完善事件框架
This commit is contained in:
Mattuy
+1
-1
@@ -2,7 +2,7 @@
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# Binaries for programs and plugins
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*.exe
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*.exe~
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*.dll
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#*.dll
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*.so
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*.dylib
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@@ -5,11 +5,16 @@ using System.Text;
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namespace Interact
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{
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//字符串常量
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public static class Strings
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//Json数据的字段访问字符串
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public static class AttrNames
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{
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public const string Token = "Token";
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public const string Operation = "Operation";
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public const string Error = "Error";
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public const string User = "User";
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public const string NickName = "NickName";
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public const string Motto = "Motto";
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public const string UGroup = "UGroup";
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}
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}
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+44
-3
@@ -6,21 +6,59 @@ using System.Net.Sockets;
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using System.Net;
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using System.Threading;
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using System.Collections.Concurrent;
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using Newtonsoft.Json.Linq;
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using System.Drawing;
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namespace Interact
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{
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//连接中断
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public delegate void DisconnectHandler(Exception ex);
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//通用请求结果处理
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public delegate void ResultHandler(ResultHead head);
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//消息到达事件处理
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public delegate void MessageHandler(Message msg);
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//登录反馈到达
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public delegate void LoginDoneHandler(JObject head, User user);
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public delegate void LoginDoneHandler(ResultHead head, User user);
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//获取用户列表结果处理
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public delegate void GetUserListDoneHandler(ResultHead head, User[] users);
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//获取用户头像结果处理
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public delegate void GetUserPhotoDoneHandler(ResultHead head, Image image);
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/// <summary>
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/// 与服务器进行数据通信，并向外部提供一系列通信接口
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/// </summary>
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public static partial class StormClient
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{
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//连接中断事件
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public static event DisconnectHandler OnDisconnect;
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//服务器异常消息处理事件
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public static event ResultHandler OnPanic;
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//服务器强制注销登陆事件
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public static event ResultHandler OnOffline;
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//消息到达事件
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public static event MessageHandler OnMessage;
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//发送消息处理完成反馈事件（仅在DoesSendMessageReturn为true时有效）
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public static event ResultHandler OnSendMessageDone;
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//更新用户信息结果处理事件
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public static event ResultHandler OnUpdateUserInfoDone;
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//登录结果处理事件
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public static event LoginDoneHandler OnLoginDone;
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//获取用户列表结果处理事件
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public static event GetUserListDoneHandler OnGetUserListDone;
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//获取用户头像结果处理事件
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public static event GetUserPhotoDoneHandler OnGetUserPhotoDoneHandler;
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//发送消息时是否要求服务器返回处理结果
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public static bool DoesSendMessageReturn
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{
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get
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{
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return doesSendMessageReturn != 0;
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}
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set
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{
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Interlocked.Exchange(ref StormClient.doesSendMessageReturn, value ? 1 : 0);
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}
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}
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//TCP客户端
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private static TcpClient tcpClient;
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@@ -30,12 +68,15 @@ namespace Interact
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private static Thread readLoopThread;
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//数据发送线程
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private static Thread sendLoopThread;
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//发送消息时是否要求服务器返回处理结果
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private static volatile int doesSendMessageReturn = 0;
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static StormClient()
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{
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tcpClient = new TcpClient();
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sendQueue = new BlockingCollection<Packet>();
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}
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/// <summary>
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/// 初始化客户端，连接服务器。如果成功则启动数据接收和发送线程
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/// </summary>
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@@ -62,7 +103,7 @@ namespace Interact
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}
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/// <summary>
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/// 登录。此操作为异步操作，完成后产生OnLoginDone事件。
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/// 登录。此操作为异步操作，服务器返回结果后产生OnLoginDone事件。
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/// </summary>
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/// <returns>成功将请求加入发送队列返回true，否则返回false。</returns>
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/// <param name="user">用户名</param>
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+30
-7
@@ -14,10 +14,10 @@ namespace Interact
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{
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string head = Encoding.UTF8.GetString(headData);
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JObject jsonObj = (JObject)JsonConvert.DeserializeObject(head);
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switch ((Operations)Enum.Parse(typeof(Operations), jsonObj[Strings.Operation].ToString()))
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switch ((Operations)Enum.Parse(typeof(Operations), jsonObj[AttrNames.Operation].ToString()))
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{
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case Operations.Login:
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HandleLoginResult(jsonObj, data);
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HandleLoginResult(GetResultHead(jsonObj), data);
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break;
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case Operations.Panic:
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case Operations.TransMessage:
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@@ -32,14 +32,37 @@ namespace Interact
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break;
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}
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}
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//处理登录反馈消息
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private static void HandleLoginResult(JObject head, byte[] data)
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//提取基本结果包头结构
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private static ResultHead GetResultHead(JObject head)
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{
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User user = null;
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if (head[Strings.Error].ToString() == "")
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user = JsonConvert.DeserializeObject<User>(Encoding.UTF8.GetString(data)) as User;
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ResultHead resultHead = new ResultHead
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{
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Token = head[AttrNames.Token].ToString(),
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Operation = head[AttrNames.Operation].ToString(),
