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SubscribeManager.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading;
using PubnubApi.Interface;
using System.Net;
using System.Threading.Tasks;
using System.Globalization;
namespace PubnubApi.EndPoint
{
internal class SubscribeManager : PubnubCoreBase, IDisposable
{
private static ConcurrentDictionary<string, PNConfiguration> config { get; } = new ConcurrentDictionary<string, PNConfiguration>();
private static IJsonPluggableLibrary jsonLibrary;
private static IPubnubUnitTest unit;
private static IPubnubLog pubnubLog;
private static EndPoint.TelemetryManager pubnubTelemetryMgr;
private static Timer SubscribeHeartbeatCheckTimer;
private Timer multiplexExceptionTimer;
private Dictionary<string, object> customQueryParam;
public SubscribeManager(PNConfiguration pubnubConfig, IJsonPluggableLibrary jsonPluggableLibrary, IPubnubUnitTest pubnubUnit, IPubnubLog log, EndPoint.TelemetryManager telemetryManager, EndPoint.TokenManager tokenManager, Pubnub instance) : base(pubnubConfig, jsonPluggableLibrary, pubnubUnit, log, telemetryManager, tokenManager, instance)
{
config.AddOrUpdate(instance.InstanceId, pubnubConfig, (k, o) => pubnubConfig);
jsonLibrary = jsonPluggableLibrary;
unit = pubnubUnit;
pubnubLog = log;
pubnubTelemetryMgr = telemetryManager;
}
#pragma warning disable
internal void MultiChannelUnSubscribeAll<T>(PNOperationType type, Dictionary<string, object> externalQueryParam)
#pragma warning restore
{
//Retrieve the current channels already subscribed previously and terminate them
string[] currentChannels = (MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelSubscribe[PubnubInstance.InstanceId] != null) ? MultiChannelSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>() : null;
string[] currentChannelGroups = (MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelGroupSubscribe[PubnubInstance.InstanceId] != null) ? MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>() : null;
if (currentChannels != null && currentChannels.Length >= 0)
{
string multiChannelName = (currentChannels.Length > 0) ? string.Join(",", currentChannels.OrderBy(x => x).ToArray()) : ",";
string multiChannelGroupName = (currentChannelGroups.Length > 0) ? string.Join(",", currentChannelGroups.OrderBy(x => x).ToArray()) : "";
Task.Factory.StartNew(() =>
{
if (ChannelRequest[PubnubInstance.InstanceId].ContainsKey(multiChannelName))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Aborting previous subscribe/presence requests having channel(s)={1}; channelgroup(s)={2}", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
HttpWebRequest webRequest;
ChannelRequest[PubnubInstance.InstanceId].TryGetValue(multiChannelName, out webRequest);
ChannelRequest[PubnubInstance.InstanceId].TryUpdate(multiChannelName, null, webRequest);
HttpWebRequest removedRequest;
bool removedChannel = ChannelRequest[PubnubInstance.InstanceId].TryRemove(multiChannelName, out removedRequest);
if (removedChannel)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Success to remove channel(s)={1}; channelgroup(s)={2} from _channelRequest (MultiChannelUnSubscribeInit).", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to remove channel(s)={1}; channelgroup(s)={2} from _channelRequest (MultiChannelUnSubscribeInit).", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
if (webRequest != null)
{
TerminatePendingWebRequest(webRequest);
}
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to capture channel(s)={1}; channelgroup(s)={2} from _channelRequest to abort request.", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}, CancellationToken.None, TaskCreationOptions.PreferFairness, TaskScheduler.Default).ConfigureAwait(false);
if (type == PNOperationType.PNUnsubscribeOperation && config.ContainsKey(PubnubInstance.InstanceId) && !config[PubnubInstance.InstanceId].SuppressLeaveEvents)
{
//just fire leave() event to REST API for safeguard
string channelsJsonState = BuildJsonUserState(currentChannels, currentChannelGroups, false);
IUrlRequestBuilder urlBuilder = new UrlRequestBuilder(config[PubnubInstance.InstanceId], jsonLibrary, unit, pubnubLog, pubnubTelemetryMgr, (PubnubInstance != null && !string.IsNullOrEmpty(PubnubInstance.InstanceId) && PubnubTokenMgrCollection.ContainsKey(PubnubInstance.InstanceId)) ? PubnubTokenMgrCollection[PubnubInstance.InstanceId] : null, (PubnubInstance != null) ? PubnubInstance.InstanceId : "");
Uri request = urlBuilder.BuildMultiChannelLeaveRequest("GET", "", currentChannels, currentChannelGroups, channelsJsonState, externalQueryParam);
RequestState<T> requestState = new RequestState<T>();
requestState.Channels = currentChannels;
requestState.ChannelGroups = currentChannelGroups;
requestState.ResponseType = PNOperationType.Leave;
requestState.Reconnect = false;
UrlProcessRequest<T>(request, requestState, false).ContinueWith(r =>
{
MultiChannelSubscribe[PubnubInstance.InstanceId].Clear();
MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Clear();
});
}
}
}
internal void MultiChannelUnSubscribeInit<T>(PNOperationType type, string channel, string channelGroup, Dictionary<string, object> externalQueryParam)
{
List<string> validChannels = new List<string>();
List<string> validChannelGroups = new List<string>();
try
{
this.customQueryParam = externalQueryParam;
if (PubnubInstance == null)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, PubnubInstance is null. exiting MultiChannelUnSubscribeInit", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
return;
}
if (!MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
MultiChannelSubscribe.GetOrAdd(PubnubInstance.InstanceId, new ConcurrentDictionary<string, long>());
