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server/vendor/github.com/pion/ice/v2/candidate_host.go

@@ -0,0 +1,80 @@
+// SPDX-FileCopyrightText: 2023 The Pion community <https://pion.ly>
+// SPDX-License-Identifier: MIT
+
+package ice
+
+import (
+	"net"
+	"strings"
+)
+
+// CandidateHost is a candidate of type host
+type CandidateHost struct {
+	candidateBase
+
+	network string
+}
+
+// CandidateHostConfig is the config required to create a new CandidateHost
+type CandidateHostConfig struct {
+	CandidateID string
+	Network     string
+	Address     string
+	Port        int
+	Component   uint16
+	Priority    uint32
+	Foundation  string
+	TCPType     TCPType
+}
+
+// NewCandidateHost creates a new host candidate
+func NewCandidateHost(config *CandidateHostConfig) (*CandidateHost, error) {
+	candidateID := config.CandidateID
+
+	if candidateID == "" {
+		candidateID = globalCandidateIDGenerator.Generate()
+	}
+
+	c := &CandidateHost{
+		candidateBase: candidateBase{
+			id:                    candidateID,
+			address:               config.Address,
+			candidateType:         CandidateTypeHost,
+			component:             config.Component,
+			port:                  config.Port,
+			tcpType:               config.TCPType,
+			foundationOverride:    config.Foundation,
+			priorityOverride:      config.Priority,
+			remoteCandidateCaches: map[AddrPort]Candidate{},
+		},
+		network: config.Network,
+	}
+
+	if !strings.HasSuffix(config.Address, ".local") {
+		ip := net.ParseIP(config.Address)
+		if ip == nil {
+			return nil, ErrAddressParseFailed
+		}
+
+		if err := c.setIP(ip); err != nil {
+			return nil, err
+		}
+	} else {
+		// Until mDNS candidate is resolved assume it is UDPv4
+		c.candidateBase.networkType = NetworkTypeUDP4
+	}
+
+	return c, nil
+}
+
+func (c *CandidateHost) setIP(ip net.IP) error {
+	networkType, err := determineNetworkType(c.network, ip)
+	if err != nil {
+		return err
+	}
+
+	c.candidateBase.networkType = networkType
+	c.candidateBase.resolvedAddr = createAddr(networkType, ip, c.port)
+
+	return nil
+}