private static void QueueCacheItem_Removed(object Sender, CacheItemEventArgs <string, TabQueue> e)
{
TabQueue Queue = e.Value;
string TabID = Queue.TabID;
string Location;
Queue.Queue.Clear();
lock (locationByTabID)
{
if (locationByTabID.TryGetValue(TabID, out Location))
{
locationByTabID.Remove(TabID);
}
else
{
Location = null;
}
}
if (Location != null)
{
lock (tabIdsByLocation)
{
if (tabIdsByLocation.TryGetValue(Location, out Dictionary <string, List <KeyValuePair <string, string> > > TabIDs))
{
if (TabIDs.Remove(TabID) && TabIDs.Count == 0)
{
tabIdsByLocation.Remove(Location);
}
}
}
}
}
/// <summary>
/// Executes the POST method on the resource.
/// </summary>
/// <param name="Request">HTTP Request</param>
/// <param name="Response">HTTP Response</param>
/// <exception cref="HttpException">If an error occurred when processing the method.</exception>
public async Task POST(HttpRequest Request, HttpResponse Response)
{
if (!Request.HasData || Request.Session is null)
{
throw new BadRequestException();
}
// TODO: Check User authenticated
object Obj = Request.DecodeData();
string TabID = Request.Header["X-TabID"];
if (!(Obj is string Location) || string.IsNullOrEmpty(TabID))
{
throw new BadRequestException();
}
TabQueue Queue = Register(Request, null, Location, TabID);
StringBuilder Json = null;
Response.ContentType = "application/json";
if (!await Queue.SyncObj.TryBeginWrite(10000))
{
throw new InternalServerErrorException("Unable to get access to queue.");
}
try
{
if (!(Queue.Queue.First is null))
{
foreach (string Event in Queue.Queue)
{
if (Json is null)
{
Json = new StringBuilder("[");
}
else
{
Json.Append(',');
}
Json.Append(Event);
}
Queue.Queue.Clear();
Queue.Response = null;
}
else
{
Queue.Response = Response;
}
}
/// <summary>
/// Executes the POST method on the resource.
/// </summary>
/// <param name="Request">HTTP Request</param>
/// <param name="Response">HTTP Response</param>
/// <exception cref="HttpException">If an error occurred when processing the method.</exception>
public void POST(HttpRequest Request, HttpResponse Response)
{
if (!Request.HasData || Request.Session is null)
{
throw new BadRequestException();
}
// TODO: Check User authenticated
object Obj = Request.DecodeData();
string TabID = Request.Header["X-TabID"];
if (!(Obj is string Location) || string.IsNullOrEmpty(TabID))
{
throw new BadRequestException();
}
TabQueue Queue = Register(Request, null, Location, TabID);
StringBuilder Json = null;
Response.ContentType = "application/json";
lock (Queue)
{
if (!(Queue.Queue.First is null))
{
foreach (string Event in Queue.Queue)
{
if (Json is null)
{
Json = new StringBuilder("[");
}
else
{
Json.Append(',');
}
Json.Append(Event);
}
Queue.Queue.Clear();
Queue.Response = null;
}
/// <summary>
/// Executes the POST method on the resource.
/// </summary>
/// <param name="Request">HTTP Request</param>
/// <param name="Response">HTTP Response</param>
/// <exception cref="HttpException">If an error occurred when processing the method.</exception>
public void POST(HttpRequest Request, HttpResponse Response)
{
if (!Request.HasData || Request.Session == null)
{
throw new BadRequestException();
}
// TODO: Check User authenticated
object Obj = Request.DecodeData();
string TabID = Request.Header["X-TabID"];
if (!(Obj is string Location) || string.IsNullOrEmpty(TabID))
{
throw new BadRequestException();
}
Uri Uri = new Uri(Location);
string Resource = Uri.LocalPath;
List <KeyValuePair <string, string> > Query = null;
string s;
if (!string.IsNullOrEmpty(Uri.Query))
{
Query = new List <KeyValuePair <string, string> >();
int i;
s = Uri.Query;
if (s.StartsWith("?"))
