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nuttx-apps/examples/usrsocktest/usrsocktest_remote_disconnect.c

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Add examples/usrsocktest application for USRSOCK testing
2017-04-03 17:25:49 +02:00
/****************************************************************************
* usrsocktest/usrsocktest_remote_disconnect.c
* Remote end disconnects
*
* Copyright (C) 2015, 2017 Haltian Ltd. All rights reserved.
* Authors: Roman Saveljev <roman.saveljev@haltian.com>
* Jussi Kivilinna <jussi.kivilinna@haltian.com>
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name NuttX nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/****************************************************************************
* Included Files
****************************************************************************/
#include <sys/socket.h>
#include <errno.h>
#include <sys/types.h>
#include <stdbool.h>
#include <assert.h>
#include <fcntl.h>
#include <poll.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <string.h>
#include "defines.h"
/****************************************************************************
* Pre-processor Definitions
****************************************************************************/
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static const uint8_t tevents[] = { POLLIN, POLLOUT, POLLOUT|POLLIN, 0};
static bool started;
static int sd;
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Name: ConnectReceive
*
* Description:
* Remote end is unreachable
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Unreachable(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
struct sockaddr_in addr;
int flags;
struct pollfd pfd;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_block_connect = true;
dconf->endpoint_block_send = true;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 7;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
started = true;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
/* Try connect, connection not accepted. */
inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
addr.sin_family = AF_INET;
addr.sin_port = htons(255);
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('F', 100));
ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(ECONNREFUSED, errno);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_unreachable_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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
/* Make socket non-blocking */
flags = fcntl(sd, F_GETFL, 0);
TEST_ASSERT_TRUE(flags >= 0);
TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
TEST_ASSERT_EQUAL(0, flags & O_NONBLOCK);
ret = fcntl(sd, F_SETFL, flags | O_NONBLOCK);
TEST_ASSERT_EQUAL(0, ret);
flags = fcntl(sd, F_GETFL, 0);
TEST_ASSERT_TRUE(flags >= 0);
TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
TEST_ASSERT_EQUAL(O_NONBLOCK, flags & O_NONBLOCK);
/* Try connect, connection in progress. */
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(EINPROGRESS, errno);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
/* Disconnect pending connections. */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('F', 100));
/* Poll for input (no timeout). */
memset(&pfd, 0, sizeof(pfd));
pfd.fd = sd;
pfd.events = POLLIN;
ret = poll(&pfd, 1, -1);
TEST_ASSERT_EQUAL(1, ret);
TEST_ASSERT_EQUAL(POLLERR, pfd.revents & POLLERR);
TEST_ASSERT_EQUAL(POLLHUP, pfd.revents & POLLHUP);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLIN);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLOUT);
/* 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: Send
*
* Description:
* Send and disconnect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Send(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
int count;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_block_connect = false;
dconf->endpoint_block_send = false;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 7;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
started = true;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
/* Try connect, connection in progress. */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
/* Disconnect connections. */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('D', 0));
for (count = 0; usrsocktest_daemon_get_num_connected_sockets() > 0; count++)
{
TEST_ASSERT_TRUE(count <= 3);
usleep(5 * 1000);
}
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
for (count = 0; count < 2; count++)
{
/* Send data to remote */
data = "abcde";
datalen = strlen("abcde");
ret = write(sd, data, datalen);
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EPIPE, errno);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_send_bytes());
}
/* 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: Send2
*
* Description:
* Send and disconnect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Send2(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
int count;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_block_connect = false;
dconf->endpoint_block_send = true;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 7;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
/* Try 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_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
/* Disconnect connections with delay. */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('D', 100));
for (count = 0; count < 2; count++)
{
/* Send data to remote */
data = "abcde";
datalen = strlen("abcde");
ret = write(sd, data, datalen);
