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server/vendor/github.com/pion/datachannel/message_channel_ack.go

@@ -0,0 +1,29 @@
+// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+package datachannel
+
+// channelAck is used to ACK a DataChannel open
+type channelAck struct{}
+
+const (
+	channelOpenAckLength = 4
+)
+
+// Marshal returns raw bytes for the given message
+func (c *channelAck) Marshal() ([]byte, error) {
+	raw := make([]byte, channelOpenAckLength)
+	raw[0] = uint8(dataChannelAck)
+
+	return raw, nil
+}
+
+// Unmarshal populates the struct with the given raw data
+func (c *channelAck) Unmarshal(_ []byte) error {
+	// Message type already checked in Parse and there is no further data
+	return nil
+}
+
+func (c channelAck) String() string {
+	return "ACK"
+}