protected static void setConfigFileAtRuntime(string[] args)
{
string componentToStart;
Console.WriteLine("Please specify a component that you want to start:");
Console.WriteLine("1. Server");
Console.WriteLine("2. Task manager");
Console.WriteLine("3. Client");
Console.WriteLine("4. Computational node");
Console.Write("> ");
componentToStart = Console.ReadLine();
componentToStart = componentToStart.Replace(" ", string.Empty);
componentToStart = componentToStart.Replace(".", string.Empty);
UInt16 port = 666;
string hostName = Dns.GetHostName();
IPAddress ip = Shared.Connection.ConnectionHelpers.getIPAddressOfTheLocalMachine();
int result = 0;
if (Int32.TryParse(componentToStart, out result)) {
switch (result) {
case 1:
componentToStart = "SERVER";
break;
case 2:
componentToStart = "TASKMANAGER";
break;
case 3:
componentToStart = "CLIENT";
break;
case 4:
componentToStart = "COMPUTATIONALNODE";
break;
}
}
switch (componentToStart.ToUpper()) {
case "TASKMANAGER":
TaskManager newTaskManagerInstance = new TaskManager();
newTaskManagerInstance.startInstance(port, ip);
break;
case "SERVER":
Server newServerInstance = new Server();
newServerInstance.startInstance(port, ip);
break;
case "CLIENT":
ComputationalCluster.Nodes.Client newClientInstance = new ComputationalCluster.Nodes.Client();
newClientInstance.startInstance(port, ip);
break;
case "COMPUTATIONALNODE":
ComputationalNode newComputationalNodeInstance = new ComputationalNode();
newComputationalNodeInstance.startInstance(port, ip);
break;
}
}
private StatusThreadsThread[] CurrentStatusThreads()
{
List <StatusThreadsThread> threads = new List <StatusThreadsThread>();
foreach (NodeWorker worker in this.Workers)
{
threads.Add(ComputationalNode.StatusThreadsThreadFromNodeWorker(worker));
}
return(threads.ToArray());
}
protected override string ReceivedRegister(Register register, IPAddress senderAddr)
{
string type = register.Type;
Node newNode;
ulong ID = RegisteredNodes.NextNodeID;
switch (Utilities.NodeTypeForName(type))
{
case NodeType.TaskManager:
newNode = new TaskManager();
if (senderAddr != null)
{
newNode.IP = senderAddr;
}
newNode.NodeType = Nodes.NodeType.TaskManager;
newNode.ID = register.Id;
this.RegisteredComponents.RegisterTaskManager(newNode);
break;
case NodeType.ComputationalNode:
newNode = new ComputationalNode();
newNode.ID = register.Id;
if (senderAddr != null)
{
newNode.IP = senderAddr;
}
newNode.NodeType = Nodes.NodeType.ComputationalNode;
this.RegisteredComponents.RegisterComputationalNode(newNode);
break;
case NodeType.Server:
newNode = new Server();
newNode.ID = ID;
BackupServerQueue bsq = new BackupServerQueue {
backupServerId = ID,
messages = new Queue <string>()
};
if (senderAddr != null)
{
newNode.IP = senderAddr;
}
newNode.NodeType = Nodes.NodeType.Server;
this.backupServerQueues.Add(bsq);
this.RegisteredComponents.RegisterBackupServer(newNode);
this.backupServerQueues.Add(bsq);
break;
case NodeType.Client: //not needed!
break;
default:
break;
}
//Register message is sent by TM, CN and Backup CS to the CS after they are activated.
RegisterResponse response = new RegisterResponse();
response.Id = ID;
response.Timeout = this.Timeout;
List <RegisterResponseBackupCommunicationServersBackupCommunicationServer> backupServers = new List <RegisterResponseBackupCommunicationServersBackupCommunicationServer>();
foreach (Node comp in this.RegisteredComponents.BackupServers)
{
RegisterResponseBackupCommunicationServersBackupCommunicationServer backup = new RegisterResponseBackupCommunicationServersBackupCommunicationServer();
if (comp.IP == null)
{
break;
}
backup.address = comp.IP.ToString();
if (comp.Port > 0)
{
backup.port = comp.Port;
backup.portSpecified = true;
}
backupServers.Add(backup);
}
response.BackupCommunicationServers = backupServers.ToArray();
if (!this.BackupMode)
{
Console.WriteLine("Sending RegisterResponse");
}
return(response.SerializeToXML());
}
protected override string ReceivedRegister(Register register, IPAddress senderAddr)
{
string type = register.Type;
Node newNode;
ulong ID = RegisteredNodes.NextNodeID;
switch (Utilities.NodeTypeForName(type)) {
case NodeType.TaskManager:
newNode = new TaskManager();
if(senderAddr != null)
newNode.IP = senderAddr;
newNode.NodeType = Nodes.NodeType.TaskManager;
newNode.ID = register.Id;
this.RegisteredComponents.RegisterTaskManager(newNode);
break;
case NodeType.ComputationalNode:
newNode = new ComputationalNode();
newNode.ID = register.Id;
if (senderAddr != null)
newNode.IP = senderAddr;
newNode.NodeType = Nodes.NodeType.ComputationalNode;
this.RegisteredComponents.RegisterComputationalNode(newNode);
break;
case NodeType.Server:
newNode = new Server();
newNode.ID = ID;
BackupServerQueue bsq = new BackupServerQueue {
backupServerId = ID,
messages = new Queue<string>()
};
if (senderAddr != null)
newNode.IP = senderAddr;
newNode.NodeType = Nodes.NodeType.Server;
this.backupServerQueues.Add(bsq);
this.RegisteredComponents.RegisterBackupServer(newNode);
this.backupServerQueues.Add(bsq);
break;
case NodeType.Client: //not needed!
break;
default:
break;
}
//Register message is sent by TM, CN and Backup CS to the CS after they are activated.
RegisterResponse response = new RegisterResponse();
response.Id = ID;
response.Timeout = this.Timeout;
List<RegisterResponseBackupCommunicationServersBackupCommunicationServer> backupServers = new List<RegisterResponseBackupCommunicationServersBackupCommunicationServer>();
foreach (Node comp in this.RegisteredComponents.BackupServers) {
RegisterResponseBackupCommunicationServersBackupCommunicationServer backup = new RegisterResponseBackupCommunicationServersBackupCommunicationServer();
if (comp.IP == null)
break ;
backup.address = comp.IP.ToString();
if (comp.Port > 0) {
backup.port = comp.Port;
backup.portSpecified = true;
}
backupServers.Add(backup);
}
response.BackupCommunicationServers = backupServers.ToArray();
if(!this.BackupMode)
Console.WriteLine("Sending RegisterResponse");
return response.SerializeToXML();
}