}
if (!MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
MultiChannelGroupSubscribe.GetOrAdd(PubnubInstance.InstanceId, new ConcurrentDictionary<string, long>());
}
string[] rawChannels = (channel != null && channel.Trim().Length > 0) ? channel.Split(',') : new string[] { };
string[] rawChannelGroups = (channelGroup != null && channelGroup.Trim().Length > 0) ? channelGroup.Split(',') : new string[] { };
if (rawChannels.Length > 0)
{
for (int index = 0; index < rawChannels.Length; index++)
{
if (rawChannels[index].Trim().Length > 0)
{
string channelName = rawChannels[index].Trim();
if (string.IsNullOrEmpty(channelName))
{
continue;
}
if (config.ContainsKey(PubnubInstance.InstanceId) && MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelSubscribe[PubnubInstance.InstanceId] != null && !MultiChannelSubscribe[PubnubInstance.InstanceId].ContainsKey(channelName))
{
PNStatus status = new StatusBuilder(config[PubnubInstance.InstanceId], jsonLibrary).CreateStatusResponse<T>(PNOperationType.PNUnsubscribeOperation, PNStatusCategory.PNUnexpectedDisconnectCategory, null, (int)HttpStatusCode.NotFound, null);
if (!status.AffectedChannels.Contains(channelName))
{
status.AffectedChannels.Add(channelName);
}
Announce(status);
}
else
{
validChannels.Add(channelName);
string presenceChannelName = string.Format(CultureInfo.InvariantCulture, "{0}-pnpres", channelName);
if (MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelSubscribe[PubnubInstance.InstanceId] != null && MultiChannelSubscribe[PubnubInstance.InstanceId].ContainsKey(presenceChannelName))
{
validChannels.Add(presenceChannelName);
}
}
}
}
}
if (rawChannelGroups.Length > 0)
{
for (int index = 0; index < rawChannelGroups.Length; index++)
{
if (rawChannelGroups[index].Trim().Length > 0)
{
string channelGroupName = rawChannelGroups[index].Trim();
if (string.IsNullOrEmpty(channelGroupName))
{
continue;
}
if (config.ContainsKey(PubnubInstance.InstanceId) && MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelGroupSubscribe[PubnubInstance.InstanceId] != null && !MultiChannelGroupSubscribe[PubnubInstance.InstanceId].ContainsKey(channelGroupName))
{
PNStatus status = new StatusBuilder(config[PubnubInstance.InstanceId], jsonLibrary).CreateStatusResponse<T>(PNOperationType.PNUnsubscribeOperation, PNStatusCategory.PNUnexpectedDisconnectCategory, null, (int)HttpStatusCode.NotFound, null);
if (!status.AffectedChannelGroups.Contains(channelGroupName))
{
status.AffectedChannelGroups.Add(channelGroupName);
}
Announce(status);
}
else
{
validChannelGroups.Add(channelGroupName);
string presenceChannelGroupName = string.Format(CultureInfo.InvariantCulture, "{0}-pnpres", channelGroupName);
if (MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelGroupSubscribe[PubnubInstance.InstanceId] != null && MultiChannelGroupSubscribe[PubnubInstance.InstanceId].ContainsKey(presenceChannelGroupName))
{
validChannelGroups.Add(presenceChannelGroupName);
}
}
}
}
}
if (validChannels.Count > 0 || validChannelGroups.Count > 0)
{
//Retrieve the current channels already subscribed previously and terminate them
string[] currentChannels = MultiChannelSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
string[] currentChannelGroups = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
if (currentChannels != null && currentChannels.Length >= 0)
{
string multiChannelName = (currentChannels.Length > 0) ? string.Join(",", currentChannels.OrderBy(x => x).ToArray()) : ",";
string multiChannelGroupName = (currentChannelGroups.Length > 0) ? string.Join(",", currentChannelGroups.OrderBy(x => x).ToArray()) : "";
Task.Factory.StartNew(() =>
{
if (ChannelRequest[PubnubInstance.InstanceId].ContainsKey(multiChannelName))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Aborting previous subscribe/presence requests having channel(s)={1}; channelgroup(s)={2}", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
HttpWebRequest webRequest;
ChannelRequest[PubnubInstance.InstanceId].TryGetValue(multiChannelName, out webRequest);
ChannelRequest[PubnubInstance.InstanceId].TryUpdate(multiChannelName, null, webRequest);
HttpWebRequest removedRequest;
bool removedChannel = ChannelRequest[PubnubInstance.InstanceId].TryRemove(multiChannelName, out removedRequest);
if (removedChannel)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Success to remove channel(s)={1}; channelgroup(s)={2} from _channelRequest (MultiChannelUnSubscribeInit).", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to remove channel(s)={1}; channelgroup(s)={2} from _channelRequest (MultiChannelUnSubscribeInit).", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
if (webRequest != null)
{
TerminatePendingWebRequest(webRequest);
}
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to capture channel(s)={1}; channelgroup(s)={2} from _channelRequest to abort request.", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}, CancellationToken.None, TaskCreationOptions.PreferFairness, TaskScheduler.Default).ConfigureAwait(false);
if (type == PNOperationType.PNUnsubscribeOperation && config.ContainsKey(PubnubInstance.InstanceId))
{
//just fire leave() event to REST API for safeguard
string channelsJsonState = BuildJsonUserState(validChannels.ToArray(), validChannelGroups.ToArray(), false);
IUrlRequestBuilder urlBuilder = new UrlRequestBuilder(config[PubnubInstance.InstanceId], jsonLibrary, unit, pubnubLog, pubnubTelemetryMgr, (PubnubInstance != null && !string.IsNullOrEmpty(PubnubInstance.InstanceId) && PubnubTokenMgrCollection.ContainsKey(PubnubInstance.InstanceId)) ? PubnubTokenMgrCollection[PubnubInstance.InstanceId] : null, (PubnubInstance != null) ? PubnubInstance.InstanceId : "");
