/// <summary>
/// 创建委托
/// </summary>
/// <param name="service">继承NarutoWebSocketService的服务</param>
/// <param name="action">执行的方法</param>
/// <param name="parameterEntity">方法的参数</param>
/// <param name="parameterType">参数类型</param>
/// <param name="isParamter">是否为有参数的</param>
/// <returns></returns>
private static Task Create(object service, string action, bool isParamter, object parameterEntity, Type parameterType)
{
//定义输入参数
var p1 = Expression.Parameter(service.GetType(), "service");
//方法的参数对象
var methodParameter = Expression.Parameter(isParamter ? parameterType : typeof(object), "methodParameter");
//动态执行方法
var methodCacheInfo = MethodCache.Get(service.GetType(), action);
//调用指定的方法
MethodCallExpression actionCall = null;
//验证是否方法是否 有参数
if (methodCacheInfo.ParameterInfos.Count() == 0)
{
//执行无参方法
actionCall = Expression.Call(p1, methodCacheInfo.Method);
}
else
{
//执行有参的方法
actionCall = Expression.Call(p1, methodCacheInfo.Method, methodParameter);
}
//生成lambda
var lambda = Expression.Lambda(actionCall, new ParameterExpression[] { p1, methodParameter });
//获取key
var key = service.GetType().Name + action;
//存储
exec.TryAdd(key, lambda.Compile());
return(exec[key].DynamicInvoke(service, parameterEntity) as Task);
}
/// <summary>
/// 执行接收的外部消息
/// </summary>
/// <param name="service"></param>
/// <param name="currentServiceType">当前上下文的类型</param>
/// <param name="messageModel">消息模型</param>
/// <returns></returns>
private async Task EexecReciveMessage(object service, Type currentServiceType, WebSocketMessageModel messageModel)
{
//获取方法
var methodCacheInfo = MethodCache.Get(currentServiceType, messageModel.action);
//获取方法的参数
var parameters = methodCacheInfo.ParameterInfos;
//是否含有参数
var isParamater = parameters.Count() > 0;
//参数信息
var parameterEntity = parameters.Count() > 0 ?await messageModel.message?.ToString().ToDeserializeAsync(parameters[0].ParameterType) : null;
//执行操作
await NarutoWebSocketServiceExpression.ExecAsync(service, messageModel.action, isParamter : isParamater, parameterEntity : parameterEntity, parameterType : isParamater?parameters[0].ParameterType : default).ConfigureAwait(false);
}