src/locktest.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Copyright (c) 2000-2003 Silicon Graphics, Inc.
   4  * All Rights Reserved.
   5  */
   6
   7 /*
   8  * Synchronized byte range lock exerciser
   9  */
  10
  11 #include <stdio.h>
  12 #include <stdlib.h>
  13 #include <malloc.h>
  14 #include <fcntl.h>
  15 #include <errno.h>
  16 #include <string.h>
  17 #include <sys/stat.h>
  18 #include <sys/socket.h>
  19 #include <netinet/in.h>
  20 #include <netinet/tcp.h>
  21
  22 #include <unistd.h>
  23 #include <sys/types.h>
  24 #include <netdb.h>
  25 #include <endian.h>
  26 #include <byteswap.h>
  27 #include <errno.h>
  28 #include <string.h>
  29 #define     HEX_2_ASC(x)    ((x) > 9) ? (x)-10+'a' : (x)+'0'
  30 #define         FILE_SIZE       1024
  31 #define PLATFORM_INIT()     /*no-op*/
  32 #define PLATFORM_CLEANUP()  /*no-op*/
  33 #define LL                  "ll"
  34
  35 extern int h_errno;
  36
  37 #define inet_aton(STRING, INADDRP) \
  38     (((INADDRP)->s_addr = inet_addr(STRING)) == -1 ? 0 : 1)
  39
  40 /* this assumes 32 bit pointers */
  41 #define PTR_TO_U64(P) ((unsigned __int64)(unsigned int)(P))
  42 #define U64_TO_PTR(T,U) ((T)(void *)(unsigned int)(U))
  43
  44 #if __BYTE_ORDER == __LITTLE_ENDIAN
  45 #define bswap_uint16(x)         (uint16_t)bswap_16(x)
  46 #define bswap_uint32(x)         (uint32_t)bswap_32(x)
  47 #define bswap_uint64(x)         (uint64_t)bswap_64(x)
  48 #else
  49 #define bswap_uint16(x)         x
  50 #define bswap_uint32(x)         x
  51 #define bswap_uint64(x)         x
  52 #endif
  53
  54 #define SOCKET              int
  55 #define SOCKET_READ         read
  56 #define SOCKET_WRITE        write
  57 #define SOCKET_CLOSE(S)     (close(S))
  58 #define INVALID_SOCKET      -1
  59
  60 #define O_BINARY            0
  61
  62 #define HANDLE              int
  63 #define INVALID_HANDLE      -1
  64 #define OPEN(N,F)           (open(N, F|O_CREAT|O_BINARY, 0644))
  65 #define SEEK(H, O)          (lseek(H, O, SEEK_SET))
  66 #define READ(H, B, L)       (read(H, B, L))
  67 #define WRITE(H, B, L)      (write(H, B, L))
  68 #define CLOSE(H)            (close(H))
  69
  70 #define RAND()              (rand())
  71 #define SRAND(s)            (srand(s))
  72 #define SLEEP(s)            (sleep(s))
  73
  74 #define MIN(A,B)            (((A)<(B))?(A):(B))
  75 #define MAX(A,B)            (((A)>(B))?(A):(B))
  76
  77 #define ALLOC_ALIGNED(S)    (memalign(65536, S))
  78 #define FREE_ALIGNED(P)     (free(P))
  79
  80 static char     *prog;
  81 static char     *filename = 0;
  82 static int      debug = 0;
  83 static int      server = 1;
  84 static int      port = 0;
  85 static int      testnumber = -1;
  86 static int      saved_errno = 0;
  87
  88 static SOCKET   s_fd = -1;              /* listen socket    */
  89 static SOCKET   c_fd = -1;              /* IPC socket       */
  90 static HANDLE   f_fd = INVALID_HANDLE;  /* shared file      */
  91
  92 #define         WRLOCK  0
  93 #define         RDLOCK  1
  94 #define         UNLOCK  2
  95 #define         F_CLOSE 3
  96 #define         F_OPEN  4
  97 #define         WRTEST  5
  98 #define         RDTEST  6
  99
 100 #define         PASS    1
 101 #define         FAIL    0
 102
 103 #define         SERVER  0
 104 #define         CLIENT  1
 105
 106 #define         TEST_NUM        0
 107 #define         COMMAND         1
 108 #define         OFFSET          2
 109 #define         LENGTH          3
 110 #define         RESULT          4
 111 #define         WHO             5
 112 #define         FLAGS           2 /* index 2 is also used for do_open() flag, see below */
 113
 114 /*
 115  * flags for Mac OS X do_open()
 116  * O_RDONLY     0x0000
 117  * O_WRONLY     0x0001
 118  * O_RDWR       0x0002
 119  * O_NONBLOCK   0x0004
 120  * O_APPEND     0x0008
 121  * O_SHLOCK     0x0010
 122  * O_EXLOCK     0x0020
 123  * O_ASYNC      0x0040
 124  * O_FSYNC      0x0080
 125  * O_NOFOLLOW   0x0100
 126  * O_CREAT      0x0200
 127  * O_TRUNC      0x0400
 128  * O_EXCL       0x0800
 129  */
 130
 131 /*
 132  * When adding tests be sure to add to both the descriptions AND tests array.
