Adding upstream version 124.0.1.upstream/124.0.1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/third_party/libwebrtc/rtc_base/nat_types.cc b/third_party/libwebrtc/rtc_base/nat_types.cc
new file mode 100644
index 0000000000..9ca03608e8
--- /dev/null
+++ b/third_party/libwebrtc/rtc_base/nat_types.cc
@@ -0,0 +1,61 @@
+/*
+ *  Copyright 2004 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 "rtc_base/nat_types.h"
+
+#include "rtc_base/checks.h"
+
+namespace rtc {
+
+class SymmetricNAT : public NAT {
+ public:
+  bool IsSymmetric() override { return true; }
+  bool FiltersIP() override { return true; }
+  bool FiltersPort() override { return true; }
+};
+
+class OpenConeNAT : public NAT {
+ public:
+  bool IsSymmetric() override { return false; }
+  bool FiltersIP() override { return false; }
+  bool FiltersPort() override { return false; }
+};
+
+class AddressRestrictedNAT : public NAT {
+ public:
+  bool IsSymmetric() override { return false; }
+  bool FiltersIP() override { return true; }
+  bool FiltersPort() override { return false; }
+};
+
+class PortRestrictedNAT : public NAT {
+ public:
+  bool IsSymmetric() override { return false; }
+  bool FiltersIP() override { return true; }
+  bool FiltersPort() override { return true; }
+};
+
+NAT* NAT::Create(NATType type) {
+  switch (type) {
+    case NAT_OPEN_CONE:
+      return new OpenConeNAT();
+    case NAT_ADDR_RESTRICTED:
+      return new AddressRestrictedNAT();
+    case NAT_PORT_RESTRICTED:
+      return new PortRestrictedNAT();
+    case NAT_SYMMETRIC:
+      return new SymmetricNAT();
+    default:
+      RTC_DCHECK_NOTREACHED();
+      return 0;
+  }
+}
+
+}  // namespace rtc