public async Task <Channel <Message> > CreateChannelAsync(
Symbol publisherId, CancellationToken cancellationToken)
{
var clientId = ClientId.Value;
try {
var connectionUri = ConnectionUrlResolver.Invoke(this, publisherId);
_log.LogInformation($"{clientId}: Connecting to {connectionUri}...");
var ws = ClientWebSocketFactory.Invoke(ServiceProvider);
using var cts = new CancellationTokenSource(ConnectTimeout);
using var lts = CancellationTokenSource.CreateLinkedTokenSource(cts.Token, cancellationToken);
await ws.ConnectAsync(connectionUri, lts.Token).ConfigureAwait(false);
_log.LogInformation($"{clientId}: Connected.");
var wsChannel = new WebSocketChannel(ws);
Channel <string> stringChannel = wsChannel;
if (MessageLogLevel.HasValue)
{
stringChannel = stringChannel.WithLogger(
clientId, _log,
MessageLogLevel.GetValueOrDefault(),
MessageMaxLength);
}
var serializers = ChannelSerializerPairFactory.Invoke(ServiceProvider);
var resultChannel = stringChannel.WithSerializers(serializers);
wsChannel.WhenCompletedAsync(default).ContinueWith(async _ => {
public async Task <Channel <Message> > CreateChannelAsync(
Symbol publisherId, CancellationToken cancellationToken)
{
var clientId = ClientId.Value;
try {
var connectionUri = GetConnectionUrl(publisherId);
_log.LogInformation($"{clientId}: Connecting to {connectionUri}...");
var ws = ClientWebSocketFactory.Invoke(ServiceProvider);
using var cts = new CancellationTokenSource(ConnectTimeout);
using var lts = CancellationTokenSource.CreateLinkedTokenSource(cts.Token, cancellationToken);
await ws.ConnectAsync(connectionUri, lts.Token).ConfigureAwait(false);
_log.LogInformation($"{clientId}: Connected.");
await using var wsChannel = new WebSocketChannel(ws);
Channel <string> stringChannel = wsChannel;
if (MessageLogLevel.HasValue)
{
stringChannel = stringChannel.WithLogger(
clientId, _log,
MessageLogLevel.GetValueOrDefault(),
MessageMaxLength);
}
var serializers = ChannelSerializerPairFactory.Invoke(ServiceProvider);
var resultChannel = stringChannel.WithSerializers(serializers);
return(resultChannel);
}
catch (OperationCanceledException) {
if (cancellationToken.IsCancellationRequested)
{
throw;
}
throw Errors.WebSocketConnectTimeout();
}
catch (Exception e) {
_log.LogError(e, $"{clientId}: Error.");
throw;
}
}