/**************************************************************************** * apps/examples/usrsocktest/usrsocktest_block_recv.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 #include #include #include #include #include #include #include #include #include "defines.h" /**************************************************************************** * Pre-processor Definitions ****************************************************************************/ /**************************************************************************** * Private Types ****************************************************************************/ /**************************************************************************** * Private Function Prototypes ****************************************************************************/ /**************************************************************************** * Private Data ****************************************************************************/ static bool started; static int sd; /**************************************************************************** * Public Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /**************************************************************************** * Name: connect_receive * * Description: * Blocking connect and receive * * Input Parameters: * dconf - socket daemon configuration * * Returned Value: * None * * Assumptions/Limitations: * None * ****************************************************************************/ static void connect_receive(FAR struct usrsocktest_daemon_conf_s *dconf) { ssize_t ret; size_t datalen; void *data; struct sockaddr_in addr; char databuf[5]; /* 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()); /* Do connect, should succeed (after connect block released). */ 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('E', 100)); 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(1, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('r', 100)); ret = recvfrom(sd, data, datalen, 0, NULL, 0); TEST_ASSERT_EQUAL(datalen, ret); TEST_ASSERT_EQUAL(5, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("abcde", data, 5); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(5, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); ret = recvfrom(sd, data, datalen, 0, NULL, 0); TEST_ASSERT_EQUAL(2, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("ab", data, 2); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(7, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_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: no_block_connect * * Description: * Non-blocking connect and blocking receive * * Input Parameters: * dconf - socket daemon configuration * * Returned Value: * None * * Assumptions/Limitations: * None * ****************************************************************************/ static void no_block_connect(FAR struct usrsocktest_daemon_conf_s *dconf) { ssize_t ret; size_t datalen; void *data; struct sockaddr_in addr; char databuf[5]; struct sockaddr_in remoteaddr; socklen_t addrlen; /* 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 = true; dconf->endpoint_recv_avail = 6; 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()); /* Do connect, should succeed (after connect block released). */ 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('W', 100)); TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('E', 100)); 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_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); ret = read(sd, data, datalen); TEST_ASSERT_EQUAL(datalen, ret); TEST_ASSERT_EQUAL(5, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("abcde", data, 5); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(5, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); addrlen = sizeof(remoteaddr); ret = recvfrom(sd, data, datalen, 0, (FAR struct sockaddr *)&remoteaddr, &addrlen); TEST_ASSERT_EQUAL(1, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("a", data, 1); TEST_ASSERT_EQUAL(sizeof(remoteaddr), addrlen); TEST_ASSERT_EQUAL_UINT8_ARRAY(&remoteaddr, &addr, addrlen - sizeof(addr.sin_zero)); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(6, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); addrlen = sizeof(remoteaddr); TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('r', 100)); ret = recvfrom(sd, data, datalen, 0, (FAR struct sockaddr *)&remoteaddr, &addrlen); TEST_ASSERT_EQUAL(5, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("abcde", data, 5); TEST_ASSERT_EQUAL(sizeof(remoteaddr), addrlen); TEST_ASSERT_EQUAL_UINT8_ARRAY(&remoteaddr, &addr, addrlen - sizeof(addr.sin_zero)); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(11, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_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(11, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_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_timeout * * Description: * Blocking connect and receive with SO_RCVTIMEO * * Input Parameters: * dconf - socket daemon configuration * * Returned Value: * None * * Assumptions/Limitations: * None * ****************************************************************************/ static void receive_timeout(FAR struct usrsocktest_daemon_conf_s *dconf) { ssize_t ret; size_t