public async Task <LongPollingResponse> GetTaskEightData([FromBody] LongPollingRequest request)
{
UpdateDto update = null;
UniversityDto[] dtos = null;
int iterationsCount = ITERATIONS_COUNT;
do
{
update = await updatesService.GetUniversitiesListUpdate(request.TimeStamp);
if (update.NeedUpdate)
{
dtos = universitiesService.GetUniversitiesAboveRating(VSU_RATING);
break;
}
if (iterationsCount == 0)
{
await NoContent().ExecuteResultAsync(ControllerContext);
return(null);
}
iterationsCount--;
await Task.Delay(MS_DELAY);
}while (!update.NeedUpdate);
return(new LongPollingResponse()
{
IsFinished = update.IsFinished,
TimeStamp = update.TimeStamp,
Universities = dtos
});
}
public override void Send(
ITransportListener listener,
IList <IMutableMessage> messages,
int requestTimeout = 1200)
{
//Console.WriteLine();
//Console.WriteLine("send({0} message(s))", messages.Count);
var url = Url;
if (_appendMessageType && messages.Count == 1 && messages[0].Meta)
{
var type = messages[0].Channel.Substring(ChannelFields.META.Length);
if (url.EndsWith("/"))
{
url = url.Substring(0, url.Length - 1);
}
url += type;
}
var request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/json;charset=UTF-8";
if (request.CookieContainer == null)
{
request.CookieContainer = new CookieContainer();
}
request.CookieContainer.Add(GetCookieCollection());
if (request.Headers == null)
{
request.Headers = new WebHeaderCollection();
}
request.Headers.Add(GetHeaderCollection());
var content = JsonConvert.SerializeObject(ObjectConverter.ToListOfDictionary(messages));
_logger?.LogDebug($"Send: {content}");
var longPollingRequest = new LongPollingRequest(listener, messages, request, requestTimeout);
var exchange = new TransportExchange(this, listener, messages, longPollingRequest)
{
Content = content,
Request = request
};
lock (this)
{
_exchanges.Add(exchange);
}
longPollingRequest.Exchange = exchange;
AddRequest(longPollingRequest);
}
public void removeRequest(LongPollingRequest request)
{
lock (this)
{
transmissions.Remove(request);
}
performNextRequest();
}
public void addRequest(LongPollingRequest request)
{
lock (this)
{
transportQueue.Add(request);
}
performNextRequest();
}
public void RemoveRequest(LongPollingRequest request)
{
lock (_lockObject)
{
_transmissions.Remove(request);
}
PerformNextRequest();
}
public void AddRequest(LongPollingRequest request)
{
lock (_lockObject)
{
_transportQueue.Add(request);
}
PerformNextRequest();
}
public TransportExchange(LongPollingTransport _parent, ITransportListener _listener, IList <IMutableMessage> _messages,
LongPollingRequest _lprequest)
{
parent = _parent;
listener = _listener;
messages = _messages;
request = null;
lprequest = _lprequest;
isSending = true;
}
public TransportExchange(LongPollingTransport parent, ITransportListener listener, IList <IMutableMessage> messages,
LongPollingRequest lprequest)
{
_parent = parent;
Listener = listener;
Messages = messages;
Request = null;
LpRequest = lprequest;
IsSending = true;
}
public override void send(ITransportListener listener, IList <IMutableMessage> messages)
{
//Console.WriteLine();
//Console.WriteLine("send({0} message(s))", messages.Count);
String url = getURL();
if (_appendMessageType && messages.Count == 1 && messages[0].Meta)
{
String type = messages[0].Channel.Substring(Channel_Fields.META.Length);
if (url.EndsWith("/"))
{
url = url.Substring(0, url.Length - 1);
}
url += type;
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/json;charset=UTF-8";
#if !SILVERLIGHT
if (request.CookieContainer == null)
{
request.CookieContainer = new CookieContainer();
}
request.CookieContainer.Add(getCookieCollection());
#endif
#if !SILVERLIGHT
JavaScriptSerializer jsonParser = new JavaScriptSerializer();
String content = jsonParser.Serialize(ObjectConverter.ToListOfDictionary(messages));
#endif
#if SILVERLIGHT
String content = JsonConvert.SerializeObject(ObjectConverter.ToListOfDictionary(messages));
#endif
LongPollingRequest longPollingRequest = new LongPollingRequest(listener, messages, request);
TransportExchange exchange = new TransportExchange(this, listener, messages, longPollingRequest);
exchange.content = content;
exchange.request = request;
lock (this)
{
_exchanges.Add(exchange);
}
longPollingRequest.exchange = exchange;
addRequest(longPollingRequest);
}
private void performNextRequest()
{
bool ok = false;
LongPollingRequest nextRequest = null;
lock (this)
{
if (transportQueue.Count > 0 && transmissions.Count <= 1)
{
ok = true;
nextRequest = transportQueue[0];
transportQueue.Remove(nextRequest);
transmissions.Add(nextRequest);
}
}
if (ok && nextRequest != null)
{
nextRequest.send();
}
}
private void PerformNextRequest()
{
var ok = false;
LongPollingRequest nextRequest = null;
lock (this)
{
if (_transportQueue.Count > 0 && _transmissions.Count <= 1)
{
ok = true;
nextRequest = _transportQueue[0];
_transportQueue.Remove(nextRequest);
_transmissions.Add(nextRequest);
}
}
if (ok)
{
nextRequest?.Send();
}
}
public TransportExchange(LongPollingTransport _parent, ITransportListener _listener, IList<IMutableMessage> _messages,
LongPollingRequest _lprequest)
{
parent = _parent;
listener = _listener;
messages = _messages;
request = null;
lprequest = _lprequest;
isSending = true;
}
public override void send(ITransportListener listener, IList<IMutableMessage> messages)
{
//Console.WriteLine();
//Console.WriteLine("send({0} message(s))", messages.Count);
String url = getURL();
if (_appendMessageType && messages.Count == 1 && messages[0].Meta)
{
String type = messages[0].Channel.Substring(Channel_Fields.META.Length);
if (url.EndsWith("/"))
url = url.Substring(0, url.Length - 1);
url += type;
}
HttpWebRequest request = (HttpWebRequest)WebRequest.Create(url);
request.Method = "POST";
request.ContentType = "application/json;charset=UTF-8";
if (request.CookieContainer == null)
request.CookieContainer = new CookieContainer();
request.CookieContainer.Add(getCookieCollection());
JavaScriptSerializer jsonParser = new JavaScriptSerializer();
String content = jsonParser.Serialize(ObjectConverter.ToListOfDictionary(messages));
LongPollingRequest longPollingRequest = new LongPollingRequest(listener, messages, request);
TransportExchange exchange = new TransportExchange(this, listener, messages, longPollingRequest);
exchange.content = content;
exchange.request = request;
lock (this)
{
_exchanges.Add(exchange);
}
longPollingRequest.exchange = exchange;
addRequest(longPollingRequest);
}
public void removeRequest(LongPollingRequest request)
{
lock (this)
{
transmissions.Remove(request);
}
performNextRequest();
}
public void addRequest(LongPollingRequest request)
{
lock (this)
{
transportQueue.Add(request);
}
performNextRequest();
}