Uri request = urlBuilder.BuildMultiChannelLeaveRequest("GET", "", validChannels.ToArray(), validChannelGroups.ToArray(), channelsJsonState, externalQueryParam);
RequestState<T> requestState = new RequestState<T>();
requestState.Channels = new [] { channel };
requestState.ChannelGroups = new [] { channelGroup };
requestState.ResponseType = PNOperationType.Leave;
requestState.Reconnect = false;
UrlProcessRequest<T>(request, requestState, false).ContinueWith(r => { }, TaskContinuationOptions.ExecuteSynchronously).Wait();
}
}
Dictionary<string, long> originalMultiChannelSubscribe = null;
Dictionary<string, long> originalMultiChannelGroupSubscribe = null;
if (PubnubInstance != null && MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
originalMultiChannelSubscribe = MultiChannelSubscribe[PubnubInstance.InstanceId].Count > 0 ? MultiChannelSubscribe[PubnubInstance.InstanceId].ToDictionary(kvp => kvp.Key, kvp => kvp.Value) : null;
}
if (PubnubInstance != null && MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
originalMultiChannelGroupSubscribe = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Count > 0 ? MultiChannelGroupSubscribe[PubnubInstance.InstanceId].ToDictionary(kvp => kvp.Key, kvp => kvp.Value) : null;
}
PNStatus successStatus = new StatusBuilder(config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId] : null, jsonLibrary).CreateStatusResponse<T>(PNOperationType.PNUnsubscribeOperation, PNStatusCategory.PNDisconnectedCategory, null, (int)HttpStatusCode.OK, null);
PNStatus failStatus = new StatusBuilder(config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId] : null, jsonLibrary).CreateStatusResponse<T>(PNOperationType.PNUnsubscribeOperation, PNStatusCategory.PNDisconnectedCategory, null, (int)HttpStatusCode.NotFound, new PNException("Unsubscribe Error. Please retry unsubscribe operation"));
bool successExist = false;
bool failExist = false;
//Remove the valid channels from subscribe list for unsubscribe
for (int index = 0; index < validChannels.Count; index++)
{
long timetokenValue;
string channelToBeRemoved = validChannels[index];
bool unsubscribeStatus = false;
if (PubnubInstance != null && MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
unsubscribeStatus = MultiChannelSubscribe[PubnubInstance.InstanceId].TryRemove(channelToBeRemoved, out timetokenValue);
}
if (channelToBeRemoved.Contains("-pnpres"))
{
continue; //Do not send status for -pnpres channels
}
if (unsubscribeStatus)
{
successExist = true;
if (!successStatus.AffectedChannels.Contains(channelToBeRemoved))
{
successStatus.AffectedChannels.Add(channelToBeRemoved);
}
base.DeleteLocalChannelUserState(channelToBeRemoved);
}
else
{
failExist = true;
if (!failStatus.AffectedChannels.Contains(channelToBeRemoved))
{
failStatus.AffectedChannels.Add(channelToBeRemoved);
}
}
}
for (int index = 0; index < validChannelGroups.Count; index++)
{
long timetokenValue;
string channelGroupToBeRemoved = validChannelGroups[index];
bool unsubscribeStatus = false;
if (PubnubInstance != null && MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
unsubscribeStatus = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].TryRemove(channelGroupToBeRemoved, out timetokenValue);
}
if (channelGroupToBeRemoved.Contains("-pnpres"))
{
continue; //Do not send status for -pnpres channel-groups
}
if (unsubscribeStatus)
{
successExist = true;
if (!successStatus.AffectedChannelGroups.Contains(channelGroupToBeRemoved))
{
successStatus.AffectedChannelGroups.Add(channelGroupToBeRemoved);
}
base.DeleteLocalChannelGroupUserState(channelGroupToBeRemoved);
}
else
{
failExist = true;
if (!failStatus.AffectedChannelGroups.Contains(channelGroupToBeRemoved))
{
failStatus.AffectedChannelGroups.Add(channelGroupToBeRemoved);
}
}
}
if (successExist && PubnubInstance != null)
{
Announce(successStatus);
}
if (failExist && PubnubInstance != null)
{
Announce(failStatus);
}
//Get all the channels
string[] channels = new string[] { };
string[] channelGroups = new string[] { };
if (PubnubInstance != null && MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
channels = MultiChannelSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
//Check any chained subscribes while unsubscribe
for (int keyIndex = 0; keyIndex < MultiChannelSubscribe[PubnubInstance.InstanceId].Count; keyIndex++)
{
KeyValuePair<string, long> kvp = MultiChannelSubscribe[PubnubInstance.InstanceId].ElementAt(keyIndex);
if (originalMultiChannelSubscribe != null && !originalMultiChannelSubscribe.ContainsKey(kvp.Key))
{
return;
}
}
}
if (PubnubInstance != null && MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId))
{
channelGroups = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
for (int keyIndex = 0; keyIndex < MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Count; keyIndex++)
{
KeyValuePair<string, long> kvp = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].ElementAt(keyIndex);
if (originalMultiChannelGroupSubscribe != null && !originalMultiChannelGroupSubscribe.ContainsKey(kvp.Key))
{
return;
}
}
}
channels = (channels != null) ? channels : new string[] { };
channelGroups = (channelGroups != null) ? channelGroups : new string[] { };
if (channels.Length > 0 || channelGroups.Length > 0)
{
string multiChannel = (channels.Length > 0) ? string.Join(",", channels.OrderBy(x => x).ToArray()) : ",";
RequestState<T> state = new RequestState<T>();
ChannelRequest[PubnubInstance.InstanceId].AddOrUpdate(multiChannel, state.Request, (key, oldValue) => state.Request);
ResetInternetCheckSettings(channels, channelGroups);
//Continue with any remaining channels for subscribe/presence
MultiChannelSubscribeRequest<T>(PNOperationType.PNSubscribeOperation, channels, channelGroups, 0, 0, false, null, this.customQueryParam);
