//Function: Main
//The main method, contains an input loop for console interactivity
static void Main(string[] args)
{
bool active = true; //This bool keeps the loop going until the user chooses to exit
controller = new ThreadController(); //This class will handle all of the functionality of the Application
while (active)
{
var input = Console.ReadLine();
string command;
string parameter;
if (input.Contains(" "))//this code block seperates commands with multiple qords into a command and a parameter
{
command = input.Substring(0, input.IndexOf(" ")).Trim();
parameter = input.Substring(input.IndexOf(" "), input.Length - command.Length).Trim();
}
else
{
command = input;
parameter = "";
}
Console.WriteLine("COMMAND----------> " + input);
if (command.Equals("Add-Channel"))
{
controller.addClient(parameter);
}
else if (command.Equals("Drop-Channel"))
{
controller.dropClient(parameter);
}
else if (command.Equals("List-Channels"))
{
Console.WriteLine("The active threads are:");
controller.listThreads();
}
else if (command.Equals("Count"))
{
Console.WriteLine("The message queue has " + controller.queueSize() + " messages in it right now");
}
else if (command.Equals("Exit"))
{
controller.exit();
active = false;
}
}
}
/**
* The main loop to be run as a thread. Generates a Kafka client that checks
* for new messages COMMANDS and then calls the appropriete function from <THreadController>
*/
public void CommandThread()
{
Console.WriteLine("CommandThread Start");
Active = true;
//Objs: Kafka Client
//
//consumer - the Kafka consumer that will connect to the Kafka server
//topicp - what partition to start looking for messages in.
var consumer = new ConsumerBuilder <string, string>(config).Build();
var topicp = new TopicPartition(topic, 0);
consumer.Assign(topicp);
while (Active)
{
try
{
/**
* the result of <consumer> checking for nes messages
*/
var consumeresult = consumer.Consume(canceltoken);
if (!consumeresult.IsPartitionEOF)
{
/*
* This section breaks down the message and then exicutes the appropriete command
*/
//Vars: Commad Strings
//
//input - the raw message
//command - the part of the message that specifies what function to exicute
//parameter - the part of a message that may be passed into a function at exicution
var input = consumeresult.Value;
string command;
string parameter;
if (input.Contains(" "))
{
command = input.Substring(0, input.IndexOf(" ")).Trim();
parameter = input.Substring(input.IndexOf(" "), input.Length - command.Length).Trim();
}
else
{
command = input;
parameter = "";
}
Console.WriteLine("COMMAND----------> " + input);
if (command.Equals("Add-Channel"))
{
controller.addClient(parameter);
}
else if (command.Equals("Drop-Channel"))
{
controller.dropClient(parameter);
}
else if (command.Equals("TRBList-Channels"))
{
Console.WriteLine("The active threads are:");
controller.listThreads();
}
else if (command.Equals("TRBCount"))
{
Console.WriteLine("The message queue has " + controller.queueSize() + " messages in it right now");
}
else if (command.Equals("TRBExit") || command.Equals("System-Shutdown"))
{
controller.exit();
Active = false;
source.Cancel();
}
}
else
{
Thread.Sleep(100);
}
}
catch (System.OperationCanceledException e)
{
}
}
}