/// <summary>
/// NotifyChangeToAllClients.
/// notify all the clients about the command.
/// </summary>
/// <param name="args">CommandRecievedEventArgs</param>
private void NotifyChangeToAllClients(CommandRecievedEventArgs args)
{
foreach (TcpClient client in clientsList)
{
new Task(() =>
{
try
{
NetworkStream stream = client.GetStream();
BinaryReader reader = new BinaryReader(stream);
BinaryWriter writer = new BinaryWriter(stream);
//write the command to the clients.
WriteMutex.WaitOne();
writer.Write(JsonConvert.SerializeObject(args));
WriteMutex.ReleaseMutex();
} catch (Exception e)
{
//remove the problematic client from clients list
ClientsListMutex.WaitOne();
clientsList.Remove(client);
ClientsListMutex.ReleaseMutex();
// log failure
this.m_logging.Log(e.ToString(), MessageTypeEnum.FAIL);
this.m_logging.Log("One of clients seems to be offline", MessageTypeEnum.FAIL);
//!will continue treating next client naturally!
}
}).Start();
}
}
/// <summary>
/// HandleClient.
/// handle with a client(in different thread).
/// </summary>
/// <param name="client">TcpClient</param>
private void HandleClient(TcpClient client)
{
new Task(() =>
{
try
{
NetworkStream stream = client.GetStream();
BinaryReader reader = new BinaryReader(stream);
BinaryWriter writer = new BinaryWriter(stream);
bool successFlag;
string result;
while (true)
{
//read client data request in the form of a command, then return data
String rawData = reader.ReadString();
CommandRecievedEventArgs commandArgs = JsonConvert.DeserializeObject <CommandRecievedEventArgs>(rawData);
//execute the command.
result = m_controller.ExecuteCommand(commandArgs.CommandID, commandArgs.Args, out successFlag);
//write the result to the client.
WriteMutex.WaitOne();
writer.Write(result);
WriteMutex.ReleaseMutex();
}
}
catch (Exception e)
{
//remove the problematic client from clients list
ClientsListMutex.WaitOne();
clientsList.Remove(client);
ClientsListMutex.ReleaseMutex();
//log failure
this.m_logging.Log("One of clients seems to be offline", MessageTypeEnum.FAIL);
return;
}
}).Start();
}
public void Dispose()
{
WriteMutex.Release();
}
