mirror of
https://github.com/cwinfo/yggdrasil-go.git
synced 2024-11-25 23:01:38 +00:00
possibly reduce multicast cpu usage even more
This commit is contained in:
parent
127b7e311c
commit
02e1cb180d
@ -36,6 +36,8 @@ type Multicast struct {
|
|||||||
isOpen bool
|
isOpen bool
|
||||||
monitor *time.Timer
|
monitor *time.Timer
|
||||||
platformhandler *time.Timer
|
platformhandler *time.Timer
|
||||||
|
_interfaces map[string]net.Interface
|
||||||
|
_interfaceAddrs map[string][]net.Addr
|
||||||
}
|
}
|
||||||
|
|
||||||
type multicastInterface struct {
|
type multicastInterface struct {
|
||||||
@ -100,8 +102,8 @@ func (m *Multicast) _start() error {
|
|||||||
|
|
||||||
m.isOpen = true
|
m.isOpen = true
|
||||||
go m.listen()
|
go m.listen()
|
||||||
m.Act(m, m.multicastStarted)
|
m.Act(nil, m._multicastStarted)
|
||||||
m.Act(m, m.monitorInterfaceChanges)
|
m.Act(nil, m._monitorInterfaceChanges)
|
||||||
|
|
||||||
return nil
|
return nil
|
||||||
}
|
}
|
||||||
@ -145,7 +147,7 @@ func (m *Multicast) _stop() error {
|
|||||||
// and then signals the various module goroutines to reconfigure themselves if
|
// and then signals the various module goroutines to reconfigure themselves if
|
||||||
// needed.
|
// needed.
|
||||||
func (m *Multicast) UpdateConfig(config *config.NodeConfig) {
|
func (m *Multicast) UpdateConfig(config *config.NodeConfig) {
|
||||||
m.Act(m, func() { m._updateConfig(config) })
|
m.Act(nil, func() { m._updateConfig(config) })
|
||||||
}
|
}
|
||||||
|
|
||||||
func (m *Multicast) _updateConfig(config *config.NodeConfig) {
|
func (m *Multicast) _updateConfig(config *config.NodeConfig) {
|
||||||
@ -167,17 +169,14 @@ func (m *Multicast) _updateConfig(config *config.NodeConfig) {
|
|||||||
m.log.Debugln("Reloaded multicast configuration successfully")
|
m.log.Debugln("Reloaded multicast configuration successfully")
|
||||||
}
|
}
|
||||||
|
|
||||||
func (m *Multicast) monitorInterfaceChanges() {
|
func (m *Multicast) _monitorInterfaceChanges() {
|
||||||
interfaces := m.Interfaces()
|
m._updateInterfaces() // update interfaces and interfaceAddrs
|
||||||
|
|
||||||
// Look for interfaces we don't know about yet.
|
// Look for interfaces we don't know about yet.
|
||||||
for name, intf := range interfaces {
|
for name, intf := range m._interfaces {
|
||||||
if _, ok := m.listeners[name]; !ok {
|
if _, ok := m.listeners[name]; !ok {
|
||||||
// Look up interface addresses.
|
// Look up interface addresses.
|
||||||
addrs, err := intf.Addrs()
|
addrs := m._interfaceAddrs[intf.Name]
|
||||||
if err != nil {
|
|
||||||
continue
|
|
||||||
}
|
|
||||||
// Find the first link-local address.
|
// Find the first link-local address.
