1 files changed, 9 insertions, 0 deletions
diff --git a/Swiften/FileTransfer/IBBReceiveSession.cpp b/Swiften/FileTransfer/IBBReceiveSession.cpp
index 566dcca..43c26be 100644
--- a/Swiften/FileTransfer/IBBReceiveSession.cpp
+++ b/Swiften/FileTransfer/IBBReceiveSession.cpp
@@ -8,18 +8,20 @@
 
 #include <boost/bind.hpp>
 
 #include <Swiften/Base/Log.h>
 #include <Swiften/Queries/IQRouter.h>
 #include <Swiften/FileTransfer/IBBRequest.h>
 #include <Swiften/FileTransfer/BytestreamException.h>
 #include <Swiften/Queries/SetResponder.h>
 
+#include <cassert>
+
 namespace Swift {
 
 class IBBReceiveSession::IBBResponder : public SetResponder<IBB> {
 	public:
 		IBBResponder(IBBReceiveSession* session, IQRouter* router) : SetResponder<IBB>(router), session(session), sequenceNumber(0), receivedSize(0) {
 		}
 
 		virtual bool handleSetRequest(const JID& from, const JID&, const std::string& id, IBB::ref ibb) {
 			if (from == session->from && ibb->getStreamID() == session->id) {
@@ -37,26 +39,29 @@ class IBBReceiveSession::IBBResponder : public SetResponder<IBB> {
 						}
 					}
 					else {
 						SWIFT_LOG(warning) << "Received data out of order" << std::endl;
 						sendError(from, id, ErrorPayload::NotAcceptable, ErrorPayload::Cancel);
 						session->finish(FileTransferError(FileTransferError::ClosedError));
 					}
 				}
 				else if (ibb->getAction() == IBB::Open) {
+					SWIFT_LOG(debug) << "IBB open received" << std::endl;
 					sendResponse(from, id, IBB::ref());
 				}
 				else if (ibb->getAction() == IBB::Close) {
+					SWIFT_LOG(debug) << "IBB close received" << std::endl;
 					sendResponse(from, id, IBB::ref());
 					session->finish(FileTransferError(FileTransferError::ClosedError));
 				}
 				return true;
 			}
+			SWIFT_LOG(debug) << "wrong from/sessionID: " << from << " == " << session->from << " / " <<ibb->getStreamID() << " == " << session->id << std::endl;
 			return false;
 		}
 
 	private:
 		IBBReceiveSession* session;
 		int sequenceNumber;
 		size_t receivedSize;
 };
 
@@ -65,34 +70,38 @@ IBBReceiveSession::IBBReceiveSession(
 		const std::string& id, 
 		const JID& from, 
 		size_t size, 
 		IQRouter* router) : 
 			id(id), 
 			from(from), 
 			size(size), 
 			router(router), 
 			active(false) {
+	assert(!id.empty());
+	assert(from.isValid());
 	responder = new IBBResponder(this, router);
 }
 
 IBBReceiveSession::~IBBReceiveSession() {
 	if (active) {
 		SWIFT_LOG(warning) << "Session still active" << std::endl;
 	}
 	delete responder;
 }
 
 void IBBReceiveSession::start() {
+	SWIFT_LOG(debug) << "receive session started" << std::endl;
 	active = true;
 	responder->start();
 }
 
 void IBBReceiveSession::stop() {
+	SWIFT_LOG(debug) << "receive session stopped" << std::endl;
 	responder->stop();
 	if (active) {
 		if (router->isAvailable()) {
 			IBBRequest::create(from, IBB::createIBBClose(id), router)->send();
 		}
 		finish(boost::optional<FileTransferError>());
 	}
 }