/// <summary>
/// Starts running a new RestBus host.
/// </summary>
/// <param name="app">The Application builder</param>
/// <param name="subscriber">The RestBus subscriber</param>
/// <param name="skipRestBusServerCheck">Set to true to run the host even if the application server is the RestBus.AspNet server</param>
public static void RunRestBusHost(this IApplicationBuilder app, IRestBusSubscriber subscriber, bool skipRestBusServerCheck)
{
if (app == null) throw new ArgumentNullException("app");
if (subscriber == null) throw new ArgumentNullException("subscriber");
if (!skipRestBusServerCheck &&
app.ApplicationServices.GetRequiredService<IHostingEnvironment>().Configuration[Server.Server.ConfigServerArgumentName] == Server.Server.ConfigServerAssembly)
{
//The application is running RestBusServer, so exit
return;
}
var appFunc = app.Build();
var _loggerFactory = app.ApplicationServices.GetRequiredService<ILoggerFactory>();
var diagnosticSource = app.ApplicationServices.GetRequiredService<DiagnosticSource>();
var httpContextFactory = app.ApplicationServices.GetRequiredService<IHttpContextFactory>();
//TODO: Work on counting instances (all hosts + server) and adding the count to the logger name e.g RestBus.AspNet (2), consider including the typename as well.
var application = new HostingApplication(appFunc, _loggerFactory.CreateLogger(Server.Server.ConfigServerAssembly), diagnosticSource, httpContextFactory);
var host = new RestBusHost<HostingApplication.Context>(subscriber, application);
//Register host for disposal
var appLifeTime = app.ApplicationServices.GetRequiredService<IApplicationLifetime>();
appLifeTime.ApplicationStopping.Register(() => host.Dispose()); //TODO: Make ApplicationStopping event stop dequeueing items (StopPollingQueue)
appLifeTime.ApplicationStopped.Register(() => host.Dispose());
//Start host
host.Start();
}
/// <summary>
/// Configures the RestBus server to use a specified subscriber
/// </summary>
/// <param name="app">The Application builder</param>
/// <param name="subscriber">The RestBus subscriber</param>
public static void ConfigureRestBusServer( this IApplicationBuilder app, IRestBusSubscriber subscriber )
{
if (app == null) throw new ArgumentNullException("app");
if (subscriber == null) throw new ArgumentNullException("subscriber");
var feature = app.ServerFeatures.Get<IServerInformation>();
if (feature == null) return; //Application isn't running RestBus server so return
var serverInfo = feature as ServerInformation;
if(serverInfo != null)
{
serverInfo.Subscriber = subscriber;
}
}
/// <summary>
/// Starts running a new RestBus host.
/// </summary>
/// <param name="app">The Application builder</param>
/// <param name="subscriber">The RestBus subscriber</param>
/// <param name="skipRestBusServerCheck">Set to true to run the host even if the application server is the RestBus.AspNet server</param>
public static void RunRestBusHost(this IApplicationBuilder app, IRestBusSubscriber subscriber, bool skipRestBusServerCheck)
{
if (app == null)
{
throw new ArgumentNullException("app");
}
if (subscriber == null)
{
throw new ArgumentNullException("subscriber");
}
if (!skipRestBusServerCheck &&
app.ApplicationServices.GetRequiredService <IHostingEnvironment>().Configuration[Server.Server.ConfigServerArgumentName] == Server.Server.ConfigServerAssembly)
{
//The application is running RestBusServer, so exit
return;
}
var appFunc = app.Build();
var _loggerFactory = app.ApplicationServices.GetRequiredService <ILoggerFactory>();
var diagnosticSource = app.ApplicationServices.GetRequiredService <DiagnosticSource>();
var httpContextFactory = app.ApplicationServices.GetRequiredService <IHttpContextFactory>();
//TODO: Work on counting instances (all hosts + server) and adding the count to the logger name e.g RestBus.AspNet (2), consider including the typename as well.
