1 files changed, 54 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/public/dcsctp_message.h b/third_party/libwebrtc/net/dcsctp/public/dcsctp_message.h
new file mode 100644
index 0000000000..38e6763916
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+++ b/third_party/libwebrtc/net/dcsctp/public/dcsctp_message.h
@@ -0,0 +1,54 @@
+/*
+ *  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.
+ */
+#ifndef NET_DCSCTP_PUBLIC_DCSCTP_MESSAGE_H_
+#define NET_DCSCTP_PUBLIC_DCSCTP_MESSAGE_H_
+
+#include <cstdint>
+#include <utility>
+#include <vector>
+
+#include "api/array_view.h"
+#include "net/dcsctp/public/types.h"
+
+namespace dcsctp {
+
+// An SCTP message is a group of bytes sent and received as a whole on a
+// specified stream identifier (`stream_id`), and with a payload protocol
+// identifier (`ppid`).
+class DcSctpMessage {
+ public:
+  DcSctpMessage(StreamID stream_id, PPID ppid, std::vector<uint8_t> payload)
+      : stream_id_(stream_id), ppid_(ppid), payload_(std::move(payload)) {}
+
+  DcSctpMessage(DcSctpMessage&& other) = default;
+  DcSctpMessage& operator=(DcSctpMessage&& other) = default;
+  DcSctpMessage(const DcSctpMessage&) = delete;
+  DcSctpMessage& operator=(const DcSctpMessage&) = delete;
+
+  // The stream identifier to which the message is sent.
+  StreamID stream_id() const { return stream_id_; }
+
+  // The payload protocol identifier (ppid) associated with the message.
+  PPID ppid() const { return ppid_; }
+
+  // The payload of the message.
+  rtc::ArrayView<const uint8_t> payload() const { return payload_; }
+
+  // When destructing the message, extracts the payload.
+  std::vector<uint8_t> ReleasePayload() && { return std::move(payload_); }
+
+ private:
+  StreamID stream_id_;
+  PPID ppid_;
+  std::vector<uint8_t> payload_;
+};
+}  // namespace dcsctp
+
+#endif  // NET_DCSCTP_PUBLIC_DCSCTP_MESSAGE_H_