fw: broadcast strategy
refs #1243
Change-Id: I9ca2164812ea3e1815fa27b73a68166c93f97b27
diff --git a/daemon/fw/broadcast-strategy.cpp b/daemon/fw/broadcast-strategy.cpp
new file mode 100644
index 0000000..7781377
--- /dev/null
+++ b/daemon/fw/broadcast-strategy.cpp
@@ -0,0 +1,44 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#include "broadcast-strategy.hpp"
+
+namespace nfd {
+namespace fw {
+
+BroadcastStrategy::BroadcastStrategy(Forwarder& forwarder)
+ : Strategy(forwarder)
+{
+}
+
+BroadcastStrategy::~BroadcastStrategy()
+{
+}
+
+void
+BroadcastStrategy::afterReceiveInterest(const Face& inFace,
+ const Interest& interest,
+ shared_ptr<fib::Entry> fibEntry,
+ shared_ptr<pit::Entry> pitEntry)
+{
+ const fib::NextHopList& nexthops = fibEntry->getNextHops();
+
+ bool isPropagated = false;
+ for (fib::NextHopList::const_iterator it = nexthops.begin(); it != nexthops.end(); ++it) {
+ shared_ptr<Face> outFace = it->getFace();
+ if (outFace->getId() != inFace.getId()) {
+ this->sendInterest(pitEntry, outFace);
+ isPropagated = true;
+ }
+ }
+
+ if (!isPropagated) {
+ this->rebuffPendingInterest(pitEntry);
+ }
+}
+
+} // namespace fw
+} // namespace nfd
diff --git a/daemon/fw/broadcast-strategy.hpp b/daemon/fw/broadcast-strategy.hpp
new file mode 100644
index 0000000..7818e90
--- /dev/null
+++ b/daemon/fw/broadcast-strategy.hpp
@@ -0,0 +1,39 @@
+/* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
+/**
+ * Copyright (C) 2014 Named Data Networking Project
+ * See COPYING for copyright and distribution information.
+ */
+
+#ifndef NFD_FW_BROADCAST_STRATEGY_HPP
+#define NFD_FW_BROADCAST_STRATEGY_HPP
+
+#include "strategy.hpp"
+#include "forwarder.hpp"
+
+namespace nfd {
+namespace fw {
+
+/** \class BroadcastStrategy
+ * \brief a forwarding strategy that forwards Interest
+ * to all nexthops
+ */
+class BroadcastStrategy : public Strategy
+{
+public:
+ explicit
+ BroadcastStrategy(Forwarder& forwarder);
+
+ virtual
+ ~BroadcastStrategy();
+
+ virtual void
+ afterReceiveInterest(const Face& inFace,
+ const Interest& interest,
+ shared_ptr<fib::Entry> fibEntry,
+ shared_ptr<pit::Entry> pitEntry);
+};
+
+} // namespace fw
+} // namespace nfd
+
+#endif // NFD_FW_BROADCAST_STRATEGY_HPP
diff --git a/daemon/fw/strategy.hpp b/daemon/fw/strategy.hpp
index c565bd5..1ecbfc9 100644
--- a/daemon/fw/strategy.hpp
+++ b/daemon/fw/strategy.hpp
@@ -99,7 +99,7 @@
protected: // actions
/// send Interest to outFace
- void
+ VIRTUAL_WITH_TESTS void
sendInterest(shared_ptr<pit::Entry> pitEntry,
shared_ptr<Face> outFace);
@@ -108,7 +108,7 @@
* This shall not be called if the pending Interest has been
* forwarded earlier, and does not need to be resent now.
*/
- void
+ VIRTUAL_WITH_TESTS void
rebuffPendingInterest(shared_ptr<pit::Entry> pitEntry);
private: