private static async Task <IWampChannel> ConnectAsync(AppArguments appArguments)
{
var factory = new DefaultWampChannelFactory();
IWampClientAuthenticator clientAuthenticator = GetClientAuthenticator(appArguments.AuthMethod, appArguments.AuthId);
var channel = clientAuthenticator == null
? factory.CreateJsonChannel(GetUri(appArguments), appArguments.Realm)
: factory.CreateJsonChannel(GetUri(appArguments), appArguments.Realm, clientAuthenticator);
while (!channel.RealmProxy.Monitor.IsConnected)
{
try
{
Console.WriteLine($"Trying to connect to the server {appArguments.Uri}...");
channel.Open().Wait();
}
catch (Exception e)
{
Console.WriteLine($"Failed to connect: {e.Message}");
Console.WriteLine("Retrying in 5 sec...");
await Task.Delay(TimeSpan.FromSeconds(5));
}
}
return(channel);
}
private static string GetUri(AppArguments appArguments)
{
var uri = appArguments.Uri.ToString();
if (uri.EndsWith('/'))
{
return(uri);
}
return($"{uri}/");
}
private static IDisposable Subscribe(IWampRealmProxy realmProxy, AppArguments appArguments, StreamWriter outputWriter)
{
var subscription = realmProxy.Services
.GetSubject <dynamic>(appArguments.Topic)
.Subscribe(message =>
{
Console.WriteLine(message);
outputWriter?.WriteLine(message);
});
return(subscription);
}
private static StreamWriter TryGetOutputWriter(AppArguments appArguments)
{
if (string.IsNullOrWhiteSpace(appArguments.OutputFilePath))
{
return(null);
}
var fileStream = File.Open(
appArguments.OutputFilePath,
appArguments.AppendOutput ? FileMode.Append : FileMode.Create,
FileAccess.Write,
FileShare.Read);
return(new StreamWriter(fileStream, Encoding.UTF8, bufferSize: 16, leaveOpen: false));
}
