MemoryStream合理使用
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@ -9,7 +9,7 @@ https://go.microsoft.com/fwlink/?LinkID=208121.
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<PublishDir>bin\Release\net7.0\publish\win-x64\</PublishDir>
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<PublishProtocol>FileSystem</PublishProtocol>
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<_TargetId>Folder</_TargetId>
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<TargetFramework>net7.0</TargetFramework>
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<TargetFramework>net8.0</TargetFramework>
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<SelfContained>false</SelfContained>
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<RuntimeIdentifier>win-x64</RuntimeIdentifier>
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<PublishSingleFile>false</PublishSingleFile>
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@ -33,14 +33,14 @@ namespace HaoYueNet.ServerNetwork
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/// <summary>
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/// 数据缓存区
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/// </summary>
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public List<byte> Buffer { get; set; }
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//public List<byte> Buffer { get; set; }
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//public MemoryStream memoryStream { get; set; }
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public MemoryStream memoryStream { get; set; }
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public AsyncUserToken()
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{
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this.Buffer = new List<byte>();
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//this.memoryStream = new MemoryStream();
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//this.Buffer = new List<byte>();
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this.memoryStream = new MemoryStream();
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}
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/// <summary>
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/// 响应倒计时计数
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@ -378,34 +378,32 @@ namespace HaoYueNet.ServerNetwork
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if (e.BytesTransferred > 0 && e.SocketError == SocketError.Success)
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{
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//读取数据
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//读取数据
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byte[] data = new byte[e.BytesTransferred];
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Array.Copy(e.Buffer, e.Offset, data, 0, e.BytesTransferred);
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lock (token.Buffer)
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//lock(token.memoryStream)
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//byte[] data = new byte[e.BytesTransferred];
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//Array.Copy(e.Buffer, e.Offset, data, 0, e.BytesTransferred);
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//lock (token.Buffer)
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lock(token.memoryStream)
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{
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token.Buffer.AddRange(data);
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//token.memoryStream.Write(e.Buffer, e.Offset, e.BytesTransferred);
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//token.Buffer.AddRange(data);
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token.memoryStream.Write(e.Buffer, e.Offset, e.BytesTransferred);
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do
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{
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DataCallBackReady(token, data);
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//从数据池中移除这组数据
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lock (token.Buffer)
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{
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token.Buffer.Clear();
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}
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//DataCallBackReady(token, data);
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////从数据池中移除这组数据
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//lock (token.Buffer)
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//{
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// token.Buffer.Clear();
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//}
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//DataCallBackReady(token, token.memoryStream.ToArray());
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////流复用的方式 不用重新new申请
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//token.memoryStream.Position = 0;
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//token.memoryStream.SetLength(0);
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DataCallBackReady(token, token.memoryStream.ToArray());
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//流复用的方式 不用重新new申请
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token.memoryStream.Position = 0;
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token.memoryStream.SetLength(0);
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//这里API处理完后,并没有返回结果,当然结果是要返回的,却不是在这里, 这里的代码只管接收.
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//若要返回结果,可在API处理中调用此类对象的SendMessage方法,统一打包发送.不要被微软的示例给迷惑了.
