82 lines
1.9 KiB
Go
82 lines
1.9 KiB
Go
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package ice
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import (
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"net"
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)
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// CandidateRelay ...
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type CandidateRelay struct {
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candidateBase
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relayProtocol string
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onClose func() error
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}
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// CandidateRelayConfig is the config required to create a new CandidateRelay
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type CandidateRelayConfig struct {
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CandidateID string
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Network string
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Address string
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Port int
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Component uint16
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Priority uint32
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Foundation string
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RelAddr string
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RelPort int
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RelayProtocol string
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OnClose func() error
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}
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// NewCandidateRelay creates a new relay candidate
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func NewCandidateRelay(config *CandidateRelayConfig) (*CandidateRelay, error) {
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candidateID := config.CandidateID
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if candidateID == "" {
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candidateID = globalCandidateIDGenerator.Generate()
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}
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ip := net.ParseIP(config.Address)
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if ip == nil {
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return nil, ErrAddressParseFailed
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}
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networkType, err := determineNetworkType(config.Network, ip)
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if err != nil {
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return nil, err
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}
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return &CandidateRelay{
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candidateBase: candidateBase{
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id: candidateID,
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networkType: networkType,
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candidateType: CandidateTypeRelay,
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address: config.Address,
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port: config.Port,
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resolvedAddr: &net.UDPAddr{IP: ip, Port: config.Port},
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component: config.Component,
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foundationOverride: config.Foundation,
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priorityOverride: config.Priority,
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relatedAddress: &CandidateRelatedAddress{
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Address: config.RelAddr,
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Port: config.RelPort,
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},
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},
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relayProtocol: config.RelayProtocol,
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onClose: config.OnClose,
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}, nil
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}
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// RelayProtocol returns the protocol used between the endpoint and the relay server.
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func (c *CandidateRelay) RelayProtocol() string {
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return c.relayProtocol
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}
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func (c *CandidateRelay) close() error {
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err := c.candidateBase.close()
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if c.onClose != nil {
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err = c.onClose()
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c.onClose = nil
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}
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return err
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}
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