var application = new HostingApplication(appFunc, _loggerFactory.CreateLogger(Server.Server.ConfigServerAssembly), diagnosticSource, httpContextFactory);
var host = new RestBusHost <HostingApplication.Context>(subscriber, application);
//Register host for disposal
var appLifeTime = app.ApplicationServices.GetRequiredService <IApplicationLifetime>();
appLifeTime.ApplicationStopping.Register(() => host.Dispose()); //TODO: Make ApplicationStopping event stop dequeueing items (StopPollingQueue)
appLifeTime.ApplicationStopped.Register(() => host.Dispose());
//Start host
host.Start();
}
/// <summary>
/// Configures the RestBus server to use a specified subscriber
/// </summary>
/// <param name="app">The Application builder</param>
/// <param name="subscriber">The RestBus subscriber</param>
public static void ConfigureRestBusServer(this IApplicationBuilder app, IRestBusSubscriber subscriber)
{
if (app == null)
{
throw new ArgumentNullException("app");
}
if (subscriber == null)
{
throw new ArgumentNullException("subscriber");
}
var feature = app.ServerFeatures.Get <IServerInformation>();
if (feature == null)
{
return; //Application isn't running RestBus server so return
}
var serverInfo = feature as ServerInformation;
if (serverInfo != null)
{
serverInfo.Subscriber = subscriber;
}
}
public RestBusHost(IRestBusSubscriber subscriber, HttpConfiguration config)
{
this.subscriber = subscriber;
this.config = config;
this.requestHandler = new RequestHandler(config);
}
public RestBusHost(IRestBusSubscriber subscriber, HttpConfiguration config)
{
this.subscriber = subscriber;
this.config = config;
this.requestHandler = new RequestHandler(config);
}
private static HttpResponsePacket CreateResponsePacketFromMessage(HttpResponseMessage responseMsg, IRestBusSubscriber subscriber)
{
var responsePkt = responseMsg.ToHttpResponsePacket();
//Add/Update Server header
responsePkt.Headers["Server"] = HTTP_RESPONSE_SERVER_HEADER;
return(responsePkt);
}
//TODO: See if it's possible to prevent middleware from being added after RunRestBusHost() is called, subsequent calls to RunRestBusHost must succeed.
/// <summary>
/// Starts running a new RestBus host.
/// </summary>
/// <param name="app">The Application builder</param>
/// <param name="subscriber">The RestBus subscriber</param>
/// <remarks>The RestBus host will not be started if the application is running a RestBus server.</remarks>
public static void RunRestBusHost(this IApplicationBuilder app, IRestBusSubscriber subscriber)
{
RunRestBusHost(app, subscriber, false);
}
private static HttpResponsePacket CreateResponsePacketFromMessage(HttpResponseMessage responseMsg, IRestBusSubscriber subscriber)
{
var responsePkt = responseMsg.ToHttpResponsePacket();
//Add/Update Server header
responsePkt.Headers["Server"] = HTTP_RESPONSE_SERVER_HEADER;
return responsePkt;
}
private static HttpResponsePacket CreateResponsePacketFromWrapper(ResponseWrapper wrapper, IRestBusSubscriber subscriber)
{
HttpResponsePacket response = new HttpResponsePacket();
string trimmedKey;
foreach (string key in wrapper.Headers.AllKeys)
{
foreach (string value in wrapper.Headers.GetValues(key))
{
trimmedKey = key.Trim();
if (trimmedKey != String.Empty)
{
if (response.Headers.ContainsKey(trimmedKey))
{
((List <string>)response.Headers[trimmedKey]).Add(value);
}
else
{
response.Headers.Add(trimmedKey, new List <string> {
value
});
}
}
}
}
//TODO: Investigate if servicestack V3 produces a Server header, if so add it here and in CreateResponseFromException
response.Content = (wrapper.OutputStream as System.IO.MemoryStream).ToArray();
response.StatusCode = wrapper.StatusCode;
response.StatusDescription = wrapper.StatusDescription;
response.Version = HTTP_RESPONSE_VERSION;
return(response);
}
//TODO: See if it's possible to prevent middleware from being added after RunRestBusHost() is called, subsequent calls to RunRestBusHost must succeed.
/// <summary>
/// Starts running a new RestBus host.
