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26,500
google/seesaw
common/seesaw/seesaw.go
AF
func (ip IP) AF() AF { if ip.IP().To4() != nil { return IPv4 } return IPv6 }
go
func (ip IP) AF() AF { if ip.IP().To4() != nil { return IPv4 } return IPv6 }
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// AF returns the address family of a seesaw IP address.
[ "AF", "returns", "the", "address", "family", "of", "a", "seesaw", "IP", "address", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/common/seesaw/seesaw.go#L260-L265
26,501
google/seesaw
common/seesaw/seesaw.go
String
func (lbm LBMode) String() string { if name, ok := modeNames[lbm]; ok { return name } return "(unknown)" }
go
func (lbm LBMode) String() string { if name, ok := modeNames[lbm]; ok { return name } return "(unknown)" }
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// String returns the string representation of a LBMode.
[ "String", "returns", "the", "string", "representation", "of", "a", "LBMode", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/common/seesaw/seesaw.go#L313-L318
26,502
google/seesaw
common/seesaw/seesaw.go
String
func (lbs LBScheduler) String() string { if name, ok := schedulerNames[lbs]; ok { return name } return "(unknown)" }
go
func (lbs LBScheduler) String() string { if name, ok := schedulerNames[lbs]; ok { return name } return "(unknown)" }
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// String returns the string representation of a LBScheduler.
[ "String", "returns", "the", "string", "representation", "of", "a", "LBScheduler", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/common/seesaw/seesaw.go#L342-L347
26,503
google/seesaw
healthcheck/dial.go
setSocketMark
func setSocketMark(fd, mark int) error { if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_MARK, mark); err != nil { return os.NewSyscallError("failed to set mark", err) } return nil }
go
func setSocketMark(fd, mark int) error { if err := syscall.SetsockoptInt(fd, syscall.SOL_SOCKET, syscall.SO_MARK, mark); err != nil { return os.NewSyscallError("failed to set mark", err) } return nil }
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// setSocketMark sets packet marking on the given socket.
[ "setSocketMark", "sets", "packet", "marking", "on", "the", "given", "socket", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/healthcheck/dial.go#L198-L203
26,504
google/seesaw
healthcheck/dial.go
setSocketTimeout
func setSocketTimeout(fd int, timeout time.Duration) error { tv := syscall.NsecToTimeval(timeout.Nanoseconds()) for _, opt := range []int{syscall.SO_RCVTIMEO, syscall.SO_SNDTIMEO} { if err := syscall.SetsockoptTimeval(fd, syscall.SOL_SOCKET, opt, &tv); err != nil { return os.NewSyscallError("setsockopt", err) ...
go
func setSocketTimeout(fd int, timeout time.Duration) error { tv := syscall.NsecToTimeval(timeout.Nanoseconds()) for _, opt := range []int{syscall.SO_RCVTIMEO, syscall.SO_SNDTIMEO} { if err := syscall.SetsockoptTimeval(fd, syscall.SOL_SOCKET, opt, &tv); err != nil { return os.NewSyscallError("setsockopt", err) ...
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// setSocketTimeout sets the receive and send timeouts on the given socket.
[ "setSocketTimeout", "sets", "the", "receive", "and", "send", "timeouts", "on", "the", "given", "socket", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/healthcheck/dial.go#L206-L214
26,505
google/seesaw
engine/vserver.go
newVserver
func newVserver(e *Engine) *vserver { return &vserver{ engine: e, ncc: ncclient.NewNCC(e.config.NCCSocket), fwm: make(map[seesaw.AF]uint32), active: make(map[seesaw.IP]bool), lbVservers: make(map[seesaw.IP]*seesaw.Vserver), vips: make(map[seesaw.VIP]bool), overrideChan: make(chan se...
go
func newVserver(e *Engine) *vserver { return &vserver{ engine: e, ncc: ncclient.NewNCC(e.config.NCCSocket), fwm: make(map[seesaw.AF]uint32), active: make(map[seesaw.IP]bool), lbVservers: make(map[seesaw.IP]*seesaw.Vserver), vips: make(map[seesaw.VIP]bool), overrideChan: make(chan se...
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// newVserver returns an initialised vserver struct.
[ "newVserver", "returns", "an", "initialised", "vserver", "struct", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L61-L78
26,506
google/seesaw
engine/vserver.go
String
func (v *vserver) String() string { if v.config != nil { return v.config.Name } return fmt.Sprintf("Unconfigured vserver %+v", *v) }
go
func (v *vserver) String() string { if v.config != nil { return v.config.Name } return fmt.Sprintf("Unconfigured vserver %+v", *v) }
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// String returns a string representing a vserver.
[ "String", "returns", "a", "string", "representing", "a", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L81-L86
26,507
google/seesaw
engine/vserver.go
ipvsService
func (svc *service) ipvsService() *ipvs.Service { var flags ipvs.ServiceFlags if svc.ventry.Persistence > 0 { flags |= ipvs.SFPersistent } if svc.ventry.OnePacket { flags |= ipvs.SFOnePacket } var ip net.IP switch { case svc.fwm > 0 && svc.af == seesaw.IPv4: ip = net.IPv4zero case svc.fwm > 0 && svc.af =...
go
func (svc *service) ipvsService() *ipvs.Service { var flags ipvs.ServiceFlags if svc.ventry.Persistence > 0 { flags |= ipvs.SFPersistent } if svc.ventry.OnePacket { flags |= ipvs.SFOnePacket } var ip net.IP switch { case svc.fwm > 0 && svc.af == seesaw.IPv4: ip = net.IPv4zero case svc.fwm > 0 && svc.af =...
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// ipvsService returns an IPVS Service for the given service.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L110-L136
26,508
google/seesaw
engine/vserver.go
ipvsEqual
func (s *service) ipvsEqual(other *service) bool { return s.ipvsSvc.Equal(*other.ipvsSvc) && s.ventry.Mode == other.ventry.Mode && s.ventry.LThreshold == other.ventry.LThreshold && s.ventry.UThreshold == other.ventry.UThreshold }
go
func (s *service) ipvsEqual(other *service) bool { return s.ipvsSvc.Equal(*other.ipvsSvc) && s.ventry.Mode == other.ventry.Mode && s.ventry.LThreshold == other.ventry.LThreshold && s.ventry.UThreshold == other.ventry.UThreshold }
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// ipvsEqual returns true if two services have the same IPVS configuration. // Transient state and the services' destinations are ignored.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L140-L145
26,509
google/seesaw
engine/vserver.go
String
func (s *service) String() string { if s.fwm != 0 { return fmt.Sprintf("%v/fwm:%d", s.ip, s.fwm) } ip := s.ip.String() port := strconv.Itoa(int(s.port)) return fmt.Sprintf("%v/%v", net.JoinHostPort(ip, port), s.proto) }
go
func (s *service) String() string { if s.fwm != 0 { return fmt.Sprintf("%v/fwm:%d", s.ip, s.fwm) } ip := s.ip.String() port := strconv.Itoa(int(s.port)) return fmt.Sprintf("%v/%v", net.JoinHostPort(ip, port), s.proto) }
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// String returns a string representing a service.
[ "String", "returns", "a", "string", "representing", "a", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L148-L155
26,510
google/seesaw
engine/vserver.go
ipvsDestination
func (dst *destination) ipvsDestination() *ipvs.Destination { var flags ipvs.DestinationFlags switch dst.service.ventry.Mode { case seesaw.LBModeNone: log.Warningf("%v: Unspecified LB mode", dst) case seesaw.LBModeDSR: flags |= ipvs.DFForwardRoute case seesaw.LBModeNAT: flags |= ipvs.DFForwardMasq } return...
go
func (dst *destination) ipvsDestination() *ipvs.Destination { var flags ipvs.DestinationFlags switch dst.service.ventry.Mode { case seesaw.LBModeNone: log.Warningf("%v: Unspecified LB mode", dst) case seesaw.LBModeDSR: flags |= ipvs.DFForwardRoute case seesaw.LBModeNAT: flags |= ipvs.DFForwardMasq } return...
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// ipvsDestination returns an IPVS Destination for the given destination.
[ "ipvsDestination", "returns", "an", "IPVS", "Destination", "for", "the", "given", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L181-L199
26,511
google/seesaw
engine/vserver.go
ipvsEqual
func (d *destination) ipvsEqual(other *destination) bool { return d.ipvsDst.Equal(*other.ipvsDst) }
go
func (d *destination) ipvsEqual(other *destination) bool { return d.ipvsDst.Equal(*other.ipvsDst) }
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// ipvsEqual returns true if two destinations have the same IPVS configuration. // Transient state is ignored.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L203-L205
26,512
google/seesaw
engine/vserver.go
String
func (d *destination) String() string { if d.service.fwm != 0 { return fmt.Sprintf("%v", d.ip) } ip := d.ip.String() port := strconv.Itoa(int(d.service.port)) return fmt.Sprintf("%v/%v", net.JoinHostPort(ip, port), d.service.proto) }
go
func (d *destination) String() string { if d.service.fwm != 0 { return fmt.Sprintf("%v", d.ip) } ip := d.ip.String() port := strconv.Itoa(int(d.service.port)) return fmt.Sprintf("%v/%v", net.JoinHostPort(ip, port), d.service.proto) }
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// String returns a string representing a destination.
[ "String", "returns", "a", "string", "representing", "a", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L208-L215
26,513
google/seesaw
engine/vserver.go
name
func (d *destination) name() string { return fmt.Sprintf("%v/%v", d.service.vserver.String(), d.String()) }
go
func (d *destination) name() string { return fmt.Sprintf("%v/%v", d.service.vserver.String(), d.String()) }
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// name returns the name of a destination.
[ "name", "returns", "the", "name", "of", "a", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L218-L220
26,514
google/seesaw
engine/vserver.go
newCheckKey
func newCheckKey(vip, bip seesaw.IP, port uint16, proto seesaw.IPProto, h *config.Healthcheck) checkKey { return checkKey{ vserverIP: vip, backendIP: bip, servicePort: port, serviceProtocol: proto, healthcheckMode: h.Mode, healthcheckType: h.Type, healthcheckPort: h.Port, name: ...
go
func newCheckKey(vip, bip seesaw.IP, port uint16, proto seesaw.IPProto, h *config.Healthcheck) checkKey { return checkKey{ vserverIP: vip, backendIP: bip, servicePort: port, serviceProtocol: proto, healthcheckMode: h.Mode, healthcheckType: h.Type, healthcheckPort: h.Port, name: ...
