76 lines
2.1 KiB
C
76 lines
2.1 KiB
C
|
// SPDX-License-Identifier: GPL-2.0
|
||
|
|
/* Copyright (c) 2020 Facebook */
|
||
|
|
|
||
|
|
#include <test_progs.h>
|
||
|
|
#include <time.h>
|
||
|
|
#include "test_varlen.skel.h"
|
||
|
|
|
||
|
|
#define CHECK_VAL(got, exp) \
|
||
|
|
CHECK((got) != (exp), "check", "got %ld != exp %ld\n", \
|
||
|
|
(long)(got), (long)(exp))
|
||
|
|
|
||
|
|
void test_varlen(void)
|
||
|
|
{
|
||
|
|
int duration = 0, err;
|
||
|
|
struct test_varlen* skel;
|
||
|
|
struct test_varlen__bss *bss;
|
||
|
|
struct test_varlen__data *data;
|
||
|
|
const char str1[] = "Hello, ";
|
||
|
|
const char str2[] = "World!";
|
||
|
|
const char exp_str[] = "Hello, \0World!\0";
|
||
|
|
const int size1 = sizeof(str1);
|
||
|
|
const int size2 = sizeof(str2);
|
||
|
|
|
||
|
|
skel = test_varlen__open_and_load();
|
||
|
|
if (CHECK(!skel, "skel_open", "failed to open skeleton\n"))
|
||
|
|
return;
|
||
|
|
bss = skel->bss;
|
||
|
|
data = skel->data;
|
||
|
|
|
||
|
|
err = test_varlen__attach(skel);
|
||
|
|
if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err))
|
||
|
|
goto cleanup;
|
||
|
|
|
||
|
|
bss->test_pid = getpid();
|
||
|
|
|
||
|
|
/* trigger everything */
|
||
|
|
memcpy(bss->buf_in1, str1, size1);
|
||
|
|
memcpy(bss->buf_in2, str2, size2);
|
||
|
|
bss->capture = true;
|
||
|
|
usleep(1);
|
||
|
|
bss->capture = false;
|
||
|
|
|
||
|
|
CHECK_VAL(bss->payload1_len1, size1);
|
||
|
|
CHECK_VAL(bss->payload1_len2, size2);
|
||
|
|
CHECK_VAL(bss->total1, size1 + size2);
|
||
|
|
CHECK(memcmp(bss->payload1, exp_str, size1 + size2), "content_check",
|
||
|
|
"doesn't match!\n");
|
||
|
|
|
||
|
|
CHECK_VAL(data->payload2_len1, size1);
|
||
|
|
CHECK_VAL(data->payload2_len2, size2);
|
||
|
|
CHECK_VAL(data->total2, size1 + size2);
|
||
|
|
CHECK(memcmp(data->payload2, exp_str, size1 + size2), "content_check",
|
||
|
|
"doesn't match!\n");
|
||
|
|
|
||
|
|
CHECK_VAL(data->payload3_len1, size1);
|
||
|
|
CHECK_VAL(data->payload3_len2, size2);
|
||
|
|
CHECK_VAL(data->total3, size1 + size2);
|
||
|
|
CHECK(memcmp(data->payload3, exp_str, size1 + size2), "content_check",
|
||
|
|
"doesn't match!\n");
|
||
|
|
|
||
|
|
CHECK_VAL(data->payload4_len1, size1);
|
||
|
|
CHECK_VAL(data->payload4_len2, size2);
|
||
|
|
CHECK_VAL(data->total4, size1 + size2);
|
||
|
|
CHECK(memcmp(data->payload4, exp_str, size1 + size2), "content_check",
|
||
|
|
"doesn't match!\n");
|
||
|
|
|
||
|
|
CHECK_VAL(bss->ret_bad_read, -EFAULT);
|
||
|
|
CHECK_VAL(data->payload_bad[0], 0x42);
|
||
|
|
CHECK_VAL(data->payload_bad[1], 0x42);
|
||
|
|
CHECK_VAL(data->payload_bad[2], 0);
|
||
|
|
CHECK_VAL(data->payload_bad[3], 0x42);
|
||
|
|
CHECK_VAL(data->payload_bad[4], 0x42);
|
||
|
|
cleanup:
|
||
|
|
test_varlen__destroy(skel);
|
||
|
|
}
|