OMNET QUEUE is a container class that act as a queue.
Member functions in queues in Oment++
- front() which returns pointer to the object at the front.
- insert(obj), it inserts an objects into the queue head.
- back(), returns pointer to the object at the back.
- pop(), returns and removes object from the front.
- insertAfter(obj-where, obj_what).
- remove(obj), it removes that object from the queue.
- insertBefore(obj_where, obj_what).
- length(), returns the number of items in the queue.
- empty(), tells whether there is anything in the queue.
Omnet++ Queue Length functions is mainly used due to number of items in the queue can be obtained.
Sample Omnet++ Queue Examples
This is the code for take and put operations in queue.
#include "Queue.h"
#include "QueueMessage_m.h"
#include <omnetpp.h>
void Queue::initialize() {
}
void Queue::handleMessage(cMessage* msg) {
QueueMessage* message = check_and_cast<QueueMessage*>(msg);
if (message->getOperationType() == REQUEST_PUT) {
queue.insert(message);
} else if (message->getOperationType() == REQUEST_TAKE) {
if (!queue.isEmpty()) {
QueueMessage* reply = check_and_cast<QueueMessage*>(queue.pop());
send(reply, msg->getSenderGate());
} else {
//Wait for queue to not be empty... Somehow...
}
}
}