70
  71 #ifndef offsetof
  72 # define offsetof(typ,memb)     ((unsigned long)((char *)&(((typ *)0)->memb)))
  73 #endif
  74
  75 static int alloc_count = 0;
  76 static int alloc_nob   = 0;
  77
  78 lstr_t *
  79 alloc_lstr(int sz)
  80 {
  81         lstr_t  *lstr = malloc(offsetof(lstr_t, lstr_str[sz]));
  82
  83         if (lstr == NULL) {
  84                 fprintf(stderr, "Can't allocate lstr\n");
  85                 abort();
  86         }
  87
  88         alloc_nob += sz;
  89         alloc_count++;
  90
  91         lstr->lstr_str[0] = 0;
  92         lstr->lstr_sz = sz;
  93         return lstr;
  94 }
  95
  96 void
  97 free_lstr(lstr_t *lstr)
  98 {
  99         alloc_count--;
 100         alloc_nob -= lstr->lstr_sz;
 101         free(lstr);
 102 }
 103
 104 void
 105 free_lstrs(lstr_t **list)
 106 {
 107         lstr_t   *lstr;
 108
 109         while ((lstr = *list) != NULL) {
 110                 *list = lstr->lstr_next;
 111                 free_lstr(lstr);
 112         }
 113 }
 114
 115 void
 116 new_lstrs(lstr_t **list, char *prefix, char *postfix,
 117           int lo, int hi, int stride)
 118 {
 119         int    n1 = strlen(prefix);
 120         int    n2 = strlen(postfix);
 121         int    sz = n1 + 20 + n2 + 1;
 122
 123         do {
 124                 lstr_t *n = alloc_lstr(sz);
 125
 126                 snprintf(n->lstr_str, sz - 1, "%s%u%s",
 127                          prefix, lo, postfix);
 128
 129                 n->lstr_next = *list;
 130                 *list = n;
 131
 132                 lo += stride;
 133         } while (lo <= hi);
 134 }
 135
 136 int
 137 expand_lstr(lstr_t **list, lstr_t *l)
 138 {
 139         int          nob = strlen(l->lstr_str);
 140         char        *b1;
 141         char        *b2;
 142         char        *expr;
 143         char        *sep;
 144         int          x;
 145         int          y;
 146         int          z;
 147         int          n;
 148
 149         b1 = strchr(l->lstr_str, '[');
 150         if (b1 == NULL) {
 151                 l->lstr_next = *list;
 152                 *list = l;
 153                 return 0;
 154         }
 155
 156         b2 = strchr(b1, ']');
 157         if (b2 == NULL || b2 == b1 + 1)
 158                 return -1;
 159
 160         *b1++ = 0;
 161         *b2++ = 0;
 162         expr = b1;
 163         do {
 164
 165                 sep = strchr(expr, ',');
 166                 if (sep != NULL)
 167                         *sep++ = 0;
 168
 169                 nob = strlen(expr);
 170                 n = nob;
 171                 if (sscanf(expr, "%u%n", &x, &n) >= 1 && n == nob) {
 172                         /* simple number */
 173                         new_lstrs(list, l->lstr_str, b2, x, x, 1);
 174                         continue;
 175                 }
 176
 177                 n = nob;
 178                 if (sscanf(expr, "%u-%u%n", &x, &y, &n) >= 2 && n == nob &&
 179                     x < y) {
 180                         /* simple range */
 181                         new_lstrs(list, l->lstr_str, b2, x, y, 1);
 182                         continue;
 183                 }
 184
 185                 n = nob;
 186                 if (sscanf(expr, "%u-%u/%u%n", &x, &y, &z, &n) >= 3 && n == nob &&
 187                     x < y) {
 188                         /* strided range */
 189                         new_lstrs(list, l->lstr_str, b2, x, y, z);
 190                         continue;
 191                 }
 192
 193                 /* syntax error */
 194                 return -1;
 195         } while ((expr = sep) != NULL);
 196
 197         free_lstr(l);
 198
 199         return 1;
 200 }
 201
 202 int
 203 expand_strs(char *str, lstr_t **head)
 204 {
 205         lstr_t  *list = NULL;
 206         lstr_t  *nlist;
 207         lstr_t  *l;
 208         int      rc = 0;
 209         int      expanded;
 210
 211         l = alloc_lstr(strlen(str) + 1);
 212         memcpy(l->lstr_str, str, strlen(str) + 1);
 213         l->lstr_next = NULL;
 214         list = l;
 215
 216         do {
 217                 expanded = 0;
 218                 nlist = NULL;
 219
 220                 while ((l = list) != NULL) {
 221                         list = l->lstr_next;
 222
 223                         rc = expand_lstr(&nlist, l);
 224                         if (rc < 0) {
 225                                 fprintf(stderr, "Syntax error in \"%s\"\n", str);
 226                                 free_lstr(l);
 227                                 break;
 228                         }
 229
 230                         expanded |= rc > 0;
 231                 }
 232
 233                 /* re-order onto 'list' */
 234                 while ((l = nlist) != NULL) {
 235                         nlist = l->lstr_next;
 236                         l->lstr_next = list;
 237                         list = l;
 238                 }
 239
 240         } while (expanded && rc > 0);
 241
 242         if (rc >= 0) {
 243                 *head = list;
 244                 return 0;
 245         }
 246
 247         while ((l = list) != NULL) {
 248                 list = l->lstr_next;
 249
 250                 free_lstr(l);
 251         }
 252         return rc;
 253 }
 254
 255 int
 256 lst_parse_nids(char *str, int *countp, struct lnet_process_id **idspp)
 257 {
 258         lstr_t  *head = NULL;
 259         lstr_t  *l;
 260         int      c = 0;
 261         int      i;
 262         int      rc;
 263
 264         rc = expand_strs(str, &head);
 265         if (rc != 0)
 266                 goto out;
 267
 268         l = head;
 269         while (l != NULL) {
 270                 l = l->lstr_next;
 271                 c++;
 272         }
 273
 274         *idspp = malloc(c * sizeof(struct lnet_process_id));
 275         if (*idspp == NULL) {
 276                 fprintf(stderr, "Out of memory\n");
 277                 rc = -1;
 278         }
 279
 280         *countp = c;
 281 out:
 282         i = 0;
 283         while ((l = head) != NULL) {
 284                 head = l->lstr_next;
 285
 286                 if (rc == 0) {
 287                         (*idspp)[i].nid = libcfs_str2nid(l->lstr_str);
 288                         if ((*idspp)[i].nid == LNET_NID_ANY) {
 289                                 fprintf(stderr, "Invalid nid: %s\n",
 290                                         l->lstr_str);
 291                                 rc = -1;
 292                         }
 293
 294                         (*idspp)[i].pid = LNET_PID_LUSTRE;
 295                         i++;
 296                 }
 297
 298                 free_lstr(l);
 299         }
 300
 301         if (rc == 0)
 302                 return 0;
 303
 304         free(*idspp);
 305         *idspp = NULL;
 306
 307         return rc;
 308 }
 309
 310 char *
 311 lst_node_state2str(int state)
 312 {
 313         if (state == LST_NODE_ACTIVE)
 314                 return "Active";
 315         if (state == LST_NODE_BUSY)
 316                 return "Busy";
 317         if (state == LST_NODE_DOWN)
 318                 return "Down";
 319
 320         return "Unknown";
 321 }
 322
 323 int
 324 lst_node_str2state(char *str)
 325 {
 326         if (strcasecmp(str, "active") == 0)
 327                 return LST_NODE_ACTIVE;
 328         if (strcasecmp(str, "busy") == 0)
 329                 return LST_NODE_BUSY;
 330         if (strcasecmp(str, "down") == 0)
 331                 return LST_NODE_DOWN;
 332         if (strcasecmp(str, "unknown") == 0)
 333                 return LST_NODE_UNKNOWN;
 334         if (strcasecmp(str, "invalid") == 0)
 335                 return (LST_NODE_UNKNOWN | LST_NODE_DOWN | LST_NODE_BUSY);
 336
 337         return -1;
 338 }
 339
 340 char *
 341 lst_test_type2name(int type)
 342 {
 343         if (type == LST_TEST_PING)
 344                 return "ping";
 345         if (type == LST_TEST_BULK)
 346                 return "brw";
 347
 348         return "unknown";
 349 }
 350
 351 int
 352 lst_test_name2type(char *name)
 353 {
 354         if (strcasecmp(name, "ping") == 0)
 355                 return LST_TEST_PING;
 356         if (strcasecmp(name, "brw") == 0)
 357                 return LST_TEST_BULK;
 358
 359         return -1;
 360 }
 361
 362 void
 363 lst_print_usage(char *cmd)
 364 {
 365         Parser_printhelp(cmd);
 366 }
 367
 368 void
 369 lst_print_error(char *sub, const char *def_format, ...)
 370 {
 371         va_list ap;
 372
 373         /* local error returned from kernel */
 374         switch (errno) {
 375         case ESRCH:
 376                 fprintf(stderr, "No session exists\n");
 377                 return;
 378         case ESHUTDOWN:
 379                 fprintf(stderr, "Session is shutting down\n");
 380                 return;
 381         case EACCES:
 382                 fprintf(stderr, "Unmatched session key or not root\n");
 383                 return;
 384         case ENOENT:
 385                 fprintf(stderr, "Can't find %s in current session\n", sub);
 386                 return;
 387         case EINVAL:
 388                 fprintf(stderr, "Invalid parameters list in command line\n");
 389                 return;
 390         case EFAULT:
 391                 fprintf(stderr, "Bad parameter address\n");
 392                 return;
 393         case EEXIST:
 394                 fprintf(stderr, "%s already exists\n", sub);
 395                 return;
 396         default:
 397                 va_start(ap, def_format);
 398                 vfprintf(stderr, def_format, ap);
 399                 va_end(ap);
 400
 401                 return;
 402         }
 403 }
 404
 405 void
 406 lst_free_rpcent(struct list_head *head)
 407 {
 408         struct lstcon_rpc_ent *ent;
 409
 410         while (!list_empty(head)) {
 411                 ent = list_entry(head->next, struct lstcon_rpc_ent, rpe_link);
 412
 413                 list_del(&ent->rpe_link);
 414                 free(ent);
 415         }
 416 }
 417
 418 void
 419 lst_reset_rpcent(struct list_head *head)
 420 {
 421         struct lstcon_rpc_ent *ent;
 422
 423         list_for_each_entry(ent, head, rpe_link) {
 424                 ent->rpe_sid       = LST_INVALID_SID;
 425                 ent->rpe_peer.nid  = LNET_NID_ANY;
 426                 ent->rpe_peer.pid  = LNET_PID_ANY;
 427                 ent->rpe_rpc_errno = ent->rpe_fwk_errno = 0;
 428         }
 429 }
 430
 431 int
 432 lst_alloc_rpcent(struct list_head *head, int count, int offset)
 433 {
 434         struct lstcon_rpc_ent *ent;
 435         int               i;
 436
 437         for (i = 0; i < count; i++) {
 438                 ent = malloc(offsetof(struct lstcon_rpc_ent, rpe_payload[offset]));
 439                 if (ent == NULL) {
 440                         lst_free_rpcent(head);
 441                         return -1;
 442                 }
 443
 444                 memset(ent, 0, offsetof(struct lstcon_rpc_ent, rpe_payload[offset]));
 445
 446                 ent->rpe_sid      = LST_INVALID_SID;
 447                 ent->rpe_peer.nid = LNET_NID_ANY;
 448                 ent->rpe_peer.pid = LNET_PID_ANY;
 449                 list_add(&ent->rpe_link, head);
 450         }
 451
 452         return 0;
 453 }
 454
 455 void
 456 lst_print_transerr(struct list_head *head, char *optstr)
 457 {
 458         struct lstcon_rpc_ent *ent;
 459
 460         list_for_each_entry(ent, head, rpe_link) {
 461                 if (ent->rpe_rpc_errno == 0 && ent->rpe_fwk_errno == 0)
 462                         continue;
 463
 464                 if (ent->rpe_rpc_errno != 0) {
 465                         fprintf(stderr, "%s RPC failed on %s: %s\n",
 466                                 optstr, libcfs_id2str(ent->rpe_peer),
 467                                 strerror(ent->rpe_rpc_errno));
 468                         continue;
 469                 }
 470
 471                 fprintf(stderr, "operation %s failed on %s: %s\n",
 472                         optstr, libcfs_id2str(ent->rpe_peer),
 473                         strerror(ent->rpe_fwk_errno));
 474         }
 475 }
 476
 477 int lst_info_batch_ioctl(char *batch, int test, int server,
 478                         struct lstcon_test_batch_ent *entp, int *idxp,
 479                         int *ndentp, struct lstcon_node_ent *dentsp);
 480
 481 int lst_info_group_ioctl(char *name, struct lstcon_ndlist_ent *gent,
 482                          int *idx, int *count, struct lstcon_node_ent *dents);
 483
 484 int lst_query_batch_ioctl(char *batch, int test, int server,
 485                           int timeout, struct list_head *head);
 486
 487 int
 488 lst_ioctl(unsigned int opc, void *buf, int len)
 489 {
 490         struct libcfs_ioctl_data data;
 491         int    rc;
 492
 493         LIBCFS_IOC_INIT (data);
 494         data.ioc_u32[0]  = opc;
 495         data.ioc_plen1   = len;
 496         data.ioc_pbuf1   = (char *)buf;
 497         data.ioc_plen2   = sizeof(trans_stat);
 498         data.ioc_pbuf2   = (char *)&trans_stat;
 499
 500         memset(&trans_stat, 0, sizeof(trans_stat));
 501
 502         rc = l_ioctl(LNET_DEV_ID, IOC_LIBCFS_LNETST, &data);
 503
 504         /* local error, no valid RPC result */
 505         if (rc != 0)
 506                 return -1;
 507
 508         /* RPC error */
 509         if (trans_stat.trs_rpc_errno != 0)
 510                 return -2;
 511
 512         /* Framework error */
 513         if (trans_stat.trs_fwk_errno != 0)
 514                 return -3;
 515
 516         return 0;
 517 }
 518
 519 int
 520 lst_new_session_ioctl(char *name, int timeout, int force, struct lst_sid *sid)
