[HICN-534] Major rework on libtransport organization

Change-Id: I361b83a18b4fd59be136d5f0817fc28e17e89884
Signed-off-by: Mauro Sardara <msardara@cisco.com>

1 files changed, 92 insertions, 0 deletions

diff --git a/libtransport/src/protocols/protocol.h b/libtransport/src/protocols/protocol.h
new file mode 100644
index 000000000..c094adaae
--- /dev/null
+++ b/libtransport/src/protocols/protocol.h
@@ -0,0 +1,92 @@
+/*
+ * Copyright (c) 2017-2019 Cisco and/or its affiliates.
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at:
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#pragma once
+
+#include <atomic>
+
+#include <hicn/transport/interfaces/statistics.h>
+#include <hicn/transport/utils/object_pool.h>
+
+#include <implementation/socket.h>
+#include <protocols/data_processing_events.h>
+#include <protocols/indexer.h>
+#include <protocols/packet_manager.h>
+#include <protocols/reassembly.h>
+
+namespace transport {
+
+namespace protocol {
+
+using namespace core;
+
+class IndexVerificationManager;
+
+class TransportProtocolCallback {
+  virtual void onContentObject(const core::Interest &interest,
+                               const core::ContentObject &content_object) = 0;
+  virtual void onTimeout(const core::Interest &interest) = 0;
+};
+
+class TransportProtocol : public implementation::BasePortal::ConsumerCallback,
+                          public PacketManager<Interest>,
+                          public ContentObjectProcessingEventCallback {
+  static constexpr std::size_t interest_pool_size = 4096;
+
+  friend class ManifestIndexManager;
+
+ public:
+  TransportProtocol(implementation::ConsumerSocket *icn_socket,
+                    Reassembly *reassembly_protocol);
+
+  virtual ~TransportProtocol() = default;
+
+  TRANSPORT_ALWAYS_INLINE bool isRunning() { return is_running_; }
+
+  virtual int start();
+
+  virtual void stop();
+
+  virtual void resume();
+
+  virtual bool verifyKeyPackets() = 0;
+
+  virtual void scheduleNextInterests() = 0;
+
+  // Events generated by the indexing
+  virtual void onContentReassembled(std::error_code ec);
+  virtual void onPacketDropped(Interest::Ptr &&interest,
+                               ContentObject::Ptr &&content_object) = 0;
+  virtual void onReassemblyFailed(std::uint32_t missing_segment) = 0;
+
+ protected:
+  // Consumer Callback
+  virtual void reset() = 0;
+  virtual void onContentObject(Interest::Ptr &&i, ContentObject::Ptr &&c) = 0;
+  virtual void onTimeout(Interest::Ptr &&i) = 0;
+
+ protected:
+  implementation::ConsumerSocket *socket_;
+  std::unique_ptr<Reassembly> reassembly_protocol_;
+  std::unique_ptr<IndexManager> index_manager_;
+  std::shared_ptr<implementation::BasePortal> portal_;
+  std::atomic<bool> is_running_;
+  // True if it si the first time we schedule an interest
+  std::atomic<bool> is_first_;
+  interface::TransportStatistics *stats_;
+};
+
+}  // end namespace protocol
+}  // end namespace transport