SAFMQ Store and Forward Message Queue

/*
 Copyright 2005 Matthew J. Battey

   Licensed 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.




This software implements a platform independent Store and Forward Message Queue.
*/
#include "main.h"
#include "SystemDelivery.h"
#include "lib/MQFactory.h"
#include "lib/MQConnection.h"
#include "url/urldecode.h"
#include "comdefs.h"
#include <iostream>

using namespace std;
using namespace safmq;

//////////////////////////////////////////////////////////////////////
// Construction/Destruction
//////////////////////////////////////////////////////////////////////

std::queue<SystemMessage>	SystemDelivery::que;
Mutex						SystemDelivery::qmtx;
Signal						SystemDelivery::qsignal;

SystemDelivery::SystemDelivery()
{
	// TODO: fetch the login id's
	ttl_user = system_user;
	ttl_passwd = "";
}

SystemDelivery::~SystemDelivery()
{

}

void SystemDelivery::Enqueue(SystemMessage &msg)
{
	MutexLock	lock(&qmtx);
	que.push(msg);
}

void* SystemDelivery::run()
{
	while (!m_bStop) {
		qsignal.WaitFor(500);
		if (!m_bStop) 
			sendMessages();
	}
	return 0;
}

void SystemDelivery::stop()
{
	Thread::stop();
	qsignal.Set();
}

void SystemDelivery::sendMessages()
{
	qmtx.Lock();
	bool	empty = que.empty();
	qmtx.Unlock();

	std::string cert = pcfg->getParam(SSL_CLIENT_CERT_PARAM,"");
	std::string key = pcfg->getParam(SSL_CLIENT_KEY_PARAM,"");

	SystemMessage	msg;
	while (!empty) {
		qmtx.Lock();
		msg = que.front();
		que.pop();
		empty = que.empty();
		qmtx.Unlock();
		try {
			SAFMQ_WSTRING		qname;
			msg.getResponseQueueName(qname);

			try {
				URL::urldecode	url(qname);
				SAFMQ_WSTRING	resource = url.getResource();

				SAFMQ_WSTRING	url_nuevo;


				if (url.getProtocol().length())
					url_nuevo = url.getProtocol() + ":";
				url_nuevo += "//";
					
				url_nuevo += url.getDestination();
				if (url.getPort().length())
					url_nuevo += ":" + url.getPort();

				cout << "System Message Delivery:" << msg.getLabel() << endl;
				cout << "Destination: " << url_nuevo << endl;
				cout << "ttl_user:" << ttl_user << endl;
				cout << "ttl_passwd: " << ttl_passwd << endl;

				SystemConnection			*con = (SystemConnection*)MQFactory::BuildConnection(url_nuevo, ttl_user.c_str(), ttl_passwd.c_str(),cert,key);
				MQConnection::QueueHandle	que;
				
				if (resource.length() && resource[0] == '/')
					resource.erase(0,1);

				if (resource.length()) {
					ErrorCode ec = con->OpenQueue(resource,que);
					if (ec == EC_NOERROR) {
						ec = con->Enqueue(que,msg);
					}
					// TODO: Log the error or something.
					if (ec != EC_NOERROR)
						cout << "SystemDelivery error code: " << EC_Decode(ec) << endl;
				}
		
				delete con;
			} catch (URL::urlexception& e) {
				cout << "Error urlexception: " << e.what() << endl;
			}
		} catch (ErrorCode c) {
			cout << "Error Code Thrown: " << c << endl;
		} catch (MQFactoryException e) {
			cout << "MQFactorException: " << e.what() << endl;
		} catch (tcpsocket::SocketException e) {
			cout << "tcpsocket::SocketException: " << e.what() << endl;
		}
	}
}