|
||||||
for _, addr := range addrs {
|
for _, addr := range addrs {
|
||||||
addrIP, _, _ := net.ParseCIDR(addr.String())
|
addrIP, _, _ := net.ParseCIDR(addr.String())
|
||||||
@ -198,7 +197,7 @@ func (m *Multicast) monitorInterfaceChanges() {
|
|||||||
stop: make(chan interface{}),
|
stop: make(chan interface{}),
|
||||||
zone: name,
|
zone: name,
|
||||||
}
|
}
|
||||||
multicastInterface.Act(multicastInterface, multicastInterface.announce)
|
multicastInterface.Act(m, multicastInterface._announce)
|
||||||
m.listeners[name] = multicastInterface
|
m.listeners[name] = multicastInterface
|
||||||
m.log.Debugln("Started multicasting on", name)
|
m.log.Debugln("Started multicasting on", name)
|
||||||
break
|
break
|
||||||
@ -207,7 +206,7 @@ func (m *Multicast) monitorInterfaceChanges() {
|
|||||||
}
|
}
|
||||||
// Look for interfaces we knew about but are no longer there.
|
// Look for interfaces we knew about but are no longer there.
|
||||||
for name, intf := range m.listeners {
|
for name, intf := range m.listeners {
|
||||||
if _, ok := interfaces[name]; !ok {
|
if _, ok := m._interfaces[name]; !ok {
|
||||||
// This is a disappeared interface. Stop the announcer.
|
// This is a disappeared interface. Stop the announcer.
|
||||||
close(intf.stop)
|
close(intf.stop)
|
||||||
delete(m.listeners, name)
|
delete(m.listeners, name)
|
||||||
@ -216,11 +215,11 @@ func (m *Multicast) monitorInterfaceChanges() {
|
|||||||
}
|
}
|
||||||
// Queue the next check.
|
// Queue the next check.
|
||||||
m.monitor = time.AfterFunc(time.Second, func() {
|
m.monitor = time.AfterFunc(time.Second, func() {
|
||||||
m.Act(m, m.monitorInterfaceChanges)
|
m.Act(nil, m._monitorInterfaceChanges)
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
func (m *multicastInterface) announce() {
|
func (m *multicastInterface) _announce() {
|
||||||
// Check if the multicast interface has been stopped. This will happen
|
// Check if the multicast interface has been stopped. This will happen
|
||||||
// if it disappears from the system or goes down.
|
// if it disappears from the system or goes down.
|
||||||
select {
|
select {
|
||||||
@ -240,7 +239,7 @@ func (m *multicastInterface) announce() {
|
|||||||
m.interval += time.Second
|
m.interval += time.Second
|
||||||
}
|
}
|
||||||
m.timer = time.AfterFunc(m.interval, func() {
|
m.timer = time.AfterFunc(m.interval, func() {
|
||||||
m.Act(m, m.announce)
|
m.Act(nil, m._announce)
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
@ -248,6 +247,14 @@ func (m *multicastInterface) announce() {
|
|||||||
// expected that UpdateInterfaces has been called at least once before calling
|
// expected that UpdateInterfaces has been called at least once before calling
|
||||||
// this method.
|
// this method.
|
||||||
func (m *Multicast) Interfaces() map[string]net.Interface {
|
func (m *Multicast) Interfaces() map[string]net.Interface {
|
||||||
|
var interfaces map[string]net.Interface
|
||||||
|
phony.Block(m, func() {
|
||||||
|
interfaces = m._interfaces
|
||||||
|
})
|
||||||
|
return interfaces
|
||||||
|
}
|
||||||
|
|
||||||
|
func (m *Multicast) _updateInterfaces() {
|
||||||
interfaces := make(map[string]net.Interface)
|
interfaces := make(map[string]net.Interface)
|
||||||
// Get interface expressions from config
|
// Get interface expressions from config
|
||||||
current := m.config.GetCurrent()
|
current := m.config.GetCurrent()
|
||||||