/// </summary>
/// <param name="app">The Application builder</param>
/// <param name="subscriber">The RestBus subscriber</param>
/// <remarks>The RestBus host will not be started if the application is running a RestBus server.</remarks>
public static void RunRestBusHost(this IApplicationBuilder app, IRestBusSubscriber subscriber)
{
RunRestBusHost(app, subscriber, false);
}
private static HttpResponsePacket CreateResponsePacketFromMessage(HttpResponseMessage responseMsg, IRestBusSubscriber subscriber)
{
//TODO: Confirm that commas in response headers are merged properly into packet header
//It seems like header folding behavior in ToHttpResponsePacket() is wrong
//AddHeader("One, Two")
//AddHeader(["Three", "Four"])
//Should not return
//"One, Two"
//"Three, Four" in the output
//It should be:
//"One, Two"
//"Three"
//"Four"
var responsePkt = responseMsg.ToHttpResponsePacket();
//Add/Update Subscriber-Id header
responsePkt.Headers[Common.Shared.SUBSCRIBER_ID_HEADER] = new string[] { subscriber == null ? String.Empty : subscriber.Id ?? String.Empty };
return responsePkt;
}
public RestBusHost(IRestBusSubscriber subscriber)
{
this.subscriber = subscriber;
}
private static HttpResponsePacket CreateResponsePacketFromWrapper(ResponseWrapper wrapper, IRestBusSubscriber subscriber)
{
HttpResponsePacket response = new HttpResponsePacket();
//TODO: Note that when implementing this in WebAPI/MVC the "responsewrapper" will most likely split headers into groups seperated by commas
string trimmedKey;
foreach (string key in wrapper.Headers.AllKeys)
{
foreach (string value in wrapper.Headers.GetValues(key))
{
trimmedKey = key.Trim();
if (trimmedKey != String.Empty)
{
if (response.Headers.ContainsKey(trimmedKey))
{
((List <string>)response.Headers[trimmedKey]).Add(value);
}
else
{
response.Headers.Add(trimmedKey, new List <string> {
value
});
}
}
}
}
//Add/Update Subscriber-Id header
response.Headers[Common.Shared.SUBSCRIBER_ID_HEADER] = new string[] { subscriber == null ? String.Empty : subscriber.Id ?? String.Empty };
response.Content = (wrapper.OutputStream as System.IO.MemoryStream).ToArray();
response.StatusCode = wrapper.StatusCode;
response.StatusDescription = wrapper.StatusDescription;
response.Version = HTTP_RESPONSE_VERSION;
return(response);
}
private HttpResponsePacket CreateResponsePacketFromMessage(HttpResponseMessage responseMsg, IRestBusSubscriber subscriber)
{
//TODO: Confirm that commas in response headers are merged iproperly into packet header
var responsePkt = new HttpResponsePacket(responseMsg);
//Add/Update Subscriber-Id header
responsePkt.Headers[Common.Shared.SUBSCRIBER_ID_HEADER] = new string[] { subscriber == null ? String.Empty : subscriber.Id ?? String.Empty };
return(responsePkt);
}
private HttpResponsePacket CreateResponsePacketFromMessage(HttpResponseMessage responseMsg, IRestBusSubscriber subscriber)
{
//TODO: Confirm that commas in response headers are merged iproperly into packet header
var responsePkt = new HttpResponsePacket(responseMsg);
//Add/Update Subscriber-Id header
responsePkt.Headers[Common.Shared.SUBSCRIBER_ID_HEADER] = new string[] { subscriber == null ? String.Empty : subscriber.Id ?? String.Empty };
return responsePkt;
}
public RestBusHost(IRestBusSubscriber subscriber, IApplicationBuilder appBuilder)
{
this.appFunc = appBuilder.Build();
this.subscriber = subscriber;
//this.requestHandler = new RequestHandler(config);
}
/// <summary>
/// Initializes a new instance of <see cref="RestBusHost{TContext}"/>
/// </summary>
/// <param name="subscriber">The RestBus Subscriber</param>
/// <param name="application">The HttpApplication</param>
internal RestBusHost(IRestBusSubscriber subscriber, IHttpApplication <TContext> application)
{
this.subscriber = subscriber;
this.application = application;
}