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// newCheckKey returns an initialised checkKey.
[ "newCheckKey", "returns", "an", "initialised", "checkKey", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L235-L246
26,515
google/seesaw
engine/vserver.go
String
func (c checkKey) String() string { return fmt.Sprintf("%v:%d/%v backend %v:%d/%v %v %v port %d (%s)", c.vserverIP, c.servicePort, c.serviceProtocol, c.backendIP, c.servicePort, c.serviceProtocol, c.healthcheckMode, c.healthcheckType, c.healthcheckPort, c.name) }
go
func (c checkKey) String() string { return fmt.Sprintf("%v:%d/%v backend %v:%d/%v %v %v port %d (%s)", c.vserverIP, c.servicePort, c.serviceProtocol, c.backendIP, c.servicePort, c.serviceProtocol, c.healthcheckMode, c.healthcheckType, c.healthcheckPort, c.name) }
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// String returns the string representation of a checkKey.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L249-L254
26,516
google/seesaw
engine/vserver.go
newCheck
func newCheck(key checkKey, v *vserver, h *config.Healthcheck) *check { return &check{ key: key, vserver: v, healthcheck: h, } }
go
func newCheck(key checkKey, v *vserver, h *config.Healthcheck) *check { return &check{ key: key, vserver: v, healthcheck: h, } }
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// newCheck returns an initialised check.
[ "newCheck", "returns", "an", "initialised", "check", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L267-L273
26,517
google/seesaw
engine/vserver.go
expandServices
func (v *vserver) expandServices() map[serviceKey]*service { if v.config.UseFWM { return v.expandFWMServices() } svcs := make(map[serviceKey]*service) for _, af := range seesaw.AFs() { var ip net.IP switch af { case seesaw.IPv4: ip = v.config.Host.IPv4Addr case seesaw.IPv6: ip = v.config.Host.IPv6A...
go
func (v *vserver) expandServices() map[serviceKey]*service { if v.config.UseFWM { return v.expandFWMServices() } svcs := make(map[serviceKey]*service) for _, af := range seesaw.AFs() { var ip net.IP switch af { case seesaw.IPv4: ip = v.config.Host.IPv4Addr case seesaw.IPv6: ip = v.config.Host.IPv6A...
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// expandServices returns a list of services that have been expanded from the // vserver configuration.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L290-L325
26,518
google/seesaw
engine/vserver.go
expandFWMServices
func (v *vserver) expandFWMServices() map[serviceKey]*service { svcs := make(map[serviceKey]*service) for _, af := range seesaw.AFs() { var ip net.IP switch af { case seesaw.IPv4: ip = v.config.Host.IPv4Addr case seesaw.IPv6: ip = v.config.Host.IPv6Addr } if ip == nil { continue } // Persist...
go
func (v *vserver) expandFWMServices() map[serviceKey]*service { svcs := make(map[serviceKey]*service) for _, af := range seesaw.AFs() { var ip net.IP switch af { case seesaw.IPv4: ip = v.config.Host.IPv4Addr case seesaw.IPv6: ip = v.config.Host.IPv6Addr } if ip == nil { continue } // Persist...
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// expandFWMServices returns a list of services that have been expanded from the // vserver configuration for a firewall mark based vserver.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L329-L373
26,519
google/seesaw
engine/vserver.go
expandDests
func (v *vserver) expandDests(svc *service) map[destinationKey]*destination { dsts := make(map[destinationKey]*destination, len(v.config.Backends)) for _, backend := range v.config.Backends { var ip net.IP switch svc.af { case seesaw.IPv4: ip = backend.Host.IPv4Addr case seesaw.IPv6: ip = backend.Host.I...
go
func (v *vserver) expandDests(svc *service) map[destinationKey]*destination { dsts := make(map[destinationKey]*destination, len(v.config.Backends)) for _, backend := range v.config.Backends { var ip net.IP switch svc.af { case seesaw.IPv4: ip = backend.Host.IPv4Addr case seesaw.IPv6: ip = backend.Host.I...
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// expandDests returns a list of destinations that have been expanded from the // vserver configuration and a given service.
[ "expandDests", "returns", "a", "list", "of", "destinations", "that", "have", "been", "expanded", "from", "the", "vserver", "configuration", "and", "a", "given", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L377-L401
26,520
google/seesaw
engine/vserver.go
expandChecks
func (v *vserver) expandChecks() map[checkKey]*check { checks := make(map[checkKey]*check) for _, svc := range v.services { for _, dest := range svc.dests { dest.checks = make([]*check, 0) if !dest.backend.Enabled { continue } for _, hc := range v.config.Healthchecks { // vserver-level healthche...
go
func (v *vserver) expandChecks() map[checkKey]*check { checks := make(map[checkKey]*check) for _, svc := range v.services { for _, dest := range svc.dests { dest.checks = make([]*check, 0) if !dest.backend.Enabled { continue } for _, hc := range v.config.Healthchecks { // vserver-level healthche...
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// expandChecks returns a list of checks that have been expanded from the // vserver configuration.
[ "expandChecks", "returns", "a", "list", "of", "checks", "that", "have", "been", "expanded", "from", "the", "vserver", "configuration", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L405-L448
26,521
google/seesaw
engine/vserver.go
healthchecks
func (v *vserver) healthchecks() vserverChecks { vc := vserverChecks{vserverName: v.config.Name} if v.enabled { vc.checks = v.checks } return vc }
go
func (v *vserver) healthchecks() vserverChecks { vc := vserverChecks{vserverName: v.config.Name} if v.enabled { vc.checks = v.checks } return vc }
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// healthchecks returns the vserverChecks for a vserver.
[ "healthchecks", "returns", "the", "vserverChecks", "for", "a", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L451-L457
26,522
google/seesaw
engine/vserver.go
run
func (v *vserver) run() { statsTicker := time.NewTicker(v.engine.config.StatsInterval) for { select { case <-v.quit: // Shutdown active vservers, services and destinations. // There is no race between this and new healthcheck // notifications, since they are also handled via the // same vserver go rou...
go
func (v *vserver) run() { statsTicker := time.NewTicker(v.engine.config.StatsInterval) for { select { case <-v.quit: // Shutdown active vservers, services and destinations. // There is no race between this and new healthcheck // notifications, since they are also handled via the // same vserver go rou...
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// run invokes a vserver. This is a long-lived Go routine that lasts for the // duration of the vserver, reacting to configuration changes and healthcheck // notifications.
[ "run", "invokes", "a", "vserver", ".", "This", "is", "a", "long", "-", "lived", "Go", "routine", "that", "lasts", "for", "the", "duration", "of", "the", "vserver", "reacting", "to", "configuration", "changes", "and", "healthcheck", "notifications", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L462-L512
26,523
google/seesaw
engine/vserver.go
handleConfigUpdate
func (v *vserver) handleConfigUpdate(config *config.Vserver) { if config == nil { return } switch { case v.config == nil: v.configInit(config) return case v.enabled && !vserverEnabled(config, v.vserverOverride.State()): log.Infof("%v: disabling vserver", v) v.downAll() v.unconfigureVIPs() v.configIn...
go
func (v *vserver) handleConfigUpdate(config *config.Vserver) { if config == nil { return } switch { case v.config == nil: v.configInit(config) return case v.enabled && !vserverEnabled(config, v.vserverOverride.State()): log.Infof("%v: disabling vserver", v) v.downAll() v.unconfigureVIPs() v.configIn...
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// handleConfigUpdate updates the internal structures of a vserver using the // new configuration.
[ "handleConfigUpdate", "updates", "the", "internal", "structures", "of", "a", "vserver", "using", "the", "new", "configuration", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L543-L611
26,524
google/seesaw
engine/vserver.go
configInit
func (v *vserver) configInit(config *config.Vserver) { v.config = config v.enabled = vserverEnabled(config, v.vserverOverride.State()) newSvcs := v.expandServices() // Preserve stats if this is a reinit for svcK, svc := range newSvcs { svc.dests = v.expandDests(svc) if oldSvc, ok := v.services[svcK]; ok { *...
go
func (v *vserver) configInit(config *config.Vserver) { v.config = config v.enabled = vserverEnabled(config, v.vserverOverride.State()) newSvcs := v.expandServices() // Preserve stats if this is a reinit for svcK, svc := range newSvcs { svc.dests = v.expandDests(svc) if oldSvc, ok := v.services[svcK]; ok { *...
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// configInit initialises all services, destinations, healthchecks and VIPs for // a vserver.
[ "configInit", "initialises", "all", "services", "destinations", "healthchecks", "and", "VIPs", "for", "a", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L615-L637
26,525
google/seesaw
engine/vserver.go
configUpdate
func (v *vserver) configUpdate() { newSvcs := v.expandServices() for svcKey, newSvc := range newSvcs { if svc, ok := v.services[svcKey]; ok { if svc.ip.Equal(newSvc.ip) { svc.update(newSvc) continue } log.Infof("%v: service %v: new IP address: %v", v, svc, newSvc.ip) v.deleteService(svc) } l...
go
func (v *vserver) configUpdate() { newSvcs := v.expandServices() for svcKey, newSvc := range newSvcs { if svc, ok := v.services[svcKey]; ok { if svc.ip.Equal(newSvc.ip) { svc.update(newSvc) continue } log.Infof("%v: service %v: new IP address: %v", v, svc, newSvc.ip) v.deleteService(svc) } l...
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// configUpdate updates the services, destinations, checks, and VIPs for a // vserver.
[ "configUpdate", "updates", "the", "services", "destinations", "checks", "and", "VIPs", "for", "a", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L641-L712
26,526
google/seesaw
engine/vserver.go
deleteService
func (v *vserver) deleteService(s *service) { if s.active { s.healthy = false v.updateState(s.ip) } log.Infof("%v: deleting service: %v", v, s) delete(v.services, s.serviceKey) // TODO(baptr): Once service contains seesaw.VIP, move check and // unconfigureVIP here. }
go
func (v *vserver) deleteService(s *service) { if s.active { s.healthy = false v.updateState(s.ip) } log.Infof("%v: deleting service: %v", v, s) delete(v.services, s.serviceKey) // TODO(baptr): Once service contains seesaw.VIP, move check and // unconfigureVIP here. }
[ "func", "(", "v", "*", "vserver", ")", "deleteService", "(", "s", "*", "service", ")", "{", "if", "s", ".", "active", "{", "s", ".", "healthy", "=", "false", "\n", "v", ".", "updateState", "(", "s", ".", "ip", ")", "\n", "}", "\n", "log", ".", ...
