/// <summary>
/// 执行方法
/// </summary>
/// <param name="invocation"></param>
/// <param name="session"></param>
/// <returns></returns>
public object ImplementFunc(IInvocation invocation, RRPCSession session)
{
RequestExecutiveInformation information = new RequestExecutiveInformation()
{
AssemblyFullName = invocation.Method.DeclaringType.Assembly.FullName,
FullName = invocation.Method.DeclaringType.FullName,
ID = Guid.NewGuid(),
MethodName = invocation.Method.Name,
Arguments = invocation.Arguments.Select(d => JsonConvert.SerializeObject(d)).ToList()
};
var result = session.RemoteCallQueue.AddTaskQueue(information.ID, information, session);
session.RemoteCallQueue.RemoteExecutionFunc(result);
AOPFilterEntity filterType = null;
if (TransformationSkipType.TryGetValue(invocation.Method.ReturnType.FullName, out var value))
{
filterType = value.Invoke();
if (filterType.IsReturn)
{
return(filterType.Result);
}
}
result.WaitHandle.WaitOne();
switch (result.State)
{
case ReceiveMessageState.Wait:
throw new Exception("任务出现错误，目前正在等待状态，却通过了健康检查");
case ReceiveMessageState.Success:
if (filterType != null && filterType.IsReplaceResult)
{
return(filterType.Result);
}
else
{
var obj = JsonConvert.DeserializeObject(result.ReturnValue, invocation.Method.ReturnType);
return(obj);
}
case ReceiveMessageState.Overtime:
throw new Exception("任务超时：" + result.ReturnValue);
case ReceiveMessageState.Error:
throw new Exception("任务出现了异常：" + result.ReturnValue);
case ReceiveMessageState.Other:
throw new Exception("不存在的任务");
default:
break;
}
throw new Exception("任务出现了异常：它没有按规矩走");
}
/// <summary>
/// 查询转发的请求
/// </summary>
/// <param name="info">请求信息</param>
/// <param name="session">查询到的session</param>
/// <param name="RRPCServers">服务列表</param>
/// <param name="ExcludeSessID">排除的ID</param>
/// <returns></returns>
public bool GetService(RequestExecutiveInformation info, List <RRPCServer> RRPCServers, string ExcludeSessID, out RRPCSession session)
{
ForwardingRequestEnity value;
if (ForwardingRequestunity.TryGetValue(info.FullName, out value) || ForwardingRequestunity.TryGetValue(info.AssemblyFullName, out value))
{
var rrpcServer = value.SelectRRPCServer(RRPCServers);
if (rrpcServer == null)
{
RRPCServer.RRPCServerList.FirstOrDefault().Value.Log($"转发请求失败{info.FullName} 无法找到指定的RRPCServer 没有找到转发该请求的服务配置", LoggerType.Error);
session = null;
return(false);;
}
var count = rrpcServer.GetAllSessions().Count();
if (count == 0)
{
rrpcServer.Log($"转发请求失败{info.FullName} 由于{rrpcServer.Config.Name} 连接客户端为0", LoggerType.Error);
session = null;
return(false);
}
return(SelectSession(info, rrpcServer, rrpcServer.GetAllSessions(), value, 0, ExcludeSessID, out session));
}
else
{
session = null;
return(false);
}
}
/// <summary>
/// 选择Session
/// </summary>
/// <param name="sessions">Session列表</param>
/// <param name="info">请求信息</param>
/// <param name="server">选中的Server服务</param>
/// <param name="session">匹配到的Session</param>
/// <param name="value">保存的配置</param>
/// <param name="ExcludeSessID">排除的ID</param>
/// <param name="state">0:优先SelectRRPCSession 1：执行指定sessionID选择 2：随机选择 其他：记录日志没有找到合适的session</param>
private bool SelectSession(RequestExecutiveInformation info, RRPCServer server, IEnumerable <RRPCSession> sessions, ForwardingRequestEnity value, int state, string ExcludeSessID, out RRPCSession session)
{
switch (state)
{
case 0:
session = value.SelectRRPCSession?.Invoke(sessions);
if (session == null)
{
return(SelectSession(info, server, sessions, value, state + 1, ExcludeSessID, out session));
}
return(true);
case 1:
session = sessions.FirstOrDefault(d => d.SessionID.Equals(info.RRPCSessionID?.ToString()));
if (session == null)
{
return(SelectSession(info, server, sessions, value, state + 1, ExcludeSessID, out session));
}
return(true);
case 2:
session = sessions.Where(d => !d.SessionID.Equals(ExcludeSessID)).OrderBy(d => Guid.NewGuid()).FirstOrDefault();
if (session == null)
{
return(SelectSession(info, server, sessions, value, state + 1, ExcludeSessID, out session));
}
return(true);
default:
server.Log("没有找到匹配的Session 本次请求作废" + JsonConvert.SerializeObject(info));
session = null;
return(false);
}
}
/// <summary>
/// 获取远程类
/// </summary>
/// <typeparam name="T">对象</typeparam>
/// <param name="session">需要通讯的对象</param>
/// <returns></returns>
public T GetServices <T>(RRPCSession session) where T : class
{
return(generator.CreateInterfaceProxyWithoutTarget <T>(new AOPRPCInterceptor((invocation) => {
return ImplementFunc(invocation, session);
})));
}
/// <summary>
/// 获取远程类
/// </summary>
/// <param name="session">需要通讯的对象</param>
/// <param name="serverType">需要实例化的类型</param>
/// <returns></returns>
public object GetServices(RRPCSession session, Type serverType)
{
return(generator.CreateInterfaceProxyWithoutTarget(serverType, new AOPRPCInterceptor((invocation) => {
return ImplementFunc(invocation, session);
})));
}
/// <summary>
/// 任务存储
/// </summary>
/// <param name="id">任务ID</param>
/// <param name="taskInfo">任务信息</param>
/// <param name="state">状态</param>
/// <param name="expirationTime">过期时间</param>
/// <param name="requestClient">请求对象</param>
/// <param name="giveClient">转发对象</param>
public ForwardingRequestEntity(Guid id, RequestExecutiveInformation taskInfo, ReceiveMessageState state, DateTime expirationTime, RRPCSession requestClient, RRPCSession giveClient)
{
this.ID = id;
this.TaskInfo = taskInfo;
this.State = state;
this.ExpirationTime = expirationTime;
this.RequestClient = requestClient;
this.GiveClient = giveClient;
}