mbed-os/TESTS/netsocket/tls/tlssocket_open_limit.cpp

103 lines
2.8 KiB
C++

/*
* Copyright (c) 2019, ARM Limited, All Rights Reserved
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "greentea-client/test_env.h"
#include "mbed.h"
#include "TLSSocket.h"
#include "unity/unity.h"
#include "utest.h"
#include "tls_tests.h"
using namespace utest::v1;
#if defined(MBEDTLS_SSL_CLI_C)
namespace {
typedef struct TLSSocketItem {
TLSSocket *sock;
TLSSocketItem *next;
} SocketItem;
}
void TLSSOCKET_OPEN_LIMIT()
{
SKIP_IF_TCP_UNSUPPORTED();
int open_sockets[2] = {0};
for (int i = 0; i < 2; i++) {
TLSSocketItem *socket_list_head = NULL;
TLSSocketItem *it;
TLSSocket *sock;
int ret;
while (true) {
sock = new TLSSocket;
if (!sock) {
break;
}
ret = sock->open(NetworkInterface::get_default_instance());
if (ret == NSAPI_ERROR_NO_MEMORY || ret == NSAPI_ERROR_NO_SOCKET) {
printf("[round#%02d] unable to open new socket, error: %d\n", i, ret);
delete sock;
break;
}
// Hopefully this doesn't interfere when trying to allocate more sockets
it = new TLSSocketItem;
if (!it) {
delete sock;
break;
}
it->sock = sock;
// Order of items in the list doesn't matter
it->next = socket_list_head;
socket_list_head = it;
}
if (!socket_list_head) {
break;
}
#if MBED_CONF_NSAPI_SOCKET_STATS_ENABLED
int count = fetch_stats();
int open_count = 0;
for (int j = 0; j < count; j++) {
if ((tls_stats[j].state == SOCK_OPEN) && (tls_stats[j].proto == NSAPI_TCP)) {
open_count++;
}
}
TEST_ASSERT(open_count >= 4);
#endif
TLSSocketItem *tmp;
for (TLSSocketItem *it = socket_list_head; it;) {
++open_sockets[i];
tmp = it;
it = it->next;
socket_list_head = it;
delete tmp->sock;
delete tmp;
}
printf("[round#%02d] %d sockets opened\n", i, open_sockets[i]);
}
TEST_ASSERT_EQUAL(open_sockets[0], open_sockets[1]);
TEST_ASSERT(open_sockets[0] >= 4);
}
#endif // defined(MBEDTLS_SSL_CLI_C)