66 lines
1.7 KiB
Go
66 lines
1.7 KiB
Go
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package webrtc
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import (
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"encoding/json"
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)
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// ICETransportPolicy defines the ICE candidate policy surface the
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// permitted candidates. Only these candidates are used for connectivity checks.
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type ICETransportPolicy int
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// ICEGatherPolicy is the ORTC equivalent of ICETransportPolicy
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type ICEGatherPolicy = ICETransportPolicy
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const (
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// ICETransportPolicyAll indicates any type of candidate is used.
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ICETransportPolicyAll ICETransportPolicy = iota
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// ICETransportPolicyRelay indicates only media relay candidates such
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// as candidates passing through a TURN server are used.
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ICETransportPolicyRelay
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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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iceTransportPolicyRelayStr = "relay"
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iceTransportPolicyAllStr = "all"
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)
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// NewICETransportPolicy takes a string and converts it to ICETransportPolicy
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func NewICETransportPolicy(raw string) ICETransportPolicy {
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switch raw {
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case iceTransportPolicyRelayStr:
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return ICETransportPolicyRelay
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case iceTransportPolicyAllStr:
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return ICETransportPolicyAll
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default:
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return ICETransportPolicy(Unknown)
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}
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}
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func (t ICETransportPolicy) String() string {
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switch t {
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case ICETransportPolicyRelay:
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return iceTransportPolicyRelayStr
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case ICETransportPolicyAll:
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return iceTransportPolicyAllStr
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default:
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return ErrUnknownType.Error()
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}
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}
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// UnmarshalJSON parses the JSON-encoded data and stores the result
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func (t *ICETransportPolicy) UnmarshalJSON(b []byte) error {
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var val string
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if err := json.Unmarshal(b, &val); err != nil {
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return err
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}
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*t = NewICETransportPolicy(val)
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return nil
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}
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// MarshalJSON returns the JSON encoding
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func (t ICETransportPolicy) MarshalJSON() ([]byte, error) {
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return json.Marshal(t.String())
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}
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