}
else
{
if (PresenceHeartbeatTimer != null)
{
// Stop the presence heartbeat timer if there are no channels subscribed
PresenceHeartbeatTimer.Dispose();
PresenceHeartbeatTimer = null;
}
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, All channels are Unsubscribed. Further subscription was stopped", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}
}
catch(Exception ex)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0} SubscribeManager=> MultiChannelUnSubscribeInit \n channel(s)={1} \n cg(s)={2} \n Exception Details={3}", DateTime.Now.ToString(CultureInfo.InvariantCulture), string.Join(",", validChannels.OrderBy(x => x).ToArray()), string.Join(",", validChannelGroups.OrderBy(x => x).ToArray()), ex), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}
internal void MultiChannelSubscribeInit<T>(PNOperationType responseType, string[] rawChannels, string[] rawChannelGroups, Dictionary<string, string> initialSubscribeUrlParams, Dictionary<string, object> externalQueryParam)
{
List<string> validChannels = new List<string>();
List<string> validChannelGroups = new List<string>();
try
{
bool channelGroupSubscribeOnly = false;
SubscribeDisconnected[PubnubInstance.InstanceId] = false;
if (rawChannels != null && rawChannels.Length > 0)
{
string[] rawChannelsFiltered = rawChannels;
if (rawChannels.Length != rawChannels.Distinct().Count())
{
rawChannelsFiltered = rawChannels.Distinct().ToArray();
}
for (int index = 0; index < rawChannelsFiltered.Length; index++)
{
if (rawChannelsFiltered[index].Trim().Length > 0)
{
string channelName = rawChannelsFiltered[index].Trim();
if (!string.IsNullOrEmpty(channelName))
{
if (MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId) && !MultiChannelSubscribe[PubnubInstance.InstanceId].ContainsKey(channelName))
{
validChannels.Add(channelName);
}
}
}
}
}
if (rawChannelGroups != null && rawChannelGroups.Length > 0)
{
string[] rawChannelGroupsFiltered = rawChannelGroups;
if (rawChannelGroups.Length != rawChannelGroups.Distinct().Count())
{
rawChannelGroupsFiltered = rawChannelGroups.Distinct().ToArray();
}
for (int index = 0; index < rawChannelGroupsFiltered.Length; index++)
{
if (rawChannelGroupsFiltered[index].Trim().Length > 0)
{
string channelGroupName = rawChannelGroupsFiltered[index].Trim();
if (MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId) && !MultiChannelGroupSubscribe[PubnubInstance.InstanceId].ContainsKey(channelGroupName))
{
validChannelGroups.Add(channelGroupName);
}
}
}
}
if (validChannels.Count > 0 || validChannelGroups.Count > 0 && config.ContainsKey(PubnubInstance.InstanceId))
{
//Retrieve the current channels already subscribed previously and terminate them
string[] currentChannels = MultiChannelSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
string[] currentChannelGroups = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
if (currentChannels != null && currentChannels.Length >= 0)
{
string multiChannelGroupName = (currentChannelGroups.Length > 0) ? string.Join(",", currentChannelGroups.OrderBy(x => x).ToArray()) : "";
if (ChannelRequest.ContainsKey(PubnubInstance.InstanceId))
{
List<string> keysList = ChannelRequest[PubnubInstance.InstanceId].Keys.ToList();
for (int keyIndex = 0; keyIndex < keysList.Count; keyIndex++)
{
string multiChannelName = keysList[keyIndex];
if (ChannelRequest[PubnubInstance.InstanceId].ContainsKey(multiChannelName))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Aborting previous subscribe/presence requests having channel(s)={1}; channelgroup(s)={2}", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
HttpWebRequest webRequest;
ChannelRequest[PubnubInstance.InstanceId].TryGetValue(multiChannelName, out webRequest);
ChannelRequest[PubnubInstance.InstanceId].TryUpdate(multiChannelName, null, webRequest);
HttpWebRequest removedRequest;
bool removedChannel = ChannelRequest[PubnubInstance.InstanceId].TryRemove(multiChannelName, out removedRequest);
if (removedChannel)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Success to remove channel(s)={1}; channelgroup(s)={2} from _channelRequest (MultiChannelSubscribeInit).", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to remove channel(s)={1}; channelgroup(s)={2} from _channelRequest (MultiChannelSubscribeInit).", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
if (webRequest != null)
{
TerminatePendingWebRequest(webRequest);
}
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to capture channel(s)={1}; channelgroup(s)={2} from _channelRequest to abort request.", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannelName, multiChannelGroupName), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Unable to find instance id = {1} from _channelRequest.", DateTime.Now.ToString(CultureInfo.InvariantCulture), PubnubInstance.InstanceId), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}
TerminateCurrentSubscriberRequest();
//Add the valid channels to the channels subscribe list for tracking
for (int index = 0; index < validChannels.Count; index++)
{
string currentLoopChannel = validChannels[index];
MultiChannelSubscribe[PubnubInstance.InstanceId].GetOrAdd(currentLoopChannel, 0);
}
for (int index = 0; index < validChannelGroups.Count; index++)
{
string currentLoopChannelGroup = validChannelGroups[index];
MultiChannelGroupSubscribe[PubnubInstance.InstanceId].GetOrAdd(currentLoopChannelGroup, 0);
}
//Get all the channels
string[] channels = MultiChannelSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
string[] channelGroups = MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Keys.ToArray<string>();
