[HICN-103] Manifest retransmissions.

Change-Id: I1b61c79e99bb8da471d1e284ea2a629d48b9f308
Signed-off-by: Mauro Sardara <msardara@cisco.com>

3 files changed, 41 insertions, 2 deletions

diff --git a/libtransport/src/hicn/transport/interfaces/socket_producer.cc b/libtransport/src/hicn/transport/interfaces/socket_producer.cc
index d89fc9367..7a513349d 100644
--- a/libtransport/src/hicn/transport/interfaces/socket_producer.cc
+++ b/libtransport/src/hicn/transport/interfaces/socket_producer.cc
@@ -300,6 +300,10 @@ uint32_t ProducerSocket::produce(Name content_name, const uint8_t *buf,
       manifest->setFinalManifest(is_last_manifest);
     }
 
+    if (!is_last) {
+      manifest->addSuffixHash(current_segment, *zero_hash);
+    }
+
     manifest->encode();
     identity_->getSigner().sign(*manifest);
     passContentObjectToCallbacks(manifest);
diff --git a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
index 2d7d8de3e..cfefe46a1 100644
--- a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
+++ b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.cc
@@ -123,8 +123,13 @@ bool ManifestIndexManager::onManifest(
           interest->setLifetime(interest_lifetime);
 
           // Send requests for manifest out of the congestion window (no
-          // in_flight_interest++)
-          portal->sendInterest(std::move(interest));
+          // in_flight_interests++)
+          portal->sendInterest(
+              std::move(interest),
+              std::bind(&ManifestIndexManager::onManifestReceived, this,
+                        std::placeholders::_1, std::placeholders::_2),
+              std::bind(&ManifestIndexManager::onManifestTimeout, this,
+                        std::placeholders::_1));
         } while (segment_count < current_window_size &&
                  next_manifest_ < final_suffix_);
 
@@ -142,6 +147,32 @@ bool ManifestIndexManager::onManifest(
   return manifest_verified;
 }
 
+void ManifestIndexManager::onManifestReceived(Interest::Ptr &&i, ContentObject::Ptr &&c) {
+  onManifest(std::move(c));
+}
+
+void ManifestIndexManager::onManifestTimeout(Interest::Ptr &&i) {
+  const Name &n = i->getName();
+  uint32_t segment = n.getSuffix();
+
+  if (segment > final_suffix_) {
+    return;
+  }
+
+  // Get portal
+  std::shared_ptr<interface::BasePortal> portal;
+  socket_->getSocketOption(GeneralTransportOptions::PORTAL, portal);
+
+  // Send requests for manifest out of the congestion window (no
+  // in_flight_interests++)
+  portal->sendInterest(
+      std::move(i),
+      std::bind(&ManifestIndexManager::onManifestReceived, this,
+                std::placeholders::_1, std::placeholders::_2),
+      std::bind(&ManifestIndexManager::onManifestTimeout, this,
+                std::placeholders::_1));
+}
+
 bool ManifestIndexManager::onContentObject(
     const core::ContentObject &content_object) {
   bool verify_signature;
diff --git a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h
index ee2c531c7..5e1baa09c 100644
--- a/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h
+++ b/libtransport/src/hicn/transport/protocols/manifest_indexing_manager.h
@@ -50,6 +50,10 @@ class ManifestIndexManager : public IncrementalIndexManager,
 
   uint32_t getFinalSuffix() override;
 
+ private:
+  void onManifestReceived(Interest::Ptr &&i, ContentObject::Ptr &&c);
+  void onManifestTimeout(Interest::Ptr &&i);
+
  protected:
   SuffixQueue suffix_queue_;
   SuffixQueue::iterator next_reassembly_segment_;