 133  * Also, be sure to undo whatever is set for each test (eg unlock any locks)
 134  * There is no need to have a matching client command for each server command
 135  * (or vice versa)
 136  */
 137
 138 char *descriptions[] = {
 139     /* 1 */"Add a lock to an empty lock list",
 140     /* 2 */"Add a lock to the start and end of a list - no overlaps",
 141     /* 3 */"Add a lock to the middle of a list - no overlap",
 142     /* 4 */"Add different lock types to middle of the list - overlap exact match",
 143     /* 5 */"Add new lock which completely overlaps any old lock in the list",
 144     /* 6 */"Add new lock which itself is completely overlaped by any old lock in the list",
 145     /* 7 */"Add new lock which starts before any old lock in the list",
 146     /* 8 */"Add new lock which starts in the middle of any old lock in the list and ends after",
 147     /* 9 */"Add different new lock types which completely overlaps any old lock in the list",
 148     /* 10 */"Add different new locks which are completely overlaped by an old lock in the list",
 149     /* 11 */"Add different new lock types which start before the old lock in the list",
 150     /* 12 */"Add different new lock types which start in the middle of an old lock in the list and end after",
 151     /* 13 */"Add new lock, differing types and processes, to middle of the list - exact overlap match",
 152     /* 14 */"Add new lock, differing types and processes, which completely overlap any of the locks in the list",
 153     /* 15 */"Add new lock, differing types and processes, which are completely overlaped by locks in the list",
 154     /* 16 */"Add new lock, differing types and processes, which start before a lock in the list",
 155     /* 17 */"Add new lock, differing types and processes, which starts in the middle of a lock, and ends after",
 156     /* 18 */"Acquire write locks with overlapping ranges",
 157     /* 19 */"Acquire write locks with non-overlapping ranges extending beyond EOF",
 158     /* 20 */"Acquire write locks with overlapping ranges extending beyond EOF",
 159     /* 21 */"Acquire write locks on whole files",
 160     /* 22 */"Acquire write lock on whole file and range write lock",
 161     /* 23 */"Acquire read locks with non-overlapping ranges",
 162     /* 24 */"Acquire read locks with overlapping ranges",
 163     /* 25 */"Acquire read and write locks with no overlapping ranges",
 164     /* 26 */"Acquire read and write locks with overlapping ranges",
 165     /* 27 */"Acquire whole file write lock and then close without unlocking (and attempt a lock)",
 166     /* 28 */"Acquire two read locks, close and reopen the file, and test if the inital lock is still there",
 167     /* 29 */"Verify that F_GETLK for F_WRLCK doesn't require that file be opened for write",
 168     #if defined(macosx)
 169     /* 30 */"Close the opened file and open the file with SHLOCK, other client will try to open with SHLOCK too",
 170     /* 31 */"Close the opened file and open the file with SHLOCK, other client will try to open with EXLOCK",
 171     /* 32 */"Close the opened file and open the file with EXLOCK, other client will try to open with EXLOCK too"
 172     #endif
 173 };
 174
 175 static int64_t tests[][6] =
 176         /*      test #  Action  [offset|flags]  length          expected        server/client */
 177         {
 178         /* Various simple tests exercising the list */
 179
 180 /* SECTION 1: WRITE and UNLOCK with the same process (SERVER) */
 181         /* Add a lock to an empty list */
 182                 {1,     WRLOCK, 1,              10,             PASS,           SERVER  },
 183                 {1,     UNLOCK, 1,              10,             PASS,           SERVER  },
 184
 185         /* Add a lock to the start and end of a list - 1, 13 - no overlap */
 186                 {2,     WRLOCK, 10,             10,             PASS,           SERVER  },
 187                 {2,     WRLOCK, 30,             10,             PASS,           SERVER  },
 188                 {2,     WRLOCK, 50,             10,             PASS,           SERVER  },
 189                 {2,     WRLOCK, 1,              5,              PASS,           SERVER  },
 190                 {2,     WRLOCK, 70,             5,              PASS,           SERVER  },
 191
 192                 {2,     UNLOCK, 10,             10,             PASS,           SERVER  },
 193                 {2,     UNLOCK, 30,             10,             PASS,           SERVER  },
 194                 {2,     UNLOCK, 50,             10,             PASS,           SERVER  },
 195                 {2,     UNLOCK, 1,              5,              PASS,           SERVER  },
 196                 {2,     UNLOCK, 70,             5,              PASS,           SERVER  },
 197
 198         /* Add a lock to the middle of a list - no overlap */
 199                 {3,     WRLOCK, 10,             10,             PASS,           SERVER  },
 200                 {3,     WRLOCK, 30,             10,             PASS,           SERVER  },
 201                 {3,     WRLOCK, 50,             10,             PASS,           SERVER  },
 202                 {3,     WRLOCK, 42,             5,              PASS,           SERVER  },
 203
 204                 {3,     UNLOCK, 10,             10,             PASS,           SERVER  },
 205                 {3,     UNLOCK, 30,             10,             PASS,           SERVER  },
 206                 {3,     UNLOCK, 50,             10,             PASS,           SERVER  },
 207                 {3,     UNLOCK, 42,             5,              PASS,           SERVER  },
 208
 209         /* Add different lock types to middle of the list - overlap exact match - 3 */
 210                 {4,     WRLOCK, 10,             10,             PASS,           SERVER  },
 211                 {4,     WRLOCK, 30,             10,             PASS,           SERVER  },
 212                 {4,     WRLOCK, 50,             10,             PASS,           SERVER  },
 213                 /* Exact match - same lock type */
 214                 {4,     WRLOCK, 30,             10,             PASS,           SERVER  },
 215                 /* Exact match - different lock type */
 216                 {4,     RDLOCK, 30,             10,             PASS,           SERVER  },
 217                 /* Exact match - unlock */
 218                 {4,     UNLOCK, 30,             10,             PASS,           SERVER  },
 219                 /* New lock - as above, inserting in the list again */
 220                 {4,     WRLOCK, 30,             10,             PASS,           SERVER  },
 221
 222                 {4,     UNLOCK, 10,             10,             PASS,           SERVER  },
 223                 {4,     UNLOCK, 30,             10,             PASS,           SERVER  },
 224                 {4,     UNLOCK, 50,             10,             PASS,           SERVER  },
 225
 226         /* Add new lock which completely overlaps any old lock in the list - 4,5,6 */
 227                 {5,     WRLOCK, 10,             10,             PASS,           SERVER  },
 228                 {5,     WRLOCK, 30,             10,             PASS,           SERVER  },
 229                 {5,     WRLOCK, 50,             10,             PASS,           SERVER  },
 230                 /* The start is the same, end overlaps */
 231                 {5,     WRLOCK, 30,             15,             PASS,           SERVER  },
 232                 /* The start is before, end is the same */
