/// <summary>
/// 输出文件
/// </summary>
/// <param name="response">回复对象</param>
public void ExecuteResult(HttpResponse response)
{
if (string.IsNullOrEmpty(this.ContentType))
{
this.ContentType = "application/ocelet-stream";
}
response.Charset = null;
response.ContentType = this.ContentType;
response.ContentDisposition = this.ContentDisposition;
using (var stream = new FileStream(this.FileName, FileMode.Open, FileAccess.Read))
{
const int size = 8 * 1024;
var state = 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 = response.WriteContent(content);
}
}
}
/// <summary>
/// 收到http请求
/// </summary>
/// <param name="request"></param>
/// <param name="response"></param>
protected override void OnHttpRequest(HttpRequest request, HttpResponse response)
{
var parameters = string.Join("&", request.Form, request.Query).Trim('&');
if (string.Equals(request.Path, AppConfig.HttpURL.AbsolutePath, StringComparison.OrdinalIgnoreCase))
{
this.TryPushParameters(parameters);
}
response.Write(parameters);
}
/// <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="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>
/// 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>
/// 请求上下文
/// </summary>
/// <param name="request">请求上下文对象</param>
/// <param name="response">回复上下文对象</param>
internal RequestContext(HttpRequest request, HttpResponse response)
{
this.Request = request;
this.Response = response;
}
/// <summary>
/// 异常时
/// </summary>
/// <param name="session">产生异常的会话</param>
/// <param name="exception">异常</param>
protected virtual void OnException(ISession session, Exception exception)
{
var httpException = exception as HttpException;
if (httpException == null)
{
httpException = new HttpException(500, exception.Message);
}
var result = new ErrorResult(httpException);
var response = new HttpResponse(session);
result.ExecuteResult(response);
}
/// <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)
{
Task.Factory.StartNew(() => this.ProcessRequest(new RequestContext(request, response)));
}
/// <summary>
/// 执行结果
/// </summary>
/// <param name="response">回复对象</param>
public void ExecuteResult(HttpResponse response)
{
response.Status = this.Status;
response.Write(this.Errors);
}