// deleteService deletes a service for a vserver.
[ "deleteService", "deletes", "a", "service", "for", "a", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L715-L724
26,527
google/seesaw
engine/vserver.go
handleCheckNotification
func (v *vserver) handleCheckNotification(n *checkNotification) { if !v.enabled { log.Infof("%v: ignoring healthcheck notification %s (vserver disabled)", v, n.description) return } check := v.checks[n.key] if check == nil { log.Warningf("%v: unknown check key %v", v, n.key) return } transition := (chec...
go
func (v *vserver) handleCheckNotification(n *checkNotification) { if !v.enabled { log.Infof("%v: ignoring healthcheck notification %s (vserver disabled)", v, n.description) return } check := v.checks[n.key] if check == nil { log.Warningf("%v: unknown check key %v", v, n.key) return } transition := (chec...
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// handleCheckNotification processes a checkNotification, bringing // destinations, services, and vservers up or down appropriately.
[ "handleCheckNotification", "processes", "a", "checkNotification", "bringing", "destinations", "services", "and", "vservers", "up", "or", "down", "appropriately", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L728-L749
26,528
google/seesaw
engine/vserver.go
handleOverride
func (v *vserver) handleOverride(o seesaw.Override) { switch override := o.(type) { case *seesaw.VserverOverride: if v.vserverOverride == *override { // No change return } v.vserverOverride = *override if vserverEnabled(v.config, o.State()) == v.enabled { // enable state not changed - nothing to do ...
go
func (v *vserver) handleOverride(o seesaw.Override) { switch override := o.(type) { case *seesaw.VserverOverride: if v.vserverOverride == *override { // No change return } v.vserverOverride = *override if vserverEnabled(v.config, o.State()) == v.enabled { // enable state not changed - nothing to do ...
[ "func", "(", "v", "*", "vserver", ")", "handleOverride", "(", "o", "seesaw", ".", "Override", ")", "{", "switch", "override", ":=", "o", ".", "(", "type", ")", "{", "case", "*", "seesaw", ".", "VserverOverride", ":", "if", "v", ".", "vserverOverride", ...
// handleOverride processes an Override.
[ "handleOverride", "processes", "an", "Override", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L752-L771
26,529
google/seesaw
engine/vserver.go
vserverEnabled
func vserverEnabled(config *config.Vserver, os seesaw.OverrideState) bool { switch { case config == nil: return false case os == seesaw.OverrideDisable: return false case os == seesaw.OverrideEnable: return true } return config.Enabled }
go
func vserverEnabled(config *config.Vserver, os seesaw.OverrideState) bool { switch { case config == nil: return false case os == seesaw.OverrideDisable: return false case os == seesaw.OverrideEnable: return true } return config.Enabled }
[ "func", "vserverEnabled", "(", "config", "*", "config", ".", "Vserver", ",", "os", "seesaw", ".", "OverrideState", ")", "bool", "{", "switch", "{", "case", "config", "==", "nil", ":", "return", "false", "\n", "case", "os", "==", "seesaw", ".", "OverrideD...
// vserverEnabled returns true if a vserver having the given configuration // and override state should be enabled.
[ "vserverEnabled", "returns", "true", "if", "a", "vserver", "having", "the", "given", "configuration", "and", "override", "state", "should", "be", "enabled", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L775-L785
26,530
google/seesaw
engine/vserver.go
snapshot
func (v *vserver) snapshot() *seesaw.Vserver { if v.config == nil { return nil } sv := &seesaw.Vserver{ Name: v.config.Name, Entries: make([]*seesaw.VserverEntry, 0, len(v.config.Entries)), Host: seesaw.Host{ Hostname: v.config.Hostname, IPv4Addr: v.config.IPv4Addr, IPv4Mask: v.config.IPv4Mask, ...
go
func (v *vserver) snapshot() *seesaw.Vserver { if v.config == nil { return nil } sv := &seesaw.Vserver{ Name: v.config.Name, Entries: make([]*seesaw.VserverEntry, 0, len(v.config.Entries)), Host: seesaw.Host{ Hostname: v.config.Hostname, IPv4Addr: v.config.IPv4Addr, IPv4Mask: v.config.IPv4Mask, ...
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// snapshot exports the current running state of the vserver.
[ "snapshot", "exports", "the", "current", "running", "state", "of", "the", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L788-L819
26,531
google/seesaw
engine/vserver.go
updateState
func (d *destination) updateState() { // The destination is healthy if the backend is enabled and *all* the checks // for that destination are healthy. healthy := d.backend.Enabled if healthy { for _, c := range d.checks { if c.status.State != healthcheck.StateHealthy { healthy = false break } } ...
go
func (d *destination) updateState() { // The destination is healthy if the backend is enabled and *all* the checks // for that destination are healthy. healthy := d.backend.Enabled if healthy { for _, c := range d.checks { if c.status.State != healthcheck.StateHealthy { healthy = false break } } ...
[ "func", "(", "d", "*", "destination", ")", "updateState", "(", ")", "{", "// The destination is healthy if the backend is enabled and *all* the checks", "// for that destination are healthy.", "healthy", ":=", "d", ".", "backend", ".", "Enabled", "\n", "if", "healthy", "{...
// updateState updates the state of a destination based on the state of checks // and propagates state changes to the service level if necessary.
[ "updateState", "updates", "the", "state", "of", "a", "destination", "based", "on", "the", "state", "of", "checks", "and", "propagates", "state", "changes", "to", "the", "service", "level", "if", "necessary", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L823-L851
26,532
google/seesaw
engine/vserver.go
up
func (d *destination) up() { d.active = true log.Infof("%v: %v backend %v up", d.service.vserver, d.service, d) ncc := d.service.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", d.service.vserver, err) } defer ncc.Close() if err := ncc.IPVSAddDestination(d.service....
go
func (d *destination) up() { d.active = true log.Infof("%v: %v backend %v up", d.service.vserver, d.service, d) ncc := d.service.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", d.service.vserver, err) } defer ncc.Close() if err := ncc.IPVSAddDestination(d.service....
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// up brings up a destination.
[ "up", "brings", "up", "a", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L854-L866
26,533
google/seesaw
engine/vserver.go
down
func (d *destination) down() { d.active = false log.Infof("%v: %v backend %v down", d.service.vserver, d.service, d) ncc := d.service.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", d.service.vserver, err) } defer ncc.Close() if err := ncc.IPVSDeleteDestination(d....
go
func (d *destination) down() { d.active = false log.Infof("%v: %v backend %v down", d.service.vserver, d.service, d) ncc := d.service.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", d.service.vserver, err) } defer ncc.Close() if err := ncc.IPVSDeleteDestination(d....
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// down takes down a destination.
[ "down", "takes", "down", "a", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L869-L881
26,534
google/seesaw
engine/vserver.go
update
func (d *destination) update(dest *destination) { if d.destinationKey != dest.destinationKey { log.Fatalf("%v: can't update destination %v using %v: destinationKey mismatch: %v != %v", d.service.vserver, d, dest, d.destinationKey, dest.destinationKey) } log.Infof("%v: %v updating destination %v", d.service.vser...
go
func (d *destination) update(dest *destination) { if d.destinationKey != dest.destinationKey { log.Fatalf("%v: can't update destination %v using %v: destinationKey mismatch: %v != %v", d.service.vserver, d, dest, d.destinationKey, dest.destinationKey) } log.Infof("%v: %v updating destination %v", d.service.vser...
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// update updates a destination while preserving its running state.
[ "update", "updates", "a", "destination", "while", "preserving", "its", "running", "state", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L884-L923
26,535
google/seesaw
engine/vserver.go
snapshot
func (d *destination) snapshot() *seesaw.Destination { return &seesaw.Destination{ Backend: d.backend, Name: d.name(), VserverName: d.service.vserver.String(), Stats: d.stats, Enabled: d.backend.Enabled, Weight: d.weight, Healthy: d.healthy, Active: d.active, } }
go
func (d *destination) snapshot() *seesaw.Destination { return &seesaw.Destination{ Backend: d.backend, Name: d.name(), VserverName: d.service.vserver.String(), Stats: d.stats, Enabled: d.backend.Enabled, Weight: d.weight, Healthy: d.healthy, Active: d.active, } }
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// snapshot exports the current running state of a destination.
[ "snapshot", "exports", "the", "current", "running", "state", "of", "a", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L926-L937
26,536
google/seesaw
engine/vserver.go
updateState
func (s *service) updateState() { // The service is considered healthy if: // 1) No watermarks are configured, and at least one destination is healthy. // OR // 2) (Num healthy dests) / (Num backends) >= high watermark. // OR // 3) Service is already healthy, and // (Num healthy dests) / (Num backends) >= low...
go
func (s *service) updateState() { // The service is considered healthy if: // 1) No watermarks are configured, and at least one destination is healthy. // OR // 2) (Num healthy dests) / (Num backends) >= high watermark. // OR // 3) Service is already healthy, and // (Num healthy dests) / (Num backends) >= low...
[ "func", "(", "s", "*", "service", ")", "updateState", "(", ")", "{", "// The service is considered healthy if:", "// 1) No watermarks are configured, and at least one destination is healthy.", "// OR", "// 2) (Num healthy dests) / (Num backends) >= high watermark.", "// OR", "// 3) Ser...
// updateState updates the state of a service based on the state of its // destinations and propagates state changes to the vserver level if necessary.
[ "updateState", "updates", "the", "state", "of", "a", "service", "based", "on", "the", "state", "of", "its", "destinations", "and", "propagates", "state", "changes", "to", "the", "vserver", "level", "if", "necessary", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L941-L1005
26,537
google/seesaw
engine/vserver.go
updateDests
func (s *service) updateDests() { for _, d := range s.dests { if !s.active { d.stats.DestinationStats = &ipvs.DestinationStats{} if d.active { d.down() } continue } switch { case !d.healthy && d.active: d.down() case d.healthy && !d.active: d.up() } } }
go
func (s *service) updateDests() { for _, d := range s.dests { if !s.active { d.stats.DestinationStats = &ipvs.DestinationStats{} if d.active { d.down() } continue } switch { case !d.healthy && d.active: d.down() case d.healthy && !d.active: d.up() } } }
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// updateDests brings the destinations for a service up or down based on the // state of the service and the health of each destination.