 233                 {5,     WRLOCK, 25,             20,             PASS,           SERVER  },
 234                 /* Both start and end overlap */
 235                 {5,     WRLOCK, 22,             26,             PASS,           SERVER  },
 236
 237                 {5,     UNLOCK, 10,             10,             PASS,           SERVER  },
 238                 {5,     UNLOCK, 22,             26,             PASS,           SERVER  },
 239                 {5,     UNLOCK, 50,             10,             PASS,           SERVER  },
 240
 241         /* Add new lock which itself is completely overlaped by any old lock in the list - 7,8,10 */
 242                 {6,     WRLOCK, 10,             10,             PASS,           SERVER  },
 243                 {6,     WRLOCK, 30,             10,             PASS,           SERVER  },
 244                 {6,     WRLOCK, 50,             10,             PASS,           SERVER  },
 245                 /* The start is the same, end is in the middle of old lock - NOP */
 246                 {6,     WRLOCK, 30,             5,              PASS,           SERVER  },
 247                 /* The start and end are in the middle of old lock - NOP */
 248                 {6,     WRLOCK, 32,             6,              PASS,           SERVER  },
 249                 /* Start in the middle and end is the same - NOP */
 250                 {6,     WRLOCK, 32,             8,              PASS,           SERVER  },
 251
 252                 {6,     UNLOCK, 10,             10,             PASS,           SERVER  },
 253                 {6,     UNLOCK, 30,             10,             PASS,           SERVER  },
 254                 {6,     UNLOCK, 32,             8,              PASS,           SERVER  },
 255                 {6,     UNLOCK, 50,             10,             PASS,           SERVER  },
 256
 257         /* Add new lock which starts before any old lock in the list - 2,9 */
 258                 {7,     WRLOCK, 10,             10,             PASS,           SERVER  },
 259                 {7,     WRLOCK, 30,             10,             PASS,           SERVER  },
 260                 {7,     WRLOCK, 50,             10,             PASS,           SERVER  },
 261                 /* Here is the new lock */
 262                 {7,     WRLOCK, 27,             10,             PASS,           SERVER  },
 263                 /* Go again with the end of the new lock matching the start of old lock */
 264                 {7,     WRLOCK, 25,             2,              PASS,           SERVER  },
 265
 266                 {7,     UNLOCK, 10,             10,             PASS,           SERVER  },
 267                 {7,     UNLOCK, 25,             15,             PASS,           SERVER  },
 268                 {7,     UNLOCK, 50,             10,             PASS,           SERVER  },
 269
 270         /* Add new lock which starts in the middle of any old lock in the list and ends after - 11,12 */
 271                 {8,     WRLOCK, 10,             10,             PASS,           SERVER  },
 272                 {8,     WRLOCK, 30,             10,             PASS,           SERVER  },
 273                 {8,     WRLOCK, 50,             10,             PASS,           SERVER  },
 274                 /* Here is the new lock */
 275                 {8,     WRLOCK, 35,             10,             PASS,           SERVER  },
 276                 /* Go again with the end of the new lock matching the start of old lock */
 277                 {8,     WRLOCK, 45,             2,              PASS,           SERVER  },
 278
 279                 {8,     UNLOCK, 10,             10,             PASS,           SERVER  },
 280                 {8,     UNLOCK, 30,             17,             PASS,           SERVER  },
 281                 {8,     UNLOCK, 50,             10,             PASS,           SERVER  },
 282 /* SECTION 2: Overlapping READ and WRITE and UNLOCK with the same process (SERVER) */
 283         /* Add different new lock types which completely overlaps any old lock in the list - 4,5,6 */
 284                 {9,     WRLOCK, 10,             10,             PASS,           SERVER  },
 285                 {9,     WRLOCK, 30,             10,             PASS,           SERVER  },
 286                 {9,     WRLOCK, 50,             10,             PASS,           SERVER  },
 287                 /* The start is the same, end overlaps */
 288                 {9,     RDLOCK, 30,             15,             PASS,           SERVER  },
 289                 /* The start is before, end is the same */
 290                 {9,     WRLOCK, 25,             20,             PASS,           SERVER  },
 291                 /* Both start and end overlap */
 292                 {9,     RDLOCK, 22,             26,             PASS,           SERVER  },
 293
 294                 {9,     UNLOCK, 10,             10,             PASS,           SERVER  },
 295                 {9,     UNLOCK, 22,             26,             PASS,           SERVER  },
 296                 {9,     UNLOCK, 50,             10,             PASS,           SERVER  },
 297
 298         /* Add different new locks which are completely overlaped by an old lock in the list - 7,8,10 */
 299                 {10,    WRLOCK, 10,             10,             PASS,           SERVER  },
 300                 {10,    WRLOCK, 30,             10,             PASS,           SERVER  },
 301                 {10,    WRLOCK, 50,             10,             PASS,           SERVER  },
 302                 /* The start is the same, end is in the middle of old lock */
 303                 {10,    RDLOCK, 30,             5,              PASS,           SERVER  },
 304                 /* The start and end are in the middle of a lock */
 305                 {10,    WRLOCK, 32,             2,              PASS,           SERVER  },
 306                 /* Start in the middle and end is the same */
 307                 {10,    RDLOCK, 36,             5,              PASS,           SERVER  },
 308
 309                 {10,    UNLOCK, 10,             10,             PASS,           SERVER  },
 310                 {10,    UNLOCK, 30,             11,             PASS,           SERVER  },
 311                 {10,    UNLOCK, 50,             10,             PASS,           SERVER  },
 312
 313         /* Add different new lock types which start before the old lock in the list - 2,9 */
 314                 {11,    WRLOCK, 10,             10,             PASS,           SERVER  },
 315                 {11,    WRLOCK, 30,             10,             PASS,           SERVER  },
 316                 {11,    WRLOCK, 50,             10,             PASS,           SERVER  },
 317                 /* Here is the new lock */
 318                 {11,    RDLOCK, 27,             10,             PASS,           SERVER  },
 319                 /* Go again with the end of the new lock matching the start of lock */
 320                 {11,    WRLOCK, 25,             3,              PASS,           SERVER  },
 321
 322                 {11,    UNLOCK, 10,             10,             PASS,           SERVER  },
 323                 {11,    UNLOCK, 25,             15,             PASS,           SERVER  },
 324                 {11,    UNLOCK, 50,             10,             PASS,           SERVER  },
 325
 326         /* Add different new lock types which start in the middle of an old lock in the list and end after - 11,12 */
