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kernel / pub / scm / linux / kernel / git / dgc / xfstests-dev / 042fcd24dbbe27ec235c03011e5b6538857e135e / . / src / locktest.c
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/*
* Copyright (c) 2000-2003 Silicon Graphics, Inc.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it would be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*/
/*
* Synchronized byte range lock exerciser
*/
#include <stdio.h>
#include <stdlib.h>
#include <malloc.h>
#include <fcntl.h>
#include <errno.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <unistd.h>
#include <sys/types.h>
#include <netdb.h>
#include <endian.h>
#include <byteswap.h>
#include <errno.h>
#include <string.h>
#define HEX_2_ASC(x) ((x) > 9) ? (x)-10+'a' : (x)+'0'
#define FILE_SIZE 1024
#define PLATFORM_INIT() /*no-op*/
#define PLATFORM_CLEANUP() /*no-op*/
#define LL "ll"
extern int h_errno;
#define inet_aton(STRING, INADDRP) \
(((INADDRP)->s_addr = inet_addr(STRING)) == -1 ? 0 : 1)
/* this assumes 32 bit pointers */
#define PTR_TO_U64(P) ((unsigned __int64)(unsigned int)(P))
#define U64_TO_PTR(T,U) ((T)(void *)(unsigned int)(U))
#if __BYTE_ORDER == __LITTLE_ENDIAN
#define bswap_uint16(x) (uint16_t)bswap_16(x)
#define bswap_uint32(x) (uint32_t)bswap_32(x)
#define bswap_uint64(x) (uint64_t)bswap_64(x)
#else
#define bswap_uint16(x) x
#define bswap_uint32(x) x
#define bswap_uint64(x) x
#endif
#define SOCKET int
#define SOCKET_READ read
#define SOCKET_WRITE write
#define SOCKET_CLOSE(S) (close(S))
#define INVALID_SOCKET -1
#define O_BINARY 0
#define HANDLE int
#define INVALID_HANDLE -1
#define OPEN(N,F) (open(N, F|O_CREAT|O_BINARY| \
(D_flag ? O_DIRECT : 0), 0644))
#define SEEK(H, O) (lseek(H, O, SEEK_SET))
#define READ(H, B, L) (read(H, B, L))
#define WRITE(H, B, L) (write(H, B, L))
#define CLOSE(H) (close(H))
#define RAND() (rand())
#define SRAND(s) (srand(s))
#define SLEEP(s) (sleep(s))
#define MIN(A,B) (((A)<(B))?(A):(B))
#define MAX(A,B) (((A)>(B))?(A):(B))
#define ALLOC_ALIGNED(S) (memalign(65536, S))
#define FREE_ALIGNED(P) (free(P))
static char *prog;
static char *filename = 0;
static int debug = 0;
static int server = 1;
static int maxio = 8192;
static int port = 0;
static int testnumber = -1;
static int saved_errno = 0;
static SOCKET s_fd = -1; /* listen socket */
static SOCKET c_fd = -1; /* IPC socket */
static HANDLE f_fd = INVALID_HANDLE; /* shared file */
static char *buf; /* I/O buffer */
static int D_flag = 0;
#define WRLOCK 0
#define RDLOCK 1
#define UNLOCK 2
#define F_CLOSE 3
#define F_OPEN 4
#define WRTEST 5
#define RDTEST 6
#define PASS 1
#define FAIL 0
#define SERVER 0
#define CLIENT 1
#define TEST_NUM 0
#define COMMAND 1
#define OFFSET 2
#define LENGTH 3
#define RESULT 4
#define WHO 5
#define FLAGS 2 /* index 2 is also used for do_open() flag, see below */
/*
* flags for Mac OS X do_open()
* O_RDONLY 0x0000
* O_WRONLY 0x0001
* O_RDWR 0x0002
* O_NONBLOCK 0x0004
* O_APPEND 0x0008
* O_SHLOCK 0x0010
* O_EXLOCK 0x0020
* O_ASYNC 0x0040
* O_FSYNC 0x0080
* O_NOFOLLOW 0x0100
* O_CREAT 0x0200
* O_TRUNC 0x0400
* O_EXCL 0x0800
*/
/*
* When adding tests be sure to add to both the descriptions AND tests array.