[ "updateDests", "brings", "the", "destinations", "for", "a", "service", "up", "or", "down", "based", "on", "the", "state", "of", "the", "service", "and", "the", "health", "of", "each", "destination", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1009-L1025
26,538
google/seesaw
engine/vserver.go
up
func (s *service) up() { s.active = true log.Infof("%v: %v service up", s.vserver, s) ncc := s.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", s.vserver, err) } defer ncc.Close() log.Infof("%v: adding IPVS service %v", s.vserver, s.ipvsSvc) if err := ncc.IPVSAdd...
go
func (s *service) up() { s.active = true log.Infof("%v: %v service up", s.vserver, s) ncc := s.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", s.vserver, err) } defer ncc.Close() log.Infof("%v: adding IPVS service %v", s.vserver, s.ipvsSvc) if err := ncc.IPVSAdd...
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// up brings up a service and all healthy destinations.
[ "up", "brings", "up", "a", "service", "and", "all", "healthy", "destinations", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1028-L1045
26,539
google/seesaw
engine/vserver.go
down
func (s *service) down() { s.active = false s.stats.ServiceStats = &ipvs.ServiceStats{} log.Infof("%v: %v service down", s.vserver, s) ncc := s.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", s.vserver, err) } defer ncc.Close() // Remove IPVS destinations *befor...
go
func (s *service) down() { s.active = false s.stats.ServiceStats = &ipvs.ServiceStats{} log.Infof("%v: %v service down", s.vserver, s) ncc := s.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", s.vserver, err) } defer ncc.Close() // Remove IPVS destinations *befor...
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// down takes down all destinations for a service, then takes down the // service.
[ "down", "takes", "down", "all", "destinations", "for", "a", "service", "then", "takes", "down", "the", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1049-L1066
26,540
google/seesaw
engine/vserver.go
update
func (s *service) update(svc *service) { if s.serviceKey != svc.serviceKey { log.Fatalf("%v: can't update service %v using %v: serviceKey mismatch: %v != %v", s.vserver, s, svc, s.serviceKey, svc.serviceKey) } log.Infof("%v: updating service %v", s.vserver, s) updateIPVS := s.active && !s.ipvsEqual(svc) svc....
go
func (s *service) update(svc *service) { if s.serviceKey != svc.serviceKey { log.Fatalf("%v: can't update service %v using %v: serviceKey mismatch: %v != %v", s.vserver, s, svc, s.serviceKey, svc.serviceKey) } log.Infof("%v: updating service %v", s.vserver, s) updateIPVS := s.active && !s.ipvsEqual(svc) svc....
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// update updates a service while preserving its running state.
[ "update", "updates", "a", "service", "while", "preserving", "its", "running", "state", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1069-L1097
26,541
google/seesaw
engine/vserver.go
updateStats
func (s *service) updateStats() { if !s.active { return } log.V(1).Infof("%v: updating IPVS statistics for %v", s.vserver, s) ncc := s.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", s.vserver, err) } defer ncc.Close() ipvsSvc, err := ncc.IPVSGetService(s.ipvs...
go
func (s *service) updateStats() { if !s.active { return } log.V(1).Infof("%v: updating IPVS statistics for %v", s.vserver, s) ncc := s.vserver.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", s.vserver, err) } defer ncc.Close() ipvsSvc, err := ncc.IPVSGetService(s.ipvs...
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// updateStats updates the IPVS statistics for this service.
[ "updateStats", "updates", "the", "IPVS", "statistics", "for", "this", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1100-L1133
26,542
google/seesaw
engine/vserver.go
snapshot
func (s *service) snapshot() *seesaw.Service { ss := &seesaw.Service{ ServiceKey: seesaw.ServiceKey{ AF: s.af, Proto: s.proto, Port: s.port, }, Mode: s.ventry.Mode, Scheduler: s.ventry.Scheduler, OnePacket: s.ventry.OnePacket, Persistence: s.ventry.Persistence, IP: ...
go
func (s *service) snapshot() *seesaw.Service { ss := &seesaw.Service{ ServiceKey: seesaw.ServiceKey{ AF: s.af, Proto: s.proto, Port: s.port, }, Mode: s.ventry.Mode, Scheduler: s.ventry.Scheduler, OnePacket: s.ventry.OnePacket, Persistence: s.ventry.Persistence, IP: ...
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// snapshot exports the current running state of a service.
[ "snapshot", "exports", "the", "current", "running", "state", "of", "a", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1136-L1176
26,543
google/seesaw
engine/vserver.go
updateState
func (v *vserver) updateState(ip seesaw.IP) { // A vserver anycast IP is healthy if *all* services for that IP are healthy. // A vserver unicast IP is healthy if *any* services for that IP are healthy. var healthy bool for _, s := range v.services { if !s.ip.Equal(ip) { continue } healthy = s.healthy if ...
go
func (v *vserver) updateState(ip seesaw.IP) { // A vserver anycast IP is healthy if *all* services for that IP are healthy. // A vserver unicast IP is healthy if *any* services for that IP are healthy. var healthy bool for _, s := range v.services { if !s.ip.Equal(ip) { continue } healthy = s.healthy if ...
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// updateState updates the state of an IP for a vserver based on the state of // that IP's services.
[ "updateState", "updates", "the", "state", "of", "an", "IP", "for", "a", "vserver", "based", "on", "the", "state", "of", "that", "IP", "s", "services", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1180-L1207
26,544
google/seesaw
engine/vserver.go
updateServices
func (v *vserver) updateServices(ip seesaw.IP) { for _, s := range v.services { if !s.ip.Equal(ip) { continue } if !v.active[ip] { if s.active { s.down() } continue } switch { case !s.healthy && s.active: s.down() case s.healthy && !s.active: s.up() } } }
go
func (v *vserver) updateServices(ip seesaw.IP) { for _, s := range v.services { if !s.ip.Equal(ip) { continue } if !v.active[ip] { if s.active { s.down() } continue } switch { case !s.healthy && s.active: s.down() case s.healthy && !s.active: s.up() } } }
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// updateServices brings the services for a vserver up or down based on the // state of the vserver and the health of each service.
[ "updateServices", "brings", "the", "services", "for", "a", "vserver", "up", "or", "down", "based", "on", "the", "state", "of", "the", "vserver", "and", "the", "health", "of", "each", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1211-L1229
26,545
google/seesaw
engine/vserver.go
up
func (v *vserver) up(ip seesaw.IP) { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() v.active[ip] = true v.updateServices(ip) // If this is an anycast VIP, start advertising a BGP route. nip := ip.IP() if seesaw.IsAnycast(nip...
go
func (v *vserver) up(ip seesaw.IP) { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() v.active[ip] = true v.updateServices(ip) // If this is an anycast VIP, start advertising a BGP route. nip := ip.IP() if seesaw.IsAnycast(nip...
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// up brings up all healthy services for an IP address for a vserver, then // brings up the IP address.
[ "up", "brings", "up", "all", "healthy", "services", "for", "an", "IP", "address", "for", "a", "vserver", "then", "brings", "up", "the", "IP", "address", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1233-L1274
26,546
google/seesaw
engine/vserver.go
downAll
func (v *vserver) downAll() { for _, s := range v.services { if v.active[s.ip] { v.down(s.ip) } if s.active { s.down() } } }
go
func (v *vserver) downAll() { for _, s := range v.services { if v.active[s.ip] { v.down(s.ip) } if s.active { s.down() } } }
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// downAll takes down all IP addresses and services for a vserver.
[ "downAll", "takes", "down", "all", "IP", "addresses", "and", "services", "for", "a", "vserver", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1277-L1286
26,547
google/seesaw
engine/vserver.go
down
func (v *vserver) down(ip seesaw.IP) { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() // If this is an anycast VIP, withdraw the BGP route. nip := ip.IP() if seesaw.IsAnycast(nip) { if v.engine.config.AnycastEnabled { log....
go
func (v *vserver) down(ip seesaw.IP) { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() // If this is an anycast VIP, withdraw the BGP route. nip := ip.IP() if seesaw.IsAnycast(nip) { if v.engine.config.AnycastEnabled { log....
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// down takes down an IP address for a vserver, then takes down all services // for that IP address.
[ "down", "takes", "down", "an", "IP", "address", "for", "a", "vserver", "then", "takes", "down", "all", "services", "for", "that", "IP", "address", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1290-L1320
26,548
google/seesaw
engine/vserver.go
configureVIPs
func (v *vserver) configureVIPs() { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() // TODO(ncope): Return to iterating over v.services once they contain seesaw.VIPs. for _, vip := range v.config.VIPs { if _, ok := v.vips[*vip]...
go
func (v *vserver) configureVIPs() { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() // TODO(ncope): Return to iterating over v.services once they contain seesaw.VIPs. for _, vip := range v.config.VIPs { if _, ok := v.vips[*vip]...
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// configureVIPs configures VIPs on the load balancing interface.
[ "configureVIPs", "configures", "VIPs", "on", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1330-L1363
26,549
google/seesaw
engine/vserver.go
unconfigureVIP
func (v *vserver) unconfigureVIP(vip *seesaw.VIP) { configured, ok := v.vips[*vip] if !ok { return } if configured { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() if err := v.engine.lbInterface.DeleteVIP(vip); err !=...
go
func (v *vserver) unconfigureVIP(vip *seesaw.VIP) { configured, ok := v.vips[*vip] if !ok { return } if configured { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() if err := v.engine.lbInterface.DeleteVIP(vip); err !=...
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// unconfigureVIP removes a unicast VIP from the load balancing interface.
[ "unconfigureVIP", "removes", "a", "unicast", "VIP", "from", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1366-L1387
26,550
google/seesaw
engine/vserver.go
unconfigureVIPs
func (v *vserver) unconfigureVIPs() { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() // TODO(jsing): At a later date this will need to support VLAN // interfaces and dedicated VIP subnets. for vip := range v.vips { v.unconfig...
go
func (v *vserver) unconfigureVIPs() { ncc := v.engine.ncc if err := ncc.Dial(); err != nil { log.Fatalf("%v: failed to connect to NCC: %v", v, err) } defer ncc.Close() // TODO(jsing): At a later date this will need to support VLAN // interfaces and dedicated VIP subnets. for vip := range v.vips { v.unconfig...