 327                 {12,    WRLOCK, 10,             10,             PASS,           SERVER  },
 328                 {12,    WRLOCK, 30,             10,             PASS,           SERVER  },
 329                 {12,    WRLOCK, 50,             10,             PASS,           SERVER  },
 330                 /* Here is the new lock */
 331                 {12,    RDLOCK, 35,             10,             PASS,           SERVER  },
 332                 /* Go again with the end of the new lock matching the start of old lock */
 333                 {12,    WRLOCK, 44,             3,              PASS,           SERVER  },
 334
 335                 {12,    UNLOCK, 10,             10,             PASS,           SERVER  },
 336                 {12,    UNLOCK, 30,             18,             PASS,           SERVER  },
 337                 {12,    UNLOCK, 50,             10,             PASS,           SERVER  },
 338
 339 /* SECTION 3: Overlapping READ and WRITE and UNLOCK with the different processes (CLIENT/SERVER) */
 340         /* Add new lock, differing types and processes, to middle of the list - exact overlap match - 3 */
 341                 {13,    WRLOCK, 10,             10,             PASS,           SERVER  },
 342                 {13,    WRLOCK, 30,             10,             PASS,           SERVER  },
 343                 {13,    RDLOCK, 50,             10,             PASS,           SERVER  },
 344                 /* Same lock type, different process */
 345                 {13,    WRLOCK, 30,             10,             FAIL,           CLIENT  },
 346                 {13,    RDLOCK, 50,             10,             PASS,           CLIENT  },
 347                 /* Exact match - different lock type, different process */
 348                 {13,    RDLOCK, 30,             10,             FAIL,           CLIENT  },
 349                 /* Exact match - unlock */
 350                 {13,    UNLOCK, 30,             10,             PASS,           CLIENT  },
 351                 /* New lock - as above, inserting in the list again */
 352                 {13,    UNLOCK, 30,             10,             PASS,           SERVER  },
 353                 /* Exact match - same lock type, different process */
 354                 {13,    WRLOCK, 30,             10,             PASS,           CLIENT  },
 355
 356                 {13,    UNLOCK, 10,             10,             PASS,           SERVER  },
 357                 {13,    UNLOCK, 30,             10,             PASS,           CLIENT  },
 358                 {13,    UNLOCK, 50,             10,             PASS,           SERVER  },
 359
 360         /* Add new lock, differing types and processes, which completely overlap any of the locks in the list - 4,5,6 */
 361                 {14,    WRLOCK, 10,             10,             PASS,           SERVER  },
 362                 {14,    WRLOCK, 30,             10,             PASS,           SERVER  },
 363                 {14,    RDLOCK, 50,             10,             PASS,           SERVER  },
 364                 /* The start is the same, end overlaps */
 365                 {14,    RDLOCK, 30,             15,             FAIL,           CLIENT  },
 366                 {14,    WRLOCK, 30,             15,             FAIL,           CLIENT  },
 367                 /* The start is before, end is the same */
 368                 {14,    RDLOCK, 25,             20,             FAIL,           CLIENT  },
 369                 {14,    WRLOCK, 25,             20,             FAIL,           CLIENT  },
 370                 /* Both start and end overlap */
 371                 {14,    RDLOCK, 22,             26,             FAIL,           CLIENT  },
 372                 {14,    WRLOCK, 22,             26,             FAIL,           CLIENT  },
 373
 374                 /* The start is the same, end overlaps */
 375                 {14,    RDLOCK, 50,             15,             PASS,           CLIENT  },
 376                 {14,    WRLOCK, 50,             17,             FAIL,           CLIENT  },
 377                 /* The start is before, end is the same */
 378                 {14,    RDLOCK, 45,             20,             PASS,           CLIENT  },
 379                 {14,    WRLOCK, 43,             22,             FAIL,           CLIENT  },
 380                 /* Both start and end overlap */
 381                 {14,    RDLOCK, 42,             26,             PASS,           CLIENT  },
 382                 {14,    WRLOCK, 41,             28,             FAIL,           CLIENT  },
 383
 384                 {14,    UNLOCK, 10,             10,             PASS,           SERVER  },
 385                 {14,    UNLOCK, 22,             26,             PASS,           SERVER  },
 386                 {14,    UNLOCK, 42,             26,             PASS,           CLIENT  },
 387
 388         /* Add new lock, differing types and processes, which are completely overlaped by an old lock in the list - 7,8,10 */
 389                 {15,    WRLOCK, 10,             10,             PASS,           SERVER  },
 390                 {15,    RDLOCK, 30,             10,             PASS,           SERVER  },
 391                 {15,    WRLOCK, 50,             10,             PASS,           SERVER  },
 392                 /* The start is the same, end is in the middle of old lock */
 393                 {15,    RDLOCK, 50,             5,              FAIL,           CLIENT  },
 394                 {15,    WRLOCK, 50,             5,              FAIL,           CLIENT  },
 395                 /* The start and end are in the middle of old lock */
 396                 {15,    RDLOCK, 52,             6,              FAIL,           CLIENT  },
 397                 {15,    WRLOCK, 52,             6,              FAIL,           CLIENT  },
 398                 /* Start in the middle and end is the same */
 399                 {15,    RDLOCK, 52,             8,              FAIL,           CLIENT  },
 400                 {15,    WRLOCK, 52,             8,              FAIL,           CLIENT  },
 401                 /* The start is the same, end is in the middle of old lock */
 402                 {15,    RDLOCK, 30,             5,              PASS,           CLIENT  },
 403                 {15,    WRLOCK, 30,             5,              FAIL,           CLIENT  },
 404                 /* The start and end are in the middle of old lock */
 405                 {15,    RDLOCK, 32,             6,              PASS,           CLIENT  },
 406                 {15,    WRLOCK, 32,             6,              FAIL,           CLIENT  },
 407                 /* Start in the middle and end is the same */
 408                 {15,    RDLOCK, 32,             8,              PASS,           CLIENT  },
 409                 {15,    WRLOCK, 32,             8,              FAIL,           CLIENT  },
 410
 411                 {15,    UNLOCK, 10,             10,             PASS,           SERVER  },
 412                 {15,    UNLOCK, 30,             10,             PASS,           SERVER  },
 413                 {15,    UNLOCK, 50,             10,             PASS,           SERVER  },
 414         /* Add new lock, differing types and processes, which start before a lock in the list - 2,9 */
 415                 {16,    RDLOCK, 10,             10,             PASS,           SERVER  },
 416                 {16,    WRLOCK, 50,             10,             PASS,           SERVER  },
 417                 /* Start is before, end is the start of the old lock in list */
