1 files changed, 63 insertions, 0 deletions
diff --git a/dom/media/webrtc/sdp/SdpTelemetry.cpp b/dom/media/webrtc/sdp/SdpTelemetry.cpp
new file mode 100644
index 0000000000..7b3a6cec18
--- /dev/null
+++ b/dom/media/webrtc/sdp/SdpTelemetry.cpp
@@ -0,0 +1,63 @@
+/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/* vim: set ts=2 et sw=2 tw=80: */
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this file,
+ * You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+#include "sdp/SdpTelemetry.h"
+
+#include "mozilla/Telemetry.h"
+
+namespace mozilla {
+
+auto SdpTelemetry::RecordParse(const SdpTelemetry::Results& aResult,
+                               const SdpTelemetry::Modes& aMode,
+                               const SdpTelemetry::Roles& aRole) -> void {
+  Telemetry::ScalarAdd(Telemetry::ScalarID::WEBRTC_SDP_PARSER_DIFF,
+                       BucketNameFragment(aResult, aMode, aRole), 1);
+}
+
+auto SdpTelemetry::RecordCompare(const SdpTelemetry::Results& aFirst,
+                                 const SdpTelemetry::Results& aSecond,
+                                 const SdpTelemetry::Modes& aMode) -> void {
+  const nsAutoString bucket =
+      BucketNameFragment(aFirst, aMode, Roles::Primary) +
+      NS_ConvertASCIItoUTF16("__") +
+      BucketNameFragment(aSecond, aMode, Roles::Secondary);
+  Telemetry::ScalarAdd(Telemetry::ScalarID::WEBRTC_SDP_PARSER_DIFF, bucket, 1);
+}
+
+auto SdpTelemetry::BucketNameFragment(const SdpTelemetry::Results& aResult,
+                                      const SdpTelemetry::Modes& aMode,
+                                      const SdpTelemetry::Roles& aRole)
+    -> nsAutoString {
+  auto mode = [&]() -> std::string {
+    switch (aMode) {
+      case Modes::Parallel:
+        return "parallel";
+      case Modes::Failover:
+        return "failover";
+      case Modes::Never:
+        return "standalone";
+    }
+    MOZ_CRASH("Unknown SDP Parse Mode!");
+  };
+  auto role = [&]() -> std::string {
+    switch (aRole) {
+      case Roles::Primary:
+        return "primary";
+      case Roles::Secondary:
+        return "secondary";
+    }
+    MOZ_CRASH("Unknown SDP Parse Role!");
+  };
+  auto success = [&]() -> std::string {
+    return aResult->Ok() ? "success" : "failure";
+  };
+  nsAutoString name;
+  name.AssignASCII(nsCString(aResult->ParserName() + "_" + mode() + "_" +
+                             role() + "_" + success()));
+  return name;
+}
+
+}  // namespace mozilla