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// unconfigureVIPs removes unicast VIPs from the load balancing interface.
[ "unconfigureVIPs", "removes", "unicast", "VIPs", "from", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/vserver.go#L1390-L1402
26,551
google/seesaw
engine/config/fetcher.go
fetchFromHost
func (f *fetcher) fetchFromHost(ip net.IP, url, contentType string) ([]byte, error) { // TODO(angusc): connection timeout? tcpAddr := &net.TCPAddr{IP: ip, Port: f.port} tcpConn, err := net.DialTCP("tcp", nil, tcpAddr) if err != nil { return nil, err } defer tcpConn.Close() tcpConn.SetDeadline(time.Now().Add(f....
go
func (f *fetcher) fetchFromHost(ip net.IP, url, contentType string) ([]byte, error) { // TODO(angusc): connection timeout? tcpAddr := &net.TCPAddr{IP: ip, Port: f.port} tcpConn, err := net.DialTCP("tcp", nil, tcpAddr) if err != nil { return nil, err } defer tcpConn.Close() tcpConn.SetDeadline(time.Now().Add(f....
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// fetchFromHost attempts to fetch the specified URL from a specific host.
[ "fetchFromHost", "attempts", "to", "fetch", "the", "specified", "URL", "from", "a", "specific", "host", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/engine/config/fetcher.go#L86-L130
26,552
google/seesaw
netlink/netlink.go
uint16FromNetwork
func uint16FromNetwork(u uint16) uint16 { b := *(*[2]byte)(unsafe.Pointer(&u)) return binary.BigEndian.Uint16(b[:]) }
go
func uint16FromNetwork(u uint16) uint16 { b := *(*[2]byte)(unsafe.Pointer(&u)) return binary.BigEndian.Uint16(b[:]) }
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// uint16FromNetwork converts the given value from its network byte order.
[ "uint16FromNetwork", "converts", "the", "given", "value", "from", "its", "network", "byte", "order", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L48-L51
26,553
google/seesaw
netlink/netlink.go
uint16ToNetwork
func uint16ToNetwork(u uint16) uint16 { var b [2]byte binary.BigEndian.PutUint16(b[:], u) return *(*uint16)(unsafe.Pointer(&b)) }
go
func uint16ToNetwork(u uint16) uint16 { var b [2]byte binary.BigEndian.PutUint16(b[:], u) return *(*uint16)(unsafe.Pointer(&b)) }
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// uint16ToNetwork converts the given value to its network byte order.
[ "uint16ToNetwork", "converts", "the", "given", "value", "to", "its", "network", "byte", "order", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L54-L58
26,554
google/seesaw
netlink/netlink.go
uint32FromNetwork
func uint32FromNetwork(u uint32) uint32 { b := *(*[4]byte)(unsafe.Pointer(&u)) return binary.BigEndian.Uint32(b[:]) }
go
func uint32FromNetwork(u uint32) uint32 { b := *(*[4]byte)(unsafe.Pointer(&u)) return binary.BigEndian.Uint32(b[:]) }
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// uint32FromNetwork converts the given value from its network byte order.
[ "uint32FromNetwork", "converts", "the", "given", "value", "from", "its", "network", "byte", "order", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L61-L64
26,555
google/seesaw
netlink/netlink.go
uint32ToNetwork
func uint32ToNetwork(u uint32) uint32 { var b [4]byte binary.BigEndian.PutUint32(b[:], u) return *(*uint32)(unsafe.Pointer(&b)) }
go
func uint32ToNetwork(u uint32) uint32 { var b [4]byte binary.BigEndian.PutUint32(b[:], u) return *(*uint32)(unsafe.Pointer(&b)) }
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// uint32ToNetwork converts the given value to its network byte order.
[ "uint32ToNetwork", "converts", "the", "given", "value", "to", "its", "network", "byte", "order", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L67-L71
26,556
google/seesaw
netlink/netlink.go
uint64FromNetwork
func uint64FromNetwork(u uint64) uint64 { b := *(*[8]byte)(unsafe.Pointer(&u)) return binary.BigEndian.Uint64(b[:]) }
go
func uint64FromNetwork(u uint64) uint64 { b := *(*[8]byte)(unsafe.Pointer(&u)) return binary.BigEndian.Uint64(b[:]) }
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// uint64FromNetwork converts the given value from its network byte order.
[ "uint64FromNetwork", "converts", "the", "given", "value", "from", "its", "network", "byte", "order", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L74-L77
26,557
google/seesaw
netlink/netlink.go
uint64ToNetwork
func uint64ToNetwork(u uint64) uint64 { var b [8]byte binary.BigEndian.PutUint64(b[:], u) return *(*uint64)(unsafe.Pointer(&b)) }
go
func uint64ToNetwork(u uint64) uint64 { var b [8]byte binary.BigEndian.PutUint64(b[:], u) return *(*uint64)(unsafe.Pointer(&b)) }
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// uint64ToNetwork converts the given value to its network byte order.
[ "uint64ToNetwork", "converts", "the", "given", "value", "to", "its", "network", "byte", "order", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L80-L84
26,558
google/seesaw
netlink/netlink.go
structMaxAttrID
func structMaxAttrID(v reflect.Value) (uint16, error) { if v.Kind() != reflect.Struct { return 0, fmt.Errorf("%v is not a struct", v.Type()) } st := v.Type() var maxAttrID uint16 for i := 0; i < st.NumField(); i++ { ft, fv := st.Field(i), v.Field(i) fp, err := parseFieldParams(ft.Tag.Get("netlink")) if er...
go
func structMaxAttrID(v reflect.Value) (uint16, error) { if v.Kind() != reflect.Struct { return 0, fmt.Errorf("%v is not a struct", v.Type()) } st := v.Type() var maxAttrID uint16 for i := 0; i < st.NumField(); i++ { ft, fv := st.Field(i), v.Field(i) fp, err := parseFieldParams(ft.Tag.Get("netlink")) if er...
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// structMaxAttrID returns the maximum attribute ID found on netlink tagged // fields within the given struct and any untagged structs it contains.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L130-L157
26,559
google/seesaw
netlink/netlink.go
Error
func (e *Error) Error() string { nle := C.GoString(C.nl_geterror(e.errno)) return fmt.Sprintf("%s: %s", e.msg, strings.ToLower(nle)) }
go
func (e *Error) Error() string { nle := C.GoString(C.nl_geterror(e.errno)) return fmt.Sprintf("%s: %s", e.msg, strings.ToLower(nle)) }
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// Error returns the string representation of a netlink error.
[ "Error", "returns", "the", "string", "representation", "of", "a", "netlink", "error", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L539-L542
26,560
google/seesaw
netlink/netlink.go
Family
func Family(name string) (int, error) { s, err := newSocket() if err != nil { return -1, err } defer s.free() if errno := C.genl_connect(s.nls); errno != 0 { return -1, &Error{errno, "failed to connect to netlink"} } defer C.nl_close((*C.struct_nl_sock)(s.nls)) cn := C.CString(name) defer C.free(unsafe.P...
go
func Family(name string) (int, error) { s, err := newSocket() if err != nil { return -1, err } defer s.free() if errno := C.genl_connect(s.nls); errno != 0 { return -1, &Error{errno, "failed to connect to netlink"} } defer C.nl_close((*C.struct_nl_sock)(s.nls)) cn := C.CString(name) defer C.free(unsafe.P...
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// Family returns the family identifier for the specified family name.
[ "Family", "returns", "the", "family", "identifier", "for", "the", "specified", "family", "name", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/netlink/netlink.go#L545-L564
26,561
google/seesaw
ncc/ip.go
validateInterface
func validateInterface(iface *net.Interface) error { if !ifaceNameRegexp.MatchString(iface.Name) { return fmt.Errorf("Invalid interface name %q", iface.Name) } return nil }
go
func validateInterface(iface *net.Interface) error { if !ifaceNameRegexp.MatchString(iface.Name) { return fmt.Errorf("Invalid interface name %q", iface.Name) } return nil }
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// validateInterface validates the name of a network interface.
[ "validateInterface", "validates", "the", "name", "of", "a", "network", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L45-L50
26,562
google/seesaw
ncc/ip.go
ifaceDown
func ifaceDown(pIface *net.Interface) error { out, err := ipRunOutput("link show dev %s", pIface.Name) if !strings.Contains(out, "state UP") { return nil } // Unlike IPv4, the kernel removes IPv6 addresses when the link goes down. We // don't want that behavior, so we have to preserve the addresses manually. /...
go
func ifaceDown(pIface *net.Interface) error { out, err := ipRunOutput("link show dev %s", pIface.Name) if !strings.Contains(out, "state UP") { return nil } // Unlike IPv4, the kernel removes IPv6 addresses when the link goes down. We // don't want that behavior, so we have to preserve the addresses manually. /...
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// ifaceDown sets the interface link state to down and preserves IPv6 addresses // for both the given interface and any associated VLAN interfaces.
[ "ifaceDown", "sets", "the", "interface", "link", "state", "to", "down", "and", "preserves", "IPv6", "addresses", "for", "both", "the", "given", "interface", "and", "any", "associated", "VLAN", "interfaces", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L106-L139
26,563
google/seesaw
ncc/ip.go
ifaceSetMAC
func ifaceSetMAC(iface *net.Interface) error { return ipRunIface(iface, "link set %s address %s", iface.Name, iface.HardwareAddr) }
go
func ifaceSetMAC(iface *net.Interface) error { return ipRunIface(iface, "link set %s address %s", iface.Name, iface.HardwareAddr) }
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// ifaceSetMAC sets the interface MAC address.
[ "ifaceSetMAC", "sets", "the", "interface", "MAC", "address", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L153-L155
26,564
google/seesaw
ncc/ip.go
ifaceAddIPAddr
func ifaceAddIPAddr(iface *net.Interface, ip net.IP, mask net.IPMask) error { if ip.To4() != nil { return ifaceAddIPv4Addr(iface, ip, mask) } return ifaceAddIPv6Addr(iface, ip, mask) }
go
func ifaceAddIPAddr(iface *net.Interface, ip net.IP, mask net.IPMask) error { if ip.To4() != nil { return ifaceAddIPv4Addr(iface, ip, mask) } return ifaceAddIPv6Addr(iface, ip, mask) }
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// ifaceAddIPAddr adds the given IP address to the network interface.