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EPIPE, errno);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_send_bytes());
}
/* 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: Receive
*
* Description:
* Receive and disconnect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Receive(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
char databuf[5];
int count;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_block_connect = false;
dconf->endpoint_block_send = false;
dconf->endpoint_recv_avail_from_start = true;
dconf->endpoint_recv_avail = 1;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
/* Try 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_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Disconnect connections. */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('D', 0));
for (count = 0; usrsocktest_daemon_get_num_connected_sockets() > 0; count++)
{
TEST_ASSERT_TRUE(count <= 3);
usleep(5 * 1000);
}
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets());
for (count = 0; count < 2; count++)
{
/* Read from closed remote (EOF) */
data = databuf;
datalen = sizeof(databuf);
ret = read(sd, data, datalen);
TEST_ASSERT_EQUAL(0, ret);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_recv_bytes());
}
/* 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: Receive2
*
* Description:
* Receive and disconnect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Receive2(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
char databuf[5];
int count;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_block_connect = false;
dconf->endpoint_block_send = true;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 7;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
started = true;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
/* Try 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_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_unreachable_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
/* Disconnect connections with delay. */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('D', 100));
for (count = 0; count < 2; count++)
{
/* Read from closed remote (EOF) */
data = databuf;
datalen = sizeof(databuf);
ret = read(sd, data, datalen);
TEST_ASSERT_EQUAL(0, ret);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_recv_bytes());
}
/* 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: Poll
*
* Description:
* Poll and disconnect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Poll(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
struct sockaddr_in addr;
int flags;
struct pollfd pfd;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 3;
dconf->endpoint_block_send = false;
dconf->endpoint_block_connect = true;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
started = true;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
/* Make socket non-blocking */
flags = fcntl(sd, F_GETFL, 0);
TEST_ASSERT_TRUE(flags >= 0);
TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
TEST_ASSERT_EQUAL(0, flags & O_NONBLOCK);
ret = fcntl(sd, F_SETFL, flags | O_NONBLOCK);
TEST_ASSERT_EQUAL(0, ret);
flags = fcntl(sd, F_GETFL, 0);
TEST_ASSERT_TRUE(flags >= 0);
TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
TEST_ASSERT_EQUAL(O_NONBLOCK, flags & O_NONBLOCK);
/* Poll for input (instant timeout). */
memset(&pfd, 0, sizeof(pfd));
pfd.fd = sd;
pfd.events = POLLIN;
ret = poll(&pfd, 1, 0);
TEST_ASSERT_EQUAL(1, ret);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLERR);
TEST_ASSERT_EQUAL(POLLHUP, pfd.revents & POLLHUP);
TEST_ASSERT_EQUAL(POLLIN, pfd.revents & POLLIN);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLOUT);
/* Start non-blocking 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(-1, ret);
TEST_ASSERT_EQUAL(EINPROGRESS, errno);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_waiting_connect_sockets());
/* Poll for input/output (no timeout). Fail connection. */
memset(&pfd, 0, sizeof(pfd));
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('F', 100));
pfd.fd = sd;
pfd.events = POLLOUT | POLLIN;
ret = poll(&pfd, 1, -1);
TEST_ASSERT_EQUAL(1, ret);
TEST_ASSERT_EQUAL(POLLERR, pfd.revents & POLLERR);
TEST_ASSERT_EQUAL(POLLHUP, pfd.revents & POLLHUP);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLIN);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLOUT);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_unreachable_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: Poll2
*
* Description:
* Poll and disconnect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void Poll2(struct usrsocktest_daemon_conf_s *dconf)
{
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
char databuf[5];
int flags;
struct pollfd pfd;
int count;
const uint8_t *events = tevents;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 3;
dconf->endpoint_block_send = true;
dconf->endpoint_block_connect = false;
TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
started = true;
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
do
{
TEST_ASSERT_TRUE(*events == POLLIN || *events == POLLOUT || *events == (POLLOUT|POLLIN));
/* Open socket */
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
/* Make socket non-blocking */
flags = fcntl(sd, F_GETFL, 0);
TEST_ASSERT_TRUE(flags >= 0);
TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
TEST_ASSERT_EQUAL(0, flags & O_NONBLOCK);
ret = fcntl(sd, F_SETFL, flags | O_NONBLOCK);
TEST_ASSERT_EQUAL(0, ret);
flags = fcntl(sd, F_GETFL, 0);
TEST_ASSERT_TRUE(flags >= 0);
TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
