public string GetVirtualPath(ISTKService srv, MethodInfo mi, RouteValueDictionary args)
{
if (_resolvVirtualPathContext == null)
{
var factory = _host.Services.GetService <IHttpContextFactory>();
_resolvVirtualPathContext = factory.Create(_host.ServerFeatures);
}
var vpc = new VirtualPathContext(_resolvVirtualPathContext, null, args, $"{srv.Alias}-{mi.Name}");
var path = _router.GetVirtualPath(vpc).VirtualPath;
return("");
}
public void ResolveRouter(ISTKService srv)
{
ServiceRouteCollection routers = new ServiceRouteCollection();
var inlineResolver = _host.Services.GetService <IInlineConstraintResolver>();
Type srvType = srv.GetType();
foreach (var methodInfo in srvType.GetMethods(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic))
{
Action <HttpContext> func = null;
foreach (var info in methodInfo.GetCustomAttributes(false).OfType <RouteAttribute>())
{
var routeName = $"{srv.Alias}-{methodInfo.Name}";
var templateStr = MixRoute(srv.Alias, info.Template);
if (func == null)
{
func = BuildHandler(methodInfo, srv, templateStr);
}
var constraints =
new RouteValueDictionary(new { httpMethod = new HttpMethodRouteConstraint(info.Verb) });
var route = new Route(
new RouteHandler(context =>
{
var ret = new Task(() =>
{
try
{
func(context);
}
catch (Exception e)
{
Console.WriteLine(e);
}
});
ret.Start();
return(ret);
}),
routeName: routeName,
routeTemplate: templateStr,
defaults: null,
constraints: constraints,
dataTokens: null,
inlineConstraintResolver: inlineResolver);
routers.Add(route);
}
}
routers.Service = srv;
_router.Add(routers);
}
public void RemoveRoute(ISTKService srv)
{
_router.RemoveRouting(srv);
}
/// <summary>
/// 读取配置Xml文档
/// 格式类似下面的：
/// <STKProject>
/// <Services>
/// <Service Class="NetEaseFetch">
/// <!--Settings Of NetEaseFetch Service-->
/// </Service>
/// </Services>
/// <Connections>
/// <Connection>
/// <From>Alias.Method</From>
/// <To>Alias.Port</To>
/// </Connection>
/// </Connections>
/// </STKProject>
/// </summary>
/// <param name="xmlPath"></param>
public void ReadSetting(string xmlPath)
{
var doc = XDocument.Load(xmlPath);
var root = doc.Element("STKProject");
if (root == null)
{
return;
}
if (root.Element("Services") == null)
{
return;
}
if (root.Element("Connections") == null)
{
return;
}
foreach (var xElement in root.Element("Services").Elements("Service"))
{
string className = xElement.Attribute("Class")?.Value;
if (className == null)
{
continue;
}
Type classType = null;
ServiceTypes.TryGetValue(className, out classType);
if (classType == null)
{
throw new ArgumentException("不存在服务:" + className);
}
ISTKService srv = (ISTKService)Activator.CreateInstance(classType);
srv.LoadDefaultSetting();//Load Default Setting First
foreach (var element in xElement.Elements())
{
var propInfo = classType.GetProperty(element.Name.ToString());
if (propInfo == null)
{
continue;
}
propInfo.SetValue(srv,
Convert.ChangeType(element.Value, propInfo.PropertyType));
}
ActiveServices.Add(srv);
}
foreach (var xElement in root.Element("Connections").Elements("Connection"))
{
var from = xElement.Element("From").Value.Split('.');
var to = xElement.Element("To").Value.Split('.');
string fromAlias = from[0];
string fromMethod = from[1];
string toAlias = to[0];
string toPort = to[1];
ISTKService fromSrv;
ISTKService toSrv;
if ((fromSrv = ActiveServices.FirstOrDefault(srv => srv.Alias == fromAlias)) == null)
{
throw new Exception("找不到" + fromAlias);
}
if ((toSrv = ActiveServices.FirstOrDefault(srv => srv.Alias == toAlias)) == null)
{
throw new Exception("找不到" + toSrv);
}
var fromType = fromSrv.GetType();
var toType = toSrv.GetType();
var fromMethodInfo = fromType.GetMethod(fromMethod);
var toPortInfo = toType.GetProperty(toPort);
var fromArgs = fromMethodInfo.GetParameters().Select(parameter => parameter.ParameterType).ToArray();
//https://stackoverflow.com/questions/12131301/how-can-i-dynamically-create-an-actiont-at-runtime
//动态创建类型
var fromMethodType = fromArgs.Length > 0 ?
_actionTypes[fromArgs.Length].MakeGenericType(fromArgs)
:typeof(Action);
if (toPortInfo.PropertyType != fromMethodType)
{
Console.WriteLine(toPortInfo.PropertyType.ToString() + fromType + "is Not Equal");
continue;
}
var fromMethodDelegate = Delegate.CreateDelegate(fromMethodType, fromSrv, fromMethodInfo, true);
var toPortValue = (Delegate)toPortInfo.GetValue(toSrv);
var finalDelegate = Delegate.Combine(fromMethodDelegate, toPortValue);
toPortInfo.SetValue(toSrv, finalDelegate);
//https://stackoverflow.com/questions/3016429/reflection-and-operator-overloads-in-c-sharp
//获取运算符重载
//var toPortBindFunc = fromMethodType.GetMethod("op_AdditionAssignment");
//toPortBindFunc.Invoke(toPortInfo, new Object[]{fromMethodDelegate});
}
}