 521 {
 522         struct lstio_session_new_args args = { 0 };
 523
 524         args.lstio_ses_key     = session_key;
 525         args.lstio_ses_timeout = timeout;
 526         args.lstio_ses_force   = force;
 527         args.lstio_ses_idp     = sid;
 528         args.lstio_ses_feats   = session_features;
 529         args.lstio_ses_nmlen   = strlen(name);
 530         args.lstio_ses_namep   = name;
 531
 532         return lst_ioctl (LSTIO_SESSION_NEW, &args, sizeof(args));
 533 }
 534
 535 int
 536 jt_lst_new_session(int argc, char **argv)
 537 {
 538         char  buf[LST_NAME_SIZE * 2 + 1];
 539         char *name;
 540         int   optidx = 0;
 541         int   timeout = 300;
 542         int   force = 0;
 543         int   c;
 544         int   rc;
 545
 546         static const struct option session_opts[] = {
 547                 { .name = "timeout", .has_arg = required_argument, .val = 't' },
 548                 { .name = "force",   .has_arg = no_argument,       .val = 'f' },
 549                 { .name = NULL } };
 550
 551         if (session_key == 0) {
 552                 fprintf(stderr,
 553                         "Can't find env LST_SESSION or value is not valid\n");
 554                 return -1;
 555         }
 556
 557         while (1) {
 558
 559                 c = getopt_long(argc, argv, "ft:",
 560                                 session_opts, &optidx);
 561
 562                 if (c == -1)
 563                         break;
 564
 565                 switch (c) {
 566                 case 'f':
 567                         force = 1;
 568                         break;
 569                 case 't':
 570                         timeout = atoi(optarg);
 571                         break;
 572                 default:
 573                         lst_print_usage(argv[0]);
 574                         return -1;
 575                 }
 576         }
 577
 578         if (timeout <= 0) {
 579                 fprintf(stderr, "Invalid timeout value\n");
 580                 return -1;
 581         }
 582
 583         if (optind == argc - 1) {
 584                 name = argv[optind ++];
 585                 if (strlen(name) >= LST_NAME_SIZE) {
 586                         fprintf(stderr, "Name size is limited to %d\n",
 587                                 LST_NAME_SIZE - 1);
 588                         return -1;
 589                 }
 590
 591         } else if (optind == argc) {
 592                 char           user[LST_NAME_SIZE];
 593                 char           host[LST_NAME_SIZE];
 594                 struct passwd *pw = getpwuid(getuid());
 595
 596                 if (pw == NULL)
 597                         snprintf(user, sizeof(user), "%d", (int)getuid());
 598                 else
 599                         snprintf(user, sizeof(user), "%s", pw->pw_name);
 600
 601                 rc = gethostname(host, sizeof(host));
 602                 if (rc != 0)
 603                         snprintf(host, sizeof(host), "unknown_host");
 604
 605                 snprintf(buf, sizeof(buf), "%s@%s", user, host);
 606                 name = buf;
 607
 608         } else {
 609                 lst_print_usage(argv[0]);
 610                 return -1;
 611         }
 612
 613         rc = lst_new_session_ioctl(name, timeout, force, &session_id);
 614         if (rc != 0) {
 615                 lst_print_error("session", "Failed to create session: %s\n",
 616                                 strerror(errno));
 617                 return rc;
 618         }
 619
 620         fprintf(stdout, "SESSION: %s FEATURES: %x TIMEOUT: %d FORCE: %s\n",
 621                 name, session_features, timeout, force ? "Yes" : "No");
 622         return 0;
 623 }
 624
 625 int
 626 lst_session_info_ioctl(char *name, int len, int *key, unsigned *featp,
 627                        struct lst_sid *sid, struct lstcon_ndlist_ent *ndinfo)
 628 {
 629         struct lstio_session_info_args args = { 0 };
 630
 631         args.lstio_ses_idp     = sid;
 632         args.lstio_ses_keyp    = key;
 633         args.lstio_ses_featp   = featp;
 634         args.lstio_ses_ndinfo  = ndinfo;
 635         args.lstio_ses_nmlen   = len;
 636         args.lstio_ses_namep   = name;
 637
 638         return lst_ioctl(LSTIO_SESSION_INFO, &args, sizeof(args));
 639 }
 640
 641 int
 642 jt_lst_show_session(int argc, char **argv)
 643 {
 644         struct lstcon_ndlist_ent ndinfo;
 645         struct lst_sid sid;
 646         char                name[LST_NAME_SIZE];
 647         unsigned            feats;
 648         int                 key;
 649         int                 rc;
 650
 651         rc = lst_session_info_ioctl(name, sizeof(name), &key,
 652                                     &feats, &sid, &ndinfo);
 653
 654         if (rc != 0) {
 655                 lst_print_error("session", "Failed to show session: %s\n",
 656                                 strerror(errno));
 657                 return -1;
 658         }
 659
 660         fprintf(stdout, "%s ID: %ju@%s, KEY: %d FEATURES: %x NODES: %d\n",
 661                 name, (uintmax_t)sid.ses_stamp, libcfs_nid2str(sid.ses_nid),
 662                 key, feats, ndinfo.nle_nnode);
 663
 664         return 0;
 665 }
 666
 667 int
 668 lst_end_session_ioctl(void)
 669 {
 670         struct lstio_session_end_args args = { 0 };
 671
 672         args.lstio_ses_key = session_key;
 673         return lst_ioctl(LSTIO_SESSION_END, &args, sizeof(args));
 674 }
 675
 676 int
 677 jt_lst_end_session(int argc, char **argv)
 678 {
 679         int             rc;
 680
 681         if (session_key == 0) {
 682                 fprintf(stderr,
 683                         "Can't find env LST_SESSION or value is not valid\n");
 684                 return -1;
 685         }
 686
 687         rc = lst_end_session_ioctl();
 688
 689         if (rc == 0) {
 690                 fprintf(stdout, "session is ended\n");
 691                 return 0;
 692         }
 693
 694         if (rc == -1) {
 695                 lst_print_error("session", "Failed to end session: %s\n",
 696                                 strerror(errno));
 697                 return rc;
 698         }
 699
 700         if (trans_stat.trs_rpc_errno != 0) {
 701                 fprintf(stderr,
 702                         "[RPC] Failed to send %d session RPCs: %s\n",
 703                         lstcon_rpc_stat_failure(&trans_stat, 0),
 704                         strerror(trans_stat.trs_rpc_errno));
 705         }
 706
 707         if (trans_stat.trs_fwk_errno != 0) {
 708                 fprintf(stderr,
 709                         "[FWK] Failed to end session on %d nodes: %s\n",
 710                         lstcon_sesop_stat_failure(&trans_stat, 0),
 711                         strerror(trans_stat.trs_fwk_errno));
 712         }
 713
 714         return rc;
 715 }
 716
 717 int
 718 lst_ping_ioctl(char *str, int type, int timeout,
 719                int count, struct lnet_process_id *ids, struct list_head *head)
 720 {
 721         struct lstio_debug_args args = { 0 };
 722
 723         args.lstio_dbg_key     = session_key;
 724         args.lstio_dbg_type    = type;
 725         args.lstio_dbg_flags   = 0;
 726         args.lstio_dbg_timeout = timeout;
 727         args.lstio_dbg_nmlen   = (str == NULL) ? 0: strlen(str);
 728         args.lstio_dbg_namep   = str;
 729         args.lstio_dbg_count   = count;
 730         args.lstio_dbg_idsp    = ids;
 731         args.lstio_dbg_resultp = head;
 732
 733         return lst_ioctl (LSTIO_DEBUG, &args, sizeof(args));
 734 }
 735
 736 int
 737 lst_get_node_count(int type, char *str, int *countp,
 738                    struct lnet_process_id **idspp)
 739 {
 740         char                    buf[LST_NAME_SIZE];
 741         struct lstcon_test_batch_ent ent;
 742         struct lstcon_ndlist_ent    *entp = &ent.tbe_cli_nle;
 743         struct lst_sid sid;
 744         unsigned                feats;
 745         int                     key;
 746         int                     rc;
 747
 748         switch (type) {
 749         case LST_OPC_SESSION:
 750                 rc = lst_session_info_ioctl(buf, LST_NAME_SIZE,
 751                                             &key, &feats, &sid, entp);
 752                 break;
 753
 754         case LST_OPC_BATCHSRV:
 755                 entp = &ent.tbe_srv_nle;
 756         case LST_OPC_BATCHCLI:
 757                 rc = lst_info_batch_ioctl(str, 0, 0, &ent, NULL, NULL, NULL);
 758                 break;
 759
 760         case LST_OPC_GROUP:
 761                 rc = lst_info_group_ioctl(str, entp, NULL, NULL, NULL);
 762                 break;
 763
 764         case LST_OPC_NODES:
 765                 rc = lst_parse_nids(str, &entp->nle_nnode, idspp) < 0 ? -1 : 0;
 766                 break;
 767
 768         default:
 769                 rc = -1;
 770                 break;
 771         }
 772
 773         if (rc == 0)
 774                 *countp = entp->nle_nnode;
 775
 776         return rc;
 777 }
 778
 779 int
 780 jt_lst_ping(int argc,  char **argv)
 781 {
 782         struct list_head   head;
 783         struct lnet_process_id *ids = NULL;
 784         struct lstcon_rpc_ent  *ent = NULL;
 785         char              *str = NULL;
 786         int                optidx  = 0;
 787         int                server  = 0;
 788         int                timeout = 5;
 789         int                count   = 0;
 790         int                type    = 0;
 791         int                rc      = 0;
 792         int                c;
 793
 794         static const struct option ping_opts[] = {
 795                 { .name = "session", .has_arg = no_argument,       .val = 's' },
 796                 { .name = "server",  .has_arg = no_argument,       .val = 'v' },
 797                 { .name = "batch",   .has_arg = required_argument, .val = 'b' },
 798                 { .name = "group",   .has_arg = required_argument, .val = 'g' },
 799                 { .name = "nodes",   .has_arg = required_argument, .val = 'n' },
 800                 { .name = "timeout", .has_arg = required_argument, .val = 't' },
 801                 { .name = NULL, } };
 802
 803         if (session_key == 0) {
 804                 fprintf(stderr,
 805                         "Can't find env LST_SESSION or value is not valid\n");
 806                 return -1;
 807         }
 808
 809         while (1) {
 810
 811                 c = getopt_long(argc, argv, "g:b:n:t:sv",
 812                                 ping_opts, &optidx);
 813
 814                 if (c == -1)
 815                         break;
 816
 817                 switch (c) {
 818                 case 's':
 819                         type = LST_OPC_SESSION;
 820                         break;
 821
 822                 case 'g':
 823                         type = LST_OPC_GROUP;
 824                         str = optarg;
 825                         break;
 826
 827                 case 'b':
 828                         type = LST_OPC_BATCHCLI;
 829                         str = optarg;
 830                         break;
 831
 832                 case 'n':
 833                         type = LST_OPC_NODES;
 834                         str = optarg;
 835                         break;
 836
 837                 case 't':
 838                         timeout = atoi(optarg);
 839                         break;
 840
 841                 case 'v':
 842                         server = 1;
 843                         break;
 844
 845                 default:
 846                         lst_print_usage(argv[0]);
 847                         return -1;
 848                 }
 849         }
 850
 851         if (type == 0 || timeout <= 0 || optind != argc) {
 852                 lst_print_usage(argv[0]);
 853                 return -1;
 854         }
 855
 856         if (type == LST_OPC_BATCHCLI && server)
 857                 type = LST_OPC_BATCHSRV;
 858
 859         rc = lst_get_node_count(type, str, &count, &ids);
 860         if (rc < 0) {
 861                 fprintf(stderr, "Failed to get count of nodes from %s: %s\n",
 862                         (str == NULL) ? "session" : str, strerror(errno));
 863                 return -1;
 864         }
 865
 866         INIT_LIST_HEAD(&head);
 867
 868         rc = lst_alloc_rpcent(&head, count, LST_NAME_SIZE);
 869         if (rc != 0) {
 870                 fprintf(stderr, "Out of memory\n");
 871                 goto out;
 872         }
 873
 874         if (count == 0) {
 875                 fprintf(stdout, "Target %s is empty\n",
 876                         (str == NULL) ? "session" : str);
 877                 goto out;
 878         }
 879
 880         rc = lst_ping_ioctl(str, type, timeout, count, ids, &head);
 881         if (rc == -1) { /* local failure */
 882                 lst_print_error("debug", "Failed to ping %s: %s\n",
 883                                 (str == NULL) ? "session" : str,
 884                                 strerror(errno));
 885                 rc = -1;
 886                 goto out;
 887         }
 888
 889         /* ignore RPC errors and framwork errors */
 890         list_for_each_entry(ent, &head, rpe_link) {
 891                 fprintf(stdout, "\t%s: %s [session: %s id: %s]\n",
 892                         libcfs_id2str(ent->rpe_peer),
 893                         lst_node_state2str(ent->rpe_state),
 894                         (ent->rpe_state == LST_NODE_ACTIVE ||
 895                          ent->rpe_state == LST_NODE_BUSY) ?
 896                                 (ent->rpe_rpc_errno == 0 ?