[ "ifaceAddIPAddr", "adds", "the", "given", "IP", "address", "to", "the", "network", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L158-L163
26,565
google/seesaw
ncc/ip.go
ifaceAddIPv4Addr
func ifaceAddIPv4Addr(iface *net.Interface, ip net.IP, mask net.IPMask) error { if ip.To4() == nil { return fmt.Errorf("IP %v is not a valid IPv4 address", ip) } brd := make(net.IP, net.IPv4len) copy(brd, ip.To4()) for i := 0; i < net.IPv4len; i++ { brd[i] |= ^mask[i] } prefixLen, _ := mask.Size() return ip...
go
func ifaceAddIPv4Addr(iface *net.Interface, ip net.IP, mask net.IPMask) error { if ip.To4() == nil { return fmt.Errorf("IP %v is not a valid IPv4 address", ip) } brd := make(net.IP, net.IPv4len) copy(brd, ip.To4()) for i := 0; i < net.IPv4len; i++ { brd[i] |= ^mask[i] } prefixLen, _ := mask.Size() return ip...
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// ifaceAddIPv4Addr adds the given IPv4 address to the network interface.
[ "ifaceAddIPv4Addr", "adds", "the", "given", "IPv4", "address", "to", "the", "network", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L166-L177
26,566
google/seesaw
ncc/ip.go
ifaceAddIPv6Addr
func ifaceAddIPv6Addr(iface *net.Interface, ip net.IP, mask net.IPMask) error { prefixLen, _ := mask.Size() return ipRunIface(iface, "addr add %s/%d dev %s", ip, prefixLen, iface.Name) }
go
func ifaceAddIPv6Addr(iface *net.Interface, ip net.IP, mask net.IPMask) error { prefixLen, _ := mask.Size() return ipRunIface(iface, "addr add %s/%d dev %s", ip, prefixLen, iface.Name) }
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// ifaceAddIPv6Addr adds the given IPv6 address to the network interface.
[ "ifaceAddIPv6Addr", "adds", "the", "given", "IPv6", "address", "to", "the", "network", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L180-L183
26,567
google/seesaw
ncc/ip.go
ifaceAddVLAN
func ifaceAddVLAN(iface *net.Interface, vlan *seesaw.VLAN) error { name := fmt.Sprintf("%s.%d", iface.Name, vlan.ID) err := ipRunIface(iface, "link add link %s name %s type vlan id %d", iface.Name, name, vlan.ID) if err != nil { return fmt.Errorf("Failed to create VLAN interface %q: %v", name, err) } vlanIface,...
go
func ifaceAddVLAN(iface *net.Interface, vlan *seesaw.VLAN) error { name := fmt.Sprintf("%s.%d", iface.Name, vlan.ID) err := ipRunIface(iface, "link add link %s name %s type vlan id %d", iface.Name, name, vlan.ID) if err != nil { return fmt.Errorf("Failed to create VLAN interface %q: %v", name, err) } vlanIface,...
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// ifaceAddVLAN creates a new VLAN interface on the given physical interface.
[ "ifaceAddVLAN", "creates", "a", "new", "VLAN", "interface", "on", "the", "given", "physical", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L197-L228
26,568
google/seesaw
ncc/ip.go
ifaceDelVLAN
func ifaceDelVLAN(iface *net.Interface, vlan *seesaw.VLAN) error { name := fmt.Sprintf("%s.%d", iface.Name, vlan.ID) vlanIface, err := net.InterfaceByName(name) if err != nil { return fmt.Errorf("Failed to find VLAN interface %q: %v", name, err) } return ipRunIface(vlanIface, "link del dev %s", vlanIface.Name) }
go
func ifaceDelVLAN(iface *net.Interface, vlan *seesaw.VLAN) error { name := fmt.Sprintf("%s.%d", iface.Name, vlan.ID) vlanIface, err := net.InterfaceByName(name) if err != nil { return fmt.Errorf("Failed to find VLAN interface %q: %v", name, err) } return ipRunIface(vlanIface, "link del dev %s", vlanIface.Name) }
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// ifaceDelVLAN removes a VLAN interface from the given physical interface.
[ "ifaceDelVLAN", "removes", "a", "VLAN", "interface", "from", "the", "given", "physical", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L231-L238
26,569
google/seesaw
ncc/ip.go
ifaceFlushVLANs
func ifaceFlushVLANs(iface *net.Interface) error { if err := validateInterface(iface); err != nil { return err } vlanIfaces, err := vlanInterfaces(iface) if err != nil { return err } for _, vlanIface := range vlanIfaces { if err := ipRunIface(vlanIface, "link del dev %s", vlanIface.Name); err != nil { re...
go
func ifaceFlushVLANs(iface *net.Interface) error { if err := validateInterface(iface); err != nil { return err } vlanIfaces, err := vlanInterfaces(iface) if err != nil { return err } for _, vlanIface := range vlanIfaces { if err := ipRunIface(vlanIface, "link del dev %s", vlanIface.Name); err != nil { re...
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// ifaceFlushVLANs removes all VLAN interfaces from the given physical // interface.
[ "ifaceFlushVLANs", "removes", "all", "VLAN", "interfaces", "from", "the", "given", "physical", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L242-L256
26,570
google/seesaw
ncc/ip.go
routeDefaultIPv4
func routeDefaultIPv4() (net.IP, error) { out, err := ipRunAFOutput(seesaw.IPv4, "route show default") if err != nil { return nil, err } if dr := routeDefaultIPv4Regexp.FindStringSubmatch(out); dr != nil { return net.ParseIP(dr[1]).To4(), nil } return nil, fmt.Errorf("Default route not found") }
go
func routeDefaultIPv4() (net.IP, error) { out, err := ipRunAFOutput(seesaw.IPv4, "route show default") if err != nil { return nil, err } if dr := routeDefaultIPv4Regexp.FindStringSubmatch(out); dr != nil { return net.ParseIP(dr[1]).To4(), nil } return nil, fmt.Errorf("Default route not found") }
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// routeDefaultIPv4 returns the default route for IPv4 traffic.
[ "routeDefaultIPv4", "returns", "the", "default", "route", "for", "IPv4", "traffic", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L259-L268
26,571
google/seesaw
ncc/ip.go
removeRoutes
func removeRoutes(table string, vip net.IP) error { af := seesaw.IPv6 if vip.To4() != nil { af = seesaw.IPv4 } return ipRunAF(af, "route flush table %s %s", table, vip) }
go
func removeRoutes(table string, vip net.IP) error { af := seesaw.IPv6 if vip.To4() != nil { af = seesaw.IPv4 } return ipRunAF(af, "route flush table %s %s", table, vip) }
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// removeRoutes deletes the routing table entries for a VIP, from the specified // table.
[ "removeRoutes", "deletes", "the", "routing", "table", "entries", "for", "a", "VIP", "from", "the", "specified", "table", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L272-L278
26,572
google/seesaw
ncc/ip.go
routeLocal
func routeLocal(iface *net.Interface, vip net.IP, node seesaw.Host) error { af := seesaw.IPv6 src := node.IPv6Addr if vip.To4() != nil { af = seesaw.IPv4 src = node.IPv4Addr } if err := removeLocalRoutes(vip); err != nil { return err } return ipRunAF(af, "route add table local local %s dev %s src %s", vip,...
go
func routeLocal(iface *net.Interface, vip net.IP, node seesaw.Host) error { af := seesaw.IPv6 src := node.IPv6Addr if vip.To4() != nil { af = seesaw.IPv4 src = node.IPv4Addr } if err := removeLocalRoutes(vip); err != nil { return err } return ipRunAF(af, "route add table local local %s dev %s src %s", vip,...
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// routeLocal removes all routes in the local routing table for the given VIP // and adds new routes with the correct source address.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L292-L303
26,573
google/seesaw
ncc/ip.go
RouteDefaultIPv4
func (ncc *SeesawNCC) RouteDefaultIPv4(unused int, gateway *net.IP) error { ip, err := routeDefaultIPv4() if err != nil { return err } if gateway != nil { *gateway = make(net.IP, len(ip)) copy(*gateway, ip) } return nil }
go
func (ncc *SeesawNCC) RouteDefaultIPv4(unused int, gateway *net.IP) error { ip, err := routeDefaultIPv4() if err != nil { return err } if gateway != nil { *gateway = make(net.IP, len(ip)) copy(*gateway, ip) } return nil }
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// RouteDefaultIPv4 returns the default route for IPv4 traffic.
[ "RouteDefaultIPv4", "returns", "the", "default", "route", "for", "IPv4", "traffic", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/ip.go#L306-L316
26,574
google/seesaw
ncc/lb.go
addClusterVIP
func addClusterVIP(iface *ncctypes.LBInterface, netIface, nodeIface *net.Interface, clusterVIP net.IP) error { nodeIP := iface.Node.IPv4Addr family := seesaw.IPv4 if clusterVIP.To4() == nil { nodeIP = iface.Node.IPv6Addr family = seesaw.IPv6 } if nodeIP == nil { return fmt.Errorf("Node does not have an %s ad...
go
func addClusterVIP(iface *ncctypes.LBInterface, netIface, nodeIface *net.Interface, clusterVIP net.IP) error { nodeIP := iface.Node.IPv4Addr family := seesaw.IPv4 if clusterVIP.To4() == nil { nodeIP = iface.Node.IPv6Addr family = seesaw.IPv6 } if nodeIP == nil { return fmt.Errorf("Node does not have an %s ad...
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// addClusterVIP adds a cluster VIP to the load balancing interface and // performs additional network configuration.
[ "addClusterVIP", "adds", "a", "cluster", "VIP", "to", "the", "load", "balancing", "interface", "and", "performs", "additional", "network", "configuration", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L120-L171
26,575
google/seesaw
ncc/lb.go
LBInterfaceDown
func (ncc *SeesawNCC) LBInterfaceDown(iface *ncctypes.LBInterface, out *int) error { netIface, err := iface.Interface() if err != nil { return err } log.Infof("Bringing down LB interface %s", netIface.Name) return ifaceDown(netIface) }
go
func (ncc *SeesawNCC) LBInterfaceDown(iface *ncctypes.LBInterface, out *int) error { netIface, err := iface.Interface() if err != nil { return err } log.Infof("Bringing down LB interface %s", netIface.Name) return ifaceDown(netIface) }
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// LBInterfaceDown brings the load balancing interface down.