* Also, be sure to undo whatever is set for each test (eg unlock any locks)
* There is no need to have a matching client command for each server command
* (or vice versa)
*/
char *descriptions[] = {
/* 1 */"Add a lock to an empty lock list",
/* 2 */"Add a lock to the start and end of a list - no overlaps",
/* 3 */"Add a lock to the middle of a list - no overlap",
/* 4 */"Add different lock types to middle of the list - overlap exact match",
/* 5 */"Add new lock which completely overlaps any old lock in the list",
/* 6 */"Add new lock which itself is completely overlaped by any old lock in the list",
/* 7 */"Add new lock which starts before any old lock in the list",
/* 8 */"Add new lock which starts in the middle of any old lock in the list and ends after",
/* 9 */"Add different new lock types which completely overlaps any old lock in the list",
/* 10 */"Add different new locks which are completely overlaped by an old lock in the list",
/* 11 */"Add different new lock types which start before the old lock in the list",
/* 12 */"Add different new lock types which start in the middle of an old lock in the list and end after",
/* 13 */"Add new lock, differing types and processes, to middle of the list - exact overlap match",
/* 14 */"Add new lock, differing types and processes, which completely overlap any of the locks in the list",
/* 15 */"Add new lock, differing types and processes, which are completely overlaped by locks in the list",
/* 16 */"Add new lock, differing types and processes, which start before a lock in the list",
/* 17 */"Add new lock, differing types and processes, which starts in the middle of a lock, and ends after",
/* 18 */"Acquire write locks with overlapping ranges",
/* 19 */"Acquire write locks with non-overlapping ranges extending beyond EOF",
/* 20 */"Acquire write locks with overlapping ranges extending beyond EOF",
/* 21 */"Acquire write locks on whole files",
/* 22 */"Acquire write lock on whole file and range write lock",
/* 23 */"Acquire read locks with non-overlapping ranges",
/* 24 */"Acquire read locks with overlapping ranges",
/* 25 */"Acquire read and write locks with no overlapping ranges",
/* 26 */"Acquire read and write locks with overlapping ranges",
/* 27 */"Acquire whole file write lock and then close without unlocking (and attempt a lock)",
/* 28 */"Acquire two read locks, close and reopen the file, and test if the inital lock is still there",
/* 29 */"Verify that F_GETLK for F_WRLCK doesn't require that file be opened for write",
#if defined(macosx)
/* 30 */"Close the opened file and open the file with SHLOCK, other client will try to open with SHLOCK too",
/* 31 */"Close the opened file and open the file with SHLOCK, other client will try to open with EXLOCK",
/* 32 */"Close the opened file and open the file with EXLOCK, other client will try to open with EXLOCK too"
#endif
};
static int64_t tests[][6] =
/* test # Action offset length expected server/client */
{
/* Various simple tests exercising the list */
/* SECTION 1: WRITE and UNLOCK with the same process (SERVER) */
/* Add a lock to an empty list */
{1, WRLOCK, 1, 10, PASS, SERVER },
{1, UNLOCK, 1, 10, PASS, SERVER },
/* Add a lock to the start and end of a list - 1, 13 - no overlap */
{2, WRLOCK, 10, 10, PASS, SERVER },
{2, WRLOCK, 30, 10, PASS, SERVER },
{2, WRLOCK, 50, 10, PASS, SERVER },
{2, WRLOCK, 1, 5, PASS, SERVER },
{2, WRLOCK, 70, 5, PASS, SERVER },
{2, UNLOCK, 10, 10, PASS, SERVER },
{2, UNLOCK, 30, 10, PASS, SERVER },
{2, UNLOCK, 50, 10, PASS, SERVER },
{2, UNLOCK, 1, 5, PASS, SERVER },
{2, UNLOCK, 70, 5, PASS, SERVER },
/* Add a lock to the middle of a list - no overlap */
{3, WRLOCK, 10, 10, PASS, SERVER },
{3, WRLOCK, 30, 10, PASS, SERVER },
{3, WRLOCK, 50, 10, PASS, SERVER },
{3, WRLOCK, 42, 5, PASS, SERVER },
{3, UNLOCK, 10, 10, PASS, SERVER },
{3, UNLOCK, 30, 10, PASS, SERVER },
{3, UNLOCK, 50, 10, PASS, SERVER },
{3, UNLOCK, 42, 5, PASS, SERVER },
/* Add different lock types to middle of the list - overlap exact match - 3 */
{4, WRLOCK, 10, 10, PASS, SERVER },
{4, WRLOCK, 30, 10, PASS, SERVER },
{4, WRLOCK, 50, 10, PASS, SERVER },
/* Exact match - same lock type */
{4, WRLOCK, 30, 10, PASS, SERVER },
