mirror of
https://github.com/RRQM/TouchSocket.git
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424 lines
15 KiB
C#
424 lines
15 KiB
C#
//------------------------------------------------------------------------------
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// 此代码版权（除特别声明或在RRQMCore.XREF命名空间的代码）归作者本人若汝棋茗所有
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// 源代码使用协议遵循本仓库的开源协议及附加协议，若本仓库没有设置，则按MIT开源协议授权
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// CSDN博客：https://blog.csdn.net/qq_40374647
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// 哔哩哔哩视频：https://space.bilibili.com/94253567
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// Gitee源代码仓库：https://gitee.com/RRQM_Home
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// Github源代码仓库：https://github.com/RRQM
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// 交流QQ群：234762506
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// 感谢您的下载和使用
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//------------------------------------------------------------------------------
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//------------------------------------------------------------------------------
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using RRQMCore.ByteManager;
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using RRQMCore.Log;
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using RRQMCore.XREF.Newtonsoft.Json;
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using RRQMCore.XREF.Newtonsoft.Json.Linq;
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using RRQMSocket.Http;
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using System;
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using System.Text;
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namespace RRQMSocket.RPC.JsonRpc
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{
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/// <summary>
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/// JsonRpcParser解析器
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/// </summary>
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public class JsonRpcParser : TcpService<JsonRpcSocketClient>, IRPCParser
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{
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private ActionMap actionMap;
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private MethodMap methodMap;
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private JsonRpcProtocolType protocolType;
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/// <summary>
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/// 构造函数
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/// </summary>
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public JsonRpcParser()
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{
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this.actionMap = new ActionMap();
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}
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/// <summary>
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/// 函数键映射图
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/// </summary>
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public ActionMap ActionMap { get { return this.actionMap; } }
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private int maxPackageSize;
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/// <summary>
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/// 最大数据包长度
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/// </summary>
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public int MaxPackageSize
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{
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get { return maxPackageSize; }
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}
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/// <summary>
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/// 函数映射
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/// </summary>
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public MethodMap MethodMap
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{
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get { return methodMap; }
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}
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/// <summary>
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/// 协议类型
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/// </summary>
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public JsonRpcProtocolType ProtocolType
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{
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get { return protocolType; }
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}
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/// <summary>
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/// 所属服务器
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/// </summary>
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public RPCService RPCService { get; private set; }
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/// <summary>
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/// 执行函数
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/// </summary>
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public Action<IRPCParser, MethodInvoker, MethodInstance> RRQMExecuteMethod { get; private set; }
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/// <summary>
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/// 结束调用
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/// </summary>
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/// <param name="methodInvoker"></param>
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/// <param name="methodInstance"></param>
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public void OnEndInvoke(MethodInvoker methodInvoker, MethodInstance methodInstance)
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{
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ISocketClient socketClient = (ISocketClient)methodInvoker.Caller;
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error error = new error();
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switch (methodInvoker.Status)
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{
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case InvokeStatus.Success:
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{
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error = null;
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break;
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}
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case InvokeStatus.UnFound:
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{
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error.code = -32601;
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error.message = "函数未找到";
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break;
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}
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case InvokeStatus.UnEnable:
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{
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error.code = -32601;
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error.message = "函数已被禁用";
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break;
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}
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case InvokeStatus.Abort:
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{
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error.code = -32601;
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error.message = "函数已被中断执行";
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break;
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}
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case InvokeStatus.InvocationException:
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{
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error.code = -32603;
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error.message = "函数内部异常";
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break;
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}
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case InvokeStatus.Exception:
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{
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error.code = -32602;
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error.message = methodInvoker.StatusMessage;
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break;
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}
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}
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JsonRequestContext jsonRequestContext = (JsonRequestContext)methodInvoker.Flag;
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if (jsonRequestContext.needResponse)
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{
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ByteBlock byteBlock = this.BytePool.GetByteBlock(this.BufferLength);
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this.BuildResponseByteBlock(byteBlock, methodInvoker, jsonRequestContext.id, methodInvoker.ReturnParameter, error);
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if (socketClient.Online)
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{
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try
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{
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string s = Encoding.UTF8.GetString(byteBlock.ToArray());
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socketClient.Send(byteBlock);
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}
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catch (Exception ex)
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{
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this.Logger.Debug(LogType.Error, this, ex.Message);
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}
