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Signed-off-by: ISHIDA Wataru <[email protected]>
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ISHIDA Wataru
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Feb 27, 2017
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@@ -5,6 +5,7 @@ FROM osrg/gobgp | |
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| MAINTAINER ISHIDA Wataru <[email protected]> | ||
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| RUN apt-get install -qy iptables | ||
| ENV GO15VENDOREXPERIMENT 1 | ||
| RUN curl https://glide.sh/get | sh | ||
| ADD . $GOPATH/src/github.com/osrg/goplane/ | ||
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,127 @@ | ||
| // Copyright (C) 2017 Nippon Telegraph and Telephone Corporation. | ||
| // | ||
| // Licensed under the Apache License, Version 2.0 (the "License"); | ||
| // you may not use this file except in compliance with the License. | ||
| // You may obtain a copy of the License at | ||
| // | ||
| // http://www.apache.org/licenses/LICENSE-2.0 | ||
| // | ||
| // Unless required by applicable law or agreed to in writing, software | ||
| // distributed under the License is distributed on an "AS IS" BASIS, | ||
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or | ||
| // implied. | ||
| // See the License for the specific language governing permissions and | ||
| // limitations under the License. | ||
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| package main | ||
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| import ( | ||
| "fmt" | ||
| "net" | ||
| "sync" | ||
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| log "github.com/Sirupsen/logrus" | ||
| "github.com/osrg/goplane/config" | ||
| proto "github.com/osrg/goplane/protocol" | ||
| ) | ||
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| type Dataplane struct { | ||
| routerID net.IP | ||
| protos map[proto.ProtocolType]proto.Protocol | ||
| routeEventCh chan []proto.EntryEvent | ||
| m sync.RWMutex | ||
| } | ||
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| func NewDataplane() *Dataplane { | ||
| d := &Dataplane{ | ||
| protos: make(map[proto.ProtocolType]proto.Protocol), | ||
| routeEventCh: make(chan []proto.EntryEvent, 0), | ||
| } | ||
| go func() { | ||
| log.Fatal(d.serve()) | ||
| }() | ||
| return d | ||
| } | ||
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| func (d *Dataplane) serve() error { | ||
| for { | ||
| for _, ev := range <-d.routeEventCh { | ||
| log.Info("ev:", ev) | ||
| d.m.RLock() | ||
| for _, proto := range d.protos { | ||
| if ev.From == proto.Type() || ev.Entry.Match() == nil { | ||
| continue | ||
| } | ||
| var err error | ||
| if ev.IsDel { | ||
| err = proto.DeleteEntry(ev.Entry) | ||
| } else { | ||
| err = proto.AddEntry(ev.Entry) | ||
| } | ||
| if err != nil { | ||
| log.Errorf("err: %v", err) | ||
| } | ||
| } | ||
| d.m.RUnlock() | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
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| func (d *Dataplane) SetRouterID(id net.IP) error { | ||
| d.m.RLock() | ||
| defer d.m.RUnlock() | ||
| for _, proto := range d.protos { | ||
| if err := proto.SetRouterID(id); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
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| func (d *Dataplane) AddProtocol(p proto.Protocol) error { | ||
| d.m.Lock() | ||
| defer d.m.Unlock() | ||
| if _, y := d.protos[p.Type()]; y { | ||
| return fmt.Errorf("protocol %d already exists", p.Type()) | ||
| } | ||
| d.protos[p.Type()] = p | ||
| w, err := p.WatchEntry() | ||
| if err != nil { | ||
| return err | ||
| } | ||
| if w != nil { | ||
| go func() { | ||
| for { | ||
| rs, err := w.Recv() | ||
| if err != nil { | ||
| log.Fatalf("failed recv routes: %s", err) | ||
| } | ||
| d.routeEventCh <- rs | ||
| } | ||
| }() | ||
| } | ||
| return nil | ||
| } | ||
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| func (d *Dataplane) AddVirtualNetwork(c config.VirtualNetwork) error { | ||
| d.m.RLock() | ||
| defer d.m.RUnlock() | ||
| for _, proto := range d.protos { | ||
| if err := proto.AddVirtualNetwork(d.routerID.String(), c); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } | ||
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| func (d *Dataplane) DeleteVirtualNetwork(c config.VirtualNetwork) error { | ||
| d.m.RLock() | ||
| defer d.m.RUnlock() | ||
| for _, proto := range d.protos { | ||
| if err := proto.DeleteVirtualNetwork(c); err != nil { | ||
| return err | ||
| } | ||
| } | ||
| return nil | ||
| } |
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