/// <summary>
/// 处理正常的数据请求
/// </summary>
/// <param name="requestContext">请求上下文</param>
private void ProcessRequest(RequestContext requestContext)
{
if (requestContext.Packet.fromClient == false)
{
FastWebSocketCommon.SetApiActionTaskResult(requestContext, this.TaskSetActionTable);
return;
}
var action = this.GetApiAction(requestContext);
if (action == null)
{
return;
}
var actionContext = new ActionContext(requestContext, action);
var fastApiService = this.GetFastApiService(actionContext);
if (fastApiService == null)
{
return;
}
// 执行Api行为
fastApiService.Execute(actionContext);
// 释放资源
this.DependencyResolver.TerminateService(fastApiService);
}
/// <summary>
/// 绑定服务
/// </summary>
/// <param name="apiServiceType">Api服务类型</param>
/// <exception cref="ArgumentNullException"></exception>
/// <exception cref="ArgumentException"></exception>
/// <exception cref="ArgumentOutOfRangeException"></exception>
/// <returns></returns>
public FastWebSocketServer BindService(IEnumerable <Type> apiServiceType)
{
if (apiServiceType == null)
{
throw new ArgumentNullException("apiServiceType");
}
if (apiServiceType.Count() == 0)
{
throw new ArgumentOutOfRangeException("apiServiceType", "apiServiceType集合不能为空");
}
if (apiServiceType.Any(item => item == null))
{
throw new ArgumentException("apiServiceType不能含null值");
}
if (apiServiceType.Any(item => item.IsInterface || item.IsAbstract))
{
throw new ArgumentException("apiServiceType不能是接口或抽象类");
}
if (apiServiceType.Any(item => typeof(IFastApiService).IsAssignableFrom(item) == false))
{
throw new ArgumentException(string.Format("apiServiceType必须派生于{0}", typeof(IFastApiService).Name));
}
foreach (var type in apiServiceType)
{
var actions = FastWebSocketCommon.GetServiceApiActions(type);
this.apiActionList.AddRange(actions);
}
return(this);
}
/// <summary>
/// 处理远返回的程异常
/// </summary>
/// <param name="requestContext">请求上下文</param>
private void ProcessRemoteException(RequestContext requestContext)
{
var remoteException = FastWebSocketCommon.SetApiActionTaskException(this.TaskSetActionTable, requestContext);
if (remoteException != null)
{
var exceptionContext = new ExceptionContext(requestContext, remoteException);
this.ExecGlobalExceptionFilters(exceptionContext);
}
}
/// <summary>
/// 处理Api行为执行过程中产生的异常
/// </summary>
/// <param name="actionContext">上下文</param>
/// <param name="actionfilters">过滤器</param>
/// <param name="exception">异常项</param>
private void ProcessExecutingException(ActionContext actionContext, IEnumerable <IFilter> actionfilters, Exception exception)
{
var exceptionContext = new ExceptionContext(actionContext, new ApiExecuteException(actionContext, exception));
FastWebSocketCommon.SetRemoteException(this.Server.JsonSerializer, exceptionContext);
this.ExecExceptionFilters(actionfilters, exceptionContext);
if (exceptionContext.ExceptionHandled == false)
{
throw exception;
}
}
/// <summary>
/// 获取Api行为
/// </summary>
/// <param name="requestContext">请求上下文</param>
/// <returns></returns>
private ApiAction GetApiAction(RequestContext requestContext)
{
var action = this.apiActionList.TryGet(requestContext.Packet.api);
if (action == null)
{
var exception = new ApiNotExistException(requestContext.Packet.api);
var exceptionContext = new ExceptionContext(requestContext, exception);
FastWebSocketCommon.SetRemoteException(this.JsonSerializer, exceptionContext);
this.ExecGlobalExceptionFilters(exceptionContext);
}
return(action);
}
/// <summary>
/// 处理远返回的程异常
/// </summary>
/// <param name="requestContext">请求上下文</param>
private void ProcessRemoteException(RequestContext requestContext)
{
var remoteException = FastWebSocketCommon.SetApiActionTaskException(this.taskSetActionTable, requestContext);
if (remoteException == null)
{
return;
}
var exceptionContext = new ExceptionContext(requestContext, remoteException);
this.ExecExceptionFilters(exceptionContext);
if (exceptionContext.ExceptionHandled == false)
{
throw exceptionContext.Exception;
}
}
/// <summary>
/// 调用自身实现的Api行为
/// 将返回值发送给客户端
/// </summary>
/// <param name="actionContext">上下文</param>
/// <param name="filters">过滤器</param>
/// <exception cref="SerializerException"></exception>
private void ExecuteAction(ActionContext actionContext, IEnumerable <IFilter> filters)
{
// 执行Filter
this.ExecFiltersBeforeAction(filters, actionContext);
var parameters = FastWebSocketCommon.GetApiActionParameters(actionContext.Session.JsonSerializer, actionContext);
var returnValue = actionContext.Action.Execute(this, parameters);
// 执行Filter
this.ExecFiltersAfterAction(filters, actionContext);
// 返回数据
if (actionContext.Action.IsVoidReturn == false && actionContext.Session.IsConnected)
{
var packet = actionContext.Packet;
packet.body = returnValue;
var packetJson = actionContext.Session.JsonSerializer.Serialize(packet);
actionContext.Session.SendText(packetJson);
}
}
/// <summary>
/// 获取ApiService实例
/// </summary>
/// <param name="actionContext">Api行为上下文</param>
/// <returns></returns>
private IFastApiService GetFastApiService(ActionContext actionContext)
{
// 获取服务实例
var fastApiService = (IFastApiService)DependencyResolver.Current.GetService(actionContext.Action.DeclaringService);
if (fastApiService != null)
{
return(fastApiService);
}
var exception = new Exception(string.Format("无法获取类型{0}的实例", actionContext.Action.DeclaringService));
var exceptionContext = new ExceptionContext(actionContext, exception);
FastWebSocketCommon.SetRemoteException(this.JsonSerializer, exceptionContext);
this.ExecExceptionFilters(exceptionContext);
if (exceptionContext.ExceptionHandled == false)
{
throw exception;
}
return(null);
}
/// <summary>
/// 获取ApiService实例
/// </summary>
/// <param name="actionContext">Api行为上下文</param>
/// <returns></returns>
private IFastApiService GetFastApiService(ActionContext actionContext)
{
IFastApiService fastApiService = null;
Exception innerException = null;
try
{
fastApiService = (IFastApiService)this.DependencyResolver.GetService(actionContext.Action.DeclaringService);
}
catch (Exception ex)
{
innerException = ex;
}
if (fastApiService == null)
{
var exception = new ResolveException(actionContext.Action.DeclaringService, innerException);
var exceptionContext = new ExceptionContext(actionContext, exception);
FastWebSocketCommon.SetRemoteException(this.JsonSerializer, exceptionContext);
this.ExecGlobalExceptionFilters(exceptionContext);
}
return(fastApiService);
}
