1 files changed, 68 insertions, 0 deletions
diff --git a/Swiften/ScreenSharing/ScreenSharing.cpp b/Swiften/ScreenSharing/ScreenSharing.cpp
new file mode 100644
index 0000000..fc7f672
--- /dev/null
+++ b/Swiften/ScreenSharing/ScreenSharing.cpp
@@ -0,0 +1,68 @@
+/*
+ * Copyright (c) 2012 Yoann Blein
+ * Licensed under the simplified BSD license.
+ * See Documentation/Licenses/BSD-simplified.txt for more information.
+ */
+
+#include <Swiften/ScreenSharing/ScreenSharing.h>
+
+#include <Swiften/Network/PlatformNetworkEnvironment.h>
+#include <Swiften/Elements/JingleRawUDPTransportPayload.h>
+#include <Swiften/Base/foreach.h>
+
+#include <Swiften/Network/UDPSocketFactory.h>
+#include <Swiften/Network/UDPSocket.h>
+
+namespace Swift {
+
+ScreenSharing::ScreenSharing(boost::shared_ptr<JingleSession> session, UDPSocketFactory* udpSocketFactory)
+	: session(session), udpSocketFactory(udpSocketFactory)
+{
+}
+
+ScreenSharing::~ScreenSharing()
+{
+}
+
+bool ScreenSharing::addBestCandidate(boost::shared_ptr<JingleRawUDPTransportPayload> transport)
+{
+	// TODO: NAT traversal
+
+	JingleRawUDPTransportPayload::Candidate candidate;
+	candidate.cid = idGenerator.generateID();
+	candidate.component = 1;
+	candidate.generation = 0;
+
+	PlatformNetworkEnvironment env;
+	std::vector<NetworkInterface> interfaces = env.getNetworkInterfaces();
+
+	// Find the first ip which is not loopback
+	foreach (const NetworkInterface& interface, interfaces) {
+		if (!interface.isLoopback()) { // exclude loopback
+			candidate.hostAddressPort = HostAddressPort(interface.getAddresses().front(), listeningPort);
+			candidate.type = JingleRawUDPTransportPayload::Candidate::Host;
+			transport->addCandidate(candidate);
+
+			serverSocket = udpSocketFactory->createUDPSocket();
+			serverSocket->bind(listeningPort);
+
+			return true;
+		}
+	}
+
+	// else loopback for self sharing
+	if (!interfaces.empty()) {
+		candidate.hostAddressPort = HostAddressPort(interfaces.front().getAddresses().front(), listeningPort);
+		candidate.type = JingleRawUDPTransportPayload::Candidate::Host;
+		transport->addCandidate(candidate);
+
+		serverSocket = udpSocketFactory->createUDPSocket();
+		serverSocket->bind(listeningPort);
+
+		return true;
+	}
+
+	return false;
+}
+
+}