[ "LBInterfaceDown", "brings", "the", "load", "balancing", "interface", "down", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L174-L181
26,576
google/seesaw
ncc/lb.go
LBInterfaceUp
func (ncc *SeesawNCC) LBInterfaceUp(iface *ncctypes.LBInterface, out *int) error { // TODO(jsing): Handle IPv6-only, and improve IPv6 route setup. netIface, err := iface.Interface() if err != nil { return err } nodeIface, err := net.InterfaceByName(iface.NodeInterface) if err != nil { return fmt.Errorf("Faile...
go
func (ncc *SeesawNCC) LBInterfaceUp(iface *ncctypes.LBInterface, out *int) error { // TODO(jsing): Handle IPv6-only, and improve IPv6 route setup. netIface, err := iface.Interface() if err != nil { return err } nodeIface, err := net.InterfaceByName(iface.NodeInterface) if err != nil { return fmt.Errorf("Faile...
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// LBInterfaceUp brings the load balancing interface up.
[ "LBInterfaceUp", "brings", "the", "load", "balancing", "interface", "up", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L184-L223
26,577
google/seesaw
ncc/lb.go
LBInterfaceAddVserver
func (ncc *SeesawNCC) LBInterfaceAddVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error { return iptablesAddRules(lbVserver.Vserver, lbVserver.Iface.ClusterVIP, lbVserver.AF) }
go
func (ncc *SeesawNCC) LBInterfaceAddVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error { return iptablesAddRules(lbVserver.Vserver, lbVserver.Iface.ClusterVIP, lbVserver.AF) }
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// LBInterfaceAddVserver adds the specified Vserver to the load balancing interface.
[ "LBInterfaceAddVserver", "adds", "the", "specified", "Vserver", "to", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L226-L228
26,578
google/seesaw
ncc/lb.go
LBInterfaceDeleteVserver
func (ncc *SeesawNCC) LBInterfaceDeleteVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error { return iptablesDeleteRules(lbVserver.Vserver, lbVserver.Iface.ClusterVIP, lbVserver.AF) }
go
func (ncc *SeesawNCC) LBInterfaceDeleteVserver(lbVserver *ncctypes.LBInterfaceVserver, out *int) error { return iptablesDeleteRules(lbVserver.Vserver, lbVserver.Iface.ClusterVIP, lbVserver.AF) }
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// LBInterfaceDeleteVserver removes the specified Vserver from the load balancing interface.
[ "LBInterfaceDeleteVserver", "removes", "the", "specified", "Vserver", "from", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L231-L233
26,579
google/seesaw
ncc/lb.go
LBInterfaceAddVIP
func (ncc *SeesawNCC) LBInterfaceAddVIP(vip *ncctypes.LBInterfaceVIP, out *int) error { switch vip.Type { case seesaw.UnicastVIP: netIface, err := vip.Iface.Interface() if err != nil { return err } iface, network, err := selectInterfaceNetwork(netIface, vip.IP.IP()) if err != nil { return fmt.Errorf("...
go
func (ncc *SeesawNCC) LBInterfaceAddVIP(vip *ncctypes.LBInterfaceVIP, out *int) error { switch vip.Type { case seesaw.UnicastVIP: netIface, err := vip.Iface.Interface() if err != nil { return err } iface, network, err := selectInterfaceNetwork(netIface, vip.IP.IP()) if err != nil { return fmt.Errorf("...
[ "func", "(", "ncc", "*", "SeesawNCC", ")", "LBInterfaceAddVIP", "(", "vip", "*", "ncctypes", ".", "LBInterfaceVIP", ",", "out", "*", "int", ")", "error", "{", "switch", "vip", ".", "Type", "{", "case", "seesaw", ".", "UnicastVIP", ":", "netIface", ",", ...
// LBInterfaceAddVIP adds the specified VIP to the load balancing interface.
[ "LBInterfaceAddVIP", "adds", "the", "specified", "VIP", "to", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L236-L270
26,580
google/seesaw
ncc/lb.go
LBInterfaceDeleteVIP
func (ncc *SeesawNCC) LBInterfaceDeleteVIP(vip *ncctypes.LBInterfaceVIP, out *int) error { switch vip.Type { case seesaw.UnicastVIP: netIface, err := vip.Iface.Interface() if err != nil { return err } iface, network, err := findInterfaceNetwork(netIface, vip.IP.IP()) if err != nil { return fmt.Errorf(...
go
func (ncc *SeesawNCC) LBInterfaceDeleteVIP(vip *ncctypes.LBInterfaceVIP, out *int) error { switch vip.Type { case seesaw.UnicastVIP: netIface, err := vip.Iface.Interface() if err != nil { return err } iface, network, err := findInterfaceNetwork(netIface, vip.IP.IP()) if err != nil { return fmt.Errorf(...
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// LBInterfaceDeleteVIP removes the specified VIP from the load balancing // interface.
[ "LBInterfaceDeleteVIP", "removes", "the", "specified", "VIP", "from", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L274-L326
26,581
google/seesaw
ncc/lb.go
LBInterfaceAddVLAN
func (ncc *SeesawNCC) LBInterfaceAddVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error { netIface, err := vlan.Iface.Interface() if err != nil { return err } return ifaceAddVLAN(netIface, vlan.VLAN) }
go
func (ncc *SeesawNCC) LBInterfaceAddVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error { netIface, err := vlan.Iface.Interface() if err != nil { return err } return ifaceAddVLAN(netIface, vlan.VLAN) }
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// LBInterfaceAddVLAN creates a VLAN interface on the load balancing interface.
[ "LBInterfaceAddVLAN", "creates", "a", "VLAN", "interface", "on", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L329-L335
26,582
google/seesaw
ncc/lb.go
LBInterfaceDeleteVLAN
func (ncc *SeesawNCC) LBInterfaceDeleteVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error { netIface, err := vlan.Iface.Interface() if err != nil { return err } return ifaceDelVLAN(netIface, vlan.VLAN) }
go
func (ncc *SeesawNCC) LBInterfaceDeleteVLAN(vlan *ncctypes.LBInterfaceVLAN, out *int) error { netIface, err := vlan.Iface.Interface() if err != nil { return err } return ifaceDelVLAN(netIface, vlan.VLAN) }
[ "func", "(", "ncc", "*", "SeesawNCC", ")", "LBInterfaceDeleteVLAN", "(", "vlan", "*", "ncctypes", ".", "LBInterfaceVLAN", ",", "out", "*", "int", ")", "error", "{", "netIface", ",", "err", ":=", "vlan", ".", "Iface", ".", "Interface", "(", ")", "\n", "...
// LBInterfaceDeleteVLAN deletes a VLAN interface from the load balancing interface.
[ "LBInterfaceDeleteVLAN", "deletes", "a", "VLAN", "interface", "from", "the", "load", "balancing", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L338-L344
26,583
google/seesaw
ncc/lb.go
vlanInterfaces
func vlanInterfaces(pIface *net.Interface) ([]*net.Interface, error) { allIfaces, err := net.Interfaces() if err != nil { return nil, err } ifaces := make([]*net.Interface, 0, len(allIfaces)) prefix := fmt.Sprintf("%s.", pIface.Name) for i, iface := range allIfaces { if strings.HasPrefix(iface.Name, prefix) {...
go
func vlanInterfaces(pIface *net.Interface) ([]*net.Interface, error) { allIfaces, err := net.Interfaces() if err != nil { return nil, err } ifaces := make([]*net.Interface, 0, len(allIfaces)) prefix := fmt.Sprintf("%s.", pIface.Name) for i, iface := range allIfaces { if strings.HasPrefix(iface.Name, prefix) {...
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// vlanInterfaces returns a slice containing the VLAN interfaces associated // with a physical interface.
[ "vlanInterfaces", "returns", "a", "slice", "containing", "the", "VLAN", "interfaces", "associated", "with", "a", "physical", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L348-L361
26,584
google/seesaw
ncc/lb.go
findInterfaceNetwork
func findInterfaceNetwork(pIface *net.Interface, ip net.IP) (*net.Interface, *net.IPNet, error) { ifaces, err := vlanInterfaces(pIface) ifaces = append(ifaces, pIface) if err != nil { return nil, nil, err } for _, iface := range ifaces { if network, _ := findNetwork(iface, ip); network != nil { return iface...
go
func findInterfaceNetwork(pIface *net.Interface, ip net.IP) (*net.Interface, *net.IPNet, error) { ifaces, err := vlanInterfaces(pIface) ifaces = append(ifaces, pIface) if err != nil { return nil, nil, err } for _, iface := range ifaces { if network, _ := findNetwork(iface, ip); network != nil { return iface...
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// findInterfaceNetwork searches for the given IP address on the given physical // interface and its associated VLAN interfaces. If the address is not // configured on any interface, an error is returned.
[ "findInterfaceNetwork", "searches", "for", "the", "given", "IP", "address", "on", "the", "given", "physical", "interface", "and", "its", "associated", "VLAN", "interfaces", ".", "If", "the", "address", "is", "not", "configured", "on", "any", "interface", "an", ...
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L366-L378
26,585
google/seesaw
ncc/lb.go
findNetwork
func findNetwork(iface *net.Interface, ip net.IP) (*net.IPNet, error) { addrs, err := iface.Addrs() if err != nil { return nil, fmt.Errorf("Failed to get addresses for interface %q: %v", iface.Name, err) } for _, addr := range addrs { ipStr := addr.String() ipAddr, ipNet, err := net.ParseCIDR(ipStr) if err ...
go
func findNetwork(iface *net.Interface, ip net.IP) (*net.IPNet, error) { addrs, err := iface.Addrs() if err != nil { return nil, fmt.Errorf("Failed to get addresses for interface %q: %v", iface.Name, err) } for _, addr := range addrs { ipStr := addr.String() ipAddr, ipNet, err := net.ParseCIDR(ipStr) if err ...
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// findNetwork returns the network for the given IP address on the given // interface. If the address is not configured on the interface, an error is // returned.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/lb.go#L383-L399
26,586
google/seesaw
watchdog/service.go
newService
func newService(name, binary string) *Service { return &Service{ name: name, binary: binary, args: make([]string, 0), dependencies: make(map[string]*Service), dependents: make(map[string]*Service), done: make(chan bool), shutdown: make(chan bool, 1), started: make(chan boo...
go
func newService(name, binary string) *Service { return &Service{ name: name, binary: binary, args: make([]string, 0), dependencies: make(map[string]*Service), dependents: make(map[string]*Service), done: make(chan bool), shutdown: make(chan bool, 1), started: make(chan boo...