@ -258,6 +265,7 @@ func (m *Multicast) Interfaces() map[string]net.Interface {
|
|||||||
panic(err)
|
panic(err)
|
||||||
}
|
}
|
||||||
// Work out which interfaces to announce on
|
// Work out which interfaces to announce on
|
||||||
|
interfaceAddrs := make(map[string][]net.Addr)
|
||||||
for _, iface := range allifaces {
|
for _, iface := range allifaces {
|
||||||
if iface.Flags&net.FlagUp == 0 {
|
if iface.Flags&net.FlagUp == 0 {
|
||||||
// Ignore interfaces that are down
|
// Ignore interfaces that are down
|
||||||
@ -293,10 +301,12 @@ func (m *Multicast) Interfaces() map[string]net.Interface {
|
|||||||
// Does the interface match the regular expression? Store it if so
|
// Does the interface match the regular expression? Store it if so
|
||||||
if e.MatchString(iface.Name) {
|
if e.MatchString(iface.Name) {
|
||||||
interfaces[iface.Name] = iface
|
interfaces[iface.Name] = iface
|
||||||
|
interfaceAddrs[iface.Name] = addrs
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
}
|
}
|
||||||
return interfaces
|
m._interfaces = interfaces
|
||||||
|
m._interfaceAddrs = interfaceAddrs
|
||||||
}
|
}
|
||||||
|
|
||||||
func (m *Multicast) listen() {
|
func (m *Multicast) listen() {
|
||||||
@ -333,6 +343,7 @@ func (m *Multicast) listen() {
|
|||||||
if addr.IP.String() != from.IP.String() {
|
if addr.IP.String() != from.IP.String() {
|
||||||
continue
|
continue
|
||||||
}
|
}
|
||||||
|
// Note that m.Interfaces would block if it was being run by the actor itself
|
||||||
if _, ok := m.Interfaces()[from.Zone]; ok {
|
if _, ok := m.Interfaces()[from.Zone]; ok {
|
||||||
addr.Zone = ""
|
addr.Zone = ""
|
||||||
if err := m.core.CallPeer("tcp://"+addr.String(), from.Zone); err != nil {
|
if err := m.core.CallPeer("tcp://"+addr.String(), from.Zone); err != nil {
|
||||||
|
@ -31,7 +31,7 @@ import (
|
|||||||
|
|
||||||
var awdlGoroutineStarted bool
|
var awdlGoroutineStarted bool
|
||||||
|
|
||||||
func (m *Multicast) multicastStarted() {
|
func (m *Multicast) _multicastStarted() {
|
||||||
C.StopAWDLBrowsing()
|
C.StopAWDLBrowsing()
|
||||||
for intf := range m.Interfaces() {
|
for intf := range m.Interfaces() {
|
||||||
if intf == "awdl0" {
|
if intf == "awdl0" {
|
||||||
@ -40,7 +40,7 @@ func (m *Multicast) multicastStarted() {
|
|||||||
}
|
}
|
||||||
}
|
}
|
||||||
m.platformhandler = time.AfterFunc(time.Minute, func() {
|
m.platformhandler = time.AfterFunc(time.Minute, func() {
|
||||||
m.Act(m, m.multicastStarted)
|
m.Act(m, m._multicastStarted)
|
||||||
})
|
})
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -4,7 +4,7 @@ package multicast
|
|||||||
|
|
||||||
import "syscall"
|
import "syscall"
|
||||||
|
|
||||||
func (m *Multicast) multicastStarted() {
|
func (m *Multicast) _multicastStarted() {
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -5,7 +5,7 @@ package multicast
|
|||||||
import "syscall"
|
import "syscall"
|
||||||
import "golang.org/x/sys/unix"
|
import "golang.org/x/sys/unix"
|
||||||
|
|
||||||
func (m *Multicast) multicastStarted() {
|
func (m *Multicast) _multicastStarted() {
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
@ -5,7 +5,7 @@ package multicast
|
|||||||
import "syscall"
|
import "syscall"
|
||||||
import "golang.org/x/sys/windows"
|
import "golang.org/x/sys/windows"
|
||||||
|
|
||||||
func (m *Multicast) multicastStarted() {
|
func (m *Multicast) _multicastStarted() {
|
||||||
|
|
||||||
}
|
}
|
||||||
|
|
||||||
|
Loading…
Reference in New Issue
Block a user