 418                 {16,    RDLOCK, 5,              6,              PASS,           CLIENT  },
 419                 {16,    WRLOCK, 5,              6,              FAIL,           CLIENT  },
 420                 /* Start is before, end is in the middle of the old lock */
 421                 {16,    RDLOCK, 5,              10,             PASS,           CLIENT  },
 422                 {16,    WRLOCK, 5,              10,             FAIL,           CLIENT  },
 423                 /* Start is before, end is the start of the old lock in list */
 424                 {16,    RDLOCK, 45,             6,              FAIL,           CLIENT  },
 425                 {16,    WRLOCK, 45,             6,              FAIL,           CLIENT  },
 426                 /* Start is before, end is in the middle of the old lock */
 427                 {16,    RDLOCK, 45,             10,             FAIL,           CLIENT  },
 428                 {16,    WRLOCK, 45,             10,             FAIL,           CLIENT  },
 429
 430                 {16,    UNLOCK, 5,              15,             PASS,           CLIENT  },
 431                 {16,    UNLOCK, 30,             10,             PASS,           SERVER  },
 432                 {16,    UNLOCK, 50,             10,             PASS,           SERVER  },
 433
 434         /* Add new lock, differing types and processes, which starts in the middle of a lock, and ends after - 11,12 */
 435                 {17,    WRLOCK, 10,             10,             PASS,           SERVER  },
 436                 {17,    RDLOCK, 30,             10,             PASS,           SERVER  },
 437                 {17,    WRLOCK, 50,             10,             PASS,           SERVER  },
 438                 /* Start in the middle, end after lock in list */
 439                 {17,    WRLOCK, 35,             10,             FAIL,           CLIENT  },
 440                 /* Start matches end of lock in list  */
 441                 {17,    RDLOCK, 35,             10,             PASS,           CLIENT  },
 442                 {17,    RDLOCK, 44,             2,              PASS,           CLIENT  },
 443                 /* Start in the middle, end after lock in list */
 444                 {17,    RDLOCK, 55,             10,             FAIL,           CLIENT  },
 445                 {17,    WRLOCK, 55,             10,             FAIL,           CLIENT  },
 446                 /* Start matches end of lock in list  */
 447                 {17,    RDLOCK, 59,             5,              FAIL,           CLIENT  },
 448                 {17,    WRLOCK, 59,             5,              FAIL,           CLIENT  },
 449
 450                 {17,    UNLOCK, 10,             10,             PASS,           SERVER  },
 451                 {17,    UNLOCK, 30,             16,             PASS,           CLIENT  },
 452                 {17,    UNLOCK, 50,             10,             PASS,           SERVER  },
 453
 454 /* SECTION 4: overlapping and EOF tests */
 455         /* Acquire overlapping ranges */
 456                 {18,    WRLOCK, 11,             7,              PASS,           SERVER  },
 457                 {18,    WRLOCK, 13,             8,              FAIL,           CLIENT  },
 458                 {18,    UNLOCK, 11,             7,              PASS,           SERVER  },
 459         /* Acquire different ranges beyond EOF */
 460                 {19,    WRLOCK, 10,             FILE_SIZE,      PASS,           SERVER  },
 461                 {19,    WRLOCK, FILE_SIZE + 10, 10,             PASS,           CLIENT  },
 462                 {19,    UNLOCK, 10,             FILE_SIZE,      PASS,           SERVER  },
 463                 {19,    UNLOCK, FILE_SIZE + 10, 10,             PASS,           CLIENT  },
 464         /* Acquire same range beyong EOF */
 465                 {20,    WRLOCK, 10,             FILE_SIZE,      PASS,           SERVER, },
 466                 {20,    WRLOCK, 10,             FILE_SIZE,      FAIL,           CLIENT, },
 467                 {20,    UNLOCK, 10,             FILE_SIZE,      PASS,           SERVER, },
 468         /* Acquire whole file lock */
 469                 {21,    WRLOCK, 0,              0,              PASS,           SERVER, },
 470                 {21,    WRLOCK, 0,              0,              FAIL,           CLIENT, },
 471                 {21,    UNLOCK, 0,              0,              PASS,           SERVER, },
 472         /* Acquire whole file lock, then range */
 473                 {22,    WRLOCK, 0,              0,              PASS,           SERVER, },
 474                 {22,    WRLOCK, 1,              5,              FAIL,           CLIENT, },
 475                 {22,    UNLOCK, 0,              0,              PASS,           SERVER, },
 476         /* Acquire non-overlapping read locks */
 477                 {23,    RDLOCK, 1,              5,              PASS,           SERVER, },
 478                 {23,    RDLOCK, 7,              6,              PASS,           CLIENT, },
 479                 {23,    UNLOCK, 1,              5,              PASS,           SERVER, },
 480                 {23,    UNLOCK, 7,              6,              PASS,           CLIENT, },
 481         /* Acquire overlapping read locks */
 482                 {24,    RDLOCK, 1,              5,              PASS,           SERVER, },
 483                 {24,    RDLOCK, 2,              6,              PASS,           CLIENT, },
 484                 {24,    UNLOCK, 1,              5,              PASS,           SERVER, },
 485                 {24,    UNLOCK, 1,              7,              PASS,           CLIENT, },
 486         /* Acquire non-overlapping read and write locks */
 487                 {25,    RDLOCK, 1,              5,              PASS,           SERVER, },
 488                 {25,    WRLOCK, 7,              6,              PASS,           CLIENT, },
 489                 {25,    UNLOCK, 1,              5,              PASS,           SERVER, },
 490                 {25,    UNLOCK, 7,              6,              PASS,           CLIENT, },
 491         /* Acquire overlapping read and write locks */
 492                 {26,    RDLOCK, 1,              5,              PASS,           SERVER, },
 493                 {26,    WRLOCK, 2,              6,              FAIL,           CLIENT, },
 494                 {26,    UNLOCK, 1,              5,              PASS,           SERVER, },
 495         /* Acquire whole file lock, then close (without unlocking) */
 496                 {27,    WRLOCK, 0,              0,              PASS,           SERVER, },
 497                 {27,    WRLOCK, 1,              5,              FAIL,           CLIENT, },
 498                 {27,    F_CLOSE,0,              0,              PASS,           SERVER, },
 499                 {27,    WRLOCK, 1,              5,              PASS,           CLIENT, },
 500                 {27,    F_OPEN, O_RDWR,         0,              PASS,           SERVER, },
 501                 {27,    UNLOCK, 1,              5,              PASS,           CLIENT, },
 502         /* Acquire two read locks, close one file and then reopen to check that first lock still exists */
 503                 {28,    RDLOCK, 1,              5,              PASS,           SERVER, },
 504                 {28,    RDLOCK, 1,              5,              PASS,           CLIENT, },
 505                 {28,    F_CLOSE,0,              0,              PASS,           SERVER, },