/* Exact match - different lock type */
{4, RDLOCK, 30, 10, PASS, SERVER },
/* Exact match - unlock */
{4, UNLOCK, 30, 10, PASS, SERVER },
/* New lock - as above, inserting in the list again */
{4, WRLOCK, 30, 10, PASS, SERVER },
{4, UNLOCK, 10, 10, PASS, SERVER },
{4, UNLOCK, 30, 10, PASS, SERVER },
{4, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock which completely overlaps any old lock in the list - 4,5,6 */
{5, WRLOCK, 10, 10, PASS, SERVER },
{5, WRLOCK, 30, 10, PASS, SERVER },
{5, WRLOCK, 50, 10, PASS, SERVER },
/* The start is the same, end overlaps */
{5, WRLOCK, 30, 15, PASS, SERVER },
/* The start is before, end is the same */
{5, WRLOCK, 25, 20, PASS, SERVER },
/* Both start and end overlap */
{5, WRLOCK, 22, 26, PASS, SERVER },
{5, UNLOCK, 10, 10, PASS, SERVER },
{5, UNLOCK, 22, 26, PASS, SERVER },
{5, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock which itself is completely overlaped by any old lock in the list - 7,8,10 */
{6, WRLOCK, 10, 10, PASS, SERVER },
{6, WRLOCK, 30, 10, PASS, SERVER },
{6, WRLOCK, 50, 10, PASS, SERVER },
/* The start is the same, end is in the middle of old lock - NOP */
{6, WRLOCK, 30, 5, PASS, SERVER },
/* The start and end are in the middle of old lock - NOP */
{6, WRLOCK, 32, 6, PASS, SERVER },
/* Start in the middle and end is the same - NOP */
{6, WRLOCK, 32, 8, PASS, SERVER },
{6, UNLOCK, 10, 10, PASS, SERVER },
{6, UNLOCK, 30, 10, PASS, SERVER },
{6, UNLOCK, 32, 8, PASS, SERVER },
{6, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock which starts before any old lock in the list - 2,9 */
{7, WRLOCK, 10, 10, PASS, SERVER },
{7, WRLOCK, 30, 10, PASS, SERVER },
{7, WRLOCK, 50, 10, PASS, SERVER },
/* Here is the new lock */
{7, WRLOCK, 27, 10, PASS, SERVER },
/* Go again with the end of the new lock matching the start of old lock */
{7, WRLOCK, 25, 2, PASS, SERVER },
{7, UNLOCK, 10, 10, PASS, SERVER },
{7, UNLOCK, 25, 15, PASS, SERVER },
{7, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock which starts in the middle of any old lock in the list and ends after - 11,12 */
{8, WRLOCK, 10, 10, PASS, SERVER },
{8, WRLOCK, 30, 10, PASS, SERVER },
{8, WRLOCK, 50, 10, PASS, SERVER },
/* Here is the new lock */
{8, WRLOCK, 35, 10, PASS, SERVER },
/* Go again with the end of the new lock matching the start of old lock */
{8, WRLOCK, 45, 2, PASS, SERVER },
{8, UNLOCK, 10, 10, PASS, SERVER },
{8, UNLOCK, 30, 17, PASS, SERVER },
{8, UNLOCK, 50, 10, PASS, SERVER },
/* SECTION 2: Overlapping READ and WRITE and UNLOCK with the same process (SERVER) */
/* Add different new lock types which completely overlaps any old lock in the list - 4,5,6 */
{9, WRLOCK, 10, 10, PASS, SERVER },
{9, WRLOCK, 30, 10, PASS, SERVER },
{9, WRLOCK, 50, 10, PASS, SERVER },
/* The start is the same, end overlaps */
{9, RDLOCK, 30, 15, PASS, SERVER },
/* The start is before, end is the same */
{9, WRLOCK, 25, 20, PASS, SERVER },
/* Both start and end overlap */
{9, RDLOCK, 22, 26, PASS, SERVER },
{9, UNLOCK, 10, 10, PASS, SERVER },
{9, UNLOCK, 22, 26, PASS, SERVER },
{9, UNLOCK, 50, 10, PASS, SERVER },
/* Add different new locks which are completely overlaped by an old lock in the list - 7,8,10 */
{10, WRLOCK, 10, 10, PASS, SERVER },
{10, WRLOCK, 30, 10, PASS, SERVER },
{10, WRLOCK, 50, 10, PASS, SERVER },
/* The start is the same, end is in the middle of old lock */
{10, RDLOCK, 30, 5, PASS, SERVER },
/* The start and end are in the middle of a lock */
{10, WRLOCK, 32, 2, PASS, SERVER },
/* Start in the middle and end is the same */
{10, RDLOCK, 36, 5, PASS, SERVER },
{10, UNLOCK, 10, 10, PASS, SERVER },
{10, UNLOCK, 30, 11, PASS, SERVER },
{10, UNLOCK, 50, 10, PASS, SERVER },
/* Add different new lock types which start before the old lock in the list - 2,9 */
{11, WRLOCK, 10, 10, PASS, SERVER },
{11, WRLOCK, 30, 10, PASS, SERVER },
{11, WRLOCK, 50, 10, PASS, SERVER },
/* Here is the new lock */
{11, RDLOCK, 27, 10, PASS, SERVER },
/* Go again with the end of the new lock matching the start of lock */
{11, WRLOCK, 25, 3, PASS, SERVER },
{11, UNLOCK, 10, 10, PASS, SERVER },
{11, UNLOCK, 25, 15, PASS, SERVER },
{11, UNLOCK, 50, 10, PASS, SERVER },