 897                                         &ent->rpe_payload[0] : "Unknown") :
 898                                 "<NULL>", libcfs_nid2str(ent->rpe_sid.ses_nid));
 899         }
 900
 901 out:
 902         lst_free_rpcent(&head);
 903
 904         if (ids != NULL)
 905                 free(ids);
 906
 907         return rc;
 908
 909 }
 910
 911 int
 912 lst_add_nodes_ioctl(char *name, int count, struct lnet_process_id *ids,
 913                     unsigned *featp, struct list_head *resultp)
 914 {
 915         struct lstio_group_nodes_args args = { 0 };
 916
 917         args.lstio_grp_key     = session_key;
 918         args.lstio_grp_nmlen   = strlen(name);
 919         args.lstio_grp_namep   = name;
 920         args.lstio_grp_count   = count;
 921         args.lstio_grp_featp   = featp;
 922         args.lstio_grp_idsp    = ids;
 923         args.lstio_grp_resultp = resultp;
 924
 925         return lst_ioctl(LSTIO_NODES_ADD, &args, sizeof(args));
 926 }
 927
 928 int
 929 lst_del_group_ioctl(char *name)
 930 {
 931         struct lstio_group_del_args args = { 0 };
 932
 933         args.lstio_grp_key   = session_key;
 934         args.lstio_grp_nmlen = strlen(name);
 935         args.lstio_grp_namep = name;
 936
 937         return lst_ioctl(LSTIO_GROUP_DEL, &args, sizeof(args));
 938 }
 939
 940 int
 941 lst_del_group(char *grp_name)
 942 {
 943         int     rc;
 944
 945         rc = lst_del_group_ioctl(grp_name);
 946         if (rc == 0) {
 947                 fprintf(stdout, "Group is deleted\n");
 948                 return 0;
 949         }
 950
 951         if (rc == -1) {
 952                 lst_print_error("group", "Failed to delete group: %s\n",
 953                                 strerror(errno));
 954                 return rc;
 955         }
 956
 957         fprintf(stderr, "Group is deleted with some errors\n");
 958
 959         if (trans_stat.trs_rpc_errno != 0) {
 960                 fprintf(stderr,
 961                         "[RPC] Failed to send %d end session RPCs: %s\n",
 962                         lstcon_rpc_stat_failure(&trans_stat, 0),
 963                         strerror(trans_stat.trs_rpc_errno));
 964         }
 965
 966         if (trans_stat.trs_fwk_errno != 0) {
 967                 fprintf(stderr,
 968                         "[FWK] Failed to end session on %d nodes: %s\n",
 969                 lstcon_sesop_stat_failure(&trans_stat, 0),
 970                 strerror(trans_stat.trs_fwk_errno));
 971         }
 972
 973         return -1;
 974 }
 975
 976 int
 977 lst_add_group_ioctl(char *name)
 978 {
 979         struct lstio_group_add_args args = { 0 };
 980
 981         args.lstio_grp_key     =  session_key;
 982         args.lstio_grp_nmlen   =  strlen(name);
 983         args.lstio_grp_namep   =  name;
 984
 985         return lst_ioctl(LSTIO_GROUP_ADD, &args, sizeof(args));
 986 }
 987
 988 int
 989 jt_lst_add_group(int argc, char **argv)
 990 {
 991         struct list_head   head;
 992         struct lnet_process_id *ids;
 993         char              *name;
 994         unsigned           feats = session_features;
 995         int                count;
 996         int                rc;
 997         int                i;
 998         bool               nodes_added = false;
 999
1000         if (session_key == 0) {
1001                 fprintf(stderr,
1002                         "Can't find env LST_SESSION or value is not valid\n");
1003                 return -1;
1004         }
1005
1006         if (argc < 3) {
1007                 lst_print_usage(argv[0]);
1008                 return -1;
1009         }
1010
1011         name = argv[1];
1012         if (strlen(name) >= LST_NAME_SIZE) {
1013                 fprintf(stderr, "Name length is limited to %d\n",
1014                         LST_NAME_SIZE - 1);
1015                 return -1;
1016         }
1017
1018         rc = lst_add_group_ioctl(name);
1019         if (rc != 0) {
1020                 lst_print_error("group", "Failed to add group %s: %s\n",
1021                                 name, strerror(errno));
1022                 return -1;
1023         }
1024
1025         INIT_LIST_HEAD(&head);
1026
1027         for (i = 2; i < argc; i++) {
1028                 /* parse address list */
1029                 rc = lst_parse_nids(argv[i], &count, &ids);
1030                 if (rc < 0) {
1031                         fprintf(stderr, "Ignore invalid id list %s\n",
1032                                 argv[i]);
1033                         continue;
1034                 }
1035
1036                 if (count == 0)
1037                         continue;
1038
1039                 rc = lst_alloc_rpcent(&head, count, 0);
1040                 if (rc != 0) {
1041                         fprintf(stderr, "Out of memory\n");
1042                         free(ids);
1043                         rc = -1;
1044                         goto failed;
1045                 }
1046
1047                 rc = lst_add_nodes_ioctl(name, count, ids, &feats, &head);
1048
1049                 free(ids);
1050
1051                 if (rc != 0)
1052                         goto failed;
1053
1054                 fprintf(stdout, "%s are added to session\n", argv[i]);
1055
1056                 nodes_added = true;
1057
1058                 if ((feats & session_features) != session_features) {
1059                         fprintf(stdout,
1060                                 "Warning, this session will run with "
1061                                 "compatible mode because some test nodes "
1062                                 "might not understand these features: %x\n",
1063                                 (~feats & session_features));
1064                 }
1065
1066                 lst_free_rpcent(&head);
1067         }
1068
1069         if (!nodes_added) {
1070                 /*
1071                  * The selftest kernel module expects that a group should
1072                  * have at least one node, since it doesn't make sense for
1073                  * an empty group to be added to a test.
1074                  */
1075                 fprintf(stderr,
1076                         "No nodes added successfully, deleting group %s\n",
1077                         name);
1078                 rc = lst_del_group(name);
1079                 if (rc != 0) {
1080                         fprintf(stderr,
1081                                 "Failed to delete group %s."
1082                                 "  Group is empty.\n", name);
1083                 }
1084         }
1085
1086         return rc;
1087
1088 failed:
1089         if (rc == -1) {
1090                 lst_print_error("group", "Failed to add nodes %s: %s\n",
1091                                 argv[i], strerror(errno));
1092
1093         } else {
1094                 if (trans_stat.trs_fwk_errno == EPROTO) {
1095                         fprintf(stderr,
1096                                 "test nodes might have different LST "
1097                                 "features, please disable some features by "
1098                                 "setting LST_FEATURES\n");
1099                 }
1100
1101                 lst_print_transerr(&head, "create session");
1102         }
1103
1104         lst_free_rpcent(&head);
1105
1106         if (!nodes_added) {
1107                 fprintf(stderr,
1108                         "No nodes added successfully, deleting group %s\n",
1109                         name);
1110                 if (lst_del_group(name) != 0) {
1111                         fprintf(stderr,
1112                                 "Failed to delete group %s."
1113                                 "  Group is empty.\n", name);
1114                 }
1115         }
1116
1117         return rc;
1118 }
1119
1120 int
1121 jt_lst_del_group(int argc, char **argv)
1122 {
1123         int     rc;
1124
1125         if (session_key == 0) {
1126                 fprintf(stderr,
1127                         "Can't find env LST_SESSION or value is not valid\n");
1128                 return -1;
1129         }
1130
1131         if (argc != 2) {
1132                 lst_print_usage(argv[0]);
1133                 return -1;
1134         }
1135
1136         rc = lst_del_group(argv[1]);
1137
1138         return rc;
1139 }
1140
1141 int
1142 lst_update_group_ioctl(int opc, char *name, int clean, int count,
1143                        struct lnet_process_id *ids, struct list_head *resultp)
1144 {
1145         struct lstio_group_update_args args = { 0 };
1146
1147         args.lstio_grp_key      = session_key;
1148         args.lstio_grp_opc      = opc;
1149         args.lstio_grp_args     = clean;
1150         args.lstio_grp_nmlen    = strlen(name);
1151         args.lstio_grp_namep    = name;
1152         args.lstio_grp_count    = count;
1153         args.lstio_grp_idsp     = ids;
1154         args.lstio_grp_resultp  = resultp;
1155
1156         return lst_ioctl(LSTIO_GROUP_UPDATE, &args, sizeof(args));
1157 }
1158
1159 int
1160 jt_lst_update_group(int argc, char **argv)
1161 {
1162         struct list_head   head;
1163         struct lnet_process_id *ids = NULL;
1164         char              *str = NULL;
1165         char              *grp = NULL;
1166         int                optidx = 0;
1167         int                count = 0;
1168         int                clean = 0;
1169         int                opc = 0;
1170         int                rc;
1171         int                c;
1172
1173         static const struct option update_group_opts[] = {
1174                 { .name = "refresh", .has_arg = no_argument,       .val = 'f' },
1175                 { .name = "clean",   .has_arg = required_argument, .val = 'c' },
1176                 { .name = "remove",  .has_arg = required_argument, .val = 'r' },
1177                 { .name = NULL } };
1178
1179         if (session_key == 0) {
1180                 fprintf(stderr,
1181                         "Can't find env LST_SESSION or value is not valid\n");
1182                 return -1;
1183         }
1184
1185         while (1) {
1186                 c = getopt_long(argc, argv, "fc:r:",
1187                                 update_group_opts, &optidx);
1188
1189                 /* Detect the end of the options. */
1190                 if (c == -1)
1191                         break;
1192
1193                 switch (c) {
1194                 case 'f':
1195                         if (opc != 0) {
1196                                 lst_print_usage(argv[0]);
1197                                 return -1;
1198                         }
1199                         opc = LST_GROUP_REFRESH;
1200                         break;
1201
1202                 case 'r':
1203                         if (opc != 0) {
1204                                 lst_print_usage(argv[0]);
1205                                 return -1;
1206                         }
1207                         opc = LST_GROUP_RMND;
1208                         str = optarg;
1209                         break;
1210
1211                 case 'c':
1212                         clean = lst_node_str2state(optarg);
1213                         if (opc != 0 || clean <= 0) {
1214                                 lst_print_usage(argv[0]);
1215                                 return -1;
1216                         }
1217                         opc = LST_GROUP_CLEAN;
1218                         break;
1219
1220                 default:
1221                         lst_print_usage(argv[0]);
1222                         return -1;
1223                 }
1224         }
1225
1226         /* no OPC or group is specified */
1227         if (opc == 0 || optind != argc - 1) {
1228                 lst_print_usage(argv[0]);
1229                 return -1;
1230         }
1231
1232         grp = argv[optind];
1233
1234         INIT_LIST_HEAD(&head);
1235
1236         if (opc == LST_GROUP_RMND || opc == LST_GROUP_REFRESH) {
1237                 rc = lst_get_node_count(opc == LST_GROUP_RMND ? LST_OPC_NODES :
1238                                                                 LST_OPC_GROUP,
1239                                         opc == LST_GROUP_RMND ? str : grp,
1240                                         &count, &ids);
1241
1242                 if (rc != 0) {
1243                         fprintf(stderr, "Can't get count of nodes from %s: %s\n",
1244                                 opc == LST_GROUP_RMND ? str : grp,
1245                                 strerror(errno));
1246                         return -1;
1247                 }
1248
1249                 rc = lst_alloc_rpcent(&head, count, 0);
1250                 if (rc != 0) {
1251                         fprintf(stderr, "Out of memory\n");
1252                         free(ids);
1253                         return -1;
1254                 }
1255
1256         }
1257
1258         rc = lst_update_group_ioctl(opc, grp, clean, count, ids, &head);
1259
1260         if (ids != NULL)
1261                 free(ids);
1262
1263         if (rc == 0) {
1264                 lst_free_rpcent(&head);
1265                 return 0;
1266         }
1267
1268         if (rc == -1) {
1269                 lst_free_rpcent(&head);
1270                 lst_print_error("group", "Failed to update group: %s\n",
1271                                 strerror(errno));
1272                 return rc;
1273         }
1274
1275         lst_print_transerr(&head, "Updating group");
1276
1277         lst_free_rpcent(&head);
1278
1279         return rc;
1280 }
1281
1282 int
1283 lst_list_group_ioctl(int len, char *name, int idx)
1284 {
1285         struct lstio_group_list_args args = { 0 };
1286
1287         args.lstio_grp_key   = session_key;
1288         args.lstio_grp_idx   = idx;
1289         args.lstio_grp_nmlen = len;
1290         args.lstio_grp_namep = name;
1291
1292         return lst_ioctl(LSTIO_GROUP_LIST, &args, sizeof(args));
1293 }
1294
1295 int
1296 lst_info_group_ioctl(char *name, struct lstcon_ndlist_ent *gent,
1297                      int *idx, int *count, struct lstcon_node_ent *dents)
1298 {
1299         struct lstio_group_info_args args = { 0 };
1300
1301         args.lstio_grp_key    = session_key;
1302         args.lstio_grp_nmlen  = strlen(name);
1303         args.lstio_grp_namep  = name;
1304         args.lstio_grp_entp   = gent;
1305         args.lstio_grp_idxp   = idx;
1306         args.lstio_grp_ndentp = count;
1307         args.lstio_grp_dentsp = dents;
1308
1309         return lst_ioctl(LSTIO_GROUP_INFO, &args, sizeof(args));
1310 }
1311
1312 int
1313 lst_list_group_all(void)
1314 {
1315         char  name[LST_NAME_SIZE];
1316         int   rc;
1317         int   i;
1318
1319         /* no group is specified, list name of all groups */
1320         for (i = 0; ; i++) {
1321                 rc = lst_list_group_ioctl(LST_NAME_SIZE, name, i);
1322                 if (rc == 0) {
1323                         fprintf(stdout, "%d) %s\n", i + 1, name);
1324                         continue;
1325                 }
1326
1327                 if (errno == ENOENT)
1328                         break;
1329
1330                 lst_print_error("group", "Failed to list group: %s\n",
1331                                 strerror(errno));
1332                 return -1;
1333         }
1334
1335         fprintf(stdout, "Total %d groups\n", i);
1336
1337         return 0;
1338 }
1339
1340 #define LST_NODES_TITLE "\tACTIVE\tBUSY\tDOWN\tUNKNOWN\tTOTAL\n"
1341
1342 int
1343 jt_lst_list_group(int argc, char **argv)
1344 {
1345         struct lstcon_ndlist_ent gent;
1346         struct lstcon_node_ent   *dents;
1347         int optidx  = 0;
1348         int verbose = 0;
1349         int active  = 0;
1350         int busy    = 0;
1351         int down    = 0;
1352         int unknown = 0;
1353         int all     = 0;
1354         int count;
1355         int index;
1356         int i;
1357         int j;
1358         int c;
1359         int rc      = 0;
1360
1361         static const struct option list_group_opts[] = {
1362                 { .name = "active",  .has_arg = no_argument, .val = 'a' },
1363                 { .name = "busy",    .has_arg = no_argument, .val = 'b' },
1364                 { .name = "down",    .has_arg = no_argument, .val = 'd' },
1365                 { .name = "unknown", .has_arg = no_argument, .val = 'u' },
1366                 { .name = "all",     .has_arg = no_argument, .val = 'l' },
1367                 { .name = NULL, } };
1368
1369         if (session_key == 0) {
1370                 fprintf(stderr,
1371                         "Can't find env LST_SESSION or value is not valid\n");
1372                 return -1;
1373         }
1374
1375         while (1) {
1376                 c = getopt_long(argc, argv, "abdul",
1377                                 list_group_opts, &optidx);
1378
1379                 if (c == -1)
1380                         break;
1381
1382                 switch (c) {
1383                 case 'a':
1384                         verbose = active = 1;
1385                         all = 0;
1386                         break;
1387                 case 'b':
1388                         verbose = busy = 1;
1389                         all = 0;
1390                         break;
1391                 case 'd':
1392                         verbose = down = 1;
1393                         all = 0;
1394                         break;
1395                 case 'u':
1396                         verbose = unknown = 1;
1397                         all = 0;
1398                         break;