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//} while (token.memoryStream.Length > 0);
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} while (token.Buffer.Count > 4);
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} while (token.memoryStream.Length > 0);
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//} while (token.Buffer.Count > 4);
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}
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//继续接收. 为什么要这么写,请看Socket.ReceiveAsync方法的说明
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@ -1,4 +1,5 @@
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//using HunterProtobufCore;
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using System.IO;
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using System.Net;
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using System.Net.Sockets;
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using static HaoYueNet.ServerNetwork.BaseData;
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@ -378,67 +379,71 @@ namespace HaoYueNet.ServerNetwork
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if (e.BytesTransferred > 0 && e.SocketError == SocketError.Success)
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{
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//读取数据
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byte[] data = new byte[e.BytesTransferred];
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Array.Copy(e.Buffer, e.Offset, data, 0, e.BytesTransferred);
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lock (token.Buffer)
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//lock(token.memoryStream)
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//byte[] data = new byte[e.BytesTransferred];
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//Array.Copy(e.Buffer, e.Offset, data, 0, e.BytesTransferred);
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//lock (token.Buffer)
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lock(token.memoryStream)
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{
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token.Buffer.AddRange(data);
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//token.memoryStream.Write(e.Buffer, e.Offset, e.BytesTransferred);
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//token.Buffer.AddRange(data);
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token.memoryStream.Write(e.Buffer, e.Offset, e.BytesTransferred);
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do
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{
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//如果包头不完整
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if (token.Buffer.Count < 4)
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//if (token.memoryStream.Length < 4)
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//if (token.Buffer.Count < 4)
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if (token.memoryStream.Length < 4)
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break;
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//判断包的长度
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byte[] lenBytes = token.Buffer.GetRange(0, 4).ToArray();
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int packageLen = BitConverter.ToInt32(lenBytes, 0) - 4;
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if (packageLen > token.Buffer.Count - 4)
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{ //长度不够时,退出循环,让程序继续接收
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break;
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}
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//long FristBeginPos = token.memoryStream.Position;
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//byte[] lenBytes = new byte[4];
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//token.memoryStream.Seek(0, SeekOrigin.Begin);
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//token.memoryStream.Read(lenBytes, 0, 4);
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////判断包的长度
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//byte[] lenBytes = token.Buffer.GetRange(0, 4).ToArray();
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//int packageLen = BitConverter.ToInt32(lenBytes, 0) - 4;
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//if (packageLen > token.memoryStream.Length - 4)
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//if (packageLen > token.Buffer.Count - 4)
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//{ //长度不够时,退出循环,让程序继续接收
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// break;
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//}
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//包够长时,则提取出来,交给后面的程序去处理
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byte[] rev = token.Buffer.GetRange(4, packageLen).ToArray();
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//byte[] rev = new byte[packageLen];
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//token.memoryStream.Seek(4, SeekOrigin.Begin);
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//token.memoryStream.Read(rev, 0, packageLen);
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//从数据池中移除这组数据
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lock (token.Buffer)
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long FristBeginPos = token.memoryStream.Position;
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byte[] lenBytes = new byte[4];
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token.memoryStream.Seek(0, SeekOrigin.Begin);
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token.memoryStream.Read(lenBytes, 0, 4);
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int packageLen = BitConverter.ToInt32(lenBytes, 0) - 4;
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if (packageLen > token.memoryStream.Length - 4)
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{
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token.Buffer.RemoveRange(0, packageLen + 4);
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token.memoryStream.Seek(FristBeginPos, SeekOrigin.Begin);
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//长度不够时,退出循环,让程序继续接收
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break;
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}
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//token.memoryStream.Seek(FristBeginPos, SeekOrigin.Begin);
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////从数据池中移除这组数据
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//lock (token.memoryStream)
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////包够长时,则提取出来,交给后面的程序去处理
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//byte[] rev = token.Buffer.GetRange(4, packageLen).ToArray();
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byte[] rev = new byte[packageLen];
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token.memoryStream.Seek(4, SeekOrigin.Begin);
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token.memoryStream.Read(rev, 0, packageLen);
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//从数据池中移除这组数据
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//lock (token.Buffer)
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//{
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// int numberOfBytesToRemove = packageLen + 4;
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// byte[] buf = token.memoryStream.GetBuffer();
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// Buffer.BlockCopy(buf, numberOfBytesToRemove, buf, 0, (int)token.memoryStream.Length - numberOfBytesToRemove);
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// token.memoryStream.SetLength(token.memoryStream.Length - numberOfBytesToRemove);
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// token.Buffer.RemoveRange(0, packageLen + 4);
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//}
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token.memoryStream.Seek(FristBeginPos, SeekOrigin.Begin);
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//从数据池中移除这组数据
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lock (token.memoryStream)
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{
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//token.memoryStream.Position = 0;
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//token.memoryStream.SetLength(0);
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int numberOfBytesToRemove = packageLen + 4;
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byte[] buf = token.memoryStream.GetBuffer();
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Buffer.BlockCopy(buf, numberOfBytesToRemove, buf, 0, (int)token.memoryStream.Length - numberOfBytesToRemove);
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token.memoryStream.SetLength(token.memoryStream.Length - numberOfBytesToRemove);
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}
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DataCallBackReady(token, rev);
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//这里API处理完后,并没有返回结果,当然结果是要返回的,却不是在这里, 这里的代码只管接收.
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//若要返回结果,可在API处理中调用此类对象的SendMessage方法,统一打包发送.不要被微软的示例给迷惑了.
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} while (token.Buffer.Count > 4);
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//} while (token.memoryStream.Length > 4);
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//} while (token.Buffer.Count > 4);
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} while (token.memoryStream.Length > 4);
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}
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//继续接收. 为什么要这么写,请看Socket.ReceiveAsync方法的说明
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