nuttx-apps/examples/usrsocktest/usrsocktest_basic_connect.c

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/****************************************************************************
* apps/examples/usrsocktest/usrsocktest_basic_connect.c
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership. The
* ASF licenses this file to you 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.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/socket.h>
#include <errno.h>
#include <sys/types.h>
#include <stdbool.h>
#include <assert.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include "defines.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static bool started;
static int sd;
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: setup
*
* Description:
* Run before every testcase
*
* Input Parameters:
* dconf - test daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void setup(FAR struct usrsocktest_daemon_conf_s *dconf)
{
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
started = true;
sd = socket(AF_INET, SOCK_STREAM, 0);
TEST_ASSERT_TRUE(sd >= 0);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
}
/****************************************************************************
* Name: Teardown
*
* Description:
* Run after every testcase
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void teardown(void)
{
int ret;
if (sd >= 0)
{
ret = close(sd);
assert(ret >= 0);
}
if (started)
{
ret = usrsocktest_daemon_stop();
assert(ret == OK);
}
}
/****************************************************************************
* Name: not_connected
*
* Description:
* Opened socket is not connected
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void not_connected(void)
{
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
}
/****************************************************************************
* Name: basic_connect_connect
*
* Description:
* Open and connect the socket
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void basic_connect_connect(void)
{
int ret;
struct sockaddr_in addr;
inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(255);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(0, ret);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
/* Attempt reconnect to same address */
inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(255);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EISCONN, errno);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
/* Attempt reconnect to different address */
inet_pton(AF_INET, "1.1.1.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(1);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EISCONN, errno);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
/* Close socket */
TEST_ASSERT_TRUE(close(sd) >= 0);
sd = -1;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
/* Stopping daemon should succeed. */
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_stop());
started = false;
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
}
/****************************************************************************
* Name: wrong_af
*
* Description:
* Open and connect the socket with wrong AF
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void wrong_af(void)
{
int ret;
struct sockaddr_in addr;
/* Try connect socket with wrong AF */
inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_UNIX;
addr.sin_port = htons(255);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EAFNOSUPPORT, errno);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
/* Close socket */
TEST_ASSERT_TRUE(close(sd) >= 0);
sd = -1;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
/* Stopping daemon should succeed. */
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_stop());
started = false;
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
}
/****************************************************************************
* Name: wrong_port
*
* Description:
* Open and connect the socket with wrong port
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void wrong_port(void)
{
int ret;
struct sockaddr_in addr;
/* Try connect socket to wrong port */
inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(127);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(ECONNREFUSED, errno);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
/* Close socket */
TEST_ASSERT_TRUE(close(sd) >= 0);
sd = -1;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
/* Stopping daemon should succeed. */
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_stop());
started = false;
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
}
/****************************************************************************
* Name: wrong_endpoint
*
* Description:
* Open and connect the socket with wrong endpoint
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void wrong_endpoint(void)
{
int ret;
struct sockaddr_in addr;
/* Try connect socket to unreachable endpoint */
inet_pton(AF_INET, "1.1.1.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(1);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(ENETUNREACH, errno);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
/* Connect */
inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(255);
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(0, ret);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
/* Close socket */
TEST_ASSERT_TRUE(close(sd) >= 0);
sd = -1;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
/* Stopping daemon should succeed. */
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_stop());
started = false;
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
}
TEST_SETUP(basic_connect)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
setup(&usrsocktest_daemon_config);
}
TEST_TEAR_DOWN(basic_connect)
{
teardown();
}
TEST(basic_connect, not_connected)
{
not_connected();
}
TEST(basic_connect, basic_connect_connect)
{
basic_connect_connect();
}
TEST(basic_connect, wrong_af)
{
wrong_af();
}
TEST(basic_connect, wrong_port)
{
wrong_port();
}
TEST(basic_connect, wrong_endpoint)
{
wrong_endpoint();
}
TEST_SETUP(basic_connect_delay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
setup(&usrsocktest_daemon_config);
}
TEST_TEAR_DOWN(basic_connect_delay)
{
teardown();
}
TEST(basic_connect_delay, not_connected)
{
not_connected();
}
TEST(basic_connect_delay, basic_connect_connect)
{
basic_connect_connect();
}
TEST(basic_connect_delay, wrong_af)
{
wrong_af();
}
TEST(basic_connect_delay, wrong_port)
{
wrong_port();
}
TEST(basic_connect_delay, wrong_endpoint)
{
wrong_endpoint();
}
/****************************************************************************
* Public Functions
****************************************************************************/
TEST_GROUP(basic_connect)
{
RUN_TEST_CASE(basic_connect, not_connected);
RUN_TEST_CASE(basic_connect, basic_connect_connect);
RUN_TEST_CASE(basic_connect, wrong_af);
RUN_TEST_CASE(basic_connect, wrong_port);
RUN_TEST_CASE(basic_connect, wrong_endpoint);
}
TEST_GROUP(basic_connect_delay)
{
RUN_TEST_CASE(basic_connect_delay, not_connected);
RUN_TEST_CASE(basic_connect_delay, basic_connect_connect);
RUN_TEST_CASE(basic_connect_delay, wrong_af);
RUN_TEST_CASE(basic_connect_delay, wrong_port);
RUN_TEST_CASE(basic_connect_delay, wrong_endpoint);
}