1399                 case 'l':
1400                         verbose = all = 1;
1401                         break;
1402                 default:
1403                         lst_print_usage(argv[0]);
1404                         return -1;
1405                 }
1406         }
1407
1408         if (optind == argc) {
1409                 /* no group is specified, list name of all groups */
1410                 rc = lst_list_group_all();
1411
1412                 return rc;
1413         }
1414
1415         if (!verbose)
1416                 fprintf(stdout, LST_NODES_TITLE);
1417
1418         /* list nodes in specified groups */
1419         for (i = optind; i < argc; i++) {
1420                 rc = lst_info_group_ioctl(argv[i], &gent, NULL, NULL, NULL);
1421                 if (rc != 0) {
1422                         if (errno == ENOENT) {
1423                                 rc = 0;
1424                                 break;
1425                         }
1426
1427                         lst_print_error("group", "Failed to list group\n",
1428                                         strerror(errno));
1429                         break;
1430                 }
1431
1432                 if (!verbose) {
1433                         fprintf(stdout, "\t%d\t%d\t%d\t%d\t%d\t%s\n",
1434                                 gent.nle_nactive, gent.nle_nbusy,
1435                                 gent.nle_ndown, gent.nle_nunknown,
1436                                 gent.nle_nnode, argv[i]);
1437                         continue;
1438                 }
1439
1440                 fprintf(stdout, "Group [ %s ]\n", argv[i]);
1441
1442                 if (gent.nle_nnode == 0) {
1443                         fprintf(stdout, "No nodes found [ %s ]\n", argv[i]);
1444                         continue;
1445                 }
1446
1447                 count = gent.nle_nnode;
1448
1449                 dents = malloc(count * sizeof(struct lstcon_node_ent));
1450                 if (dents == NULL) {
1451                         fprintf(stderr, "Failed to malloc: %s\n",
1452                                 strerror(errno));
1453                         return -1;
1454                 }
1455
1456                 index = 0;
1457                 rc = lst_info_group_ioctl(argv[i], &gent, &index, &count, dents);
1458                 if (rc != 0) {
1459                         lst_print_error("group", "Failed to list group: %s\n",
1460                                         strerror(errno));
1461                         free(dents);
1462                         return -1;
1463                 }
1464
1465                 for (j = 0, c = 0; j < count; j++) {
1466                         if (all ||
1467                             ((active  &&  dents[j].nde_state == LST_NODE_ACTIVE) ||
1468                              (busy    &&  dents[j].nde_state == LST_NODE_BUSY)   ||
1469                              (down    &&  dents[j].nde_state == LST_NODE_DOWN)   ||
1470                              (unknown &&  dents[j].nde_state == LST_NODE_UNKNOWN))) {
1471
1472                                 fprintf(stdout, "\t%s: %s\n",
1473                                         libcfs_id2str(dents[j].nde_id),
1474                                         lst_node_state2str(dents[j].nde_state));
1475                                 c++;
1476                         }
1477                 }
1478
1479                 fprintf(stdout, "Total %d nodes [ %s ]\n", c, argv[i]);
1480
1481                 free(dents);
1482         }
1483
1484         return rc;
1485 }
1486
1487 int
1488 lst_stat_ioctl(char *name, int count, struct lnet_process_id *idsp,
1489                int timeout, struct list_head *resultp)
1490 {
1491         struct lstio_stat_args args = { 0 };
1492
1493         args.lstio_sta_key     = session_key;
1494         args.lstio_sta_timeout = timeout;
1495         args.lstio_sta_nmlen   = strlen(name);
1496         args.lstio_sta_namep   = name;
1497         args.lstio_sta_count   = count;
1498         args.lstio_sta_idsp    = idsp;
1499         args.lstio_sta_resultp = resultp;
1500
1501         return lst_ioctl(LSTIO_STAT_QUERY, &args, sizeof(args));
1502 }
1503
1504 typedef struct {
1505         struct list_head              srp_link;
1506         int                     srp_count;
1507         char                   *srp_name;
1508         struct lnet_process_id      *srp_ids;
1509         struct list_head              srp_result[2];
1510 } lst_stat_req_param_t;
1511
1512 static void
1513 lst_stat_req_param_free(lst_stat_req_param_t *srp)
1514 {
1515         int     i;
1516
1517         for (i = 0; i < 2; i++)
1518                 lst_free_rpcent(&srp->srp_result[i]);
1519
1520         if (srp->srp_ids != NULL)
1521                 free(srp->srp_ids);
1522
1523         free(srp);
1524 }
1525
1526 static int
1527 lst_stat_req_param_alloc(char *name, lst_stat_req_param_t **srpp, int save_old)
1528 {
1529         lst_stat_req_param_t *srp = NULL;
1530         int                   count = save_old ? 2 : 1;
1531         int                   rc;
1532         int                   i;
1533
1534         srp = malloc(sizeof(*srp));
1535         if (srp == NULL)
1536                 return -ENOMEM;
1537
1538         memset(srp, 0, sizeof(*srp));
1539         INIT_LIST_HEAD(&srp->srp_result[0]);
1540         INIT_LIST_HEAD(&srp->srp_result[1]);
1541
1542         rc = lst_get_node_count(LST_OPC_GROUP, name,
1543                                 &srp->srp_count, NULL);
1544         if (rc != 0 && errno == ENOENT) {
1545                 rc = lst_get_node_count(LST_OPC_NODES, name,
1546                                         &srp->srp_count, &srp->srp_ids);
1547         }
1548
1549         if (rc != 0) {
1550                 fprintf(stderr,
1551                         "Failed to get count of nodes from %s: %s\n",
1552                         name, strerror(errno));
1553                 lst_stat_req_param_free(srp);
1554
1555                 return rc;
1556         }
1557
1558         srp->srp_name = name;
1559
1560         for (i = 0; i < count; i++) {
1561                 rc = lst_alloc_rpcent(&srp->srp_result[i], srp->srp_count,
1562                                       sizeof(struct sfw_counters)  +
1563                                       sizeof(struct srpc_counters) +
1564                                       sizeof(struct lnet_counters_common));
1565                 if (rc != 0) {
1566                         fprintf(stderr, "Out of memory\n");
1567                         break;
1568                 }
1569         }
1570
1571         if (rc == 0) {
1572                 *srpp = srp;
1573                 return 0;
1574         }
1575
1576         lst_stat_req_param_free(srp);
1577
1578         return rc;
1579 }
1580
1581 typedef struct {
1582         /* TODO */
1583         int foo;
1584 } lst_srpc_stat_result;
1585
1586 #define LST_LNET_AVG    0
1587 #define LST_LNET_MIN    1
1588 #define LST_LNET_MAX    2
1589
1590 typedef struct {
1591         float           lnet_avg_sndrate;
1592         float           lnet_min_sndrate;
1593         float           lnet_max_sndrate;
1594         float           lnet_total_sndrate;
1595
1596         float           lnet_avg_rcvrate;
1597         float           lnet_min_rcvrate;
1598         float           lnet_max_rcvrate;
1599         float           lnet_total_rcvrate;
1600
1601         float           lnet_avg_sndperf;
1602         float           lnet_min_sndperf;
1603         float           lnet_max_sndperf;
1604         float           lnet_total_sndperf;
1605
1606         float           lnet_avg_rcvperf;
1607         float           lnet_min_rcvperf;
1608         float           lnet_max_rcvperf;
1609         float           lnet_total_rcvperf;
1610
1611         int             lnet_stat_count;
1612 } lst_lnet_stat_result_t;
1613
1614 lst_lnet_stat_result_t lnet_stat_result;
1615
1616 static float
1617 lst_lnet_stat_value(int bw, int send, int off)
1618 {
1619         float  *p;
1620
1621         p = bw ? &lnet_stat_result.lnet_avg_sndperf :
1622                  &lnet_stat_result.lnet_avg_sndrate;
1623
1624         if (!send)
1625                 p += 4;
1626
1627         p += off;
1628
1629         return *p;
1630 }
1631
1632 static void
1633 lst_timeval_diff(struct timeval *tv1,
1634                  struct timeval *tv2, struct timeval *df)
1635 {
1636         if (tv1->tv_usec >= tv2->tv_usec) {
1637                 df->tv_sec  = tv1->tv_sec - tv2->tv_sec;
1638                 df->tv_usec = tv1->tv_usec - tv2->tv_usec;
1639                 return;
1640         }
1641
1642         df->tv_sec  = tv1->tv_sec - 1 - tv2->tv_sec;
1643         df->tv_usec = tv1->tv_usec + 1000000 - tv2->tv_usec;
1644 }
1645
1646 static void
1647 lst_cal_lnet_stat(float delta, struct lnet_counters_common *lnet_new,
1648                   struct lnet_counters_common *lnet_old, int mbs)
1649 {
1650         float perf;
1651         float rate;
1652         unsigned int unit_divisor;
1653
1654         unit_divisor = (mbs) ? (1000 * 1000) : (1024 * 1024);
1655         perf = (float)(lnet_new->lcc_send_length -
1656                        lnet_old->lcc_send_length) / unit_divisor / delta;
1657         lnet_stat_result.lnet_total_sndperf += perf;
1658
1659         if (lnet_stat_result.lnet_min_sndperf > perf ||
1660             lnet_stat_result.lnet_min_sndperf == 0)
1661                 lnet_stat_result.lnet_min_sndperf = perf;
1662
1663         if (lnet_stat_result.lnet_max_sndperf < perf)
1664                 lnet_stat_result.lnet_max_sndperf = perf;
1665
1666         perf = (float)(lnet_new->lcc_recv_length -
1667                        lnet_old->lcc_recv_length) / unit_divisor / delta;
1668         lnet_stat_result.lnet_total_rcvperf += perf;
1669
1670         if (lnet_stat_result.lnet_min_rcvperf > perf ||
1671             lnet_stat_result.lnet_min_rcvperf == 0)
1672                 lnet_stat_result.lnet_min_rcvperf = perf;
1673
1674         if (lnet_stat_result.lnet_max_rcvperf < perf)
1675                 lnet_stat_result.lnet_max_rcvperf = perf;
1676
1677         rate = (lnet_new->lcc_send_count - lnet_old->lcc_send_count) / delta;
1678         lnet_stat_result.lnet_total_sndrate += rate;
1679
1680         if (lnet_stat_result.lnet_min_sndrate > rate ||
1681             lnet_stat_result.lnet_min_sndrate == 0)
1682                 lnet_stat_result.lnet_min_sndrate = rate;
1683
1684         if (lnet_stat_result.lnet_max_sndrate < rate)
1685                 lnet_stat_result.lnet_max_sndrate = rate;
1686
1687         rate = (lnet_new->lcc_recv_count - lnet_old->lcc_recv_count) / delta;
1688         lnet_stat_result.lnet_total_rcvrate += rate;
1689
1690         if (lnet_stat_result.lnet_min_rcvrate > rate ||
1691             lnet_stat_result.lnet_min_rcvrate == 0)
1692                 lnet_stat_result.lnet_min_rcvrate = rate;
1693
1694         if (lnet_stat_result.lnet_max_rcvrate < rate)
1695                 lnet_stat_result.lnet_max_rcvrate = rate;
1696
1697         lnet_stat_result.lnet_stat_count++;
1698
1699         lnet_stat_result.lnet_avg_sndrate = lnet_stat_result.lnet_total_sndrate /
1700                                             lnet_stat_result.lnet_stat_count;
1701         lnet_stat_result.lnet_avg_rcvrate = lnet_stat_result.lnet_total_rcvrate /
1702                                             lnet_stat_result.lnet_stat_count;
1703
1704         lnet_stat_result.lnet_avg_sndperf = lnet_stat_result.lnet_total_sndperf /
1705                                             lnet_stat_result.lnet_stat_count;
1706         lnet_stat_result.lnet_avg_rcvperf = lnet_stat_result.lnet_total_rcvperf /
1707                                             lnet_stat_result.lnet_stat_count;
1708 }
1709
1710 static void
1711 lst_print_lnet_stat(char *name, int bwrt, int rdwr, int type, int mbs)
1712 {
1713         int     start1 = 0;
1714         int     end1   = 1;
1715         int     start2 = 0;
1716         int     end2   = 1;
1717         int     i;
1718         int     j;
1719         char   *units;
1720
1721         if (lnet_stat_result.lnet_stat_count == 0)
1722                 return;
1723
1724         units = (mbs) ? "MB/s  " : "MiB/s ";
1725
1726         if (bwrt == 1) /* bw only */
1727                 start1 = 1;
1728
1729         if (bwrt == 2) /* rates only */
1730                 end1 = 0;
1731
1732         if (rdwr == 1) /* recv only */
1733                 start2 = 1;
1734
1735         if (rdwr == 2) /* send only */
1736                 end2 = 0;
1737
1738         for (i = start1; i <= end1; i++) {
1739                 fprintf(stdout, "[LNet %s of %s]\n",
1740                         i == 0 ? "Rates" : "Bandwidth", name);
1741
1742                 for (j = start2; j <= end2; j++) {
1743                         fprintf(stdout, "[%c] ", j == 0 ? 'R' : 'W');
1744
1745                         if ((type & 1) != 0) {
1746                                 fprintf(stdout, i == 0 ? "Avg: %-8.0f RPC/s " :
1747                                                          "Avg: %-8.2f %s",
1748                                         lst_lnet_stat_value(i, j, 0), units);
1749                         }
1750
1751                         if ((type & 2) != 0) {
1752                                 fprintf(stdout, i == 0 ? "Min: %-8.0f RPC/s " :
1753                                                          "Min: %-8.2f %s",
1754                                         lst_lnet_stat_value(i, j, 1), units);
1755                         }
1756
1757                         if ((type & 4) != 0) {
1758                                 fprintf(stdout, i == 0 ? "Max: %-8.0f RPC/s" :
1759                                                          "Max: %-8.2f %s",
1760                                         lst_lnet_stat_value(i, j, 2), units);
1761                         }
1762
1763                         fprintf(stdout, "\n");
1764                 }
1765         }
1766 }
1767
1768 static void
1769 lst_print_stat(char *name, struct list_head *resultp,
1770                int idx, int lnet, int bwrt, int rdwr, int type,
1771                int mbs)
1772 {
1773         struct list_head tmp[2];
1774         struct lstcon_rpc_ent *new;
1775         struct lstcon_rpc_ent *old;
1776         struct sfw_counters *sfwk_new;
1777         struct sfw_counters *sfwk_old;
1778         struct srpc_counters *srpc_new;
1779         struct srpc_counters *srpc_old;
1780         struct lnet_counters_common *lnet_new;
1781         struct lnet_counters_common *lnet_old;
1782         float delta;
1783         int errcount = 0;
1784
1785         INIT_LIST_HEAD(&tmp[0]);
1786         INIT_LIST_HEAD(&tmp[1]);
1787
1788         memset(&lnet_stat_result, 0, sizeof(lnet_stat_result));
1789
1790         while (!list_empty(&resultp[idx])) {
1791                 if (list_empty(&resultp[1 - idx])) {
1792                         fprintf(stderr, "Group is changed, re-run stat\n");
1793                         break;
1794                 }
1795
1796                 new = list_entry(resultp[idx].next, struct lstcon_rpc_ent,
1797                                      rpe_link);
1798                 old = list_entry(resultp[1 - idx].next, struct lstcon_rpc_ent,
1799                                      rpe_link);
1800
1801                 /* first time get stats result, can't calculate diff */
1802                 if (new->rpe_peer.nid == LNET_NID_ANY)
1803                         break;
1804
1805                 if (new->rpe_peer.nid != old->rpe_peer.nid ||
1806                     new->rpe_peer.pid != old->rpe_peer.pid) {
1807                         /* Something wrong. i.e, somebody change the group */
1808                         break;
1809                 }
1810
1811                 list_del(&new->rpe_link);
1812                 list_add_tail(&new->rpe_link, &tmp[idx]);
1813
1814                 list_del(&old->rpe_link);
1815                 list_add_tail(&old->rpe_link, &tmp[1 - idx]);
1816
1817                 if (new->rpe_rpc_errno != 0 || new->rpe_fwk_errno != 0 ||
1818                     old->rpe_rpc_errno != 0 || old->rpe_fwk_errno != 0) {
1819                         errcount ++;
1820                         continue;
1821                 }
1822
1823                 sfwk_new = (struct sfw_counters *)&new->rpe_payload[0];
1824                 sfwk_old = (struct sfw_counters *)&old->rpe_payload[0];
1825
1826                 srpc_new = (struct srpc_counters *)((char *)sfwk_new +
1827                                                     sizeof(*sfwk_new));
1828                 srpc_old = (struct srpc_counters *)((char *)sfwk_old +
1829                                                     sizeof(*sfwk_old));
1830
1831                 lnet_new = (struct lnet_counters_common *)((char *)srpc_new +
1832                                                            sizeof(*srpc_new));
1833                 lnet_old = (struct lnet_counters_common *)((char *)srpc_old +
1834                                                            sizeof(*srpc_old));
1835
1836                 /* Prior to version 2.3, the running_ms field was a counter for
1837                  * the number of running tests.  We are looking at this value
1838                  * to determine if it is a millisecond timestamep (>= 2.3) or a
1839                  * test counter (< 2.3).  The number 500 is being used for this
1840                  * barrier as the test counter should never get this high, and
1841                  * the timestamp should never get this low.