/* Add different new lock types which start in the middle of an old lock in the list and end after - 11,12 */
{12, WRLOCK, 10, 10, PASS, SERVER },
{12, WRLOCK, 30, 10, PASS, SERVER },
{12, WRLOCK, 50, 10, PASS, SERVER },
/* Here is the new lock */
{12, RDLOCK, 35, 10, PASS, SERVER },
/* Go again with the end of the new lock matching the start of old lock */
{12, WRLOCK, 44, 3, PASS, SERVER },
{12, UNLOCK, 10, 10, PASS, SERVER },
{12, UNLOCK, 30, 18, PASS, SERVER },
{12, UNLOCK, 50, 10, PASS, SERVER },
/* SECTION 3: Overlapping READ and WRITE and UNLOCK with the different processes (CLIENT/SERVER) */
/* Add new lock, differing types and processes, to middle of the list - exact overlap match - 3 */
{13, WRLOCK, 10, 10, PASS, SERVER },
{13, WRLOCK, 30, 10, PASS, SERVER },
{13, RDLOCK, 50, 10, PASS, SERVER },
/* Same lock type, different process */
{13, WRLOCK, 30, 10, FAIL, CLIENT },
{13, RDLOCK, 50, 10, PASS, CLIENT },
/* Exact match - different lock type, different process */
{13, RDLOCK, 30, 10, FAIL, CLIENT },
/* Exact match - unlock */
{13, UNLOCK, 30, 10, PASS, CLIENT },
/* New lock - as above, inserting in the list again */
{13, UNLOCK, 30, 10, PASS, SERVER },
/* Exact match - same lock type, different process */
{13, WRLOCK, 30, 10, PASS, CLIENT },
{13, UNLOCK, 10, 10, PASS, SERVER },
{13, UNLOCK, 30, 10, PASS, CLIENT },
{13, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock, differing types and processes, which completely overlap any of the locks in the list - 4,5,6 */
{14, WRLOCK, 10, 10, PASS, SERVER },
{14, WRLOCK, 30, 10, PASS, SERVER },
{14, RDLOCK, 50, 10, PASS, SERVER },
/* The start is the same, end overlaps */
{14, RDLOCK, 30, 15, FAIL, CLIENT },
{14, WRLOCK, 30, 15, FAIL, CLIENT },
/* The start is before, end is the same */
{14, RDLOCK, 25, 20, FAIL, CLIENT },
{14, WRLOCK, 25, 20, FAIL, CLIENT },
/* Both start and end overlap */
{14, RDLOCK, 22, 26, FAIL, CLIENT },
{14, WRLOCK, 22, 26, FAIL, CLIENT },
/* The start is the same, end overlaps */
{14, RDLOCK, 50, 15, PASS, CLIENT },
{14, WRLOCK, 50, 17, FAIL, CLIENT },
/* The start is before, end is the same */
{14, RDLOCK, 45, 20, PASS, CLIENT },
{14, WRLOCK, 43, 22, FAIL, CLIENT },
/* Both start and end overlap */
{14, RDLOCK, 42, 26, PASS, CLIENT },
{14, WRLOCK, 41, 28, FAIL, CLIENT },
{14, UNLOCK, 10, 10, PASS, SERVER },
{14, UNLOCK, 22, 26, PASS, SERVER },
{14, UNLOCK, 42, 26, PASS, CLIENT },
/* Add new lock, differing types and processes, which are completely overlaped by an old lock in the list - 7,8,10 */
{15, WRLOCK, 10, 10, PASS, SERVER },
{15, RDLOCK, 30, 10, PASS, SERVER },
{15, WRLOCK, 50, 10, PASS, SERVER },
/* The start is the same, end is in the middle of old lock */
{15, RDLOCK, 50, 5, FAIL, CLIENT },
{15, WRLOCK, 50, 5, FAIL, CLIENT },
/* The start and end are in the middle of old lock */
{15, RDLOCK, 52, 6, FAIL, CLIENT },
{15, WRLOCK, 52, 6, FAIL, CLIENT },
/* Start in the middle and end is the same */
{15, RDLOCK, 52, 8, FAIL, CLIENT },
{15, WRLOCK, 52, 8, FAIL, CLIENT },
/* The start is the same, end is in the middle of old lock */
{15, RDLOCK, 30, 5, PASS, CLIENT },
{15, WRLOCK, 30, 5, FAIL, CLIENT },
/* The start and end are in the middle of old lock */
{15, RDLOCK, 32, 6, PASS, CLIENT },
{15, WRLOCK, 32, 6, FAIL, CLIENT },
/* Start in the middle and end is the same */
{15, RDLOCK, 32, 8, PASS, CLIENT },
{15, WRLOCK, 32, 8, FAIL, CLIENT },
{15, UNLOCK, 10, 10, PASS, SERVER },
{15, UNLOCK, 30, 10, PASS, SERVER },
{15, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock, differing types and processes, which start before a lock in the list - 2,9 */
{16, RDLOCK, 10, 10, PASS, SERVER },
{16, WRLOCK, 50, 10, PASS, SERVER },
/* Start is before, end is the start of the old lock in list */
{16, RDLOCK, 5, 6, PASS, CLIENT },
{16, WRLOCK, 5, 6, FAIL, CLIENT },
/* Start is before, end is in the middle of the old lock */
{16, RDLOCK, 5, 10, PASS, CLIENT },
{16, WRLOCK, 5, 10, FAIL, CLIENT },
/* Start is before, end is the start of the old lock in list */
{16, RDLOCK, 45, 6, FAIL, CLIENT },
{16, WRLOCK, 45, 6, FAIL, CLIENT },
/* Start is before, end is in the middle of the old lock */
{16, RDLOCK, 45, 10, FAIL, CLIENT },
{16, WRLOCK, 45, 10, FAIL, CLIENT },
