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authorRemko Tronçon <git@el-tramo.be>2011-03-26 10:09:46 (GMT)
committerRemko Tronçon <git@el-tramo.be>2011-04-18 19:11:40 (GMT)
commitbb37c9f89e4135f3128fc98c23ea19eea945c4cd (patch)
tree92e9504a27d6eaa8182bb0bab8a7556825a46ad7 /Swiften/FileTransfer/IncomingJingleFileTransfer.cpp
parent039636edc1b151431cba21a28986ff2be66b5349 (diff)
downloadswift-contrib-bb37c9f89e4135f3128fc98c23ea19eea945c4cd.zip
swift-contrib-bb37c9f89e4135f3128fc98c23ea19eea945c4cd.tar.bz2
Jingle refactoring.
Diffstat (limited to 'Swiften/FileTransfer/IncomingJingleFileTransfer.cpp')
-rw-r--r--Swiften/FileTransfer/IncomingJingleFileTransfer.cpp152
1 files changed, 151 insertions, 1 deletions
diff --git a/Swiften/FileTransfer/IncomingJingleFileTransfer.cpp b/Swiften/FileTransfer/IncomingJingleFileTransfer.cpp
index cb2f65c..904b53e 100644
--- a/Swiften/FileTransfer/IncomingJingleFileTransfer.cpp
+++ b/Swiften/FileTransfer/IncomingJingleFileTransfer.cpp
@@ -6,14 +6,164 @@
#include <Swiften/FileTransfer/IncomingJingleFileTransfer.h>
+#include <boost/bind.hpp>
+#include <boost/smart_ptr/make_shared.hpp>
+
+#include <Swiften/FileTransfer/RemoteJingleTransportCandidateSelectorFactory.h>
+#include <Swiften/FileTransfer/LocalJingleTransportCandidateGeneratorFactory.h>
+#include <Swiften/FileTransfer/JingleIncomingIBBTransport.h>
+#include <Swiften/Elements/JingleIBBTransportPayload.h>
+#include <Swiften/Elements/JingleS5BTransportPayload.h>
+#include <Swiften/FileTransfer/RemoteJingleTransportCandidateSelector.h>
+#include <Swiften/FileTransfer/LocalJingleTransportCandidateGenerator.h>
+
namespace Swift {
-IncomingJingleFileTransfer::IncomingJingleFileTransfer(IncomingJingleSession::ref session) : session(session) {
+IncomingJingleFileTransfer::IncomingJingleFileTransfer(
+ JingleSession::ref session,
+ JingleContentPayload::ref content,
+ RemoteJingleTransportCandidateSelectorFactory* candidateSelectorFactory,
+ LocalJingleTransportCandidateGeneratorFactory* candidateGeneratorFactory,
+ IQRouter* router) :
+ session(session),
+ router(router),
+ initialContent(content),
+ contentID(content->getName(), content->getCreator()),
+ state(Initial),
+ remoteTransportCandidateSelectFinished(false),
+ localTransportCandidateSelectFinished(false) {
+
+ candidateSelector = candidateSelectorFactory->createCandidateSelector();
+ candidateSelector->onRemoteTransportCandidateSelectFinished.connect(boost::bind(&IncomingJingleFileTransfer::handleRemoteTransportCandidateSelectFinished, this, _1));
+
+ candidateGenerator = candidateGeneratorFactory->createCandidateGenerator();
+ candidateGenerator->onLocalTransportCandidatesGenerated.connect(boost::bind(&IncomingJingleFileTransfer::handleLocalTransportCandidatesGenerated, this, _1));
+
+ session->onTransportInfoReceived.connect(boost::bind(&IncomingJingleFileTransfer::handleTransportInfoReceived, this, _1, _2));
+ session->onTransportReplaceReceived.connect(boost::bind(&IncomingJingleFileTransfer::handleTransportReplaceReceived, this, _1, _2));
+ session->onSessionTerminateReceived.connect(boost::bind(&IncomingJingleFileTransfer::handleSessionTerminateReceived, this));
+
+ description = initialContent->getDescription<JingleFileTransferDescription>();
+ assert(description);
+}
+
+IncomingJingleFileTransfer::~IncomingJingleFileTransfer() {
+ session->onSessionTerminateReceived.disconnect(boost::bind(&IncomingJingleFileTransfer::handleSessionTerminateReceived, this));
+ session->onTransportReplaceReceived.disconnect(boost::bind(&IncomingJingleFileTransfer::handleTransportReplaceReceived, this, _1, _2));
+ session->onTransportInfoReceived.disconnect(boost::bind(&IncomingJingleFileTransfer::handleTransportInfoReceived, this, _1, _2));
+
+ candidateGenerator->onLocalTransportCandidatesGenerated.disconnect(boost::bind(&IncomingJingleFileTransfer::handleLocalTransportCandidatesGenerated, this, _1));
+ delete candidateGenerator;
+ candidateSelector->onRemoteTransportCandidateSelectFinished.disconnect(boost::bind(&IncomingJingleFileTransfer::handleRemoteTransportCandidateSelectFinished, this, _1));
+ delete candidateSelector;
}
void IncomingJingleFileTransfer::accept(WriteBytestream::ref stream) {