 506                 {28,    F_OPEN, O_RDWR,         0,              PASS,           SERVER, },
 507                 {28,    WRLOCK, 0,              0,              FAIL,           SERVER, },
 508                 {28,    UNLOCK, 1,              5,              PASS,           SERVER, },
 509         /* Verify that F_GETLK for F_WRLCK doesn't require that file be opened for write */
 510                 {29,    F_CLOSE, 0,             0,              PASS,           SERVER, },
 511                 {29,    F_OPEN, O_RDONLY,       0,              PASS,           SERVER, },
 512                 {29,    WRTEST, 0,              0,              PASS,           SERVER, },
 513                 {29,    F_CLOSE,0,              0,              PASS,           SERVER, },
 514                 {29,    F_OPEN, O_RDWR,         0,              PASS,           SERVER, },
 515 #ifdef macosx
 516         /* Close the opened file and open the file with SHLOCK, other client will try to open with SHLOCK too */
 517                 {30,    F_CLOSE,0,              0,              PASS,           SERVER, },
 518                 {30,    F_OPEN, O_RDWR|O_SHLOCK|O_NONBLOCK,     0,      PASS,           SERVER, },
 519                 {30,    F_CLOSE,0,              0,              PASS,           CLIENT, },
 520                 {30,    F_OPEN, O_RDWR|O_SHLOCK|O_NONBLOCK,     0,      PASS,           CLIENT, },
 521         /* Close the opened file and open the file with SHLOCK, other client will try to open with EXLOCK */
 522                 {31,    F_CLOSE,0,              0,              PASS,           SERVER, },
 523                 {31,    F_CLOSE,0,              0,              PASS,           CLIENT, },
 524                 {31,    F_OPEN, O_RDWR|O_SHLOCK|O_NONBLOCK,     0,      PASS,           SERVER, },
 525                 {31,    F_OPEN, O_RDWR|O_EXLOCK|O_NONBLOCK,     0,      FAIL,           CLIENT, },
 526         /* Close the opened file and open the file with EXLOCK, other client will try to open with EXLOCK too */
 527                 {32,    F_CLOSE,0,              0,              PASS,           SERVER, },
 528                 {32,    F_CLOSE,0,              0,              FAIL,           CLIENT, },
 529                 {32,    F_OPEN, O_RDWR|O_EXLOCK|O_NONBLOCK,     0,      PASS,           SERVER, },
 530                 {32,    F_OPEN, O_RDWR|O_EXLOCK|O_NONBLOCK,     0,      FAIL,           CLIENT, },
 531                 {32,    F_CLOSE,0,              0,              PASS,           SERVER, },
 532                 {32,    F_CLOSE,0,              0,              FAIL,           CLIENT, },
 533                 {32,    F_OPEN, O_RDWR,         0,              PASS,           SERVER, },
 534                 {32,    F_OPEN, O_RDWR,         0,              PASS,           CLIENT, },
 535 #endif /* macosx */
 536         /* indicate end of array */
 537                 {0,0,0,0,0,SERVER},
 538                 {0,0,0,0,0,CLIENT}
 539         };
 540
 541 static struct {
 542     int32_t             test;
 543     int32_t             command;
 544     int64_t             offset;
 545     int64_t             length;
 546     int32_t             result;
 547     int32_t             index;
 548     int32_t             error;
 549     int32_t             padding; /* So mac and irix have the same size struct (bloody alignment) */
 550 } ctl;
 551
 552
 553 void
 554 usage(void)
 555 {
 556     fprintf(stderr, "Usage: %s [options] sharedfile\n\
 557 \n\
 558 options:\n\
 559   -p port       TCP/IP port number for client-server communication\n\
 560   -d            enable debug tracing\n\
 561   -n #          test number to run\n\
 562   -h host       run as client and connect to server on remote host\n\
 563                 [default run as server]\n", prog);
 564     exit(1);
 565 }
 566
 567 #define INIT_BUFSZ 512
 568
 569 void
 570 initialize(HANDLE fd)
 571 {
 572     char*       ibuf;
 573     int         j=0;
 574     int         nwrite;
 575     int         offset = 0;
 576     int         togo = FILE_SIZE;
 577
 578     ibuf = (char*)malloc(INIT_BUFSZ);
 579     memset(ibuf, ':', INIT_BUFSZ);
 580
 581     SEEK(fd, 0L);
 582     while (togo) {
 583         offset+=j;
 584         j = togo > INIT_BUFSZ ? INIT_BUFSZ : togo;
 585
 586         if ((nwrite = WRITE(fd, ibuf, j)) != j) {
 587             if (nwrite < 0)
 588                 perror("initialize write:");
 589             else
 590                 fprintf(stderr, "initialize: write() returns %d, not %d as expected\n",
 591                         nwrite, j);
 592             exit(1);
 593             /*NOTREACHED*/
 594         }
 595         togo -= j;
 596     }
 597 }
 598
 599
 600 int do_open(int flag)
 601 {
 602     if ((f_fd = OPEN(filename, flag)) == INVALID_HANDLE) {
 603         perror("shared file create");
 604         return FAIL;
 605         /*NOTREACHED*/
 606     }
 607
 608     return PASS;
 609 }
 610
 611 static int do_lock(int cmd, int type, int start, int length)
 612 {
 613     int ret;
 614     int filedes = f_fd;
 615     struct flock fl;
 616
 617     if(debug > 1) {
 618         fprintf(stderr, "do_lock: cmd=%d type=%d start=%d, length=%d\n", cmd, type, start, length);
 619     }
 620
 621     if (f_fd < 0)
 622         return f_fd;
 623
 624     fl.l_start = start;
 625     fl.l_len = length;
 626     fl.l_whence = SEEK_SET;
 627     fl.l_pid = getpid();
 628     fl.l_type = type;
 629
 630     errno = 0;
 631
 632     ret = fcntl(filedes, cmd, &fl);
 633     saved_errno = errno;
 634
 635     if(debug > 1 && ret)
 636         fprintf(stderr, "do_lock: ret = %d, errno = %d (%s)\n", ret, errno, strerror(errno));
 637
 638     return(ret==0?PASS:FAIL);
 639 }
 640
 641 int do_close(void)
 642 {
 643     if(debug > 1) {
 644         fprintf(stderr, "do_close\n");
 645     }
 646
 647     errno =0;
 648     CLOSE(f_fd);
 649     f_fd = INVALID_HANDLE;
 650
 651     saved_errno = errno;
 652
 653     if (errno)
 654         return FAIL;
 655     return PASS;
 656 }
 657
 658 void
 659 send_ctl(void)
 660 {
 661     int         nwrite;
 662
 663     if (debug > 1) {
 664         fprintf(stderr, "send_ctl: test=%d, command=%d offset=%"LL"d, length=%"LL"d, result=%d, error=%d\n",
 665                 ctl.test, ctl.command, (long long)ctl.offset, (long long)ctl.length,ctl.result, ctl.error);
 666     }
 667
 668     ctl.test= bswap_uint32(ctl.test);
 669     ctl.command = bswap_uint32(ctl.command);
 670     ctl.offset = bswap_uint64(ctl.offset);
 671     ctl.length = bswap_uint64(ctl.length);
 672     ctl.result = bswap_uint32(ctl.result);
 673     ctl.index= bswap_uint32(ctl.index);
 674     ctl.error = bswap_uint32(ctl.error);
 675     nwrite = SOCKET_WRITE(c_fd, (char*)&ctl, sizeof(ctl));
 676
 677     ctl.test= bswap_uint32(ctl.test);
 678     ctl.command = bswap_uint32(ctl.command);
 679     ctl.offset = bswap_uint64(ctl.offset);
 680     ctl.length = bswap_uint64(ctl.length);
 681     ctl.result = bswap_uint32(ctl.result);
 682     ctl.index= bswap_uint32(ctl.index);
 683     ctl.error= bswap_uint32(ctl.error);
 684     if (nwrite != sizeof(ctl)) {
 685         if (nwrite < 0)
 686             perror("send_ctl: write");
 687         else
 688             fprintf(stderr, "send_ctl[%d]: write() returns %d, not %zu as expected\n",
 689                     ctl.test, nwrite, sizeof(ctl));
 690         exit(1);
 691         /*NOTREACHED*/
 692     }
 693 }
 694
 695 void recv_ctl(void)
 696 {
 697     int         nread;