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finally
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{
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byteBlock.Dispose();
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}
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}
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}
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}
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/// <summary>
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/// 初始化
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/// </summary>
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/// <param name="provider"></param>
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/// <param name="methodInstances"></param>
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public void OnRegisterServer(IServerProvider provider, MethodInstance[] methodInstances)
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{
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foreach (var methodInstance in methodInstances)
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{
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foreach (var att in methodInstance.RPCAttributes)
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{
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if (att is JsonRpcAttribute attribute)
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{
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if (methodInstance.IsByRef)
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{
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throw new RRQMRPCException($"JsonRpc服务中不允许有out及ref关键字，服务：{methodInstance.Method.Name}");
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}
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string actionKey = string.IsNullOrEmpty(attribute.MethodKey) ? methodInstance.Method.Name : attribute.MethodKey;
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try
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{
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this.actionMap.Add(actionKey, methodInstance);
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}
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catch
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{
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throw new RRQMRPCException($"函数键为{actionKey}的方法已注册。");
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}
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}
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}
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}
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}
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/// <summary>
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/// 取消注册服务
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/// </summary>
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/// <param name="provider"></param>
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/// <param name="methodInstances"></param>
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public void OnUnregisterServer(IServerProvider provider, MethodInstance[] methodInstances)
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{
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}
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/// <summary>
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/// 设置执行委托
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/// </summary>
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/// <param name="executeMethod"></param>
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public void SetExecuteMethod(Action<IRPCParser, MethodInvoker, MethodInstance> executeMethod)
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{
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this.RRQMExecuteMethod = executeMethod;
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}
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/// <summary>
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/// 设置地图映射
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/// </summary>
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/// <param name="methodMap"></param>
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public void SetMethodMap(MethodMap methodMap)
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{
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this.methodMap = methodMap;
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}
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/// <summary>
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/// 设置服务
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/// </summary>
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/// <param name="service"></param>
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public void SetRPCService(RPCService service)
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{
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this.RPCService = service;
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}
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/// <summary>
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/// 构建请求内容
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/// </summary>
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/// <param name="jsonString">数据</param>
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/// <param name="methodInstance">调用服务实例</param>
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/// <param name="context"></param>
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/// <returns></returns>
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protected virtual void BuildRequestContext(string jsonString, out MethodInstance methodInstance, out JsonRequestContext context)
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{
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try
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{
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context = JsonConvert.DeserializeObject<JsonRequestContext>(jsonString);
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if (context.id != null)
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{
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context.needResponse = true;
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}
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}
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catch (Exception ex)
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{
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context = new JsonRequestContext();
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context.needResponse = true;
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throw ex;
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}
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if (this.actionMap.TryGet(context.method, out methodInstance))
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{
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if (context.@params == null)
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{
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if (methodInstance.ParameterNames.Length != 0)
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{
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throw new RRQMRPCException("调用参数计数不匹配");
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}
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return;
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}
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if (context.@params.GetType() != typeof(JArray))
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{
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JObject obj = (JObject)context.@params;
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context.parameters = new object[methodInstance.ParameterNames.Length];
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//内联
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for (int i = 0; i < methodInstance.ParameterNames.Length; i++)
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{
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if (obj.TryGetValue(methodInstance.ParameterNames[i], out JToken jToken))
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{
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Type type = methodInstance.ParameterTypes[i];
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context.parameters[i] = jToken.ToObject(type);
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}
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else if (methodInstance.Parameters[i].HasDefaultValue)
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{
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context.parameters[i] = methodInstance.Parameters[i].DefaultValue;
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}
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else
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{
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throw new RRQMRPCException("调用参数计数不匹配");
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}
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}
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}
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else
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{
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JArray array = (JArray)context.@params;
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if (array.Count != methodInstance.ParameterNames.Length)
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{
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throw new RRQMRPCException("调用参数计数不匹配");
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}
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context.parameters = new object[methodInstance.ParameterNames.Length];
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for (int i = 0; i < array.Count; i++)
