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nuttx-apps/examples/usrsocktest/usrsocktest_noblock_recv.c
Xiang Xiao a29d9ea9da fsutils/examples: Include unistd.h explicitly 
to get the prototypes or macros are defined in it

Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com>
2023-02-05 08:46:59 +02:00

515 lines
17 KiB
C
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/****************************************************************************
* apps/examples/usrsocktest/usrsocktest_noblock_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 <sys/socket.h>
#include <errno.h>
#include <sys/types.h>
#include <stdbool.h>
#include <assert.h>
#include <fcntl.h>
#include <unistd.h>
#include <netinet/in.h>
#include <arpa/inet.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: receive
*
* Description:
* Non-blocking & instant connect+recv
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void receive(struct usrsocktest_daemon_conf_s *dconf)
{
int flags;
int count;
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
char databuf[4];
struct sockaddr_in remoteaddr;
socklen_t addrlen;
/* Start test daemon. */
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
dconf->endpoint_recv_avail_from_start = true;
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());
/* 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);
/* Do connect, should succeed instantly. */
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(0, 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());
TEST_ASSERT_EQUAL(0,
usrsocktest_daemon_get_num_waiting_connect_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(0, usrsocktest_daemon_get_num_recv_empty_sockets());
}
/* Receive data from remote, daemon returns 4 bytes. */
data = databuf;
datalen = sizeof(databuf);
ret = recvfrom(sd, data, datalen, 0, NULL, NULL);
TEST_ASSERT_EQUAL(datalen, ret);
TEST_ASSERT_EQUAL(4, datalen);
TEST_ASSERT_EQUAL_UINT8_ARRAY("abcd", data, 4);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(4, usrsocktest_daemon_get_recv_bytes());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Receive data from remote with address, daemon returns 3 bytes. */
addrlen = sizeof(remoteaddr);
ret = recvfrom(sd, data, datalen, 0, (FAR struct sockaddr *)&remoteaddr,
&addrlen);
TEST_ASSERT_EQUAL(3, ret);
TEST_ASSERT_EQUAL_UINT8_ARRAY("abc", data, 3);
TEST_ASSERT_EQUAL(addrlen, sizeof(remoteaddr));
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(datalen + ret, usrsocktest_daemon_get_recv_bytes());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Receive data from remote, daemon has 0 bytes buffered => -EAGAIN */
data = databuf;
datalen = sizeof(databuf);
ret = recvfrom(sd, data, datalen, 0, NULL, NULL);
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(7, usrsocktest_daemon_get_recv_bytes());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Receive data from remote, daemon has 0 bytes buffered => -EAGAIN */
data = databuf;
datalen = sizeof(databuf);
ret = read(sd, data, datalen);
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(7, usrsocktest_daemon_get_recv_bytes());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Reset recv buffer for open sockets */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('r', 0));
for (count = 0;
usrsocktest_daemon_get_num_recv_empty_sockets() > 0; count++)
{
TEST_ASSERT_TRUE(count <= 5);
usleep(5 * 1000);
}
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Receive data from remote, daemon returns 4 bytes. */
data = databuf;
datalen = sizeof(databuf);
ret = recvfrom(sd, data, datalen, 0, NULL, NULL);
TEST_ASSERT_EQUAL(datalen, ret);
TEST_ASSERT_EQUAL(4, datalen);
TEST_ASSERT_EQUAL_UINT8_ARRAY("abcd", data, 4);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(7 + 4, 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(7 + 4, 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: delayed_connect
*
* Description:
* Non-blocking & delayed connect
*
* Input Parameters:
* dconf - socket daemon configuration
*
* Returned Value:
* None
*
* Assumptions/Limitations:
* None
*
****************************************************************************/
static void delayed_connect(struct usrsocktest_daemon_conf_s *dconf)
{
int flags;
int count;
ssize_t ret;
size_t datalen;
void *data;
struct sockaddr_in addr;
char databuf[4];
struct sockaddr_in remoteaddr;
socklen_t addrlen;
/* Start test daemon. */
dconf->endpoint_block_connect = true;
dconf->endpoint_recv_avail_from_start = false;
dconf->endpoint_recv_avail = 4;
dconf->endpoint_addr = "127.0.0.1";
dconf->endpoint_port = 255;
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);
/* Launch connect attempt, daemon delays actual connection until
* triggered.