if (channelGroups != null && channelGroups.Length > 0 && (channels == null || channels.Length == 0))
{
channelGroupSubscribeOnly = true;
}
RequestState<T> state = new RequestState<T>();
if (ChannelRequest.ContainsKey(PubnubInstance.InstanceId))
{
if (channelGroupSubscribeOnly)
{
ChannelRequest[PubnubInstance.InstanceId].AddOrUpdate(",", state.Request, (key, oldValue) => state.Request);
}
else
{
ChannelRequest[PubnubInstance.InstanceId].AddOrUpdate(string.Join(",", channels.OrderBy(x => x).ToArray()), state.Request, (key, oldValue) => state.Request);
}
}
ResetInternetCheckSettings(channels, channelGroups);
MultiChannelSubscribeRequest<T>(responseType, channels, channelGroups, 0, 0, false, initialSubscribeUrlParams, externalQueryParam);
if (SubscribeHeartbeatCheckTimer != null)
{
try
{
SubscribeHeartbeatCheckTimer.Change(Timeout.Infinite, Timeout.Infinite);
}
catch { /* ignore */ }
}
SubscribeHeartbeatCheckTimer = new Timer(StartSubscribeHeartbeatCheckCallback<T>, null, config[PubnubInstance.InstanceId].SubscribeTimeout * 500, config[PubnubInstance.InstanceId].SubscribeTimeout * 500);
}
}
catch(Exception ex)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0} SubscribeManager=> MultiChannelSubscribeInit \n channel(s)={1} \n cg(s)={2} \n Exception Details={3}", DateTime.Now.ToString(CultureInfo.InvariantCulture), string.Join(",", validChannels.OrderBy(x => x).ToArray()), string.Join(",", validChannelGroups.OrderBy(x => x).ToArray()), ex), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}
private void MultiChannelSubscribeRequest<T>(PNOperationType type, string[] channels, string[] channelGroups, object timetoken, int region, bool reconnect, Dictionary<string, string> initialSubscribeUrlParams, Dictionary<string, object> externalQueryParam)
{
if (!config.ContainsKey(PubnubInstance.InstanceId))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, InstanceId Not Available. Exiting MultiChannelSubscribeRequest", DateTime.Now.ToString(CultureInfo.InvariantCulture)), PNLogVerbosity.BODY);
return;
}
if (SubscribeDisconnected[PubnubInstance.InstanceId])
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, SubscribeDisconnected. Exiting MultiChannelSubscribeRequest", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config[PubnubInstance.InstanceId].LogVerbosity);
return;
}
//Exit if the channel is unsubscribed
if (MultiChannelSubscribe != null && MultiChannelSubscribe[PubnubInstance.InstanceId].Count <= 0 && MultiChannelGroupSubscribe != null && MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Count <= 0)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Zero channels/channelGroups. Further subscription was stopped", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
return;
}
string multiChannel = (channels != null && channels.Length > 0) ? string.Join(",", channels.OrderBy(x => x).ToArray()) : ",";
string multiChannelGroup = (channelGroups != null && channelGroups.Length > 0) ? string.Join(",", channelGroups.OrderBy(x => x).ToArray()) : "";
bool networkConnection = CheckInternetConnectionStatus<T>(PubnetSystemActive, type, null, channels, channelGroups);
if (!networkConnection)
{
ConnectionErrors++;
UpdatePubnubNetworkTcpCheckIntervalInSeconds();
ChannelInternetStatus[PubnubInstance.InstanceId].AddOrUpdate(multiChannel, networkConnection, (key, oldValue) => networkConnection);
ChannelGroupInternetStatus[PubnubInstance.InstanceId].AddOrUpdate(multiChannelGroup, networkConnection, (key, oldValue) => networkConnection);
}
bool channelInternetFlag;
bool channelGroupInternetFlag;
if (((ChannelInternetStatus[PubnubInstance.InstanceId].ContainsKey(multiChannel) && ChannelInternetStatus[PubnubInstance.InstanceId].TryGetValue(multiChannel, out channelInternetFlag) && !channelInternetFlag)
|| (multiChannelGroup != "" && ChannelGroupInternetStatus[PubnubInstance.InstanceId].ContainsKey(multiChannelGroup) && ChannelGroupInternetStatus[PubnubInstance.InstanceId].TryGetValue(multiChannelGroup, out channelGroupInternetFlag) && !channelGroupInternetFlag))
&& PubnetSystemActive)
{
if (ReconnectNetworkIfOverrideTcpKeepAlive<T>(type, channels, channelGroups, timetoken, region, networkConnection))
{
return;
}
}
if (!ChannelRequest.ContainsKey(PubnubInstance.InstanceId) || (!multiChannel.Equals(",", StringComparison.OrdinalIgnoreCase) && !ChannelRequest[PubnubInstance.InstanceId].ContainsKey(multiChannel)))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, PubnubInstance.InstanceId NOT matching", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
return;
}
// Begin recursive subscribe
RequestState<T> pubnubRequestState = null;
try
{
this.customQueryParam = externalQueryParam;
RegisterPresenceHeartbeatTimer<T>(channels, channelGroups);
long lastTimetoken = 0;
long minimumTimetoken1 = (MultiChannelSubscribe[PubnubInstance.InstanceId].Count > 0) ? MultiChannelSubscribe[PubnubInstance.InstanceId].Min(token => token.Value) : 0;
long minimumTimetoken2 = (MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Count > 0) ? MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Min(token => token.Value) : 0;
long minimumTimetoken = Math.Max(minimumTimetoken1, minimumTimetoken2);
long maximumTimetoken1 = (MultiChannelSubscribe[PubnubInstance.InstanceId].Count > 0) ? MultiChannelSubscribe[PubnubInstance.InstanceId].Max(token => token.Value) : 0;
long maximumTimetoken2 = (MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Count > 0) ? MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Max(token => token.Value) : 0;
long maximumTimetoken = Math.Max(maximumTimetoken1, maximumTimetoken2);
if (minimumTimetoken == 0 || reconnect || UserIdChanged[PubnubInstance.InstanceId])
{
lastTimetoken = 0;