1842                  */
1843                 if (sfwk_new->running_ms > 500) {
1844                         /* use the timestamp from the remote node, not our
1845                          * rpe_stamp from when we copied up the data out of
1846                          * the kernel.
1847                          */
1848                         delta = (float)(sfwk_new->running_ms -
1849                                         sfwk_old->running_ms) / 1000;
1850                 } else {
1851                         struct timeval tv;
1852
1853                         lst_timeval_diff(&new->rpe_stamp, &old->rpe_stamp, &tv);
1854                         delta = tv.tv_sec + (float)tv.tv_usec / 1000000;
1855                 }
1856
1857                 if (!lnet) /* TODO */
1858                         continue;
1859
1860                 lst_cal_lnet_stat(delta, lnet_new, lnet_old, mbs);
1861         }
1862
1863         list_splice(&tmp[idx], &resultp[idx]);
1864         list_splice(&tmp[1 - idx], &resultp[1 - idx]);
1865
1866         if (errcount > 0)
1867                 fprintf(stdout, "Failed to stat on %d nodes\n", errcount);
1868
1869         if (!lnet)  /* TODO */
1870                 return;
1871
1872         lst_print_lnet_stat(name, bwrt, rdwr, type, mbs);
1873 }
1874
1875 int
1876 jt_lst_stat(int argc, char **argv)
1877 {
1878         struct list_head        head;
1879         lst_stat_req_param_t *srp;
1880         time_t                last    = 0;
1881         int                   optidx  = 0;
1882         int                   timeout = 5; /* default timeout, 5 sec */
1883         int                   delay   = 5; /* default delay, 5 sec */
1884         int                   count   = -1; /* run forever */
1885         int                   lnet    = 1; /* lnet stat by default */
1886         int                   bwrt    = 0;
1887         int                   rdwr    = 0;
1888         int                   type    = -1;
1889         int                   idx     = 0;
1890         int                   rc;
1891         int                   c;
1892         int                   mbs     = 0; /* report as MB/s */
1893
1894         static const struct option stat_opts[] = {
1895                 { .name = "timeout", .has_arg = required_argument, .val = 't' },
1896                 { .name = "delay",   .has_arg = required_argument, .val = 'd' },
1897                 { .name = "count",   .has_arg = required_argument, .val = 'o' },
1898                 { .name = "lnet",    .has_arg = no_argument,       .val = 'l' },
1899                 { .name = "rpc",     .has_arg = no_argument,       .val = 'c' },
1900                 { .name = "bw",      .has_arg = no_argument,       .val = 'b' },
1901                 { .name = "rate",    .has_arg = no_argument,       .val = 'a' },
1902                 { .name = "read",    .has_arg = no_argument,       .val = 'r' },
1903                 { .name = "write",   .has_arg = no_argument,       .val = 'w' },
1904                 { .name = "avg",     .has_arg = no_argument,       .val = 'g' },
1905                 { .name = "min",     .has_arg = no_argument,       .val = 'n' },
1906                 { .name = "max",     .has_arg = no_argument,       .val = 'x' },
1907                 { .name = "mbs",     .has_arg = no_argument,       .val = 'm' },
1908                 { .name = NULL } };
1909
1910         if (session_key == 0) {
1911                 fprintf(stderr,
1912                         "Can't find env LST_SESSION or value is not valid\n");
1913                 return -1;
1914         }
1915
1916         while (1) {
1917                 c = getopt_long(argc, argv, "t:d:lcbarwgnxm", stat_opts,
1918                                 &optidx);
1919
1920                 if (c == -1)
1921                         break;
1922
1923                 switch (c) {
1924                 case 't':
1925                         timeout = atoi(optarg);
1926                         break;
1927                 case 'd':
1928                         delay = atoi(optarg);
1929                         break;
1930                 case 'o':
1931                         count = atoi(optarg);
1932                         break;
1933                 case 'l':
1934                         lnet = 1;
1935                         break;
1936                 case 'c':
1937                         lnet = 0;
1938                         break;
1939                 case 'b':
1940                         bwrt |= 1;
1941                         break;
1942                 case 'a':
1943                         bwrt |= 2;
1944                         break;
1945                 case 'r':
1946                         rdwr |= 1;
1947                         break;
1948                 case 'w':
1949                         rdwr |= 2;
1950                         break;
1951                 case 'g':
1952                         if (type == -1) {
1953                                 type = 1;
1954                                 break;
1955                         }
1956                         type |= 1;
1957                         break;
1958                 case 'n':
1959                         if (type == -1) {
1960                                 type = 2;
1961                                 break;
1962                         }
1963                         type |= 2;
1964                         break;
1965                 case 'x':
1966                         if (type == -1) {
1967                                 type = 4;
1968                                 break;
1969                         }
1970                         type |= 4;
1971                         break;
1972                 case 'm':
1973                         mbs = 1;
1974                         break;
1975
1976                 default:
1977                         lst_print_usage(argv[0]);
1978                         return -1;
1979                 }
1980         }
1981
1982         if (optind == argc) {
1983                 lst_print_usage(argv[0]);
1984                 return -1;
1985         }
1986
1987         if (timeout <= 0 || delay <= 0) {
1988                 fprintf(stderr, "Invalid timeout or delay value\n");
1989                 return -1;
1990         }
1991
1992         if (count < -1) {
1993             fprintf(stderr, "Invalid count value\n");
1994             return -1;
1995         }
1996
1997         /* extra count to get first data point */
1998         if (count != -1)
1999             count++;
2000
2001         INIT_LIST_HEAD(&head);
2002
2003         while (optind < argc) {
2004                 rc = lst_stat_req_param_alloc(argv[optind++], &srp, 1);
2005                 if (rc != 0)
2006                         goto out;
2007
2008                 list_add_tail(&srp->srp_link, &head);
2009         }
2010
2011         do {
2012                 time_t  now = time(NULL);
2013
2014                 if (now - last < delay) {
2015                         sleep(delay - now + last);
2016                         time(&now);
2017                 }
2018                 last = now;
2019
2020                 list_for_each_entry(srp, &head, srp_link) {
2021                         rc = lst_stat_ioctl(srp->srp_name,
2022                                             srp->srp_count, srp->srp_ids,
2023                                             timeout, &srp->srp_result[idx]);
2024                         if (rc == -1) {
2025                                 lst_print_error("stat", "Failed to stat %s: %s\n",
2026                                                 srp->srp_name, strerror(errno));
2027                                 goto out;
2028                         }
2029
2030                         lst_print_stat(srp->srp_name, srp->srp_result,
2031                                        idx, lnet, bwrt, rdwr, type, mbs);
2032
2033                         lst_reset_rpcent(&srp->srp_result[1 - idx]);
2034                 }
2035
2036                 idx = 1 - idx;
2037
2038                 if (count > 0)
2039                         count--;
2040         } while (count == -1 || count > 0);
2041
2042 out:
2043         while (!list_empty(&head)) {
2044                 srp = list_entry(head.next, lst_stat_req_param_t, srp_link);
2045
2046                 list_del(&srp->srp_link);
2047                 lst_stat_req_param_free(srp);
2048         }
2049
2050         return rc;
2051 }
2052
2053 int
2054 jt_lst_show_error(int argc, char **argv)
2055 {
2056         struct list_head       head;
2057         lst_stat_req_param_t  *srp;
2058         struct lstcon_rpc_ent *ent;
2059         struct sfw_counters   *sfwk;
2060         struct srpc_counters  *srpc;
2061         int                    show_rpc = 1;
2062         int                    optidx = 0;
2063         int                    rc = 0;
2064         int                    ecount;
2065         int                    c;
2066
2067         static const struct option show_error_opts[] = {
2068                 { .name = "session", .has_arg = no_argument, .val = 's' },
2069                 { .name = NULL, } };
2070
2071         if (session_key == 0) {
2072                 fprintf(stderr,
2073                         "Can't find env LST_SESSION or value is not valid\n");
2074                 return -1;
2075         }
2076
2077         while (1) {
2078                 c = getopt_long(argc, argv, "s", show_error_opts, &optidx);
2079
2080                 if (c == -1)
2081                         break;
2082
2083                 switch (c) {
2084                 case 's':
2085                         show_rpc  = 0;
2086                         break;
2087
2088                 default:
2089                         lst_print_usage(argv[0]);
2090                         return -1;
2091                 }
2092         }
2093
2094         if (optind == argc) {
2095                 lst_print_usage(argv[0]);
2096                 return -1;
2097         }
2098
2099         INIT_LIST_HEAD(&head);
2100
2101         while (optind < argc) {
2102                 rc = lst_stat_req_param_alloc(argv[optind++], &srp, 0);
2103                 if (rc != 0)
2104                         goto out;
2105
2106                 list_add_tail(&srp->srp_link, &head);
2107         }
2108
2109         list_for_each_entry(srp, &head, srp_link) {
2110                 rc = lst_stat_ioctl(srp->srp_name, srp->srp_count,
2111                                     srp->srp_ids, 10, &srp->srp_result[0]);
2112
2113                 if (rc == -1) {
2114                         lst_print_error(srp->srp_name, "Failed to show errors of %s: %s\n",
2115                                         srp->srp_name, strerror(errno));
2116                         goto out;
2117                 }
2118
2119                 fprintf(stdout, "%s:\n", srp->srp_name);
2120
2121                 ecount = 0;
2122
2123                 list_for_each_entry(ent, &srp->srp_result[0], rpe_link) {
2124                         if (ent->rpe_rpc_errno != 0) {
2125                                 ecount ++;
2126                                 fprintf(stderr, "RPC failure, can't show error on %s\n",
2127                                         libcfs_id2str(ent->rpe_peer));
2128                                 continue;
2129                         }
2130
2131                         if (ent->rpe_fwk_errno != 0) {
2132                                 ecount ++;
2133                                 fprintf(stderr, "Framework failure, can't show error on %s\n",
2134                                         libcfs_id2str(ent->rpe_peer));
2135                                 continue;
2136                         }
2137
2138                         sfwk = (struct sfw_counters *)&ent->rpe_payload[0];
2139                         srpc = (struct srpc_counters *)((char *)sfwk + sizeof(*sfwk));
2140
2141                         if (srpc->errors == 0 &&
2142                             sfwk->brw_errors == 0 && sfwk->ping_errors == 0)
2143                                 continue;
2144
2145                         if (!show_rpc  &&
2146                             sfwk->brw_errors == 0 && sfwk->ping_errors == 0)
2147                                 continue;
2148
2149                         ecount ++;
2150
2151                         fprintf(stderr, "%s: [Session %d brw errors, %d ping errors]%c",
2152                                 libcfs_id2str(ent->rpe_peer),
2153                                 sfwk->brw_errors, sfwk->ping_errors,
2154                                 show_rpc  ? ' ' : '\n');
2155
2156                         if (!show_rpc)
2157                                 continue;
2158
2159                         fprintf(stderr, "[RPC: %d errors, %d dropped, %d expired]\n",
2160                                 srpc->errors, srpc->rpcs_dropped, srpc->rpcs_expired);
2161                 }
2162
2163                 fprintf(stdout, "Total %d error nodes in %s\n", ecount, srp->srp_name);
2164         }
2165 out:
2166         while (!list_empty(&head)) {
2167                 srp = list_entry(head.next, lst_stat_req_param_t, srp_link);
2168
2169                 list_del(&srp->srp_link);
2170                 lst_stat_req_param_free(srp);
2171         }
2172
2173         return rc;
2174 }
2175
2176 int
2177 lst_add_batch_ioctl(char *name)
2178 {
2179         struct lstio_batch_add_args args = { 0 };
2180
2181         args.lstio_bat_key   = session_key;
2182         args.lstio_bat_nmlen = strlen(name);
2183         args.lstio_bat_namep = name;
2184
2185         return lst_ioctl (LSTIO_BATCH_ADD, &args, sizeof(args));
2186 }
2187
2188 int
2189 jt_lst_add_batch(int argc, char **argv)
2190 {
2191         char   *name;
2192         int     rc;
2193
2194         if (session_key == 0) {
2195                 fprintf(stderr,
2196                         "Can't find env LST_SESSION or value is not valid\n");
2197                 return -1;
2198         }
2199
2200         if (argc != 2) {
2201                 lst_print_usage(argv[0]);
2202                 return -1;
2203         }
2204
2205         name = argv[1];
2206         if (strlen(name) >= LST_NAME_SIZE) {
2207                 fprintf(stderr, "Name length is limited to %d\n",
2208                         LST_NAME_SIZE - 1);
2209                 return -1;
