/// <summary>
/// Api行为上下文
/// </summary>
/// <param name="requestContext">请求上下文</param>
/// <param name="action">Api行为</param>
/// <param name="context">上下文</param>
public ActionContext(RequestContext requestContext, HttpAction action, IContenxt context)
: base(requestContext.Request, requestContext.Response)
{
this.Action = action;
this.Session = context.Session;
this.AllSessions = context.AllSessions;
}
/// <summary>
/// 输出文件
/// </summary>
/// <param name="context">上下文</param>
private void ExecuteFileResult(RequestContext context)
{
if (string.IsNullOrEmpty(this.ContentType))
{
this.ContentType = "application/ocelet-stream";
}
context.Response.Charset = null;
context.Response.ContentType = this.ContentType;
context.Response.ContentDisposition = this.ContentDisposition;
using (var stream = new FileStream(this.FileName, FileMode.Open, FileAccess.Read))
{
const int size = 8 * 1024;
var state = context.Response.WriteHeader((int)stream.Length);
while (state == true)
{
var bytes = new byte[size];
var length = stream.Read(bytes, 0, size);
if (length == 0)
{
break;
}
var content = new ByteRange(bytes, 0, length);
state = context.Response.WriteContent(content);
}
}
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
if (File.Exists(this.FileName) == true)
{
this.ExecuteFileResult(context);
}
else
{
var result = new ErrorResult { Status = 404, Errors = "找不到文件：" + this.FileName };
result.ExecuteResult(context);
}
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
context.Response.ContentType = "text/event-stream";
context.Response.WriteHeader();
var session =((IWrapper) context.Response).UnWrap();
var wapper = new HttpEventSession(session);
session.SetProtocolWrapper("sse", wapper);
if (this.httpEvent != null)
{
wapper.SendEvent(this.httpEvent);
}
}
/// <summary>
/// 收到http请求
/// </summary>
/// <param name="context">上下文</param>
/// <returns></returns>
private Task OnHttpRequest(IContenxt context)
{
try
{
var request = default(HttpRequest);
if (HttpRequest.Parse(context, out request) == false)
{
return this.Next.Invoke(context);
}
if (context.Session.Protocol == null)
{
context.Session.SetProtocolWrapper("http", null);
}
if (request == null)
{
return new Task(() => { });
}
if (request.IsWebsocketRequest() == true)
{
const string secKey = "Sec-WebSocket-Key";
context.Session.Tag.Set(secKey, request.Headers[secKey]);
return this.Next.Invoke(context);
}
return new Task(() =>
{
var response = new HttpResponse(context.Session);
var requestContext = new RequestContext(request, response);
this.OnHttpRequest(context, requestContext);
});
}
catch (HttpException ex)
{
return new Task(() => this.OnException(context.Session, ex));
}
catch (Exception ex)
{
return new Task(() => this.OnException(context.Session, new HttpException(500, ex.Message)));
}
}
/// <summary>
/// 收到http请求
/// </summary>
/// <param name="context">上下文</param>
/// <param name="requestContext">请求上下文</param>
protected override void OnHttpRequest(IContenxt context, NetworkSocket.Http.RequestContext requestContext)
{
var request = requestContext.Request;
var response = requestContext.Response;
if (AppConfig.PathPattern.IsMatch(request.Path) == false)
{
var message = "路径不匹配，数据未转发 ..";
response.Write(message);
Console.WriteLine(message);
}
else
{
var fastSessions = context.AllSessions.FilterWrappers <FastSession>().ToArray();
foreach (var session in fastSessions)
{
this.PushRequest(session, request);
}
var message = string.Format("数据已转发到{0}到客户端 ..", fastSessions.Length);
response.Write(message);
Console.WriteLine(message);
}
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
var json = new DefaultDynamicJsonSerializer().Serialize(this.data);
context.Response.ContentType = "application/json";
context.Response.Write(json);
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
var json = new JavaScriptSerializer().Serialize(data);
context.Response.ContentType = "application/json";
context.Response.Write(json);
}
/// <summary>
/// 异常上下文
/// </summary>
/// <param name="requestContext">请求上下文</param>
/// <param name="exception">异常</param>
public ExceptionContext(RequestContext requestContext, Exception exception)
: base(requestContext.Request, requestContext.Response)
{
this.Exception = exception;
}
/// <summary>
/// 处理一般的请求
/// </summary>
/// <param name="route">路由</param>
/// <param name="requestContext">上下文</param>
private void ProcessNormalRequest(string route, RequestContext requestContext)
{
var action = this.httpActionList.TryGet(requestContext.Request);
if (action == null)
{
this.ProcessActionNotFound(route, requestContext);
}
else
{
this.ExecuteHttpAction(action, requestContext);
}
}
/// <summary>
/// 异常时
/// </summary>
/// <param name="session">产生异常的会话</param>
