C实现网络通信共享库NetShare的使用示例

目录

• 前言
• NetShare：DataPacket（通用数据包）
• NetShare：ClientDataPacket（客户端数据包）
• NetShare：ServerDataPacket（服务器数据包）
• NetShare：PCDataPacket（私聊频道客户端数据包）
• NetShare：PSDataPacket（私聊频道服务器数据包）

前言

网络通信共享库NetShare用于保证客户端与服务器通信数据包的规范和统一，客户端与服务器共同使用本库，提升数据包序列化和反序列化的准确性和安全性，并且用于满足不同的通信数据需求。

NetShare：DataPacket（通用数据包）

using System; using System.IO; using System.Runtime.Serialization; namespace NetShare { /// <summary> /// 通用数据包 /// </summary> [KnownType(typeof(PCDataPacket)), KnownType(typeof(PSDataPacket)), KnownType(typeof(ServerDataPacket))] [DataContract] public class DataPacket { /// <summary> /// 当前数据发送端的IPEndPoint字符串内容(ip地址:端口号) /// </summary> [DataMember] public string mLocalEndPointStr; /// <summary> /// 当前数据发送端发送的其它内容 /// </summary> [DataMember] public string mContent; /// <summary> /// 将当前数据包实例转换为字节数组 /// </summary> /// <returns>字节数组</returns> public virtual byte[] ToBytes() { return Array.Empty<byte>(); } /// <summary> /// 将指定的字节数组转换为DataPacket(数据包)对象 /// </summary> /// <param name="bytes">指定的字节数组</param> /// <param name="type">DataPacket派生类类型</param> /// <returns>DataPacket(数据包)对象或null</returns> public static DataPacket ToObject(byte[] bytes, Type type) { if (bytes?.Length > 0 && type != null && type.IsAssignableFrom(typeof(DataPacket))) { using (MemoryStream ms = new MemoryStream(bytes)) { DataContractSerializer serializer = new DataContractSerializer(type); object obj = serializer.ReadObject(ms); if (obj != null && obj.GetType().Equals(type)) return (DataPacket)obj; }; } return null; } /// <summary> /// 将指定的字节数组转换为DataPacket派生类(数据包)对象 /// </summary> /// <typeparam name="T">DataPacket派生类类型</typeparam> /// <param name="bytes">指定的字节数组</param> /// <returns>DataPacket派生类(数据包)对象或null</returns> public static T ToObject<T>(byte[] bytes) where T : DataPacket { if (bytes?.Length > 0) { using (MemoryStream ms = new MemoryStream(bytes)) { DataContractSerializer serializer = new DataContractSerializer(typeof(T)); object obj = serializer.ReadObject(ms); if (obj != null && obj is T t) return t; }; } return null; } } }

NetShare：ClientDataPacket（客户端数据包）

using System.Runtime.Serialization; using System.IO; namespace NetShare { /// <summary> /// 客户端数据包 /// </summary> [DataContract] public class ClientDataPacket : DataPacket { /// <summary> /// 当前客户端的名称 /// </summary> [DataMember] public string mClientName; /// <summary> /// 构造函数 /// </summary> public ClientDataPacket() { mLocalEndPointStr = string.Empty; mContent = string.Empty; mClientName = string.Empty; } /// <summary> /// 将客户端数据包实例转换为字节数组 /// </summary> /// <returns>字节数组</returns> public override byte[] ToBytes() { using (MemoryStream ms = new MemoryStream()) { DataContractSerializer serializer = new DataContractSerializer(typeof(ClientDataPacket)); serializer.WriteObject(ms, this); return ms.ToArray(); } } /// <summary> /// 客户端数据包的字符串内容 /// </summary> /// <returns>字符串内容</returns> public override string ToString() { return $"[LocalEndPointStr:{mLocalEndPointStr},ClientName:{mClientName},Content:{mContent}]"; } } }

NetShare：ServerDataPacket（服务器数据包）

using System.IO; using System.Runtime.Serialization; namespace NetShare { /// <summary> /// 服务端数据包 /// </summary> [DataContract] public class ServerDataPacket : DataPacket { /// <summary> /// 构造函数 /// </summary> public ServerDataPacket() { mLocalEndPointStr = string.Empty; mContent = string.Empty; } /// <summary> /// 将服务端数据包实例转换为字节数组 /// </summary> /// <returns>字节数组</returns> public override byte[] ToBytes() { using (MemoryStream ms = new MemoryStream()) { DataContractSerializer serializer = new DataContractSerializer(typeof(ServerDataPacket)); serializer.WriteObject(ms, this); return ms.ToArray(); } } /// <summary> /// 服务端数据包的字符串内容 /// </summary> /// <returns>字符串内容</returns> public override string ToString() { return $"[LocalEndPointStr:{mLocalEndPointStr},Content:{mContent}]"; } } }

NetShare：PCDataPacket（私聊频道客户端数据包）

using System.IO; using System.Runtime.Serialization; namespace NetShare { /// <summary> /// 私聊频道客户端数据包 /// </summary> [DataContract] public class PCDataPacket : ClientDataPacket { /// <summary> /// 目标客户端的名称 /// </summary> [DataMember] public string mDestinationClientName; /// <summary> /// 构造函数 /// </summary> public PCDataPacket() { mDestinationClientName = string.Empty; } /// <summary> /// 将私聊频道客户端数据包实例转换为字节数组 /// </summary> /// <returns>字节数组</returns> public override byte[] ToBytes() { using (MemoryStream ms = new MemoryStream()) { DataContractSerializer serializer = new DataContractSerializer(typeof(PCDataPacket)); serializer.WriteObject(ms, this); return ms.ToArray(); } } } }

NetShare：PSDataPacket（私聊频道服务器数据包）

using System; using System.IO; using System.Runtime.Serialization; namespace NetShare { /// <summary> /// 私聊频道服务端数据包 /// </summary> [DataContract] public class PSDataPacket : ServerDataPacket { /// <summary> /// 已与服务器进行连接的客户端名称合集 /// </summary> [DataMember] public string[] mClientNames; /// <summary> /// 构造函数 /// </summary> public PSDataPacket() { mClientNames = Array.Empty<string>(); } /// <summary> /// 将私聊频道服务端数据包实例转换为字节数组 /// </summary> /// <returns>字节数组</returns> public override byte[] ToBytes() { using (MemoryStream ms = new MemoryStream()) { DataContractSerializer serializer = new DataContractSerializer(typeof(PSDataPacket)); serializer.WriteObject(ms, this); return ms.ToArray(); } } } }

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