UserIdChanged.AddOrUpdate(PubnubInstance.InstanceId, false, (k, o) => false);
}
else
{
if (LastSubscribeTimetoken[PubnubInstance.InstanceId] == maximumTimetoken)
{
lastTimetoken = maximumTimetoken;
}
else
{
lastTimetoken = LastSubscribeTimetoken[PubnubInstance.InstanceId];
}
}
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Building request for channel(s)={1}, channelgroup(s)={2} with timetoken={3}", DateTime.Now.ToString(CultureInfo.InvariantCulture), multiChannel, multiChannelGroup, lastTimetoken), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
// Build URL
string channelsJsonState = BuildJsonUserState(channels, channelGroups, false);
config[PubnubInstance.InstanceId].UserId = CurrentUserId[PubnubInstance.InstanceId]; // to make sure we capture if UUID is changed
IUrlRequestBuilder urlBuilder = new UrlRequestBuilder(config[PubnubInstance.InstanceId], jsonLibrary, unit, pubnubLog, pubnubTelemetryMgr, (PubnubInstance != null && !string.IsNullOrEmpty(PubnubInstance.InstanceId) && PubnubTokenMgrCollection.ContainsKey(PubnubInstance.InstanceId)) ? PubnubTokenMgrCollection[PubnubInstance.InstanceId] : null, (PubnubInstance != null) ? PubnubInstance.InstanceId : "");
Uri request = urlBuilder.BuildMultiChannelSubscribeRequest("GET", "", channels, channelGroups, (Convert.ToInt64(timetoken.ToString(), CultureInfo.InvariantCulture) == 0) ? Convert.ToInt64(timetoken.ToString(), CultureInfo.InvariantCulture) : lastTimetoken, region, channelsJsonState, initialSubscribeUrlParams, externalQueryParam);
pubnubRequestState = new RequestState<T>();
pubnubRequestState.Channels = channels;
pubnubRequestState.ChannelGroups = channelGroups;
pubnubRequestState.ResponseType = type;
pubnubRequestState.Reconnect = reconnect;
pubnubRequestState.Timetoken = Convert.ToInt64(timetoken.ToString(), CultureInfo.InvariantCulture);
pubnubRequestState.Region = region;
pubnubRequestState.TimeQueued = DateTime.Now;
// Wait for message
string json = "";
UrlProcessRequest<T>(request, pubnubRequestState, false).ContinueWith(r =>
{
json = r.Result.Item1;
}, TaskContinuationOptions.ExecuteSynchronously).Wait();
if (!string.IsNullOrEmpty(json))
{
string subscribedChannels = (MultiChannelSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelSubscribe[PubnubInstance.InstanceId].Count > 0) ? MultiChannelSubscribe[PubnubInstance.InstanceId].Keys.OrderBy(x=>x).Aggregate((x, y) => x + "," + y) : "";
string currentChannels = (channels != null && channels.Length > 0) ? channels.OrderBy(x => x).Aggregate((x, y) => x + "," + y) : "";
string subscribedChannelGroups = (MultiChannelGroupSubscribe.ContainsKey(PubnubInstance.InstanceId) && MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Count > 0) ? MultiChannelGroupSubscribe[PubnubInstance.InstanceId].Keys.OrderBy(x => x).Aggregate((x, y) => x + "," + y) : "";
string currentChannelGroups = (channelGroups != null && channelGroups.Length > 0) ? channelGroups.OrderBy(x => x).Aggregate((x, y) => x + "," + y) : "";
if (subscribedChannels.Equals(currentChannels, StringComparison.OrdinalIgnoreCase) && subscribedChannelGroups.Equals(currentChannelGroups, StringComparison.OrdinalIgnoreCase))
{
List<object> result = ProcessJsonResponse<T>(pubnubRequestState, json);
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, result count of ProcessJsonResponse = {1}", DateTime.Now.ToString(CultureInfo.InvariantCulture), (result != null) ? result.Count : -1), config[PubnubInstance.InstanceId].LogVerbosity);
ProcessResponseCallbacks<T>(result, pubnubRequestState);
if ((pubnubRequestState.ResponseType == PNOperationType.PNSubscribeOperation || pubnubRequestState.ResponseType == PNOperationType.Presence) && (result != null) && (result.Count > 0))
{
long jsonTimetoken = GetTimetokenFromMultiplexResult(result);
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, jsonTimetoken = {1}", DateTime.Now.ToString(CultureInfo.InvariantCulture), jsonTimetoken), config[PubnubInstance.InstanceId].LogVerbosity);
if (jsonTimetoken > 0)
{
if (pubnubRequestState.Channels != null)
{
foreach (string currentChannel in pubnubRequestState.Channels)
{
MultiChannelSubscribe[PubnubInstance.InstanceId].AddOrUpdate(currentChannel, jsonTimetoken, (key, oldValue) => jsonTimetoken);
}
}
if (pubnubRequestState.ChannelGroups != null && pubnubRequestState.ChannelGroups.Length > 0)
{
foreach (string currentChannelGroup in pubnubRequestState.ChannelGroups)
{
MultiChannelGroupSubscribe[PubnubInstance.InstanceId].AddOrUpdate(currentChannelGroup, jsonTimetoken, (key, oldValue) => jsonTimetoken);
}
}
}
}
if (pubnubRequestState.ResponseType == PNOperationType.PNSubscribeOperation)
{
MultiplexInternalCallback<T>(pubnubRequestState.ResponseType, result);
}
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, condition failed for subscribedChannels == currentChannels && subscribedChannelGroups == currentChannelGroups", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config[PubnubInstance.InstanceId].LogVerbosity);
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, subscribedChannels = {1}", DateTime.Now.ToString(CultureInfo.InvariantCulture), subscribedChannels), config[PubnubInstance.InstanceId].LogVerbosity);
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, currentChannels = {1}", DateTime.Now.ToString(CultureInfo.InvariantCulture), currentChannels), config[PubnubInstance.InstanceId].LogVerbosity);
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, subscribedChannelGroups = {1}", DateTime.Now.ToString(CultureInfo.InvariantCulture), subscribedChannelGroups), config[PubnubInstance.InstanceId].LogVerbosity);
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime: {0}, currentChannelGroups = {1}", DateTime.Now.ToString(CultureInfo.InvariantCulture), currentChannelGroups), config[PubnubInstance.InstanceId].LogVerbosity);