/// <param name="exception">异常</param>
protected sealed override void OnException(ISession session, Exception exception)
{
var response = new HttpResponse(session);
var requestContext = new RequestContext(null, response);
var exceptionConext = new ExceptionContext(requestContext, exception);
this.ExecGlobalExceptionFilters(exceptionConext);
if (exceptionConext.Result != null)
{
exceptionConext.Result.ExecuteResult(requestContext);
}
else
{
base.OnException(session, exception);
}
}
/// <summary> /// 执行结果 /// </summary> /// <param name="context">上下文</param> public abstract void ExecuteResult(RequestContext context);
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
var gzip = context.Request.IsAcceptGZip();
context.Response.WriteResponse(Content, gzip);
}
/// <summary>
/// 处理一般的请求
/// </summary>
/// <param name="route">路由</param>
/// <param name="context">上下文</param>
/// <param name="requestContext">请求上下文</param>
private void ProcessActionRequest(string route, IContenxt context, RequestContext requestContext)
{
var action = this.httpActionList.TryGet(requestContext.Request);
if (action == null)
{
var ex = new HttpException(404, "找不到路径" + route);
this.ProcessHttpException(ex, requestContext);
}
else
{
this.ExecuteHttpAction(action, context, requestContext);
}
}
/// <summary>
/// 处理http请求
/// </summary>
/// <param name="requestContext">请求上下文</param>
private void ProcessRequest(RequestContext requestContext)
{
var route = requestContext.Request.Url.AbsolutePath;
var action = this.httpActionList.TryGet(requestContext.Request);
if (action == null)
{
var exception = new ApiNotExistException(route);
var exceptionContext = new ExceptionContext(requestContext, exception);
foreach (var filter in this.GlobalFilter.ExceptionFilters)
{
filter.OnException(exceptionContext);
if (exceptionContext.ExceptionHandled == true) break;
}
var result = exceptionContext.Result != null ? exceptionContext.Result : new ErrorResult
{
Status = 404,
Errors = exception.Message
};
result.ExecuteResult(requestContext);
}
else
{
var controller = this.DependencyResolver.GetService(action.DeclaringService) as HttpController;
var actionContext = new ActionContext(requestContext, action);
controller.Server = this;
((IHttpController)controller).Execute(actionContext);
// 释放资源
this.DependencyResolver.TerminateService(controller);
}
}
/// <summary>
/// Api行为上下文
/// </summary>
/// <param name="context">请求上下文</param>
/// <param name="action">Api行为</param>
public ActionContext(RequestContext context, HttpAction action)
: base(context.Request, context.Response)
{
this.Action = action;
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
this.ExecuteResult(context.Response);
}
/// <summary>
/// 处理静态资源请求
/// </summary>
/// <param name="extension">扩展名</param>
/// <param name="requestContext">上下文</param>
private void ProcessStaticFileRequest(string extension, RequestContext requestContext)
{
var contenType = this.MIMECollection.GetContentType(extension);
var file = requestContext.Request.Url.AbsolutePath.TrimStart('/').Replace(@"/", @"\");
if (string.IsNullOrWhiteSpace(contenType) == true)
{
var result = new ErrorResult { Status = 403 };
result.ExecuteResult(requestContext);
}
else if (File.Exists(file) == false)
{
var result = new ErrorResult { Status = 404, Errors = "找不到指定的文件 .." };
result.ExecuteResult(requestContext);
}
else
{
var result = new FileResult { FileName = file, ContentType = contenType };
result.ExecuteResult(requestContext);
}
}
/// <summary>
/// 处理http请求
/// </summary>
/// <param name="requestContext">请求上下文</param>
private void ProcessRequest(RequestContext requestContext)
{
var extenstion = Path.GetExtension(requestContext.Request.Path);
if (string.IsNullOrWhiteSpace(extenstion) == false)
{
this.ProcessStaticFileRequest(extenstion, requestContext);
}
else
{
this.ProcessNormalRequest(requestContext.Request.Path, requestContext);
}
}
/// <summary>
/// 收到Http请求时触发
/// </summary>
/// <param name="context">上下文</param>
/// <param name="requestContext">请求上下文对象</param>
protected override void OnHttpRequest(IContenxt context, RequestContext requestContext)
{
var extenstion = Path.GetExtension(requestContext.Request.Path);
if (string.IsNullOrWhiteSpace(extenstion) == false)
{
this.ProcessStaticFileRequest(extenstion, requestContext);
}
else
{
this.ProcessActionRequest(requestContext.Request.Path, context, requestContext);
}
}
/// <summary>
/// 异常上下文
/// </summary>
/// <param name="requestContext">请求上下文</param>
/// <param name="exception">异常</param>
public ExceptionContext(RequestContext requestContext, Exception exception)
: base(requestContext.Request, requestContext.Response)
{
this.Exception = exception;
}
/// <summary>
/// 处理静态资源请求
/// </summary>