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{
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context.parameters[i] = context.@params[i].ToObject(methodInstance.ParameterTypes[i]);
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}
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}
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}
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else
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{
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methodInstance = null;
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}
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}
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/// <summary>
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/// 构建响应数据
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/// </summary>
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/// <param name="responseByteBlock"></param>
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/// <param name="methodInvoker"></param>
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/// <param name="id"></param>
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/// <param name="result"></param>
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/// <param name="error"></param>
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protected virtual void BuildResponseByteBlock(ByteBlock responseByteBlock, MethodInvoker methodInvoker, string id, object result, error error)
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{
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JObject jobject = new JObject();
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if (error == null)
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{
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//成功
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jobject.Add("jsonrpc", JToken.FromObject("2.0"));
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jobject.Add("result", result == null ? null : JToken.FromObject(result));
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jobject.Add("id", id == null ? null : JToken.FromObject(id));
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}
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else
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{
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jobject.Add("jsonrpc", JToken.FromObject("2.0"));
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jobject.Add("error", JToken.FromObject(error));
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jobject.Add("id", id == null ? null : JToken.FromObject(id));
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}
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switch (this.protocolType)
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{
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case JsonRpcProtocolType.Tcp:
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{
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responseByteBlock.Write(Encoding.UTF8.GetBytes(jobject.ToString(Formatting.None)));
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break;
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}
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case JsonRpcProtocolType.Http:
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{
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HttpResponse httpResponse = new HttpResponse();
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httpResponse.FromJson(jobject.ToString(Formatting.None));
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httpResponse.Build(responseByteBlock);
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break;
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}
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}
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}
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/// <summary>
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/// 载入配置
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/// </summary>
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/// <param name="serviceConfig"></param>
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protected override void LoadConfig(ServiceConfig serviceConfig)
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{
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base.LoadConfig(serviceConfig);
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this.protocolType = (JsonRpcProtocolType)serviceConfig.GetValue(JsonRpcParserConfig.ProtocolTypeProperty);
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this.maxPackageSize = (int)serviceConfig.GetValue(JsonRpcParserConfig.MaxPackageSizeProperty);
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}
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/// <summary>
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/// 创建SocketCliect
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/// </summary>
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/// <param name="socketClient"></param>
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/// <param name="createOption"></param>
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protected override void OnCreateSocketCliect(JsonRpcSocketClient socketClient, CreateOption createOption)
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{
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if (createOption.NewCreate)
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{
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socketClient.OnReceived = this.OnReceived;
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}
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switch (this.protocolType)
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{
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case JsonRpcProtocolType.Tcp:
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socketClient.SetAdapter(new TerminatorDataHandlingAdapter(this.maxPackageSize, "\r\n"));
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break;
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case JsonRpcProtocolType.Http:
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socketClient.SetAdapter(new HttpDataHandlingAdapter(this.maxPackageSize, HttpType.Server));
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break;
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}
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}
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private void OnReceived(SimpleSocketClient socketClient, ByteBlock byteBlock, object obj)
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{
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MethodInvoker methodInvoker = new MethodInvoker();
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methodInvoker.Caller = socketClient;
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MethodInstance methodInstance = null;
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JsonRequestContext context = null;
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try
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{
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string jsonString = null;
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switch (this.protocolType)
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{
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case JsonRpcProtocolType.Tcp:
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{
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jsonString = Encoding.UTF8.GetString(byteBlock.Buffer, 0, byteBlock.Len);
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break;
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}
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case JsonRpcProtocolType.Http:
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{
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HttpRequest httpRequest = (HttpRequest)obj;
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jsonString = httpRequest.Body;
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methodInvoker.Flag = httpRequest;
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break;
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}
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}
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this.BuildRequestContext(jsonString, out methodInstance, out context);
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if (methodInstance == null)
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{
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methodInvoker.Status = InvokeStatus.UnFound;
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}
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else if (methodInstance.IsEnable)
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{
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methodInvoker.Parameters = context.parameters;
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}
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else
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{
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methodInvoker.Status = InvokeStatus.UnEnable;
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}
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}
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catch (Exception ex)
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{
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methodInvoker.Status = InvokeStatus.Exception;
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methodInvoker.StatusMessage = ex.Message;
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}
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methodInvoker.Flag = context;
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this.RRQMExecuteMethod.Invoke(this, methodInvoker, methodInstance);
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}
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}
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} |