diff --git a/tools/get/statistics-collector.cpp b/tools/get/statistics-collector.cpp
new file mode 100644
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--- /dev/null
+++ b/tools/get/statistics-collector.cpp
@@ -0,0 +1,50 @@
+/*
+ * Copyright (c) 2016-2025,  Regents of the University of California,
+ *                           Colorado State University,
+ *                           University Pierre & Marie Curie, Sorbonne University.
+ *
+ * This file is part of ndn-tools (Named Data Networking Essential Tools).
+ * See AUTHORS.md for complete list of ndn-tools authors and contributors.
+ *
+ * ndn-tools is free software: you can redistribute it and/or modify it under the terms
+ * of the GNU General Public License as published by the Free Software Foundation,
+ * either version 3 of the License, or (at your option) any later version.
+ *
+ * ndn-tools is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
+ * without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+ * PURPOSE.  See the GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along with
+ * ndn-tools, e.g., in COPYING.md file.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ * See AUTHORS.md for complete list of ndn-cxx authors and contributors.
+ *
+ * @author Weiwei Liu
+ */
+
+#include "statistics-collector.hpp"
+
+namespace ndn::get {
+
+StatisticsCollector::StatisticsCollector(PipelineInterestsAdaptive& pipeline,
+                                         std::ostream& osCwnd, std::ostream& osRtt)
+  : m_osCwnd(osCwnd)
+  , m_osRtt(osRtt)
+{
+  m_osCwnd << "time\tcwndsize\n";
+  m_osRtt  << "segment\trtt\trttvar\tsrtt\trto\n";
+
+  pipeline.afterCwndChange.connect([this] (time::nanoseconds timeElapsed, double cwnd) {
+    m_osCwnd << timeElapsed.count() / 1e9 << '\t' << cwnd << '\n';
+  });
+
+  pipeline.afterRttMeasurement.connect([this] (const auto& sample) {
+    m_osRtt << sample.segNum << '\t'
+            << sample.rtt.count() / 1e6 << '\t'
+            << sample.rttVar.count() / 1e6 << '\t'
+            << sample.sRtt.count() / 1e6 << '\t'
+            << sample.rto.count() / 1e6 << '\n';
+  });
+}
+
+} // namespace ndn::get