-
Notifications
You must be signed in to change notification settings - Fork 46
Commit
This commit does not belong to any branch on this repository, and may belong to a fork outside of the repository.
- Loading branch information
Showing
18 changed files
with
549 additions
and
216 deletions.
There are no files selected for viewing
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,145 @@ | ||
| package tcp | ||
|
|
||
| import ( | ||
| "fmt" | ||
| "net" | ||
| "sync" | ||
|
|
||
| "github.com/bio-routing/bio-rd/routingtable/vrf" | ||
| "github.com/bio-routing/bio-rd/util/log" | ||
| ) | ||
|
|
||
| type ConnWithVRF struct { | ||
| Conn net.Conn | ||
| VRF *vrf.VRF | ||
| } | ||
|
|
||
| type ListenerManagerI interface { | ||
| ListenAddrsPerVRF(vrf *vrf.VRF) []string | ||
| GetListeners(v *vrf.VRF) []ListenerI | ||
| CreateListenersIfNotExists(v *vrf.VRF) error | ||
| AcceptCh() chan ConnWithVRF | ||
| } | ||
|
|
||
| type ListenerManager struct { | ||
| listenAddrsByVRF map[string][]string | ||
| listenersByVRF map[string][]ListenerI | ||
| listenersByVRFmu sync.RWMutex | ||
| acceptCh chan ConnWithVRF | ||
| listenerFactory ListenerFactoryI | ||
| } | ||
|
|
||
| func NewListenerManager(listenAddrsByVRF map[string][]string) *ListenerManager { | ||
| return &ListenerManager{ | ||
| listenAddrsByVRF: listenAddrsByVRF, | ||
| listenersByVRF: make(map[string][]ListenerI), | ||
| listenerFactory: NewListenerFactory(), | ||
| } | ||
| } | ||
|
|
||
| func (lm *ListenerManager) ListenAddrsPerVRF(vrf *vrf.VRF) []string { | ||
| return lm.listenAddrsByVRF[vrf.Name()] | ||
| } | ||
|
|
||
| func (lm *ListenerManager) GetListeners(v *vrf.VRF) []ListenerI { | ||
| lm.listenersByVRFmu.Lock() | ||
| defer lm.listenersByVRFmu.Unlock() | ||
|
|
||
| ret := make([]ListenerI, 0) | ||
| for _, l := range lm.listenersByVRF[v.Name()] { | ||
| ret = append(ret, l) | ||
| } | ||
|
|
||
| return ret | ||
| } | ||
|
|
||
| func (lm *ListenerManager) CreateListenersIfNotExists(v *vrf.VRF) error { | ||
| lm.listenersByVRFmu.Lock() | ||
| defer lm.listenersByVRFmu.Unlock() | ||
|
|
||
| if _, exists := lm.listenersByVRF[v.Name()]; exists { | ||
| return nil | ||
| } | ||
|
|
||
| err := lm._createListeners(v) | ||
| if err != nil { | ||
| return fmt.Errorf("unable to create listeners: %v", err) | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| func (lm *ListenerManager) _createListeners(v *vrf.VRF) error { | ||
| for _, addr := range lm.ListenAddrsPerVRF(v) { | ||
| err := lm._addListener(v, addr, lm.acceptCh) | ||
| if err != nil { | ||
| return fmt.Errorf("unable to create TCP listener %q vrf %s: %v", addr, v.Name(), err) | ||
| } | ||
| } | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // newListener creates a new Listener | ||
| func (lm *ListenerManager) _addListener(vrf *vrf.VRF, addr string, ch chan ConnWithVRF) error { | ||
| tcpaddr, err := net.ResolveTCPAddr("tcp", addr) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| log.Infof("Listener manager: Starting TCP listener on %s in VRF %s", addr, vrf.Name()) | ||
| l, err := lm.listenerFactory.NewListener(vrf, tcpaddr, 255) | ||
| if err != nil { | ||
| return err | ||
| } | ||
|
|
||
| lm._add(vrf, l) | ||
|
|
||
| go func(tl ListenerI) error { | ||
| defer lm.dropListener(vrf, tl) | ||
|
|
||
| for { | ||
| conn, err := l.AcceptTCP() | ||
| if err != nil { | ||
| log.WithError(err).WithFields(log.Fields{ | ||
| "Topic": "Peer", | ||
| }).Error("Failed to AcceptTCP") | ||
| return err | ||
| } | ||
|
|
||
| ch <- ConnWithVRF{ | ||
| Conn: conn, | ||
| VRF: vrf, | ||
| } | ||
| } | ||
| }(l) | ||
|
|
||
| return nil | ||
| } | ||
|
|
||
| // _add is to be called with the mutex acquired | ||
| func (lm *ListenerManager) _add(vrf *vrf.VRF, l ListenerI) { | ||
| if _, exists := lm.listenersByVRF[vrf.Name()]; !exists { | ||
| lm.listenersByVRF[vrf.Name()] = make([]ListenerI, 0) | ||
| } | ||
|
|
||
| lm.listenersByVRF[vrf.Name()] = append(lm.listenersByVRF[vrf.Name()], l) | ||
| } | ||
|
|
||
| func (lm *ListenerManager) dropListener(vrf *vrf.VRF, l ListenerI) { | ||
| lm.listenersByVRFmu.Lock() | ||
| defer lm.listenersByVRFmu.Unlock() | ||
|
|
||
| vrfName := vrf.Name() | ||
| listeners := lm.listenersByVRF[vrfName] | ||
| for i, x := range listeners { | ||
| if x == l { | ||
| lm.listenersByVRF[vrfName] = append(listeners[:i], listeners[i+1:]...) | ||
| return | ||
| } | ||
| } | ||
| } | ||
|
|
||
| func (lm *ListenerManager) AcceptCh() chan ConnWithVRF { | ||
| return lm.acceptCh | ||
| } |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,3 @@ | ||
| package tcp | ||
|
|
||
| const BGPPORT = 179 |
Oops, something went wrong.