public async Task <IActionResult> ValidateChannel(ChannelAddressModel model)
{
var channel = await _dbContext.Channels.FindAsync(model.Id);
if (channel == null)
{
return(Json(new AiurProtocol
{
Code = ErrorType.NotFound,
Message = "Can not find your channel!"
}));
}
if (!_channelLiveJudger.IsAlive(channel.Id))
{
return(Json(new AiurProtocol
{
Code = ErrorType.Pending,
Message = "Your channel is out dated and about to be deleted!"
}));
}
if (channel.ConnectKey != model.Key)
{
return(Json(new AiurProtocol
{
Code = ErrorType.Unauthorized,
Message = "Wrong connection key!"
}));
}
else
{
return(Json(new AiurValue <string>(channel.AppId)
{
Code = ErrorType.Success,
Message = $"Current Info. Belongs to app with id: '{channel.AppId}'."
}));
}
}
public async Task <IActionResult> Channel(ChannelAddressModel model)
{
int lastReadId = _counter.GetCurrent;
var channel = await _dbContext.Channels.FindAsync(model.Id);
if (channel == null)
{
return(this.Protocol(ErrorType.NotFound, "Can not find channel with id: " + model.Id));
}
if (channel.ConnectKey != model.Key)
{
return(Json(new AiurProtocol
{
Code = ErrorType.Unauthorized,
Message = "Wrong connection key!"
}));
}
await _pusher.Accept(HttpContext);
int sleepTime = 0;
try
{
_connectedCountService.AddConnectedCount(channel.Id);
await Task.Factory.StartNew(_pusher.PendingClose);
_lastAccessService.RecordLastConnectTime(channel.Id);
while (_pusher.Connected && _channelLiveJudger.IsAlive(channel.Id))
{
var nextMessages = _memoryContext
.Messages
.Where(t => t.ChannelId == model.Id)
.Where(t => t.Id > lastReadId)
.ToList();
if (!nextMessages.Any())
{
if (sleepTime < 1000)
{
sleepTime += 5;
}
await Task.Delay(sleepTime);
}
else
{
var nextMessage = nextMessages.OrderBy(t => t.Id).FirstOrDefault();
if (nextMessage != null)
{
await _pusher.SendMessage(nextMessage.Content);
lastReadId = nextMessage.Id;
sleepTime = 0;
}
}
}
_lastAccessService.RecordLastConnectTime(channel.Id);
}
catch (Exception e)
{
_logger.LogError(e, e.Message);
var accessToken = _appsContainer.AccessToken();
await _eventService.LogAsync(await accessToken, e.Message, e.StackTrace, EventLevel.Exception, Request.Path);
}
finally
{
_connectedCountService.ReduceConnectedCount(channel.Id);
}
return(Json(new { }));
}