public ApSubscribeNodeResponse SubscribeNode(ApSubscribeNodeRequest request)
{
Log.Debug(typeof(ApNodeControllerService), "SubscribeNode()");
try
{
// Remove existing node instance if already subscribed
Node existing = Database.GetInstance().Nodes.Find(x => x.IpAddress.Equals(request.IpAddress));
if (existing != null)
Database.GetInstance().Nodes.Remove(existing);
Node node = new Node();
// Initialize Node Id
// Multiple nodes may exist in the same host
node.Id = GetNextNodeId();
// Initialize node IP Address
node.IpAddress = request.IpAddress;
node.IpAddress_ = request.IpAddress_;
// Find node's virtual machine instance id from IaaS
node.InstanceId = FindInstanceId(request.IpAddress);
node.ApplicationGridServiceUrl = request.ApplicationGridServiceUrl;
node.FileTransferServiceUrl = request.FileTransferServiceUrl;
node.SubscribedOn = DateTime.Now;
// Update database
Database.GetInstance().Nodes.Add(node);
ApSubscribeNodeResponse response = new ApSubscribeNodeResponse();
// Send node information back
response.Node = node;
Log.Debug(typeof(ApNodeControllerService), "Node " + node.ToString() + " subscribed successfully");
return response;
}
catch (Exception e)
{
Log.Error(this, e);
throw e;
}
}
private void SubscribeToApplicationGrid()
{
try
{
Console.WriteLine("Subscribing to Application Grid at: " + Settings.ApplicationGridEndPointURL);
MonoscapeCredentials credentials = new MonoscapeCredentials(Settings.MonoscapeAccessKey, Settings.MonoscapeSecretKey);
ApSubscribeNodeRequest request = new ApSubscribeNodeRequest(credentials);
IPAddress hostIp = MonoscapeUtil.FindHostIpAddress();
request.IpAddress = hostIp.ToString();
request.IpAddress_ = hostIp;
request.ApplicationGridServiceUrl = Settings.ApplicationGridServiceUrl;
request.FileTransferServiceUrl = Settings.FileServerServiceUrl + "/wsHttp";
IApNodeControllerService channel = EndPoints.GetApNodeControllerService();
ApSubscribeNodeResponse response = channel.SubscribeNode(request);
Database.Node = response.Node;
Console.WriteLine("Subscribed successfully");
}
catch (EndpointNotFoundException e)
{
throw new MonoscapeException("Could not connect to the Application Grid", e);
}
}
