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RemoteWSConsummerThread.cs
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RemoteWSConsummerThread.cs
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using System;
using System.Collections.Concurrent;
using System.Net.WebSockets;
using System.Text;
using System.Threading;
using org.kevoree;
using org.kevoree.factory;
using org.kevoree.pmodeling.api.json;
using Org.Kevoree.Core.Api.Protocol;
using Org.Kevoree.Core.Marshalled;
using Org.Kevoree.Log;
using Org.Kevoree.Log.Api;
namespace Org.Kevoree.Library
{
public class RemoteWSConsummerThread
{
private readonly RemoteWSGroup _group;
private readonly JSONModelLoader _loader = new JSONModelLoader(new DefaultKevoreeFactory());
private ILogger _logger;
public RemoteWSConsummerThread(RemoteWSGroup group, ILogger logger)
{
this._group = group;
this._logger = logger;
}
private string getInstanceName()
{
return _group.getContext().getInstanceName();
}
private void casePush(Protocol.PushMessage pushMessage)
{
var model = pushMessage.getModel();
if (model != null && model.Length != 0)
{
var models = _loader.loadModelFromString(model);
if (models != null && model.Length > 0)
{
_group.getModelService().update(new ContainerRootMarshalled((ContainerRoot)models.get(0)), null);
}
else
{
_logger.Warn(string.Format("\"{0}\" received model is empty, push aborted",
_group.getContext().getInstanceName()));
}
}
else
{
_logger.Warn(string.Format("\"{0}\" push message does not contain a model, push aborted", getInstanceName()));
}
}
private async void send(string str)
{
this._group.getWebsocket().Send(str);
}
private void casePull(Protocol.PullMessage pullMessage)
{
if (_group.AnswerPull())
{
_logger.Info(string.Format("\"{0}\" received a pull request", getInstanceName()));
try
{
send(_group.getModelService().getCurrentModel().getModel().serialize());
}
catch
{
_logger.Warn(string.Format("\"{0}\" unable to serialize current model, pull aborted", getInstanceName()));
}
}
else
{
_logger.Warn(string.Format("\"{}\" received a pull request, but 'answerPull' mode is false",
getInstanceName()));
}
}
private void caseDefault(string message)
{
var summary = GetMessageSummary(message);
_logger.Debug(string.Format("\"{0}\" unknown incoming message ({0})", getInstanceName(), summary));
}
private static string GetMessageSummary(string message)
{
string summary;
if (message.Length > 10)
{
summary = message.Substring(0, 10) + "...";
}
else
{
summary = message;
}
return summary;
}
public void Consume()
{
try
{
foreach (var message in this._group.getQueue().GetConsumingEnumerable())
{
try
{
_logger.Info("Message dequeued");
var parsedMessage = Protocol.parse(message);
var messageType = parsedMessage.getType();
if (messageType == Protocol.PUSH_TYPE)
{
casePush((Protocol.PushMessage) parsedMessage);
}
else if (messageType == Protocol.PULL_TYPE)
{
casePull((Protocol.PullMessage) parsedMessage);
}
else
{
caseDefault(message);
}
}
catch
{
var summary = GetMessageSummary(message);
_logger.Warn(string.Format("\"{0}\" unable to process incoming message ({1})", getInstanceName(), summary));
}
}
}
catch (OperationCanceledException) { }
_logger.Debug("Consummer stopped");
}
internal void RequestStop()
{
_logger.Debug("Consummer stop requested");
this._group.getQueue().CompleteAdding();
}
}
}