/****************************************************************************
* apps/testing/ostest/timedmqueue.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 <nuttx/config.h>
#include <stdio.h>
#include <unistd.h>
#include <string.h>
#include <ctype.h>
#include <fcntl.h>
#include <pthread.h>
#include <mqueue.h>
#include <sched.h>
#include <errno.h>
#include "ostest.h"
/****************************************************************************
* Private Definitions
****************************************************************************/
#define TEST_MESSAGE "This is a test and only a test"
#if defined(SDCC) || defined(__ZILOG__)
/* Cannot use strlen in array size */
# define TEST_MSGLEN (31)
#else
/* Message length is the size of the message plus the null terminator */
# define TEST_MSGLEN (strlen(TEST_MESSAGE)+1)
#endif
#define TEST_SEND_NMSGS (10)
#define TEST_RECEIVE_NMSGS (10)
/****************************************************************************
* Private Types
****************************************************************************/
/****************************************************************************
* Private Function Prototypes
****************************************************************************/
/****************************************************************************
* Public Data
****************************************************************************/
/****************************************************************************
* Private Data
****************************************************************************/
static mqd_t g_send_mqfd;
static mqd_t g_recv_mqfd;
/****************************************************************************
* Private Functions
****************************************************************************/
/****************************************************************************
* Public Functions
****************************************************************************/
static void *sender_thread(void *arg)
{
char msg_buffer[TEST_MSGLEN];
struct mq_attr attr;
int status = 0;
int nerrors = 0;
int i;
printf("sender_thread: Starting\n");
/* Fill in attributes for message queue */
attr.mq_maxmsg = TEST_SEND_NMSGS - 1;
attr.mq_msgsize = TEST_MSGLEN;
attr.mq_flags = 0;
/* Set the flags for the open of the queue.
* Make it a blocking open on the queue, meaning it will block if
* this process tries to send to the queue and the queue is full.
*
* O_CREAT - the queue will get created if it does not already exist.
* O_WRONLY - we are only planning to write to the queue.
*
* Open the queue, and create it if the receiving process hasn't
* already created it.
*/
g_send_mqfd = mq_open("timedmq", O_WRONLY | O_CREAT, 0666, &attr);
if (g_send_mqfd == (mqd_t)-1)
{
printf("sender_thread: ERROR mq_open failed\n");
pthread_exit((pthread_addr_t)1);
}
/* Fill in a test message buffer to send */
memcpy(msg_buffer, TEST_MESSAGE, TEST_MSGLEN);
/* Perform the send TEST_SEND_NMSGS times */
for (i = 0; i < TEST_SEND_NMSGS; i++)
{
struct timespec ts;
status = clock_gettime(CLOCK_REALTIME, &ts);
if (status != 0)
{
printf("sender_thread: ERROR clock_gettime failed\n");
}
ts.tv_sec += 5;
/* The first TEST_SEND_NMSGS-1 send should succeed. The last
* one should fail with errno == ETIMEDOUT
*/
status = mq_timedsend(g_send_mqfd, msg_buffer, TEST_MSGLEN, 42, &ts);
if (status < 0)
{
if (i == TEST_SEND_NMSGS - 1 && errno == ETIMEDOUT)
{
printf("sender_thread: mq_timedsend %d "
"timed out as expected\n", i);
}
else
{
printf("sender_thread: ERROR mq_timedsend "
"failure=%d on msg %d\n", errno, i);
nerrors++;
}
}
else
{
if (i == TEST_SEND_NMSGS - 1)
{
printf("sender_thread: ERROR mq_timedsend of msg %d\n", i);
nerrors++;
}
else
{
printf("sender_thread: mq_timedsend succeeded on msg %d\n", i);
}
}
}
/* Close the queue and return success */
if (mq_close(g_send_mqfd) < 0)
{
printf("sender_thread: ERROR mq_close failed\n");
}
else
{
g_send_mqfd = 0;
}
printf("sender_thread: returning nerrors=%d\n", nerrors);
FFLUSH();
return (pthread_addr_t)((uintptr_t)nerrors);
}
static void *receiver_thread(void *arg)
{
char msg_buffer[TEST_MSGLEN];
struct mq_attr attr;
int nbytes;
int nerrors = 0;
int i;
printf("receiver_thread: Starting\n");
/* Fill in attributes for message queue */
attr.mq_maxmsg = TEST_SEND_NMSGS - 1;
attr.mq_msgsize = TEST_MSGLEN;
attr.mq_flags = 0;
/* Set the flags for the open of the queue.
* Make it a blocking open on the queue, meaning it will block if
* this process tries to* send to the queue and the queue is full.
*
* O_CREAT - the queue will get created if it does not already exist.
* O_RDONLY - we are only planning to write to the queue.
*
* Open the queue, and create it if the sending process hasn't
* already created it.