/// <param name="extension">扩展名</param>
/// <param name="requestContext">上下文</param>
private void ProcessStaticFileRequest(string extension, RequestContext requestContext)
{
var contenType = this.MIMECollection[extension];
var file = requestContext.Request.Url.AbsolutePath.TrimStart('/').Replace(@"/", @"\");
if (string.IsNullOrWhiteSpace(contenType) == true)
{
var ex = new HttpException(403, string.Format("未配置{0}格式的MIME ..", extension));
this.ProcessHttpException(ex, requestContext);
}
else if (File.Exists(file) == false)
{
var ex = new HttpException(404, string.Format("找不到文件{0} ..", file));
this.ProcessHttpException(ex, requestContext);
}
else
{
var result = new FileResult { FileName = file, ContentType = contenType };
result.ExecuteResult(requestContext);
}
}
/// <summary> /// 收到Http请求时触发 /// </summary> /// <param name="context">上下文</param> /// <param name="requestContext">请求上下文对象</param> /// <returns ></returns> protected abstract Task OnHttpRequestAsync(IContenxt context, RequestContext requestContext);
/// <summary>
/// 执行httpAction
/// </summary>
/// <param name="action">httpAction</param>
/// <param name="context">上下文</param>
/// <param name="requestContext">请求上下文</param>
private void ExecuteHttpAction(HttpAction action, IContenxt context, RequestContext requestContext)
{
var actionContext = new ActionContext(requestContext, action, context);
var controller = GetHttpController(actionContext);
if (controller != null)
{
controller.Execute(actionContext);
this.DependencyResolver.TerminateService(controller);
}
}
/// <summary> /// 收到Http请求时触发 /// </summary> /// <param name="context">上下文</param> /// <param name="requestContext">请求上下文对象</param> protected abstract void OnHttpRequest(IContenxt context, RequestContext requestContext);
/// <summary>
/// 处理Http异常
/// </summary>
/// <param name="ex">Http异常</param>
/// <param name="context">请求上下文</param>
private void ProcessHttpException(HttpException ex, RequestContext context)
{
var exceptionContent = new ExceptionContext(context, ex);
this.ExecGlobalExceptionFilters(exceptionContent);
var result = exceptionContent.Result ?? new ErrorResult(ex);
result.ExecuteResult(context);
}
/// <summary>
/// 执行httpAction
/// </summary>
/// <param name="action">httpAction</param>
/// <param name="requestContext">上下文</param>
private void ExecuteHttpAction(HttpAction action, RequestContext requestContext)
{
var controller = this.DependencyResolver.GetService(action.DeclaringService) as HttpController;
var actionContext = new ActionContext(requestContext, action);
controller.Server = this;
((IHttpController)controller).Execute(actionContext);
// 释放资源
this.DependencyResolver.TerminateService(controller);
}
/// <summary>
/// 收到Http请求
/// </summary>
/// <param name="request">请求对象</param>
/// <param name="response">回复对象</param>
protected override void OnHttpRequest(HttpRequest request, HttpResponse response)
{
var route = request.Url.AbsolutePath;
var action = this.httpActionList.TryGet(route);
var requestContext = new RequestContext(request, response);
if (action == null)
{
var exception = new ApiNotExistException(route);
var exceptionContext = new ExceptionContext(requestContext, exception);
foreach (var filter in this.GlobalFilter.ExceptionFilters)
{
filter.OnException(exceptionContext);
if (exceptionContext.ExceptionHandled == true) break;
}
var result = exceptionContext.Result == null ? new ErrorResult { Status = 404, Errors = exception.Message } : exceptionContext.Result;
result.ExecuteResult(requestContext);
}
else
{
var controller = this.DependencyResolver.GetService(action.DeclaringService) as HttpController;
var actionContext = new ActionContext(requestContext, action);
controller.Server = this;
((IHttpController)controller).Execute(actionContext);
}
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
context.Response.Write(content);
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="context">上下文</param>
public override void ExecuteResult(RequestContext context)
{
context.Response.Status = this.Status;
context.Response.Write(this.Errors);
}
/// <summary>
/// 处理找不到Action
/// </summary>
/// <param name="route">路由</param>
/// <param name="requestContext">上下文</param>
private void ProcessActionNotFound(string route, RequestContext requestContext)
{
var exception = new ApiNotExistException(route);
var exceptionContext = new ExceptionContext(requestContext, exception);
foreach (var filter in this.GlobalFilter.ExceptionFilters)
{
filter.OnException(exceptionContext);
if (exceptionContext.ExceptionHandled == true) break;
}
var result = exceptionContext.Result != null ? exceptionContext.Result : new ErrorResult
{
Status = 404,
Errors = exception.Message
};
result.ExecuteResult(requestContext);
}
