func CreateNode(config TestConfig) *mesh.Node {
node, createNodeError := mesh.NewNode(config.NodeConfig)
if createNodeError != nil {
panic(createNodeError)
}
return node
}
// Initialize the Nodes for communication and sending messages
func InitializeNode(idConfig int, config TestConfig, wg *sync.WaitGroup, statusChannel chan bool) {
fmt.Fprintf(os.Stderr, "Starting Config: %v\n", idConfig)
defer wg.Done()
udpTransport := createNewUDPTransport(config.UDPConfig)
// Connect
for _, connectTo := range config.PeersToConnect {
connectError := udpTransport.ConnectToPeer(connectTo.Peer, connectTo.Info)
if connectError != nil {
panic(connectError)
}
}
// Transport closes UDPTransport
transportToPeer := transport.NewTransport(udpTransport, config.TransportConfig)
// defer transportToPeer.Close()
node, createNodeError := mesh.NewNode(config.NodeConfig)
if createNodeError != nil {
panic(createNodeError)
}
defer node.Close()
node.AddTransport(transportToPeer)
fmt.Fprintf(os.Stdout, "UDP connect info: %v\n", udpTransport.GetTransportConnectInfo())
// Setup route
for _, routeConfig := range config.RoutesToEstablish {
if len(routeConfig.Peers) == 0 {
continue
}
addRouteErr := node.AddRoute((domain.RouteID)(routeConfig.ID), routeConfig.Peers[0])
if addRouteErr != nil {
panic(addRouteErr)
}
for peer := 1; peer < len(routeConfig.Peers); peer++ {
extendErr := node.ExtendRoute((domain.RouteID)(routeConfig.ID), routeConfig.Peers[peer], 5*time.Second)
if extendErr != nil {
panic(extendErr)
}
}
}
// Send messages
for _, messageToSend := range config.MessagesToSend {
sendMsgErr := node.SendMessageThruRoute((domain.RouteID)(messageToSend.ThruRoute), messageToSend.Contents)
if sendMsgErr != nil {
panic(sendMsgErr)
}
fmt.Fprintf(os.Stdout, "Send message %v from Node: %v to Node: %v\n", messageToSend.Contents, idConfig, node.GetConnectedPeers()[0].Hex())
}
// Receive messages
received := make(chan domain.MeshMessage, 2*len(config.MessagesToReceive))
node.SetReceiveChannel(received)
// Wait for messages to pass thru
recvMap := make(map[string]domain.ReplyTo)
for timeEnd := time.Now().Add(5 * time.Second); time.Now().Before(timeEnd); {
if len(received) > 0 {
fmt.Fprintf(os.Stdout, "Len Receive Channel %v in Node: %v \n", len(received), idConfig)
msgRecvd := <-received
recvMap[fmt.Sprintf("%v", msgRecvd.Contents)] = msgRecvd.ReplyTo
for _, messageToReceive := range config.MessagesToReceive {
if fmt.Sprintf("%v", messageToReceive.Contents) == fmt.Sprintf("%v", msgRecvd.Contents) {
if len(messageToReceive.Reply) > 0 {
sendBackErr := node.SendMessageBackThruRoute(msgRecvd.ReplyTo, messageToReceive.Reply)
if sendBackErr != nil {
panic(sendBackErr)
}
fmt.Fprintf(os.Stdout, "=== Send back %v\n", time.Now())
}
}
}
}
runtime.Gosched()
}
success := true
for _, messageToReceive := range config.MessagesToReceive {
_, received := recvMap[fmt.Sprintf("%v", messageToReceive.Contents)]
if !received {
success = false
fmt.Fprintf(os.Stdout, "Didn't receive message contents: %v - Node: %v\n", messageToReceive.Contents, idConfig)
}
}
// Wait for messages to pass back
time.Sleep(5 * time.Second)
fmt.Fprintf(os.Stdout, "-- Finished test -- %v\n", time.Now())
if success {
fmt.Fprint(os.Stdout, "\t Success!\n")
} else {
fmt.Fprint(os.Stderr, "\t Failure. \n")
}
statusChannel <- success
}