2210         }
2211
2212         rc = lst_add_batch_ioctl(name);
2213         if (rc == 0)
2214                 return 0;
2215
2216         lst_print_error("batch", "Failed to create batch: %s\n",
2217                         strerror(errno));
2218
2219         return -1;
2220 }
2221
2222 int
2223 lst_start_batch_ioctl(char *name, int timeout, struct list_head *resultp)
2224 {
2225         struct lstio_batch_run_args args = { 0 };
2226
2227         args.lstio_bat_key     = session_key;
2228         args.lstio_bat_timeout = timeout;
2229         args.lstio_bat_nmlen   = strlen(name);
2230         args.lstio_bat_namep   = name;
2231         args.lstio_bat_resultp = resultp;
2232
2233         return lst_ioctl(LSTIO_BATCH_START, &args, sizeof(args));
2234 }
2235
2236 int
2237 jt_lst_start_batch(int argc, char **argv)
2238 {
2239         struct list_head  head;
2240         char             *batch;
2241         int               optidx = 0;
2242         int               timeout = 0;
2243         int               count = 0;
2244         int               rc;
2245         int               c;
2246
2247         static const struct option start_batch_opts[] = {
2248                 { .name = "timeout", .has_arg = required_argument, .val = 't' },
2249                 { .name = NULL } };
2250
2251         if (session_key == 0) {
2252                 fprintf(stderr,
2253                         "Can't find env LST_SESSION or value is not valid\n");
2254                 return -1;
2255         }
2256
2257         while (1) {
2258                 c = getopt_long(argc, argv, "t:",
2259                                 start_batch_opts, &optidx);
2260
2261                 /* Detect the end of the options. */
2262                 if (c == -1)
2263                         break;
2264
2265                 switch (c) {
2266                 case 't':
2267                         timeout = atoi(optarg);
2268                         break;
2269                 default:
2270                         lst_print_usage(argv[0]);
2271                         return -1;
2272                 }
2273         }
2274
2275         if (optind == argc) {
2276                 batch = LST_DEFAULT_BATCH;
2277
2278         } else if (optind == argc - 1) {
2279                 batch = argv[optind];
2280
2281         } else {
2282                 lst_print_usage(argv[0]);
2283                 return -1;
2284         }
2285
2286         rc = lst_get_node_count(LST_OPC_BATCHCLI, batch, &count, NULL);
2287         if (rc != 0) {
2288                 fprintf(stderr, "Failed to get count of nodes from %s: %s\n",
2289                         batch, strerror(errno));
2290                 return -1;
2291         }
2292
2293         INIT_LIST_HEAD(&head);
2294
2295         rc = lst_alloc_rpcent(&head, count, 0);
2296         if (rc != 0) {
2297                 fprintf(stderr, "Out of memory\n");
2298                 return -1;
2299         }
2300
2301         rc = lst_start_batch_ioctl(batch, timeout, &head);
2302
2303         if (rc == 0) {
2304                 fprintf(stdout, "%s is running now\n", batch);
2305                 lst_free_rpcent(&head);
2306                 return 0;
2307         }
2308
2309         if (rc == -1) {
2310                 lst_print_error("batch", "Failed to start batch: %s\n",
2311                                 strerror(errno));
2312                 lst_free_rpcent(&head);
2313                 return rc;
2314         }
2315
2316         lst_print_transerr(&head, "Run batch");
2317
2318         lst_free_rpcent(&head);
2319
2320         return rc;
2321 }
2322
2323 int
2324 lst_stop_batch_ioctl(char *name, int force, struct list_head *resultp)
2325 {
2326         struct lstio_batch_stop_args args = { 0 };
2327
2328         args.lstio_bat_key     = session_key;
2329         args.lstio_bat_force   = force;
2330         args.lstio_bat_nmlen   = strlen(name);
2331         args.lstio_bat_namep   = name;
2332         args.lstio_bat_resultp = resultp;
2333
2334         return lst_ioctl(LSTIO_BATCH_STOP, &args, sizeof(args));
2335 }
2336
2337 int
2338 jt_lst_stop_batch(int argc, char **argv)
2339 {
2340         struct list_head  head;
2341         char             *batch;
2342         int               force = 0;
2343         int               optidx;
2344         int               count;
2345         int               rc;
2346         int               c;
2347
2348         static const struct option stop_batch_opts[] = {
2349                 { .name = "force", .has_arg = no_argument, .val = 'f' },
2350                 { .name = NULL } };
2351
2352         if (session_key == 0) {
2353                 fprintf(stderr,
2354                         "Can't find env LST_SESSION or value is not valid\n");
2355                 return -1;
2356         }
2357
2358         while (1) {
2359                 c = getopt_long(argc, argv, "f",
2360                                 stop_batch_opts, &optidx);
2361
2362                 /* Detect the end of the options. */
2363                 if (c == -1)
2364                         break;
2365
2366                 switch (c) {
2367                 case 'f':
2368                         force = 1;
2369                         break;
2370                 default:
2371                         lst_print_usage(argv[0]);
2372                         return -1;
2373                 }
2374         }
2375
2376         if (optind == argc) {
2377                 batch = LST_DEFAULT_BATCH;
2378
2379         } else if (optind == argc - 1) {
2380                 batch = argv[optind];
2381
2382         } else {
2383                 lst_print_usage(argv[0]);
2384                 return -1;
2385         }
2386
2387         rc = lst_get_node_count(LST_OPC_BATCHCLI, batch, &count, NULL);
2388         if (rc != 0) {
2389                 fprintf(stderr, "Failed to get count of nodes from %s: %s\n",
2390                         batch, strerror(errno));
2391                 return -1;
2392         }
2393
2394         INIT_LIST_HEAD(&head);
2395
2396         rc = lst_alloc_rpcent(&head, count, 0);
2397         if (rc != 0) {
2398                 fprintf(stderr, "Out of memory\n");
2399                 return -1;
2400         }
2401
2402         rc = lst_stop_batch_ioctl(batch, force, &head);
2403         if (rc != 0)
2404                 goto out;
2405
2406         while (1) {
2407                 lst_reset_rpcent(&head);
2408
2409                 rc = lst_query_batch_ioctl(batch, 0, 0, 30, &head);
2410                 if (rc != 0)
2411                         goto out;
2412
2413                 if (lstcon_tsbqry_stat_run(&trans_stat, 0)  == 0 &&
2414                     lstcon_tsbqry_stat_failure(&trans_stat, 0) == 0)
2415                         break;
2416
2417                 fprintf(stdout, "%d batch in stopping\n",
2418                         lstcon_tsbqry_stat_run(&trans_stat, 0));
2419                 sleep(1);
2420         }
2421
2422         fprintf(stdout, "Batch is stopped\n");
2423         lst_free_rpcent(&head);
2424
2425         return 0;
2426 out:
2427         if (rc == -1) {
2428                 lst_print_error("batch", "Failed to stop batch: %s\n",
2429                                 strerror(errno));
2430                 lst_free_rpcent(&head);
2431                 return -1;
2432         }
2433
2434         lst_print_transerr(&head, "stop batch");
2435
2436         lst_free_rpcent(&head);
2437
2438         return rc;
2439 }
2440
2441 int
2442 lst_list_batch_ioctl(int len, char *name, int index)
2443 {
2444         struct lstio_batch_list_args args = { 0 };
2445
2446         args.lstio_bat_key   = session_key;
2447         args.lstio_bat_idx   = index;
2448         args.lstio_bat_nmlen = len;
2449         args.lstio_bat_namep = name;
2450
2451         return lst_ioctl(LSTIO_BATCH_LIST, &args, sizeof(args));
2452 }
2453
2454 int
2455 lst_info_batch_ioctl(char *batch, int test, int server,
2456                      struct lstcon_test_batch_ent *entp, int *idxp,
2457                      int *ndentp, struct lstcon_node_ent *dentsp)
2458 {
2459         struct lstio_batch_info_args args = { 0 };
2460
2461         args.lstio_bat_key     = session_key;
2462         args.lstio_bat_nmlen   = strlen(batch);
2463         args.lstio_bat_namep   = batch;
2464         args.lstio_bat_server  = server;
2465         args.lstio_bat_testidx = test;
2466         args.lstio_bat_entp    = entp;
2467         args.lstio_bat_idxp    = idxp;
2468         args.lstio_bat_ndentp  = ndentp;
2469         args.lstio_bat_dentsp  = dentsp;
2470
2471         return lst_ioctl(LSTIO_BATCH_INFO, &args, sizeof(args));
2472 }
2473
2474 int
2475 lst_list_batch_all(void)
2476 {
2477         char name[LST_NAME_SIZE];
2478         int  rc;
2479         int  i;
2480
2481         for (i = 0; ; i++) {
2482                 rc = lst_list_batch_ioctl(LST_NAME_SIZE, name, i);
2483                 if (rc == 0) {
2484                         fprintf(stdout, "%d) %s\n", i + 1, name);
2485                         continue;
2486                 }
2487
2488                 if (errno == ENOENT)
2489                         break;
2490
2491                 lst_print_error("batch", "Failed to list batch: %s\n",
2492                                 strerror(errno));
2493                 return rc;
2494         }
2495
2496         fprintf(stdout, "Total %d batches\n", i);
2497
2498         return 0;
2499 }
2500
2501 int
2502 lst_list_tsb_nodes(char *batch, int test, int server,
2503                    int count, int active, int invalid)
2504 {
2505         struct lstcon_node_ent *dents;
2506         int                index = 0;
2507         int                rc;
2508         int                c;
2509         int                i;
2510
2511         if (count == 0)
2512                 return 0;
2513
2514         /* verbose list, show nodes in batch or test */
2515         dents = malloc(count * sizeof(struct lstcon_node_ent));
2516         if (dents == NULL) {
2517                 fprintf(stdout, "Can't allocate memory\n");
2518                 return -1;
2519         }
2520
2521         rc = lst_info_batch_ioctl(batch, test, server,
2522                                   NULL, &index, &count, dents);
2523         if (rc != 0) {
2524                 free(dents);
2525                 lst_print_error((test > 0) ? "test" : "batch",
2526                                 (test > 0) ? "Failed to query test: %s\n" :
2527                                              "Failed to query batch: %s\n",
2528                                 strerror(errno));
2529                 return -1;
2530         }
2531
2532         for (i = 0, c = 0; i < count; i++) {
2533                 if ((!active  && dents[i].nde_state == LST_NODE_ACTIVE) ||
2534                     (!invalid && (dents[i].nde_state == LST_NODE_BUSY  ||
2535                                   dents[i].nde_state == LST_NODE_DOWN  ||
2536                                   dents[i].nde_state == LST_NODE_UNKNOWN)))
2537                         continue;
2538
2539                 fprintf(stdout, "\t%s: %s\n",
2540                         libcfs_id2str(dents[i].nde_id),
2541                         lst_node_state2str(dents[i].nde_state));
2542                 c++;
2543         }
2544
2545         fprintf(stdout, "Total %d nodes\n", c);
2546         free(dents);
2547
2548         return 0;
2549 }
2550
2551 int
2552 jt_lst_list_batch(int argc, char **argv)
2553 {
2554         struct lstcon_test_batch_ent ent;
2555         char *batch   = NULL;
2556         int   optidx  = 0;
2557         int   verbose = 0; /* list nodes in batch or test */
2558         int   invalid = 0;
2559         int   active  = 0;
2560         int   server  = 0;
2561         int   ntest   = 0;
2562         int   test    = 0;
2563         int   c       = 0;
2564         int   rc;
2565
2566         static const struct option list_batch_opts[] = {
2567                 { .name = "test",    .has_arg = required_argument, .val = 't' },
2568                 { .name = "invalid", .has_arg = no_argument,       .val = 'i' },
2569                 { .name = "active",  .has_arg = no_argument,       .val = 'a' },
2570                 { .name = "all",     .has_arg = no_argument,       .val = 'l' },
2571                 { .name = "server",  .has_arg = no_argument,       .val = 's' },
2572                 { .name = NULL, } };
2573
2574         if (session_key == 0) {
2575                 fprintf(stderr,
2576                         "Can't find env LST_SESSION or value is not valid\n");
2577                 return -1;
2578         }
2579
2580         while (1) {
2581                 c = getopt_long(argc, argv, "ailst:",
2582                                 list_batch_opts, &optidx);
2583
2584                 if (c == -1)
2585                         break;
2586
2587                 switch (c) {
2588                 case 'a':
2589                         verbose = active = 1;
2590                         break;
2591                 case 'i':
2592                         verbose = invalid = 1;
2593                         break;
2594                 case 'l':
2595                         verbose = active = invalid = 1;
2596                         break;
2597                 case 's':
2598                         server = 1;
2599                         break;
2600                 case 't':
2601                         test = atoi(optarg);
2602                         ntest = 1;
2603                         break;
2604                 default:
2605                         lst_print_usage(argv[0]);
2606                         return -1;
2607                 }
2608         }
2609
2610         if (optind == argc) {
2611                 /* list all batches */
2612                 rc = lst_list_batch_all();
2613                 return rc;
2614         }
2615
2616         if (ntest == 1 && test <= 0) {
2617                 fprintf(stderr, "Invalid test id, test id starts from 1\n");
2618                 return -1;
2619         }
2620
2621         if (optind != argc - 1) {
2622                 lst_print_usage(argv[0]);
2623                 return -1;
2624         }
2625
2626         batch = argv[optind];
2627
2628 loop:
2629         /* show detail of specified batch or test */
2630         rc = lst_info_batch_ioctl(batch, test, server,
