}
System.Diagnostics.Debug.WriteLine(" -> Not found error, attempting to reinitialize");
// disconnect
//System.Diagnostics.Debug.WriteLine(" -> -> uninitialize");
//Uninitialize();
// reconnect
System.Diagnostics.Debug.WriteLine(" -> -> reinitialize");
Initialize(_UserId, _AuthKey, false, _PushData);
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(string.Format("*** ChatService.Initialize - Exception: {0}", ex));
}
}
if (status.Category == PNStatusCategory.PNConnectedCategory)
{
System.Diagnostics.Debug.WriteLine(" -> Connected");
// this is expected for a subscribe, this means there is no error or issue whatsoever
// reset fail count
_FailCount = 0;
}
else if (status.Category == PNStatusCategory.PNReconnectedCategory)
{
System.Diagnostics.Debug.WriteLine(" -> Reconnected");
// this usually occurs if subscribe temporarily fails but reconnects. This means
// there was an error but there is no longer any issue
}
else if (status.Category == PNStatusCategory.PNDisconnectedCategory)
{
System.Diagnostics.Debug.WriteLine(" -> Disconnected");
// this is the expected category for an unsubscribe. This means there
// was no error in unsubscribing from everything
}
else if (status.Category == PNStatusCategory.PNUnexpectedDisconnectCategory)
{
System.Diagnostics.Debug.WriteLine(" -> Unexpected disconnected");
// this is usually an issue with the internet connection, this is an error, handle appropriately
}
else if (status.Category == PNStatusCategory.PNAccessDeniedCategory)
{
System.Diagnostics.Debug.WriteLine(" -> Access Denied");
// this means that PAM does allow this client to subscribe to this
// channel and channel group configuration. This is another explicit error
}
}
}
#endregion Callbacks
#region Operations
public void GetHistory(long timeStamp)
{
try
{
if (!Initialized || string.IsNullOrEmpty(_UserId)) return;
_Pubnub.History()
.Channel(_UserId)
.Start(timeStamp)
.Count(20)
.Async(new PNHistoryResultExt((result, status) =>
{
if ((result.Messages == null) || (result.Messages.Count == 0)) return;
foreach (var message in result.Messages)
{
// let listeners know
MessageReceived?.Invoke(this, new MessageEventArgs(message.Entry.ToString()));
}
}));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(string.Format("*** ChatService.GetHistory - Exception: {0}", ex));
}
}
public void Publish(string to, string message, object state)
{
try
{
if (!Initialized || string.IsNullOrEmpty(_UserId)) throw new ArgumentException("Cannot publish before initialize.");
// publish message
_Pubnub.Publish()
.Channel(to)
.Message(message)
.Async(new PNPublishResultExt((result, status) =>
{
if (message == null) return;
// get the message
PublishComplete?.Invoke(this, new MessageEventArgs(message)
{
State = state,
Success = !status.Error,
Timestamp = new DateTime(result.Timetoken)
});
}));
}
catch (Exception ex)
{
System.Diagnostics.Debug.WriteLine(string.Format("*** ChatService.Publish - Exception: {0}", ex));
}
}
#endregion Operations
#region Event Triggers
private void RaiseChannelJoined(string channel, string uuid)
{
ChannelJoined?.Invoke(this, new PresenceEventArgs(channel, uuid));
}
private void RaiseChannelLeft(string channel, string uuid)
{
ChannelLeft?.Invoke(this, new PresenceEventArgs(channel, uuid));
}
private void RaiseChannelTimeout(string channel, string uuid)
{
ChannelTimeout?.Invoke(this, new PresenceEventArgs(channel, uuid));
}
private void RaiseChannelState(string channel, string uuid, ChatState state)
{
ChannelState?.Invoke(this, new PresenceEventArgs(channel, uuid, state));
}
#endregion Event Triggers
#region Cleanup
public void Dispose()
{
if (_Disposed) return;
// TODO: check this - it looks dodgy
SubscribeCallbackExt listenerSubscribeCallack = new SubscribeCallbackExt((pubnubObj, message) => { }, (pubnubObj, presence) => { }, (pubnubObj, status) => { });
_Pubnub.AddListener(listenerSubscribeCallack);
// some time later
_Pubnub.RemoveListener(listenerSubscribeCallack);
_Pubnub.Destroy();
_Disposed = true;
}
#endregion Cleanup
}
}
private void RaiseChannelTimeout(string channel, string uuid)
{
ChannelTimeout?.Invoke(this, new PresenceEventArgs(channel, uuid));
}