{16, UNLOCK, 5, 15, PASS, CLIENT },
{16, UNLOCK, 30, 10, PASS, SERVER },
{16, UNLOCK, 50, 10, PASS, SERVER },
/* Add new lock, differing types and processes, which starts in the middle of a lock, and ends after - 11,12 */
{17, WRLOCK, 10, 10, PASS, SERVER },
{17, RDLOCK, 30, 10, PASS, SERVER },
{17, WRLOCK, 50, 10, PASS, SERVER },
/* Start in the middle, end after lock in list */
{17, WRLOCK, 35, 10, FAIL, CLIENT },
/* Start matches end of lock in list */
{17, RDLOCK, 35, 10, PASS, CLIENT },
{17, RDLOCK, 44, 2, PASS, CLIENT },
/* Start in the middle, end after lock in list */
{17, RDLOCK, 55, 10, FAIL, CLIENT },
{17, WRLOCK, 55, 10, FAIL, CLIENT },
/* Start matches end of lock in list */
{17, RDLOCK, 59, 5, FAIL, CLIENT },
{17, WRLOCK, 59, 5, FAIL, CLIENT },
{17, UNLOCK, 10, 10, PASS, SERVER },
{17, UNLOCK, 30, 16, PASS, CLIENT },
{17, UNLOCK, 50, 10, PASS, SERVER },
/* SECTION 4: overlapping and EOF tests */
/* Acquire overlapping ranges */
{18, WRLOCK, 11, 7, PASS, SERVER },
{18, WRLOCK, 13, 8, FAIL, CLIENT },
{18, UNLOCK, 11, 7, PASS, SERVER },
/* Acquire different ranges beyond EOF */
{19, WRLOCK, 10, FILE_SIZE, PASS, SERVER },
{19, WRLOCK, FILE_SIZE + 10, 10, PASS, CLIENT },
{19, UNLOCK, 10, FILE_SIZE, PASS, SERVER },
{19, UNLOCK, FILE_SIZE + 10, 10, PASS, CLIENT },
/* Acquire same range beyong EOF */
{20, WRLOCK, 10, FILE_SIZE, PASS, SERVER, },
{20, WRLOCK, 10, FILE_SIZE, FAIL, CLIENT, },
{20, UNLOCK, 10, FILE_SIZE, PASS, SERVER, },
/* Acquire whole file lock */
{21, WRLOCK, 0, 0, PASS, SERVER, },
{21, WRLOCK, 0, 0, FAIL, CLIENT, },
{21, UNLOCK, 0, 0, PASS, SERVER, },
/* Acquire whole file lock, then range */
{22, WRLOCK, 0, 0, PASS, SERVER, },
{22, WRLOCK, 1, 5, FAIL, CLIENT, },
{22, UNLOCK, 0, 0, PASS, SERVER, },
/* Acquire non-overlapping read locks */
{23, RDLOCK, 1, 5, PASS, SERVER, },
{23, RDLOCK, 7, 6, PASS, CLIENT, },
{23, UNLOCK, 1, 5, PASS, SERVER, },
{23, UNLOCK, 7, 6, PASS, CLIENT, },
/* Acquire overlapping read locks */
{24, RDLOCK, 1, 5, PASS, SERVER, },
{24, RDLOCK, 2, 6, PASS, CLIENT, },
{24, UNLOCK, 1, 5, PASS, SERVER, },
{24, UNLOCK, 1, 7, PASS, CLIENT, },
/* Acquire non-overlapping read and write locks */
{25, RDLOCK, 1, 5, PASS, SERVER, },
{25, WRLOCK, 7, 6, PASS, CLIENT, },
{25, UNLOCK, 1, 5, PASS, SERVER, },
{25, UNLOCK, 7, 6, PASS, CLIENT, },
/* Acquire overlapping read and write locks */
{26, RDLOCK, 1, 5, PASS, SERVER, },
{26, WRLOCK, 2, 6, FAIL, CLIENT, },
{26, UNLOCK, 1, 5, PASS, SERVER, },
/* Acquire whole file lock, then close (without unlocking) */
{27, WRLOCK, 0, 0, PASS, SERVER, },
{27, WRLOCK, 1, 5, FAIL, CLIENT, },
{27, F_CLOSE,0, 0, PASS, SERVER, },
{27, WRLOCK, 1, 5, PASS, CLIENT, },
{27, F_OPEN, O_RDWR, 0, PASS, SERVER, },
{27, UNLOCK, 1, 5, PASS, CLIENT, },
/* Acquire two read locks, close one file and then reopen to check that first lock still exists */
{28, RDLOCK, 1, 5, PASS, SERVER, },
{28, RDLOCK, 1, 5, PASS, CLIENT, },
{28, F_CLOSE,0, 0, PASS, SERVER, },
{28, F_OPEN, O_RDWR, 0, PASS, SERVER, },
{28, WRLOCK, 0, 0, FAIL, SERVER, },
{28, UNLOCK, 1, 5, PASS, SERVER, },
/* Verify that F_GETLK for F_WRLCK doesn't require that file be opened for write */
{29, F_CLOSE, 0, 0, PASS, SERVER, },
{29, F_OPEN, O_RDONLY, 0, PASS, SERVER, },
{29, WRTEST, 0, 0, PASS, SERVER, },
{29, F_CLOSE,0, 0, PASS, SERVER, },
{29, F_OPEN, O_RDWR, 0, PASS, SERVER, },
#ifdef macosx
/* Close the opened file and open the file with SHLOCK, other client will try to open with SHLOCK too */
{30, F_CLOSE,0, 0, PASS, SERVER, },
{30, F_OPEN, O_RDWR|O_SHLOCK|O_NONBLOCK, 0, PASS, SERVER, },
{30, F_CLOSE,0, 0, PASS, CLIENT, },
{30, F_OPEN, O_RDWR|O_SHLOCK|O_NONBLOCK, 0, PASS, CLIENT, },
/* Close the opened file and open the file with SHLOCK, other client will try to open with EXLOCK */
{31, F_CLOSE,0, 0, PASS, SERVER, },
{31, F_CLOSE,0, 0, PASS, CLIENT, },
{31, F_OPEN, O_RDWR|O_SHLOCK|O_NONBLOCK, 0, PASS, SERVER, },
{31, F_OPEN, O_RDWR|O_EXLOCK|O_NONBLOCK, 0, FAIL, CLIENT, },
/* Close the opened file and open the file with EXLOCK, other client will try to open with EXLOCK too */
{32, F_CLOSE,0, 0, PASS, SERVER, },
{32, F_CLOSE,0, 0, FAIL, CLIENT, },
{32, F_OPEN, O_RDWR|O_EXLOCK|O_NONBLOCK, 0, PASS, SERVER, },