 698
 699     if ((nread = SOCKET_READ(c_fd, (char*)&ctl, sizeof(ctl))) != sizeof(ctl)) {
 700         if (nread < 0)
 701             perror("recv_ctl: read");
 702         else {
 703             fprintf(stderr, "recv_ctl[%d]: read() returns %d, not %zu as expected\n",
 704                     ctl.test, nread, sizeof(ctl));
 705             fprintf(stderr, "socket might has been closed by other locktest\n");
 706         }
 707         exit(1);
 708         /*NOTREACHED*/
 709     }
 710     ctl.test= bswap_uint32(ctl.test);
 711     ctl.command = bswap_uint32(ctl.command);
 712     ctl.offset = bswap_uint64(ctl.offset);
 713     ctl.length = bswap_uint64(ctl.length);
 714     ctl.result = bswap_uint32(ctl.result);
 715     ctl.index= bswap_uint32(ctl.index);
 716     ctl.error= bswap_uint32(ctl.error);
 717
 718     if (debug > 1) {
 719         fprintf(stderr, "recv_ctl: test=%d, command=%d offset=%"LL"d, length=%"LL"d, result=%d, error=%d\n",
 720                 ctl.test, ctl.command, (long long)ctl.offset, (long long)ctl.length, ctl.result, ctl.error);
 721     }
 722 }
 723
 724 void
 725 cleanup(void)
 726 {
 727     if (f_fd>=0)
 728         CLOSE(f_fd);
 729
 730     if (c_fd>=0)
 731         SOCKET_CLOSE(c_fd);
 732
 733     if (s_fd>=0)
 734         SOCKET_CLOSE(s_fd);
 735
 736     PLATFORM_CLEANUP();
 737 }
 738
 739 int
 740 main(int argc, char *argv[])
 741 {
 742     int         i, sts;
 743     int         c;
 744     struct sockaddr_in  myAddr;
 745     struct linger       noLinger = {1, 0};
 746     char        *host = NULL;
 747     char        *endnum;
 748     int         errflag = 0;
 749     char        *p;
 750     extern char *optarg;
 751     extern int  optind;
 752     int fail_count = 0;;
 753
 754     atexit(cleanup);
 755
 756     PLATFORM_INIT();
 757
 758     /* trim command name of leading directory components */
 759     prog = argv[0];
 760     for (p = prog; *p; p++) {
 761         if (*p == '/')
 762             prog = p+1;
 763     }
 764
 765     while ((c = getopt(argc, argv, "dn:h:p:?")) != EOF) {
 766         switch (c) {
 767
 768         case 'd':       /* debug flag */
 769             debug++;
 770             break;
 771
 772         case 'h':       /* (server) hostname */
 773             server = 0;
 774             host = optarg;
 775             break;
 776
 777         case 'n':
 778             testnumber = atoi(optarg);
 779             break;
 780
 781         case 'p':       /* TCP/IP port */
 782             port = (int)strtol(optarg, &endnum, 10);
 783             if (*endnum != '\0') {
 784                 fprintf(stderr, "%s: -p argument must be a numeric\n",
 785                         prog);
 786                 exit(1);
 787                 /*NOTREACHED*/
 788             }
 789             break;
 790
 791         case '?':
 792         default:
 793             errflag++;
 794             break;
 795         }
 796     }
 797
 798     if (errflag || optind != argc-1) {
 799         usage();
 800         /*NOTREACHED*/
 801     }
 802
 803     filename=argv[optind];
 804     if (do_open(O_RDWR) == FAIL)
 805         exit(1);
 806
 807     setbuf(stderr, NULL);
 808
 809     if (server) {
 810         int one = 1;
 811
 812         s_fd = socket(AF_INET, SOCK_STREAM, 0);
 813         if (s_fd == INVALID_SOCKET) {
 814             perror("socket");
 815             exit(1);
 816             /*NOTREACHED*/
 817         }
 818         if (setsockopt(s_fd, IPPROTO_TCP, TCP_NODELAY, (char*)&one, sizeof(one)) < 0) {
 819             perror("setsockopt(nodelay)");
 820             exit(1);
 821             /*NOTREACHED*/
 822         }
 823         if (setsockopt(s_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&one, sizeof(one))<0) {
 824             perror("setsockopt(reuseaddr)");
 825             exit(1);
 826             /*NOTREACHED*/
 827         }
 828 #ifdef SO_REUSEPORT
 829         if (setsockopt(s_fd, SOL_SOCKET, SO_REUSEPORT, (char*)&one, sizeof(one))<0) {
 830             perror("setsockopt(reuseport)");
 831             exit(1);
 832             /*NOTREACHED*/
 833         }
 834 #endif
 835
 836         memset(&myAddr, 0, sizeof(myAddr));
 837         myAddr.sin_family = AF_INET;
 838         myAddr.sin_addr.s_addr = htonl(INADDR_ANY);
 839         myAddr.sin_port = htons((short)port);
 840         sts = bind(s_fd, (struct sockaddr*)&myAddr, sizeof(myAddr));
 841         if (sts < 0) {
 842             perror("bind");
 843             exit(1);
 844             /*NOTREACHED*/
 845         }
 846
 847         sts = listen(s_fd, 5);  /* Max. of 5 pending connection requests */
 848         if (sts == -1) {
 849             perror("listen");
 850             exit(1);
 851             /*NOTREACHED*/
 852         }
 853
 854         if (port == 0) {
 855                 socklen_t addr_len = sizeof(myAddr);
 856
 857                 if (getsockname(s_fd, &myAddr, &addr_len)) {
 858                     perror("getsockname");
 859                     exit(1);
 860                 }
 861
 862                 port = ntohs(myAddr.sin_port);
 863         }
 864
 865         printf("server port: %d\n", port);
 866         fflush(stdout);
 867
 868         c_fd = accept(s_fd, NULL, NULL);
 869         if (c_fd == INVALID_SOCKET) {
 870             perror("accept");
 871             exit(1);
 872             /*NOTREACHED*/
 873         }
 874
 875         if (debug) fprintf(stderr, "Client accepted\n");
 876         SRAND(12345L);
 877     }
 878     else {
 879         struct hostent  *servInfo;
 880
 881         if ((servInfo = gethostbyname(host)) == NULL) {
 882             printf("Couldn't get hostbyname for %s", host);
 883             if (h_errno == HOST_NOT_FOUND)
 884                 printf(": host not found");
 885             printf("\n");
 886             exit(1);
 887             /*NOTREACHED*/
 888         }
 889
 890         c_fd = socket(AF_INET, SOCK_STREAM, 0);
 891         if (c_fd == INVALID_SOCKET) {
 892             perror("socket");
 893             exit(1);
 894             /*NOTREACHED*/
 895         }
 896         /* avoid 200 ms delay */
 897         if (setsockopt(c_fd, IPPROTO_TCP, TCP_NODELAY, (char *)&i, sizeof(i)) < 0) {
 898             perror("setsockopt(nodelay)");
 899             exit(1);
 900             /*NOTREACHED*/
 901         }
 902         /* Don't linger on close */
 903         if (setsockopt(c_fd, SOL_SOCKET, SO_LINGER, (char *)&noLinger, sizeof(noLinger)) < 0) {
 904             perror("setsockopt(nolinger)");
 905             exit(1);
 906             /*NOTREACHED*/
 907         }
 908
 909         memset(&myAddr, 0, sizeof(myAddr));     /* Arrgh! &myAddr, not myAddr */
 910         myAddr.sin_family = AF_INET;
 911         memcpy(&myAddr.sin_addr, servInfo->h_addr, servInfo->h_length);
 912         myAddr.sin_port = htons((short)port);
 913
 914         if (connect(c_fd, (struct sockaddr*)&myAddr, sizeof(myAddr)) < 0) {
 915             perror("unable to connect");
 916             fprintf(stderr, "Server might still initializing the shared file\n ");
 917             exit(1);
 918             /*NOTREACHED*/
 919         }
 920
 921         if (debug) fprintf(stderr, "Connected to server\n");
 922         SRAND(6789L);
 923     }
 924
 925     if (server)
 926         /* only server need do shared file */
 927         initialize(f_fd);
 928
 929     /*
 930      * TCP/IP connection to be established, safe to proceed.
 931      *
 932      * real work is in here ...
