Source File
	candidate_server_reflexive.go

Belonging Package
	github.com/pion/ice/v4

// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
// SPDX-License-Identifier: MIT

package ice

import (
	"net"
	"net/netip"
)

// CandidateServerReflexive ...
type CandidateServerReflexive struct {
	candidateBase
}

// CandidateServerReflexiveConfig is the config required to create a new CandidateServerReflexive.
type CandidateServerReflexiveConfig struct {
	CandidateID string
	Network     string
	Address     string
	Port        int
	Component   uint16
	Priority    uint32
	Foundation  string
	RelAddr     string
	RelPort     int
}

// NewCandidateServerReflexive creates a new server reflective candidate.
func NewCandidateServerReflexive(config *CandidateServerReflexiveConfig) (*CandidateServerReflexive, error) {
	ipAddr, err := netip.ParseAddr(config.Address)
	if err != nil {
		return nil, err
	}

	networkType, err := determineNetworkType(config.Network, ipAddr)
	if err != nil {
		return nil, err
	}

	candidateID := config.CandidateID
	if candidateID == "" {
		candidateID = globalCandidateIDGenerator.Generate()
	}

	return &CandidateServerReflexive{
		candidateBase: candidateBase{
			id:            candidateID,
			networkType:   networkType,
			candidateType: CandidateTypeServerReflexive,
			address:       config.Address,
			port:          config.Port,
			resolvedAddr: &net.UDPAddr{
				IP:   ipAddr.AsSlice(),
				Port: config.Port,
				Zone: ipAddr.Zone(),
			},
			component:          config.Component,
			foundationOverride: config.Foundation,
			priorityOverride:   config.Priority,
			relatedAddress: &CandidateRelatedAddress{
				Address: config.RelAddr,
				Port:    config.RelPort,
			},
			remoteCandidateCaches: map[AddrPort]Candidate{},
		},
	}, nil
}

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