/******************************************************************************
*
* Copyright (c) 2014 TOSHIYUKI ARAI. ALL RIGHTS RESERVED.
*
* 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. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 AUTHOR 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.
*
*
* Writer.cpp
*
*****************************************************************************/
#include <oz++/Thread.h>
#include <oz++/MessageQueue.h>
namespace OZ {
class Writer :public Thread {
private:
MessageQueue queue;
public:
Writer(const char* qname)
:Thread()
{
queue.create(qname);
}
public:
void run()
{
int i = 0;
//You have to know the size of a message in your queue.
const long int size = queue.messageSize();
printf("Message Size:%ld\n", size); //Default size is 8192 bytes.
while(i < 100) {
if (queue.isWritable()) {
char message[size];
sprintf(message, "Hello world %d", i);
try {
//You may specify the real message size
// to the second argument of the send method of
// MessageQueue.
queue.send(message, strlen(message), 0);
printf("Sent: %s\n", message);
i++;
} catch (Exception& ex) {
caught(ex);
}
} else {
printf("Your message queue seems to be full\n");
sleep(1);
}
} //while
}
};
}
/**
*
*/
int main(int argc, char* argv[])
{
const char* qname = "/oz++_queue";
try {
Writer writer(qname);
writer.start();
writer.wait();
} catch (Exception& ex) {
caught(ex);
}
return 0;
}