private void UnSubscribe(Subscription subscribe)
{
// TODO Do some locking
foreach (Subscription subscriber in Subscribers)
{
if (subscriber.MessageType.Equals(subscribe.MessageType) && subscriber.Ip.Equals(subscribe.Ip))
{
Subscribers.Remove(subscriber);
break;
}
}
}
private void UnSubscribe(string message)
{
string[] parts = message.Split(':');
// Validate the subscription message
if (parts.Length == 3)
{
// Validate the IP address
string[] ipParts = parts[2].Split('.');
if (ipParts.Length != 4)
{
return;
}
// Validate the message that we are unsubscribing from
Subscription subscription = new Subscription(parts[1], parts[2],parts[3]);
UnSubscribe(subscription);
}
}
private void SendMessage(Subscription subscription, string message)
{
try
{
TcpClient client = new TcpClient(subscription.Ip, subscription.Port);
// Translate the passed message into ASCII and store it as a Byte array.
Byte[] data = System.Text.Encoding.ASCII.GetBytes(message);
NetworkStream stream = client.GetStream();
// Send the message to the connected TcpServer.
stream.Write(data, 0, data.Length);
stream.Flush();
stream.Close();
}
catch (Exception ex)
{
Console.WriteLine("Exception while trying to send message {2} to {0} on port {1} Error: {3}",subscription.Ip,subscription.Port,message,ex.Message);
// TODO remove subscribers that are not responding
//Subscribers.Remove(subscription);
}
}
private void Subscribe(Subscription subscribe)
{
// TODO Do some locking
bool found = false;
foreach (Subscription subscriber in Subscribers)
{
if (subscriber.MessageType.Equals(subscribe.MessageType) && subscriber.Ip.Equals(subscribe.Ip))
{
found = true;
break;
}
}
if (!found)
Subscribers.Add(subscribe);
}
public void Subscribe(Subscription subscription)
{
// Publish the message to the broker
TcpClient client = new TcpClient(BrokerIp, BrokerPort);
// Translate the passed message into ASCII and store it as a Byte array.
Byte[] data = System.Text.Encoding.ASCII.GetBytes(subscription.SubscribeMessage);
NetworkStream stream = client.GetStream();
// Send the message to the connected TcpServer.
stream.Write(data, 0, data.Length);
stream.Flush();
client.Close();
}
