public void DoSendMessaggeWork()
{
while (true)
{
while (!PayloadStorage.IsEmpty())
{
var payload = PayloadStorage.GetNext();
if (payload != null)
{
var connections = ConnectionsStorage.GetConnectionsByTopic(payload.Topic);
foreach (var connection in connections)
{
var payloadString = JsonConvert.SerializeObject(payload);
byte[] data = Encoding.UTF8.GetBytes(payloadString);
connection.Socket.Send(data);
}
}
}
Thread.Sleep(TIME_TO_SLEEP);
}
}
public static void Handle(byte[] payloadBytes, ConnectionInfo connectionInfo)
{
var payloadString = Encoding.UTF8.GetString(payloadBytes);
try
{
payloadString = payloadString.Substring(payloadString.IndexOf('{'));
}
catch
{
}
Payload payload = JsonConvert.DeserializeObject<Payload>(payloadString);
if(payload != null)
{
if (payload.type == "subscriber")
{
connectionInfo.Topic = payload.topic;
ConnectionsStorage.Add(connectionInfo);
}
else
{
PayloadStorage.Add(payload);
}
}
}
public void DoSendTopicWork()
{
while (true)
{
while (!PayloadStorage.IsEmpty() && ConnectionsStorage.ExistConnections() &&
(ConnectionsStorage.GetConnectionsByTopic(PayloadStorage.CheckNextTopic()).Count != 0 || PayloadStorage.CheckNextTopic() == "publisher-end"))
{
var payload = PayloadStorage.GetNext();
if (payload != null)
{
var connections = ConnectionsStorage.GetConnectionsByTopic(payload.topic);
if (payload.type == "end")
{
connections = ConnectionsStorage.GetConnections();
}
foreach (var connection in connections)
{
var payloadString = JsonConvert.SerializeObject(payload);
byte[] data = Encoding.UTF8.GetBytes(payloadString);
Console.WriteLine(payloadString);
connection.Socket.Send(data);
}
}
}
Thread.Sleep(TIME_TO_SLEEP);
}
}
public static void Handle(byte[] payloadBytes, ConnectionInfo connectionInfo)
{
var payloadString = Encoding.UTF8.GetString(payloadBytes);
if (payloadString.StartsWith("subscribe#"))
{
connectionInfo.Topic = payloadString.Split("subscribe#").LastOrDefault();
ConnectionsStorage.Add(connectionInfo);
}
else
{
Payload payload = JsonConvert.DeserializeObject <Payload>(payloadString);
PayloadStorage.Add(payload);
}
}
private void ReceiveCallBack(IAsyncResult asyncResult)
{
ConnectionInfo connection = asyncResult.AsyncState as ConnectionInfo;
try
{
Socket senderSocket = connection.Socket;
SocketError response;
int buffSize = senderSocket.EndReceive(asyncResult, out response);
if (response == SocketError.Success)
{
byte[] payload = new byte[buffSize];
Array.Copy(connection.Data, payload, payload.Length);
PayloadHandler.Handle(payload, connection);
}
}
catch (Exception e)
{
Console.WriteLine($"Can't receive data: {e.Message}");
}
finally
{
try
{
connection.Socket.BeginReceive(connection.Data, 0, connection.Data.Length,
SocketFlags.None, ReceiveCallBack, connection);
}
catch (Exception e)
{
Console.WriteLine($"{e.Message}");
var address = connection.Socket.RemoteEndPoint.ToString();
Payload payload = new Payload()
{
type = "end",
topic = "publisher-end",
post = Settings.LAST_WILL_MESSAGE
};
PayloadStorage.Add(payload);
ConnectionsStorage.Remove(address);
connection.Socket.Close();
}
}
}
private void ReceiveCallback(IAsyncResult asyncResult)
{
ConnectionInfo connection = asyncResult.AsyncState as ConnectionInfo;
try
{
Socket senderSocket = connection.Socket;
SocketError response;
int buffSize = senderSocket.EndReceive(asyncResult, out response);
if (response == SocketError.Success)
{
byte[] payload = new byte[buffSize];
Array.Copy(connection.Data, payload, payload.Length);
//Handle payload
PayloadHandler.Handle(payload, connection);
}
}
catch (Exception e)
{
Console.WriteLine($"Can't recieve data. {e.Message}");
}
finally
{
try
{
connection.Socket.BeginReceive(connection.Data, 0, connection.Data.Length,
SocketFlags.None, ReceiveCallback, connection);
}
catch (Exception e)
{
Console.WriteLine($"{e.Message }");
var address = connection.Socket.RemoteEndPoint.ToString();
ConnectionsStorage.Remove(address);
connection.Socket.Close();
}
}
}