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Error = head[AttrNames.Error].ToString()
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};
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return resultHead;
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}
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//处理登录反馈消息
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private static void HandleLoginResult(ResultHead head, byte[] data)
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{
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//发起登录完成事件
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if (head.Error != "")
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OnLoginDone?.Invoke(head, null);
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JObject dataObj = (JObject)JsonConvert.SerializeObject(data);
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User user = new User
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{
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Name = dataObj[AttrNames.User].ToString(),
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NickName = dataObj[AttrNames.NickName].ToString(),
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Motto = dataObj[AttrNames.Motto].ToString(),
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Group = (UserGroup)Enum.Parse(typeof(UserGroup), dataObj[AttrNames.UGroup].ToString())
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};
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OnLoginDone?.Invoke(head, user);
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}
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}
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}
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@@ -36,6 +36,7 @@
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</Reference>
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<Reference Include="System" />
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<Reference Include="System.Core" />
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<Reference Include="System.Drawing" />
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<Reference Include="System.Xml.Linq" />
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<Reference Include="System.Data.DataSetExtensions" />
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<Reference Include="Microsoft.CSharp" />
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@@ -55,7 +56,7 @@
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</Compile>
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<Compile Include="Read.cs" />
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<Compile Include="Send.cs" />
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<Compile Include="Strings.cs" />
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<Compile Include="AttrNames.cs" />
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<Compile Include="User.cs" />
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</ItemGroup>
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<ItemGroup>
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+27
-2
@@ -3,10 +3,26 @@ using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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//此文件定义Json序列化与反序列化时使用的数据结构，仅内部使用
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namespace Interact
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{
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#region 定义数据交互用到的数据结构（可能作为事件或回调函数的参数）
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//包头基本结构
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public class BaseHead
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{
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//请求ID，由发送方定义的随机字符串。如果接受方有返回数据应包含相同的Token
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public string Token;
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//操作类型，决定数据的其他内容
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public string Operation;
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}
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// 接受方返回的执行结果反馈包头，包含错误文本
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public class ResultHead : BaseHead
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{
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//错误文本，为空则执行成功
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public string Error;
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}
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#endregion
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#region 定义Json序列化与反序列化时使用的数据结构，仅内部使用
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//登录信息包头
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internal class JsonLogInfoHead : BaseHead
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{
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@@ -14,4 +30,13 @@ namespace Interact
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public string Pwd;
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}
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//用户信息
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internal class JsonUserInfo
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{
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public string User; //用户名
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public string NickName; //昵称
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public string Motto; //个性签名
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public string UGroup; //用户组
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}
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#endregion
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}
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+8
-19
@@ -6,30 +6,19 @@ using System.Threading.Tasks;
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namespace Interact
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{
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//定义一则用户消息
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//定义一则用户接收到的消息
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public class Message
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{
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public static UInt32 MaxHeadLength; //最大包头长度
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public static UInt32 MaxMessageLength; //最大消息长度
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/*保留
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public const UInt32 MaxHeadLength = 4096; //最大包头长度
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public const UInt32 MaxMessageLength = 0x6400000; //最大数据长度
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*/
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public DateTime When { get; } //服务器接收时间
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public User From; //发送者
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public string Content; //消息内容
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}
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//包头基本结构
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public class BaseHead
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{
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//请求ID，由发送方定义的随机字符串。如果接受方有返回数据应包含相同的Token
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public string Token;
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//操作类型，决定数据的其他内容
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public string Operation;
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}
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// 接受方返回的执行结果反馈包头，包含错误文本
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public class ResultHead : BaseHead
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{
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//错误文本，为空则执行成功
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public string Error;
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//将消息保存到数据库（保留）
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protected bool Save() { return false; }
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}
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//从服务器接收的原始数据封包
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Binary file not shown.
@@ -36,16 +36,17 @@ namespace StormChat
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}
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//登录结果处理
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private void LoginDone(JObject head, User user)
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private void LoginDone(ResultHead head, User user)
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{
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Action f = delegate ()
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{
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btnLogin.Enabled = true;
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if (head[Strings.Error].ToString() != "")
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if (head.Error != "")
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{
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MessageBox.Show("登录失败：" + head[Strings.Error].ToString());
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MessageBox.Show("登录失败：" + head.Error);
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return;
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}
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User.Me = user;
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_mainForm.Opacity = 1;
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_mainForm.Show();
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this.Close();
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@@ -44,8 +44,7 @@
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<ApplicationManifest>Properties\app.manifest</ApplicationManifest>
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</PropertyGroup>
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<ItemGroup>
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<Reference Include="Newtonsoft.Json, Version=12.0.0.0, Culture=neutral, PublicKeyToken=30ad4fe6b2a6aeed, processorArchitecture=MSIL">
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<SpecificVersion>False</SpecificVersion>
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<Reference Include="Newtonsoft.Json">
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<HintPath>..\Interact\Newtonsoft.Json.dll</HintPath>
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</Reference>
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<Reference Include="System" />
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