2631                                   &ent, NULL, NULL, NULL);
2632         if (rc != 0) {
2633                 lst_print_error((test > 0) ? "test" : "batch",
2634                                 (test > 0) ? "Failed to query test: %s\n" :
2635                                              "Failed to query batch: %s\n",
2636                                 strerror(errno));
2637                 return -1;
2638         }
2639
2640         if (verbose) {
2641                 /* list nodes in test or batch */
2642                 rc = lst_list_tsb_nodes(batch, test, server,
2643                                         server ? ent.tbe_srv_nle.nle_nnode :
2644                                                  ent.tbe_cli_nle.nle_nnode,
2645                                         active, invalid);
2646                 return rc;
2647         }
2648
2649         /* only show number of hosts in batch or test */
2650         if (test == 0) {
2651                 fprintf(stdout, "Batch: %s Tests: %d State: %d\n",
2652                         batch, ent.u.tbe_batch.bae_ntest,
2653                         ent.u.tbe_batch.bae_state);
2654                 ntest = ent.u.tbe_batch.bae_ntest;
2655                 test = 1; /* starting from test 1 */
2656
2657         } else {
2658                 fprintf(stdout,
2659                         "\tTest %d(%s) (loop: %d, concurrency: %d)\n",
2660                         test, lst_test_type2name(ent.u.tbe_test.tse_type),
2661                         ent.u.tbe_test.tse_loop,
2662                         ent.u.tbe_test.tse_concur);
2663                 ntest --;
2664                 test ++;
2665         }
2666
2667         fprintf(stdout, LST_NODES_TITLE);
2668         fprintf(stdout, "client\t%d\t%d\t%d\t%d\t%d\n"
2669                         "server\t%d\t%d\t%d\t%d\t%d\n",
2670                 ent.tbe_cli_nle.nle_nactive,
2671                 ent.tbe_cli_nle.nle_nbusy,
2672                 ent.tbe_cli_nle.nle_ndown,
2673                 ent.tbe_cli_nle.nle_nunknown,
2674                 ent.tbe_cli_nle.nle_nnode,
2675                 ent.tbe_srv_nle.nle_nactive,
2676                 ent.tbe_srv_nle.nle_nbusy,
2677                 ent.tbe_srv_nle.nle_ndown,
2678                 ent.tbe_srv_nle.nle_nunknown,
2679                 ent.tbe_srv_nle.nle_nnode);
2680
2681         if (ntest != 0)
2682                 goto loop;
2683
2684         return 0;
2685 }
2686
2687 int
2688 lst_query_batch_ioctl(char *batch, int test, int server,
2689                       int timeout, struct list_head *head)
2690 {
2691         struct lstio_batch_query_args args = { 0 };
2692
2693         args.lstio_bat_key     = session_key;
2694         args.lstio_bat_testidx = test;
2695         args.lstio_bat_client  = !(server);
2696         args.lstio_bat_timeout = timeout;
2697         args.lstio_bat_nmlen   = strlen(batch);
2698         args.lstio_bat_namep   = batch;
2699         args.lstio_bat_resultp = head;
2700
2701         return lst_ioctl(LSTIO_BATCH_QUERY, &args, sizeof(args));
2702 }
2703
2704 void
2705 lst_print_tsb_verbose(struct list_head *head,
2706                       int active, int idle, int error)
2707 {
2708         struct lstcon_rpc_ent *ent;
2709
2710         list_for_each_entry(ent, head, rpe_link) {
2711                 if (ent->rpe_priv[0] == 0 && active)
2712                         continue;
2713
2714                 if (ent->rpe_priv[0] != 0 && idle)
2715                         continue;
2716
2717                 if (ent->rpe_fwk_errno == 0 && error)
2718                         continue;
2719
2720                 fprintf(stdout, "%s [%s]: %s\n",
2721                         libcfs_id2str(ent->rpe_peer),
2722                         lst_node_state2str(ent->rpe_state),
2723                         ent->rpe_rpc_errno != 0 ?
2724                                 strerror(ent->rpe_rpc_errno) :
2725                                 (ent->rpe_priv[0] > 0 ? "Running" : "Idle"));
2726         }
2727 }
2728
2729 int
2730 jt_lst_query_batch(int argc, char **argv)
2731 {
2732         struct lstcon_test_batch_ent ent;
2733         struct list_head head;
2734         char   *batch   = NULL;
2735         time_t  last    = 0;
2736         int     optidx  = 0;
2737         int     verbose = 0;
2738         int     server  = 0;
2739         int     timeout = 5; /* default 5 seconds */
2740         int     delay   = 5; /* default 5 seconds */
2741         int     loop    = 1; /* default 1 loop */
2742         int     active  = 0;
2743         int     error   = 0;
2744         int     idle    = 0;
2745         int     count   = 0;
2746         int     test    = 0;
2747         int     rc      = 0;
2748         int     c       = 0;
2749         int     i;
2750
2751         static const struct option query_batch_opts[] = {
2752                 { .name = "timeout", .has_arg = required_argument, .val = 'o' },
2753                 { .name = "delay",   .has_arg = required_argument, .val = 'd' },
2754                 { .name = "loop",    .has_arg = required_argument, .val = 'c' },
2755                 { .name = "test",    .has_arg = required_argument, .val = 't' },
2756                 { .name = "server",  .has_arg = no_argument,       .val = 's' },
2757                 { .name = "active",  .has_arg = no_argument,       .val = 'a' },
2758                 { .name = "idle",    .has_arg = no_argument,       .val = 'i' },
2759                 { .name = "error",   .has_arg = no_argument,       .val = 'e' },
2760                 { .name = "all",     .has_arg = no_argument,       .val = 'l' },
2761                 { .name = NULL, } };
2762
2763         if (session_key == 0) {
2764                 fprintf(stderr,
2765                         "Can't find env LST_SESSION or value is not valid\n");
2766                 return -1;
2767         }
2768
2769         while (1) {
2770                 c = getopt_long(argc, argv, "o:d:c:t:saiel",
2771                                 query_batch_opts, &optidx);
2772
2773                 /* Detect the end of the options. */
2774                 if (c == -1)
2775                         break;
2776
2777                 switch (c) {
2778                 case 'o':
2779                         timeout = atoi(optarg);
2780                         break;
2781                 case 'd':
2782                         delay = atoi(optarg);
2783                         break;
2784                 case 'c':
2785                         loop = atoi(optarg);
2786                         break;
2787                 case 't':
2788                         test = atoi(optarg);
2789                         break;
2790                 case 's':
2791                         server = 1;
2792                         break;
2793                 case 'a':
2794                         active = verbose = 1;
2795                         break;
2796                 case 'i':
2797                         idle = verbose = 1;
2798                         break;
2799                 case 'e':
2800                         error = verbose = 1;
2801                         break;
2802                 case 'l':
2803                         verbose = 1;
2804                         break;
2805                 default:
2806                         lst_print_usage(argv[0]);
2807                         return -1;
2808                 }
2809         }
2810
2811         if (test < 0 || timeout <= 0 || delay <= 0 || loop <= 0) {
2812                 lst_print_usage(argv[0]);
2813                 return -1;
2814         }
2815
2816         if (optind == argc) {
2817                 batch = LST_DEFAULT_BATCH;
2818
2819         } else if (optind == argc - 1) {
2820                 batch = argv[optind];
2821
2822         } else {
2823                 lst_print_usage(argv[0]);
2824                 return -1;
2825         }
2826
2827
2828         INIT_LIST_HEAD(&head);
2829
2830         if (verbose) {
2831                 rc = lst_info_batch_ioctl(batch, test, server,
2832                                           &ent, NULL, NULL, NULL);
2833                 if (rc != 0) {
2834                         fprintf(stderr, "Failed to query %s [%d]: %s\n",
2835                                 batch, test, strerror(errno));
2836                         return -1;
2837                 }
2838
2839                 count = server ? ent.tbe_srv_nle.nle_nnode :
2840                                  ent.tbe_cli_nle.nle_nnode;
2841                 if (count == 0) {
2842                         fprintf(stdout, "Batch or test is empty\n");
2843                         return 0;
2844                 }
2845         }
2846
2847         rc = lst_alloc_rpcent(&head, count, 0);
2848         if (rc != 0) {
2849                 fprintf(stderr, "Out of memory\n");
2850                 return rc;
2851         }
2852
2853         for (i = 0; i < loop; i++) {
2854                 time_t  now = time(NULL);
2855
2856                 if (now - last < delay) {
2857                         sleep(delay - now + last);
2858                         time(&now);
2859                 }
2860
2861                 last = now;
2862
2863                 rc = lst_query_batch_ioctl(batch, test,
2864                                            server, timeout, &head);
2865                 if (rc == -1) {
2866                         fprintf(stderr, "Failed to query batch: %s\n",
2867                                 strerror(errno));
2868                         break;
2869                 }
2870
2871                 if (verbose) {
2872                         /* Verbose mode */
2873                         lst_print_tsb_verbose(&head, active, idle, error);
2874                         continue;
2875                 }
2876
2877                 fprintf(stdout, "%s [%d] ", batch, test);
2878
2879                 if (lstcon_rpc_stat_failure(&trans_stat, 0) != 0) {
2880                         fprintf(stdout, "%d of %d nodes are unknown, ",
2881                                 lstcon_rpc_stat_failure(&trans_stat, 0),
2882                                 lstcon_rpc_stat_total(&trans_stat, 0));
2883                 }
2884
2885                 if (lstcon_rpc_stat_failure(&trans_stat, 0) == 0 &&
2886                     lstcon_tsbqry_stat_run(&trans_stat, 0)  == 0  &&
2887                     lstcon_tsbqry_stat_failure(&trans_stat, 0) == 0) {
2888                         fprintf(stdout, "is stopped\n");
2889                         continue;
2890                 }
2891
2892                 if (lstcon_rpc_stat_failure(&trans_stat, 0) == 0 &&
2893                     lstcon_tsbqry_stat_idle(&trans_stat, 0) == 0 &&
2894                     lstcon_tsbqry_stat_failure(&trans_stat, 0) == 0) {
2895                         fprintf(stdout, "is running\n");
2896                         continue;
2897                 }
2898
2899                 fprintf(stdout, "stopped: %d , running: %d, failed: %d\n",
2900                                 lstcon_tsbqry_stat_idle(&trans_stat, 0),
2901                                 lstcon_tsbqry_stat_run(&trans_stat, 0),
2902                                 lstcon_tsbqry_stat_failure(&trans_stat, 0));
2903         }
2904
2905         lst_free_rpcent(&head);
2906
2907         return rc;
2908 }
2909
2910 int
2911 lst_parse_distribute(char *dstr, int *dist, int *span)
2912 {
2913         *dist = atoi(dstr);
2914         if (*dist <= 0)
2915                 return -1;
2916
2917         dstr = strchr(dstr, ':');
2918         if (dstr == NULL)
2919                 return -1;
2920
2921         *span = atoi(dstr + 1);
2922         if (*span <= 0)
2923                 return -1;
2924
2925         return 0;
2926 }
2927
2928 int
2929 lst_get_bulk_param(int argc, char **argv, struct lst_test_bulk_param *bulk)
2930 {
2931         char   *tok = NULL;
2932         char   *end = NULL;
2933         int     rc  = 0;
2934         int     i   = 0;
2935
2936         bulk->blk_size  = 4096;
2937         bulk->blk_opc   = LST_BRW_READ;
2938         bulk->blk_flags = LST_BRW_CHECK_NONE;
2939         bulk->blk_srv_off = bulk->blk_cli_off = 0;
2940
2941         while (i < argc) {
2942                 if (strcasestr(argv[i], "check=") == argv[i] ||
2943                     strcasestr(argv[i], "c=") == argv[i]) {
2944                         tok = strchr(argv[i], '=') + 1;
2945
2946                         if (strcasecmp(tok, "full") == 0) {
2947                                 bulk->blk_flags = LST_BRW_CHECK_FULL;
2948                         } else if (strcasecmp(tok, "simple") == 0) {
2949                                 bulk->blk_flags = LST_BRW_CHECK_SIMPLE;
2950                         } else {
2951                                 fprintf(stderr, "Unknow flag %s\n", tok);
2952                                 return -1;
2953                         }
2954
2955                 } else if (strcasestr(argv[i], "size=") == argv[i] ||
2956                            strcasestr(argv[i], "s=") == argv[i]) {
2957                         tok = strchr(argv[i], '=') + 1;
2958
2959                         bulk->blk_size = strtol(tok, &end, 0);
2960                         if (bulk->blk_size <= 0) {
2961                                 fprintf(stderr, "Invalid size %s\n", tok);
2962                                 return -1;
2963                         }
2964
2965                         if (end == NULL)
2966                                 return 0;
2967
2968                         if (*end == 'k' || *end == 'K')
2969                                 bulk->blk_size *= 1024;
2970                         else if (*end == 'm' || *end == 'M')
2971                                 bulk->blk_size *= 1024 * 1024;
2972
2973                         if (bulk->blk_size > LNET_MTU) {
2974                                 fprintf(stderr, "Size exceed limitation: %d bytes\n",
2975                                         bulk->blk_size);
2976                                 return -1;
2977                         }
2978
2979                 } else if (strcasestr(argv[i], "off=") == argv[i]) {
2980                         int     off;
2981
2982                         tok = strchr(argv[i], '=') + 1;
2983
2984                         off = strtol(tok, &end, 0);
2985                         /* NB: align with sizeof(__u64) to simplify page
