415 lines
13 KiB
C
415 lines
13 KiB
C
/****************************************************************************
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* examples/usrsocktest/usrsocktest_noblock_send.c
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* Send through the socket in non-blocking mode
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*
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* Copyright (C) 2015, 2017 Haltian Ltd. All rights reserved.
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* Authors: Roman Saveljev <roman.saveljev@haltian.com>
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* Jussi Kivilinna <jussi.kivilinna@haltian.com>
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* 3. Neither the name NuttX nor the names of its contributors may be
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* used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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****************************************************************************/
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/****************************************************************************
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* Included Files
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****************************************************************************/
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#include <sys/socket.h>
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#include <errno.h>
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#include <sys/types.h>
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#include <stdbool.h>
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#include <assert.h>
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#include <fcntl.h>
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#include <netinet/in.h>
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#include <arpa/inet.h>
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#include <string.h>
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#include "defines.h"
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/****************************************************************************
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* Pre-processor Definitions
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****************************************************************************/
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/****************************************************************************
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* Private Types
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****************************************************************************/
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/****************************************************************************
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* Private Function Prototypes
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****************************************************************************/
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/****************************************************************************
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* Private Data
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****************************************************************************/
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static bool started;
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static int sd;
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/****************************************************************************
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* Public Data
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****************************************************************************/
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/****************************************************************************
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* Private Functions
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****************************************************************************/
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/****************************************************************************
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* Name: Send
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*
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* Description:
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* Open socket, connect instantly and send
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*
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* Input Parameters:
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* dconf - socket daemon configuration
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*
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* Returned Value:
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* None
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*
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* Assumptions/Limitations:
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* None
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*
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****************************************************************************/
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static void Send(struct usrsocktest_daemon_conf_s *dconf)
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{
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int flags;
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int count;
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ssize_t ret;
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size_t datalen;
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const void *data;
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struct sockaddr_in addr;
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/* Start test daemon. */
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dconf->endpoint_addr = "127.0.0.1";
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dconf->endpoint_port = 255;
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TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
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started = true;
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
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/* Open socket */
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sd = socket(AF_INET, SOCK_STREAM, 0);
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TEST_ASSERT_TRUE(sd >= 0);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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/* Make socket non-blocking */
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flags = fcntl(sd, F_GETFL, 0);
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TEST_ASSERT_TRUE(flags >= 0);
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TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
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TEST_ASSERT_EQUAL(0, flags & O_NONBLOCK);
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ret = fcntl(sd, F_SETFL, flags | O_NONBLOCK);
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TEST_ASSERT_EQUAL(0, ret);
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flags = fcntl(sd, F_GETFL, 0);
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TEST_ASSERT_TRUE(flags >= 0);
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TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
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TEST_ASSERT_EQUAL(O_NONBLOCK, flags & O_NONBLOCK);
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/* Do connect, should succeed instantly. */
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inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
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addr.sin_family = AF_INET;
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addr.sin_port = htons(255);
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ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
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if (!dconf->delay_all_responses)
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{
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TEST_ASSERT_EQUAL(0, ret);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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}
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else
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{
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TEST_ASSERT_EQUAL(-1, ret);
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TEST_ASSERT_EQUAL(EINPROGRESS, errno);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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for (count = 0; usrsocktest_daemon_get_num_connected_sockets() != 1;
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count++)
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{
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TEST_ASSERT_TRUE(count <= 3);
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usleep(25 * 1000);
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}
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ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
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TEST_ASSERT_EQUAL(-1, ret);
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TEST_ASSERT_EQUAL(EISCONN, errno);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
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}
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/* Send data to remote */
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data = "abcde";
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datalen = strlen("abcde");
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ret = sendto(sd, data, datalen, 0, NULL, 0);
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TEST_ASSERT_EQUAL(datalen, ret);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(datalen, usrsocktest_daemon_get_send_bytes());
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/* Close socket */
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TEST_ASSERT_TRUE(close(sd) >= 0);
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sd = -1;
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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/* Stopping daemon should succeed. */
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TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_stop());
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started = false;
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TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
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TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
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TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_connected_sockets());
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}
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/****************************************************************************
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* Name: ConnectSend
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*
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* Description:
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* Open socket, connect is delayed and send
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*
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* Input Parameters:
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* dconf - socket daemon configuration
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*
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* Returned Value:
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* None
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*
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* Assumptions/Limitations:
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* None
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*
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****************************************************************************/
