private static bool BindCertificate(HttpServerConfiguration <TAccount> config)
{
AssemblyPath = System.Reflection.Assembly.GetExecutingAssembly().Location;
Port = config.Port.ToString();
IpAddress = "0.0.0.0";
BindingParams bindingParams;
switch (config.CertificateBindType)
{
case BindType.CertificateThumbprint:
bindingParams = new CertificateThumbprintBindingParams(config.CertificateThumbprint);
break;
case BindType.SubjectName:
bindingParams = new CertificateSubjectnameParams(config.SubjectName, config.AllowGeneratedCertificates);
break;
case BindType.FromFile:
bindingParams = new CertificateFileBindingParams(config.CertificateFilename, null);
break;
default:
return(false);
}
var result = Binder.Bind(AssemblyPath, IpAddress, Port, config.CertificateBindType, bindingParams);
if (result.Status != BindingStatus.Ok)
{
LogMessage(LogLevel.Warning, result.Reason ?? "Binding failed");
return(false);
}
return(true);
}
private static void ConfigureResponseBuilding(HttpServerConfiguration <TAccount> configuration)
{
if (configuration.LogBodyReplacePatterns != null)
{
ResponseFactory.LogBodyReplacePatterns.AddRange(configuration.LogBodyReplacePatterns);
}
if (configuration.LogProhibitedHeaders != null)
{
ResponseFactory.LogProhibitedHeaders.AddRange(configuration.LogProhibitedHeaders);
}
ResponseFactory.NonSerializableTypes = configuration.NonSerializableTypes;
ResponseFactory.SetBodyEncoders(configuration.BodyEncoders);
ResponseFactory.LogResponseBodies = configuration.LogResponseBodies;
ResponseFactory.RequestTracingEnabled = configuration.RequestTracingEnabled;
ResponseFactory.ResponseBodyLogLimit = configuration.ResponseBodyLogLimit;
CommonHelper.SetSerializationLimitations(configuration.RequestBodyLogLimit,
configuration.LogProhibitedQueryParams,
configuration.LogProhibitedHeaders,
configuration.BodyEncoders.First(be => be.IsDefault).Encoding);
if (configuration.ServerName != null)
{
ResponseFactory.SetCommonHeaders(new Dictionary <string, string> {
{ "Server", configuration.ServerName }
});
}
}
private static void PrepareStatistics(HttpServerConfiguration <TAccount> configuration)
{
_statisticsController = configuration.StatisticsEnabled
? new StatisticsController <TAccount>(new ServerStatistics <TAccount>(
configuration.CriticalMemoryValue,
configuration.MemoryAlarmStrategy),
configuration.StatisticsAuthorizer)
: new StatisticsController <TAccount>(null, null);
}
private static void StartListenerThread(HttpServerConfiguration <TAccount> configuration)
{
var protocolString = configuration.Protocol == Protocol.Http ? "http" : "https";
ServicePointManager.DefaultConnectionLimit = 1000;
_requestExecutonBlock = new ActionBlock <HttpListenerContext>(HandleRequestAsync, new ExecutionDataflowBlockOptions
{
MaxDegreeOfParallelism = configuration.MaxConcurrentRequests > 0 ? configuration.MaxConcurrentRequests : -1,
BoundedCapacity = configuration.MaxRequestQueue > 0 ? configuration.MaxRequestQueue : -1
});
_serviceUnavailabeBlock = new ActionBlock <HttpListenerContext>((Action <HttpListenerContext>)ReportServiceUnavailable, new ExecutionDataflowBlockOptions
{
MaxDegreeOfParallelism = 1
});
_listener = new HttpListener();
_listener.Prefixes.Add($"{protocolString}://+:{configuration.Port}/");
_listener.IgnoreWriteExceptions = true;
_listener.Start();
_listenerThread = new Thread(() =>
{
LogMessage(LogLevel.Info, "Server listener thread started");
LogMessage(LogLevel.Info, $"Started listening port {configuration.Port}");
while (true)
{
try
{
var context = _listener.GetContext();
LogDebug($"Client connected: {context.Request.RemoteEndPoint}");
if (!_requestExecutonBlock.Post(context))
{
_serviceUnavailabeBlock.Post(context);
}
}
catch (ThreadAbortException)
{
