yggdrasil-network/yggdrasil-go
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Allow updating Listen during runtime

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This commit is contained in:
Neil Alexander 2018-12-30 15:21:09 +00:00
parent f96747181d
commit cb4495902b
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GPG key ID: A02A2019A2BB0944
3 changed files with 62 additions and 15 deletions
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16
src/yggdrasil/multicast.go
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@ -4,6 +4,7 @@ import (
"context"
"fmt"
"net"
"sync"
"time"
"golang.org/x/net/ipv6"
@ -14,6 +15,8 @@ type multicast struct {
reconfigure chan chan error
sock *ipv6.PacketConn
groupAddr string
myAddr *net.TCPAddr
myAddrMutex sync.RWMutex
}
func (m *multicast) init(core *Core) {
@ -23,6 +26,9 @@ func (m *multicast) init(core *Core) {
for {
select {
case e := <-m.reconfigure:
m.myAddrMutex.Lock()
m.myAddr = m.core.tcp.getAddr()
m.myAddrMutex.Unlock()
e <- nil
}
}
@ -95,13 +101,14 @@ func (m *multicast) interfaces() []net.Interface {
}
func (m *multicast) announce() {
var anAddr net.TCPAddr
m.myAddrMutex.Lock()
m.myAddr = m.core.tcp.getAddr()
m.myAddrMutex.Unlock()
groupAddr, err := net.ResolveUDPAddr("udp6", m.groupAddr)
if err != nil {
panic(err)
}
var anAddr net.TCPAddr
myAddr := m.core.tcp.getAddr()
anAddr.Port = myAddr.Port
destAddr, err := net.ResolveUDPAddr("udp6", m.groupAddr)
if err != nil {
panic(err)
@ -113,6 +120,9 @@ func (m *multicast) announce() {
if err != nil {
panic(err)
}
m.myAddrMutex.RLock()
anAddr.Port = m.myAddr.Port
m.myAddrMutex.RUnlock()
for _, addr := range addrs {
addrIP, _, _ := net.ParseCIDR(addr.String())
if addrIP.To4() != nil {