 933      */
 934     i = 0;
 935 {
 936     int index = 0;
 937     int end = 0;
 938     int result = 0;
 939     int last_test = 0;
 940     int test_count = 0;
 941     int fail_flag = 0;
 942     while(!end) {
 943         if (server) {
 944             if(testnumber > 0) {
 945                 last_test = testnumber - 1;
 946                 while(tests[index][TEST_NUM] != testnumber && tests[index][TEST_NUM] != 0) {
 947                     index++;
 948                 }
 949             }
 950             /* If we have a server command, deal with it */
 951             if(tests[index][WHO] == SERVER) {
 952                 if(debug>1)
 953                     fprintf(stderr, "Got a server command (%d)\n", index);
 954                 if(tests[index][TEST_NUM] == 0) {
 955                     index++;
 956                     continue;
 957                 }
 958                 memset(&ctl, 0, sizeof(ctl));
 959                 ctl.test = tests[index][TEST_NUM];
 960
 961                 if(tests[index][TEST_NUM] != 0) {
 962                     switch(tests[index][COMMAND]) {
 963                         case WRLOCK:
 964                             result = do_lock(F_SETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
 965                             break;
 966                         case RDLOCK:
 967                             result = do_lock(F_SETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
 968                             break;
 969                         case UNLOCK:
 970                             result = do_lock(F_SETLK, F_UNLCK, tests[index][OFFSET], tests[index][LENGTH]);
 971                             break;
 972                         case F_CLOSE:
 973                             result = do_close();
 974                             break;
 975                         case F_OPEN:
 976                             result = do_open(tests[index][FLAGS]);
 977                             break;
 978                         case WRTEST:
 979                             result = do_lock(F_GETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
 980                             break;
 981                         case RDTEST:
 982                             result = do_lock(F_GETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
 983                             break;
 984                     }
 985                     if( result != tests[index][RESULT]) {
 986                         fail_flag++;
 987                         /* We have a failure */
 988                         if(debug)
 989                             fprintf(stderr, "Server failure in test %d, while %sing using offset %lld, length %lld - err = %d:%s\n",
 990                                         ctl.test, tests[index][COMMAND]==WRLOCK?"write lock":
 991                                                 tests[index][COMMAND]==RDLOCK?"read lock":
 992                                                 tests[index][COMMAND]==UNLOCK?"unlock":
 993                                                 tests[index][COMMAND]==F_OPEN?"open":"clos",
 994                                                 (long long)tests[index][OFFSET],
 995                                                 (long long)tests[index][LENGTH],
 996                                                 saved_errno, strerror(saved_errno));
 997                         fprintf(stderr, "Server failure in %lld:%s\n",
 998                                         (long long)tests[index][TEST_NUM],
 999                                         descriptions[tests[index][TEST_NUM] - 1]);
1000                     }
1001                 }
1002             /* else send it off to the client */
1003             } else if (tests[index][WHO] == CLIENT) {
1004                 if(tests[index][TEST_NUM] == 0) {
1005                     ctl.test = 0;
1006                     end=1;
1007                 }
1008                 if(debug > 1)
1009                     fprintf(stderr, "Sending command to client (%d) - %s - %lld:%lld\n",
1010                                         index, tests[index][COMMAND]==WRLOCK?"write lock":
1011                                         tests[index][COMMAND]==RDLOCK?"read lock":
1012                                         tests[index][COMMAND]==UNLOCK?"unlock":
1013                                         tests[index][COMMAND]==F_OPEN?"open":"clos",
1014                                         (long long)tests[index][OFFSET],
1015                                         (long long)tests[index][LENGTH]);
1016                 /* get the client to do something */
1017                 ctl.index = index;
1018                 send_ctl();
1019                 if(ctl.test != 0) {
1020                     /* Get the clients response */
1021                     recv_ctl();
1022                     /* this is the whether the test passed or failed,
1023                      * not what the command returned */
1024                     if( ctl.result == FAIL ) {
1025                         fail_flag++;
1026                         if(debug)
1027                             fprintf(stderr, "Client failure in test %d, while %sing using offset %lld, length %lld - err = %d:%s\n",
1028                                         ctl.test, ctl.command==WRLOCK?"write lock":
1029                                         ctl.command==RDLOCK?"read lock":
1030                                         ctl.command==UNLOCK?"unlock":
1031                                         ctl.command==F_OPEN?"open":"clos",
1032                                         (long long)ctl.offset, (long long)ctl.length,
1033                                         ctl.error, strerror(ctl.error));
1034                         fprintf(stderr, "Client failure in %lld:%s\n",
1035                                         (long long)tests[index][TEST_NUM],
1036                                         descriptions[tests[index][TEST_NUM] - 1]);
1037                     }
1038                 }
1039             }
1040             if (debug > 1) {
1041                 fprintf(stderr, "server sleeping ...\n");
1042                 SLEEP(1);
1043             }
1044             if(tests[index][TEST_NUM] != 0) {
1045                 if(last_test != tests[index][TEST_NUM]) {
1046                     test_count++;
1047                     if(fail_flag)
1048                         fail_count++;
1049                     fail_flag = 0;
1050
1051                 }
1052                 last_test = tests[index][TEST_NUM];
1053             }
1054
1055             index++;
1056         } else { /* CLIENT */
1057             if(debug > 2)
1058                 fprintf(stderr,"client: waiting...\n");
1059             /* wait for the server to do something */
1060             recv_ctl();
1061
1062             /* check for a client command */
1063             index = ctl.index;
1064             if (tests[index][WHO] != CLIENT) {
1065                 fprintf(stderr, "not a client command index (%d)\n", index);
1066                 exit(1);
1067             }
1068
1069             if(ctl.test == 0) {
1070                 end = 1;
1071                 break;
1072             }
1073
1074
1075             ctl.command = tests[index][COMMAND];
1076             ctl.offset = tests[index][OFFSET];
1077             ctl.length = tests[index][LENGTH];
1078             switch(tests[index][COMMAND]) {
1079                 case WRLOCK:
1080                     result = do_lock(F_SETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
1081                     break;
1082                 case RDLOCK:
1083                     result = do_lock(F_SETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
1084                     break;
1085                 case UNLOCK:
1086                     result = do_lock(F_SETLK, F_UNLCK, tests[index][OFFSET], tests[index][LENGTH]);
1087                     break;
1088                 case F_CLOSE:
1089                     result = do_close();
1090                     break;
1091                 case F_OPEN:
1092                     result = do_open(tests[index][FLAGS]);
1093                     break;
1094                 case WRTEST:
1095                     result = do_lock(F_GETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
1096                     break;
1097                 case RDTEST:
1098                     result = do_lock(F_GETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
1099                     break;
1100             }
1101             if( result != tests[index][RESULT] ) {
1102                 if(debug)
1103                     fprintf(stderr,"Got %d, wanted %lld\n", result,
1104                                         (long long)tests[index][RESULT]);
1105                 ctl.result = FAIL;
1106                 ctl.error = saved_errno;
1107                 fail_count++;
1108             } else {
1109                 ctl.result = PASS;
1110             }
1111             if(debug > 2)
1112                 fprintf(stderr,"client: sending result to server (%d)\n", ctl.index);
1113             /* Send result to the server */
1114             send_ctl();
1115             if(tests[index][TEST_NUM] != 0) {
1116                 if(last_test != tests[index][TEST_NUM])
1117                     test_count++;
1118                 last_test = tests[index][TEST_NUM];
1119             }
1120         }
1121     }
1122     if(server)
1123         printf("%d tests run, %d failed\n", test_count, fail_count);
1124 }
1125
1126     exit(fail_count);
1127     /*NOTREACHED*/
1128 }
1129
1130