[HICN-332] add output buffer to the RTC producer socket

Signed-off-by: michele papalini <micpapal@cisco.com>
Change-Id: I119f2a4b4b7153e8da7ca891112f4f0ddf8251e5

1 files changed, 37 insertions, 8 deletions

diff --git a/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc b/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc
index 740f9f77c..8ca27d24c 100644
--- a/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc
+++ b/libtransport/src/hicn/transport/interfaces/rtc_socket_producer.cc
@@ -70,6 +70,7 @@ RTCProducerSocket::RTCProducerSocket(asio::io_service &io_service)
                                            this->getIoService());
   round_timer_ = std::make_unique<asio::steady_timer>(
                                            this->getIoService());
+  setSocketOption(GeneralTransportOptions::OUTPUT_BUFFER_SIZE, 10000U);
   scheduleRoundTimer();
 }
 
@@ -88,6 +89,7 @@ RTCProducerSocket::RTCProducerSocket()
                                            this->getIoService());
   round_timer_ = std::make_unique<asio::steady_timer>(
                                            this->getIoService());
+  setSocketOption(GeneralTransportOptions::OUTPUT_BUFFER_SIZE, 10000U);
   scheduleRoundTimer();
 }
 
@@ -148,24 +150,31 @@ void RTCProducerSocket::produce(std::unique_ptr<utils::MemBuf> &&buffer) {
   producedBytes_ += (uint32_t)(buffer_size + headerSize_ + TIMESTAMP_LEN);
   producedPackets_++;
 
-  ContentObject content_object(flowName_.setSuffix(currentSeg_));
-
+  auto content_object = std::make_shared<ContentObject>(
+                              flowName_.setSuffix(currentSeg_));
   auto payload = utils::MemBuf::create(TIMESTAMP_LEN);
 
   memcpy(payload->writableData(), &now, TIMESTAMP_LEN);
   payload->append(TIMESTAMP_LEN);
   payload->prependChain(std::move(buffer));
-  content_object.appendPayload(std::move(payload));
+  content_object->appendPayload(std::move(payload));
 
-  content_object.setLifetime(500);  // XXX this should be set by the APP
+  content_object->setLifetime(500);  // XXX this should be set by the APP
 
-  content_object.setPathLabel(prodLabel_);
+  content_object->setPathLabel(prodLabel_);
 
-  if (on_content_object_output_ != VOID_HANDLER) {
-    on_content_object_output_(*this, content_object);
+  output_buffer_.insert(std::static_pointer_cast<ContentObject>(
+      content_object->shared_from_this()));
+
+  if (on_content_object_in_output_buffer_ != VOID_HANDLER) {
+    on_content_object_in_output_buffer_(*this, *content_object);
   }
 
-  portal_->sendContentObject(content_object);
+  portal_->sendContentObject(*content_object);
+
+  if (on_content_object_output_ != VOID_HANDLER) {
+    on_content_object_output_(*this, *content_object);
+  }
 
   //remove interests from the interest cache if it exists
   if(!seqs_map_.empty()){
@@ -205,6 +214,26 @@ void RTCProducerSocket::onInterest(Interest::Ptr &&interest) {
     return;
   }
 
+  const std::shared_ptr<ContentObject> content_object =
+      output_buffer_.find(*interest);
+
+  if (content_object) {
+    if (on_interest_satisfied_output_buffer_ != VOID_HANDLER) {
+      on_interest_satisfied_output_buffer_(*this, *interest);
+    }
+
+    if (on_content_object_output_ != VOID_HANDLER) {
+      on_content_object_output_(*this, *content_object);
+    }
+
+    portal_->sendContentObject(*content_object);
+    return;
+  } else {
+    if (on_interest_process_ != VOID_HANDLER) {
+      on_interest_process_(*this, *interest);
+    }
+  }
+
   // if the production rate is less than MIN_PRODUCTION_RATE we put the
   // interest in a queue, otherwise we handle it in the usual way
   if(packetsProductionRate_.load() < MIN_PRODUCTION_RATE && interestSeg >= currentSeg_){