private IEnumerable <ModuleType> GetModules(string[] moduleNames)
{
if (moduleNames == null || !moduleNames.Any())
{
return(null);
}
var modules = new List <ModuleType>();
foreach (var moduleName in moduleNames)
{
if (Enum.TryParse(moduleName.Trim(), true, out ModuleType moduleType))
{
modules.Add(moduleType);
}
else
{
if (_logger.IsWarn)
{
_logger.Warn($"Incorrect JSON RPC module: {moduleName}");
}
}
}
return(modules);
}
public Task Start(CancellationToken cancellationToken)
{
IEnumerable <string> GetUrls()
{
const string nethermindUrlVariable = "NETHERMIND_URL";
string host = _jsonRpcConfig.Host;
string scheme = "http";
var defaultUrl = $"{scheme}://{host}:{_jsonRpcConfig.Port}";
var urlVariable = Environment.GetEnvironmentVariable(nethermindUrlVariable);
string url = defaultUrl;
if (!string.IsNullOrWhiteSpace(urlVariable))
{
if (Uri.TryCreate(urlVariable, UriKind.Absolute, out var uri))
{
url = urlVariable;
host = uri.Host;
scheme = uri.Scheme;
}
else
{
if (_logger.IsWarn)
{
_logger.Warn($"Environment variable '{nethermindUrlVariable}' value '{urlVariable}' is not valid JSON RPC URL, using default url : '{defaultUrl}'");
}
}
}
yield return(url);
if (_initConfig.WebSocketsEnabled && _jsonRpcConfig.WebSocketsPort != _jsonRpcConfig.Port)
{
yield return($"{scheme}://{host}:{_jsonRpcConfig.WebSocketsPort}");
}
}
if (_logger.IsDebug)
{
_logger.Debug("Initializing JSON RPC");
}
var urls = GetUrls().ToArray();
var webHost = WebHost.CreateDefaultBuilder()
.ConfigureServices(s =>
{
s.AddSingleton(_configurationProvider);
s.AddSingleton(_jsonRpcProcessor);
s.AddSingleton(_webSocketsManager);
})
.UseStartup <Startup>()
.UseUrls(urls)
.ConfigureLogging(logging =>
{
logging.SetMinimumLevel(LogLevel.Information);
logging.ClearProviders();
logging.AddProvider(new CustomMicrosoftLoggerProvider(_logManager));
})
.Build();
string urlsString = string.Join(" ; ", urls);
ThisNodeInfo.AddInfo("JSON RPC :", $"{urlsString}");
ThisNodeInfo.AddInfo("RPC modules :", $"{string.Join(", ", _moduleProvider.Enabled.OrderBy(x => x))}");
_webHost = webHost;
if (!cancellationToken.IsCancellationRequested)
{
_webHost.Start();
if (_logger.IsDebug)
{
_logger.Debug($"JSON RPC : {urlsString}");
}
if (_logger.IsDebug)
{
_logger.Debug($"RPC modules : {string.Join(", ", _moduleProvider.Enabled.OrderBy(x => x))}");
}
}
return(Task.CompletedTask);
}
