private async Task ConnectAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
CloudServiceOptions options = null;
try
{
_isConnected = false;
if (!_storageService.TryReadOrCreate(out options, CloudServiceOptions.Filename) || options == null)
{
continue;
}
if (!options.IsEnabled)
{
continue;
}
if (string.IsNullOrEmpty(options.IdentityUid) || string.IsNullOrEmpty(options.Password))
{
continue;
}
using (var webSocketClient = new ClientWebSocket())
{
using (var timeout = new CancellationTokenSource(options.ReconnectDelay))
{
var url = $"wss://{options.Host}/Connector";
webSocketClient.Options.SetRequestHeader(CustomCloudHeaderNames.IdentityUid, options.IdentityUid);
webSocketClient.Options.SetRequestHeader(CustomCloudHeaderNames.ChannelUid, options.ChannelUid);
webSocketClient.Options.SetRequestHeader(CustomCloudHeaderNames.Password, options.Password);
webSocketClient.Options.SetRequestHeader(CustomCloudHeaderNames.Version, WirehomeCoreVersion.Version);
await webSocketClient.ConnectAsync(new Uri(url, UriKind.Absolute), timeout.Token).ConfigureAwait(false);
}
_channel = new ConnectorChannel(webSocketClient, _cloudMessageSerializer, _logger);
_logger.LogInformation($"Connected with Wirehome.Cloud at host '{options.Host}'.");
_isConnected = true;
while (_channel.IsConnected && !cancellationToken.IsCancellationRequested)
{
var receiveResult = await _channel.ReceiveAsync(cancellationToken).ConfigureAwait(false);
if (receiveResult.CloseConnection || cancellationToken.IsCancellationRequested)
{
webSocketClient.Abort();
break;
}
if (receiveResult.Message == null)
{
continue;
}
ParallelTask.Start(() => TryProcessCloudMessageAsync(receiveResult.Message, cancellationToken), cancellationToken, _logger);
}
}
}
catch (Exception exception)
{
_logger.LogError(exception, $"Error while connecting with Wirehome.Cloud service at host '{options?.Host}'.");
}
finally
{
_isConnected = false;
_channel = null;
var delay = TimeSpan.FromSeconds(10);
if (options != null && options.ReconnectDelay > TimeSpan.Zero)
{
delay = options.ReconnectDelay;
}
await Task.Delay(delay, cancellationToken).ConfigureAwait(false);
}
}
}
async Task ConnectAsync(CancellationToken cancellationToken)
{
while (!cancellationToken.IsCancellationRequested)
{
try
{
_isConnected = false;
if (!_storageService.SafeReadSerializedValue(out _options, DefaultDirectoryNames.Configuration,
CloudServiceOptions.Filename) || _options == null)
{
continue;
}
if (!_options.IsEnabled)
{
continue;
}
if (string.IsNullOrEmpty(_options.ChannelAccessToken))
{
continue;
}
using (var webSocketClient = new ClientWebSocket())
{
using (var timeout = new CancellationTokenSource(_options.ReconnectDelay))
{
var url = $"wss://{_options.Host}/Connector";
webSocketClient.Options.SetRequestHeader(CloudHeaderNames.ChannelAccessToken,
_options.ChannelAccessToken);
webSocketClient.Options.SetRequestHeader(CloudHeaderNames.Version,
WirehomeCoreVersion.Version);
await webSocketClient.ConnectAsync(new Uri(url, UriKind.Absolute), timeout.Token)
.ConfigureAwait(false);
}
var channelOptions = new ConnectorChannelOptions
{
UseCompression = _options.UseCompression
};
_channel = new ConnectorChannel(channelOptions, webSocketClient, _cloudMessageSerializer,
_logger);
_isConnected = true;
_connectionError = null;
_logger.LogInformation($"Connected with Wirehome.Cloud at host '{_options.Host}'.");
while (_channel.IsConnected && !cancellationToken.IsCancellationRequested)
{
var receiveResult = await _channel.ReceiveAsync(cancellationToken).ConfigureAwait(false);
if (receiveResult.CloseConnection || cancellationToken.IsCancellationRequested)
{
webSocketClient.Abort();
break;
}
if (receiveResult.Message == null)
{
continue;
}
ParallelTask.Start(
() => TryProcessCloudMessageAsync(receiveResult.Message, cancellationToken),
cancellationToken, _logger);
}
}
}
catch (OperationCanceledException)
{
}
catch (Exception exception)
{
_connectionError = exception;
_logger.LogError(exception, $"Error while connecting with Wirehome.Cloud service at host '{_options?.Host}'.");
}
finally
{
_isConnected = false;
_channel = null;
var delay = TimeSpan.FromSeconds(10);
if (_options != null && _options.ReconnectDelay > TimeSpan.Zero)
{
delay = _options.ReconnectDelay;
}
await Task.Delay(delay, cancellationToken).ConfigureAwait(false);
}
}
}