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static void ConnectSend(struct usrsocktest_daemon_conf_s *dconf)
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{
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int flags;
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int count;
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ssize_t ret;
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size_t datalen;
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const void *data;
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struct sockaddr_in addr;
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/* Start test daemon. */
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dconf->endpoint_block_connect = true;
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dconf->endpoint_block_send = true;
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dconf->endpoint_addr = "127.0.0.1";
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dconf->endpoint_port = 255;
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TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_start(dconf));
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started = true;
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
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/* Open socket */
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sd = socket(AF_INET, SOCK_STREAM, 0);
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TEST_ASSERT_TRUE(sd >= 0);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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/* Make socket non-blocking */
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flags = fcntl(sd, F_GETFL, 0);
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TEST_ASSERT_TRUE(flags >= 0);
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TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
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TEST_ASSERT_EQUAL(0, flags & O_NONBLOCK);
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ret = fcntl(sd, F_SETFL, flags | O_NONBLOCK);
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TEST_ASSERT_EQUAL(0, ret);
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flags = fcntl(sd, F_GETFL, 0);
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TEST_ASSERT_TRUE(flags >= 0);
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TEST_ASSERT_EQUAL(O_RDWR, flags & O_RDWR);
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TEST_ASSERT_EQUAL(O_NONBLOCK, flags & O_NONBLOCK);
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/* Launch connect attempt, daemon delays actual connection until triggered. */
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inet_pton(AF_INET, "127.0.0.1", &addr.sin_addr.s_addr);
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addr.sin_family = AF_INET;
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addr.sin_port = htons(255);
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ret = connect(sd, (FAR const struct sockaddr *)&addr, sizeof(addr));
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TEST_ASSERT_EQUAL(-1, ret);
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TEST_ASSERT_EQUAL(EINPROGRESS, errno);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_waiting_connect_sockets());
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/* Send data to remote, not connected yet. */
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data = "abcde";
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datalen = strlen("abcde");
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ret = write(sd, data, datalen);
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TEST_ASSERT_EQUAL(-1, ret);
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TEST_ASSERT_EQUAL(EAGAIN, errno);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_waiting_connect_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_send_bytes());
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/* Release delayed connect. */
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TEST_ASSERT_TRUE(usrsocktest_daemon_establish_waiting_connections());
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for (count = 0; usrsocktest_daemon_get_num_waiting_connect_sockets() > 0;
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count++)
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{
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TEST_ASSERT_TRUE(count <= 5);
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usleep(10 * 1000);
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}
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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/* Send data to remote */
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data = "abcde";
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datalen = strlen("abcde");
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ret = write(sd, data, datalen);
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TEST_ASSERT_EQUAL(-1, ret);
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TEST_ASSERT_EQUAL(EAGAIN, errno);
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_send_bytes());
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/* Close socket. */
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TEST_ASSERT_TRUE(close(sd) >= 0);
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sd = -1;
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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/* Stopping daemon should succeed. */
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TEST_ASSERT_EQUAL(OK, usrsocktest_daemon_stop());
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started = false;
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TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_active_sockets());
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TEST_ASSERT_EQUAL(-ENODEV, usrsocktest_daemon_get_num_connected_sockets());
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TEST_ASSERT_EQUAL(-ENODEV,
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usrsocktest_daemon_get_num_waiting_connect_sockets());
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TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
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TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
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}
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/****************************************************************************
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* Name: NoBlockSend test group setup
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*
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* Description:
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* Setup function executed before each testcase in this test group
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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* Assumptions/Limitations:
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* None
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*
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****************************************************************************/
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TEST_SETUP(NoBlockSend)
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{
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sd = -1;
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started = false;
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}
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/****************************************************************************
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* Name: NoBlockSend test group teardown
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*
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* Description:
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* Setup function executed after each testcase in this test group
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*
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* Input Parameters:
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* None
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*
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* Returned Value:
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* None
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*
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* Assumptions/Limitations:
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* None
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*
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****************************************************************************/
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TEST_TEAR_DOWN(NoBlockSend)
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{
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int ret;
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if (sd >= 0)
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{
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ret = close(sd);
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assert(ret >= 0);
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}
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if (started)
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{
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ret = usrsocktest_daemon_stop();
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assert(ret == OK);
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}
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}
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TEST(NoBlockSend, Send)
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{
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usrsocktest_daemon_config = usrsocktest_daemon_defconf;
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Send(&usrsocktest_daemon_config);
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}
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TEST(NoBlockSend, SendDelay)
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{
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usrsocktest_daemon_config = usrsocktest_daemon_defconf;
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usrsocktest_daemon_config.delay_all_responses = true;
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Send(&usrsocktest_daemon_config);
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}
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TEST(NoBlockSend, ConnectSend)
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{
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usrsocktest_daemon_config = usrsocktest_daemon_defconf;
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ConnectSend(&usrsocktest_daemon_config);
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}
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TEST(NoBlockSend, ConnectSendDelay)
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{
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usrsocktest_daemon_config = usrsocktest_daemon_defconf;
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usrsocktest_daemon_config.delay_all_responses = true;
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ConnectSend(&usrsocktest_daemon_config);
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}
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/****************************************************************************
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* Public Functions
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****************************************************************************/
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TEST_GROUP(NoBlockSend)
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{
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RUN_TEST_CASE(NoBlockSend, Send);
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RUN_TEST_CASE(NoBlockSend, SendDelay);
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RUN_TEST_CASE(NoBlockSend, ConnectSend);
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RUN_TEST_CASE(NoBlockSend, ConnectSendDelay);
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}
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