/// <summary>
/// 服务接收消息处理函数
/// </summary>
/// <param name="header"></param>
/// <param name="BodyBytes"></param>
/// <param name="Socket"></param>
private void Service_ReceiveMessage(Header header, byte[] BodyBytes, NetMQSocket Socket)
{
//初始化Model,并在会话结束后dispose
using (var dbContext = new EntityModel())
{
Entity.Model.SessionEntity session = null;
if (header.Session != null)
{
session = dbContext.SessionEntities.FirstOrDefault(j => j.GUID == header.Session && j.ExpirationTime <= DateTime.Now);
}
IUser user;
if (session == null)
{
//没有登陆的话,分配一个游客账户
user = dbContext.UserEntities.FirstOrDefault(i => i.UserName == "Guest");
}
else
{
//刷新session有效期
session.ExpirationTime = DateTime.Now.AddHours(1);
user = session.User;
}
if (user == null)
{
Logger.Error($"Service Receive Error : User is Null !!!");
return;
}
//创建一个简单的会话上下文
var context = Context.CreateContext(user, header, dbContext, Socket);
var eventArgs = new RequestEventArgs()
{
Context = context
};
RequestEvent?.Invoke(this, eventArgs);
if (eventArgs.Cancel == true)//如果接收的请求被取消,则不委托执行
{
return;
}
try
{
//交给注册的委托
var handle = MessageHandle.GetHandle(context.Header.MessageType);
if (handle != null)
{
handle.Invoke(context, BodyBytes);//全程务必保持由当前线程同步执行
}
else
{
Logger.Warn($"未注册的委托 : {context.Header.MessageType}");
}
}
catch (Exception ex)
{
if (context._answer == false)
{
context.Response(new ResException(ex));
}
}
dbContext.SaveChanges();
}
}