2986                          * checking implementation */
2987                         if (off < 0 || off % sizeof(__u64) != 0) {
2988                                 fprintf(stderr,
2989                                         "Invalid offset %s/%d, it should be "
2990                                         "postive value and multiple of %d\n",
2991                                         tok, off, (int)sizeof(__u64));
2992                                 return -1;
2993                         }
2994
2995                         /* NB: blk_srv_off is reserved so far */
2996                         bulk->blk_cli_off = bulk->blk_srv_off = off;
2997                         if (end == NULL)
2998                                 return 0;
2999
3000                 } else if (strcasecmp(argv[i], "read") == 0 ||
3001                            strcasecmp(argv[i], "r") == 0) {
3002                         bulk->blk_opc = LST_BRW_READ;
3003
3004                 } else if (strcasecmp(argv[i], "write") == 0 ||
3005                            strcasecmp(argv[i], "w") == 0) {
3006                         bulk->blk_opc = LST_BRW_WRITE;
3007
3008                 } else {
3009                         fprintf(stderr, "Unknow parameter: %s\n", argv[i]);
3010                         return -1;
3011                 }
3012
3013                 i++;
3014         }
3015
3016         return rc;
3017 }
3018
3019 int
3020 lst_get_test_param(char *test, int argc, char **argv, void **param, int *plen)
3021 {
3022         struct lst_test_bulk_param *bulk = NULL;
3023         int                    type;
3024
3025         type = lst_test_name2type(test);
3026         if (type < 0) {
3027                 fprintf(stderr, "Unknow test name %s\n", test);
3028                 return -1;
3029         }
3030
3031         switch (type) {
3032         case LST_TEST_PING:
3033                 break;
3034
3035         case LST_TEST_BULK:
3036                 bulk = malloc(sizeof(*bulk));
3037                 if (bulk == NULL) {
3038                         fprintf(stderr, "Out of memory\n");
3039                         return -1;
3040                 }
3041
3042                 memset(bulk, 0, sizeof(*bulk));
3043
3044                 if (lst_get_bulk_param(argc, argv, bulk) != 0) {
3045                         free(bulk);
3046                         return -1;
3047                 }
3048
3049                 *param = bulk;
3050                 *plen  = sizeof(*bulk);
3051
3052                 break;
3053
3054         default:
3055                 break;
3056         }
3057
3058         /* TODO: parse more parameter */
3059         return type;
3060 }
3061
3062 int
3063 lst_add_test_ioctl(char *batch, int type, int loop, int concur,
3064                    int dist, int span, char *sgrp, char *dgrp,
3065                    void *param, int plen, int *retp, struct list_head *resultp)
3066 {
3067         struct lstio_test_args args = { 0 };
3068
3069         args.lstio_tes_key        = session_key;
3070         args.lstio_tes_bat_nmlen  = strlen(batch);
3071         args.lstio_tes_bat_name   = batch;
3072         args.lstio_tes_type       = type;
3073         args.lstio_tes_oneside    = 0;
3074         args.lstio_tes_loop       = loop;
3075         args.lstio_tes_concur     = concur;
3076         args.lstio_tes_dist       = dist;
3077         args.lstio_tes_span       = span;
3078         args.lstio_tes_sgrp_nmlen = strlen(sgrp);
3079         args.lstio_tes_sgrp_name  = sgrp;
3080         args.lstio_tes_dgrp_nmlen = strlen(dgrp);
3081         args.lstio_tes_dgrp_name  = dgrp;
3082         args.lstio_tes_param_len  = plen;
3083         args.lstio_tes_param      = param;
3084         args.lstio_tes_retp       = retp;
3085         args.lstio_tes_resultp    = resultp;
3086
3087         return lst_ioctl(LSTIO_TEST_ADD, &args, sizeof(args));
3088 }
3089
3090 int
3091 jt_lst_add_test(int argc, char **argv)
3092 {
3093         struct list_head head;
3094         char *batch  = NULL;
3095         char *test   = NULL;
3096         char *dstr   = NULL;
3097         char *from   = NULL;
3098         char *to     = NULL;
3099         void *param  = NULL;
3100         int   optidx = 0;
3101         int   concur = 1;
3102         int   loop   = -1;
3103         int   dist   = 1;
3104         int   span   = 1;
3105         int   plen   = 0;
3106         int   fcount = 0;
3107         int   tcount = 0;
3108         int   ret    = 0;
3109         int   type;
3110         int   rc;
3111         int   c;
3112
3113         static const struct option add_test_opts[] = {
3114         { .name = "batch",       .has_arg = required_argument, .val = 'b' },
3115         { .name = "concurrency", .has_arg = required_argument, .val = 'c' },
3116         { .name = "distribute",  .has_arg = required_argument, .val = 'd' },
3117         { .name = "from",        .has_arg = required_argument, .val = 'f' },
3118         { .name = "to",          .has_arg = required_argument, .val = 't' },
3119         { .name = "loop",        .has_arg = required_argument, .val = 'l' },
3120         { .name = NULL } };
3121
3122         if (session_key == 0) {
3123                 fprintf(stderr,
3124                         "Can't find env LST_SESSION or value is not valid\n");
3125                 return -1;
3126         }
3127
3128         while (1) {
3129                 c = getopt_long(argc, argv, "b:c:d:f:l:t:",
3130                                 add_test_opts, &optidx);
3131
3132                 /* Detect the end of the options. */
3133                 if (c == -1)
3134                         break;
3135
3136                 switch (c) {
3137                 case 'b':
3138                         batch = optarg;
3139                         break;
3140                 case 'c':
3141                         concur = atoi(optarg);
3142                         break;
3143                 case 'd':
3144                         dstr = optarg;
3145                         break;
3146                 case 'f':
3147                         from = optarg;
3148                         break;
3149                 case 'l':
3150                         loop = atoi(optarg);
3151                         break;
3152                 case 't':
3153                         to = optarg;
3154                         break;
3155                 default:
3156                         lst_print_usage(argv[0]);
3157                         return -1;
3158                 }
3159         }
3160
3161         if (optind == argc || from == NULL || to == NULL) {
3162                 lst_print_usage(argv[0]);
3163                 return -1;
3164         }
3165
3166         if (concur <= 0 || concur > LST_MAX_CONCUR) {
3167                 fprintf(stderr, "Invalid concurrency of test: %d\n", concur);
3168                 return -1;
3169         }
3170
3171         if (batch == NULL)
3172                 batch = LST_DEFAULT_BATCH;
3173
3174         if (dstr != NULL) {
3175                 rc = lst_parse_distribute(dstr, &dist, &span);
3176                 if (rc != 0) {
3177                         fprintf(stderr, "Invalid distribution: %s\n", dstr);
3178                         return -1;
3179                 }
3180         }
3181
3182         test = argv[optind++];
3183
3184         argc -= optind;
3185         argv += optind;
3186
3187         type = lst_get_test_param(test, argc, argv, &param, &plen);
3188         if (type < 0) {
3189                 fprintf(stderr, "Failed to add test (%s)\n", test);
3190                 return -1;
3191         }
3192
3193         INIT_LIST_HEAD(&head);
3194
3195         rc = lst_get_node_count(LST_OPC_GROUP, from, &fcount, NULL);
3196         if (rc != 0) {
3197                 fprintf(stderr, "Can't get count of nodes from %s: %s\n",
3198                         from, strerror(errno));
3199                 goto out;
3200         }
3201
3202         rc = lst_get_node_count(LST_OPC_GROUP, to, &tcount, NULL);
3203         if (rc != 0) {
3204                 fprintf(stderr, "Can't get count of nodes from %s: %s\n",
3205                         to, strerror(errno));
3206                 goto out;
3207         }
3208
3209         rc = lst_alloc_rpcent(&head, fcount > tcount ? fcount : tcount, 0);
3210         if (rc != 0) {
3211                 fprintf(stderr, "Out of memory\n");
3212                 goto out;
3213         }
3214
3215         rc = lst_add_test_ioctl(batch, type, loop, concur,
3216                                 dist, span, from, to, param, plen, &ret, &head);
3217
3218         if (rc == 0) {
3219                 fprintf(stdout, "Test was added successfully\n");
3220                 if (ret != 0) {
3221                         fprintf(stdout, "Server group contains userland test "
3222                                 "nodes, old version of tcplnd can't accept "
3223                                 "connection request\n");
3224                 }
3225
3226                 goto out;
3227         }
3228
3229         if (rc == -1) {
3230                 lst_print_error("test", "Failed to add test: %s\n",
3231                                 strerror(errno));
3232                 goto out;
3233         }
3234
3235         lst_print_transerr(&head, "add test");
3236 out:
3237         lst_free_rpcent(&head);
3238
3239         if (param != NULL)
3240                 free(param);
3241
3242         return rc;
3243 }
3244
3245 static command_t lst_cmdlist[] = {
3246         {"new_session",         jt_lst_new_session,     NULL,
3247          "Usage: lst new_session [--timeout TIME] [--force] [NAME]"                     },
3248         {"end_session",         jt_lst_end_session,     NULL,
3249          "Usage: lst end_session"                                                       },
3250         {"show_session",        jt_lst_show_session,    NULL,
3251          "Usage: lst show_session"                                                      },
3252         {"ping",                jt_lst_ping ,           NULL,
3253          "Usage: lst ping  [--group NAME] [--batch NAME] [--session] [--nodes IDS]"     },
3254         {"add_group",           jt_lst_add_group,       NULL,
3255          "Usage: lst group NAME IDs [IDs]..."                                           },
3256         {"del_group",           jt_lst_del_group,       NULL,
3257          "Usage: lst del_group NAME"                                                    },
3258         {"update_group",        jt_lst_update_group,    NULL,
3259          "Usage: lst update_group NAME [--clean] [--refresh] [--remove IDs]"            },
3260         {"list_group",          jt_lst_list_group,      NULL,
3261           "Usage: lst list_group [--active] [--busy] [--down] [--unknown] GROUP ..."    },
3262         {"stat",                jt_lst_stat,            NULL,
3263          "Usage: lst stat [--bw] [--rate] [--read] [--write] [--max] [--min] [--avg] "
3264          " [--mbs] [--timeout #] [--delay #] [--count #] GROUP [GROUP]"                 },
3265         {"show_error",          jt_lst_show_error,      NULL,
3266          "Usage: lst show_error NAME | IDS ..."                                         },
3267         {"add_batch",           jt_lst_add_batch,       NULL,
3268          "Usage: lst add_batch NAME"                                                    },
3269         {"run",                 jt_lst_start_batch,     NULL,
3270          "Usage: lst run [--timeout TIME] [NAME]"                                       },
3271         {"stop",                jt_lst_stop_batch,      NULL,
3272          "Usage: lst stop [--force] BATCH_NAME"                                         },
3273         {"list_batch",          jt_lst_list_batch,      NULL,
3274          "Usage: lst list_batch NAME [--test ID] [--server]"                            },
3275         {"query",               jt_lst_query_batch,     NULL,
3276          "Usage: lst query [--test ID] [--server] [--timeout TIME] NAME"                },
3277         {"add_test",            jt_lst_add_test,        NULL,
3278          "Usage: lst add_test [--batch BATCH] [--loop #] [--concurrency #] "
3279          " [--distribute #:#] [--from GROUP] [--to GROUP] TEST..."                      },
3280         {"help",                Parser_help,            0,     "help"                   },
3281         {"--list-commands",     lst_list_commands,      0,     "list commands"          },
3282         {0,                     0,                      0,      NULL                    }
3283 };
3284
3285 int
3286 lst_initialize(void)
3287 {
3288         char   *key;
3289         char   *feats;
3290
3291         feats = getenv("LST_FEATURES");
3292         if (feats != NULL)
3293                 session_features = strtol(feats, NULL, 16);
3294
3295         if ((session_features & ~LST_FEATS_MASK) != 0) {
3296                 fprintf(stderr,
3297                         "Unsupported session features %x, "
3298                         "only support these features so far: %x\n",
3299                         (session_features & ~LST_FEATS_MASK), LST_FEATS_MASK);
3300                 return -1;
3301         }
3302
3303         key = getenv("LST_SESSION");
3304
3305         if (key == NULL) {
3306                 session_key = 0;
3307                 return 0;
3308         }
3309
3310         session_key = atoi(key);
3311
3312         return 0;
3313 }
3314
3315 static int lst_list_commands(int argc, char **argv)
3316 {
3317         char buffer[81] = ""; /* 80 printable chars + terminating NUL */
3318
3319         Parser_list_commands(lst_cmdlist, buffer, sizeof(buffer), NULL, 0, 4);
3320
3321         return 0;
3322 }
3323
3324 int
3325 main(int argc, char **argv)
3326 {
3327         int rc = 0;
3328
3329         setlinebuf(stdout);
3330
3331         rc = lst_initialize();
3332         if (rc < 0)
3333                 goto errorout;
3334
3335         rc = lustre_lnet_config_lib_init();
3336         if (rc < 0)
3337                 goto errorout;
3338
3339         Parser_init("lst > ", lst_cmdlist);
3340
3341         if (argc != 1)  {
3342                 rc = Parser_execarg(argc - 1, argv + 1, lst_cmdlist);
3343                 goto errorout;
3344         }
3345
3346         Parser_commands();
3347
3348 errorout:
3349         return rc;
3350 }