unistack-org/mdns
4
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixes new client or server creation failure when one of ipv4 or ipv6 is unavailable

Browse Source
This commit is contained in:
Nikos Kitmeridis 2019-05-22 22:53:26 +03:00
parent 3a29b6675e
commit a56f86575d
2 changed files with 23 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
client.go
View File

@ -191,6 +191,13 @@ func newClient() (*client, error) {
return nil, fmt.Errorf("failed to bind to any unicast udp port") return nil, fmt.Errorf("failed to bind to any unicast udp port")
} }
if uconn4 == nil {
uconn4 = &net.UDPConn{}
}
if uconn6 == nil {
uconn6 = &net.UDPConn{}
}
mconn4, err := net.ListenUDP("udp4", mdnsWildcardAddrIPv4) mconn4, err := net.ListenUDP("udp4", mdnsWildcardAddrIPv4)
if err != nil { if err != nil {
log.Printf("[ERR] mdns: Failed to bind to udp4 port: %v", err) log.Printf("[ERR] mdns: Failed to bind to udp4 port: %v", err)
@ -204,6 +211,13 @@ func newClient() (*client, error) {
return nil, fmt.Errorf("failed to bind to any multicast udp port") return nil, fmt.Errorf("failed to bind to any multicast udp port")
} }
if mconn4 == nil {
mconn4 = &net.UDPConn{}
}
if mconn6 == nil {
mconn6 = &net.UDPConn{}
}
p1 := ipv4.NewPacketConn(mconn4) p1 := ipv4.NewPacketConn(mconn4)
p2 := ipv6.NewPacketConn(mconn6) p2 := ipv6.NewPacketConn(mconn6)

12
server.go
View File

@ -73,6 +73,13 @@ func NewServer(config *Config) (*Server, error) {
return nil, fmt.Errorf("[ERR] mdns: Failed to bind to any udp port!") return nil, fmt.Errorf("[ERR] mdns: Failed to bind to any udp port!")
} }
if ipv4List == nil {
ipv4List = &net.UDPConn{}
}
if ipv6List == nil {
ipv6List = &net.UDPConn{}
}
// Join multicast groups to receive announcements // Join multicast groups to receive announcements
p1 := ipv4.NewPacketConn(ipv4List) p1 := ipv4.NewPacketConn(ipv4List)
p2 := ipv6.NewPacketConn(ipv6List) p2 := ipv6.NewPacketConn(ipv6List)
@ -112,13 +119,8 @@ func NewServer(config *Config) (*Server, error) {
shutdownCh: make(chan struct{}), shutdownCh: make(chan struct{}),
} }
if ipv4List != nil {
go s.recv(s.ipv4List) go s.recv(s.ipv4List)
}
if ipv6List != nil {
go s.recv(s.ipv6List) go s.recv(s.ipv6List)
}
s.wg.Add(1) s.wg.Add(1)
go s.probe() go s.probe()