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// 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);
}
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