1 files changed, 37 insertions, 0 deletions
diff --git a/net/dcsctp/tx/retransmission_error_counter.cc b/net/dcsctp/tx/retransmission_error_counter.cc
new file mode 100644
index 0000000000..111b6efe96
--- /dev/null
+++ b/net/dcsctp/tx/retransmission_error_counter.cc
@@ -0,0 +1,37 @@
+/*
+ *  Copyright (c) 2021 The WebRTC project authors. All Rights Reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+#include "net/dcsctp/tx/retransmission_error_counter.h"
+
+#include "absl/strings/string_view.h"
+#include "rtc_base/logging.h"
+
+namespace dcsctp {
+bool RetransmissionErrorCounter::Increment(absl::string_view reason) {
+  ++counter_;
+  if (counter_ > limit_) {
+    RTC_DLOG(LS_INFO) << log_prefix_ << reason
+                      << ", too many retransmissions, counter=" << counter_;
+    return false;
+  }
+
+  RTC_DLOG(LS_VERBOSE) << log_prefix_ << reason << ", new counter=" << counter_
+                       << ", max=" << limit_;
+  return true;
+}
+
+void RetransmissionErrorCounter::Clear() {
+  if (counter_ > 0) {
+    RTC_DLOG(LS_VERBOSE) << log_prefix_
+                         << "recovered from counter=" << counter_;
+    counter_ = 0;
+  }
+}
+
+}  // namespace dcsctp