}
}
else
{
if (multiplexExceptionTimer != null)
{
multiplexExceptionTimer.Change(Timeout.Infinite, Timeout.Infinite);
}
ConnectionErrors++;
UpdatePubnubNetworkTcpCheckIntervalInSeconds();
multiplexExceptionTimer = new Timer(new TimerCallback(MultiplexExceptionHandlerTimerCallback<T>), pubnubRequestState,
(-1 == PubnubNetworkTcpCheckIntervalInSeconds) ? Timeout.Infinite : PubnubNetworkTcpCheckIntervalInSeconds * 1000,
Timeout.Infinite);
}
}
catch (Exception ex)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0} method:_subscribe \n channel={1} \n timetoken={2} \n Exception Details={3}", DateTime.Now.ToString(CultureInfo.InvariantCulture), string.Join(",", channels.OrderBy(x => x).ToArray()), timetoken, ex), config[PubnubInstance.InstanceId].LogVerbosity);
PNStatusCategory errorCategory = PNStatusCategoryHelper.GetPNStatusCategory(ex);
PNStatus status = new StatusBuilder(config[PubnubInstance.InstanceId], jsonLibrary).CreateStatusResponse<T>(type, errorCategory, pubnubRequestState, (int)HttpStatusCode.NotFound, new PNException(ex));
if (channels != null && channels.Length > 0)
{
status.AffectedChannels.AddRange(channels);
}
if (channelGroups != null && channelGroups.Length > 0)
{
status.AffectedChannels.AddRange(channelGroups);
}
Announce(status);
MultiChannelSubscribeRequest<T>(type, channels, channelGroups, LastSubscribeTimetoken[PubnubInstance.InstanceId], LastSubscribeRegion[PubnubInstance.InstanceId], false, null, externalQueryParam);
}
}
private void MultiplexExceptionHandlerTimerCallback<T>(object state)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0} MultiplexExceptionHandlerTimerCallback", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
RequestState<T> currentState = state as RequestState<T>;
if (currentState != null)
{
MultiplexExceptionHandler<T>(currentState.ResponseType, currentState.Channels, currentState.ChannelGroups, false);
}
}
private void MultiplexExceptionHandler<T>(PNOperationType type, string[] channels, string[] channelGroups, bool resumeOnReconnect)
{
List<object> result = new List<object>();
result.Add("0");
if (resumeOnReconnect || LastSubscribeTimetoken == null || !LastSubscribeTimetoken.ContainsKey(PubnubInstance.InstanceId))
{
result.Add(0); //send 0 time token to enable presence event
}
else
{
long lastTT = LastSubscribeTimetoken[PubnubInstance.InstanceId]; //get last timetoken of the current instance
int lastRegionId = (LastSubscribeRegion != null && LastSubscribeRegion.ContainsKey(PubnubInstance.InstanceId)) ? LastSubscribeRegion[PubnubInstance.InstanceId] : 0; //get last region of the current instance
Dictionary<string, object> dictTimetokenAndRegion = new Dictionary<string, object>();
dictTimetokenAndRegion.Add("t", lastTT);
dictTimetokenAndRegion.Add("r", lastRegionId);
Dictionary<string, object> dictEnvelope = new Dictionary<string, object>();
dictEnvelope.Add("t", dictTimetokenAndRegion);
result.Add(dictEnvelope);
}
if (channelGroups != null && channelGroups.Length > 0)
{
result.Add(channelGroups);
}
result.Add(channels); //send channel name
MultiplexInternalCallback<T>(type, result);
}
private void MultiplexInternalCallback<T>(PNOperationType type, object multiplexResult)
{
List<object> message = multiplexResult as List<object>;
string[] channels = null;
string[] channelGroups = null;
if (message != null && message.Count >= 3)
{
if (message[message.Count - 1] is string[])
{
channels = message[message.Count - 1] as string[];
}
else
{
channels = message[message.Count - 1].ToString().Split(',');
}
if (channels.Length == 1 && channels[0] == "")
{
channels = new string[] { };
}
if (message.Count >= 4)
{
if (message[message.Count - 2] is string[])
{
channelGroups = message[message.Count - 2] as string[];
}
else if (message[message.Count - 2].ToString() != "")
{
channelGroups = message[message.Count - 2].ToString().Split(',');
}
}
long timetoken = GetTimetokenFromMultiplexResult(message);
int region = GetRegionFromMultiplexResult(message);
Task.Factory.StartNew(() =>
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0} MultiplexInternalCallback timetoken = {1}; region = {2}", DateTime.Now.ToString(CultureInfo.InvariantCulture), timetoken, region), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
MultiChannelSubscribeRequest<T>(type, channels, channelGroups, timetoken, region, false, null, this.customQueryParam);
}, CancellationToken.None, TaskCreationOptions.PreferFairness, TaskScheduler.Default).ConfigureAwait(false);
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Lost Channel Name for resubscribe", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
}
}
private bool ReconnectNetworkIfOverrideTcpKeepAlive<T>(PNOperationType type, string[] channels, string[] channelGroups, object timetoken, int region, bool networkAvailable)
{
if (OverrideTcpKeepAlive)
{
ReconnectState<T> netState = new ReconnectState<T>();
netState.Channels = channels;
netState.ChannelGroups = channelGroups;
netState.ResponseType = type;
netState.Timetoken = timetoken;
netState.Region = region;
if (!config.ContainsKey(PubnubInstance.InstanceId))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, InstanceId Not Available. So no reconnect", DateTime.Now.ToString(CultureInfo.InvariantCulture)), PNLogVerbosity.BODY);
}
if (SubscribeDisconnected[PubnubInstance.InstanceId])
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Subscribe is still Disconnected. So no reconnect", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config[PubnubInstance.InstanceId].LogVerbosity);
}