*/
g_recv_mqfd = mq_open("timedmq", O_RDONLY | O_CREAT, 0666, &attr);
if (g_recv_mqfd == (mqd_t)-1)
{
printf("receiver_thread: ERROR mq_open failed\n");
pthread_exit((pthread_addr_t)1);
}
/* Perform the receive TEST_RECEIVE_NMSGS times */
for (i = 0; i < TEST_RECEIVE_NMSGS; i++)
{
struct timespec ts;
int status = clock_gettime(CLOCK_REALTIME, &ts);
if (status != 0)
{
printf("sender_thread: ERROR clock_gettime failed\n");
}
ts.tv_sec += 5;
/* The first TEST_SEND_NMSGS-1 send should succeed. The last
* one should fail with errno == ETIMEDOUT
*/
memset(msg_buffer, 0xaa, TEST_MSGLEN);
nbytes = mq_timedreceive(g_recv_mqfd, msg_buffer, TEST_MSGLEN, 0, &ts);
if (nbytes < 0)
{
if (i == TEST_SEND_NMSGS - 1 && errno == ETIMEDOUT)
{
printf("receiver_thread: Receive %d "
"timed out as expected\n", i);
}
else
{
printf("receiver_thread: ERROR mq_timedreceive "
"failure=%d on msg %d\n", errno, i);
nerrors++;
}
}
else if (nbytes != TEST_MSGLEN)
{
printf("receiver_thread: mq_timedreceive return "
"bad size %d on msg %d\n", nbytes, i);
nerrors++;
}
else if (memcmp(TEST_MESSAGE, msg_buffer, nbytes) != 0)
{
int j;
printf("receiver_thread: mq_timedreceive returned "
"corrupt message on msg %d\n", i);
printf("receiver_thread: i Expected Received\n");
for (j = 0; j < TEST_MSGLEN - 1; j++)
{
if (isprint(msg_buffer[j]))
{
printf("receiver_thread: %2d %02x (%c) %02x (%c)\n",
j, TEST_MESSAGE[j], TEST_MESSAGE[j],
msg_buffer[j], msg_buffer[j]);
}
else
{
printf("receiver_thread: %2d %02x (%c) %02x\n",
j, TEST_MESSAGE[j], TEST_MESSAGE[j], msg_buffer[j]);
}
}
printf("receiver_thread: %2d 00 %02x\n", j, msg_buffer[j]);
}
else if (i == TEST_SEND_NMSGS - 1)
{
printf("receiver_thread: ERROR mq_timedreceive of msg %d\n", i);
nerrors++;
}
else
{
printf("receiver_thread: mq_timedreceive succeed on msg %d\n", i);
}
}
/* Close the queue and return success */
if (mq_close(g_recv_mqfd) < 0)
{
printf("receiver_thread: ERROR mq_close failed\n");
nerrors++;
}
else
{
g_recv_mqfd = 0;
}
printf("receiver_thread: returning nerrors=%d\n", nerrors);
FFLUSH();
pthread_exit((pthread_addr_t)((uintptr_t)nerrors));
return (pthread_addr_t)((uintptr_t)nerrors);
}
void timedmqueue_test(void)
{
pthread_t sender;
pthread_t receiver;
void *result;
pthread_attr_t attr;
int status;
/* Start the sending thread at the default priority */
printf("timedmqueue_test: Starting sender\n");
status = pthread_attr_init(&attr);
if (status != 0)
{
printf("timedmqueue_test: pthread_attr_init failed, status=%d\n",
status);
}
status = pthread_attr_setstacksize(&attr, STACKSIZE);
if (status != 0)
{
printf("timedmqueue_test: pthread_attr_setstacksize failed, "
"status=%d\n", status);
}
status = pthread_create(&sender, &attr, sender_thread, NULL);
if (status != 0)
{
printf("timedmqueue_test: pthread_create failed, status=%d\n",
status);
}
/* Wait for the sending thread to complete */
printf("timedmqueue_test: Waiting for sender to complete\n");
pthread_join(sender, &result);
if (result != (void *)0)
{
printf("timedmqueue_test: ERROR sender thread exited with %d errors\n",
(int)((intptr_t)result));
}
/* Start the receiving thread at the default priority */
printf("timedmqueue_test: Starting receiver\n");
status = pthread_attr_init(&attr);
if (status != 0)
{
printf("timedmqueue_test: pthread_attr_init failed, status=%d\n",
status);
}
status = pthread_attr_setstacksize(&attr, STACKSIZE);
if (status != 0)
{
printf("timedmqueue_test: pthread_attr_setstacksize failed, "
"status=%d\n", status);
}
status = pthread_create(&receiver, &attr, receiver_thread, NULL);
if (status != 0)
{
printf("timedmqueue_test: pthread_create failed, status=%d\n",
status);
}
/* Wait for the receiving thread to complete */
printf("timedmqueue_test: Waiting for receiver to complete\n");
pthread_join(receiver, &result);
if (result != (void *)0)
{
printf("timedmqueue_test: ERROR receiver thread exited "
"with %d errors\n", (int)((intptr_t)result));
}
/* Make sure that the message queues were properly closed (otherwise, we
* might have problems the next time in the test loop.
*/
if (g_send_mqfd)
{
printf("timedmqueue_test: ERROR send mqd_t left open\n");
if (mq_close(g_send_mqfd) < 0)
{
printf("timedmqueue_test: ERROR mq_close failed\n");
}
}
if (g_recv_mqfd)
{
printf("timedmqueue_test: ERROR receive mqd_t left open\n");
if (mq_close(g_recv_mqfd) < 0)
{
printf("timedmqueue_test: ERROR mq_close failed\n");
}
}
/* Destroy the message queue */
if (mq_unlink("timedmq") < 0)
{
printf("timedmqueue_test: ERROR mq_unlink failed\n");
}
printf("timedmqueue_test: Test complete\n");
}