+ assert(!stream);
this->stream = stream;
+
+ if (JingleIBBTransportPayload::ref ibbTransport = initialContent->getTransport<JingleIBBTransportPayload>()) {
+ setActiveTransport(createIBBTransport(ibbTransport));
+ session->accept();
+ }
+ else if (JingleS5BTransportPayload::ref s5bTransport = initialContent->getTransport<JingleS5BTransportPayload>()) {
+ state = CreatingInitialTransports;
+ candidateSelector->addRemoteTransportCandidates(s5bTransport);
+ candidateGenerator->generateLocalTransportCandidates();
+ }
+ else {
+ assert(false);
+ }
+}
+
+
+void IncomingJingleFileTransfer::handleLocalTransportCandidatesGenerated(JingleTransportPayload::ref candidates) {
+ if (state == CreatingInitialTransports) {
+ if (!candidates) {
+ localTransportCandidateSelectFinished = true;
+ }
+ session->accept(candidates);
+ state = NegotiatingTransport;
+ candidateSelector->selectCandidate();
+ }
+}
+
+
+void IncomingJingleFileTransfer::handleRemoteTransportCandidateSelectFinished(JingleTransportPayload::ref transport) {
+ remoteTransportCandidateSelectFinished = true;
+ selectedRemoteTransportCandidate = transport;
+ session->sendTransportInfo(contentID, transport);
+ checkCandidateSelected();
+}
+
+void IncomingJingleFileTransfer::checkCandidateSelected() {
+ if (localTransportCandidateSelectFinished && remoteTransportCandidateSelectFinished) {
+ if (candidateGenerator->isActualCandidate(selectedLocalTransportCandidate) && candidateSelector->isActualCandidate(selectedRemoteTransportCandidate)) {
+ if (candidateGenerator->getPriority(selectedLocalTransportCandidate) > candidateSelector->getPriority(selectedRemoteTransportCandidate)) {
+ setActiveTransport(candidateGenerator->selectTransport(selectedLocalTransportCandidate));
+ }
+ else {
+ setActiveTransport(candidateSelector->selectTransport(selectedRemoteTransportCandidate));
+ }
+ }
+ else if (candidateSelector->isActualCandidate(selectedRemoteTransportCandidate)) {
+ setActiveTransport(candidateSelector->selectTransport(selectedRemoteTransportCandidate));
+ }
+ else if (candidateGenerator->isActualCandidate(selectedLocalTransportCandidate)) {
+ setActiveTransport(candidateGenerator->selectTransport(selectedLocalTransportCandidate));
+ }
+ else {
+ state = WaitingForFallbackOrTerminate;
+ }
+ }
+}
+
+void IncomingJingleFileTransfer::setActiveTransport(JingleTransport::ref transport) {
+ state = Transferring;
+ activeTransport = transport;
+ activeTransport->onDataReceived.connect(boost::bind(&IncomingJingleFileTransfer::handleTransportDataReceived, this, _1));
+ activeTransport->start();
+}
+
+void IncomingJingleFileTransfer::handleSessionTerminateReceived() {
+ // TODO
+ state = Terminated;
+}
+
+void IncomingJingleFileTransfer::handleTransportDataReceived(const std::vector<unsigned char>& data) {
+ stream->write(data);
+}
+
+
+void IncomingJingleFileTransfer::handleTransportInfoReceived(const JingleContentID&, JingleTransportPayload::ref transport) {
+ localTransportCandidateSelectFinished = true;
+ selectedLocalTransportCandidate = transport;
+ if (candidateGenerator->isActualCandidate(transport)) {
+ candidateSelector->setMinimumPriority(candidateGenerator->getPriority(transport));
+ }
+ checkCandidateSelected();
+}
+
+void IncomingJingleFileTransfer::handleTransportReplaceReceived(const JingleContentID& content, JingleTransportPayload::ref transport) {
+ if (JingleIBBTransportPayload::ref ibbTransport = boost::dynamic_pointer_cast<JingleIBBTransportPayload>(transport)) {
+ setActiveTransport(createIBBTransport(ibbTransport));
+ session->acceptTransport(content, transport);
+ }
+ else {
+ session->rejectTransport(content, transport);
+ }
+}
+
+void IncomingJingleFileTransfer::stopActiveTransport() {
+ if (activeTransport) {
+ activeTransport->stop();
+ activeTransport->onDataReceived.disconnect(boost::bind(&IncomingJingleFileTransfer::handleTransportDataReceived, this, _1));
+ }
+}
+
+JingleIncomingIBBTransport::ref IncomingJingleFileTransfer::createIBBTransport(JingleIBBTransportPayload::ref ibbTransport) {
+ return boost::make_shared<JingleIncomingIBBTransport>(session->getInitiator(), ibbTransport->getSessionID(), description->getOffer()->size, router);
}
}