{32, F_OPEN, O_RDWR|O_EXLOCK|O_NONBLOCK, 0, FAIL, CLIENT, },
{32, F_CLOSE,0, 0, PASS, SERVER, },
{32, F_CLOSE,0, 0, FAIL, CLIENT, },
{32, F_OPEN, O_RDWR, 0, PASS, SERVER, },
{32, F_OPEN, O_RDWR, 0, PASS, CLIENT, },
#endif /* macosx */
/* indicate end of array */
{0,0,0,0,0,SERVER},
{0,0,0,0,0,CLIENT}
};
static struct {
int32_t test;
int32_t command;
int64_t offset;
int64_t length;
int32_t result;
int32_t index;
int32_t error;
int32_t padding; /* So mac and irix have the same size struct (bloody alignment) */
} ctl;
void
usage(void)
{
fprintf(stderr, "Usage: %s [options] sharedfile\n\
\n\
options:\n\
-p port TCP/IP port number for client-server communication\n\
-d enable debug tracing\n\
-n # test number to run\n\
-h host run as client and connect to server on remote host\n\
[default run as server]\n", prog);
exit(1);
}
#define INIT_BUFSZ 512
void
initialize(HANDLE fd)
{
char* ibuf;
int j=0;
int nwrite;
int offset = 0;
int togo = FILE_SIZE;
if (D_flag) {
ibuf = (char *)ALLOC_ALIGNED(INIT_BUFSZ);
}
else {
ibuf = (char*)malloc(INIT_BUFSZ);
}
memset(ibuf, ':', INIT_BUFSZ);
SEEK(fd, 0L);
while (togo) {
offset+=j;
j = togo > INIT_BUFSZ ? INIT_BUFSZ : togo;
if ((nwrite = WRITE(fd, ibuf, j)) != j) {
if (nwrite < 0)
perror("initialize write:");
else
fprintf(stderr, "initialize: write() returns %d, not %d as expected\n",
nwrite, j);
exit(1);
/*NOTREACHED*/
}
togo -= j;
}
}
int do_open(int flag)
{
if ((f_fd = OPEN(filename, flag)) == INVALID_HANDLE) {
perror("shared file create");
return FAIL;
/*NOTREACHED*/
}
#ifdef __sun
if (D_flag) {
directio(f_fd, DIRECTIO_ON);
}
#elif defined(__APPLE__)
if (D_flag) {
fcntl(f_fd, F_NOCACHE, 1);
}
#endif
return PASS;
}
static int do_lock(int cmd, int type, int start, int length)
{
int ret;
int filedes = f_fd;
struct flock fl;
if(debug > 1) {
fprintf(stderr, "do_lock: cmd=%d type=%d start=%d, length=%d\n", cmd, type, start, length);
}
if (f_fd < 0)
return f_fd;
fl.l_start = start;
fl.l_len = length;
fl.l_whence = SEEK_SET;
fl.l_pid = getpid();
fl.l_type = type;
errno = 0;
ret = fcntl(filedes, cmd, &fl);
saved_errno = errno;
if(debug > 1 && ret)
fprintf(stderr, "do_lock: ret = %d, errno = %d (%s)\n", ret, errno, strerror(errno));
return(ret==0?PASS:FAIL);
}
int do_close(void)
{
if(debug > 1) {
fprintf(stderr, "do_close\n");
}
errno =0;
CLOSE(f_fd);
f_fd = INVALID_HANDLE;
saved_errno = errno;
if (errno)
return FAIL;
return PASS;
}
void
send_ctl(void)
{
int nwrite;
if (debug > 1) {
fprintf(stderr, "send_ctl: test=%d, command=%d offset=%"LL"d, length=%"LL"d, result=%d, error=%d\n",
ctl.test, ctl.command, (long long)ctl.offset, (long long)ctl.length,ctl.result, ctl.error);
}
ctl.test= bswap_uint32(ctl.test);
ctl.command = bswap_uint32(ctl.command);
ctl.offset = bswap_uint64(ctl.offset);
ctl.length = bswap_uint64(ctl.length);
ctl.result = bswap_uint32(ctl.result);
ctl.index= bswap_uint32(ctl.index);
ctl.error = bswap_uint32(ctl.error);
nwrite = SOCKET_WRITE(c_fd, (char*)&ctl, sizeof(ctl));
ctl.test= bswap_uint32(ctl.test);
ctl.command = bswap_uint32(ctl.command);
ctl.offset = bswap_uint64(ctl.offset);
ctl.length = bswap_uint64(ctl.length);
ctl.result = bswap_uint32(ctl.result);
ctl.index= bswap_uint32(ctl.index);
ctl.error= bswap_uint32(ctl.error);
if (nwrite != sizeof(ctl)) {
if (nwrite < 0)
perror("send_ctl: write");
else
fprintf(stderr, "send_ctl[%d]: write() returns %d, not %zu as expected\n",
ctl.test, nwrite, sizeof(ctl));
exit(1);
/*NOTREACHED*/
}
}
void recv_ctl(void)
{
int nread;
if ((nread = SOCKET_READ(c_fd, (char*)&ctl, sizeof(ctl))) != sizeof(ctl)) {
if (nread < 0)
perror("recv_ctl: read");
else {
fprintf(stderr, "recv_ctl[%d]: read() returns %d, not %zu as expected\n",
ctl.test, nread, sizeof(ctl));
fprintf(stderr, "socket might has been closed by other locktest\n");
}
exit(1);
/*NOTREACHED*/
}
ctl.test= bswap_uint32(ctl.test);
ctl.command = bswap_uint32(ctl.command);
ctl.offset = bswap_uint64(ctl.offset);
ctl.length = bswap_uint64(ctl.length);
ctl.result = bswap_uint32(ctl.result);
ctl.index= bswap_uint32(ctl.index);
ctl.error= bswap_uint32(ctl.error);
if (debug > 1) {
fprintf(stderr, "recv_ctl: test=%d, command=%d offset=%"LL"d, length=%"LL"d, result=%d, error=%d\n",
