You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
112 lines
2.2 KiB
112 lines
2.2 KiB
7 months ago
|
// SPDX-License-Identifier: GPL-2.0-or-later
|
||
|
|
/*
|
||
|
|
* Copyright (c) International Business Machines Corp., 2006
|
||
|
|
* Author Yi Yang <yyangcdl@cn.ibm.com>
|
||
|
|
*/
|
||
|
|
/*
|
||
|
|
* DESCRIPTION
|
||
|
|
* This test case will verify basic function of splice
|
||
|
|
* added by kernel 2.6.17 or up.
|
||
|
|
*
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define _GNU_SOURCE
|
||
|
|
|
||
|
|
#include <errno.h>
|
||
|
|
#include <string.h>
|
||
|
|
#include <signal.h>
|
||
|
|
#include <sys/types.h>
|
||
|
|
#include <fcntl.h>
|
||
|
|
|
||
|
|
#include "tst_test.h"
|
||
|
|
#include "lapi/splice.h"
|
||
|
|
|
||
|
|
#define TEST_BLOCK_SIZE 1024
|
||
|
|
|
||
|
|
#define TESTFILE1 "splice_testfile_1"
|
||
|
|
#define TESTFILE2 "splice_testfile_2"
|
||
|
|
|
||
|
|
static char buffer[TEST_BLOCK_SIZE];
|
||
|
|
static int fd_in, fd_out;
|
||
|
|
|
||
|
|
static void check_file(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
char splicebuffer[TEST_BLOCK_SIZE];
|
||
|
|
|
||
|
|
fd_out = SAFE_OPEN(TESTFILE2, O_RDONLY);
|
||
|
|
SAFE_READ(1, fd_out, splicebuffer, TEST_BLOCK_SIZE);
|
||
|
|
|
||
|
|
for (i = 0; i < TEST_BLOCK_SIZE; i++) {
|
||
|
|
if (buffer[i] != splicebuffer[i])
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (i < TEST_BLOCK_SIZE)
|
||
|
|
tst_res(TFAIL, "Wrong data read from the buffer at %i", i);
|
||
|
|
else
|
||
|
|
tst_res(TPASS, "Written data has been read back correctly");
|
||
|
|
|
||
|
|
SAFE_CLOSE(fd_out);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void splice_test(void)
|
||
|
|
{
|
||
|
|
int pipes[2];
|
||
|
|
int ret;
|
||
|
|
|
||
|
|
fd_in = SAFE_OPEN(TESTFILE1, O_RDONLY);
|
||
|
|
fd_out = SAFE_OPEN(TESTFILE2, O_WRONLY | O_CREAT | O_TRUNC, 0666);
|
||
|
|
SAFE_PIPE(pipes);
|
||
|
|
|
||
|
|
ret = splice(fd_in, NULL, pipes[1], NULL, TEST_BLOCK_SIZE, 0);
|
||
|
|
if (ret < 0)
|
||
|
|
tst_brk(TBROK | TERRNO, "splice(fd_in, pipe) failed");
|
||
|
|
|
||
|
|
ret = splice(pipes[0], NULL, fd_out, NULL, TEST_BLOCK_SIZE, 0);
|
||
|
|
if (ret < 0)
|
||
|
|
tst_brk(TBROK | TERRNO, "splice(pipe, fd_out) failed");
|
||
|
|
|
||
|
|
SAFE_CLOSE(fd_in);
|
||
|
|
SAFE_CLOSE(fd_out);
|
||
|
|
SAFE_CLOSE(pipes[0]);
|
||
|
|
SAFE_CLOSE(pipes[1]);
|
||
|
|
|
||
|
|
check_file();
|
||
|
|
}
|
||
|
|
|
||
|
|
static void setup(void)
|
||
|
|
{
|
||
|
|
int i;
|
||
|
|
|
||
|
|
if (tst_fs_type(".") == TST_NFS_MAGIC) {
|
||
|
|
if (tst_kvercmp(2, 6, 32) < 0)
|
||
|
|
tst_brk(TCONF, "Cannot do splice on a file"
|
||
|
|
" on NFS filesystem before 2.6.32");
|
||
|
|
}
|
||
|
|
|
||
|
|
for (i = 0; i < TEST_BLOCK_SIZE; i++)
|
||
|
|
buffer[i] = i & 0xff;
|
||
|
|
|
||
|
|
fd_in = SAFE_OPEN(TESTFILE1, O_WRONLY | O_CREAT | O_TRUNC, 0777);
|
||
|
|
SAFE_WRITE(1, fd_in, buffer, TEST_BLOCK_SIZE);
|
||
|
|
SAFE_CLOSE(fd_in);
|
||
|
|
}
|
||
|
|
|
||
|
|
static void cleanup(void)
|
||
|
|
{
|
||
|
|
if (fd_in > 0)
|
||
|
|
SAFE_CLOSE(fd_in);
|
||
|
|
|
||
|
|
if (fd_out > 0)
|
||
|
|
SAFE_CLOSE(fd_out);
|
||
|
|
}
|
||
|
|
|
||
|
|
static struct tst_test test = {
|
||
|
|
.setup = setup,
|
||
|
|
.cleanup = cleanup,
|
||
|
|
.test_all = splice_test,
|
||
|
|
.needs_tmpdir = 1,
|
||
|
|
.min_kver = "2.6.17",
|
||
|
|
};
|