From 20a773677230374ffa2d5d140f7d46032fb7bc9d Mon Sep 17 00:00:00 2001
From: Mauro Sardara <msardara@cisco.com>
Date: Fri, 18 Sep 2020 17:39:03 +0200
Subject: Revert to [HICN-638] Check if systemd is running before enabling
 hicn-light service

Signed-off-by: Mauro Sardara <msardara@cisco.com>
Change-Id: I1810d96e001a4e6e097e1efa331b682af750925d
---
 libtransport/src/protocols/raaqm.h | 55 +++++++++++++++++++++++++++++++-------
 1 file changed, 46 insertions(+), 9 deletions(-)

(limited to 'libtransport/src/protocols/raaqm.h')

diff --git a/libtransport/src/protocols/raaqm.h b/libtransport/src/protocols/raaqm.h
index 2999b50cf..fce4194d4 100644
--- a/libtransport/src/protocols/raaqm.h
+++ b/libtransport/src/protocols/raaqm.h
@@ -20,7 +20,6 @@
 #include <protocols/congestion_window_protocol.h>
 #include <protocols/protocol.h>
 #include <protocols/raaqm_data_path.h>
-#include <protocols/raaqm_transport_algorithm.h>
 #include <protocols/rate_estimation.h>
 
 #include <queue>
@@ -30,7 +29,8 @@ namespace transport {
 
 namespace protocol {
 
-class RaaqmTransportProtocol : public TransportProtocol {
+class RaaqmTransportProtocol : public TransportProtocol,
+                               public CWindowProtocol {
  public:
   RaaqmTransportProtocol(implementation::ConsumerSocket *icnet_socket);
 
@@ -51,6 +51,16 @@ class RaaqmTransportProtocol : public TransportProtocol {
   using PathTable =
       std::unordered_map<uint32_t, std::unique_ptr<RaaqmDataPath>>;
 
+  void increaseWindow() override;
+  void decreaseWindow() override;
+
+  virtual void afterContentReception(const Interest &interest,
+                                     const ContentObject &content_object);
+  virtual void afterDataUnsatisfied(uint64_t segment);
+
+  virtual void updateStats(uint32_t suffix, uint64_t rtt,
+                           utils::TimePoint &now);
+
  private:
   void init();
 
@@ -76,21 +86,48 @@ class RaaqmTransportProtocol : public TransportProtocol {
 
   void updateRtt(uint64_t segment);
 
+  void RAAQM();
+
+  void updatePathTable(const ContentObject &content_object);
+
+  void checkDropProbability();
+
+  void checkForStalePaths();
+
+  void printRtt();
+
  protected:
-  std::queue<Interest::Ptr> interest_to_retransmit_;
-  std::array<std::uint32_t, buffer_size> interest_retransmissions_;
-  uint32_t interests_in_flight_;
+  // Congestion window management
   double current_window_size_;
+  // Protocol management
+  uint64_t interests_in_flight_;
+  std::array<std::uint32_t, buffer_size> interest_retransmissions_;
+  std::array<utils::TimePoint, buffer_size> interest_timepoints_;
+  std::queue<Interest::Ptr> interest_to_retransmit_;
 
  private:
-  std::unique_ptr<TransportAlgorithm> raaqm_algorithm_;
-  std::unique_ptr<IcnRateEstimator> rate_estimator_;
+  /**
+   * Current download path
+   */
+  RaaqmDataPath *cur_path_;
+
+  /**
+   * Hash table for path: each entry is a pair path ID(key) - path object
+   */
+  PathTable path_table_;
+
   // TimePoints for statistic
   utils::TimePoint t0_;
 
-  // Temporary placeholder for RAAQM algorithm
-  // parameters
+  bool set_interest_filter_;
+
+  // for rate-estimation at packet level
+  IcnRateEstimator *rate_estimator_;
+
+  // params for autotuning
   bool raaqm_autotune_;
+  double default_beta_;
+  double default_drop_;
   double beta_wifi_;
   double drop_wifi_;
   double beta_lte_;
-- 
cgit 1.2.3-korg