ctl.test, ctl.command, (long long)ctl.offset, (long long)ctl.length, ctl.result, ctl.error);
}
}
void
cleanup(void)
{
if (f_fd>=0)
CLOSE(f_fd);
if (c_fd>=0)
SOCKET_CLOSE(c_fd);
if (s_fd>=0)
SOCKET_CLOSE(s_fd);
PLATFORM_CLEANUP();
}
int
main(int argc, char *argv[])
{
int i, sts;
int c;
struct sockaddr_in myAddr;
struct linger noLinger = {1, 0};
char *host = NULL;
char *endnum;
int errflag = 0;
char *p;
extern char *optarg;
extern int optind;
int fail_count = 0;;
atexit(cleanup);
PLATFORM_INIT();
/* trim command name of leading directory components */
prog = argv[0];
for (p = prog; *p; p++) {
if (*p == '/')
prog = p+1;
}
while ((c = getopt(argc, argv, "dn:h:p:?")) != EOF) {
switch (c) {
case 'd': /* debug flag */
debug++;
break;
case 'h': /* (server) hostname */
server = 0;
host = optarg;
break;
case 'n':
testnumber = atoi(optarg);
break;
case 'p': /* TCP/IP port */
port = (int)strtol(optarg, &endnum, 10);
if (*endnum != '\0') {
fprintf(stderr, "%s: -p argument must be a numeric\n",
prog);
exit(1);
/*NOTREACHED*/
}
break;
case '?':
default:
errflag++;
break;
}
}
if (errflag || optind != argc-1) {
usage();
/*NOTREACHED*/
}
filename=argv[optind];
if (do_open(O_RDWR) == FAIL)
exit(1);
/*
* +10 is slop for the iteration number if do_write() ... never
* needed unless maxio is very small
*/
if (D_flag) {
if ((buf = (char *)ALLOC_ALIGNED(maxio + 10)) == NULL) {
perror("aligned alloc buf");
exit(1);
/*NOTREACHED*/
}
} else {
if ((buf = (char *)malloc(maxio + 10)) == NULL) {
perror("malloc buf");
exit(1);
/*NOTREACHED*/
}
}
setbuf(stderr, NULL);
if (server) {
int one = 1;
s_fd = socket(AF_INET, SOCK_STREAM, 0);
if (s_fd == INVALID_SOCKET) {
perror("socket");
exit(1);
/*NOTREACHED*/
}
if (setsockopt(s_fd, IPPROTO_TCP, TCP_NODELAY, (char*)&one, sizeof(one)) < 0) {
perror("setsockopt(nodelay)");
exit(1);
/*NOTREACHED*/
}
if (setsockopt(s_fd, SOL_SOCKET, SO_REUSEADDR, (char*)&one, sizeof(one))<0) {
perror("setsockopt(reuseaddr)");
exit(1);
/*NOTREACHED*/
}
#ifdef SO_REUSEPORT
if (setsockopt(s_fd, SOL_SOCKET, SO_REUSEPORT, (char*)&one, sizeof(one))<0) {
perror("setsockopt(reuseport)");
exit(1);
/*NOTREACHED*/
}
#endif
memset(&myAddr, 0, sizeof(myAddr));
myAddr.sin_family = AF_INET;
myAddr.sin_addr.s_addr = htonl(INADDR_ANY);
myAddr.sin_port = htons((short)port);
sts = bind(s_fd, (struct sockaddr*)&myAddr, sizeof(myAddr));
if (sts < 0) {
perror("bind");
exit(1);
/*NOTREACHED*/
}
sts = listen(s_fd, 5); /* Max. of 5 pending connection requests */
if (sts == -1) {
perror("listen");
exit(1);
/*NOTREACHED*/
}
if (port == 0) {
socklen_t addr_len = sizeof(myAddr);
if (getsockname(s_fd, &myAddr, &addr_len)) {
perror("getsockname");
exit(1);
}
port = ntohs(myAddr.sin_port);
}
printf("server port: %d\n", port);
fflush(stdout);
c_fd = accept(s_fd, NULL, NULL);
if (c_fd == INVALID_SOCKET) {
perror("accept");
exit(1);
/*NOTREACHED*/
}
if (debug) fprintf(stderr, "Client accepted\n");
SRAND(12345L);
}
else {
struct hostent *servInfo;
if ((servInfo = gethostbyname(host)) == NULL) {
printf("Couldn't get hostbyname for %s", host);
if (h_errno == HOST_NOT_FOUND)
printf(": host not found");
printf("\n");
exit(1);
/*NOTREACHED*/
}
c_fd = socket(AF_INET, SOCK_STREAM, 0);
if (c_fd == INVALID_SOCKET) {
perror("socket");
exit(1);
/*NOTREACHED*/
}
/* avoid 200 ms delay */
if (setsockopt(c_fd, IPPROTO_TCP, TCP_NODELAY, (char *)&i, sizeof(i)) < 0) {
perror("setsockopt(nodelay)");
exit(1);
/*NOTREACHED*/
}
/* Don't linger on close */
if (setsockopt(c_fd, SOL_SOCKET, SO_LINGER, (char *)&noLinger, sizeof(noLinger)) < 0) {
perror("setsockopt(nolinger)");
exit(1);
/*NOTREACHED*/
}
memset(&myAddr, 0, sizeof(myAddr)); /* Arrgh! &myAddr, not myAddr */
myAddr.sin_family = AF_INET;
memcpy(&myAddr.sin_addr, servInfo->h_addr, servInfo->h_length);
myAddr.sin_port = htons((short)port);
if (connect(c_fd, (struct sockaddr*)&myAddr, sizeof(myAddr)) < 0) {
perror("unable to connect");
fprintf(stderr, "Server might still initializing the shared file\n ");
exit(1);
/*NOTREACHED*/
}
if (debug) fprintf(stderr, "Connected to server\n");
SRAND(6789L);
}
if (server)
/* only server need do shared file */
initialize(f_fd);
/*
* TCP/IP connection to be established, safe to proceed.
*
* real work is in here ...
