77 lines
1.6 KiB
Go
77 lines
1.6 KiB
Go
|
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,
|
||
|
},
|
||
|
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
|
||
|
}
|