// Start edda, to listen for logging data from services
func Start(name string) {
// use a waitgroup so whoever starts edda can tell the logs have been flushed
Wg.Add(1)
defer Wg.Done()
if Logchan == nil {
return
}
var msg gotocol.Message
microservices := make(map[string]bool, archaius.Conf.Dunbar)
edges := make(map[string]bool, archaius.Conf.Dunbar)
var ok bool
hist := collect.NewHist(name)
log.Println(name + ": starting")
if archaius.Conf.GraphmlFile != "" {
graphml.Setup(archaius.Conf.GraphmlFile)
}
if archaius.Conf.GraphjsonFile != "" {
graphjson.Enabled = true
graphjson.Setup(archaius.Conf.GraphjsonFile)
}
for {
msg, ok = <-Logchan
collect.Measure(hist, time.Since(msg.Sent))
if !ok {
break // channel was closed
}
if archaius.Conf.Msglog {
log.Printf("%v(backlog %v): %v\n", name, len(Logchan), msg)
}
switch msg.Imposition {
case gotocol.Inform:
edge := names.FilterEdge(msg.Intention)
if edges[edge] == false { // only log an edge once
edges[edge] = true
graphml.WriteEdge(edge)
graphjson.WriteEdge(edge, msg.Sent)
}
case gotocol.Put:
node := names.FilterNode(msg.Intention)
if microservices[node] == false { // only log a node once
microservices[node] = true
graphml.WriteNode(node + " " + names.Package(msg.Intention))
graphjson.WriteNode(node+" "+names.Package(msg.Intention), msg.Sent)
}
case gotocol.Forget: // forget the edge
graphjson.WriteForget(msg.Intention, msg.Sent)
case gotocol.Delete: // remove the node
if microservices[msg.Intention] == true { // only remove nodes that exist, and only log it once
microservices[msg.Intention] = false
graphjson.WriteDone(msg.Intention, msg.Sent)
}
}
}
log.Println(name + ": closing")
graphml.Close()
graphjson.Close()
}
func main() {
flag.IntVar(&Population, "p", 100, "Pirate population")
flag.IntVar(&duration, "d", 10, "Simulation duration in seconds")
flag.BoolVar(&graphml.Enabled, "g", false, "Enable GraphML logging")
flag.Parse()
fmt.Println("Spigo population", Population, "pirates")
graphml.Setup()
noodles := make(map[string]chan gotocol.Message, Population)
for i := 1; i <= Population; i++ {
name := fmt.Sprintf("Pirate%d", i)
graphml.Node(name)
noodles[name] = make(chan gotocol.Message)
go pirate.Listen(noodles[name])
}
fsm.ChatSleep = time.Duration(duration) * time.Second
fsm.Touch(noodles)
graphml.Close()
}