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// File Name: JausTransportQueue.cpp
//
// Written By: Danny Kent (jaus AT dannykent DOT com) 
//
// Version: 3.3.0a
//
// Date: 08/07/08
//
// Description: Provides a FIFO queue for JausTransportPackets. Supports monitoring.

#include "nodeManager/JausTransportQueue.h"
#include "nodeManager/JausTransportInterface.h"
#include "nodeManager/JausCommunicationManager.h"

JausTransportQueue::JausTransportQueue(void)
{
	pthread_mutex_init(&mutex, NULL);
}

JausTransportQueue::~JausTransportQueue(void)
{
	//list.~queue();
	pthread_mutex_destroy(&mutex);
}

void JausTransportQueue::emptyQueue(void)
{
	pthread_mutex_lock(&mutex);
	while(!list.empty())
	{
		JausMessage out = list.front();
		list.pop();
		jausMessageDestroy(out);
	}

	pthread_mutex_unlock(&mutex);
}

void JausTransportQueue::push(JausMessage inc)
{
	pthread_mutex_lock(&mutex);
	list.push(inc);
	pthread_mutex_unlock(&mutex);
}

JausMessage JausTransportQueue::pop(void)
{
	pthread_mutex_lock(&mutex);
	if(!list.empty())
	{
		JausMessage out = list.front();
		list.pop();

		pthread_mutex_unlock(&mutex);
		return out;
	}

	pthread_mutex_unlock(&mutex);
	return NULL;

}

bool JausTransportQueue::isEmpty(void)
{
	return list.empty();
}

unsigned long JausTransportQueue::size()
{
	return (unsigned long)list.size();
}