LogMessage(LogLevel.Info, "Server listener thread stopped");
break;
}
catch (Exception ex)
{
LogException(LogLevel.Error, ex);
}
}
});
_listenerThread.Start();
_serverAddress = $"{protocolString}://{configuration.SubjectName}:{configuration.Port}/";
}
private static bool StartFileProcessing(HttpServerConfiguration <TAccount> configuration)
{
_fileRequestController = new FileRequestController <TAccount>();
return(_fileRequestController.Start(new FileRequestControllerConfiguration <TAccount>
{
FilesEnabled = configuration.FilesEnabled,
FilesBaseUri = configuration.FilesBaseUri,
ExistingFilesPreprocessingFrequency = configuration.ExistingFilesPreprocessingFrequency,
FaviconPath = configuration.FaviconPath,
FilesAuthorizer = configuration.FilesAuthorizer,
FileSections = configuration.FileSections,
FilesLocation = configuration.FilesLocation,
FilesNeedAuthorization = configuration.FilesNeedAuthorization,
FilesPreprocessingEnabled = configuration.FilesPreprocessingEnabled,
FilesCompressionEnabled = configuration.FilesCompressionEnabled,
FilesPreprocessorThreads = configuration.FilesPreprocessorThreads
},
_statisticsController.Statistics));
}
private static void StartServices(HttpServerConfiguration <TAccount> configuration)
{
ServiceUris.AddRange(configuration.GetReservedUris());
if (ServiceUris.Any())
{
LogDebug($"Reserved sections:\n{string.Join("\n", ServiceUris)}");
}
ServiceRequestProcessors.Add(_optionsController);
if (configuration.FilesEnabled)
{
ServiceRequestProcessors.Add(_fileRequestController);
}
if (configuration.StatisticsEnabled)
{
ServiceRequestProcessors.Add(_statisticsController);
}
ServiceRequestProcessors.Add(_pingController);
if (configuration.ConfigurationViewEnabled)
{
ServiceRequestProcessors.Add(_configurationController);
}
ServiceRequestProcessors.Add(_authentificationController);
}
public static ServerStartStatus Start(HttpServerConfiguration <TAccount> configuration)
{
if (_started)
{
LogMessage(LogLevel.Warning, "Server is already running");
return(ServerStartStatus.AlreadyStarted);
}
lock (OperationLock)
{
if (_operationInProgress)
{
LogMessage(LogLevel.Info, "Cannot start now, operation in progress");
return(ServerStartStatus.AlreadyStarted);
}
_operationInProgress = true;
}
if (configuration == null || !configuration.IsEnough())
{
return(ServerStartStatus.BadParameters);
}
DebugLogsEnabled = configuration.DebugLogsEnabled;
RequestTracingEnabled = configuration.RequestTracingEnabled;
try
{
PrepareStatistics(configuration);
_optionsController = new OptionsController <TAccount>(InnerRequestProcessors);
_pingController = new PingController();
_configurationController = new ConfigurationController <TAccount>(configuration);
Protocol = configuration.Protocol;
_authorizer = configuration.Authorizer;
_authentificationController = new AuthentificationController(configuration.Authentificator);
ConfigureResponseBuilding(configuration);
if (configuration.FilesEnabled)
{
if (!StartFileProcessing(configuration))
{
return(ServerStartStatus.BadParameters);
}
}
_requestMaxServeTime = configuration.RequestMaxServeTime;
if (Protocol == Protocol.Https)
{
if (!BindCertificate(configuration))
{
LogMessage(LogLevel.Warning, "Binding failed");
return(ServerStartStatus.BindingError);
}
}
StartListenerThread(configuration);
StartServices(configuration);
_started = true;
return(ServerStartStatus.Ok);
}
catch (SocketException)
{
LogMessage(LogLevel.Critical, $"Error binding to port {configuration.Port}. Is it in use?");
_fileRequestController?.Stop();
return(ServerStartStatus.BindingError);
}
catch (Exception ex)
{
LogException(LogLevel.Critical, ex);
_fileRequestController?.Stop();
return(ServerStartStatus.UnknownError);
}
finally
{
lock (OperationLock)
{
_operationInProgress = false;
}
}
}