TEST_ASSERT_EQUAL(O_NONBLOCK, flags & O_NONBLOCK);
/* Poll for input (instant timeout). */
memset(&pfd, 0, sizeof(pfd));
pfd.fd = sd;
pfd.events = *events;
ret = poll(&pfd, 1, 0);
TEST_ASSERT_EQUAL(1, ret);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLERR);
TEST_ASSERT_EQUAL(POLLHUP, pfd.revents & POLLHUP);
TEST_ASSERT_EQUAL(*events & POLLIN, pfd.revents & POLLIN);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLOUT);
/* Start non-blocking 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));
if (!dconf->delay_all_responses)
{
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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
}
else
{
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EINPROGRESS, errno);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
for (count = 0; usrsocktest_daemon_get_num_connected_sockets() != 1; count++)
{
TEST_ASSERT_TRUE(count <= 3);
usleep(25 * 1000);
}
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_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
}
/* Poll for output (no timeout). Close connection. */
memset(&pfd, 0, sizeof(pfd));
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('D', 100));
pfd.fd = sd;
pfd.events = *events;
ret = poll(&pfd, 1, -1);
TEST_ASSERT_EQUAL(1, ret);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLERR);
TEST_ASSERT_EQUAL(POLLHUP, pfd.revents & POLLHUP);
TEST_ASSERT_EQUAL(*events & POLLIN, pfd.revents & POLLIN);
TEST_ASSERT_EQUAL(0, pfd.revents & POLLOUT);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
for (count = 0; count < 2; count++)
{
/* Read from closed remote (EOF) */
data = databuf;
datalen = sizeof(databuf);
ret = read(sd, data, datalen);
TEST_ASSERT_EQUAL(0, ret);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_recv_bytes());
}
for (count = 0; count < 2; count++)
{
/* Send data to remote */
data = "abcde";
datalen = strlen("abcde");
ret = write(sd, data, datalen);
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EPIPE, errno);
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_remote_disconnected_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_send_bytes());
}
/* 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());
events++;
}
while (*events);
/* 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: RemoteDisconnect test group setup
*
* Description:
* Setup function executed before each testcase in this test group
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
TEST_SETUP(RemoteDisconnect)
{
sd = -1;
started = false;
}
/****************************************************************************
* Name: RemoteDisconnect test group teardown
*
* Description:
* Setup function executed after each testcase in this test group
*
* Input Parameters:
* None
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
TEST_TEAR_DOWN(RemoteDisconnect)
{
int ret;
if (sd >= 0)
{
ret = close(sd);
assert(ret >= 0);
}
if (started)
{
ret = usrsocktest_daemon_stop();
assert(ret == OK);
}
}
TEST(RemoteDisconnect, Unreachable)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Unreachable(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, UnreachableDelay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Unreachable(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Send)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Send(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, SendDelay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Send(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Send2)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Send2(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Send2Delay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Send2(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Receive)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Receive(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, ReceiveDelay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Receive(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Receive2)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Receive2(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Receive2Delay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Receive2(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Poll)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Poll(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, PollDelay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Poll(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Poll2)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
Poll2(&usrsocktest_daemon_config);
}
TEST(RemoteDisconnect, Poll2Delay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
Poll2(&usrsocktest_daemon_config);
}
/****************************************************************************
* Public Functions
****************************************************************************/
TEST_GROUP(RemoteDisconnect)
{
RUN_TEST_CASE(RemoteDisconnect, Unreachable);
RUN_TEST_CASE(RemoteDisconnect, UnreachableDelay);
RUN_TEST_CASE(RemoteDisconnect, Send);
RUN_TEST_CASE(RemoteDisconnect, SendDelay);
RUN_TEST_CASE(RemoteDisconnect, Send2);
RUN_TEST_CASE(RemoteDisconnect, Send2Delay);
RUN_TEST_CASE(RemoteDisconnect, Receive);
RUN_TEST_CASE(RemoteDisconnect, ReceiveDelay);
RUN_TEST_CASE(RemoteDisconnect, Receive2);
RUN_TEST_CASE(RemoteDisconnect, Receive2Delay);
RUN_TEST_CASE(RemoteDisconnect, Poll);
RUN_TEST_CASE(RemoteDisconnect, PollDelay);
RUN_TEST_CASE(RemoteDisconnect, Poll2);
RUN_TEST_CASE(RemoteDisconnect, Poll2Delay);
}
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