static void Main(string[] args)
{
// Setup Server list and Request queue
List <Server> Servers = new List <Server>();
Queue <Request> PendingRequests = new Queue <Request>();
// Create a ServerQuery to use later
ServerQuery serverQuery = new ServerQuery();
// Start user input
Console.WriteLine("Please enter a command.");
string command = "";
while (command != "quit")
{
string[] commandArgs = command.Split(":");
Console.WriteLine();
switch (commandArgs[0])
{
// Print help text
case "help":
Console.WriteLine("help\t\t\tDisplay this menu");
Console.WriteLine("createserver\t\tCreate a new server.");
Console.WriteLine("deleteserver:[id]\tDelete server #ID.");
Console.WriteLine("listservers\t\tList all servers.");
Console.WriteLine("new:[path]:[payload]\tCreate a new pending request.");
Console.WriteLine("dispatch\t\tSend a pending request to a server.");
Console.WriteLine("server:[id]\t\tHave server #ID execute its pending request and print the result.");
Console.WriteLine("quit\t\t\tQuit the application");
break;
// Create a server
case "createserver":
Servers.Add(new Server());
Console.WriteLine("Created Server " + (Servers.Count - 1));
break;
// Delete a server
case "deleteserver":
int index = int.Parse(commandArgs[1]);
Servers.RemoveAt(index);
Console.WriteLine("Deleted Server " + index);
break;
// List all servers - if there are none, let the user know
case "listservers":
if (Servers.Count == 0)
{
Console.WriteLine("No servers available.");
break;
}
for (int i = 0; i < Servers.Count; ++i)
{
Console.WriteLine("Server " + i);
}
break;
// Create a new request
case "new":
string path = commandArgs[1];
int data = int.Parse(commandArgs[2]);
PendingRequests.Enqueue(new Request(path, data));
Console.WriteLine("Request created with data " + data + " going to " + path);
break;
// Find an available server and send them a pending request
case "dispatch":
// Have the specified server do their work
case "server":
Console.WriteLine("Unimplemented.");
break;
default:
if (command != "")
{
Console.WriteLine("Invalid command.");
}
break;
}
Console.WriteLine();
command = Console.ReadLine();
}
}
static void Main(string[] args)
{
List <Server> servers = new List <Server>();
Queue <Request> pendingRequests = new Queue <Request>();
Query query = new ServerQuery();
Route addRoute = new AddRoute("/add");
Route mul4Route = new Multiply4Route("/mul/4", addRoute);
Route mulRoute = new MultiplyRoute("/mul", mul4Route);
Route baseRoute = new Route(null, mulRoute);
Console.WriteLine("Please enter a command.");
string command = "";
while (command != "quit")
{
string[] commandArgs = command.Split(":");
Console.WriteLine();
switch (commandArgs[0])
{
case "help":
Console.WriteLine("help\t\t\tDisplay this menu");
Console.WriteLine("createserver\t\tCreate a new server.");
Console.WriteLine("deleteserver:[id]\tDelete server #ID.");
Console.WriteLine("listservers\t\tList all servers.");
Console.WriteLine("new:[path]:[payload]\tCreate a new pending request.");
Console.WriteLine("dispatch\t\tSend a pending request to a server.");
Console.WriteLine("server:[id]\t\tHave server #ID execute its pending request and print the result.");
Console.WriteLine("quit\t\t\tQuit the application");
break;
case "createserver":
servers.Add(new Server());
Console.WriteLine("Created server " + (servers.Count - 1) + ".");
break;
case "deleteserver":
int i = int.Parse(commandArgs[1]);
if (i < servers.Count && i >= 0 && servers.Count != 0)
{
servers.RemoveAt(i);
Console.WriteLine("Deleted server " + i + ".");
}
else
{
Console.WriteLine("Invelid ID specified");
}
break;
case "listservers":
if (servers.Count != 0)
{
for (int ii = 0; ii < servers.Count; ii++)
{
Console.WriteLine(ii + "\tServer");
}
}
else
{
Console.WriteLine("No servers available.");
}
break;
case "new":
int payload;
if (int.TryParse(commandArgs[2], out payload))
{
string path = commandArgs[1];
pendingRequests.Enqueue(new Request(path, payload));
Console.WriteLine("Created request with data " + payload.ToString() + " going to " + path + ".");
}
else
{
Console.WriteLine("Invalid payload specified.");
}
break;
case "dispatch":
if (pendingRequests.Count != 0)
{
bool notAvail = true;
for (int iii = 0; iii < servers.Count; iii++)
{
if (servers[iii].AcceptQuery(query))
{
servers[iii].SetRequest(pendingRequests.Dequeue());
Console.WriteLine("Sent request to Server " + iii.ToString() + ".");
notAvail = false;
break;
}
}
// if none of the servers were available
if (notAvail)
{
Console.WriteLine("No servers available (521).");
}
}
else
{
Console.WriteLine("No pending request.");
}
break;
case "server":
int serverIndex;
if (int.TryParse(commandArgs[1], out serverIndex))
{
if (serverIndex < servers.Count && serverIndex >= 0 && servers.Count != 0)
{
Console.WriteLine(servers[serverIndex].GetRequestInfo());
Console.WriteLine("Result: " + servers[serverIndex].Execute(baseRoute).ToString());
servers[serverIndex].SetRequest(null);
}
else
{
Console.WriteLine("Invalid ID specified.");
}
}
else
{
Console.WriteLine("Invalid ID specified.");
}
break;
default:
if (command != "")
{
Console.WriteLine("Invalid command.");
}
break;
}
Console.WriteLine();
command = Console.ReadLine();
}
}
