/
export.go
143 lines (125 loc) · 3.37 KB
/
export.go
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package aurarath
import (
"fmt"
"github.com/joernweissenborn/aurarath/appdescriptor"
"github.com/joernweissenborn/aurarath/config"
"github.com/joernweissenborn/aurarath/messages"
"github.com/joernweissenborn/aurarath/service"
"github.com/joernweissenborn/eventual2go"
"log"
)
type Export struct {
<<<<<<< HEAD
*service.Service
requests *eventual2go.Stream
r *eventual2go.Reactor
listeners map[string][]string
logger *log.Logger
}
func NewExport(a *appdescriptor.AppDescriptor, cfg *config.Config) (e *Export) {
e = new(Export)
e.Service = service.NewService(a, service.EXPORTING, cfg, []byte{0})
e.logger = log.New(cfg.Logger(), fmt.Sprintf("export %s ", e.UUID()), log.Lshortfile)
e.requests = e.Messages(messages.REQUEST)
e.listeners = map[string][]string{}
e.r = eventual2go.NewReactor()
e.r.React("listen", e.newListener)
e.r.AddStream("listen", e.IncomingMessages(messages.LISTEN))
e.r.React("listen_stop", e.stopListener)
e.r.AddStream("listen", e.IncomingMessages(messages.STOP_LISTEN))
e.r.React("reply", e.deliverResult)
return
}
func (e *Export) Reply(r *messages.Request, params []byte) {
res := messages.NewResult(e.UUID(), r, params)
e.r.Fire("reply", res)
}
func (e *Export) Requests() *eventual2go.Stream {
return e.requests
}
func (*Export) Emit(function string, parameter []byte) {}
func (e *Export) newListener(d eventual2go.Data) {
l := d.(messages.IncomingMessage)
f := l.Msg.(*messages.Listen).Function
e.logger.Println("New Listener", l.Sender, f)
ls := e.listeners[f]
if ls == nil {
e.listeners[f] = []string{l.Sender}
return
}
for _, id := range ls {
if id == l.Sender {
return
}
}
e.listeners[f] = append(ls, l.Sender)
}
func (e *Export) removeListener(d eventual2go.Data) {
l := d.(string)
for f, ls := range e.listeners {
index := -1
for i, id := range ls {
if id == l {
index = i
break
}
}
if index == -1 {
continue
}
ls[index] = ls[len(ls)-1]
e.listeners[f] = ls[:len(ls)-2]
}
}
func (e *Export) stopListener(d eventual2go.Data) {
l := d.(messages.IncomingMessage)
f := l.Msg.(*messages.StopListen).Function
ls := e.listeners[f]
if ls == nil {
return
}
index := -1
for i, id := range ls {
if id == l.Sender {
index = i
break
}
}
if index == -1 {
return
=======
AppKey *AppKey
nodes []*network.Node
}
func NewExport(config *Config, key *AppKey) {
exp := &Export{
AppKey: key,
>>>>>>> 9662249fbabc683e2a4371d4ec5052b3d5b687a3
}
ls[index] = ls[len(ls)-1]
e.listeners[f] = ls[:len(ls)-2]
}
func (e *Export) deliverResult(d eventual2go.Data) {
result := d.(*messages.Result)
e.logger.Println("Delivering result", result.Request.Function, result.Request.CallType)
switch result.Request.CallType {
case messages.ONE2MANY, messages.ONE2ONE:
if sc := e.GetConnectedService(result.Request.Importer); sc != nil {
sc.Send(messages.Flatten(result))
}
<<<<<<< HEAD
case messages.MANY2MANY, messages.MANY2ONE:
res := messages.Flatten(result)
e.logger.Printf("sending many2 result to %d clients", len(e.listeners))
for _, uuid := range e.listeners[result.Request.Function] {
e.logger.Println("Sending result", uuid, result.Request.Function)
e.GetConnectedService(uuid).Send(res)
}
}
=======
for _, iface := range config.NetworkInterfaces {
exp.nodes = append(exp.nodes, network.NewNode(iface, config.Logger()))
}
return exp
>>>>>>> 9662249fbabc683e2a4371d4ec5052b3d5b687a3
}