datalen; void *data; struct sockaddr_in addr; char databuf[5]; struct timeval tv; /* 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()); /* Do connect, should succeed (after connect block released). */ 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('E', 100)); 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(1, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Setup recv timeout. */ tv.tv_sec = 0; tv.tv_usec = 100 * 1000; ret = setsockopt(sd, SOL_SOCKET, SO_RCVTIMEO, &tv, sizeof(tv)); TEST_ASSERT_EQUAL(0, ret); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); ret = recvfrom(sd, data, datalen, 0, NULL, 0); TEST_ASSERT_EQUAL(-1, ret); TEST_ASSERT_EQUAL(EAGAIN, errno); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_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: peek_receive * * Description: * Blocking connect and receive with MSG_PEEK flag * * Input Parameters: * dconf - socket daemon configuration * * Returned Value: * None * * Assumptions/Limitations: * None * ****************************************************************************/ static void peek_receive(FAR struct usrsocktest_daemon_conf_s *dconf) { ssize_t ret; size_t datalen; void *data; struct sockaddr_in addr; char databuf[5]; /* 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()); /* Do connect, should succeed (after connect block released). */ 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('E', 100)); 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(1, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote with MSG_PEEK flag */ data = databuf; datalen = sizeof(databuf); TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('r', 100)); ret = recvfrom(sd, data, datalen, MSG_PEEK, NULL, 0); TEST_ASSERT_EQUAL(datalen, ret); TEST_ASSERT_EQUAL(5, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("abcde", data, 5); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(5, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); ret = recvfrom(sd, data, datalen, 0, NULL, 0); TEST_ASSERT_EQUAL(datalen, ret); TEST_ASSERT_EQUAL(5, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("abcde", data, 5); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(10, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote with MSG_PEEK flag */ data = databuf; datalen = sizeof(databuf); ret = recvfrom(sd, data, datalen, MSG_PEEK, NULL, 0); TEST_ASSERT_EQUAL(2, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("ab", data, 2); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(12, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets()); /* Receive data from remote */ data = databuf; datalen = sizeof(databuf); ret = recvfrom(sd, data, datalen, 0, NULL, 0); TEST_ASSERT_EQUAL(2, ret); TEST_ASSERT_EQUAL_UINT8_ARRAY("ab", data, 2); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets()); TEST_ASSERT_EQUAL(14, usrsocktest_daemon_get_recv_bytes()); TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_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: block_recv 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(block_recv) { sd = -1; started = false; } /**************************************************************************** * Name: block_recv 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(block_recv) { int ret; if (sd >= 0) { ret = close(sd); assert(ret >= 0); } if (started) { ret = usrsocktest_daemon_stop(); assert(ret == OK); } } TEST(block_recv, connect_receive) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; connect_receive(&usrsocktest_daemon_config); } TEST(block_recv, connect_receive_delay) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; usrsocktest_daemon_config.delay_all_responses = true; connect_receive(&usrsocktest_daemon_config); } TEST(block_recv, no_block_connect) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; no_block_connect(&usrsocktest_daemon_config); } TEST(block_recv, no_block_connect_delay) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; usrsocktest_daemon_config.delay_all_responses = true; no_block_connect(&usrsocktest_daemon_config); } TEST(block_recv, receive_timeout) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; receive_timeout(&usrsocktest_daemon_config); } TEST(block_recv, receive_timeout_delay) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; usrsocktest_daemon_config.delay_all_responses = true; receive_timeout(&usrsocktest_daemon_config); } TEST(block_recv, peek_receive) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; peek_receive(&usrsocktest_daemon_config); } TEST(block_recv, peek_receive_delay) { usrsocktest_daemon_config = usrsocktest_daemon_defconf; usrsocktest_daemon_config.delay_all_responses = true; peek_receive(&usrsocktest_daemon_config); } /**************************************************************************** * Public Functions ****************************************************************************/ TEST_GROUP(block_recv) { RUN_TEST_CASE(block_recv, connect_receive); RUN_TEST_CASE(block_recv, connect_receive_delay); RUN_TEST_CASE(block_recv, no_block_connect); RUN_TEST_CASE(block_recv, no_block_connect_delay); RUN_TEST_CASE(block_recv, receive_timeout); RUN_TEST_CASE(block_recv, receive_timeout_delay); RUN_TEST_CASE(block_recv, peek_receive); RUN_TEST_CASE(block_recv, peek_receive_delay); }