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13450332a4
This commit replaces the Unknown constant with separate constants for each enumeration that uses it. Fixes #1293
79 lines
2.2 KiB
Go
79 lines
2.2 KiB
Go
// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
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// SPDX-License-Identifier: MIT
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package webrtc
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// DataChannelState indicates the state of a data channel.
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type DataChannelState int
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const (
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// DataChannelStateUnknown is the enum's zero-value
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DataChannelStateUnknown DataChannelState = iota
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// DataChannelStateConnecting indicates that the data channel is being
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// established. This is the initial state of DataChannel, whether created
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// with CreateDataChannel, or dispatched as a part of an DataChannelEvent.
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DataChannelStateConnecting
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// DataChannelStateOpen indicates that the underlying data transport is
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// established and communication is possible.
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DataChannelStateOpen
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// DataChannelStateClosing indicates that the procedure to close down the
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// underlying data transport has started.
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DataChannelStateClosing
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// DataChannelStateClosed indicates that the underlying data transport
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// has been closed or could not be established.
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DataChannelStateClosed
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)
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// This is done this way because of a linter.
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const (
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dataChannelStateConnectingStr = "connecting"
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dataChannelStateOpenStr = "open"
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dataChannelStateClosingStr = "closing"
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dataChannelStateClosedStr = "closed"
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)
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func newDataChannelState(raw string) DataChannelState {
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switch raw {
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case dataChannelStateConnectingStr:
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return DataChannelStateConnecting
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case dataChannelStateOpenStr:
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return DataChannelStateOpen
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case dataChannelStateClosingStr:
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return DataChannelStateClosing
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case dataChannelStateClosedStr:
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return DataChannelStateClosed
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default:
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return DataChannelStateUnknown
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}
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}
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func (t DataChannelState) String() string {
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switch t {
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case DataChannelStateConnecting:
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return dataChannelStateConnectingStr
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case DataChannelStateOpen:
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return dataChannelStateOpenStr
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case DataChannelStateClosing:
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return dataChannelStateClosingStr
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case DataChannelStateClosed:
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return dataChannelStateClosedStr
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default:
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return ErrUnknownType.Error()
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}
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}
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// MarshalText implements encoding.TextMarshaler
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func (t DataChannelState) MarshalText() ([]byte, error) {
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return []byte(t.String()), nil
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}
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// UnmarshalText implements encoding.TextUnmarshaler
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func (t *DataChannelState) UnmarshalText(b []byte) error {
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*t = newDataChannelState(string(b))
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return nil
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}
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