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