*/
i = 0;
{
int index = 0;
int end = 0;
int result = 0;
int last_test = 0;
int test_count = 0;
int fail_flag = 0;
while(!end) {
if (server) {
if(testnumber > 0) {
last_test = testnumber - 1;
while(tests[index][TEST_NUM] != testnumber && tests[index][TEST_NUM] != 0) {
index++;
}
}
/* If we have a server command, deal with it */
if(tests[index][WHO] == SERVER) {
if(debug>1)
fprintf(stderr, "Got a server command (%d)\n", index);
if(tests[index][TEST_NUM] == 0) {
index++;
continue;
}
memset(&ctl, 0, sizeof(ctl));
ctl.test = tests[index][TEST_NUM];
if(tests[index][TEST_NUM] != 0) {
switch(tests[index][COMMAND]) {
case WRLOCK:
result = do_lock(F_SETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case RDLOCK:
result = do_lock(F_SETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case UNLOCK:
result = do_lock(F_SETLK, F_UNLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case F_CLOSE:
result = do_close();
break;
case F_OPEN:
result = do_open(tests[index][FLAGS]);
break;
case WRTEST:
result = do_lock(F_GETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case RDTEST:
result = do_lock(F_GETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
}
if( result != tests[index][RESULT]) {
fail_flag++;
/* We have a failure */
if(debug)
fprintf(stderr, "Server failure in test %d, while %sing using offset %lld, length %lld - err = %d:%s\n",
ctl.test, tests[index][COMMAND]==WRLOCK?"write lock":
tests[index][COMMAND]==RDLOCK?"read lock":
tests[index][COMMAND]==UNLOCK?"unlock":
tests[index][COMMAND]==F_OPEN?"open":"clos",
(long long)tests[index][OFFSET],
(long long)tests[index][LENGTH],
saved_errno, strerror(saved_errno));
fprintf(stderr, "Server failure in %lld:%s\n",
(long long)tests[index][TEST_NUM],
descriptions[tests[index][TEST_NUM] - 1]);
}
}
/* else send it off to the client */
} else if (tests[index][WHO] == CLIENT) {
if(tests[index][TEST_NUM] == 0) {
ctl.test = 0;
end=1;
}
if(debug > 1)
fprintf(stderr, "Sending command to client (%d) - %s - %lld:%lld\n",
index, tests[index][COMMAND]==WRLOCK?"write lock":
tests[index][COMMAND]==RDLOCK?"read lock":
tests[index][COMMAND]==UNLOCK?"unlock":
tests[index][COMMAND]==F_OPEN?"open":"clos",
(long long)tests[index][OFFSET],
(long long)tests[index][LENGTH]);
/* get the client to do something */
ctl.index = index;
send_ctl();
if(ctl.test != 0) {
/* Get the clients response */
recv_ctl();
/* this is the whether the test passed or failed,
* not what the command returned */
if( ctl.result == FAIL ) {
fail_flag++;
if(debug)
fprintf(stderr, "Client failure in test %d, while %sing using offset %lld, length %lld - err = %d:%s\n",
ctl.test, ctl.command==WRLOCK?"write lock":
ctl.command==RDLOCK?"read lock":
ctl.command==UNLOCK?"unlock":
ctl.command==F_OPEN?"open":"clos",
(long long)ctl.offset, (long long)ctl.length,
ctl.error, strerror(ctl.error));
fprintf(stderr, "Client failure in %lld:%s\n",
(long long)tests[index][TEST_NUM],
descriptions[tests[index][TEST_NUM] - 1]);
}
}
}
if (debug > 1) {
fprintf(stderr, "server sleeping ...\n");
SLEEP(1);
}
if(tests[index][TEST_NUM] != 0) {
if(last_test != tests[index][TEST_NUM]) {
test_count++;
if(fail_flag)
fail_count++;
fail_flag = 0;
}
last_test = tests[index][TEST_NUM];
}
index++;
} else { /* CLIENT */
if(debug > 2)
fprintf(stderr,"client: waiting...\n");
/* wait for the server to do something */
recv_ctl();
/* check for a client command */
index = ctl.index;
if (tests[index][WHO] != CLIENT) {
fprintf(stderr, "not a client command index (%d)\n", index);
exit(1);
}
if(ctl.test == 0) {
end = 1;
break;
}
ctl.command = tests[index][COMMAND];
ctl.offset = tests[index][OFFSET];
ctl.length = tests[index][LENGTH];
switch(tests[index][COMMAND]) {
case WRLOCK:
result = do_lock(F_SETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case RDLOCK:
result = do_lock(F_SETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case UNLOCK:
result = do_lock(F_SETLK, F_UNLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case F_CLOSE:
result = do_close();
break;
case F_OPEN:
result = do_open(tests[index][FLAGS]);
break;
case WRTEST:
result = do_lock(F_GETLK, F_WRLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
case RDTEST:
result = do_lock(F_GETLK, F_RDLCK, tests[index][OFFSET], tests[index][LENGTH]);
break;
}
if( result != tests[index][RESULT] ) {
if(debug)
fprintf(stderr,"Got %d, wanted %lld\n", result,
(long long)tests[index][RESULT]);
ctl.result = FAIL;
ctl.error = saved_errno;
fail_count++;
} else {
ctl.result = PASS;
}
if(debug > 2)
fprintf(stderr,"client: sending result to server (%d)\n", ctl.index);
/* Send result to the server */
send_ctl();
if(tests[index][TEST_NUM] != 0) {
if(last_test != tests[index][TEST_NUM])
test_count++;
last_test = tests[index][TEST_NUM];
}
}
}
if(server)
printf("%d tests run, %d failed\n", test_count, fail_count);
}
if (buf) {
if (D_flag)
FREE_ALIGNED(buf);
else
free(buf);
}
exit(fail_count);
/*NOTREACHED*/
}