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;
while (_pusher.Connected)
{
try
{
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;
}
}
}
catch (InvalidOperationException e)
{
_logger.LogError(e, e.Message);
}
}
return(Json(new { }));
}
public async Task <IActionResult> Channel(ChannelAddressModel model)
{
var lastReadTime = DateTime.Now;
var channel = await _dbContext.Channels.FindAsync(model.Id);
if (channel.ConnectKey != model.Key)
{
return(this.Protocol(ErrorType.Unauthorized, "Wrong connection key!"));
}
await _pusher.Accept(HttpContext);
int sleepTime = 0;
while (_pusher.Connected)
{
try
{
var nextMessages = MqMemoryContext
.Messages
.Where(t => t.ChannelId == model.Id)
.Where(t => t.CreateTime > lastReadTime)
.ToList();
if (!nextMessages.Any())
{
if (sleepTime < 300)
{
sleepTime += 5;
}
await Task.Delay(sleepTime);
}
else
{
var nextMessage = nextMessages.OrderBy(t => t.CreateTime).First();
await _pusher.SendMessage(nextMessage.Content);
lastReadTime = nextMessage.CreateTime;
sleepTime = 0;
}
}
catch (InvalidOperationException)
{
}
}
return(null);
}
public async Task <IActionResult> Channel(ChannelAddressModel model)
{
int lastReadId = _counter.GetCurrent;
var channel = _memoryContext[model.Id];
if (channel == null)
{
return(this.Protocol(ErrorType.NotFound, "Can not find channel with id: " + model.Id));
}
if (channel.ConnectKey != model.Key)
{
return(this.Protocol(new AiurProtocol
{
Code = ErrorType.Unauthorized,
Message = "Wrong connection key!"
}));
}
await _pusher.Accept(HttpContext);
int sleepTime = 0;
try
{
await Task.Factory.StartNew(_pusher.PendingClose);
channel.ConnectedUsers++;
while (_pusher.Connected && channel.IsAlive())
{
channel.LastAccessTime = DateTime.UtcNow;
var nextMessages = channel
.GetMessagesFrom(lastReadId)
.ToList();
if (nextMessages.Any())
{
var messageToPush = nextMessages.OrderBy(t => t.Id).FirstOrDefault();
if (messageToPush != null)
{
await _pusher.SendMessage(messageToPush.Content);
lastReadId = messageToPush.Id;
sleepTime = 0;
}
}
else
{
if (sleepTime < 1000)
{
sleepTime += 5;
}
await Task.Delay(sleepTime);
}
}
}
catch (Exception e)
{
_logger.LogError(e, e.Message);
var accessToken = _appsContainer.AccessToken();
await _eventService.LogExceptionAsync(await accessToken, e, Request.Path);
}
finally
{
channel.ConnectedUsers--;
await _pusher.Close();
}
return(this.Protocol(new AiurProtocol {
Code = ErrorType.UnknownError, Message = "You shouldn't be here."
}));
}
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 { }));
}