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/*
 * Copyright (c) 2011 Tobias Markmann
 * Licensed under the simplified BSD license.
 * See Documentation/Licenses/BSD-simplified.txt for more information.
 */

#include "UPnPNATTraversalRemovePortForwardingRequest.h"

#include <boost/format.hpp>

#include <miniupnpc.h>
#include <upnpcommands.h>
#include <upnperrors.h>

#include <Swiften/Base/foreach.h>
#include <Swiften/Base/Log.h>
#include <Swiften/Network/NetworkInterface.h>
#include <Swiften/Network/PlatformNetworkEnvironment.h>

namespace Swift {

UPnPNATTraversalRemovePortForwardingRequest::UPnPNATTraversalRemovePortForwardingRequest(NATTraversalRemovePortForwardingRequest::PortMapping mapping, PlatformNATTraversalWorker* worker) : PlatformNATTraversalRequest(worker), mapping(mapping) {

}

UPnPNATTraversalRemovePortForwardingRequest::~UPnPNATTraversalRemovePortForwardingRequest() {

}

void UPnPNATTraversalRemovePortForwardingRequest::runBlocking() {
	boost::optional<bool> result;

	UPNPDev* deviceList = 0;
	int error = 0;
	char lanAddrress[64];

	std::string publicPort = str(boost::format("%d") % mapping.publicPort);
	std::string localPort = str(boost::format("%d") % mapping.localPort);
	std::string internalClient = PlatformNetworkEnvironment().getLocalAddress().toString();
	std::string leaseSeconds = str(boost::format("%d") % mapping.leaseInSeconds);
	UPNPUrls urls;
	IGDdatas data;

	do {
		// find valid IGD
		deviceList = upnpDiscover(1500 /* timeout in ms */, 0, 0, 0, 0 /* do IPv6? */, &error);
		if (!deviceList) {
			break;
		}

		if (!UPNP_GetValidIGD(deviceList, &urls, &data, lanAddrress, sizeof(lanAddrress))) {
			break;
		}

		/*
		int ret = UPNP_GetExternalIPAddress(urls.controlURL, data.first.servicetype, externalIPAddress);
		if (ret != UPNPCOMMAND_SUCCESS) {
			break;
		}*/
		SWIFT_LOG(debug) << "Start removing port forwarding..." << std::endl;
		int ret = UPNP_DeletePortMapping(urls.controlURL, data.first.servicetype, publicPort.c_str(), mapping.protocol == NATTraversalRemovePortForwardingRequest::PortMapping::TCP ? "TCP" : "UDP", 0);

		if (ret == UPNPCOMMAND_SUCCESS) {
			SWIFT_LOG(debug) << "Removing port " << publicPort << " successfull." << std::endl;
			result = true;
		} else {
			SWIFT_LOG(debug) << "Removing port " << publicPort << " failed." << std::endl;
			result = false;
		}
	} while(false);

	freeUPNPDevlist(deviceList); deviceList = 0;

	onResult(result);
}

}