{
s = s.Substring(1);
}
foreach (string Part in s.Split('&'))
{
i = Part.IndexOf('=');
if (i < 0)
{
Query.Add(new KeyValuePair <string, string>(Part, string.Empty));
}
else
{
Query.Add(new KeyValuePair <string, string>(Part.Substring(0, i), Part.Substring(i + 1)));
}
}
}
Response.ContentType = "application/json";
if (!eventsByTabID.TryGetValue(TabID, out TabQueue Queue))
{
HttpFieldCookie Cookie = Request.Header.Cookie;
string HttpSessionID = Cookie == null ? string.Empty : Cookie["HttpSessionID"];
Queue = new TabQueue(TabID, HttpSessionID, Request.Session);
eventsByTabID[TabID] = Queue;
}
lock (locationByTabID)
{
if (!locationByTabID.TryGetValue(TabID, out s) || s != Resource)
{
locationByTabID[TabID] = Resource;
}
}
lock (tabIdsByLocation)
{
if (!tabIdsByLocation.TryGetValue(Resource, out Dictionary <string, List <KeyValuePair <string, string> > > TabIds))
{
TabIds = new Dictionary <string, List <KeyValuePair <string, string> > >();
tabIdsByLocation[Resource] = TabIds;
}
TabIds[TabID] = Query;
}
StringBuilder Json = null;
lock (Queue)
{
if (Queue.Queue.First != null)
{
foreach (string Event in Queue.Queue)
{
if (Json == null)
{
Json = new StringBuilder("[");
}
else
{
Json.Append(',');
}
Json.Append(Event);
}
Queue.Queue.Clear();
Queue.Response = null;
}
else
{
Queue.Response = Response;
}
}
if (Json != null)
{
timeoutByTabID.Remove(TabID);
Json.Append(']');
Response.Write(Json.ToString());
Response.SendResponse();
Response.Dispose();
}
else
{
timeoutByTabID[TabID] = Queue;
}
}
internal static void RegisterWebSocket(WebSocket Socket, string Location, string TabID)
{
Uri Uri = new Uri(Location);
string Resource = Uri.LocalPath;
List <KeyValuePair <string, string> > Query = null;
string s;
if (!string.IsNullOrEmpty(Uri.Query))
{
Query = new List <KeyValuePair <string, string> >();
int i;
s = Uri.Query;
if (s.StartsWith("?"))
{
s = s.Substring(1);
}
foreach (string Part in s.Split('&'))
{
i = Part.IndexOf('=');
if (i < 0)
{
Query.Add(new KeyValuePair <string, string>(Part, string.Empty));
}
else
{
Query.Add(new KeyValuePair <string, string>(Part.Substring(0, i), Part.Substring(i + 1)));
}
}
}
if (eventsByTabID.TryGetValue(TabID, out TabQueue Queue))
{
Queue.WebSocket = Socket;
}
else
{
HttpFieldCookie Cookie = Socket.HttpRequest.Header.Cookie;
string HttpSessionID = Cookie == null ? string.Empty : Cookie["HttpSessionID"];
Queue = new TabQueue(TabID, HttpSessionID, Socket.HttpRequest.Session)
{
WebSocket = Socket
};
eventsByTabID[TabID] = Queue;
}
lock (locationByTabID)
{
if (!locationByTabID.TryGetValue(TabID, out s) || s != Resource)
{
locationByTabID[TabID] = Resource;
}
}
lock (tabIdsByLocation)
{
if (!tabIdsByLocation.TryGetValue(Resource, out Dictionary <string, List <KeyValuePair <string, string> > > TabIds))
{
TabIds = new Dictionary <string, List <KeyValuePair <string, string> > >();
tabIdsByLocation[Resource] = TabIds;
}
TabIds[TabID] = Query;
}
LinkedList <string> ToSend = null;
lock (Queue)
{
if (Queue.Queue.First != null)
{
ToSend = new LinkedList <string>();
foreach (string s2 in Queue.Queue)
{
ToSend.AddLast(s2);
}
Queue.Queue.Clear();
}
}
if (ToSend != null)
{
foreach (string s2 in ToSend)
{
Socket.Send(s2, 4096);
}
}
}
public Instance(TabQueue tab)
{
Tab = tab;
}
