1 files changed, 40 insertions, 0 deletions
diff --git a/third_party/libwebrtc/net/dcsctp/socket/packet_sender.h b/third_party/libwebrtc/net/dcsctp/socket/packet_sender.h
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+++ b/third_party/libwebrtc/net/dcsctp/socket/packet_sender.h
@@ -0,0 +1,40 @@
+/*
+ *  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_SOCKET_PACKET_SENDER_H_
+#define NET_DCSCTP_SOCKET_PACKET_SENDER_H_
+
+#include "net/dcsctp/packet/sctp_packet.h"
+#include "net/dcsctp/public/dcsctp_socket.h"
+
+namespace dcsctp {
+
+// The PacketSender sends packets to the network using the provided callback
+// interface. When an attempt to send a packet is made, the `on_sent_packet`
+// callback will be triggered.
+class PacketSender {
+ public:
+  PacketSender(DcSctpSocketCallbacks& callbacks,
+               std::function<void(rtc::ArrayView<const uint8_t>,
+                                  SendPacketStatus)> on_sent_packet);
+
+  // Sends the packet, and returns true if it was sent successfully.
+  bool Send(SctpPacket::Builder& builder);
+
+ private:
+  DcSctpSocketCallbacks& callbacks_;
+
+  // Callback that will be triggered for every send attempt, indicating the
+  // status of the operation.
+  std::function<void(rtc::ArrayView<const uint8_t>, SendPacketStatus)>
+      on_sent_packet_;
+};
+}  // namespace dcsctp
+
+#endif  // NET_DCSCTP_SOCKET_PACKET_SENDER_H_