public TaskStatus AcceptTask(int num1, int num2, string op)
{
string taskData = num1.ToString() + "," + op + "," + num2.ToString();
int taskId = this.StartNewTask(taskData);
TaskStatus ts = new TaskStatus();
ts.TaskId = taskId;
ts.Complete = false;
ts.Successful = false;
ts.ResultMessage = "Task started...";
return ts;
}
public TaskStatus AcceptTask(int num1, int num2, string op)
{
string taskData = num1.ToString() + "," + op + "," + num2.ToString();
Binding binding = new NetTcpBinding();
ICoordinator proxy = ChannelFactory<ICoordinator>.CreateChannel(binding, _coordinatorAddress);
int taskId = proxy.StartNewTask(taskData);
TaskStatus ts = new TaskStatus();
ts.TaskId = taskId;
ts.Complete = false;
ts.Successful = false;
ts.ResultMessage = "Task started...";
return ts;
}
private static void WaitForResult(TaskStatus t, int port)
{
bool isComplete = false;
do
{
Console.Write(".");
Thread.Sleep(500);
Console.Write(".");
Thread.Sleep(500);
Console.Write(".");
Thread.Sleep(500);
EndpointAddress a = new EndpointAddress(string.Format("net.tcp://localhost:{0}", port.ToString()));
Binding binding = new NetTcpBinding();
ITask proxy = ChannelFactory<ITask>.CreateChannel(binding, a);
TaskStatus status = proxy.CheckProgress(t.TaskId);
isComplete = status.Complete;
Console.WriteLine();
Console.WriteLine("Status Report for Task ID:{0}", t.TaskId);
Console.WriteLine("The task is currently {0}", status.Complete ? "Complete" : "Incomplete");
Console.WriteLine("The current state is: {0}", status.ResultMessage);
Console.WriteLine();
}
while(!isComplete);
Console.WriteLine("Task Finished");
}
private void DoNextTask(Task task)
{
Console.WriteLine("Starting Task ID: {0}...", task.TaskId);
int operand1, operand2, result;
string op;
string[] chunks = task.TaskData.Split(new[] { ',' });
operand1 = int.Parse(chunks[0]);
op = chunks[1];
operand2 = int.Parse(chunks[2]);
switch (op)
{
case "+":
result = operand1 + operand2;
break;
case "-":
result = operand1 - operand2;
break;
case "*":
result = operand1 * operand2;
break;
case "/":
result = operand1 / operand2;
break;
default:
throw new Exception("Operator not recognised");
}
TaskStatus status = new TaskStatus() { Successful = true, Complete = true, ResultMessage = string.Format("{0}: The result of {1} is {2}", _processHost.Description.Endpoints[1].Address.ToString(), (operand1.ToString() + " " + op + " " + operand2.ToString()), result) };
// wait here to mimic a long running task
Thread.Sleep(5000);
lock (_statusLock)
{
_taskStatuses[task.TaskId] = status;
}
Console.WriteLine("Task completed");
Console.WriteLine();
}