*/
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());
/* Try receive data, not connected yet. */
data = databuf;
datalen = sizeof(databuf);
ret = read(sd, data, datalen);
TEST_ASSERT_EQUAL(-1, ret);
TEST_ASSERT_EQUAL(EAGAIN, 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_send_bytes());
/* Release delayed connect. */
TEST_ASSERT_TRUE(usrsocktest_daemon_establish_waiting_connections());
for (count = 0; usrsocktest_daemon_get_num_waiting_connect_sockets() > 0;
count++)
{
TEST_ASSERT_TRUE(count <= 5);
usleep(10 * 1000);
}
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());
/* Try receive data, not received data yet. */
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(EAGAIN, errno);
TEST_ASSERT_EQUAL(sizeof(remoteaddr), addrlen);
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_send_bytes());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_recv_empty_sockets());
/* Reset recv buffer for open sockets */
TEST_ASSERT_TRUE(usrsocktest_send_delayed_command('r', 0));
for (count = 0;
usrsocktest_daemon_get_num_recv_empty_sockets() > 0; count++)
{
TEST_ASSERT_TRUE(count <= 5);
usleep(5 * 1000);
}
/* Receive data from remote, daemon returns 4 bytes. */
data = databuf;
datalen = sizeof(databuf);
ret = recvfrom(sd, data, datalen, 0, NULL, NULL);
TEST_ASSERT_EQUAL(datalen, ret);
TEST_ASSERT_EQUAL(4, datalen);
TEST_ASSERT_EQUAL_UINT8_ARRAY("abcd", data, 4);
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_connected_sockets());
TEST_ASSERT_EQUAL(1, usrsocktest_daemon_get_num_active_sockets());
TEST_ASSERT_EQUAL(4, 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());
TEST_ASSERT_EQUAL(0, usrsocktest_daemon_get_num_waiting_connect_sockets());
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(-ENODEV,
usrsocktest_daemon_get_num_waiting_connect_sockets());
TEST_ASSERT_EQUAL(-ENODEV,
usrsocktest_daemon_get_num_recv_empty_sockets());
TEST_ASSERT_EQUAL(0, usrsocktest_endp_malloc_cnt);
TEST_ASSERT_EQUAL(0, usrsocktest_dcmd_malloc_cnt);
}
/****************************************************************************
* Name: no_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(no_block_recv)
{
sd = -1;
started = false;
}
/****************************************************************************
* Name: no_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(no_block_recv)
{
int ret;
if (sd >= 0)
{
ret = close(sd);
assert(ret >= 0);
}
if (started)
{
ret = usrsocktest_daemon_stop();
assert(ret == OK);
}
}
TEST(no_block_recv, receive)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
receive(&usrsocktest_daemon_config);
}
TEST(no_block_recv, receive_delay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
receive(&usrsocktest_daemon_config);
}
TEST(no_block_recv, delayed_connect)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
delayed_connect(&usrsocktest_daemon_config);
}
TEST(no_block_recv, delayed_connect_delay)
{
usrsocktest_daemon_config = usrsocktest_daemon_defconf;
usrsocktest_daemon_config.delay_all_responses = true;
delayed_connect(&usrsocktest_daemon_config);
}
/****************************************************************************
* Public Functions
****************************************************************************/
TEST_GROUP(no_block_recv)
{
RUN_TEST_CASE(no_block_recv, receive);
RUN_TEST_CASE(no_block_recv, receive_delay);
RUN_TEST_CASE(no_block_recv, delayed_connect);
RUN_TEST_CASE(no_block_recv, delayed_connect_delay);
}
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