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// newService returns an initialised service.
[ "newService", "returns", "an", "initialised", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L70-L85
26,587
google/seesaw
watchdog/service.go
AddArgs
func (svc *Service) AddArgs(args string) { svc.args = strings.Fields(args) }
go
func (svc *Service) AddArgs(args string) { svc.args = strings.Fields(args) }
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// AddArgs adds the given string as arguments.
[ "AddArgs", "adds", "the", "given", "string", "as", "arguments", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L93-L95
26,588
google/seesaw
watchdog/service.go
SetPriority
func (svc *Service) SetPriority(priority int) error { if priority < -20 || priority > 19 { return fmt.Errorf("Invalid priority %d - must be between -20 and 19", priority) } svc.priority = priority return nil }
go
func (svc *Service) SetPriority(priority int) error { if priority < -20 || priority > 19 { return fmt.Errorf("Invalid priority %d - must be between -20 and 19", priority) } svc.priority = priority return nil }
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// SetPriority sets the process priority for a service.
[ "SetPriority", "sets", "the", "process", "priority", "for", "a", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L98-L104
26,589
google/seesaw
watchdog/service.go
SetUser
func (svc *Service) SetUser(username string) error { u, err := user.Lookup(username) if err != nil { return err } uid, err := strconv.Atoi(u.Uid) if err != nil { return err } gid, err := strconv.Atoi(u.Gid) if err != nil { return err } svc.uid = uint32(uid) svc.gid = uint32(gid) return nil }
go
func (svc *Service) SetUser(username string) error { u, err := user.Lookup(username) if err != nil { return err } uid, err := strconv.Atoi(u.Uid) if err != nil { return err } gid, err := strconv.Atoi(u.Gid) if err != nil { return err } svc.uid = uint32(uid) svc.gid = uint32(gid) return nil }
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// SetUser sets the user for a service.
[ "SetUser", "sets", "the", "user", "for", "a", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L112-L128
26,590
google/seesaw
watchdog/service.go
run
func (svc *Service) run() { // Wait for dependencies to start. for _, dep := range svc.dependencies { log.Infof("Service %s waiting for %s to start", svc.name, dep.name) select { case started := <-dep.started: dep.started <- started case <-svc.shutdown: goto done } } for { if svc.failures > 0 { ...
go
func (svc *Service) run() { // Wait for dependencies to start. for _, dep := range svc.dependencies { log.Infof("Service %s waiting for %s to start", svc.name, dep.name) select { case started := <-dep.started: dep.started <- started case <-svc.shutdown: goto done } } for { if svc.failures > 0 { ...
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// run runs a service and restarts it upon termination, unless a shutdown // notification has been received.
[ "run", "runs", "a", "service", "and", "restarts", "it", "upon", "termination", "unless", "a", "shutdown", "notification", "has", "been", "received", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L132-L173
26,591
google/seesaw
watchdog/service.go
logFile
func (svc *Service) logFile() (*os.File, error) { name := "seesaw_" + svc.name t := time.Now() logName := fmt.Sprintf("%s.log.%04d%02d%02d-%02d%02d%02d", name, t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second()) f, err := os.Create(path.Join(logDir, logName)) if err != nil { return nil, err } l...
go
func (svc *Service) logFile() (*os.File, error) { name := "seesaw_" + svc.name t := time.Now() logName := fmt.Sprintf("%s.log.%04d%02d%02d-%02d%02d%02d", name, t.Year(), t.Month(), t.Day(), t.Hour(), t.Minute(), t.Second()) f, err := os.Create(path.Join(logDir, logName)) if err != nil { return nil, err } l...
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// logFile creates a log file for this service.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L176-L195
26,592
google/seesaw
watchdog/service.go
logSink
func (svc *Service) logSink(f *os.File, r io.ReadCloser) { _, err := io.Copy(f, r) if err != nil { log.Warningf("Service %s - log sink failed: %v", svc.name, err) } f.Close() r.Close() }
go
func (svc *Service) logSink(f *os.File, r io.ReadCloser) { _, err := io.Copy(f, r) if err != nil { log.Warningf("Service %s - log sink failed: %v", svc.name, err) } f.Close() r.Close() }
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// logSink copies output from the given reader to a log file, before closing // both the reader and the log file.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L199-L206
26,593
google/seesaw
watchdog/service.go
signal
func (svc *Service) signal(sig os.Signal) error { svc.lock.Lock() defer svc.lock.Unlock() if svc.process == nil { return nil } return svc.process.Signal(sig) }
go
func (svc *Service) signal(sig os.Signal) error { svc.lock.Lock() defer svc.lock.Unlock() if svc.process == nil { return nil } return svc.process.Signal(sig) }
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// signal sends a signal to the service.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L298-L305
26,594
google/seesaw
watchdog/service.go
stop
func (svc *Service) stop() { // TODO(jsing): Check if it is actually running? log.Infof("Stopping service %s...", svc.name) // Wait for dependents to shutdown. for _, dep := range svc.dependents { log.Infof("Service %s waiting for %s to stop", svc.name, dep.name) stopped := <-dep.stopped dep.stopped <- stopp...
go
func (svc *Service) stop() { // TODO(jsing): Check if it is actually running? log.Infof("Stopping service %s...", svc.name) // Wait for dependents to shutdown. for _, dep := range svc.dependents { log.Infof("Service %s waiting for %s to stop", svc.name, dep.name) stopped := <-dep.stopped dep.stopped <- stopp...
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// stop stops a running service.
[ "stop", "stops", "a", "running", "service", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/watchdog/service.go#L308-L329
26,595
google/seesaw
ncc/arp.go
bytes
func (m *arpMessage) bytes() ([]byte, error) { buf := new(bytes.Buffer) if err := binary.Write(buf, binary.BigEndian, m.arpHeader); err != nil { return nil, fmt.Errorf("binary write failed: %v", err) } buf.Write(m.senderHardwareAddress) buf.Write(m.senderProtocolAddress) buf.Write(m.targetHardwareAddress) buf...
go
func (m *arpMessage) bytes() ([]byte, error) { buf := new(bytes.Buffer) if err := binary.Write(buf, binary.BigEndian, m.arpHeader); err != nil { return nil, fmt.Errorf("binary write failed: %v", err) } buf.Write(m.senderHardwareAddress) buf.Write(m.senderProtocolAddress) buf.Write(m.targetHardwareAddress) buf...
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// bytes returns the wire representation of the ARP message.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/arp.go#L70-L82
26,596
google/seesaw
ncc/arp.go
gratuitousARPReply
func gratuitousARPReply(ip net.IP, mac net.HardwareAddr) (*arpMessage, error) { if ip.To4() == nil { return nil, fmt.Errorf("%q is not an IPv4 address", ip) } if len(mac) != hwLen { return nil, fmt.Errorf("%q is not an Ethernet MAC address", mac) } m := &arpMessage{ arpHeader{ 1, // Ethernet ...
go
func gratuitousARPReply(ip net.IP, mac net.HardwareAddr) (*arpMessage, error) { if ip.To4() == nil { return nil, fmt.Errorf("%q is not an IPv4 address", ip) } if len(mac) != hwLen { return nil, fmt.Errorf("%q is not an Ethernet MAC address", mac) } m := &arpMessage{ arpHeader{ 1, // Ethernet ...
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// gratuitousARPReply returns an ARP message that contains a gratuitous ARP // reply from the specified sender.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/arp.go#L86-L109
26,597
google/seesaw
ncc/arp.go
sendARP
func sendARP(iface *net.Interface, m *arpMessage) error { fd, err := syscall.Socket(syscall.AF_PACKET, syscall.SOCK_DGRAM, int(htons(syscall.ETH_P_ARP))) if err != nil { return fmt.Errorf("failed to get raw socket: %v", err) } defer syscall.Close(fd) if err := syscall.BindToDevice(fd, iface.Name); err != nil { ...
go
func sendARP(iface *net.Interface, m *arpMessage) error { fd, err := syscall.Socket(syscall.AF_PACKET, syscall.SOCK_DGRAM, int(htons(syscall.ETH_P_ARP))) if err != nil { return fmt.Errorf("failed to get raw socket: %v", err) } defer syscall.Close(fd) if err := syscall.BindToDevice(fd, iface.Name); err != nil { ...
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// sendARP sends the given ARP message via the specified interface.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/arp.go#L112-L151
26,598
google/seesaw
ncc/arp.go
ARPSendGratuitous
func (ncc *SeesawNCC) ARPSendGratuitous(arp *ncctypes.ARPGratuitous, out *int) error { iface, err := net.InterfaceByName(arp.IfaceName) if err != nil { return fmt.Errorf("failed to get interface %q: %v", arp.IfaceName, err) } log.V(2).Infof("Sending gratuitous ARP for %s (%s) via %s", arp.IP, iface.HardwareAddr, ...
go
func (ncc *SeesawNCC) ARPSendGratuitous(arp *ncctypes.ARPGratuitous, out *int) error { iface, err := net.InterfaceByName(arp.IfaceName) if err != nil { return fmt.Errorf("failed to get interface %q: %v", arp.IfaceName, err) } log.V(2).Infof("Sending gratuitous ARP for %s (%s) via %s", arp.IP, iface.HardwareAddr, ...
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// ARPSendGratuitous sends a gratuitous ARP message via the specified interface.
[ "ARPSendGratuitous", "sends", "a", "gratuitous", "ARP", "message", "via", "the", "specified", "interface", "." ]
34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/ncc/arp.go#L154-L165
26,599
google/seesaw
healthcheck/radius.go
String
func (rc radiusCode) String() string { if name, ok := rcNames[rc]; ok { return name } return fmt.Sprintf("(unknown %d)", rc) }
go
func (rc radiusCode) String() string { if name, ok := rcNames[rc]; ok { return name } return fmt.Sprintf("(unknown %d)", rc) }
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// String returns the string representation of a RADIUS code.
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34716af0775ecb1fad239a726390d63d6b0742dd
https://github.com/google/seesaw/blob/34716af0775ecb1fad239a726390d63d6b0742dd/healthcheck/radius.go#L81-L86