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Diffstat (limited to 'Swiften/StreamStack/StreamStack.cpp')
-rw-r--r--Swiften/StreamStack/StreamStack.cpp40
1 files changed, 40 insertions, 0 deletions
diff --git a/Swiften/StreamStack/StreamStack.cpp b/Swiften/StreamStack/StreamStack.cpp
new file mode 100644
index 0000000..9eb9b4e
--- /dev/null
+++ b/Swiften/StreamStack/StreamStack.cpp
@@ -0,0 +1,40 @@
+#include "Swiften/StreamStack/StreamStack.h"
+
+#include <boost/bind.hpp>
+
+#include "Swiften/Base/foreach.h"
+#include "Swiften/StreamStack/XMPPLayer.h"
+#include "Swiften/StreamStack/LowLayer.h"
+#include "Swiften/StreamStack/StreamLayer.h"
+
+namespace Swift {
+
+StreamStack::StreamStack(boost::shared_ptr<XMPPLayer> xmppLayer, boost::shared_ptr<LowLayer> physicalLayer) : xmppLayer_(xmppLayer), physicalLayer_(physicalLayer) {
+ xmppReadSlotConnection_ = physicalLayer_->onDataRead.connect(boost::bind(&XMPPLayer::parseData, xmppLayer_, _1));
+ xmppWriteSignalConnection_ = xmppLayer_->onWriteData.connect(boost::bind(&LowLayer::writeData, physicalLayer_, _1));
+}
+
+StreamStack::~StreamStack() {
+ // Disconnect the write signal connections to break cyclic signal
+ // dependencies. The read signal connections have
+ // to remain, since these can be reached from the main event loop.
+ xmppWriteSignalConnection_.disconnect();
+ foreach(const boost::bsignals::connection& connection, writeSignalConnections_) {
+ connection.disconnect();
+ }
+}
+
+void StreamStack::addLayer(boost::shared_ptr<StreamLayer> newLayer) {
+ xmppReadSlotConnection_.disconnect();
+ xmppWriteSignalConnection_.disconnect();
+
+ boost::shared_ptr<LowLayer> lowLayer = (layers_.empty() ? physicalLayer_ : *layers_.rbegin());
+
+ lowLayer->onDataRead.connect(boost::bind(&HighLayer::handleDataRead, newLayer, _1), boost::bsignals::at_front);
+ writeSignalConnections_.push_back(newLayer->onWriteData.connect(boost::bind(&LowLayer::writeData, lowLayer, _1), boost::bsignals::at_front));
+ xmppWriteSignalConnection_ = xmppLayer_->onWriteData.connect(boost::bind(&LowLayer::writeData, newLayer, _1), boost::bsignals::at_front);
+ xmppReadSlotConnection_ = newLayer->onDataRead.connect(boost::bind(&XMPPLayer::parseData, xmppLayer_, _1), boost::bsignals::at_front);
+ layers_.push_back(newLayer);
+}
+
+}