else if (config[PubnubInstance.InstanceId].ReconnectionPolicy != PNReconnectionPolicy.NONE)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Subscribe - No internet connection for channel={1} and channelgroup={2}; networkAvailable={3}", DateTime.Now.ToString(CultureInfo.InvariantCulture), string.Join(",", channels.OrderBy(x => x).ToArray()), channelGroups != null ? string.Join(",", channelGroups) : "", networkAvailable), config[PubnubInstance.InstanceId].LogVerbosity);
TerminateReconnectTimer();
ReconnectNetwork<T>(netState);
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, reconnection policy is DISABLED, please handle reconnection manually.", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config[PubnubInstance.InstanceId].LogVerbosity);
if (!networkAvailable)
{
PNStatusCategory errorCategory = PNStatusCategory.PNNetworkIssuesCategory;
PNStatus status = new StatusBuilder(config[PubnubInstance.InstanceId], jsonLibrary).CreateStatusResponse<T>(type, errorCategory, null, (int)HttpStatusCode.NotFound, new PNException("SDK Network related error"));
if (channels != null && channels.Length > 0)
{
status.AffectedChannels.AddRange(channels);
}
if (channelGroups != null && channelGroups.Length > 0)
{
status.AffectedChannels.AddRange(channelGroups);
}
Announce(status);
}
}
return true;
}
else
{
return false;
}
}
private void ReconnectNetwork<T>(ReconnectState<T> netState)
{
if (netState != null && ((netState.Channels != null && netState.Channels.Length > 0) || (netState.ChannelGroups != null && netState.ChannelGroups.Length > 0)))
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, SubscribeManager ReconnectNetwork interval = {1} sec", DateTime.Now.ToString(CultureInfo.InvariantCulture), PubnubNetworkTcpCheckIntervalInSeconds), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
System.Threading.Timer timer;
if (netState.Channels != null && netState.Channels.Length > 0)
{
string reconnectChannelTimerKey = string.Join(",", netState.Channels.OrderBy(x => x).ToArray());
if (!ChannelReconnectTimer[PubnubInstance.InstanceId].ContainsKey(reconnectChannelTimerKey))
{
timer = new Timer(new TimerCallback(ReconnectNetworkCallback<T>), netState, 0,
(-1 == PubnubNetworkTcpCheckIntervalInSeconds) ? Timeout.Infinite : PubnubNetworkTcpCheckIntervalInSeconds * 1000);
ChannelReconnectTimer[PubnubInstance.InstanceId].AddOrUpdate(reconnectChannelTimerKey, timer, (key, oldState) => timer);
}
}
else if (netState.ChannelGroups != null && netState.ChannelGroups.Length > 0)
{
string reconnectChannelGroupTimerKey = string.Join(",", netState.ChannelGroups.OrderBy(x => x).ToArray());
if (!ChannelGroupReconnectTimer[PubnubInstance.InstanceId].ContainsKey(reconnectChannelGroupTimerKey))
{
timer = new Timer(new TimerCallback(ReconnectNetworkCallback<T>), netState, 0,
(-1 == PubnubNetworkTcpCheckIntervalInSeconds) ? Timeout.Infinite : PubnubNetworkTcpCheckIntervalInSeconds * 1000);
ChannelGroupReconnectTimer[PubnubInstance.InstanceId].AddOrUpdate(reconnectChannelGroupTimerKey, timer, (key, oldState) => timer);
}
}
}
}
internal bool Reconnect<T>(bool resetSubscribeTimetoken)
{
if (!SubscribeDisconnected[PubnubInstance.InstanceId]) //Check if disconnect is done before
{
return false;
}
string[] channels = GetCurrentSubscriberChannels();
string[] chananelGroups = GetCurrentSubscriberChannelGroups();
if ((channels != null && channels.Length > 0) || (chananelGroups != null && chananelGroups.Length > 0))
{
string channel = (channels != null && channels.Length > 0) ? string.Join(",", channels.OrderBy(x => x).ToArray()) : ",";
string channelGroup = (chananelGroups != null && chananelGroups.Length > 0) ? string.Join(",", chananelGroups.OrderBy(x => x).ToArray()) : "";
bool networkConnection = CheckInternetConnectionStatus<T>(PubnetSystemActive, PNOperationType.PNSubscribeOperation, null, channels, chananelGroups);
if (!networkConnection)
{
//Recheck for false alert with 1 sec delay
#if !NET35 && !NET40
Task.Delay(1000).Wait();
#else
Thread.Sleep(1000);
#endif
networkConnection = CheckInternetConnectionStatus<T>(PubnetSystemActive, PNOperationType.PNSubscribeOperation, null, channels, chananelGroups);
}
if (networkConnection)
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, Network available for SubscribeManager Manual Reconnect", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
if (!string.IsNullOrEmpty(channel) && ChannelInternetStatus[PubnubInstance.InstanceId].ContainsKey(channel))
{
ChannelInternetStatus[PubnubInstance.InstanceId].AddOrUpdate(channel, networkConnection, (key, oldValue) => networkConnection);
}
if (!string.IsNullOrEmpty(channelGroup) && ChannelGroupInternetStatus[PubnubInstance.InstanceId].ContainsKey(channelGroup))
{
ChannelGroupInternetStatus[PubnubInstance.InstanceId].AddOrUpdate(channelGroup, networkConnection, (key, oldValue) => networkConnection);
}
}
else
{
LoggingMethod.WriteToLog(pubnubLog, string.Format(CultureInfo.InvariantCulture, "DateTime {0}, No network for SubscribeManager Manual Reconnect", DateTime.Now.ToString(CultureInfo.InvariantCulture)), config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId].LogVerbosity : PNLogVerbosity.NONE);
PNStatusCategory errorCategory = PNStatusCategory.PNNetworkIssuesCategory;
PNStatus status = new StatusBuilder(config.ContainsKey(PubnubInstance.InstanceId) ? config[PubnubInstance.InstanceId] : null, jsonLibrary).CreateStatusResponse<T>(PNOperationType.PNSubscribeOperation, errorCategory, null, (int)HttpStatusCode.NotFound, new PNException("SDK Network related error"));
if (channels != null && channels.Length > 0)
{
status.AffectedChannels.AddRange(channels);
}
if (chananelGroups != null && chananelGroups.Length > 0)
{
status.AffectedChannels.AddRange(chananelGroups);
}
Announce(status);
return false;
}